diff options
147 files changed, 6697 insertions, 2457 deletions
diff --git a/Documentation/devicetree/bindings/arm/amlogic/amlogic,meson-gx-ao-secure.yaml b/Documentation/devicetree/bindings/arm/amlogic/amlogic,meson-gx-ao-secure.yaml index 7dff32f373cb..b4f6695a6015 100644 --- a/Documentation/devicetree/bindings/arm/amlogic/amlogic,meson-gx-ao-secure.yaml +++ b/Documentation/devicetree/bindings/arm/amlogic/amlogic,meson-gx-ao-secure.yaml @@ -25,10 +25,18 @@ select: properties: compatible: - items: - - const: amlogic,meson-gx-ao-secure - - const: syscon - + oneOf: + - items: + - const: amlogic,meson-gx-ao-secure + - const: syscon + - items: + - enum: + - amlogic,a4-ao-secure + - amlogic,c3-ao-secure + - amlogic,s4-ao-secure + - amlogic,t7-ao-secure + - const: amlogic,meson-gx-ao-secure + - const: syscon reg: maxItems: 1 diff --git a/Documentation/devicetree/bindings/arm/atmel-sysregs.txt b/Documentation/devicetree/bindings/arm/atmel-sysregs.txt index 7374beb5a613..76e2b7978250 100644 --- a/Documentation/devicetree/bindings/arm/atmel-sysregs.txt +++ b/Documentation/devicetree/bindings/arm/atmel-sysregs.txt @@ -11,7 +11,8 @@ PIT Timer required properties: shared across all System Controller members. PIT64B Timer required properties: -- compatible: Should be "microchip,sam9x60-pit64b" +- compatible: Should be "microchip,sam9x60-pit64b" or + "microchip,sam9x7-pit64b", "microchip,sam9x60-pit64b" - reg: Should contain registers location and length - interrupts: Should contain interrupt for PIT64B timer - clocks: Should contain the available clock sources for PIT64B timer. @@ -31,7 +32,8 @@ RAMC SDRAM/DDR Controller required properties: "atmel,at91sam9g45-ddramc", "atmel,sama5d3-ddramc", "microchip,sam9x60-ddramc", - "microchip,sama7g5-uddrc" + "microchip,sama7g5-uddrc", + "microchip,sam9x7-ddramc", "atmel,sama5d3-ddramc". - reg: Should contain registers location and length Examples: diff --git a/Documentation/devicetree/bindings/arm/rockchip/pmu.yaml b/Documentation/devicetree/bindings/arm/rockchip/pmu.yaml index b79c81cd9f0e..932f981265cc 100644 --- a/Documentation/devicetree/bindings/arm/rockchip/pmu.yaml +++ b/Documentation/devicetree/bindings/arm/rockchip/pmu.yaml @@ -26,6 +26,7 @@ select: - rockchip,rk3368-pmu - rockchip,rk3399-pmu - rockchip,rk3568-pmu + - rockchip,rk3576-pmu - rockchip,rk3588-pmu - rockchip,rv1126-pmu @@ -43,6 +44,7 @@ properties: - rockchip,rk3368-pmu - rockchip,rk3399-pmu - rockchip,rk3568-pmu + - rockchip,rk3576-pmu - rockchip,rk3588-pmu - rockchip,rv1126-pmu - const: syscon diff --git a/Documentation/devicetree/bindings/clock/qcom,rpmcc.yaml b/Documentation/devicetree/bindings/clock/qcom,rpmcc.yaml index 3665dd30604a..02fcffe93f1a 100644 --- a/Documentation/devicetree/bindings/clock/qcom,rpmcc.yaml +++ b/Documentation/devicetree/bindings/clock/qcom,rpmcc.yaml @@ -139,7 +139,7 @@ examples: - | rpm { rpm-requests { - compatible = "qcom,rpm-msm8916"; + compatible = "qcom,rpm-msm8916", "qcom,smd-rpm"; qcom,smd-channels = "rpm_requests"; clock-controller { diff --git a/Documentation/devicetree/bindings/firmware/arm,scmi.yaml b/Documentation/devicetree/bindings/firmware/arm,scmi.yaml index 4d823f3b1f0e..54d7d11bfed4 100644 --- a/Documentation/devicetree/bindings/firmware/arm,scmi.yaml +++ b/Documentation/devicetree/bindings/firmware/arm,scmi.yaml @@ -22,6 +22,9 @@ description: | [0] https://developer.arm.com/documentation/den0056/latest +anyOf: + - $ref: /schemas/firmware/nxp,imx95-scmi.yaml + properties: $nodename: const: scmi @@ -121,6 +124,13 @@ properties: atomic mode of operation, even if requested. default: 0 + max-rx-timeout-ms: + description: + An optional time value, expressed in milliseconds, representing the + transport maximum timeout value for the receive channel. The value should + be a non-zero value if set. + minimum: 1 + arm,smc-id: $ref: /schemas/types.yaml#/definitions/uint32 description: @@ -145,6 +155,14 @@ properties: required: - '#power-domain-cells' + protocol@12: + $ref: '#/$defs/protocol-node' + unevaluatedProperties: false + + properties: + reg: + const: 0x12 + protocol@13: $ref: '#/$defs/protocol-node' unevaluatedProperties: false @@ -284,7 +302,7 @@ properties: required: - reg -additionalProperties: false +unevaluatedProperties: false $defs: protocol-node: diff --git a/Documentation/devicetree/bindings/firmware/nxp,imx95-scmi.yaml b/Documentation/devicetree/bindings/firmware/nxp,imx95-scmi.yaml new file mode 100644 index 000000000000..1a95010a546b --- /dev/null +++ b/Documentation/devicetree/bindings/firmware/nxp,imx95-scmi.yaml @@ -0,0 +1,43 @@ +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) +# Copyright 2024 NXP +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/firmware/nxp,imx95-scmi.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: i.MX95 System Control and Management Interface(SCMI) Vendor Protocols Extension + +maintainers: + - Peng Fan <peng.fan@nxp.com> + +properties: + protocol@81: + $ref: '/schemas/firmware/arm,scmi.yaml#/$defs/protocol-node' + unevaluatedProperties: false + + properties: + reg: + const: 0x81 + + protocol@84: + $ref: '/schemas/firmware/arm,scmi.yaml#/$defs/protocol-node' + unevaluatedProperties: false + + properties: + reg: + const: 0x84 + + nxp,ctrl-ids: + description: + Each entry consists of 2 integers, represents the ctrl id and the value + items: + items: + - description: the ctrl id index + enum: [0, 1, 2, 3, 4, 5, 6, 7, 0x8000, 0x8001, 0x8002, 0x8003, + 0x8004, 0x8005, 0x8006, 0x8007] + - description: the value assigned to the ctrl id + minItems: 1 + maxItems: 16 + $ref: /schemas/types.yaml#/definitions/uint32-matrix + +additionalProperties: true diff --git a/Documentation/devicetree/bindings/media/s5p-mfc.txt b/Documentation/devicetree/bindings/media/s5p-mfc.txt deleted file mode 100644 index e69de29bb2d1..000000000000 --- a/Documentation/devicetree/bindings/media/s5p-mfc.txt +++ /dev/null diff --git a/Documentation/devicetree/bindings/memory-controllers/fsl/fsl,imx-weim.yaml b/Documentation/devicetree/bindings/memory-controllers/fsl/fsl,imx-weim.yaml index 3f40ca5b13f6..ce4ec94a561c 100644 --- a/Documentation/devicetree/bindings/memory-controllers/fsl/fsl,imx-weim.yaml +++ b/Documentation/devicetree/bindings/memory-controllers/fsl/fsl,imx-weim.yaml @@ -134,9 +134,8 @@ allOf: properties: fsl,weim-cs-timing: items: - items: - - description: CSxU - - description: CSxL + - description: CSxU + - description: CSxL - if: properties: compatible: @@ -151,10 +150,9 @@ allOf: properties: fsl,weim-cs-timing: items: - items: - - description: CSCRxU - - description: CSCRxL - - description: CSCRxA + - description: CSCRxU + - description: CSCRxL + - description: CSCRxA - if: properties: compatible: @@ -171,13 +169,12 @@ allOf: properties: fsl,weim-cs-timing: items: - items: - - description: CSxGCR1 - - description: CSxGCR2 - - description: CSxRCR1 - - description: CSxRCR2 - - description: CSxWCR1 - - description: CSxWCR2 + - description: CSxGCR1 + - description: CSxGCR2 + - description: CSxRCR1 + - description: CSxRCR2 + - description: CSxWCR1 + - description: CSxWCR2 additionalProperties: false diff --git a/Documentation/devicetree/bindings/memory-controllers/renesas,rpc-if.yaml b/Documentation/devicetree/bindings/memory-controllers/renesas,rpc-if.yaml index d7745dd53b51..4f4bc953e31a 100644 --- a/Documentation/devicetree/bindings/memory-controllers/renesas,rpc-if.yaml +++ b/Documentation/devicetree/bindings/memory-controllers/renesas,rpc-if.yaml @@ -67,7 +67,9 @@ properties: - const: dirmap - const: wbuf - clocks: true + clocks: + minItems: 1 + maxItems: 2 interrupts: maxItems: 1 diff --git a/Documentation/devicetree/bindings/power/rockchip-io-domain.yaml b/Documentation/devicetree/bindings/power/rockchip-io-domain.yaml index d71fc72d4464..c434277218ea 100644 --- a/Documentation/devicetree/bindings/power/rockchip-io-domain.yaml +++ b/Documentation/devicetree/bindings/power/rockchip-io-domain.yaml @@ -50,6 +50,7 @@ properties: - rockchip,rk3188-io-voltage-domain - rockchip,rk3228-io-voltage-domain - rockchip,rk3288-io-voltage-domain + - rockchip,rk3308-io-voltage-domain - rockchip,rk3328-io-voltage-domain - rockchip,rk3368-io-voltage-domain - rockchip,rk3368-pmu-io-voltage-domain @@ -71,6 +72,7 @@ allOf: - $ref: "#/$defs/rk3188" - $ref: "#/$defs/rk3228" - $ref: "#/$defs/rk3288" + - $ref: "#/$defs/rk3308" - $ref: "#/$defs/rk3328" - $ref: "#/$defs/rk3368" - $ref: "#/$defs/rk3368-pmu" @@ -194,6 +196,28 @@ $defs: wifi-supply: description: The supply connected to APIO3_VDD. Also known as SDIO0. + rk3308: + if: + properties: + compatible: + contains: + const: rockchip,rk3308-io-voltage-domain + + then: + properties: + vccio0-supply: + description: The supply connected to VCCIO0. + vccio1-supply: + description: The supply connected to VCCIO1. + vccio2-supply: + description: The supply connected to VCCIO2. + vccio3-supply: + description: The supply connected to VCCIO3. + vccio4-supply: + description: The supply connected to VCCIO4. + vccio5-supply: + description: The supply connected to VCCIO5. + rk3328: if: properties: diff --git a/Documentation/devicetree/bindings/remoteproc/qcom,glink-rpm-edge.yaml b/Documentation/devicetree/bindings/remoteproc/qcom,glink-rpm-edge.yaml index 3766d4513b37..c54234247ab3 100644 --- a/Documentation/devicetree/bindings/remoteproc/qcom,glink-rpm-edge.yaml +++ b/Documentation/devicetree/bindings/remoteproc/qcom,glink-rpm-edge.yaml @@ -90,7 +90,7 @@ examples: qcom,rpm-msg-ram = <&rpm_msg_ram>; rpm-requests { - compatible = "qcom,rpm-msm8996"; + compatible = "qcom,rpm-msm8996", "qcom,glink-smd-rpm"; qcom,glink-channels = "rpm_requests"; /* ... */ diff --git a/Documentation/devicetree/bindings/remoteproc/qcom,rpm-proc.yaml b/Documentation/devicetree/bindings/remoteproc/qcom,rpm-proc.yaml index 61cf4fe19ca5..540bdfca53d9 100644 --- a/Documentation/devicetree/bindings/remoteproc/qcom,rpm-proc.yaml +++ b/Documentation/devicetree/bindings/remoteproc/qcom,rpm-proc.yaml @@ -142,7 +142,7 @@ examples: qcom,smd-edge = <15>; rpm-requests { - compatible = "qcom,rpm-msm8916"; + compatible = "qcom,rpm-msm8916", "qcom,smd-rpm"; qcom,smd-channels = "rpm_requests"; /* ... */ }; @@ -163,7 +163,7 @@ examples: mboxes = <&apcs_glb 0>; rpm-requests { - compatible = "qcom,rpm-qcm2290"; + compatible = "qcom,rpm-qcm2290", "qcom,glink-smd-rpm"; qcom,glink-channels = "rpm_requests"; /* ... */ }; diff --git a/Documentation/devicetree/bindings/reset/amlogic,meson-reset.yaml b/Documentation/devicetree/bindings/reset/amlogic,meson-reset.yaml index f0c6c0df0ce3..695ef38a7bb3 100644 --- a/Documentation/devicetree/bindings/reset/amlogic,meson-reset.yaml +++ b/Documentation/devicetree/bindings/reset/amlogic,meson-reset.yaml @@ -19,6 +19,7 @@ properties: - amlogic,meson-a1-reset # Reset Controller on A1 and compatible SoCs - amlogic,meson-s4-reset # Reset Controller on S4 and compatible SoCs - amlogic,c3-reset # Reset Controller on C3 and compatible SoCs + - amlogic,t7-reset reg: maxItems: 1 diff --git a/Documentation/devicetree/bindings/reset/mobileye,eyeq5-reset.yaml b/Documentation/devicetree/bindings/reset/mobileye,eyeq5-reset.yaml deleted file mode 100644 index 062b4518347b..000000000000 --- a/Documentation/devicetree/bindings/reset/mobileye,eyeq5-reset.yaml +++ /dev/null @@ -1,43 +0,0 @@ -# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) -%YAML 1.2 ---- -$id: http://devicetree.org/schemas/reset/mobileye,eyeq5-reset.yaml# -$schema: http://devicetree.org/meta-schemas/core.yaml# - -title: Mobileye EyeQ5 reset controller - -description: - The EyeQ5 reset driver handles three reset domains. Its registers live in a - shared region called OLB. - -maintainers: - - Grégory Clement <gregory.clement@bootlin.com> - - Théo Lebrun <theo.lebrun@bootlin.com> - - Vladimir Kondratiev <vladimir.kondratiev@mobileye.com> - -properties: - compatible: - const: mobileye,eyeq5-reset - - reg: - maxItems: 3 - - reg-names: - items: - - const: d0 - - const: d1 - - const: d2 - - "#reset-cells": - const: 2 - description: - The first cell is the domain (0 to 2 inclusive) and the second one is the - reset index inside that domain. - -required: - - compatible - - reg - - reg-names - - "#reset-cells" - -additionalProperties: false diff --git a/Documentation/devicetree/bindings/reset/socionext,uniphier-glue-reset.yaml b/Documentation/devicetree/bindings/reset/socionext,uniphier-glue-reset.yaml index fa253c518d79..babc563ae61e 100644 --- a/Documentation/devicetree/bindings/reset/socionext,uniphier-glue-reset.yaml +++ b/Documentation/devicetree/bindings/reset/socionext,uniphier-glue-reset.yaml @@ -38,13 +38,17 @@ properties: minItems: 1 maxItems: 2 - clock-names: true + clock-names: + minItems: 1 + maxItems: 2 resets: minItems: 1 maxItems: 2 - reset-names: true + reset-names: + minItems: 1 + maxItems: 2 allOf: - if: diff --git a/Documentation/devicetree/bindings/soc/fsl/cpm_qe/fsl,qe-tsa.yaml b/Documentation/devicetree/bindings/soc/fsl/cpm_qe/fsl,qe-tsa.yaml new file mode 100644 index 000000000000..3b50e0a003ca --- /dev/null +++ b/Documentation/devicetree/bindings/soc/fsl/cpm_qe/fsl,qe-tsa.yaml @@ -0,0 +1,210 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/soc/fsl/cpm_qe/fsl,qe-tsa.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: PowerQUICC QE Time-slot assigner (TSA) controller + +maintainers: + - Herve Codina <herve.codina@bootlin.com> + +description: + The TSA is the time-slot assigner that can be found on some PowerQUICC SoC. + Its purpose is to route some TDM time-slots to other internal serial + controllers. + +properties: + compatible: + items: + - enum: + - fsl,mpc8321-tsa + - const: fsl,qe-tsa + + reg: + items: + - description: SI (Serial Interface) register base + - description: SI RAM base + + reg-names: + items: + - const: si_regs + - const: si_ram + + '#address-cells': + const: 1 + + '#size-cells': + const: 0 + +patternProperties: + '^tdm@[0-3]$': + description: + The TDM managed by this controller + type: object + + additionalProperties: false + + properties: + reg: + minimum: 0 + maximum: 3 + description: + The TDM number for this TDM, 0 for TDMa, 1 for TDMb, 2 for TDMc and 3 + for TDMd. + + fsl,common-rxtx-pins: + $ref: /schemas/types.yaml#/definitions/flag + description: + The hardware can use four dedicated pins for Tx clock, Tx sync, Rx + clock and Rx sync or use only two pins, Tx/Rx clock and Tx/Rx sync. + Without the 'fsl,common-rxtx-pins' property, the four pins are used. + With the 'fsl,common-rxtx-pins' property, two pins are used. + + clocks: + minItems: 2 + items: + - description: Receive sync clock + - description: Receive data clock + - description: Transmit sync clock + - description: Transmit data clock + + clock-names: + minItems: 2 + items: + - const: rsync + - const: rclk + - const: tsync + - const: tclk + + fsl,rx-frame-sync-delay-bits: + enum: [0, 1, 2, 3] + default: 0 + description: | + Receive frame sync delay in number of bits. + Indicates the delay between the Rx sync and the first bit of the Rx + frame. + + fsl,tx-frame-sync-delay-bits: + enum: [0, 1, 2, 3] + default: 0 + description: | + Transmit frame sync delay in number of bits. + Indicates the delay between the Tx sync and the first bit of the Tx + frame. + + fsl,clock-falling-edge: + $ref: /schemas/types.yaml#/definitions/flag + description: + Data is sent on falling edge of the clock (and received on the rising + edge). If not present, data is sent on the rising edge (and received + on the falling edge). + + fsl,fsync-rising-edge: + $ref: /schemas/types.yaml#/definitions/flag + description: + Frame sync pulses are sampled with the rising edge of the channel + clock. If not present, pulses are sampled with the falling edge. + + fsl,fsync-active-low: + $ref: /schemas/types.yaml#/definitions/flag + description: + Frame sync signals are active on low logic level. + If not present, sync signals are active on high level. + + fsl,double-speed-clock: + $ref: /schemas/types.yaml#/definitions/flag + description: + The channel clock is twice the data rate. + + patternProperties: + '^fsl,[rt]x-ts-routes$': + $ref: /schemas/types.yaml#/definitions/uint32-matrix + description: | + A list of tuple that indicates the Tx or Rx time-slots routes. + items: + items: + - description: + The number of time-slots + minimum: 1 + maximum: 64 + - description: | + The source (Tx) or destination (Rx) serial interface + (dt-bindings/soc/qe-fsl,tsa.h defines these values) + - 0: No destination + - 1: UCC1 + - 2: UCC2 + - 3: UCC3 + - 4: UCC4 + - 5: UCC5 + enum: [0, 1, 2, 3, 4, 5] + minItems: 1 + maxItems: 64 + + allOf: + # If fsl,common-rxtx-pins is present, only 2 clocks are needed. + # Else, the 4 clocks must be present. + - if: + required: + - fsl,common-rxtx-pins + then: + properties: + clocks: + maxItems: 2 + clock-names: + maxItems: 2 + else: + properties: + clocks: + minItems: 4 + clock-names: + minItems: 4 + + required: + - reg + - clocks + - clock-names + +required: + - compatible + - reg + - reg-names + - '#address-cells' + - '#size-cells' + +additionalProperties: false + +examples: + - | + #include <dt-bindings/soc/qe-fsl,tsa.h> + + tsa@ae0 { + compatible = "fsl,mpc8321-tsa", "fsl,qe-tsa"; + reg = <0xae0 0x10>, + <0xc00 0x200>; + reg-names = "si_regs", "si_ram"; + + #address-cells = <1>; + #size-cells = <0>; + + tdm@0 { + /* TDMa */ + reg = <0>; + + clocks = <&clk_l1rsynca>, <&clk_l1rclka>; + clock-names = "rsync", "rclk"; + + fsl,common-rxtx-pins; + fsl,fsync-rising-edge; + + fsl,tx-ts-routes = <2 0>, /* TS 0..1 */ + <24 FSL_QE_TSA_UCC4>, /* TS 2..25 */ + <1 0>, /* TS 26 */ + <5 FSL_QE_TSA_UCC3>; /* TS 27..31 */ + + fsl,rx-ts-routes = <2 0>, /* TS 0..1 */ + <24 FSL_QE_TSA_UCC4>, /* 2..25 */ + <1 0>, /* TS 26 */ + <5 FSL_QE_TSA_UCC3>; /* TS 27..31 */ + }; + }; diff --git a/Documentation/devicetree/bindings/soc/fsl/cpm_qe/fsl,qe-ucc-qmc.yaml b/Documentation/devicetree/bindings/soc/fsl/cpm_qe/fsl,qe-ucc-qmc.yaml new file mode 100644 index 000000000000..71ae64cb8a4f --- /dev/null +++ b/Documentation/devicetree/bindings/soc/fsl/cpm_qe/fsl,qe-ucc-qmc.yaml @@ -0,0 +1,197 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/soc/fsl/cpm_qe/fsl,qe-ucc-qmc.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: PowerQUICC QE QUICC Multichannel Controller (QMC) + +maintainers: + - Herve Codina <herve.codina@bootlin.com> + +description: + The QMC (QUICC Multichannel Controller) emulates up to 64 channels within one + serial controller using the same TDM physical interface routed from TSA. + +properties: + compatible: + items: + - enum: + - fsl,mpc8321-ucc-qmc + - const: fsl,qe-ucc-qmc + + reg: + items: + - description: UCC (Unified communication controller) register base + - description: Dual port ram base + + reg-names: + items: + - const: ucc_regs + - const: dpram + + interrupts: + maxItems: 1 + description: UCC interrupt line in the QE interrupt controller + + fsl,tsa-serial: + $ref: /schemas/types.yaml#/definitions/phandle-array + items: + - items: + - description: phandle to TSA node + - enum: [1, 2, 3, 4, 5] + description: | + TSA serial interface (dt-bindings/soc/qe-fsl,tsa.h defines these + values) + - 1: UCC1 + - 2: UCC2 + - 3: UCC3 + - 4: UCC4 + - 5: UCC5 + description: + Should be a phandle/number pair. The phandle to TSA node and the TSA + serial interface to use. + + fsl,soft-qmc: + $ref: /schemas/types.yaml#/definitions/string + description: + Soft QMC firmware name to load. If this property is omitted, no firmware + are used. + + '#address-cells': + const: 1 + + '#size-cells': + const: 0 + +patternProperties: + '^channel@([0-9]|[1-5][0-9]|6[0-3])$': + description: + A channel managed by this controller + type: object + additionalProperties: false + + properties: + compatible: + items: + - enum: + - fsl,mpc8321-ucc-qmc-hdlc + - const: fsl,qe-ucc-qmc-hdlc + - const: fsl,qmc-hdlc + + reg: + minimum: 0 + maximum: 63 + description: + The channel number + + fsl,operational-mode: + $ref: /schemas/types.yaml#/definitions/string + enum: [transparent, hdlc] + default: transparent + description: | + The channel operational mode + - hdlc: The channel handles HDLC frames + - transparent: The channel handles raw data without any processing + + fsl,reverse-data: + $ref: /schemas/types.yaml#/definitions/flag + description: + The bit order as seen on the channels is reversed, + transmitting/receiving the MSB of each octet first. + This flag is used only in 'transparent' mode. + + fsl,tx-ts-mask: + $ref: /schemas/types.yaml#/definitions/uint64 + description: + Channel assigned Tx time-slots within the Tx time-slots routed by the + TSA to this cell. + + fsl,rx-ts-mask: + $ref: /schemas/types.yaml#/definitions/uint64 + description: + Channel assigned Rx time-slots within the Rx time-slots routed by the + TSA to this cell. + + fsl,framer: + $ref: /schemas/types.yaml#/definitions/phandle + description: + phandle to the framer node. The framer is in charge of an E1/T1 line + interface connected to the TDM bus. It can be used to get the E1/T1 line + status such as link up/down. + + allOf: + - if: + properties: + compatible: + not: + contains: + const: fsl,qmc-hdlc + then: + properties: + fsl,framer: false + + required: + - reg + - fsl,tx-ts-mask + - fsl,rx-ts-mask + +required: + - compatible + - reg + - reg-names + - interrupts + - fsl,tsa-serial + - '#address-cells' + - '#size-cells' + +additionalProperties: false + +examples: + - | + #include <dt-bindings/soc/qe-fsl,tsa.h> + + qmc@a60 { + compatible = "fsl,mpc8321-ucc-qmc", "fsl,qe-ucc-qmc"; + reg = <0x3200 0x200>, + <0x10000 0x1000>; + reg-names = "ucc_regs", "dpram"; + interrupts = <35>; + interrupt-parent = <&qeic>; + fsl,soft-qmc = "fsl_qe_ucode_qmc_8321_11.bin"; + + #address-cells = <1>; + #size-cells = <0>; + + fsl,tsa-serial = <&tsa FSL_QE_TSA_UCC4>; + + channel@16 { + /* Ch16 : First 4 even TS from all routed from TSA */ + reg = <16>; + fsl,operational-mode = "transparent"; + fsl,reverse-data; + fsl,tx-ts-mask = <0x00000000 0x000000aa>; + fsl,rx-ts-mask = <0x00000000 0x000000aa>; + }; + + channel@17 { + /* Ch17 : First 4 odd TS from all routed from TSA */ + reg = <17>; + fsl,operational-mode = "transparent"; + fsl,reverse-data; + fsl,tx-ts-mask = <0x00000000 0x00000055>; + fsl,rx-ts-mask = <0x00000000 0x00000055>; + }; + + channel@19 { + /* Ch19 : 8 TS (TS 8..15) from all routed from TSA */ + compatible = "fsl,mpc8321-ucc-qmc-hdlc", + "fsl,qe-ucc-qmc-hdlc", + "fsl,qmc-hdlc"; + reg = <19>; + fsl,operational-mode = "hdlc"; + fsl,tx-ts-mask = <0x00000000 0x0000ff00>; + fsl,rx-ts-mask = <0x00000000 0x0000ff00>; + fsl,framer = <&framer>; + }; + }; diff --git a/Documentation/devicetree/bindings/soc/qcom/qcom,pmic-glink.yaml b/Documentation/devicetree/bindings/soc/qcom/qcom,pmic-glink.yaml index 4512390f90f0..2d3fe0b54243 100644 --- a/Documentation/devicetree/bindings/soc/qcom/qcom,pmic-glink.yaml +++ b/Documentation/devicetree/bindings/soc/qcom/qcom,pmic-glink.yaml @@ -32,6 +32,11 @@ properties: - const: qcom,pmic-glink - items: - enum: + - qcom,sm7325-pmic-glink + - const: qcom,qcm6490-pmic-glink + - const: qcom,pmic-glink + - items: + - enum: - qcom,sm8650-pmic-glink - qcom,x1e80100-pmic-glink - const: qcom,sm8550-pmic-glink diff --git a/Documentation/devicetree/bindings/soc/qcom/qcom,smd-rpm.yaml b/Documentation/devicetree/bindings/soc/qcom/qcom,smd-rpm.yaml index 2fa725b8af5d..270bcd079f88 100644 --- a/Documentation/devicetree/bindings/soc/qcom/qcom,smd-rpm.yaml +++ b/Documentation/devicetree/bindings/soc/qcom/qcom,smd-rpm.yaml @@ -30,31 +30,37 @@ maintainers: properties: compatible: - enum: - - qcom,rpm-apq8084 - - qcom,rpm-ipq6018 - - qcom,rpm-ipq9574 - - qcom,rpm-mdm9607 - - qcom,rpm-msm8226 - - qcom,rpm-msm8610 - - qcom,rpm-msm8909 - - qcom,rpm-msm8916 - - qcom,rpm-msm8917 - - qcom,rpm-msm8936 - - qcom,rpm-msm8937 - - qcom,rpm-msm8952 - - qcom,rpm-msm8953 - - qcom,rpm-msm8974 - - qcom,rpm-msm8976 - - qcom,rpm-msm8994 - - qcom,rpm-msm8996 - - qcom,rpm-msm8998 - - qcom,rpm-qcm2290 - - qcom,rpm-qcs404 - - qcom,rpm-sdm660 - - qcom,rpm-sm6115 - - qcom,rpm-sm6125 - - qcom,rpm-sm6375 + oneOf: + - items: + - enum: + - qcom,rpm-apq8084 + - qcom,rpm-mdm9607 + - qcom,rpm-msm8226 + - qcom,rpm-msm8610 + - qcom,rpm-msm8909 + - qcom,rpm-msm8916 + - qcom,rpm-msm8917 + - qcom,rpm-msm8936 + - qcom,rpm-msm8937 + - qcom,rpm-msm8952 + - qcom,rpm-msm8953 + - qcom,rpm-msm8974 + - qcom,rpm-msm8976 + - qcom,rpm-msm8994 + - const: qcom,smd-rpm + - items: + - enum: + - qcom,rpm-ipq6018 + - qcom,rpm-ipq9574 + - qcom,rpm-msm8996 + - qcom,rpm-msm8998 + - qcom,rpm-qcm2290 + - qcom,rpm-qcs404 + - qcom,rpm-sdm660 + - qcom,rpm-sm6115 + - qcom,rpm-sm6125 + - qcom,rpm-sm6375 + - const: qcom,glink-smd-rpm clock-controller: $ref: /schemas/clock/qcom,rpmcc.yaml# @@ -84,21 +90,7 @@ if: properties: compatible: contains: - enum: - - qcom,rpm-apq8084 - - qcom,rpm-mdm9607 - - qcom,rpm-msm8226 - - qcom,rpm-msm8610 - - qcom,rpm-msm8909 - - qcom,rpm-msm8916 - - qcom,rpm-msm8917 - - qcom,rpm-msm8936 - - qcom,rpm-msm8937 - - qcom,rpm-msm8952 - - qcom,rpm-msm8953 - - qcom,rpm-msm8974 - - qcom,rpm-msm8976 - - qcom,rpm-msm8994 + const: qcom,smd-rpm then: properties: qcom,glink-channels: false @@ -129,7 +121,7 @@ examples: qcom,smd-edge = <15>; rpm-requests { - compatible = "qcom,rpm-msm8916"; + compatible = "qcom,rpm-msm8916", "qcom,smd-rpm"; qcom,smd-channels = "rpm_requests"; clock-controller { diff --git a/Documentation/devicetree/bindings/soc/qcom/qcom,smd.yaml b/Documentation/devicetree/bindings/soc/qcom/qcom,smd.yaml index 4819ce90d206..d9fabefc8147 100644 --- a/Documentation/devicetree/bindings/soc/qcom/qcom,smd.yaml +++ b/Documentation/devicetree/bindings/soc/qcom/qcom,smd.yaml @@ -56,7 +56,7 @@ examples: qcom,smd-edge = <15>; rpm-requests { - compatible = "qcom,rpm-msm8974"; + compatible = "qcom,rpm-msm8974", "qcom,smd-rpm"; qcom,smd-channels = "rpm_requests"; clock-controller { diff --git a/Documentation/devicetree/bindings/soc/rockchip/grf.yaml b/Documentation/devicetree/bindings/soc/rockchip/grf.yaml index 35b20e53b513..50d727f4b76c 100644 --- a/Documentation/devicetree/bindings/soc/rockchip/grf.yaml +++ b/Documentation/devicetree/bindings/soc/rockchip/grf.yaml @@ -20,6 +20,20 @@ properties: - rockchip,rk3568-pipe-grf - rockchip,rk3568-pipe-phy-grf - rockchip,rk3568-usb2phy-grf + - rockchip,rk3576-bigcore-grf + - rockchip,rk3576-cci-grf + - rockchip,rk3576-gpu-grf + - rockchip,rk3576-litcore-grf + - rockchip,rk3576-npu-grf + - rockchip,rk3576-php-grf + - rockchip,rk3576-pipe-phy-grf + - rockchip,rk3576-pmu1-grf + - rockchip,rk3576-sdgmac-grf + - rockchip,rk3576-sys-grf + - rockchip,rk3576-usb-grf + - rockchip,rk3576-usbdpphy-grf + - rockchip,rk3576-vo0-grf + - rockchip,rk3576-vop-grf - rockchip,rk3588-bigcore0-grf - rockchip,rk3588-bigcore1-grf - rockchip,rk3588-hdptxphy-grf @@ -64,6 +78,8 @@ properties: - rockchip,rk3399-pmugrf - rockchip,rk3568-grf - rockchip,rk3568-pmugrf + - rockchip,rk3576-ioc-grf + - rockchip,rk3576-pmu0-grf - rockchip,rk3588-usb2phy-grf - rockchip,rv1108-grf - rockchip,rv1108-pmugrf diff --git a/Documentation/devicetree/bindings/soc/samsung/exynos-usi.yaml b/Documentation/devicetree/bindings/soc/samsung/exynos-usi.yaml index 8b478d6cdc30..f80fcbc3128b 100644 --- a/Documentation/devicetree/bindings/soc/samsung/exynos-usi.yaml +++ b/Documentation/devicetree/bindings/soc/samsung/exynos-usi.yaml @@ -32,11 +32,16 @@ properties: - enum: - samsung,exynos850-usi - reg: true + reg: + maxItems: 1 - clocks: true + clocks: + maxItems: 2 - clock-names: true + clock-names: + items: + - const: pclk + - const: ipclk ranges: true @@ -113,9 +118,7 @@ then: - description: Operating clock for UART/SPI/I2C protocol clock-names: - items: - - const: pclk - - const: ipclk + maxItems: 2 required: - reg diff --git a/MAINTAINERS b/MAINTAINERS index 2144ff480940..62af100506d5 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -9051,6 +9051,7 @@ M: Herve Codina <herve.codina@bootlin.com> L: linuxppc-dev@lists.ozlabs.org S: Maintained F: Documentation/devicetree/bindings/soc/fsl/cpm_qe/fsl,cpm1-scc-qmc.yaml +F: Documentation/devicetree/bindings/soc/fsl/cpm_qe/fsl,qe-ucc-qmc.yaml F: drivers/soc/fsl/qe/qmc.c F: include/soc/fsl/qe/qmc.h @@ -9066,9 +9067,11 @@ M: Herve Codina <herve.codina@bootlin.com> L: linuxppc-dev@lists.ozlabs.org S: Maintained F: Documentation/devicetree/bindings/soc/fsl/cpm_qe/fsl,cpm1-tsa.yaml +F: Documentation/devicetree/bindings/soc/fsl/cpm_qe/fsl,qe-tsa.yaml F: drivers/soc/fsl/qe/tsa.c F: drivers/soc/fsl/qe/tsa.h F: include/dt-bindings/soc/cpm1-fsl,tsa.h +F: include/dt-bindings/soc/qe-fsl,tsa.h FREESCALE QUICC ENGINE UCC ETHERNET DRIVER L: netdev@vger.kernel.org @@ -18963,6 +18966,7 @@ L: linux-arm-msm@vger.kernel.org S: Maintained F: Documentation/devicetree/bindings/interconnect/qcom,msm8998-bwmon.yaml F: drivers/soc/qcom/icc-bwmon.c +F: drivers/soc/qcom/trace_icc-bwmon.h QUALCOMM IOMMU M: Rob Clark <robdclark@gmail.com> diff --git a/arch/arm/mach-at91/Kconfig b/arch/arm/mach-at91/Kconfig index a8c022b4c053..344f5305f69a 100644 --- a/arch/arm/mach-at91/Kconfig +++ b/arch/arm/mach-at91/Kconfig @@ -141,11 +141,27 @@ config SOC_SAM9X60 help Select this if you are using Microchip's SAM9X60 SoC +config SOC_SAM9X7 + bool "SAM9X7" + depends on ARCH_MULTI_V5 + select ATMEL_AIC5_IRQ + select ATMEL_PM if PM + select CPU_ARM926T + select HAVE_AT91_USB_CLK + select HAVE_AT91_GENERATED_CLK + select HAVE_AT91_SAM9X60_PLL + select MEMORY + select PINCTRL_AT91 + select SOC_SAM_V4_V5 + select SRAM if PM + help + Select this if you are using Microchip's SAM9X7 SoC + comment "Clocksource driver selection" config ATMEL_CLOCKSOURCE_PIT bool "Periodic Interval Timer (PIT) support" - depends on SOC_AT91SAM9 || SOC_SAM9X60 || SOC_SAMA5 + depends on SOC_AT91SAM9 || SOC_SAM9X60 || SOC_SAM9X7 || SOC_SAMA5 default SOC_AT91SAM9 || SOC_SAMA5 select ATMEL_PIT help @@ -155,7 +171,7 @@ config ATMEL_CLOCKSOURCE_PIT config ATMEL_CLOCKSOURCE_TCB bool "Timer Counter Blocks (TCB) support" - default SOC_AT91RM9200 || SOC_AT91SAM9 || SOC_SAM9X60 || SOC_SAMA5 + default SOC_AT91RM9200 || SOC_AT91SAM9 || SOC_SAM9X60 || SOC_SAM9X7 || SOC_SAMA5 select ATMEL_TCB_CLKSRC help Select this to get a high precision clocksource based on a @@ -166,7 +182,7 @@ config ATMEL_CLOCKSOURCE_TCB config MICROCHIP_CLOCKSOURCE_PIT64B bool "64-bit Periodic Interval Timer (PIT64B) support" - default SOC_SAM9X60 || SOC_SAMA7 + default SOC_SAM9X60 || SOC_SAM9X7 || SOC_SAMA7 select MICROCHIP_PIT64B help Select this to get a high resolution clockevent (SAM9X60) or diff --git a/arch/arm/mach-at91/Makefile b/arch/arm/mach-at91/Makefile index 794bd12ab0a8..7d8a7bc44e65 100644 --- a/arch/arm/mach-at91/Makefile +++ b/arch/arm/mach-at91/Makefile @@ -7,6 +7,7 @@ obj-$(CONFIG_SOC_AT91RM9200) += at91rm9200.o obj-$(CONFIG_SOC_AT91SAM9) += at91sam9.o obj-$(CONFIG_SOC_SAM9X60) += sam9x60.o +obj-$(CONFIG_SOC_SAM9X7) += sam9x7.o obj-$(CONFIG_SOC_SAMA5) += sama5.o sam_secure.o obj-$(CONFIG_SOC_SAMA7) += sama7.o obj-$(CONFIG_SOC_SAMV7) += samv7.o diff --git a/arch/arm/mach-at91/generic.h b/arch/arm/mach-at91/generic.h index 0c3960a8b3eb..acf0b3c82a30 100644 --- a/arch/arm/mach-at91/generic.h +++ b/arch/arm/mach-at91/generic.h @@ -12,6 +12,7 @@ extern void __init at91rm9200_pm_init(void); extern void __init at91sam9_pm_init(void); extern void __init sam9x60_pm_init(void); +extern void __init sam9x7_pm_init(void); extern void __init sama5_pm_init(void); extern void __init sama5d2_pm_init(void); extern void __init sama7_pm_init(void); @@ -19,6 +20,7 @@ extern void __init sama7_pm_init(void); static inline void __init at91rm9200_pm_init(void) { } static inline void __init at91sam9_pm_init(void) { } static inline void __init sam9x60_pm_init(void) { } +static inline void __init sam9x7_pm_init(void) { } static inline void __init sama5_pm_init(void) { } static inline void __init sama5d2_pm_init(void) { } static inline void __init sama7_pm_init(void) { } diff --git a/arch/arm/mach-at91/pm.c b/arch/arm/mach-at91/pm.c index 345b91dc6627..b9b995f8a36e 100644 --- a/arch/arm/mach-at91/pm.c +++ b/arch/arm/mach-at91/pm.c @@ -233,6 +233,13 @@ static const struct of_device_id sama7g5_ws_ids[] = { { /* sentinel */ } }; +static const struct of_device_id sam9x7_ws_ids[] = { + { .compatible = "microchip,sam9x7-rtc", .data = &ws_info[1] }, + { .compatible = "microchip,sam9x7-rtt", .data = &ws_info[4] }, + { .compatible = "microchip,sam9x7-gem", .data = &ws_info[5] }, + { /* sentinel */ } +}; + static int at91_pm_config_ws(unsigned int pm_mode, bool set) { const struct wakeup_source_info *wsi; @@ -1361,6 +1368,7 @@ static const struct of_device_id atmel_pmc_ids[] __initconst = { { .compatible = "atmel,sama5d4-pmc", .data = &pmc_infos[1] }, { .compatible = "atmel,sama5d2-pmc", .data = &pmc_infos[1] }, { .compatible = "microchip,sam9x60-pmc", .data = &pmc_infos[4] }, + { .compatible = "microchip,sam9x7-pmc", .data = &pmc_infos[4] }, { .compatible = "microchip,sama7g5-pmc", .data = &pmc_infos[5] }, { /* sentinel */ }, }; @@ -1499,6 +1507,27 @@ void __init sam9x60_pm_init(void) soc_pm.config_pmc_ws = at91_sam9x60_config_pmc_ws; } +void __init sam9x7_pm_init(void) +{ + static const int modes[] __initconst = { + AT91_PM_STANDBY, AT91_PM_ULP0, + }; + int ret; + + if (!IS_ENABLED(CONFIG_SOC_SAM9X7)) + return; + + at91_pm_modes_validate(modes, ARRAY_SIZE(modes)); + ret = at91_dt_ramc(false); + if (ret) + return; + + at91_pm_init(NULL); + + soc_pm.ws_ids = sam9x7_ws_ids; + soc_pm.config_pmc_ws = at91_sam9x60_config_pmc_ws; +} + void __init at91sam9_pm_init(void) { int ret; diff --git a/arch/arm/mach-at91/sam9x7.c b/arch/arm/mach-at91/sam9x7.c new file mode 100644 index 000000000000..e1ff30b5b09b --- /dev/null +++ b/arch/arm/mach-at91/sam9x7.c @@ -0,0 +1,33 @@ +// SPDX-License-Identifier: GPL-2.0+ +/* + * Setup code for SAM9X7. + * + * Copyright (C) 2023 Microchip Technology Inc. and its subsidiaries + * + * Author: Varshini Rajendran <varshini.rajendran@microchip.com> + */ + +#include <linux/of.h> +#include <linux/of_platform.h> + +#include <asm/mach/arch.h> + +#include "generic.h" + +static void __init sam9x7_init(void) +{ + of_platform_default_populate(NULL, NULL, NULL); + + sam9x7_pm_init(); +} + +static const char * const sam9x7_dt_board_compat[] __initconst = { + "microchip,sam9x7", + NULL +}; + +DT_MACHINE_START(sam9x7_dt, "Microchip SAM9X7") + /* Maintainer: Microchip */ + .init_machine = sam9x7_init, + .dt_compat = sam9x7_dt_board_compat, +MACHINE_END diff --git a/arch/arm/mach-versatile/platsmp-realview.c b/arch/arm/mach-versatile/platsmp-realview.c index 6965a1de727b..d38b2e174257 100644 --- a/arch/arm/mach-versatile/platsmp-realview.c +++ b/arch/arm/mach-versatile/platsmp-realview.c @@ -70,6 +70,7 @@ static void __init realview_smp_prepare_cpus(unsigned int max_cpus) return; } map = syscon_node_to_regmap(np); + of_node_put(np); if (IS_ERR(map)) { pr_err("PLATSMP: No syscon regmap\n"); return; diff --git a/drivers/bus/Kconfig b/drivers/bus/Kconfig index 64cd2ee03aa3..ff669a8ccad9 100644 --- a/drivers/bus/Kconfig +++ b/drivers/bus/Kconfig @@ -89,7 +89,7 @@ config HISILICON_LPC config IMX_WEIM bool "Freescale EIM DRIVER" - depends on ARCH_MXC + depends on ARCH_MXC || COMPILE_TEST help Driver for i.MX WEIM controller. The WEIM(Wireless External Interface Module) works like a bus. diff --git a/drivers/bus/arm-integrator-lm.c b/drivers/bus/arm-integrator-lm.c index b715c8ab36e8..a65c79b08804 100644 --- a/drivers/bus/arm-integrator-lm.c +++ b/drivers/bus/arm-integrator-lm.c @@ -85,6 +85,7 @@ static int integrator_ap_lm_probe(struct platform_device *pdev) return -ENODEV; } map = syscon_node_to_regmap(syscon); + of_node_put(syscon); if (IS_ERR(map)) { dev_err(dev, "could not find Integrator/AP system controller\n"); diff --git a/drivers/bus/imx-weim.c b/drivers/bus/imx-weim.c index 837bf9d51c6e..83d623d97f5f 100644 --- a/drivers/bus/imx-weim.c +++ b/drivers/bus/imx-weim.c @@ -282,22 +282,18 @@ static int weim_probe(struct platform_device *pdev) dev_set_drvdata(&pdev->dev, priv); /* get the clock */ - clk = devm_clk_get(&pdev->dev, NULL); + clk = devm_clk_get_enabled(&pdev->dev, NULL); if (IS_ERR(clk)) return PTR_ERR(clk); - ret = clk_prepare_enable(clk); - if (ret) - return ret; - /* parse the device node */ ret = weim_parse_dt(pdev); if (ret) - clk_disable_unprepare(clk); - else - dev_info(&pdev->dev, "Driver registered.\n"); + return ret; - return ret; + dev_info(&pdev->dev, "Driver registered.\n"); + + return 0; } #if IS_ENABLED(CONFIG_OF_DYNAMIC) diff --git a/drivers/bus/sunxi-rsb.c b/drivers/bus/sunxi-rsb.c index eee41fb798a1..a89d78925637 100644 --- a/drivers/bus/sunxi-rsb.c +++ b/drivers/bus/sunxi-rsb.c @@ -751,12 +751,10 @@ static int sunxi_rsb_probe(struct platform_device *pdev) int irq, ret; of_property_read_u32(np, "clock-frequency", &clk_freq); - if (clk_freq > RSB_MAX_FREQ) { - dev_err(dev, - "clock-frequency (%u Hz) is too high (max = 20MHz)\n", - clk_freq); - return -EINVAL; - } + if (clk_freq > RSB_MAX_FREQ) + return dev_err_probe(dev, -EINVAL, + "clock-frequency (%u Hz) is too high (max = 20MHz)\n", + clk_freq); rsb = devm_kzalloc(dev, sizeof(*rsb), GFP_KERNEL); if (!rsb) @@ -774,28 +772,22 @@ static int sunxi_rsb_probe(struct platform_device *pdev) return irq; rsb->clk = devm_clk_get(dev, NULL); - if (IS_ERR(rsb->clk)) { - ret = PTR_ERR(rsb->clk); - dev_err(dev, "failed to retrieve clk: %d\n", ret); - return ret; - } + if (IS_ERR(rsb->clk)) + return dev_err_probe(dev, PTR_ERR(rsb->clk), + "failed to retrieve clk\n"); rsb->rstc = devm_reset_control_get(dev, NULL); - if (IS_ERR(rsb->rstc)) { - ret = PTR_ERR(rsb->rstc); - dev_err(dev, "failed to retrieve reset controller: %d\n", ret); - return ret; - } + if (IS_ERR(rsb->rstc)) + return dev_err_probe(dev, PTR_ERR(rsb->rstc), + "failed to retrieve reset controller\n"); init_completion(&rsb->complete); mutex_init(&rsb->lock); ret = devm_request_irq(dev, irq, sunxi_rsb_irq, 0, RSB_CTRL_NAME, rsb); - if (ret) { - dev_err(dev, "can't register interrupt handler irq %d: %d\n", - irq, ret); - return ret; - } + if (ret) + return dev_err_probe(dev, ret, + "can't register interrupt handler irq %d\n", irq); ret = sunxi_rsb_hw_init(rsb); if (ret) diff --git a/drivers/bus/ti-sysc.c b/drivers/bus/ti-sysc.c index 2b59ef61dda2..270a94a06e05 100644 --- a/drivers/bus/ti-sysc.c +++ b/drivers/bus/ti-sysc.c @@ -126,7 +126,6 @@ static const char * const clock_names[SYSC_MAX_CLOCKS] = { * @enabled: sysc runtime enabled status * @needs_resume: runtime resume needed on resume from suspend * @child_needs_resume: runtime resume needed for child on resume from suspend - * @disable_on_idle: status flag used for disabling modules with resets * @idle_work: work structure used to perform delayed idle on a module * @pre_reset_quirk: module specific pre-reset quirk * @post_reset_quirk: module specific post-reset quirk @@ -2569,14 +2568,12 @@ static const struct sysc_dts_quirk sysc_dts_quirks[] = { static void sysc_parse_dts_quirks(struct sysc *ddata, struct device_node *np, bool is_child) { - const struct property *prop; - int i, len; + int i; for (i = 0; i < ARRAY_SIZE(sysc_dts_quirks); i++) { const char *name = sysc_dts_quirks[i].name; - prop = of_get_property(np, name, &len); - if (!prop) + if (!of_property_present(np, name)) continue; ddata->cfg.quirks |= sysc_dts_quirks[i].mask; diff --git a/drivers/firmware/arm_ffa/driver.c b/drivers/firmware/arm_ffa/driver.c index 7ba98c7af2e9..4d231bc375e0 100644 --- a/drivers/firmware/arm_ffa/driver.c +++ b/drivers/firmware/arm_ffa/driver.c @@ -26,6 +26,7 @@ #include <linux/arm_ffa.h> #include <linux/bitfield.h> #include <linux/cpuhotplug.h> +#include <linux/delay.h> #include <linux/device.h> #include <linux/hashtable.h> #include <linux/interrupt.h> @@ -53,11 +54,8 @@ #define PACK_TARGET_INFO(s, r) \ (FIELD_PREP(SENDER_ID_MASK, (s)) | FIELD_PREP(RECEIVER_ID_MASK, (r))) -/* - * Keeping RX TX buffer size as 4K for now - * 64K may be preferred to keep it min a page in 64K PAGE_SIZE config - */ -#define RXTX_BUFFER_SIZE SZ_4K +#define RXTX_MAP_MIN_BUFSZ_MASK GENMASK(1, 0) +#define RXTX_MAP_MIN_BUFSZ(x) ((x) & RXTX_MAP_MIN_BUFSZ_MASK) #define FFA_MAX_NOTIFICATIONS 64 @@ -75,6 +73,7 @@ static const int ffa_linux_errmap[] = { -EAGAIN, /* FFA_RET_RETRY */ -ECANCELED, /* FFA_RET_ABORTED */ -ENODATA, /* FFA_RET_NO_DATA */ + -EAGAIN, /* FFA_RET_NOT_READY */ }; static inline int ffa_to_linux_errno(int errno) @@ -97,7 +96,9 @@ struct ffa_drv_info { struct mutex tx_lock; /* lock to protect Tx buffer */ void *rx_buffer; void *tx_buffer; + size_t rxtx_bufsz; bool mem_ops_native; + bool msg_direct_req2_supp; bool bitmap_created; bool notif_enabled; unsigned int sched_recv_irq; @@ -211,6 +212,32 @@ static int ffa_rxtx_unmap(u16 vm_id) return 0; } +static int ffa_features(u32 func_feat_id, u32 input_props, + u32 *if_props_1, u32 *if_props_2) +{ + ffa_value_t id; + + if (!ARM_SMCCC_IS_FAST_CALL(func_feat_id) && input_props) { + pr_err("%s: Invalid Parameters: %x, %x", __func__, + func_feat_id, input_props); + return ffa_to_linux_errno(FFA_RET_INVALID_PARAMETERS); + } + + invoke_ffa_fn((ffa_value_t){ + .a0 = FFA_FEATURES, .a1 = func_feat_id, .a2 = input_props, + }, &id); + + if (id.a0 == FFA_ERROR) + return ffa_to_linux_errno((int)id.a2); + + if (if_props_1) + *if_props_1 = id.a2; + if (if_props_2) + *if_props_2 = id.a3; + + return 0; +} + #define PARTITION_INFO_GET_RETURN_COUNT_ONLY BIT(0) /* buffer must be sizeof(struct ffa_partition_info) * num_partitions */ @@ -260,17 +287,75 @@ __ffa_partition_info_get(u32 uuid0, u32 uuid1, u32 uuid2, u32 uuid3, return count; } +#define LAST_INDEX_MASK GENMASK(15, 0) +#define CURRENT_INDEX_MASK GENMASK(31, 16) +#define UUID_INFO_TAG_MASK GENMASK(47, 32) +#define PARTITION_INFO_SZ_MASK GENMASK(63, 48) +#define PARTITION_COUNT(x) ((u16)(FIELD_GET(LAST_INDEX_MASK, (x))) + 1) +#define CURRENT_INDEX(x) ((u16)(FIELD_GET(CURRENT_INDEX_MASK, (x)))) +#define UUID_INFO_TAG(x) ((u16)(FIELD_GET(UUID_INFO_TAG_MASK, (x)))) +#define PARTITION_INFO_SZ(x) ((u16)(FIELD_GET(PARTITION_INFO_SZ_MASK, (x)))) +static int +__ffa_partition_info_get_regs(u32 uuid0, u32 uuid1, u32 uuid2, u32 uuid3, + struct ffa_partition_info *buffer, int num_parts) +{ + u16 buf_sz, start_idx, cur_idx, count = 0, prev_idx = 0, tag = 0; + ffa_value_t partition_info; + + do { + start_idx = prev_idx ? prev_idx + 1 : 0; + + invoke_ffa_fn((ffa_value_t){ + .a0 = FFA_PARTITION_INFO_GET_REGS, + .a1 = (u64)uuid1 << 32 | uuid0, + .a2 = (u64)uuid3 << 32 | uuid2, + .a3 = start_idx | tag << 16, + }, &partition_info); + + if (partition_info.a0 == FFA_ERROR) + return ffa_to_linux_errno((int)partition_info.a2); + + if (!count) + count = PARTITION_COUNT(partition_info.a2); + if (!buffer || !num_parts) /* count only */ + return count; + + cur_idx = CURRENT_INDEX(partition_info.a2); + tag = UUID_INFO_TAG(partition_info.a2); + buf_sz = PARTITION_INFO_SZ(partition_info.a2); + if (buf_sz > sizeof(*buffer)) + buf_sz = sizeof(*buffer); + + memcpy(buffer + prev_idx * buf_sz, &partition_info.a3, + (cur_idx - start_idx + 1) * buf_sz); + prev_idx = cur_idx; + + } while (cur_idx < (count - 1)); + + return count; +} + /* buffer is allocated and caller must free the same if returned count > 0 */ static int ffa_partition_probe(const uuid_t *uuid, struct ffa_partition_info **buffer) { int count; u32 uuid0_4[4]; + bool reg_mode = false; struct ffa_partition_info *pbuf; + if (!ffa_features(FFA_PARTITION_INFO_GET_REGS, 0, NULL, NULL)) + reg_mode = true; + export_uuid((u8 *)uuid0_4, uuid); - count = __ffa_partition_info_get(uuid0_4[0], uuid0_4[1], uuid0_4[2], - uuid0_4[3], NULL, 0); + if (reg_mode) + count = __ffa_partition_info_get_regs(uuid0_4[0], uuid0_4[1], + uuid0_4[2], uuid0_4[3], + NULL, 0); + else + count = __ffa_partition_info_get(uuid0_4[0], uuid0_4[1], + uuid0_4[2], uuid0_4[3], + NULL, 0); if (count <= 0) return count; @@ -278,8 +363,14 @@ ffa_partition_probe(const uuid_t *uuid, struct ffa_partition_info **buffer) if (!pbuf) return -ENOMEM; - count = __ffa_partition_info_get(uuid0_4[0], uuid0_4[1], uuid0_4[2], - uuid0_4[3], pbuf, count); + if (reg_mode) + count = __ffa_partition_info_get_regs(uuid0_4[0], uuid0_4[1], + uuid0_4[2], uuid0_4[3], + pbuf, count); + else + count = __ffa_partition_info_get(uuid0_4[0], uuid0_4[1], + uuid0_4[2], uuid0_4[3], + pbuf, count); if (count <= 0) kfree(pbuf); else @@ -305,6 +396,18 @@ static int ffa_id_get(u16 *vm_id) return 0; } +static inline void ffa_msg_send_wait_for_completion(ffa_value_t *ret) +{ + while (ret->a0 == FFA_INTERRUPT || ret->a0 == FFA_YIELD) { + if (ret->a0 == FFA_YIELD) + fsleep(1000); + + invoke_ffa_fn((ffa_value_t){ + .a0 = FFA_RUN, .a1 = ret->a1, + }, ret); + } +} + static int ffa_msg_send_direct_req(u16 src_id, u16 dst_id, bool mode_32bit, struct ffa_send_direct_data *data) { @@ -325,10 +428,7 @@ static int ffa_msg_send_direct_req(u16 src_id, u16 dst_id, bool mode_32bit, .a6 = data->data3, .a7 = data->data4, }, &ret); - while (ret.a0 == FFA_INTERRUPT) - invoke_ffa_fn((ffa_value_t){ - .a0 = FFA_RUN, .a1 = ret.a1, - }, &ret); + ffa_msg_send_wait_for_completion(&ret); if (ret.a0 == FFA_ERROR) return ffa_to_linux_errno((int)ret.a2); @@ -352,7 +452,7 @@ static int ffa_msg_send2(u16 src_id, u16 dst_id, void *buf, size_t sz) ffa_value_t ret; int retval = 0; - if (sz > (RXTX_BUFFER_SIZE - sizeof(*msg))) + if (sz > (drv_info->rxtx_bufsz - sizeof(*msg))) return -ERANGE; mutex_lock(&drv_info->tx_lock); @@ -377,6 +477,32 @@ static int ffa_msg_send2(u16 src_id, u16 dst_id, void *buf, size_t sz) return retval; } +static int ffa_msg_send_direct_req2(u16 src_id, u16 dst_id, const uuid_t *uuid, + struct ffa_send_direct_data2 *data) +{ + u32 src_dst_ids = PACK_TARGET_INFO(src_id, dst_id); + ffa_value_t ret, args = { + .a0 = FFA_MSG_SEND_DIRECT_REQ2, .a1 = src_dst_ids, + }; + + export_uuid((u8 *)&args.a2, uuid); + memcpy((void *)&args + offsetof(ffa_value_t, a4), data, sizeof(*data)); + + invoke_ffa_fn(args, &ret); + + ffa_msg_send_wait_for_completion(&ret); + + if (ret.a0 == FFA_ERROR) + return ffa_to_linux_errno((int)ret.a2); + + if (ret.a0 == FFA_MSG_SEND_DIRECT_RESP2) { + memcpy(data, &ret.a4, sizeof(*data)); + return 0; + } + + return -EINVAL; +} + static int ffa_mem_first_frag(u32 func_id, phys_addr_t buf, u32 buf_sz, u32 frag_len, u32 len, u64 *handle) { @@ -561,9 +687,10 @@ static int ffa_memory_ops(u32 func_id, struct ffa_mem_ops_args *args) { int ret; void *buffer; + size_t rxtx_bufsz = drv_info->rxtx_bufsz; if (!args->use_txbuf) { - buffer = alloc_pages_exact(RXTX_BUFFER_SIZE, GFP_KERNEL); + buffer = alloc_pages_exact(rxtx_bufsz, GFP_KERNEL); if (!buffer) return -ENOMEM; } else { @@ -571,12 +698,12 @@ static int ffa_memory_ops(u32 func_id, struct ffa_mem_ops_args *args) mutex_lock(&drv_info->tx_lock); } - ret = ffa_setup_and_transmit(func_id, buffer, RXTX_BUFFER_SIZE, args); + ret = ffa_setup_and_transmit(func_id, buffer, rxtx_bufsz, args); if (args->use_txbuf) mutex_unlock(&drv_info->tx_lock); else - free_pages_exact(buffer, RXTX_BUFFER_SIZE); + free_pages_exact(buffer, rxtx_bufsz); return ret < 0 ? ret : 0; } @@ -597,32 +724,6 @@ static int ffa_memory_reclaim(u64 g_handle, u32 flags) return 0; } -static int ffa_features(u32 func_feat_id, u32 input_props, - u32 *if_props_1, u32 *if_props_2) -{ - ffa_value_t id; - - if (!ARM_SMCCC_IS_FAST_CALL(func_feat_id) && input_props) { - pr_err("%s: Invalid Parameters: %x, %x", __func__, - func_feat_id, input_props); - return ffa_to_linux_errno(FFA_RET_INVALID_PARAMETERS); - } - - invoke_ffa_fn((ffa_value_t){ - .a0 = FFA_FEATURES, .a1 = func_feat_id, .a2 = input_props, - }, &id); - - if (id.a0 == FFA_ERROR) - return ffa_to_linux_errno((int)id.a2); - - if (if_props_1) - *if_props_1 = id.a2; - if (if_props_2) - *if_props_2 = id.a3; - - return 0; -} - static int ffa_notification_bitmap_create(void) { ffa_value_t ret; @@ -858,11 +959,15 @@ static int ffa_run(struct ffa_device *dev, u16 vcpu) return 0; } -static void ffa_set_up_mem_ops_native_flag(void) +static void ffa_drvinfo_flags_init(void) { if (!ffa_features(FFA_FN_NATIVE(MEM_LEND), 0, NULL, NULL) || !ffa_features(FFA_FN_NATIVE(MEM_SHARE), 0, NULL, NULL)) drv_info->mem_ops_native = true; + + if (!ffa_features(FFA_MSG_SEND_DIRECT_REQ2, 0, NULL, NULL) || + !ffa_features(FFA_MSG_SEND_DIRECT_RESP2, 0, NULL, NULL)) + drv_info->msg_direct_req2_supp = true; } static u32 ffa_api_version_get(void) @@ -908,6 +1013,16 @@ static int ffa_indirect_msg_send(struct ffa_device *dev, void *buf, size_t sz) return ffa_msg_send2(drv_info->vm_id, dev->vm_id, buf, sz); } +static int ffa_sync_send_receive2(struct ffa_device *dev, const uuid_t *uuid, + struct ffa_send_direct_data2 *data) +{ + if (!drv_info->msg_direct_req2_supp) + return -EOPNOTSUPP; + + return ffa_msg_send_direct_req2(drv_info->vm_id, dev->vm_id, + uuid, data); +} + static int ffa_memory_share(struct ffa_mem_ops_args *args) { if (drv_info->mem_ops_native) @@ -1191,6 +1306,7 @@ static const struct ffa_msg_ops ffa_drv_msg_ops = { .mode_32bit_set = ffa_mode_32bit_set, .sync_send_receive = ffa_sync_send_receive, .indirect_send = ffa_indirect_msg_send, + .sync_send_receive2 = ffa_sync_send_receive2, }; static const struct ffa_mem_ops ffa_drv_mem_ops = { @@ -1242,7 +1358,7 @@ ffa_bus_notifier(struct notifier_block *nb, unsigned long action, void *data) if (action == BUS_NOTIFY_BIND_DRIVER) { struct ffa_driver *ffa_drv = to_ffa_driver(dev->driver); - const struct ffa_device_id *id_table= ffa_drv->id_table; + const struct ffa_device_id *id_table = ffa_drv->id_table; /* * FF-A v1.1 provides UUID for each partition as part of the @@ -1327,8 +1443,6 @@ static int ffa_setup_partitions(void) /* Allocate for the host */ info = kzalloc(sizeof(*info), GFP_KERNEL); if (!info) { - pr_err("%s: failed to alloc Host partition ID 0x%x. Abort.\n", - __func__, drv_info->vm_id); /* Already registered devices are freed on bus_exit */ ffa_partitions_cleanup(); return -ENOMEM; @@ -1603,15 +1717,16 @@ cleanup: static int __init ffa_init(void) { int ret; + u32 buf_sz; + size_t rxtx_bufsz = SZ_4K; ret = ffa_transport_init(&invoke_ffa_fn); if (ret) return ret; drv_info = kzalloc(sizeof(*drv_info), GFP_KERNEL); - if (!drv_info) { + if (!drv_info) return -ENOMEM; - } ret = ffa_version_check(&drv_info->version); if (ret) @@ -1623,13 +1738,24 @@ static int __init ffa_init(void) goto free_drv_info; } - drv_info->rx_buffer = alloc_pages_exact(RXTX_BUFFER_SIZE, GFP_KERNEL); + ret = ffa_features(FFA_FN_NATIVE(RXTX_MAP), 0, &buf_sz, NULL); + if (!ret) { + if (RXTX_MAP_MIN_BUFSZ(buf_sz) == 1) + rxtx_bufsz = SZ_64K; + else if (RXTX_MAP_MIN_BUFSZ(buf_sz) == 2) + rxtx_bufsz = SZ_16K; + else + rxtx_bufsz = SZ_4K; + } + + drv_info->rxtx_bufsz = rxtx_bufsz; + drv_info->rx_buffer = alloc_pages_exact(rxtx_bufsz, GFP_KERNEL); if (!drv_info->rx_buffer) { ret = -ENOMEM; goto free_pages; } - drv_info->tx_buffer = alloc_pages_exact(RXTX_BUFFER_SIZE, GFP_KERNEL); + drv_info->tx_buffer = alloc_pages_exact(rxtx_bufsz, GFP_KERNEL); if (!drv_info->tx_buffer) { ret = -ENOMEM; goto free_pages; @@ -1637,7 +1763,7 @@ static int __init ffa_init(void) ret = ffa_rxtx_map(virt_to_phys(drv_info->tx_buffer), virt_to_phys(drv_info->rx_buffer), - RXTX_BUFFER_SIZE / FFA_PAGE_SIZE); + rxtx_bufsz / FFA_PAGE_SIZE); if (ret) { pr_err("failed to register FFA RxTx buffers\n"); goto free_pages; @@ -1646,7 +1772,7 @@ static int __init ffa_init(void) mutex_init(&drv_info->rx_lock); mutex_init(&drv_info->tx_lock); - ffa_set_up_mem_ops_native_flag(); + ffa_drvinfo_flags_init(); ffa_notifications_setup(); @@ -1667,8 +1793,8 @@ cleanup_notifs: ffa_notifications_cleanup(); free_pages: if (drv_info->tx_buffer) - free_pages_exact(drv_info->tx_buffer, RXTX_BUFFER_SIZE); - free_pages_exact(drv_info->rx_buffer, RXTX_BUFFER_SIZE); + free_pages_exact(drv_info->tx_buffer, rxtx_bufsz); + free_pages_exact(drv_info->rx_buffer, rxtx_bufsz); free_drv_info: kfree(drv_info); return ret; @@ -1680,8 +1806,8 @@ static void __exit ffa_exit(void) ffa_notifications_cleanup(); ffa_partitions_cleanup(); ffa_rxtx_unmap(drv_info->vm_id); - free_pages_exact(drv_info->tx_buffer, RXTX_BUFFER_SIZE); - free_pages_exact(drv_info->rx_buffer, RXTX_BUFFER_SIZE); + free_pages_exact(drv_info->tx_buffer, drv_info->rxtx_bufsz); + free_pages_exact(drv_info->rx_buffer, drv_info->rxtx_bufsz); kfree(drv_info); } module_exit(ffa_exit); diff --git a/drivers/firmware/arm_scmi/Kconfig b/drivers/firmware/arm_scmi/Kconfig index aa5842be19b2..dabd874641d0 100644 --- a/drivers/firmware/arm_scmi/Kconfig +++ b/drivers/firmware/arm_scmi/Kconfig @@ -55,116 +55,22 @@ config ARM_SCMI_RAW_MODE_SUPPORT_COEX operate normally, thing which could make an SCMI test suite using the SCMI Raw mode support unreliable. If unsure, say N. -config ARM_SCMI_HAVE_TRANSPORT - bool - help - This declares whether at least one SCMI transport has been configured. - Used to trigger a build bug when trying to build SCMI without any - configured transport. - -config ARM_SCMI_HAVE_SHMEM - bool - help - This declares whether a shared memory based transport for SCMI is - available. - -config ARM_SCMI_HAVE_MSG - bool - help - This declares whether a message passing based transport for SCMI is - available. - -config ARM_SCMI_TRANSPORT_MAILBOX - bool "SCMI transport based on Mailbox" - depends on MAILBOX - select ARM_SCMI_HAVE_TRANSPORT - select ARM_SCMI_HAVE_SHMEM - default y - help - Enable mailbox based transport for SCMI. - - If you want the ARM SCMI PROTOCOL stack to include support for a - transport based on mailboxes, answer Y. - -config ARM_SCMI_TRANSPORT_OPTEE - bool "SCMI transport based on OP-TEE service" - depends on OPTEE=y || OPTEE=ARM_SCMI_PROTOCOL - select ARM_SCMI_HAVE_TRANSPORT - select ARM_SCMI_HAVE_SHMEM - select ARM_SCMI_HAVE_MSG - default y - help - This enables the OP-TEE service based transport for SCMI. - - If you want the ARM SCMI PROTOCOL stack to include support for a - transport based on OP-TEE SCMI service, answer Y. - -config ARM_SCMI_TRANSPORT_SMC - bool "SCMI transport based on SMC" - depends on HAVE_ARM_SMCCC_DISCOVERY - select ARM_SCMI_HAVE_TRANSPORT - select ARM_SCMI_HAVE_SHMEM - default y - help - Enable SMC based transport for SCMI. - - If you want the ARM SCMI PROTOCOL stack to include support for a - transport based on SMC, answer Y. - -config ARM_SCMI_TRANSPORT_SMC_ATOMIC_ENABLE - bool "Enable atomic mode support for SCMI SMC transport" - depends on ARM_SCMI_TRANSPORT_SMC - help - Enable support of atomic operation for SCMI SMC based transport. - - If you want the SCMI SMC based transport to operate in atomic - mode, avoiding any kind of sleeping behaviour for selected - transactions on the TX path, answer Y. - Enabling atomic mode operations allows any SCMI driver using this - transport to optionally ask for atomic SCMI transactions and operate - in atomic context too, at the price of using a number of busy-waiting - primitives all over instead. If unsure say N. - -config ARM_SCMI_TRANSPORT_VIRTIO - bool "SCMI transport based on VirtIO" - depends on VIRTIO=y || VIRTIO=ARM_SCMI_PROTOCOL - select ARM_SCMI_HAVE_TRANSPORT - select ARM_SCMI_HAVE_MSG - help - This enables the virtio based transport for SCMI. - - If you want the ARM SCMI PROTOCOL stack to include support for a - transport based on VirtIO, answer Y. - -config ARM_SCMI_TRANSPORT_VIRTIO_VERSION1_COMPLIANCE - bool "SCMI VirtIO transport Version 1 compliance" - depends on ARM_SCMI_TRANSPORT_VIRTIO - default y - help - This enforces strict compliance with VirtIO Version 1 specification. - - If you want the ARM SCMI VirtIO transport layer to refuse to work - with Legacy VirtIO backends and instead support only VirtIO Version 1 - devices (or above), answer Y. - - If you want instead to support also old Legacy VirtIO backends (like - the ones implemented by kvmtool) and let the core Kernel VirtIO layer - take care of the needed conversions, say N. - -config ARM_SCMI_TRANSPORT_VIRTIO_ATOMIC_ENABLE - bool "Enable atomic mode for SCMI VirtIO transport" - depends on ARM_SCMI_TRANSPORT_VIRTIO +config ARM_SCMI_DEBUG_COUNTERS + bool "Enable SCMI communication debug metrics tracking" + select ARM_SCMI_NEED_DEBUGFS + depends on DEBUG_FS + default n help - Enable support of atomic operation for SCMI VirtIO based transport. + Enables tracking of some key communication metrics for debug + purposes. It may track metrics like how many messages were sent + or received, were there any failures, what kind of failures, ..etc. - If you want the SCMI VirtIO based transport to operate in atomic - mode, avoiding any kind of sleeping behaviour for selected - transactions on the TX path, answer Y. + Enable this option to create a new debugfs directory which contains + such useful debug counters. This can be helpful for debugging and + SCMI monitoring. - Enabling atomic mode operations allows any SCMI driver using this - transport to optionally ask for atomic SCMI transactions and operate - in atomic context too, at the price of using a number of busy-waiting - primitives all over instead. If unsure say N. +source "drivers/firmware/arm_scmi/transports/Kconfig" +source "drivers/firmware/arm_scmi/vendors/imx/Kconfig" endif #ARM_SCMI_PROTOCOL diff --git a/drivers/firmware/arm_scmi/Makefile b/drivers/firmware/arm_scmi/Makefile index fd59f58ce8a2..9ac81adff567 100644 --- a/drivers/firmware/arm_scmi/Makefile +++ b/drivers/firmware/arm_scmi/Makefile @@ -5,23 +5,15 @@ scmi-core-objs := $(scmi-bus-y) scmi-driver-y = driver.o notify.o scmi-driver-$(CONFIG_ARM_SCMI_RAW_MODE_SUPPORT) += raw_mode.o scmi-transport-$(CONFIG_ARM_SCMI_HAVE_SHMEM) = shmem.o -scmi-transport-$(CONFIG_ARM_SCMI_TRANSPORT_MAILBOX) += mailbox.o -scmi-transport-$(CONFIG_ARM_SCMI_TRANSPORT_SMC) += smc.o scmi-transport-$(CONFIG_ARM_SCMI_HAVE_MSG) += msg.o -scmi-transport-$(CONFIG_ARM_SCMI_TRANSPORT_VIRTIO) += virtio.o -scmi-transport-$(CONFIG_ARM_SCMI_TRANSPORT_OPTEE) += optee.o scmi-protocols-y := base.o clock.o perf.o power.o reset.o sensors.o system.o voltage.o powercap.o scmi-protocols-y += pinctrl.o scmi-module-objs := $(scmi-driver-y) $(scmi-protocols-y) $(scmi-transport-y) +obj-$(CONFIG_ARM_SCMI_PROTOCOL) += transports/ +obj-$(CONFIG_ARM_SCMI_PROTOCOL) += vendors/imx/ + obj-$(CONFIG_ARM_SCMI_PROTOCOL) += scmi-core.o obj-$(CONFIG_ARM_SCMI_PROTOCOL) += scmi-module.o obj-$(CONFIG_ARM_SCMI_POWER_CONTROL) += scmi_power_control.o - -ifeq ($(CONFIG_THUMB2_KERNEL)$(CONFIG_CC_IS_CLANG),yy) -# The use of R7 in the SMCCC conflicts with the compiler's use of R7 as a frame -# pointer in Thumb2 mode, which is forcibly enabled by Clang when profiling -# hooks are inserted via the -pg switch. -CFLAGS_REMOVE_smc.o += $(CC_FLAGS_FTRACE) -endif diff --git a/drivers/firmware/arm_scmi/base.c b/drivers/firmware/arm_scmi/base.c index 97254de35ab0..86b376c50a13 100644 --- a/drivers/firmware/arm_scmi/base.c +++ b/drivers/firmware/arm_scmi/base.c @@ -14,7 +14,7 @@ #include "notify.h" /* Updated only after ALL the mandatory features for that version are merged */ -#define SCMI_PROTOCOL_SUPPORTED_VERSION 0x20000 +#define SCMI_PROTOCOL_SUPPORTED_VERSION 0x20001 #define SCMI_BASE_NUM_SOURCES 1 #define SCMI_BASE_MAX_CMD_ERR_COUNT 1024 @@ -42,7 +42,6 @@ struct scmi_msg_resp_base_discover_agent { u8 name[SCMI_SHORT_NAME_MAX_SIZE]; }; - struct scmi_msg_base_error_notify { __le32 event_control; #define BASE_TP_NOTIFY_ALL BIT(0) @@ -105,7 +104,6 @@ scmi_base_vendor_id_get(const struct scmi_protocol_handle *ph, bool sub_vendor) struct scmi_xfer *t; struct scmi_revision_info *rev = ph->get_priv(ph); - if (sub_vendor) { cmd = BASE_DISCOVER_SUB_VENDOR; vendor_id = rev->sub_vendor_id; @@ -386,7 +384,7 @@ static int scmi_base_protocol_init(const struct scmi_protocol_handle *ph) if (ret) return ret; - rev->major_ver = PROTOCOL_REV_MAJOR(version), + rev->major_ver = PROTOCOL_REV_MAJOR(version); rev->minor_ver = PROTOCOL_REV_MINOR(version); ph->set_priv(ph, rev, version); diff --git a/drivers/firmware/arm_scmi/clock.c b/drivers/firmware/arm_scmi/clock.c index 134019297d08..2ed2279388f0 100644 --- a/drivers/firmware/arm_scmi/clock.c +++ b/drivers/firmware/arm_scmi/clock.c @@ -365,6 +365,7 @@ static int scmi_clock_attributes_get(const struct scmi_protocol_handle *ph, ret = ph->xops->do_xfer(ph, t); if (!ret) { u32 latency = 0; + attributes = le32_to_cpu(attr->attributes); strscpy(clk->name, attr->name, SCMI_SHORT_NAME_MAX_SIZE); /* clock_enable_latency field is present only since SCMI v3.1 */ diff --git a/drivers/firmware/arm_scmi/common.h b/drivers/firmware/arm_scmi/common.h index 4b8c5250cdb5..6d9227db473f 100644 --- a/drivers/firmware/arm_scmi/common.h +++ b/drivers/firmware/arm_scmi/common.h @@ -4,7 +4,7 @@ * driver common header file containing some definitions, structures * and function prototypes used in all the different SCMI protocols. * - * Copyright (C) 2018-2022 ARM Ltd. + * Copyright (C) 2018-2024 ARM Ltd. */ #ifndef _SCMI_COMMON_H #define _SCMI_COMMON_H @@ -183,7 +183,6 @@ struct scmi_chan_info { /** * struct scmi_transport_ops - Structure representing a SCMI transport ops * - * @link_supplier: Optional callback to add link to a supplier device * @chan_available: Callback to check if channel is available or not * @chan_setup: Callback to allocate and setup a channel * @chan_free: Callback to free a channel @@ -198,7 +197,6 @@ struct scmi_chan_info { * @poll_done: Callback to poll transfer status */ struct scmi_transport_ops { - int (*link_supplier)(struct device *dev); bool (*chan_available)(struct device_node *of_node, int idx); int (*chan_setup)(struct scmi_chan_info *cinfo, struct device *dev, bool tx); @@ -219,12 +217,6 @@ struct scmi_transport_ops { /** * struct scmi_desc - Description of SoC integration * - * @transport_init: An optional function that a transport can provide to - * initialize some transport-specific setup during SCMI core - * initialization, so ahead of SCMI core probing. - * @transport_exit: An optional function that a transport can provide to - * de-initialize some transport-specific setup during SCMI core - * de-initialization, so after SCMI core removal. * @ops: Pointer to the transport specific ops structure * @max_rx_timeout_ms: Timeout for communication with SoC (in Milliseconds) * @max_msg: Maximum number of messages for a channel type (tx or rx) that can @@ -245,8 +237,6 @@ struct scmi_transport_ops { * when requested. */ struct scmi_desc { - int (*transport_init)(void); - void (*transport_exit)(void); const struct scmi_transport_ops *ops; int max_rx_timeout_ms; int max_msg; @@ -286,20 +276,30 @@ int scmi_xfer_raw_inflight_register(const struct scmi_handle *handle, int scmi_xfer_raw_wait_for_message_response(struct scmi_chan_info *cinfo, struct scmi_xfer *xfer, unsigned int timeout_ms); -#ifdef CONFIG_ARM_SCMI_TRANSPORT_MAILBOX -extern const struct scmi_desc scmi_mailbox_desc; -#endif -#ifdef CONFIG_ARM_SCMI_TRANSPORT_SMC -extern const struct scmi_desc scmi_smc_desc; -#endif -#ifdef CONFIG_ARM_SCMI_TRANSPORT_VIRTIO -extern const struct scmi_desc scmi_virtio_desc; -#endif -#ifdef CONFIG_ARM_SCMI_TRANSPORT_OPTEE -extern const struct scmi_desc scmi_optee_desc; -#endif - -void scmi_rx_callback(struct scmi_chan_info *cinfo, u32 msg_hdr, void *priv); + +enum debug_counters { + SENT_OK, + SENT_FAIL, + SENT_FAIL_POLLING_UNSUPPORTED, + SENT_FAIL_CHANNEL_NOT_FOUND, + RESPONSE_OK, + NOTIFICATION_OK, + DELAYED_RESPONSE_OK, + XFERS_RESPONSE_TIMEOUT, + XFERS_RESPONSE_POLLED_TIMEOUT, + RESPONSE_POLLED_OK, + ERR_MSG_UNEXPECTED, + ERR_MSG_INVALID, + ERR_MSG_NOMEM, + ERR_PROTOCOL, + SCMI_DEBUG_COUNTERS_LAST +}; + +static inline void scmi_inc_count(atomic_t *arr, int stat) +{ + if (IS_ENABLED(CONFIG_ARM_SCMI_DEBUG_COUNTERS)) + atomic_inc(&arr[stat]); +} enum scmi_bad_msg { MSG_UNEXPECTED = -1, @@ -309,24 +309,44 @@ enum scmi_bad_msg { MSG_MBOX_SPURIOUS = -5, }; -void scmi_bad_message_trace(struct scmi_chan_info *cinfo, u32 msg_hdr, - enum scmi_bad_msg err); - /* shmem related declarations */ struct scmi_shared_mem; -void shmem_tx_prepare(struct scmi_shared_mem __iomem *shmem, - struct scmi_xfer *xfer, struct scmi_chan_info *cinfo); -u32 shmem_read_header(struct scmi_shared_mem __iomem *shmem); -void shmem_fetch_response(struct scmi_shared_mem __iomem *shmem, +/** + * struct scmi_shared_mem_operations - Transport core operations for + * Shared Memory + * + * @tx_prepare: Prepare the @xfer message for transmission on the chosen @shmem + * @read_header: Read header of the message currently hold in @shmem + * @fetch_response: Copy the message response from @shmem into @xfer + * @fetch_notification: Copy the message notification from @shmem into @xfer + * @clear_channel: Clear the @shmem channel busy flag + * @poll_done: Check if poll has completed for @xfer on @shmem + * @channel_free: Check if @shmem channel is marked as free + * @channel_intr_enabled: Check is @shmem channel has requested a completion irq + * @setup_iomap: Setup IO shared memory for channel @cinfo + */ +struct scmi_shared_mem_operations { + void (*tx_prepare)(struct scmi_shared_mem __iomem *shmem, + struct scmi_xfer *xfer, + struct scmi_chan_info *cinfo); + u32 (*read_header)(struct scmi_shared_mem __iomem *shmem); + + void (*fetch_response)(struct scmi_shared_mem __iomem *shmem, + struct scmi_xfer *xfer); + void (*fetch_notification)(struct scmi_shared_mem __iomem *shmem, + size_t max_len, struct scmi_xfer *xfer); + void (*clear_channel)(struct scmi_shared_mem __iomem *shmem); + bool (*poll_done)(struct scmi_shared_mem __iomem *shmem, struct scmi_xfer *xfer); -void shmem_fetch_notification(struct scmi_shared_mem __iomem *shmem, - size_t max_len, struct scmi_xfer *xfer); -void shmem_clear_channel(struct scmi_shared_mem __iomem *shmem); -bool shmem_poll_done(struct scmi_shared_mem __iomem *shmem, - struct scmi_xfer *xfer); -bool shmem_channel_free(struct scmi_shared_mem __iomem *shmem); -bool shmem_channel_intr_enabled(struct scmi_shared_mem __iomem *shmem); + bool (*channel_free)(struct scmi_shared_mem __iomem *shmem); + bool (*channel_intr_enabled)(struct scmi_shared_mem __iomem *shmem); + void __iomem *(*setup_iomap)(struct scmi_chan_info *cinfo, + struct device *dev, + bool tx, struct resource *res); +}; + +const struct scmi_shared_mem_operations *scmi_shared_mem_operations_get(void); /* declarations for message passing transports */ struct scmi_msg_payld; @@ -334,14 +354,108 @@ struct scmi_msg_payld; /* Maximum overhead of message w.r.t. struct scmi_desc.max_msg_size */ #define SCMI_MSG_MAX_PROT_OVERHEAD (2 * sizeof(__le32)) -size_t msg_response_size(struct scmi_xfer *xfer); -size_t msg_command_size(struct scmi_xfer *xfer); -void msg_tx_prepare(struct scmi_msg_payld *msg, struct scmi_xfer *xfer); -u32 msg_read_header(struct scmi_msg_payld *msg); -void msg_fetch_response(struct scmi_msg_payld *msg, size_t len, - struct scmi_xfer *xfer); -void msg_fetch_notification(struct scmi_msg_payld *msg, size_t len, - size_t max_len, struct scmi_xfer *xfer); +/** + * struct scmi_message_operations - Transport core operations for Message + * + * @response_size: Get calculated response size for @xfer + * @command_size: Get calculated command size for @xfer + * @tx_prepare: Prepare the @xfer message for transmission on the provided @msg + * @read_header: Read header of the message currently hold in @msg + * @fetch_response: Copy the message response from @msg into @xfer + * @fetch_notification: Copy the message notification from @msg into @xfer + */ +struct scmi_message_operations { + size_t (*response_size)(struct scmi_xfer *xfer); + size_t (*command_size)(struct scmi_xfer *xfer); + void (*tx_prepare)(struct scmi_msg_payld *msg, struct scmi_xfer *xfer); + u32 (*read_header)(struct scmi_msg_payld *msg); + void (*fetch_response)(struct scmi_msg_payld *msg, size_t len, + struct scmi_xfer *xfer); + void (*fetch_notification)(struct scmi_msg_payld *msg, size_t len, + size_t max_len, struct scmi_xfer *xfer); +}; + +const struct scmi_message_operations *scmi_message_operations_get(void); + +/** + * struct scmi_transport_core_operations - Transpoert core operations + * + * @bad_message_trace: An helper to report a malformed/unexpected message + * @rx_callback: Callback to report received messages + * @shmem: Datagram operations for shared memory based transports + * @msg: Datagram operations for message based transports + */ +struct scmi_transport_core_operations { + void (*bad_message_trace)(struct scmi_chan_info *cinfo, + u32 msg_hdr, enum scmi_bad_msg err); + void (*rx_callback)(struct scmi_chan_info *cinfo, u32 msg_hdr, + void *priv); + const struct scmi_shared_mem_operations *shmem; + const struct scmi_message_operations *msg; +}; + +/** + * struct scmi_transport - A structure representing a configured transport + * + * @supplier: Device representing the transport and acting as a supplier for + * the core SCMI stack + * @desc: Transport descriptor + * @core_ops: A pointer to a pointer used by the core SCMI stack to make the + * core transport operations accessible to the transports. + */ +struct scmi_transport { + struct device *supplier; + struct scmi_desc *desc; + struct scmi_transport_core_operations **core_ops; +}; + +#define DEFINE_SCMI_TRANSPORT_DRIVER(__tag, __drv, __desc, __match, __core_ops)\ +static void __tag##_dev_free(void *data) \ +{ \ + struct platform_device *spdev = data; \ + \ + platform_device_unregister(spdev); \ +} \ + \ +static int __tag##_probe(struct platform_device *pdev) \ +{ \ + struct device *dev = &pdev->dev; \ + struct platform_device *spdev; \ + struct scmi_transport strans; \ + int ret; \ + \ + spdev = platform_device_alloc("arm-scmi", PLATFORM_DEVID_AUTO); \ + if (!spdev) \ + return -ENOMEM; \ + \ + device_set_of_node_from_dev(&spdev->dev, dev); \ + \ + strans.supplier = dev; \ + strans.desc = &(__desc); \ + strans.core_ops = &(__core_ops); \ + \ + ret = platform_device_add_data(spdev, &strans, sizeof(strans)); \ + if (ret) \ + goto err; \ + \ + ret = platform_device_add(spdev); \ + if (ret) \ + goto err; \ + \ + return devm_add_action_or_reset(dev, __tag##_dev_free, spdev); \ + \ +err: \ + platform_device_put(spdev); \ + return ret; \ +} \ + \ +static struct platform_driver __drv = { \ + .driver = { \ + .name = #__tag "_transport", \ + .of_match_table = __match, \ + }, \ + .probe = __tag##_probe, \ +} void scmi_notification_instance_data_set(const struct scmi_handle *handle, void *priv); diff --git a/drivers/firmware/arm_scmi/driver.c b/drivers/firmware/arm_scmi/driver.c index 6b6957f4743f..69c15135371c 100644 --- a/drivers/firmware/arm_scmi/driver.c +++ b/drivers/firmware/arm_scmi/driver.c @@ -11,7 +11,7 @@ * various power domain DVFS including the core/cluster, certain system * clocks configuration, thermal sensors and many others. * - * Copyright (C) 2018-2021 ARM Ltd. + * Copyright (C) 2018-2024 ARM Ltd. */ #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt @@ -117,12 +117,14 @@ struct scmi_protocol_instance { * @name: Name of this SCMI instance * @type: Type of this SCMI instance * @is_atomic: Flag to state if the transport of this instance is atomic + * @counters: An array of atomic_c's used for tracking statistics (if enabled) */ struct scmi_debug_info { struct dentry *top_dentry; const char *name; const char *type; bool is_atomic; + atomic_t counters[SCMI_DEBUG_COUNTERS_LAST]; }; /** @@ -194,6 +196,16 @@ struct scmi_info { #define bus_nb_to_scmi_info(nb) container_of(nb, struct scmi_info, bus_nb) #define req_nb_to_scmi_info(nb) container_of(nb, struct scmi_info, dev_req_nb) +static void scmi_rx_callback(struct scmi_chan_info *cinfo, + u32 msg_hdr, void *priv); +static void scmi_bad_message_trace(struct scmi_chan_info *cinfo, + u32 msg_hdr, enum scmi_bad_msg err); + +static struct scmi_transport_core_operations scmi_trans_core_ops = { + .bad_message_trace = scmi_bad_message_trace, + .rx_callback = scmi_rx_callback, +}; + static unsigned long scmi_vendor_protocol_signature(unsigned int protocol_id, char *vendor_id, char *sub_vendor_id, u32 impl_ver) @@ -833,8 +845,8 @@ scmi_xfer_lookup_unlocked(struct scmi_xfers_info *minfo, u16 xfer_id) * timed-out message that arrives and as such, can be traced only referring to * the header content, since the payload is missing/unreliable. */ -void scmi_bad_message_trace(struct scmi_chan_info *cinfo, u32 msg_hdr, - enum scmi_bad_msg err) +static void scmi_bad_message_trace(struct scmi_chan_info *cinfo, u32 msg_hdr, + enum scmi_bad_msg err) { char *tag; struct scmi_info *info = handle_to_scmi_info(cinfo->handle); @@ -988,6 +1000,7 @@ scmi_xfer_command_acquire(struct scmi_chan_info *cinfo, u32 msg_hdr) spin_unlock_irqrestore(&minfo->xfer_lock, flags); scmi_bad_message_trace(cinfo, msg_hdr, MSG_UNEXPECTED); + scmi_inc_count(info->dbg->counters, ERR_MSG_UNEXPECTED); return xfer; } @@ -1015,6 +1028,7 @@ scmi_xfer_command_acquire(struct scmi_chan_info *cinfo, u32 msg_hdr) msg_type, xfer_id, msg_hdr, xfer->state); scmi_bad_message_trace(cinfo, msg_hdr, MSG_INVALID); + scmi_inc_count(info->dbg->counters, ERR_MSG_INVALID); /* On error the refcount incremented above has to be dropped */ __scmi_xfer_put(minfo, xfer); @@ -1054,6 +1068,7 @@ static void scmi_handle_notification(struct scmi_chan_info *cinfo, PTR_ERR(xfer)); scmi_bad_message_trace(cinfo, msg_hdr, MSG_NOMEM); + scmi_inc_count(info->dbg->counters, ERR_MSG_NOMEM); scmi_clear_channel(info, cinfo); return; @@ -1069,6 +1084,7 @@ static void scmi_handle_notification(struct scmi_chan_info *cinfo, trace_scmi_msg_dump(info->id, cinfo->id, xfer->hdr.protocol_id, xfer->hdr.id, "NOTI", xfer->hdr.seq, xfer->hdr.status, xfer->rx.buf, xfer->rx.len); + scmi_inc_count(info->dbg->counters, NOTIFICATION_OK); scmi_notify(cinfo->handle, xfer->hdr.protocol_id, xfer->hdr.id, xfer->rx.buf, xfer->rx.len, ts); @@ -1128,8 +1144,10 @@ static void scmi_handle_response(struct scmi_chan_info *cinfo, if (xfer->hdr.type == MSG_TYPE_DELAYED_RESP) { scmi_clear_channel(info, cinfo); complete(xfer->async_done); + scmi_inc_count(info->dbg->counters, DELAYED_RESPONSE_OK); } else { complete(&xfer->done); + scmi_inc_count(info->dbg->counters, RESPONSE_OK); } if (IS_ENABLED(CONFIG_ARM_SCMI_RAW_MODE_SUPPORT)) { @@ -1160,7 +1178,8 @@ static void scmi_handle_response(struct scmi_chan_info *cinfo, * NOTE: This function will be invoked in IRQ context, hence should be * as optimal as possible. */ -void scmi_rx_callback(struct scmi_chan_info *cinfo, u32 msg_hdr, void *priv) +static void scmi_rx_callback(struct scmi_chan_info *cinfo, u32 msg_hdr, + void *priv) { u8 msg_type = MSG_XTRACT_TYPE(msg_hdr); @@ -1213,6 +1232,7 @@ static int scmi_wait_for_reply(struct device *dev, const struct scmi_desc *desc, struct scmi_xfer *xfer, unsigned int timeout_ms) { int ret = 0; + struct scmi_info *info = handle_to_scmi_info(cinfo->handle); if (xfer->hdr.poll_completion) { /* @@ -1233,13 +1253,12 @@ static int scmi_wait_for_reply(struct device *dev, const struct scmi_desc *desc, "timed out in resp(caller: %pS) - polling\n", (void *)_RET_IP_); ret = -ETIMEDOUT; + scmi_inc_count(info->dbg->counters, XFERS_RESPONSE_POLLED_TIMEOUT); } } if (!ret) { unsigned long flags; - struct scmi_info *info = - handle_to_scmi_info(cinfo->handle); /* * Do not fetch_response if an out-of-order delayed @@ -1259,11 +1278,9 @@ static int scmi_wait_for_reply(struct device *dev, const struct scmi_desc *desc, "RESP" : "resp", xfer->hdr.seq, xfer->hdr.status, xfer->rx.buf, xfer->rx.len); + scmi_inc_count(info->dbg->counters, RESPONSE_POLLED_OK); if (IS_ENABLED(CONFIG_ARM_SCMI_RAW_MODE_SUPPORT)) { - struct scmi_info *info = - handle_to_scmi_info(cinfo->handle); - scmi_raw_message_report(info->raw, xfer, SCMI_RAW_REPLY_QUEUE, cinfo->id); @@ -1276,6 +1293,7 @@ static int scmi_wait_for_reply(struct device *dev, const struct scmi_desc *desc, dev_err(dev, "timed out in resp(caller: %pS)\n", (void *)_RET_IP_); ret = -ETIMEDOUT; + scmi_inc_count(info->dbg->counters, XFERS_RESPONSE_TIMEOUT); } } @@ -1359,13 +1377,15 @@ static int do_xfer(const struct scmi_protocol_handle *ph, !is_transport_polling_capable(info->desc)) { dev_warn_once(dev, "Polling mode is not supported by transport.\n"); + scmi_inc_count(info->dbg->counters, SENT_FAIL_POLLING_UNSUPPORTED); return -EINVAL; } cinfo = idr_find(&info->tx_idr, pi->proto->id); - if (unlikely(!cinfo)) + if (unlikely(!cinfo)) { + scmi_inc_count(info->dbg->counters, SENT_FAIL_CHANNEL_NOT_FOUND); return -EINVAL; - + } /* True ONLY if also supported by transport. */ if (is_polling_enabled(cinfo, info->desc)) xfer->hdr.poll_completion = true; @@ -1397,16 +1417,20 @@ static int do_xfer(const struct scmi_protocol_handle *ph, ret = info->desc->ops->send_message(cinfo, xfer); if (ret < 0) { dev_dbg(dev, "Failed to send message %d\n", ret); + scmi_inc_count(info->dbg->counters, SENT_FAIL); return ret; } trace_scmi_msg_dump(info->id, cinfo->id, xfer->hdr.protocol_id, xfer->hdr.id, "CMND", xfer->hdr.seq, xfer->hdr.status, xfer->tx.buf, xfer->tx.len); + scmi_inc_count(info->dbg->counters, SENT_OK); ret = scmi_wait_for_message_response(cinfo, xfer); - if (!ret && xfer->hdr.status) + if (!ret && xfer->hdr.status) { ret = scmi_to_linux_errno(xfer->hdr.status); + scmi_inc_count(info->dbg->counters, ERR_PROTOCOL); + } if (info->desc->ops->mark_txdone) info->desc->ops->mark_txdone(cinfo, ret, xfer); @@ -2708,14 +2732,14 @@ scmi_txrx_setup(struct scmi_info *info, struct device_node *of_node, static int scmi_channels_setup(struct scmi_info *info) { int ret; - struct device_node *child, *top_np = info->dev->of_node; + struct device_node *top_np = info->dev->of_node; /* Initialize a common generic channel at first */ ret = scmi_txrx_setup(info, top_np, SCMI_PROTOCOL_BASE); if (ret) return ret; - for_each_available_child_of_node(top_np, child) { + for_each_available_child_of_node_scoped(top_np, child) { u32 prot_id; if (of_property_read_u32(child, "reg", &prot_id)) @@ -2726,10 +2750,8 @@ static int scmi_channels_setup(struct scmi_info *info) "Out of range protocol %d\n", prot_id); ret = scmi_txrx_setup(info, child, prot_id); - if (ret) { - of_node_put(child); + if (ret) return ret; - } } return 0; @@ -2833,6 +2855,56 @@ static int scmi_device_request_notifier(struct notifier_block *nb, return NOTIFY_OK; } +static const char * const dbg_counter_strs[] = { + "sent_ok", + "sent_fail", + "sent_fail_polling_unsupported", + "sent_fail_channel_not_found", + "response_ok", + "notification_ok", + "delayed_response_ok", + "xfers_response_timeout", + "xfers_response_polled_timeout", + "response_polled_ok", + "err_msg_unexpected", + "err_msg_invalid", + "err_msg_nomem", + "err_protocol", +}; + +static ssize_t reset_all_on_write(struct file *filp, const char __user *buf, + size_t count, loff_t *ppos) +{ + struct scmi_debug_info *dbg = filp->private_data; + + for (int i = 0; i < SCMI_DEBUG_COUNTERS_LAST; i++) + atomic_set(&dbg->counters[i], 0); + + return count; +} + +static const struct file_operations fops_reset_counts = { + .owner = THIS_MODULE, + .open = simple_open, + .llseek = no_llseek, + .write = reset_all_on_write, +}; + +static void scmi_debugfs_counters_setup(struct scmi_debug_info *dbg, + struct dentry *trans) +{ + struct dentry *counters; + int idx; + + counters = debugfs_create_dir("counters", trans); + + for (idx = 0; idx < SCMI_DEBUG_COUNTERS_LAST; idx++) + debugfs_create_atomic_t(dbg_counter_strs[idx], 0600, counters, + &dbg->counters[idx]); + + debugfs_create_file("reset", 0200, counters, dbg, &fops_reset_counts); +} + static void scmi_debugfs_common_cleanup(void *d) { struct scmi_debug_info *dbg = d; @@ -2899,6 +2971,9 @@ static struct scmi_debug_info *scmi_debugfs_common_setup(struct scmi_info *info) debugfs_create_u32("rx_max_msg", 0400, trans, (u32 *)&info->rx_minfo.max_msg); + if (IS_ENABLED(CONFIG_ARM_SCMI_DEBUG_COUNTERS)) + scmi_debugfs_counters_setup(dbg, trans); + dbg->top_dentry = top_dentry; if (devm_add_action_or_reset(info->dev, @@ -2950,6 +3025,37 @@ static int scmi_debugfs_raw_mode_setup(struct scmi_info *info) return ret; } +static const struct scmi_desc *scmi_transport_setup(struct device *dev) +{ + struct scmi_transport *trans; + int ret; + + trans = dev_get_platdata(dev); + if (!trans || !trans->desc || !trans->supplier || !trans->core_ops) + return NULL; + + if (!device_link_add(dev, trans->supplier, DL_FLAG_AUTOREMOVE_CONSUMER)) { + dev_err(dev, + "Adding link to supplier transport device failed\n"); + return NULL; + } + + /* Provide core transport ops */ + *trans->core_ops = &scmi_trans_core_ops; + + dev_info(dev, "Using %s\n", dev_driver_string(trans->supplier)); + + ret = of_property_read_u32(dev->of_node, "max-rx-timeout-ms", + &trans->desc->max_rx_timeout_ms); + if (ret && ret != -EINVAL) + dev_err(dev, "Malformed max-rx-timeout-ms DT property.\n"); + + dev_info(dev, "SCMI max-rx-timeout: %dms\n", + trans->desc->max_rx_timeout_ms); + + return trans->desc; +} + static int scmi_probe(struct platform_device *pdev) { int ret; @@ -2961,9 +3067,12 @@ static int scmi_probe(struct platform_device *pdev) struct device *dev = &pdev->dev; struct device_node *child, *np = dev->of_node; - desc = of_device_get_match_data(dev); - if (!desc) - return -EINVAL; + desc = scmi_transport_setup(dev); + if (!desc) { + err_str = "transport invalid\n"; + ret = -EINVAL; + goto out_err; + } info = devm_kzalloc(dev, sizeof(*info), GFP_KERNEL); if (!info) @@ -3002,14 +3111,6 @@ static int scmi_probe(struct platform_device *pdev) info->atomic_threshold); handle->is_transport_atomic = scmi_is_transport_atomic; - if (desc->ops->link_supplier) { - ret = desc->ops->link_supplier(dev); - if (ret) { - err_str = "transport not ready\n"; - goto clear_ida; - } - } - /* Setup all channels described in the DT at first */ ret = scmi_channels_setup(info); if (ret) { @@ -3130,6 +3231,7 @@ clear_txrx_setup: clear_ida: ida_free(&scmi_id, info->id); +out_err: return dev_err_probe(dev, ret, "%s", err_str); } @@ -3215,86 +3317,16 @@ static struct attribute *versions_attrs[] = { }; ATTRIBUTE_GROUPS(versions); -/* Each compatible listed below must have descriptor associated with it */ -static const struct of_device_id scmi_of_match[] = { -#ifdef CONFIG_ARM_SCMI_TRANSPORT_MAILBOX - { .compatible = "arm,scmi", .data = &scmi_mailbox_desc }, -#endif -#ifdef CONFIG_ARM_SCMI_TRANSPORT_OPTEE - { .compatible = "linaro,scmi-optee", .data = &scmi_optee_desc }, -#endif -#ifdef CONFIG_ARM_SCMI_TRANSPORT_SMC - { .compatible = "arm,scmi-smc", .data = &scmi_smc_desc}, - { .compatible = "arm,scmi-smc-param", .data = &scmi_smc_desc}, - { .compatible = "qcom,scmi-smc", .data = &scmi_smc_desc}, -#endif -#ifdef CONFIG_ARM_SCMI_TRANSPORT_VIRTIO - { .compatible = "arm,scmi-virtio", .data = &scmi_virtio_desc}, -#endif - { /* Sentinel */ }, -}; - -MODULE_DEVICE_TABLE(of, scmi_of_match); - static struct platform_driver scmi_driver = { .driver = { .name = "arm-scmi", .suppress_bind_attrs = true, - .of_match_table = scmi_of_match, .dev_groups = versions_groups, }, .probe = scmi_probe, .remove_new = scmi_remove, }; -/** - * __scmi_transports_setup - Common helper to call transport-specific - * .init/.exit code if provided. - * - * @init: A flag to distinguish between init and exit. - * - * Note that, if provided, we invoke .init/.exit functions for all the - * transports currently compiled in. - * - * Return: 0 on Success. - */ -static inline int __scmi_transports_setup(bool init) -{ - int ret = 0; - const struct of_device_id *trans; - - for (trans = scmi_of_match; trans->data; trans++) { - const struct scmi_desc *tdesc = trans->data; - - if ((init && !tdesc->transport_init) || - (!init && !tdesc->transport_exit)) - continue; - - if (init) - ret = tdesc->transport_init(); - else - tdesc->transport_exit(); - - if (ret) { - pr_err("SCMI transport %s FAILED initialization!\n", - trans->compatible); - break; - } - } - - return ret; -} - -static int __init scmi_transports_init(void) -{ - return __scmi_transports_setup(true); -} - -static void __exit scmi_transports_exit(void) -{ - __scmi_transports_setup(false); -} - static struct dentry *scmi_debugfs_init(void) { struct dentry *d; @@ -3310,16 +3342,15 @@ static struct dentry *scmi_debugfs_init(void) static int __init scmi_driver_init(void) { - int ret; - /* Bail out if no SCMI transport was configured */ if (WARN_ON(!IS_ENABLED(CONFIG_ARM_SCMI_HAVE_TRANSPORT))) return -EINVAL; - /* Initialize any compiled-in transport which provided an init/exit */ - ret = scmi_transports_init(); - if (ret) - return ret; + if (IS_ENABLED(CONFIG_ARM_SCMI_HAVE_SHMEM)) + scmi_trans_core_ops.shmem = scmi_shared_mem_operations_get(); + + if (IS_ENABLED(CONFIG_ARM_SCMI_HAVE_MSG)) + scmi_trans_core_ops.msg = scmi_message_operations_get(); if (IS_ENABLED(CONFIG_ARM_SCMI_NEED_DEBUGFS)) scmi_top_dentry = scmi_debugfs_init(); @@ -3354,8 +3385,6 @@ static void __exit scmi_driver_exit(void) scmi_powercap_unregister(); scmi_pinctrl_unregister(); - scmi_transports_exit(); - platform_driver_unregister(&scmi_driver); debugfs_remove_recursive(scmi_top_dentry); diff --git a/drivers/firmware/arm_scmi/msg.c b/drivers/firmware/arm_scmi/msg.c index d33a704e5814..2cc74e6bbd72 100644 --- a/drivers/firmware/arm_scmi/msg.c +++ b/drivers/firmware/arm_scmi/msg.c @@ -4,7 +4,7 @@ * * Derived from shm.c. * - * Copyright (C) 2019-2021 ARM Ltd. + * Copyright (C) 2019-2024 ARM Ltd. * Copyright (C) 2020-2021 OpenSynergy GmbH */ @@ -30,7 +30,7 @@ struct scmi_msg_payld { * * Return: transport SDU size. */ -size_t msg_command_size(struct scmi_xfer *xfer) +static size_t msg_command_size(struct scmi_xfer *xfer) { return sizeof(struct scmi_msg_payld) + xfer->tx.len; } @@ -42,7 +42,7 @@ size_t msg_command_size(struct scmi_xfer *xfer) * * Return: transport SDU size. */ -size_t msg_response_size(struct scmi_xfer *xfer) +static size_t msg_response_size(struct scmi_xfer *xfer) { return sizeof(struct scmi_msg_payld) + sizeof(__le32) + xfer->rx.len; } @@ -53,7 +53,7 @@ size_t msg_response_size(struct scmi_xfer *xfer) * @msg: transport SDU for command * @xfer: message which is being sent */ -void msg_tx_prepare(struct scmi_msg_payld *msg, struct scmi_xfer *xfer) +static void msg_tx_prepare(struct scmi_msg_payld *msg, struct scmi_xfer *xfer) { msg->msg_header = cpu_to_le32(pack_scmi_header(&xfer->hdr)); if (xfer->tx.buf) @@ -67,7 +67,7 @@ void msg_tx_prepare(struct scmi_msg_payld *msg, struct scmi_xfer *xfer) * * Return: SCMI header */ -u32 msg_read_header(struct scmi_msg_payld *msg) +static u32 msg_read_header(struct scmi_msg_payld *msg) { return le32_to_cpu(msg->msg_header); } @@ -79,8 +79,8 @@ u32 msg_read_header(struct scmi_msg_payld *msg) * @len: transport SDU size * @xfer: message being responded to */ -void msg_fetch_response(struct scmi_msg_payld *msg, size_t len, - struct scmi_xfer *xfer) +static void msg_fetch_response(struct scmi_msg_payld *msg, + size_t len, struct scmi_xfer *xfer) { size_t prefix_len = sizeof(*msg) + sizeof(msg->msg_payload[0]); @@ -100,8 +100,8 @@ void msg_fetch_response(struct scmi_msg_payld *msg, size_t len, * @max_len: maximum SCMI payload size to fetch * @xfer: notification message */ -void msg_fetch_notification(struct scmi_msg_payld *msg, size_t len, - size_t max_len, struct scmi_xfer *xfer) +static void msg_fetch_notification(struct scmi_msg_payld *msg, size_t len, + size_t max_len, struct scmi_xfer *xfer) { xfer->rx.len = min_t(size_t, max_len, len >= sizeof(*msg) ? len - sizeof(*msg) : 0); @@ -109,3 +109,17 @@ void msg_fetch_notification(struct scmi_msg_payld *msg, size_t len, /* Take a copy to the rx buffer.. */ memcpy(xfer->rx.buf, msg->msg_payload, xfer->rx.len); } + +static const struct scmi_message_operations scmi_msg_ops = { + .tx_prepare = msg_tx_prepare, + .command_size = msg_command_size, + .response_size = msg_response_size, + .read_header = msg_read_header, + .fetch_response = msg_fetch_response, + .fetch_notification = msg_fetch_notification, +}; + +const struct scmi_message_operations *scmi_message_operations_get(void) +{ + return &scmi_msg_ops; +} diff --git a/drivers/firmware/arm_scmi/perf.c b/drivers/firmware/arm_scmi/perf.c index 4b7f1cbb9b04..2d77b5f40ca7 100644 --- a/drivers/firmware/arm_scmi/perf.c +++ b/drivers/firmware/arm_scmi/perf.c @@ -310,7 +310,7 @@ scmi_perf_domain_attributes_get(const struct scmi_protocol_handle *ph, } if (!dom_info->mult_factor) dev_warn(ph->dev, - "Wrong sustained perf/frequency(domain %d)\n", + "Wrong sustained perf/frequency(domain %d)\n", dom_info->id); strscpy(dom_info->info.name, attr->name, diff --git a/drivers/firmware/arm_scmi/pinctrl.c b/drivers/firmware/arm_scmi/pinctrl.c index a2a7f880d6a3..3855c98caf06 100644 --- a/drivers/firmware/arm_scmi/pinctrl.c +++ b/drivers/firmware/arm_scmi/pinctrl.c @@ -913,4 +913,5 @@ static const struct scmi_protocol scmi_pinctrl = { .ops = &pinctrl_proto_ops, .supported_version = SCMI_PROTOCOL_SUPPORTED_VERSION, }; + DEFINE_SCMI_PROTOCOL_REGISTER_UNREGISTER(pinctrl, scmi_pinctrl) diff --git a/drivers/firmware/arm_scmi/power.c b/drivers/firmware/arm_scmi/power.c index 49666bd1d8ac..59aa16444c64 100644 --- a/drivers/firmware/arm_scmi/power.c +++ b/drivers/firmware/arm_scmi/power.c @@ -14,7 +14,7 @@ #include "notify.h" /* Updated only after ALL the mandatory features for that version are merged */ -#define SCMI_PROTOCOL_SUPPORTED_VERSION 0x30000 +#define SCMI_PROTOCOL_SUPPORTED_VERSION 0x30001 enum scmi_power_protocol_cmd { POWER_DOMAIN_ATTRIBUTES = 0x3, diff --git a/drivers/firmware/arm_scmi/reset.c b/drivers/firmware/arm_scmi/reset.c index 1b318316535e..0aa82b96f41b 100644 --- a/drivers/firmware/arm_scmi/reset.c +++ b/drivers/firmware/arm_scmi/reset.c @@ -14,7 +14,7 @@ #include "notify.h" /* Updated only after ALL the mandatory features for that version are merged */ -#define SCMI_PROTOCOL_SUPPORTED_VERSION 0x30000 +#define SCMI_PROTOCOL_SUPPORTED_VERSION 0x30001 enum scmi_reset_protocol_cmd { RESET_DOMAIN_ATTRIBUTES = 0x3, diff --git a/drivers/firmware/arm_scmi/sensors.c b/drivers/firmware/arm_scmi/sensors.c index 7fc5535ca34c..791efd0f82d7 100644 --- a/drivers/firmware/arm_scmi/sensors.c +++ b/drivers/firmware/arm_scmi/sensors.c @@ -15,7 +15,7 @@ #include "notify.h" /* Updated only after ALL the mandatory features for that version are merged */ -#define SCMI_PROTOCOL_SUPPORTED_VERSION 0x30000 +#define SCMI_PROTOCOL_SUPPORTED_VERSION 0x30001 #define SCMI_MAX_NUM_SENSOR_AXIS 63 #define SCMIv2_SENSOR_PROTOCOL 0x10000 diff --git a/drivers/firmware/arm_scmi/shmem.c b/drivers/firmware/arm_scmi/shmem.c index b74e5a740f2c..01d8a9398fe8 100644 --- a/drivers/firmware/arm_scmi/shmem.c +++ b/drivers/firmware/arm_scmi/shmem.c @@ -2,11 +2,13 @@ /* * For transport using shared mem structure. * - * Copyright (C) 2019 ARM Ltd. + * Copyright (C) 2019-2024 ARM Ltd. */ #include <linux/ktime.h> #include <linux/io.h> +#include <linux/of.h> +#include <linux/of_address.h> #include <linux/processor.h> #include <linux/types.h> @@ -32,8 +34,9 @@ struct scmi_shared_mem { u8 msg_payload[]; }; -void shmem_tx_prepare(struct scmi_shared_mem __iomem *shmem, - struct scmi_xfer *xfer, struct scmi_chan_info *cinfo) +static void shmem_tx_prepare(struct scmi_shared_mem __iomem *shmem, + struct scmi_xfer *xfer, + struct scmi_chan_info *cinfo) { ktime_t stop; @@ -73,13 +76,13 @@ void shmem_tx_prepare(struct scmi_shared_mem __iomem *shmem, memcpy_toio(shmem->msg_payload, xfer->tx.buf, xfer->tx.len); } -u32 shmem_read_header(struct scmi_shared_mem __iomem *shmem) +static u32 shmem_read_header(struct scmi_shared_mem __iomem *shmem) { return ioread32(&shmem->msg_header); } -void shmem_fetch_response(struct scmi_shared_mem __iomem *shmem, - struct scmi_xfer *xfer) +static void shmem_fetch_response(struct scmi_shared_mem __iomem *shmem, + struct scmi_xfer *xfer) { size_t len = ioread32(&shmem->length); @@ -91,8 +94,8 @@ void shmem_fetch_response(struct scmi_shared_mem __iomem *shmem, memcpy_fromio(xfer->rx.buf, shmem->msg_payload + 4, xfer->rx.len); } -void shmem_fetch_notification(struct scmi_shared_mem __iomem *shmem, - size_t max_len, struct scmi_xfer *xfer) +static void shmem_fetch_notification(struct scmi_shared_mem __iomem *shmem, + size_t max_len, struct scmi_xfer *xfer) { size_t len = ioread32(&shmem->length); @@ -103,13 +106,13 @@ void shmem_fetch_notification(struct scmi_shared_mem __iomem *shmem, memcpy_fromio(xfer->rx.buf, shmem->msg_payload, xfer->rx.len); } -void shmem_clear_channel(struct scmi_shared_mem __iomem *shmem) +static void shmem_clear_channel(struct scmi_shared_mem __iomem *shmem) { iowrite32(SCMI_SHMEM_CHAN_STAT_CHANNEL_FREE, &shmem->channel_status); } -bool shmem_poll_done(struct scmi_shared_mem __iomem *shmem, - struct scmi_xfer *xfer) +static bool shmem_poll_done(struct scmi_shared_mem __iomem *shmem, + struct scmi_xfer *xfer) { u16 xfer_id; @@ -123,13 +126,69 @@ bool shmem_poll_done(struct scmi_shared_mem __iomem *shmem, SCMI_SHMEM_CHAN_STAT_CHANNEL_FREE); } -bool shmem_channel_free(struct scmi_shared_mem __iomem *shmem) +static bool shmem_channel_free(struct scmi_shared_mem __iomem *shmem) { return (ioread32(&shmem->channel_status) & SCMI_SHMEM_CHAN_STAT_CHANNEL_FREE); } -bool shmem_channel_intr_enabled(struct scmi_shared_mem __iomem *shmem) +static bool shmem_channel_intr_enabled(struct scmi_shared_mem __iomem *shmem) { return ioread32(&shmem->flags) & SCMI_SHMEM_FLAG_INTR_ENABLED; } + +static void __iomem *shmem_setup_iomap(struct scmi_chan_info *cinfo, + struct device *dev, bool tx, + struct resource *res) +{ + struct device_node *shmem __free(device_node); + const char *desc = tx ? "Tx" : "Rx"; + int ret, idx = tx ? 0 : 1; + struct device *cdev = cinfo->dev; + struct resource lres = {}; + resource_size_t size; + void __iomem *addr; + + shmem = of_parse_phandle(cdev->of_node, "shmem", idx); + if (!shmem) + return IOMEM_ERR_PTR(-ENODEV); + + if (!of_device_is_compatible(shmem, "arm,scmi-shmem")) + return IOMEM_ERR_PTR(-ENXIO); + + /* Use a local on-stack as a working area when not provided */ + if (!res) + res = &lres; + + ret = of_address_to_resource(shmem, 0, res); + if (ret) { + dev_err(cdev, "failed to get SCMI %s shared memory\n", desc); + return IOMEM_ERR_PTR(ret); + } + + size = resource_size(res); + addr = devm_ioremap(dev, res->start, size); + if (!addr) { + dev_err(dev, "failed to ioremap SCMI %s shared memory\n", desc); + return IOMEM_ERR_PTR(-EADDRNOTAVAIL); + } + + return addr; +} + +static const struct scmi_shared_mem_operations scmi_shmem_ops = { + .tx_prepare = shmem_tx_prepare, + .read_header = shmem_read_header, + .fetch_response = shmem_fetch_response, + .fetch_notification = shmem_fetch_notification, + .clear_channel = shmem_clear_channel, + .poll_done = shmem_poll_done, + .channel_free = shmem_channel_free, + .channel_intr_enabled = shmem_channel_intr_enabled, + .setup_iomap = shmem_setup_iomap, +}; + +const struct scmi_shared_mem_operations *scmi_shared_mem_operations_get(void) +{ + return &scmi_shmem_ops; +} diff --git a/drivers/firmware/arm_scmi/system.c b/drivers/firmware/arm_scmi/system.c index b6358c155f7f..ec3d355d1772 100644 --- a/drivers/firmware/arm_scmi/system.c +++ b/drivers/firmware/arm_scmi/system.c @@ -14,7 +14,7 @@ #include "notify.h" /* Updated only after ALL the mandatory features for that version are merged */ -#define SCMI_PROTOCOL_SUPPORTED_VERSION 0x20000 +#define SCMI_PROTOCOL_SUPPORTED_VERSION 0x20001 #define SCMI_SYSTEM_NUM_SOURCES 1 diff --git a/drivers/firmware/arm_scmi/transports/Kconfig b/drivers/firmware/arm_scmi/transports/Kconfig new file mode 100644 index 000000000000..57eccf316e26 --- /dev/null +++ b/drivers/firmware/arm_scmi/transports/Kconfig @@ -0,0 +1,123 @@ +# SPDX-License-Identifier: GPL-2.0-only +menu "SCMI Transport Drivers" + +config ARM_SCMI_HAVE_TRANSPORT + bool + help + This declares whether at least one SCMI transport has been configured. + Used to trigger a build bug when trying to build SCMI without any + configured transport. + +config ARM_SCMI_HAVE_SHMEM + bool + help + This declares whether a shared memory based transport for SCMI is + available. + +config ARM_SCMI_HAVE_MSG + bool + help + This declares whether a message passing based transport for SCMI is + available. + +config ARM_SCMI_TRANSPORT_MAILBOX + tristate "SCMI transport based on Mailbox" + depends on MAILBOX + select ARM_SCMI_HAVE_TRANSPORT + select ARM_SCMI_HAVE_SHMEM + default y + help + Enable mailbox based transport for SCMI. + + If you want the ARM SCMI PROTOCOL stack to include support for a + transport based on mailboxes, answer Y. + This driver can also be built as a module. If so, the module + will be called scmi_transport_mailbox. + +config ARM_SCMI_TRANSPORT_SMC + tristate "SCMI transport based on SMC" + depends on HAVE_ARM_SMCCC_DISCOVERY + select ARM_SCMI_HAVE_TRANSPORT + select ARM_SCMI_HAVE_SHMEM + default y + help + Enable SMC based transport for SCMI. + + If you want the ARM SCMI PROTOCOL stack to include support for a + transport based on SMC, answer Y. + This driver can also be built as a module. If so, the module + will be called scmi_transport_smc. + +config ARM_SCMI_TRANSPORT_SMC_ATOMIC_ENABLE + bool "Enable atomic mode support for SCMI SMC transport" + depends on ARM_SCMI_TRANSPORT_SMC + help + Enable support of atomic operation for SCMI SMC based transport. + + If you want the SCMI SMC based transport to operate in atomic + mode, avoiding any kind of sleeping behaviour for selected + transactions on the TX path, answer Y. + Enabling atomic mode operations allows any SCMI driver using this + transport to optionally ask for atomic SCMI transactions and operate + in atomic context too, at the price of using a number of busy-waiting + primitives all over instead. If unsure say N. + +config ARM_SCMI_TRANSPORT_OPTEE + tristate "SCMI transport based on OP-TEE service" + depends on OPTEE + select ARM_SCMI_HAVE_TRANSPORT + select ARM_SCMI_HAVE_SHMEM + select ARM_SCMI_HAVE_MSG + default y + help + This enables the OP-TEE service based transport for SCMI. + + If you want the ARM SCMI PROTOCOL stack to include support for a + transport based on OP-TEE SCMI service, answer Y. + This driver can also be built as a module. If so, the module + will be called scmi_transport_optee. + +config ARM_SCMI_TRANSPORT_VIRTIO + tristate "SCMI transport based on VirtIO" + depends on VIRTIO + select ARM_SCMI_HAVE_TRANSPORT + select ARM_SCMI_HAVE_MSG + help + This enables the virtio based transport for SCMI. + + If you want the ARM SCMI PROTOCOL stack to include support for a + transport based on VirtIO, answer Y. + This driver can also be built as a module. If so, the module + will be called scmi_transport_virtio. + +config ARM_SCMI_TRANSPORT_VIRTIO_VERSION1_COMPLIANCE + bool "SCMI VirtIO transport Version 1 compliance" + depends on ARM_SCMI_TRANSPORT_VIRTIO + default y + help + This enforces strict compliance with VirtIO Version 1 specification. + + If you want the ARM SCMI VirtIO transport layer to refuse to work + with Legacy VirtIO backends and instead support only VirtIO Version 1 + devices (or above), answer Y. + + If you want instead to support also old Legacy VirtIO backends (like + the ones implemented by kvmtool) and let the core Kernel VirtIO layer + take care of the needed conversions, say N. + +config ARM_SCMI_TRANSPORT_VIRTIO_ATOMIC_ENABLE + bool "Enable atomic mode for SCMI VirtIO transport" + depends on ARM_SCMI_TRANSPORT_VIRTIO + help + Enable support of atomic operation for SCMI VirtIO based transport. + + If you want the SCMI VirtIO based transport to operate in atomic + mode, avoiding any kind of sleeping behaviour for selected + transactions on the TX path, answer Y. + + Enabling atomic mode operations allows any SCMI driver using this + transport to optionally ask for atomic SCMI transactions and operate + in atomic context too, at the price of using a number of busy-waiting + primitives all over instead. If unsure say N. + +endmenu diff --git a/drivers/firmware/arm_scmi/transports/Makefile b/drivers/firmware/arm_scmi/transports/Makefile new file mode 100644 index 000000000000..362a406f08e6 --- /dev/null +++ b/drivers/firmware/arm_scmi/transports/Makefile @@ -0,0 +1,16 @@ +# SPDX-License-Identifier: GPL-2.0-only +scmi_transport_mailbox-objs := mailbox.o +obj-$(CONFIG_ARM_SCMI_TRANSPORT_MAILBOX) += scmi_transport_mailbox.o +scmi_transport_smc-objs := smc.o +obj-$(CONFIG_ARM_SCMI_TRANSPORT_SMC) += scmi_transport_smc.o +scmi_transport_optee-objs := optee.o +obj-$(CONFIG_ARM_SCMI_TRANSPORT_OPTEE) += scmi_transport_optee.o +scmi_transport_virtio-objs := virtio.o +obj-$(CONFIG_ARM_SCMI_TRANSPORT_VIRTIO) += scmi_transport_virtio.o + +ifeq ($(CONFIG_THUMB2_KERNEL)$(CONFIG_CC_IS_CLANG),yy) +# The use of R7 in the SMCCC conflicts with the compiler's use of R7 as a frame +# pointer in Thumb2 mode, which is forcibly enabled by Clang when profiling +# hooks are inserted via the -pg switch. +CFLAGS_REMOVE_smc.o += $(CC_FLAGS_FTRACE) +endif diff --git a/drivers/firmware/arm_scmi/mailbox.c b/drivers/firmware/arm_scmi/transports/mailbox.c index 0219a12e3209..1a754dee24f7 100644 --- a/drivers/firmware/arm_scmi/mailbox.c +++ b/drivers/firmware/arm_scmi/transports/mailbox.c @@ -3,7 +3,7 @@ * System Control and Management Interface (SCMI) Message Mailbox Transport * driver. * - * Copyright (C) 2019 ARM Ltd. + * Copyright (C) 2019-2024 ARM Ltd. */ #include <linux/err.h> @@ -11,9 +11,10 @@ #include <linux/mailbox_client.h> #include <linux/of.h> #include <linux/of_address.h> +#include <linux/platform_device.h> #include <linux/slab.h> -#include "common.h" +#include "../common.h" /** * struct scmi_mailbox - Structure representing a SCMI mailbox transport @@ -36,11 +37,13 @@ struct scmi_mailbox { #define client_to_scmi_mailbox(c) container_of(c, struct scmi_mailbox, cl) +static struct scmi_transport_core_operations *core; + static void tx_prepare(struct mbox_client *cl, void *m) { struct scmi_mailbox *smbox = client_to_scmi_mailbox(cl); - shmem_tx_prepare(smbox->shmem, m, smbox->cinfo); + core->shmem->tx_prepare(smbox->shmem, m, smbox->cinfo); } static void rx_callback(struct mbox_client *cl, void *m) @@ -56,15 +59,17 @@ static void rx_callback(struct mbox_client *cl, void *m) * a previous timed-out reply which arrived late could be wrongly * associated with the next pending transaction. */ - if (cl->knows_txdone && !shmem_channel_free(smbox->shmem)) { + if (cl->knows_txdone && + !core->shmem->channel_free(smbox->shmem)) { dev_warn(smbox->cinfo->dev, "Ignoring spurious A2P IRQ !\n"); - scmi_bad_message_trace(smbox->cinfo, - shmem_read_header(smbox->shmem), - MSG_MBOX_SPURIOUS); + core->bad_message_trace(smbox->cinfo, + core->shmem->read_header(smbox->shmem), + MSG_MBOX_SPURIOUS); return; } - scmi_rx_callback(smbox->cinfo, shmem_read_header(smbox->shmem), NULL); + core->rx_callback(smbox->cinfo, + core->shmem->read_header(smbox->shmem), NULL); } static bool mailbox_chan_available(struct device_node *of_node, int idx) @@ -124,18 +129,16 @@ static int mailbox_chan_validate(struct device *cdev, int *a2p_rx_chan, /* Bail out if provided shmem descriptors do not refer distinct areas */ if (num_sh > 1) { - struct device_node *np_tx, *np_rx; + struct device_node *np_tx __free(device_node) = + of_parse_phandle(np, "shmem", 0); + struct device_node *np_rx __free(device_node) = + of_parse_phandle(np, "shmem", 1); - np_tx = of_parse_phandle(np, "shmem", 0); - np_rx = of_parse_phandle(np, "shmem", 1); if (!np_tx || !np_rx || np_tx == np_rx) { dev_warn(cdev, "Invalid shmem descriptor for '%s'\n", of_node_full_name(np)); ret = -EINVAL; } - - of_node_put(np_tx); - of_node_put(np_rx); } /* Calculate channels IDs to use depending on mboxes/shmem layout */ @@ -178,11 +181,8 @@ static int mailbox_chan_setup(struct scmi_chan_info *cinfo, struct device *dev, const char *desc = tx ? "Tx" : "Rx"; struct device *cdev = cinfo->dev; struct scmi_mailbox *smbox; - struct device_node *shmem; - int ret, a2p_rx_chan, p2a_chan, p2a_rx_chan, idx = tx ? 0 : 1; + int ret, a2p_rx_chan, p2a_chan, p2a_rx_chan; struct mbox_client *cl; - resource_size_t size; - struct resource res; ret = mailbox_chan_validate(cdev, &a2p_rx_chan, &p2a_chan, &p2a_rx_chan); if (ret) @@ -195,25 +195,9 @@ static int mailbox_chan_setup(struct scmi_chan_info *cinfo, struct device *dev, if (!smbox) return -ENOMEM; - shmem = of_parse_phandle(cdev->of_node, "shmem", idx); - if (!of_device_is_compatible(shmem, "arm,scmi-shmem")) { - of_node_put(shmem); - return -ENXIO; - } - - ret = of_address_to_resource(shmem, 0, &res); - of_node_put(shmem); - if (ret) { - dev_err(cdev, "failed to get SCMI %s shared memory\n", desc); - return ret; - } - - size = resource_size(&res); - smbox->shmem = devm_ioremap(dev, res.start, size); - if (!smbox->shmem) { - dev_err(dev, "failed to ioremap SCMI %s shared memory\n", desc); - return -EADDRNOTAVAIL; - } + smbox->shmem = core->shmem->setup_iomap(cinfo, dev, tx, NULL); + if (IS_ERR(smbox->shmem)) + return PTR_ERR(smbox->shmem); cl = &smbox->cl; cl->dev = cdev; @@ -252,7 +236,6 @@ static int mailbox_chan_setup(struct scmi_chan_info *cinfo, struct device *dev, } } - cinfo->transport_info = smbox; smbox->cinfo = cinfo; @@ -312,7 +295,7 @@ static void mailbox_fetch_response(struct scmi_chan_info *cinfo, { struct scmi_mailbox *smbox = cinfo->transport_info; - shmem_fetch_response(smbox->shmem, xfer); + core->shmem->fetch_response(smbox->shmem, xfer); } static void mailbox_fetch_notification(struct scmi_chan_info *cinfo, @@ -320,7 +303,7 @@ static void mailbox_fetch_notification(struct scmi_chan_info *cinfo, { struct scmi_mailbox *smbox = cinfo->transport_info; - shmem_fetch_notification(smbox->shmem, max_len, xfer); + core->shmem->fetch_notification(smbox->shmem, max_len, xfer); } static void mailbox_clear_channel(struct scmi_chan_info *cinfo) @@ -329,9 +312,9 @@ static void mailbox_clear_channel(struct scmi_chan_info *cinfo) struct mbox_chan *intr_chan; int ret; - shmem_clear_channel(smbox->shmem); + core->shmem->clear_channel(smbox->shmem); - if (!shmem_channel_intr_enabled(smbox->shmem)) + if (!core->shmem->channel_intr_enabled(smbox->shmem)) return; if (smbox->chan_platform_receiver) @@ -354,7 +337,7 @@ mailbox_poll_done(struct scmi_chan_info *cinfo, struct scmi_xfer *xfer) { struct scmi_mailbox *smbox = cinfo->transport_info; - return shmem_poll_done(smbox->shmem, xfer); + return core->shmem->poll_done(smbox->shmem, xfer); } static const struct scmi_transport_ops scmi_mailbox_ops = { @@ -369,9 +352,22 @@ static const struct scmi_transport_ops scmi_mailbox_ops = { .poll_done = mailbox_poll_done, }; -const struct scmi_desc scmi_mailbox_desc = { +static struct scmi_desc scmi_mailbox_desc = { .ops = &scmi_mailbox_ops, .max_rx_timeout_ms = 30, /* We may increase this if required */ .max_msg = 20, /* Limited by MBOX_TX_QUEUE_LEN */ .max_msg_size = 128, }; + +static const struct of_device_id scmi_of_match[] = { + { .compatible = "arm,scmi" }, + { /* Sentinel */ }, +}; + +DEFINE_SCMI_TRANSPORT_DRIVER(scmi_mailbox, scmi_mailbox_driver, + scmi_mailbox_desc, scmi_of_match, core); +module_platform_driver(scmi_mailbox_driver); + +MODULE_AUTHOR("Sudeep Holla <sudeep.holla@arm.com>"); +MODULE_DESCRIPTION("SCMI Mailbox Transport driver"); +MODULE_LICENSE("GPL"); diff --git a/drivers/firmware/arm_scmi/optee.c b/drivers/firmware/arm_scmi/transports/optee.c index 4e7944b91e38..56fc63edf51e 100644 --- a/drivers/firmware/arm_scmi/optee.c +++ b/drivers/firmware/arm_scmi/transports/optee.c @@ -9,12 +9,13 @@ #include <linux/kernel.h> #include <linux/module.h> #include <linux/mutex.h> +#include <linux/platform_device.h> #include <linux/slab.h> #include <linux/tee_drv.h> #include <linux/uuid.h> #include <uapi/linux/tee.h> -#include "common.h" +#include "../common.h" #define SCMI_OPTEE_MAX_MSG_SIZE 128 @@ -148,12 +149,11 @@ struct scmi_optee_agent { struct list_head channel_list; }; +static struct scmi_transport_core_operations *core; + /* There can be only 1 SCMI service in OP-TEE we connect to */ static struct scmi_optee_agent *scmi_optee_private; -/* Forward reference to scmi_optee transport initialization */ -static int scmi_optee_init(void); - /* Open a session toward SCMI OP-TEE service with REE_KERNEL identity */ static int open_session(struct scmi_optee_agent *agent, u32 *tee_session) { @@ -312,24 +312,6 @@ static int invoke_process_msg_channel(struct scmi_optee_channel *channel, size_t return 0; } -static int scmi_optee_link_supplier(struct device *dev) -{ - if (!scmi_optee_private) { - if (scmi_optee_init()) - dev_dbg(dev, "Optee bus not yet ready\n"); - - /* Wait for optee bus */ - return -EPROBE_DEFER; - } - - if (!device_link_add(dev, scmi_optee_private->dev, DL_FLAG_AUTOREMOVE_CONSUMER)) { - dev_err(dev, "Adding link to supplier optee device failed\n"); - return -ECANCELED; - } - - return 0; -} - static bool scmi_optee_chan_available(struct device_node *of_node, int idx) { u32 channel_id; @@ -343,7 +325,7 @@ static void scmi_optee_clear_channel(struct scmi_chan_info *cinfo) struct scmi_optee_channel *channel = cinfo->transport_info; if (!channel->tee_shm) - shmem_clear_channel(channel->req.shmem); + core->shmem->clear_channel(channel->req.shmem); } static int setup_dynamic_shmem(struct device *dev, struct scmi_optee_channel *channel) @@ -368,38 +350,11 @@ static int setup_dynamic_shmem(struct device *dev, struct scmi_optee_channel *ch static int setup_static_shmem(struct device *dev, struct scmi_chan_info *cinfo, struct scmi_optee_channel *channel) { - struct device_node *np; - resource_size_t size; - struct resource res; - int ret; + channel->req.shmem = core->shmem->setup_iomap(cinfo, dev, true, NULL); + if (IS_ERR(channel->req.shmem)) + return PTR_ERR(channel->req.shmem); - np = of_parse_phandle(cinfo->dev->of_node, "shmem", 0); - if (!of_device_is_compatible(np, "arm,scmi-shmem")) { - ret = -ENXIO; - goto out; - } - - ret = of_address_to_resource(np, 0, &res); - if (ret) { - dev_err(dev, "Failed to get SCMI Tx shared memory\n"); - goto out; - } - - size = resource_size(&res); - - channel->req.shmem = devm_ioremap(dev, res.start, size); - if (!channel->req.shmem) { - dev_err(dev, "Failed to ioremap SCMI Tx shared memory\n"); - ret = -EADDRNOTAVAIL; - goto out; - } - - ret = 0; - -out: - of_node_put(np); - - return ret; + return 0; } static int setup_shmem(struct device *dev, struct scmi_chan_info *cinfo, @@ -473,6 +428,13 @@ static int scmi_optee_chan_free(int id, void *p, void *data) struct scmi_chan_info *cinfo = p; struct scmi_optee_channel *channel = cinfo->transport_info; + /* + * Different protocols might share the same chan info, so a previous + * call might have already freed the structure. + */ + if (!channel) + return 0; + mutex_lock(&scmi_optee_private->mu); list_del(&channel->link); mutex_unlock(&scmi_optee_private->mu); @@ -499,10 +461,11 @@ static int scmi_optee_send_message(struct scmi_chan_info *cinfo, mutex_lock(&channel->mu); if (channel->tee_shm) { - msg_tx_prepare(channel->req.msg, xfer); - ret = invoke_process_msg_channel(channel, msg_command_size(xfer)); + core->msg->tx_prepare(channel->req.msg, xfer); + ret = invoke_process_msg_channel(channel, + core->msg->command_size(xfer)); } else { - shmem_tx_prepare(channel->req.shmem, xfer, cinfo); + core->shmem->tx_prepare(channel->req.shmem, xfer, cinfo); ret = invoke_process_smt_channel(channel); } @@ -518,9 +481,10 @@ static void scmi_optee_fetch_response(struct scmi_chan_info *cinfo, struct scmi_optee_channel *channel = cinfo->transport_info; if (channel->tee_shm) - msg_fetch_response(channel->req.msg, channel->rx_len, xfer); + core->msg->fetch_response(channel->req.msg, + channel->rx_len, xfer); else - shmem_fetch_response(channel->req.shmem, xfer); + core->shmem->fetch_response(channel->req.shmem, xfer); } static void scmi_optee_mark_txdone(struct scmi_chan_info *cinfo, int ret, @@ -532,7 +496,6 @@ static void scmi_optee_mark_txdone(struct scmi_chan_info *cinfo, int ret, } static struct scmi_transport_ops scmi_optee_ops = { - .link_supplier = scmi_optee_link_supplier, .chan_available = scmi_optee_chan_available, .chan_setup = scmi_optee_chan_setup, .chan_free = scmi_optee_chan_free, @@ -547,6 +510,22 @@ static int scmi_optee_ctx_match(struct tee_ioctl_version_data *ver, const void * return ver->impl_id == TEE_IMPL_ID_OPTEE; } +static struct scmi_desc scmi_optee_desc = { + .ops = &scmi_optee_ops, + .max_rx_timeout_ms = 30, + .max_msg = 20, + .max_msg_size = SCMI_OPTEE_MAX_MSG_SIZE, + .sync_cmds_completed_on_ret = true, +}; + +static const struct of_device_id scmi_of_match[] = { + { .compatible = "linaro,scmi-optee" }, + { /* Sentinel */ }, +}; + +DEFINE_SCMI_TRANSPORT_DRIVER(scmi_optee, scmi_optee_driver, scmi_optee_desc, + scmi_of_match, core); + static int scmi_optee_service_probe(struct device *dev) { struct scmi_optee_agent *agent; @@ -582,6 +561,12 @@ static int scmi_optee_service_probe(struct device *dev) smp_mb(); scmi_optee_private = agent; + ret = platform_driver_register(&scmi_optee_driver); + if (ret) { + scmi_optee_private = NULL; + goto err; + } + return 0; err: @@ -597,6 +582,8 @@ static int scmi_optee_service_remove(struct device *dev) if (!scmi_optee_private) return -EINVAL; + platform_driver_unregister(&scmi_optee_driver); + if (!list_empty(&scmi_optee_private->channel_list)) return -EBUSY; @@ -618,7 +605,7 @@ static const struct tee_client_device_id scmi_optee_service_id[] = { MODULE_DEVICE_TABLE(tee, scmi_optee_service_id); -static struct tee_client_driver scmi_optee_driver = { +static struct tee_client_driver scmi_optee_service_driver = { .id_table = scmi_optee_service_id, .driver = { .name = "scmi-optee", @@ -628,22 +615,18 @@ static struct tee_client_driver scmi_optee_driver = { }, }; -static int scmi_optee_init(void) +static int __init scmi_transport_optee_init(void) { - return driver_register(&scmi_optee_driver.driver); + return driver_register(&scmi_optee_service_driver.driver); } +module_init(scmi_transport_optee_init); -static void scmi_optee_exit(void) +static void __exit scmi_transport_optee_exit(void) { - if (scmi_optee_private) - driver_unregister(&scmi_optee_driver.driver); + driver_unregister(&scmi_optee_service_driver.driver); } +module_exit(scmi_transport_optee_exit); -const struct scmi_desc scmi_optee_desc = { - .transport_exit = scmi_optee_exit, - .ops = &scmi_optee_ops, - .max_rx_timeout_ms = 30, - .max_msg = 20, - .max_msg_size = SCMI_OPTEE_MAX_MSG_SIZE, - .sync_cmds_completed_on_ret = true, -}; +MODULE_AUTHOR("Etienne Carriere <etienne.carriere@foss.st.com>"); +MODULE_DESCRIPTION("SCMI OPTEE Transport driver"); +MODULE_LICENSE("GPL"); diff --git a/drivers/firmware/arm_scmi/smc.c b/drivers/firmware/arm_scmi/transports/smc.c index 39936e1dd30e..f8dd108777f9 100644 --- a/drivers/firmware/arm_scmi/smc.c +++ b/drivers/firmware/arm_scmi/transports/smc.c @@ -16,10 +16,11 @@ #include <linux/of_address.h> #include <linux/of_irq.h> #include <linux/limits.h> +#include <linux/platform_device.h> #include <linux/processor.h> #include <linux/slab.h> -#include "common.h" +#include "../common.h" /* * The shmem address is split into 4K page and offset. @@ -69,23 +70,25 @@ struct scmi_smc { unsigned long cap_id; }; +static struct scmi_transport_core_operations *core; + static irqreturn_t smc_msg_done_isr(int irq, void *data) { struct scmi_smc *scmi_info = data; - scmi_rx_callback(scmi_info->cinfo, - shmem_read_header(scmi_info->shmem), NULL); + core->rx_callback(scmi_info->cinfo, + core->shmem->read_header(scmi_info->shmem), NULL); return IRQ_HANDLED; } static bool smc_chan_available(struct device_node *of_node, int idx) { - struct device_node *np = of_parse_phandle(of_node, "shmem", 0); + struct device_node *np __free(device_node) = + of_parse_phandle(of_node, "shmem", 0); if (!np) return false; - of_node_put(np); return true; } @@ -130,9 +133,7 @@ static int smc_chan_setup(struct scmi_chan_info *cinfo, struct device *dev, struct device *cdev = cinfo->dev; unsigned long cap_id = ULONG_MAX; struct scmi_smc *scmi_info; - resource_size_t size; - struct resource res; - struct device_node *np; + struct resource res = {}; u32 func_id; int ret; @@ -143,31 +144,16 @@ static int smc_chan_setup(struct scmi_chan_info *cinfo, struct device *dev, if (!scmi_info) return -ENOMEM; - np = of_parse_phandle(cdev->of_node, "shmem", 0); - if (!of_device_is_compatible(np, "arm,scmi-shmem")) { - of_node_put(np); - return -ENXIO; - } - - ret = of_address_to_resource(np, 0, &res); - of_node_put(np); - if (ret) { - dev_err(cdev, "failed to get SCMI Tx shared memory\n"); - return ret; - } - - size = resource_size(&res); - scmi_info->shmem = devm_ioremap(dev, res.start, size); - if (!scmi_info->shmem) { - dev_err(dev, "failed to ioremap SCMI Tx shared memory\n"); - return -EADDRNOTAVAIL; - } + scmi_info->shmem = core->shmem->setup_iomap(cinfo, dev, tx, &res); + if (IS_ERR(scmi_info->shmem)) + return PTR_ERR(scmi_info->shmem); ret = of_property_read_u32(dev->of_node, "arm,smc-id", &func_id); if (ret < 0) return ret; if (of_device_is_compatible(dev->of_node, "qcom,scmi-smc")) { + resource_size_t size = resource_size(&res); void __iomem *ptr = (void __iomem *)scmi_info->shmem + size - 8; /* The capability-id is kept in last 8 bytes of shmem. * +-------+ <-- 0 @@ -243,7 +229,7 @@ static int smc_send_message(struct scmi_chan_info *cinfo, */ smc_channel_lock_acquire(scmi_info, xfer); - shmem_tx_prepare(scmi_info->shmem, xfer, cinfo); + core->shmem->tx_prepare(scmi_info->shmem, xfer, cinfo); if (scmi_info->cap_id != ULONG_MAX) arm_smccc_1_1_invoke(scmi_info->func_id, scmi_info->cap_id, 0, @@ -267,7 +253,7 @@ static void smc_fetch_response(struct scmi_chan_info *cinfo, { struct scmi_smc *scmi_info = cinfo->transport_info; - shmem_fetch_response(scmi_info->shmem, xfer); + core->shmem->fetch_response(scmi_info->shmem, xfer); } static void smc_mark_txdone(struct scmi_chan_info *cinfo, int ret, @@ -287,7 +273,7 @@ static const struct scmi_transport_ops scmi_smc_ops = { .fetch_response = smc_fetch_response, }; -const struct scmi_desc scmi_smc_desc = { +static struct scmi_desc scmi_smc_desc = { .ops = &scmi_smc_ops, .max_rx_timeout_ms = 30, .max_msg = 20, @@ -303,3 +289,19 @@ const struct scmi_desc scmi_smc_desc = { .sync_cmds_completed_on_ret = true, .atomic_enabled = IS_ENABLED(CONFIG_ARM_SCMI_TRANSPORT_SMC_ATOMIC_ENABLE), }; + +static const struct of_device_id scmi_of_match[] = { + { .compatible = "arm,scmi-smc" }, + { .compatible = "arm,scmi-smc-param" }, + { .compatible = "qcom,scmi-smc" }, + { /* Sentinel */ }, +}; + +DEFINE_SCMI_TRANSPORT_DRIVER(scmi_smc, scmi_smc_driver, scmi_smc_desc, + scmi_of_match, core); +module_platform_driver(scmi_smc_driver); + +MODULE_AUTHOR("Peng Fan <peng.fan@nxp.com>"); +MODULE_AUTHOR("Nikunj Kela <quic_nkela@quicinc.com>"); +MODULE_DESCRIPTION("SCMI SMC Transport driver"); +MODULE_LICENSE("GPL"); diff --git a/drivers/firmware/arm_scmi/virtio.c b/drivers/firmware/arm_scmi/transports/virtio.c index dd3459bdb9cb..d349766bc0b2 100644 --- a/drivers/firmware/arm_scmi/virtio.c +++ b/drivers/firmware/arm_scmi/transports/virtio.c @@ -4,7 +4,7 @@ * (SCMI). * * Copyright (C) 2020-2022 OpenSynergy. - * Copyright (C) 2021-2022 ARM Ltd. + * Copyright (C) 2021-2024 ARM Ltd. */ /** @@ -19,6 +19,7 @@ #include <linux/completion.h> #include <linux/errno.h> +#include <linux/platform_device.h> #include <linux/refcount.h> #include <linux/slab.h> #include <linux/virtio.h> @@ -27,7 +28,7 @@ #include <uapi/linux/virtio_ids.h> #include <uapi/linux/virtio_scmi.h> -#include "common.h" +#include "../common.h" #define VIRTIO_MAX_RX_TIMEOUT_MS 60000 #define VIRTIO_SCMI_MAX_MSG_SIZE 128 /* Value may be increased. */ @@ -108,6 +109,8 @@ struct scmi_vio_msg { refcount_t users; }; +static struct scmi_transport_core_operations *core; + /* Only one SCMI VirtIO device can possibly exist */ static struct virtio_device *scmi_vdev; @@ -294,8 +297,9 @@ static void scmi_vio_complete_cb(struct virtqueue *vqueue) if (msg) { msg->rx_len = length; - scmi_rx_callback(vioch->cinfo, - msg_read_header(msg->input), msg); + core->rx_callback(vioch->cinfo, + core->msg->read_header(msg->input), + msg); scmi_finalize_message(vioch, msg); } @@ -339,8 +343,9 @@ static void scmi_vio_deferred_tx_worker(struct work_struct *work) * is no more processed elsewhere so no poll_lock needed. */ if (msg->poll_status == VIO_MSG_NOT_POLLED) - scmi_rx_callback(vioch->cinfo, - msg_read_header(msg->input), msg); + core->rx_callback(vioch->cinfo, + core->msg->read_header(msg->input), + msg); /* Free the processed message once done */ scmi_vio_msg_release(vioch, msg); @@ -366,23 +371,6 @@ static unsigned int virtio_get_max_msg(struct scmi_chan_info *base_cinfo) return vioch->max_msg; } -static int virtio_link_supplier(struct device *dev) -{ - if (!scmi_vdev) { - dev_notice(dev, - "Deferring probe after not finding a bound scmi-virtio device\n"); - return -EPROBE_DEFER; - } - - if (!device_link_add(dev, &scmi_vdev->dev, - DL_FLAG_AUTOREMOVE_CONSUMER)) { - dev_err(dev, "Adding link to supplier virtio device failed\n"); - return -ECANCELED; - } - - return 0; -} - static bool virtio_chan_available(struct device_node *of_node, int idx) { struct scmi_vio_channel *channels, *vioch = NULL; @@ -510,10 +498,10 @@ static int virtio_send_message(struct scmi_chan_info *cinfo, return -EBUSY; } - msg_tx_prepare(msg->request, xfer); + core->msg->tx_prepare(msg->request, xfer); - sg_init_one(&sg_out, msg->request, msg_command_size(xfer)); - sg_init_one(&sg_in, msg->input, msg_response_size(xfer)); + sg_init_one(&sg_out, msg->request, core->msg->command_size(xfer)); + sg_init_one(&sg_in, msg->input, core->msg->response_size(xfer)); spin_lock_irqsave(&vioch->lock, flags); @@ -560,7 +548,7 @@ static void virtio_fetch_response(struct scmi_chan_info *cinfo, struct scmi_vio_msg *msg = xfer->priv; if (msg) - msg_fetch_response(msg->input, msg->rx_len, xfer); + core->msg->fetch_response(msg->input, msg->rx_len, xfer); } static void virtio_fetch_notification(struct scmi_chan_info *cinfo, @@ -569,7 +557,8 @@ static void virtio_fetch_notification(struct scmi_chan_info *cinfo, struct scmi_vio_msg *msg = xfer->priv; if (msg) - msg_fetch_notification(msg->input, msg->rx_len, max_len, xfer); + core->msg->fetch_notification(msg->input, msg->rx_len, + max_len, xfer); } /** @@ -669,7 +658,7 @@ static void virtio_mark_txdone(struct scmi_chan_info *cinfo, int ret, * the message we are polling for could be alternatively delivered via usual * IRQs callbacks on another core which happened to have IRQs enabled while we * are actively polling for it here: in such a case it will be handled as such - * by scmi_rx_callback() and the polling loop in the SCMI Core TX path will be + * by rx_callback() and the polling loop in the SCMI Core TX path will be * transparently terminated anyway. * * Return: True once polling has successfully completed. @@ -790,7 +779,6 @@ static bool virtio_poll_done(struct scmi_chan_info *cinfo, } static const struct scmi_transport_ops scmi_virtio_ops = { - .link_supplier = virtio_link_supplier, .chan_available = virtio_chan_available, .chan_setup = virtio_chan_setup, .chan_free = virtio_chan_free, @@ -802,6 +790,23 @@ static const struct scmi_transport_ops scmi_virtio_ops = { .poll_done = virtio_poll_done, }; +static struct scmi_desc scmi_virtio_desc = { + .ops = &scmi_virtio_ops, + /* for non-realtime virtio devices */ + .max_rx_timeout_ms = VIRTIO_MAX_RX_TIMEOUT_MS, + .max_msg = 0, /* overridden by virtio_get_max_msg() */ + .max_msg_size = VIRTIO_SCMI_MAX_MSG_SIZE, + .atomic_enabled = IS_ENABLED(CONFIG_ARM_SCMI_TRANSPORT_VIRTIO_ATOMIC_ENABLE), +}; + +static const struct of_device_id scmi_of_match[] = { + { .compatible = "arm,scmi-virtio" }, + { /* Sentinel */ }, +}; + +DEFINE_SCMI_TRANSPORT_DRIVER(scmi_virtio, scmi_virtio_driver, scmi_virtio_desc, + scmi_of_match, core); + static int scmi_vio_probe(struct virtio_device *vdev) { struct device *dev = &vdev->dev; @@ -861,14 +866,27 @@ static int scmi_vio_probe(struct virtio_device *vdev) } vdev->priv = channels; + /* Ensure initialized scmi_vdev is visible */ smp_store_mb(scmi_vdev, vdev); + ret = platform_driver_register(&scmi_virtio_driver); + if (ret) { + vdev->priv = NULL; + vdev->config->del_vqs(vdev); + /* Ensure NULLified scmi_vdev is visible */ + smp_store_mb(scmi_vdev, NULL); + + return ret; + } + return 0; } static void scmi_vio_remove(struct virtio_device *vdev) { + platform_driver_unregister(&scmi_virtio_driver); + /* * Once we get here, virtio_chan_free() will have already been called by * the SCMI core for any existing channel and, as a consequence, all the @@ -913,23 +931,10 @@ static struct virtio_driver virtio_scmi_driver = { .validate = scmi_vio_validate, }; -static int __init virtio_scmi_init(void) -{ - return register_virtio_driver(&virtio_scmi_driver); -} - -static void virtio_scmi_exit(void) -{ - unregister_virtio_driver(&virtio_scmi_driver); -} +module_virtio_driver(virtio_scmi_driver); -const struct scmi_desc scmi_virtio_desc = { - .transport_init = virtio_scmi_init, - .transport_exit = virtio_scmi_exit, - .ops = &scmi_virtio_ops, - /* for non-realtime virtio devices */ - .max_rx_timeout_ms = VIRTIO_MAX_RX_TIMEOUT_MS, - .max_msg = 0, /* overridden by virtio_get_max_msg() */ - .max_msg_size = VIRTIO_SCMI_MAX_MSG_SIZE, - .atomic_enabled = IS_ENABLED(CONFIG_ARM_SCMI_TRANSPORT_VIRTIO_ATOMIC_ENABLE), -}; +MODULE_AUTHOR("Igor Skalkin <igor.skalkin@opensynergy.com>"); +MODULE_AUTHOR("Peter Hilber <peter.hilber@opensynergy.com>"); +MODULE_AUTHOR("Cristian Marussi <cristian.marussi@arm.com>"); +MODULE_DESCRIPTION("SCMI VirtIO Transport driver"); +MODULE_LICENSE("GPL"); diff --git a/drivers/firmware/arm_scmi/vendors/imx/Kconfig b/drivers/firmware/arm_scmi/vendors/imx/Kconfig new file mode 100644 index 000000000000..2883ed24a84d --- /dev/null +++ b/drivers/firmware/arm_scmi/vendors/imx/Kconfig @@ -0,0 +1,25 @@ +# SPDX-License-Identifier: GPL-2.0-only +menu "ARM SCMI NXP i.MX Vendor Protocols" + +config IMX_SCMI_BBM_EXT + tristate "i.MX SCMI BBM EXTENSION" + depends on ARM_SCMI_PROTOCOL || (COMPILE_TEST && OF) + default y if ARCH_MXC + help + This enables i.MX System BBM control logic which supports RTC + and BUTTON. + + To compile this driver as a module, choose M here: the + module will be called imx-sm-bbm. + +config IMX_SCMI_MISC_EXT + tristate "i.MX SCMI MISC EXTENSION" + depends on ARM_SCMI_PROTOCOL || (COMPILE_TEST && OF) + default y if ARCH_MXC + help + This enables i.MX System MISC control logic such as gpio expander + wakeup + + To compile this driver as a module, choose M here: the + module will be called imx-sm-misc. +endmenu diff --git a/drivers/firmware/arm_scmi/vendors/imx/Makefile b/drivers/firmware/arm_scmi/vendors/imx/Makefile new file mode 100644 index 000000000000..d3ee6d544924 --- /dev/null +++ b/drivers/firmware/arm_scmi/vendors/imx/Makefile @@ -0,0 +1,3 @@ +# SPDX-License-Identifier: GPL-2.0-only +obj-$(CONFIG_IMX_SCMI_BBM_EXT) += imx-sm-bbm.o +obj-$(CONFIG_IMX_SCMI_MISC_EXT) += imx-sm-misc.o diff --git a/drivers/firmware/arm_scmi/vendors/imx/imx-sm-bbm.c b/drivers/firmware/arm_scmi/vendors/imx/imx-sm-bbm.c new file mode 100644 index 000000000000..17799eacf06c --- /dev/null +++ b/drivers/firmware/arm_scmi/vendors/imx/imx-sm-bbm.c @@ -0,0 +1,383 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * System Control and Management Interface (SCMI) NXP BBM Protocol + * + * Copyright 2024 NXP + */ + +#define pr_fmt(fmt) "SCMI Notifications BBM - " fmt + +#include <linux/bits.h> +#include <linux/io.h> +#include <linux/module.h> +#include <linux/of.h> +#include <linux/platform_device.h> +#include <linux/scmi_protocol.h> +#include <linux/scmi_imx_protocol.h> + +#include "../../protocols.h" +#include "../../notify.h" + +#define SCMI_PROTOCOL_SUPPORTED_VERSION 0x10000 + +enum scmi_imx_bbm_protocol_cmd { + IMX_BBM_GPR_SET = 0x3, + IMX_BBM_GPR_GET = 0x4, + IMX_BBM_RTC_ATTRIBUTES = 0x5, + IMX_BBM_RTC_TIME_SET = 0x6, + IMX_BBM_RTC_TIME_GET = 0x7, + IMX_BBM_RTC_ALARM_SET = 0x8, + IMX_BBM_BUTTON_GET = 0x9, + IMX_BBM_RTC_NOTIFY = 0xA, + IMX_BBM_BUTTON_NOTIFY = 0xB, +}; + +#define GET_RTCS_NR(x) le32_get_bits((x), GENMASK(23, 16)) +#define GET_GPRS_NR(x) le32_get_bits((x), GENMASK(15, 0)) + +#define SCMI_IMX_BBM_NOTIFY_RTC_UPDATED BIT(2) +#define SCMI_IMX_BBM_NOTIFY_RTC_ROLLOVER BIT(1) +#define SCMI_IMX_BBM_NOTIFY_RTC_ALARM BIT(0) + +#define SCMI_IMX_BBM_RTC_ALARM_ENABLE_FLAG BIT(0) + +#define SCMI_IMX_BBM_NOTIFY_RTC_FLAG \ + (SCMI_IMX_BBM_NOTIFY_RTC_UPDATED | SCMI_IMX_BBM_NOTIFY_RTC_ROLLOVER | \ + SCMI_IMX_BBM_NOTIFY_RTC_ALARM) + +#define SCMI_IMX_BBM_EVENT_RTC_MASK GENMASK(31, 24) + +struct scmi_imx_bbm_info { + u32 version; + int nr_rtc; + int nr_gpr; +}; + +struct scmi_msg_imx_bbm_protocol_attributes { + __le32 attributes; +}; + +struct scmi_imx_bbm_set_time { + __le32 id; + __le32 flags; + __le32 value_low; + __le32 value_high; +}; + +struct scmi_imx_bbm_get_time { + __le32 id; + __le32 flags; +}; + +struct scmi_imx_bbm_alarm_time { + __le32 id; + __le32 flags; + __le32 value_low; + __le32 value_high; +}; + +struct scmi_msg_imx_bbm_rtc_notify { + __le32 rtc_id; + __le32 flags; +}; + +struct scmi_msg_imx_bbm_button_notify { + __le32 flags; +}; + +struct scmi_imx_bbm_notify_payld { + __le32 flags; +}; + +static int scmi_imx_bbm_attributes_get(const struct scmi_protocol_handle *ph, + struct scmi_imx_bbm_info *pi) +{ + int ret; + struct scmi_xfer *t; + struct scmi_msg_imx_bbm_protocol_attributes *attr; + + ret = ph->xops->xfer_get_init(ph, PROTOCOL_ATTRIBUTES, 0, sizeof(*attr), &t); + if (ret) + return ret; + + attr = t->rx.buf; + + ret = ph->xops->do_xfer(ph, t); + if (!ret) { + pi->nr_rtc = GET_RTCS_NR(attr->attributes); + pi->nr_gpr = GET_GPRS_NR(attr->attributes); + } + + ph->xops->xfer_put(ph, t); + + return ret; +} + +static int scmi_imx_bbm_notify(const struct scmi_protocol_handle *ph, + u32 src_id, int message_id, bool enable) +{ + int ret; + struct scmi_xfer *t; + + if (message_id == IMX_BBM_RTC_NOTIFY) { + struct scmi_msg_imx_bbm_rtc_notify *rtc_notify; + + ret = ph->xops->xfer_get_init(ph, message_id, + sizeof(*rtc_notify), 0, &t); + if (ret) + return ret; + + rtc_notify = t->tx.buf; + rtc_notify->rtc_id = cpu_to_le32(0); + rtc_notify->flags = + cpu_to_le32(enable ? SCMI_IMX_BBM_NOTIFY_RTC_FLAG : 0); + } else if (message_id == IMX_BBM_BUTTON_NOTIFY) { + struct scmi_msg_imx_bbm_button_notify *button_notify; + + ret = ph->xops->xfer_get_init(ph, message_id, + sizeof(*button_notify), 0, &t); + if (ret) + return ret; + + button_notify = t->tx.buf; + button_notify->flags = cpu_to_le32(enable ? 1 : 0); + } else { + return -EINVAL; + } + + ret = ph->xops->do_xfer(ph, t); + + ph->xops->xfer_put(ph, t); + return ret; +} + +static enum scmi_imx_bbm_protocol_cmd evt_2_cmd[] = { + IMX_BBM_RTC_NOTIFY, + IMX_BBM_BUTTON_NOTIFY +}; + +static int scmi_imx_bbm_set_notify_enabled(const struct scmi_protocol_handle *ph, + u8 evt_id, u32 src_id, bool enable) +{ + int ret, cmd_id; + + if (evt_id >= ARRAY_SIZE(evt_2_cmd)) + return -EINVAL; + + cmd_id = evt_2_cmd[evt_id]; + ret = scmi_imx_bbm_notify(ph, src_id, cmd_id, enable); + if (ret) + pr_debug("FAIL_ENABLED - evt[%X] dom[%d] - ret:%d\n", + evt_id, src_id, ret); + + return ret; +} + +static void *scmi_imx_bbm_fill_custom_report(const struct scmi_protocol_handle *ph, + u8 evt_id, ktime_t timestamp, + const void *payld, size_t payld_sz, + void *report, u32 *src_id) +{ + const struct scmi_imx_bbm_notify_payld *p = payld; + struct scmi_imx_bbm_notif_report *r = report; + + if (sizeof(*p) != payld_sz) + return NULL; + + if (evt_id == SCMI_EVENT_IMX_BBM_RTC) { + r->is_rtc = true; + r->is_button = false; + r->timestamp = timestamp; + r->rtc_id = le32_get_bits(p->flags, SCMI_IMX_BBM_EVENT_RTC_MASK); + r->rtc_evt = le32_get_bits(p->flags, SCMI_IMX_BBM_NOTIFY_RTC_FLAG); + dev_dbg(ph->dev, "RTC: %d evt: %x\n", r->rtc_id, r->rtc_evt); + *src_id = r->rtc_evt; + } else if (evt_id == SCMI_EVENT_IMX_BBM_BUTTON) { + r->is_rtc = false; + r->is_button = true; + r->timestamp = timestamp; + dev_dbg(ph->dev, "BBM Button\n"); + *src_id = 0; + } else { + WARN_ON_ONCE(1); + return NULL; + } + + return r; +} + +static const struct scmi_event scmi_imx_bbm_events[] = { + { + .id = SCMI_EVENT_IMX_BBM_RTC, + .max_payld_sz = sizeof(struct scmi_imx_bbm_notify_payld), + .max_report_sz = sizeof(struct scmi_imx_bbm_notif_report), + }, + { + .id = SCMI_EVENT_IMX_BBM_BUTTON, + .max_payld_sz = sizeof(struct scmi_imx_bbm_notify_payld), + .max_report_sz = sizeof(struct scmi_imx_bbm_notif_report), + }, +}; + +static const struct scmi_event_ops scmi_imx_bbm_event_ops = { + .set_notify_enabled = scmi_imx_bbm_set_notify_enabled, + .fill_custom_report = scmi_imx_bbm_fill_custom_report, +}; + +static const struct scmi_protocol_events scmi_imx_bbm_protocol_events = { + .queue_sz = SCMI_PROTO_QUEUE_SZ, + .ops = &scmi_imx_bbm_event_ops, + .evts = scmi_imx_bbm_events, + .num_events = ARRAY_SIZE(scmi_imx_bbm_events), + .num_sources = 1, +}; + +static int scmi_imx_bbm_rtc_time_set(const struct scmi_protocol_handle *ph, + u32 rtc_id, u64 sec) +{ + struct scmi_imx_bbm_info *pi = ph->get_priv(ph); + struct scmi_imx_bbm_set_time *cfg; + struct scmi_xfer *t; + int ret; + + if (rtc_id >= pi->nr_rtc) + return -EINVAL; + + ret = ph->xops->xfer_get_init(ph, IMX_BBM_RTC_TIME_SET, sizeof(*cfg), 0, &t); + if (ret) + return ret; + + cfg = t->tx.buf; + cfg->id = cpu_to_le32(rtc_id); + cfg->flags = 0; + cfg->value_low = cpu_to_le32(lower_32_bits(sec)); + cfg->value_high = cpu_to_le32(upper_32_bits(sec)); + + ret = ph->xops->do_xfer(ph, t); + + ph->xops->xfer_put(ph, t); + + return ret; +} + +static int scmi_imx_bbm_rtc_time_get(const struct scmi_protocol_handle *ph, + u32 rtc_id, u64 *value) +{ + struct scmi_imx_bbm_info *pi = ph->get_priv(ph); + struct scmi_imx_bbm_get_time *cfg; + struct scmi_xfer *t; + int ret; + + if (rtc_id >= pi->nr_rtc) + return -EINVAL; + + ret = ph->xops->xfer_get_init(ph, IMX_BBM_RTC_TIME_GET, sizeof(*cfg), + sizeof(u64), &t); + if (ret) + return ret; + + cfg = t->tx.buf; + cfg->id = cpu_to_le32(rtc_id); + cfg->flags = 0; + + ret = ph->xops->do_xfer(ph, t); + if (!ret) + *value = get_unaligned_le64(t->rx.buf); + + ph->xops->xfer_put(ph, t); + + return ret; +} + +static int scmi_imx_bbm_rtc_alarm_set(const struct scmi_protocol_handle *ph, + u32 rtc_id, bool enable, u64 sec) +{ + struct scmi_imx_bbm_info *pi = ph->get_priv(ph); + struct scmi_imx_bbm_alarm_time *cfg; + struct scmi_xfer *t; + int ret; + + if (rtc_id >= pi->nr_rtc) + return -EINVAL; + + ret = ph->xops->xfer_get_init(ph, IMX_BBM_RTC_ALARM_SET, sizeof(*cfg), 0, &t); + if (ret) + return ret; + + cfg = t->tx.buf; + cfg->id = cpu_to_le32(rtc_id); + cfg->flags = enable ? + cpu_to_le32(SCMI_IMX_BBM_RTC_ALARM_ENABLE_FLAG) : 0; + cfg->value_low = cpu_to_le32(lower_32_bits(sec)); + cfg->value_high = cpu_to_le32(upper_32_bits(sec)); + + ret = ph->xops->do_xfer(ph, t); + + ph->xops->xfer_put(ph, t); + + return ret; +} + +static int scmi_imx_bbm_button_get(const struct scmi_protocol_handle *ph, u32 *state) +{ + struct scmi_xfer *t; + int ret; + + ret = ph->xops->xfer_get_init(ph, IMX_BBM_BUTTON_GET, 0, sizeof(u32), &t); + if (ret) + return ret; + + ret = ph->xops->do_xfer(ph, t); + if (!ret) + *state = get_unaligned_le32(t->rx.buf); + + ph->xops->xfer_put(ph, t); + + return ret; +} + +static const struct scmi_imx_bbm_proto_ops scmi_imx_bbm_proto_ops = { + .rtc_time_get = scmi_imx_bbm_rtc_time_get, + .rtc_time_set = scmi_imx_bbm_rtc_time_set, + .rtc_alarm_set = scmi_imx_bbm_rtc_alarm_set, + .button_get = scmi_imx_bbm_button_get, +}; + +static int scmi_imx_bbm_protocol_init(const struct scmi_protocol_handle *ph) +{ + u32 version; + int ret; + struct scmi_imx_bbm_info *binfo; + + ret = ph->xops->version_get(ph, &version); + if (ret) + return ret; + + dev_info(ph->dev, "NXP SM BBM Version %d.%d\n", + PROTOCOL_REV_MAJOR(version), PROTOCOL_REV_MINOR(version)); + + binfo = devm_kzalloc(ph->dev, sizeof(*binfo), GFP_KERNEL); + if (!binfo) + return -ENOMEM; + + ret = scmi_imx_bbm_attributes_get(ph, binfo); + if (ret) + return ret; + + return ph->set_priv(ph, binfo, version); +} + +static const struct scmi_protocol scmi_imx_bbm = { + .id = SCMI_PROTOCOL_IMX_BBM, + .owner = THIS_MODULE, + .instance_init = &scmi_imx_bbm_protocol_init, + .ops = &scmi_imx_bbm_proto_ops, + .events = &scmi_imx_bbm_protocol_events, + .supported_version = SCMI_PROTOCOL_SUPPORTED_VERSION, + .vendor_id = "NXP", + .sub_vendor_id = "IMX", +}; +module_scmi_protocol(scmi_imx_bbm); + +MODULE_DESCRIPTION("i.MX SCMI BBM driver"); +MODULE_LICENSE("GPL"); diff --git a/drivers/firmware/arm_scmi/vendors/imx/imx-sm-misc.c b/drivers/firmware/arm_scmi/vendors/imx/imx-sm-misc.c new file mode 100644 index 000000000000..a86ab9b35953 --- /dev/null +++ b/drivers/firmware/arm_scmi/vendors/imx/imx-sm-misc.c @@ -0,0 +1,318 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * System control and Management Interface (SCMI) NXP MISC Protocol + * + * Copyright 2024 NXP + */ + +#define pr_fmt(fmt) "SCMI Notifications MISC - " fmt + +#include <linux/bits.h> +#include <linux/io.h> +#include <linux/module.h> +#include <linux/of.h> +#include <linux/platform_device.h> +#include <linux/scmi_protocol.h> +#include <linux/scmi_imx_protocol.h> + +#include "../../protocols.h" +#include "../../notify.h" + +#define SCMI_PROTOCOL_SUPPORTED_VERSION 0x10000 + +#define MAX_MISC_CTRL_SOURCES GENMASK(15, 0) + +enum scmi_imx_misc_protocol_cmd { + SCMI_IMX_MISC_CTRL_SET = 0x3, + SCMI_IMX_MISC_CTRL_GET = 0x4, + SCMI_IMX_MISC_CTRL_NOTIFY = 0x8, +}; + +struct scmi_imx_misc_info { + u32 version; + u32 nr_dev_ctrl; + u32 nr_brd_ctrl; + u32 nr_reason; +}; + +struct scmi_msg_imx_misc_protocol_attributes { + __le32 attributes; +}; + +#define GET_BRD_CTRLS_NR(x) le32_get_bits((x), GENMASK(31, 24)) +#define GET_REASONS_NR(x) le32_get_bits((x), GENMASK(23, 16)) +#define GET_DEV_CTRLS_NR(x) le32_get_bits((x), GENMASK(15, 0)) +#define BRD_CTRL_START_ID BIT(15) + +struct scmi_imx_misc_ctrl_set_in { + __le32 id; + __le32 num; + __le32 value[]; +}; + +struct scmi_imx_misc_ctrl_notify_in { + __le32 ctrl_id; + __le32 flags; +}; + +struct scmi_imx_misc_ctrl_notify_payld { + __le32 ctrl_id; + __le32 flags; +}; + +struct scmi_imx_misc_ctrl_get_out { + __le32 num; + __le32 val[]; +}; + +static int scmi_imx_misc_attributes_get(const struct scmi_protocol_handle *ph, + struct scmi_imx_misc_info *mi) +{ + int ret; + struct scmi_xfer *t; + struct scmi_msg_imx_misc_protocol_attributes *attr; + + ret = ph->xops->xfer_get_init(ph, PROTOCOL_ATTRIBUTES, 0, + sizeof(*attr), &t); + if (ret) + return ret; + + attr = t->rx.buf; + + ret = ph->xops->do_xfer(ph, t); + if (!ret) { + mi->nr_dev_ctrl = GET_DEV_CTRLS_NR(attr->attributes); + mi->nr_brd_ctrl = GET_BRD_CTRLS_NR(attr->attributes); + mi->nr_reason = GET_REASONS_NR(attr->attributes); + dev_info(ph->dev, "i.MX MISC NUM DEV CTRL: %d, NUM BRD CTRL: %d,NUM Reason: %d\n", + mi->nr_dev_ctrl, mi->nr_brd_ctrl, mi->nr_reason); + } + + ph->xops->xfer_put(ph, t); + + return ret; +} + +static int scmi_imx_misc_ctrl_validate_id(const struct scmi_protocol_handle *ph, + u32 ctrl_id) +{ + struct scmi_imx_misc_info *mi = ph->get_priv(ph); + + /* + * [0, BRD_CTRL_START_ID) is for Dev Ctrl which is SOC related + * [BRD_CTRL_START_ID, 0xffff) is for Board Ctrl which is board related + */ + if (ctrl_id < BRD_CTRL_START_ID && ctrl_id > mi->nr_dev_ctrl) + return -EINVAL; + if (ctrl_id >= BRD_CTRL_START_ID + mi->nr_brd_ctrl) + return -EINVAL; + + return 0; +} + +static int scmi_imx_misc_ctrl_notify(const struct scmi_protocol_handle *ph, + u32 ctrl_id, u32 evt_id, u32 flags) +{ + struct scmi_imx_misc_ctrl_notify_in *in; + struct scmi_xfer *t; + int ret; + + ret = scmi_imx_misc_ctrl_validate_id(ph, ctrl_id); + if (ret) + return ret; + + ret = ph->xops->xfer_get_init(ph, SCMI_IMX_MISC_CTRL_NOTIFY, + sizeof(*in), 0, &t); + if (ret) + return ret; + + in = t->tx.buf; + in->ctrl_id = cpu_to_le32(ctrl_id); + in->flags = cpu_to_le32(flags); + + ret = ph->xops->do_xfer(ph, t); + + ph->xops->xfer_put(ph, t); + + return ret; +} + +static int +scmi_imx_misc_ctrl_set_notify_enabled(const struct scmi_protocol_handle *ph, + u8 evt_id, u32 src_id, bool enable) +{ + int ret; + + /* misc_ctrl_req_notify is for enablement */ + if (enable) + return 0; + + ret = scmi_imx_misc_ctrl_notify(ph, src_id, evt_id, 0); + if (ret) + dev_err(ph->dev, "FAIL_ENABLED - evt[%X] src[%d] - ret:%d\n", + evt_id, src_id, ret); + + return ret; +} + +static void * +scmi_imx_misc_ctrl_fill_custom_report(const struct scmi_protocol_handle *ph, + u8 evt_id, ktime_t timestamp, + const void *payld, size_t payld_sz, + void *report, u32 *src_id) +{ + const struct scmi_imx_misc_ctrl_notify_payld *p = payld; + struct scmi_imx_misc_ctrl_notify_report *r = report; + + if (sizeof(*p) != payld_sz) + return NULL; + + r->timestamp = timestamp; + r->ctrl_id = le32_to_cpu(p->ctrl_id); + r->flags = le32_to_cpu(p->flags); + if (src_id) + *src_id = r->ctrl_id; + dev_dbg(ph->dev, "%s: ctrl_id: %d flags: %d\n", __func__, + r->ctrl_id, r->flags); + + return r; +} + +static const struct scmi_event_ops scmi_imx_misc_event_ops = { + .set_notify_enabled = scmi_imx_misc_ctrl_set_notify_enabled, + .fill_custom_report = scmi_imx_misc_ctrl_fill_custom_report, +}; + +static const struct scmi_event scmi_imx_misc_events[] = { + { + .id = SCMI_EVENT_IMX_MISC_CONTROL, + .max_payld_sz = sizeof(struct scmi_imx_misc_ctrl_notify_payld), + .max_report_sz = sizeof(struct scmi_imx_misc_ctrl_notify_report), + }, +}; + +static struct scmi_protocol_events scmi_imx_misc_protocol_events = { + .queue_sz = SCMI_PROTO_QUEUE_SZ, + .ops = &scmi_imx_misc_event_ops, + .evts = scmi_imx_misc_events, + .num_events = ARRAY_SIZE(scmi_imx_misc_events), + .num_sources = MAX_MISC_CTRL_SOURCES, +}; + +static int scmi_imx_misc_ctrl_get(const struct scmi_protocol_handle *ph, + u32 ctrl_id, u32 *num, u32 *val) +{ + struct scmi_imx_misc_ctrl_get_out *out; + struct scmi_xfer *t; + int ret, i; + int max_msg_size = ph->hops->get_max_msg_size(ph); + int max_num = (max_msg_size - sizeof(*out)) / sizeof(__le32); + + ret = scmi_imx_misc_ctrl_validate_id(ph, ctrl_id); + if (ret) + return ret; + + ret = ph->xops->xfer_get_init(ph, SCMI_IMX_MISC_CTRL_GET, sizeof(u32), + 0, &t); + if (ret) + return ret; + + put_unaligned_le32(ctrl_id, t->tx.buf); + ret = ph->xops->do_xfer(ph, t); + if (!ret) { + out = t->rx.buf; + *num = le32_to_cpu(out->num); + + if (*num >= max_num || + *num * sizeof(__le32) > t->rx.len - sizeof(__le32)) { + ph->xops->xfer_put(ph, t); + return -EINVAL; + } + + for (i = 0; i < *num; i++) + val[i] = le32_to_cpu(out->val[i]); + } + + ph->xops->xfer_put(ph, t); + + return ret; +} + +static int scmi_imx_misc_ctrl_set(const struct scmi_protocol_handle *ph, + u32 ctrl_id, u32 num, u32 *val) +{ + struct scmi_imx_misc_ctrl_set_in *in; + struct scmi_xfer *t; + int ret, i; + int max_msg_size = ph->hops->get_max_msg_size(ph); + int max_num = (max_msg_size - sizeof(*in)) / sizeof(__le32); + + ret = scmi_imx_misc_ctrl_validate_id(ph, ctrl_id); + if (ret) + return ret; + + if (num > max_num) + return -EINVAL; + + ret = ph->xops->xfer_get_init(ph, SCMI_IMX_MISC_CTRL_SET, sizeof(*in), + 0, &t); + if (ret) + return ret; + + in = t->tx.buf; + in->id = cpu_to_le32(ctrl_id); + in->num = cpu_to_le32(num); + for (i = 0; i < num; i++) + in->value[i] = cpu_to_le32(val[i]); + + ret = ph->xops->do_xfer(ph, t); + + ph->xops->xfer_put(ph, t); + + return ret; +} + +static const struct scmi_imx_misc_proto_ops scmi_imx_misc_proto_ops = { + .misc_ctrl_set = scmi_imx_misc_ctrl_set, + .misc_ctrl_get = scmi_imx_misc_ctrl_get, + .misc_ctrl_req_notify = scmi_imx_misc_ctrl_notify, +}; + +static int scmi_imx_misc_protocol_init(const struct scmi_protocol_handle *ph) +{ + struct scmi_imx_misc_info *minfo; + u32 version; + int ret; + + ret = ph->xops->version_get(ph, &version); + if (ret) + return ret; + + dev_info(ph->dev, "NXP SM MISC Version %d.%d\n", + PROTOCOL_REV_MAJOR(version), PROTOCOL_REV_MINOR(version)); + + minfo = devm_kzalloc(ph->dev, sizeof(*minfo), GFP_KERNEL); + if (!minfo) + return -ENOMEM; + + ret = scmi_imx_misc_attributes_get(ph, minfo); + if (ret) + return ret; + + return ph->set_priv(ph, minfo, version); +} + +static const struct scmi_protocol scmi_imx_misc = { + .id = SCMI_PROTOCOL_IMX_MISC, + .owner = THIS_MODULE, + .instance_init = &scmi_imx_misc_protocol_init, + .ops = &scmi_imx_misc_proto_ops, + .events = &scmi_imx_misc_protocol_events, + .supported_version = SCMI_PROTOCOL_SUPPORTED_VERSION, + .vendor_id = "NXP", + .sub_vendor_id = "IMX", +}; +module_scmi_protocol(scmi_imx_misc); + +MODULE_DESCRIPTION("i.MX SCMI MISC driver"); +MODULE_LICENSE("GPL"); diff --git a/drivers/firmware/arm_scmi/vendors/imx/imx95.rst b/drivers/firmware/arm_scmi/vendors/imx/imx95.rst new file mode 100644 index 000000000000..b2dfd6c46ca2 --- /dev/null +++ b/drivers/firmware/arm_scmi/vendors/imx/imx95.rst @@ -0,0 +1,886 @@ +.. SPDX-License-Identifier: GPL-2.0 +.. include:: <isonum.txt> + +=============================================================================== +i.MX95 System Control and Management Interface(SCMI) Vendor Protocols Extension +=============================================================================== + +:Copyright: |copy| 2024 NXP + +:Author: Peng Fan <peng.fan@nxp.com> + +The System Manager (SM) is a low-level system function which runs on a System +Control Processor (SCP) to support isolation and management of power domains, +clocks, resets, sensors, pins, etc. on complex application processors. It often +runs on a Cortex-M processor and provides an abstraction to many of the +underlying features of the hardware. The primary purpose of the SM is to allow +isolation between software running on different cores in the SoC. It does this +by having exclusive access to critical resources such as those controlling +power, clocks, reset, PMIC, etc. and then providing an RPC interface to those +clients. This allows the SM to provide access control, arbitration, and +aggregation policies for those shared critical resources. + +SM introduces a concept Logic Machine(LM) which is analogous to VM and each has +its own instance of SCMI. All normal SCMI calls only apply to that LM. That +includes boot, shutdown, reset, suspend, wake, etc. Each LM (e.g. A55 and M7) +are completely isolated from the others and each LM has its own communication +channels talking to the same SCMI server. + +This document covers all the information necessary to understand, maintain, +port, and deploy the SM on supported processors. + +The SM implements an interface compliant with the Arm SCMI Specification +with additional vendor specific extensions. + +SCMI_BBM: System Control and Management BBM Vendor Protocol +============================================================== + +This protocol is intended provide access to the battery-backed module. This +contains persistent storage (GPR), an RTC, and the ON/OFF button. The protocol +can also provide access to similar functions implemented via external board +components. The BBM protocol provides functions to: + +- Describe the protocol version. +- Discover implementation attributes. +- Read/write GPR +- Discover the RTCs available in the system. +- Read/write the RTC time in seconds and ticks +- Set an alarm (per LM) in seconds +- Get notifications on RTC update, alarm, or rollover. +- Get notification on ON/OFF button activity. + +For most SoC, there is one on-chip RTC (e.g. in BBNSM) and this is RTC ID 0. +Board code can add additional GPR and RTC. + +GPR are not aggregated. The RTC time is also not aggregated. Setting these +sets for all so normally exclusive access would be granted to one agent for +each. However, RTC alarms are maintained for each LM and the hardware is +programmed with the next nearest alarm time. So only one agent in an LM should +be given access rights to set an RTC alarm. + +Commands: +_________ + +PROTOCOL_VERSION +~~~~~~~~~~~~~~~~ + +message_id: 0x0 +protocol_id: 0x81 + ++---------------+--------------------------------------------------------------+ +|Return values | ++---------------+--------------------------------------------------------------+ +|Name |Description | ++---------------+--------------------------------------------------------------+ +|int32 status | See ARM SCMI Specification for status code definitions. | ++---------------+--------------------------------------------------------------+ +|uint32 version | For this revision of the specification, this value must be | +| | 0x10000. | ++---------------+--------------------------------------------------------------+ + +PROTOCOL_ATTRIBUTES +~~~~~~~~~~~~~~~~~~~ + +message_id: 0x1 +protocol_id: 0x81 + ++---------------+--------------------------------------------------------------+ +|Return values | ++------------------+-----------------------------------------------------------+ +|Name |Description | ++------------------+-----------------------------------------------------------+ +|int32 status | See ARM SCMI Specification for status code definitions. | ++------------------+-----------------------------------------------------------+ +|uint32 attributes | Bits[31:8] Number of RTCs. | +| | Bits[15:0] Number of persistent storage (GPR) words. | ++------------------+-----------------------------------------------------------+ + +PROTOCOL_MESSAGE_ATTRIBUTES +~~~~~~~~~~~~~~~~~~~~~~~~~~~ + +message_id: 0x2 +protocol_id: 0x81 + ++---------------+--------------------------------------------------------------+ +|Return values | ++------------------+-----------------------------------------------------------+ +|Name |Description | ++------------------+-----------------------------------------------------------+ +|int32 status |SUCCESS: in case the message is implemented and available | +| |to use. | +| |NOT_FOUND: if the message identified by message_id is | +| |invalid or not implemented | ++------------------+-----------------------------------------------------------+ +|uint32 attributes |Flags that are associated with a specific function in the | +| |protocol. For all functions in this protocol, this | +| |parameter has a value of 0 | ++------------------+-----------------------------------------------------------+ + +BBM_GPR_SET +~~~~~~~~~~~ + +message_id: 0x3 +protocol_id: 0x81 + ++------------------+-----------------------------------------------------------+ +|Parameters | ++------------------+-----------------------------------------------------------+ +|Name |Description | ++------------------+-----------------------------------------------------------+ +|uint32 index |Index of GPR to write | ++------------------+-----------------------------------------------------------+ +|uint32 value |32-bit value to write to the GPR | ++------------------+-----------------------------------------------------------+ +|Return values | ++------------------+-----------------------------------------------------------+ +|Name |Description | ++------------------+-----------------------------------------------------------+ +|int32 status |SUCCESS: if the GPR was successfully written. | +| |NOT_FOUND: if the index is not valid. | +| |DENIED: if the agent does not have permission to write | +| |the specified GPR | ++------------------+-----------------------------------------------------------+ + +BBM_GPR_GET +~~~~~~~~~~~ + +message_id: 0x4 +protocol_id: 0x81 + ++------------------+-----------------------------------------------------------+ +|Parameters | ++------------------+-----------------------------------------------------------+ +|Name |Description | ++------------------+-----------------------------------------------------------+ +|uint32 index |Index of GPR to read | ++------------------+-----------------------------------------------------------+ +|Return values | ++------------------+-----------------------------------------------------------+ +|Name |Description | ++------------------+-----------------------------------------------------------+ +|int32 status |SUCCESS: if the GPR was successfully read. | +| |NOT_FOUND: if the index is not valid. | +| |DENIED: if the agent does not have permission to read | +| |the specified GPR. | ++------------------+-----------------------------------------------------------+ +|uint32 value |32-bit value read from the GPR | ++------------------+-----------------------------------------------------------+ + +BBM_RTC_ATTRIBUTES +~~~~~~~~~~~~~~~~~~ + +message_id: 0x5 +protocol_id: 0x81 + ++------------------+-----------------------------------------------------------+ +|Parameters | ++------------------+-----------------------------------------------------------+ +|Name |Description | ++------------------+-----------------------------------------------------------+ +|uint32 index |Index of RTC | ++------------------+-----------------------------------------------------------+ +|Return values | ++------------------+-----------------------------------------------------------+ +|Name |Description | ++------------------+-----------------------------------------------------------+ +|int32 status |SUCCESS: returned the attributes. | +| |NOT_FOUND: Index is invalid. | ++------------------+-----------------------------------------------------------+ +|uint32 attributes |Bit[31:24] Bit width of RTC seconds. | +| |Bit[23:16] Bit width of RTC ticks. | +| |Bits[15:0] RTC ticks per second | ++------------------+-----------------------------------------------------------+ +|uint8 name[16] |Null-terminated ASCII string of up to 16 bytes in length | +| |describing the RTC name | ++------------------+-----------------------------------------------------------+ + +BBM_RTC_TIME_SET +~~~~~~~~~~~~~~~~ + +message_id: 0x6 +protocol_id: 0x81 + ++------------------+-----------------------------------------------------------+ +|Parameters | ++------------------+-----------------------------------------------------------+ +|Name |Description | ++------------------+-----------------------------------------------------------+ +|uint32 index |Index of RTC | ++------------------+-----------------------------------------------------------+ +|uint32 flags |Bits[31:1] Reserved, must be zero. | +| |Bit[0] RTC time format: | +| |Set to 1 if the time is in ticks. | +| |Set to 0 if the time is in seconds | ++------------------+-----------------------------------------------------------+ +|uint32 time[2] |Lower word: Lower 32 bits of the time in seconds/ticks. | +| |Upper word: Upper 32 bits of the time in seconds/ticks. | ++------------------+-----------------------------------------------------------+ +|Return values | ++------------------+-----------------------------------------------------------+ +|Name |Description | ++------------------+-----------------------------------------------------------+ +|int32 status |SUCCESS: RTC time was successfully set. | +| |NOT_FOUND: rtcId pertains to a non-existent RTC. | +| |INVALID_PARAMETERS: time is not valid | +| |(beyond the range of the RTC). | +| |DENIED: the agent does not have permission to set the RTC. | ++------------------+-----------------------------------------------------------+ + +BBM_RTC_TIME_GET +~~~~~~~~~~~~~~~~ + +message_id: 0x7 +protocol_id: 0x81 + ++------------------+-----------------------------------------------------------+ +|Parameters | ++------------------+-----------------------------------------------------------+ +|Name |Description | ++------------------+-----------------------------------------------------------+ +|uint32 index |Index of RTC | ++------------------+-----------------------------------------------------------+ +|uint32 flags |Bits[31:1] Reserved, must be zero. | +| |Bit[0] RTC time format: | +| |Set to 1 if the time is in ticks. | +| |Set to 0 if the time is in seconds | ++------------------+-----------------------------------------------------------+ +|Return values | ++------------------+-----------------------------------------------------------+ +|Name |Description | ++------------------+-----------------------------------------------------------+ +|int32 status |SUCCESS: RTC time was successfully get. | +| |NOT_FOUND: rtcId pertains to a non-existent RTC. | ++------------------+-----------------------------------------------------------+ +|uint32 time[2] |Lower word: Lower 32 bits of the time in seconds/ticks. | +| |Upper word: Upper 32 bits of the time in seconds/ticks. | ++------------------+-----------------------------------------------------------+ + +BBM_RTC_ALARM_SET +~~~~~~~~~~~~~~~~~ + +message_id: 0x8 +protocol_id: 0x81 + ++------------------+-----------------------------------------------------------+ +|Parameters | ++------------------+-----------------------------------------------------------+ +|Name |Description | ++------------------+-----------------------------------------------------------+ +|uint32 index |Index of RTC | ++------------------+-----------------------------------------------------------+ +|uint32 flags |Bits[31:1] Reserved, must be zero. | +| |Bit[0] RTC enable flag: | +| |Set to 1 if the RTC alarm should be enabled. | +| |Set to 0 if the RTC alarm should be disabled | ++------------------+-----------------------------------------------------------+ +|uint32 time[2] |Lower word: Lower 32 bits of the time in seconds. | +| |Upper word: Upper 32 bits of the time in seconds. | ++------------------+-----------------------------------------------------------+ +|Return values | ++------------------+-----------------------------------------------------------+ +|Name |Description | ++------------------+-----------------------------------------------------------+ +|int32 status |SUCCESS: RTC time was successfully set. | +| |NOT_FOUND: rtcId pertains to a non-existent RTC. | +| |INVALID_PARAMETERS: time is not valid | +| |(beyond the range of the RTC). | +| |DENIED: the agent does not have permission to set the RTC | +| |alarm | ++------------------+-----------------------------------------------------------+ + +BBM_BUTTON_GET +~~~~~~~~~~~~~~ + +message_id: 0x9 +protocol_id: 0x81 + ++------------------+-----------------------------------------------------------+ +|Return values | ++------------------+-----------------------------------------------------------+ +|Name |Description | ++------------------+-----------------------------------------------------------+ +|int32 status |SUCCESS: if the button status was read. | +| |Other value: ARM SCMI Specification status code definitions| ++------------------+-----------------------------------------------------------+ +|uint32 state |State of the ON/OFF button. 1: ON, 0: OFF | ++------------------+-----------------------------------------------------------+ + +BBM_RTC_NOTIFY +~~~~~~~~~~~~~~ + +message_id: 0xA +protocol_id: 0x81 + ++------------------+-----------------------------------------------------------+ +|Parameters | ++------------------+-----------------------------------------------------------+ +|Name |Description | ++------------------+-----------------------------------------------------------+ +|uint32 index |Index of RTC | ++------------------+-----------------------------------------------------------+ +|uint32 flags |Notification flags | +| |Bits[31:3] Reserved, must be zero. | +| |Bit[2] Update enable: | +| |Set to 1 to send notification. | +| |Set to 0 if no notification. | +| |Bit[1] Rollover enable: | +| |Set to 1 to send notification. | +| |Set to 0 if no notification. | +| |Bit[0] Alarm enable: | +| |Set to 1 to send notification. | +| |Set to 0 if no notification | ++------------------+-----------------------------------------------------------+ +|Return values | ++------------------+-----------------------------------------------------------+ +|Name |Description | ++------------------+-----------------------------------------------------------+ +|int32 status |SUCCESS: notification configuration was successfully | +| |updated. | +| |NOT_FOUND: rtcId pertains to a non-existent RTC. | +| |DENIED: the agent does not have permission to request RTC | +| |notifications. | ++------------------+-----------------------------------------------------------+ + +BBM_BUTTON_NOTIFY +~~~~~~~~~~~~~~~~~ + +message_id: 0xB +protocol_id: 0x81 + ++------------------+-----------------------------------------------------------+ +|Parameters | ++------------------+-----------------------------------------------------------+ +|Name |Description | ++------------------+-----------------------------------------------------------+ +|uint32 flags |Notification flags | +| |Bits[31:1] Reserved, must be zero. | +| |Bit[0] Enable button: | +| |Set to 1 to send notification. | +| |Set to 0 if no notification | ++------------------+-----------------------------------------------------------+ +|Return values | ++------------------+-----------------------------------------------------------+ +|Name |Description | ++------------------+-----------------------------------------------------------+ +|int32 status |SUCCESS: notification configuration was successfully | +| |updated. | +| |DENIED: the agent does not have permission to request | +| |button notifications. | ++------------------+-----------------------------------------------------------+ + +NEGOTIATE_PROTOCOL_VERSION +~~~~~~~~~~~~~~~~~~~~~~~~~~ + +message_id: 0x10 +protocol_id: 0x81 + ++--------------------+---------------------------------------------------------+ +|Parameters | ++--------------------+---------------------------------------------------------+ +|Name |Description | ++--------------------+---------------------------------------------------------+ +|uint32 version |The negotiated protocol version the agent intends to use | ++--------------------+---------------------------------------------------------+ +|Return values | ++--------------------+---------------------------------------------------------+ +|Name |Description | ++--------------------+---------------------------------------------------------+ +|int32 status |SUCCESS: if the negotiated protocol version is supported | +| |by the platform. All commands, responses, and | +| |notifications post successful return of this command must| +| |comply with the negotiated version. | +| |NOT_SUPPORTED: if the protocol version is not supported. | ++--------------------+---------------------------------------------------------+ + +Notifications +_____________ + +BBM_RTC_EVENT +~~~~~~~~~~~~~ + +message_id: 0x0 +protocol_id: 0x81 + ++------------------+-----------------------------------------------------------+ +|Parameters | ++------------------+-----------------------------------------------------------+ +|Name |Description | ++------------------+-----------------------------------------------------------+ +|uint32 flags |RTC events: | +| |Bits[31:2] Reserved, must be zero. | +| |Bit[1] RTC rollover notification: | +| |1 RTC rollover detected. | +| |0 no RTC rollover detected. | +| |Bit[0] RTC alarm notification: | +| |1 RTC alarm generated. | +| |0 no RTC alarm generated. | ++------------------+-----------------------------------------------------------+ + +BBM_BUTTON_EVENT +~~~~~~~~~~~~~~~~ + +message_id: 0x1 +protocol_id: 0x81 + ++------------------+-----------------------------------------------------------+ +|Parameters | ++------------------+-----------------------------------------------------------+ +|Name |Description | ++------------------+-----------------------------------------------------------+ +|uint32 flags |RTC events: | ++------------------+-----------------------------------------------------------+ +| |Button events: | +| |Bits[31:1] Reserved, must be zero. | +| |Bit[0] Button notification: | +| |1 button change detected. | +| |0 no button change detected. | ++------------------+-----------------------------------------------------------+ + +SCMI_MISC: System Control and Management MISC Vendor Protocol +================================================================ + +Provides miscellaneous functions. This includes controls that are miscellaneous +settings/actions that must be exposed from the SM to agents. They are device +specific and are usually define to access bit fields in various mix block +control modules, IOMUX_GPR, and other GPR/CSR owned by the SM. This protocol +supports the following functions: + +- Describe the protocol version. +- Discover implementation attributes. +- Set/Get a control. +- Initiate an action on a control. +- Obtain platform (i.e. SM) build information. +- Obtain ROM passover data. +- Read boot/shutdown/reset information for the LM or the system. + +Commands: +_________ + +PROTOCOL_VERSION +~~~~~~~~~~~~~~~~ + +message_id: 0x0 +protocol_id: 0x84 + ++---------------+--------------------------------------------------------------+ +|Return values | ++---------------+--------------------------------------------------------------+ +|Name |Description | ++---------------+--------------------------------------------------------------+ +|int32 status | See ARM SCMI Specification for status code definitions. | ++---------------+--------------------------------------------------------------+ +|uint32 version | For this revision of the specification, this value must be | +| | 0x10000. | ++---------------+--------------------------------------------------------------+ + +PROTOCOL_ATTRIBUTES +~~~~~~~~~~~~~~~~~~~ + +message_id: 0x1 +protocol_id: 0x84 + ++------------------+-----------------------------------------------------------+ +|Return values | ++------------------+-----------------------------------------------------------+ +|Name |Description | ++------------------+-----------------------------------------------------------+ +|int32 status | See ARM SCMI Specification for status code definitions. | ++------------------+-----------------------------------------------------------+ +|uint32 attributes |Protocol attributes: | +| |Bits[31:24] Reserved, must be zero. | +| |Bits[23:16] Number of reset reasons. | +| |Bits[15:0] Number of controls | ++------------------+-----------------------------------------------------------+ + +PROTOCOL_MESSAGE_ATTRIBUTES +~~~~~~~~~~~~~~~~~~~~~~~~~~~ + +message_id: 0x2 +protocol_id: 0x84 + ++------------------+-----------------------------------------------------------+ +|Return values | ++------------------+-----------------------------------------------------------+ +|Name |Description | ++------------------+-----------------------------------------------------------+ +|int32 status |SUCCESS: in case the message is implemented and available | +| |to use. | +| |NOT_FOUND: if the message identified by message_id is | +| |invalid or not implemented | ++------------------+-----------------------------------------------------------+ +|uint32 attributes |Flags that are associated with a specific function in the | +| |protocol. For all functions in this protocol, this | +| |parameter has a value of 0 | ++------------------+-----------------------------------------------------------+ + +MISC_CONTROL_SET +~~~~~~~~~~~~~~~~ + +message_id: 0x3 +protocol_id: 0x84 + ++------------------+-----------------------------------------------------------+ +|Parameters | ++------------------+-----------------------------------------------------------+ +|Name |Description | ++------------------+-----------------------------------------------------------+ +|uint32 index |Index of the control | ++------------------+-----------------------------------------------------------+ +|uint32 num |Size of the value data in words | ++------------------+-----------------------------------------------------------+ +|uint32 val[8] |value data array | ++------------------+-----------------------------------------------------------+ +|Return values | ++------------------+-----------------------------------------------------------+ +|Name |Description | ++------------------+-----------------------------------------------------------+ +|int32 status |SUCCESS: if the control was set successfully. | +| |NOT_FOUND: if the index is not valid. | +| |DENIED: if the agent does not have permission to set the | +| |control | ++------------------+-----------------------------------------------------------+ + +MISC_CONTROL_GET +~~~~~~~~~~~~~~~~ + +message_id: 0x4 +protocol_id: 0x84 + ++------------------+-----------------------------------------------------------+ +|Parameters | ++------------------+-----------------------------------------------------------+ +|Name |Description | ++------------------+-----------------------------------------------------------+ +|uint32 index |Index of the control | ++------------------+-----------------------------------------------------------+ +|Return values | ++------------------+-----------------------------------------------------------+ +|Name |Description | ++------------------+-----------------------------------------------------------+ +|int32 status |SUCCESS: if the control was get successfully. | +| |NOT_FOUND: if the index is not valid. | +| |DENIED: if the agent does not have permission to get the | +| |control | ++------------------+-----------------------------------------------------------+ +|uint32 num |Size of the return data in words, max 8 | ++------------------+-----------------------------------------------------------+ +|uint32 | | +|val[0, num - 1] |value data array | ++------------------+-----------------------------------------------------------+ + +MISC_CONTROL_ACTION +~~~~~~~~~~~~~~~~~~~ + +message_id: 0x5 +protocol_id: 0x84 + ++------------------+-----------------------------------------------------------+ +|Parameters | ++------------------+-----------------------------------------------------------+ +|Name |Description | ++------------------+-----------------------------------------------------------+ +|uint32 index |Index of the control | ++------------------+-----------------------------------------------------------+ +|uint32 action |Action for the control | ++------------------+-----------------------------------------------------------+ +|uint32 numarg |Size of the argument data, max 8 | ++------------------+-----------------------------------------------------------+ +|uint32 | | +|arg[0, numarg -1] |Argument data array | ++------------------+-----------------------------------------------------------+ +|Return values | ++------------------+-----------------------------------------------------------+ +|Name |Description | ++------------------+-----------------------------------------------------------+ +|int32 status |SUCCESS: if the action was set successfully. | +| |NOT_FOUND: if the index is not valid. | +| |DENIED: if the agent does not have permission to get the | +| |control | ++------------------+-----------------------------------------------------------+ +|uint32 num |Size of the return data in words, max 8 | ++------------------+-----------------------------------------------------------+ +|uint32 | | +|val[0, num - 1] |value data array | ++------------------+-----------------------------------------------------------+ + +MISC_DISCOVER_BUILD_INFO +~~~~~~~~~~~~~~~~~~~~~~~~ + +This function is used to obtain the build commit, data, time, number. + +message_id: 0x6 +protocol_id: 0x84 + ++------------------+-----------------------------------------------------------+ +|Return values | ++------------------+-----------------------------------------------------------+ +|Name |Description | ++------------------+-----------------------------------------------------------+ +|int32 status |SUCCESS: if the build info was got successfully. | +| |NOT_SUPPORTED: if the data is not available. | ++------------------+-----------------------------------------------------------+ +|uint32 buildnum |Build number | ++------------------+-----------------------------------------------------------+ +|uint32 buildcommit|Most significant 32 bits of the git commit hash | ++------------------+-----------------------------------------------------------+ +|uint8 date[16] |Date of build. Null terminated ASCII string of up to 16 | +| |bytes in length | ++------------------+-----------------------------------------------------------+ +|uint8 time[16] |Time of build. Null terminated ASCII string of up to 16 | +| |bytes in length | ++------------------+-----------------------------------------------------------+ + +MISC_ROM_PASSOVER_GET +~~~~~~~~~~~~~~~~~~~~~ + +ROM passover data is information exported by ROM and could be used by others. +It includes boot device, instance, type, mode and etc. This function is used +to obtain the ROM passover data. The returned block of words is structured as +defined in the ROM passover section in the SoC RM. + +message_id: 0x7 +protocol_id: 0x84 + ++------------------+-----------------------------------------------------------+ +|Return values | ++------------------+-----------------------------------------------------------+ +|Name |Description | ++------------------+-----------------------------------------------------------+ +|int32 status |SUCCESS: if the data was got successfully. | +| |NOT_SUPPORTED: if the data is not available. | ++------------------+-----------------------------------------------------------+ +|uint32 num |Size of the passover data in words, max 13 | ++------------------+-----------------------------------------------------------+ +|uint32 | | +|data[0, num - 1] |Passover data array | ++------------------+-----------------------------------------------------------+ + +MISC_CONTROL_NOTIFY +~~~~~~~~~~~~~~~~~~~ + +message_id: 0x8 +protocol_id: 0x84 + ++------------------+-----------------------------------------------------------+ +|Parameters | ++------------------+-----------------------------------------------------------+ +|Name |Description | ++------------------+-----------------------------------------------------------+ +|uint32 index |Index of control | ++------------------+-----------------------------------------------------------+ +|uint32 flags |Notification flags, varies by control | ++------------------+-----------------------------------------------------------+ +|Return values | ++------------------+-----------------------------------------------------------+ +|Name |Description | ++------------------+-----------------------------------------------------------+ +|int32 status |SUCCESS: notification configuration was successfully | +| |updated. | +| |NOT_FOUND: control id not exists. | +| |INVALID_PARAMETERS: if the input attributes flag specifies | +| |unsupported or invalid configurations.. | +| |DENIED: if the calling agent is not permitted to request | +| |the notification. | ++------------------+-----------------------------------------------------------+ + +MISC_RESET_REASON_ATTRIBUTES +~~~~~~~~~~~~~~~~~~~~~~~~~~~~ + +message_id: 0x9 +protocol_id: 0x84 + ++------------------+-----------------------------------------------------------+ +|Parameters | ++------------------+-----------------------------------------------------------+ +|Name |Description | ++------------------+-----------------------------------------------------------+ +|uint32 reasonid |Identifier for the reason | ++------------------+-----------------------------------------------------------+ +|Return values | ++------------------+-----------------------------------------------------------+ +|Name |Description | ++------------------+-----------------------------------------------------------+ +|int32 status |SUCCESS: if valid reason attributes are returned | +| |NOT_FOUND: if reasonId pertains to a non-existent reason. | ++------------------+-----------------------------------------------------------+ +|uint32 attributes |Reason attributes. This parameter has the following | +| |format: Bits[31:0] Reserved, must be zero | +| |Bits[15:0] Number of persistent storage (GPR) words. | ++------------------+-----------------------------------------------------------+ +|uint8 name[16] |Null-terminated ASCII string of up to 16 bytes in length | +| |describing the reason | ++------------------+-----------------------------------------------------------+ + +MISC_RESET_REASON_GET +~~~~~~~~~~~~~~~~~~~~~ + +message_id: 0xA +protocol_id: 0x84 + ++--------------------+---------------------------------------------------------+ +|Parameters | ++--------------------+---------------------------------------------------------+ +|Name |Description | ++--------------------+---------------------------------------------------------+ +|uint32 flags |Reason flags. This parameter has the following format: | +| |Bits[31:1] Reserved, must be zero. | +| |Bit[0] System: | +| |Set to 1 to return the system reason. | +| |Set to 0 to return the LM reason | ++--------------------+---------------------------------------------------------+ +|Return values | ++--------------------+---------------------------------------------------------+ +|Name |Description | ++--------------------+---------------------------------------------------------+ +|int32 status |SUCCESS: reset reason return | ++--------------------+---------------------------------------------------------+ +|uint32 bootflags |Boot reason flags. This parameter has the format: | +| |Bits[31] Valid. | +| |Set to 1 if the entire reason is valid. | +| |Set to 0 if the entire reason is not valid. | +| |Bits[30:29] Reserved, must be zero. | +| |Bit[28] Valid origin: | +| |Set to 1 if the origin field is valid. | +| |Set to 0 if the origin field is not valid. | +| |Bits[27:24] Origin. | +| |Bit[23] Valid err ID: | +| |Set to 1 if the error ID field is valid. | +| |Set to 0 if the error ID field is not valid. | +| |Bits[22:8] Error ID. | +| |Bit[7:0] Reason | ++--------------------+---------------------------------------------------------+ +|uint32 shutdownflags|Shutdown reason flags. This parameter has the format: | +| |Bits[31] Valid. | +| |Set to 1 if the entire reason is valid. | +| |Set to 0 if the entire reason is not valid. | +| |Bits[30:29] Number of valid extended info words. | +| |Bit[28] Valid origin: | +| |Set to 1 if the origin field is valid. | +| |Set to 0 if the origin field is not valid. | +| |Bits[27:24] Origin. | +| |Bit[23] Valid err ID: | +| |Set to 1 if the error ID field is valid. | +| |Set to 0 if the error ID field is not valid. | +| |Bits[22:8] Error ID. | +| |Bit[7:0] Reason | ++--------------------+---------------------------------------------------------+ +|uint32 extinfo[8] |Array of extended info words | ++--------------------+---------------------------------------------------------+ + +MISC_SI_INFO_GET +~~~~~~~~~~~~~~~~ + +message_id: 0xB +protocol_id: 0x84 + ++--------------------+---------------------------------------------------------+ +|Return values | ++--------------------+---------------------------------------------------------+ +|Name |Description | ++--------------------+---------------------------------------------------------+ +|int32 status |SUCCESS: silicon info return | ++--------------------+---------------------------------------------------------+ +|uint32 deviceid |Silicon specific device ID | ++--------------------+---------------------------------------------------------+ +|uint32 sirev |Silicon specific revision | ++--------------------+---------------------------------------------------------+ +|uint32 partnum |Silicon specific part number | ++--------------------+---------------------------------------------------------+ +|uint8 siname[16] |Silicon name/revision. Null terminated ASCII string of up| +| |to 16 bytes in length | ++--------------------+---------------------------------------------------------+ + +MISC_CFG_INFO_GET +~~~~~~~~~~~~~~~~~ + +message_id: 0xC +protocol_id: 0x84 + ++--------------------+---------------------------------------------------------+ +|Return values | ++--------------------+---------------------------------------------------------+ +|Name |Description | ++--------------------+---------------------------------------------------------+ +|int32 status |SUCCESS: config name return | +| |NOT_SUPPORTED: name not available | ++--------------------+---------------------------------------------------------+ +|uint32 msel |Mode selector value | ++--------------------+---------------------------------------------------------+ +|uint8 cfgname[16] |config file basename. Null terminated ASCII string of up | +| |to 16 bytes in length | ++--------------------+---------------------------------------------------------+ + +MISC_SYSLOG_GET +~~~~~~~~~~~~~~~ + +message_id: 0xD +protocol_id: 0x84 + ++--------------------+---------------------------------------------------------+ +|Parameters | ++--------------------+---------------------------------------------------------+ +|Name |Description | ++--------------------+---------------------------------------------------------+ +|uint32 flags |Device specific flags that might impact the data returned| +| |or clearing of the data | ++--------------------+---------------------------------------------------------+ +|uint32 logindex |Index to the first log word. Will be the first element in| +| |the return array | ++--------------------+---------------------------------------------------------+ +|Return values | ++--------------------+---------------------------------------------------------+ +|Name |Description | ++--------------------+---------------------------------------------------------+ +|int32 status |SUCCESS: system log return | ++--------------------+---------------------------------------------------------+ +|uint32 numLogflags |Descriptor for the log data returned by this call. | +| |Bits[31:20] Number of remaining log words. | +| |Bits[15:12] Reserved, must be zero. | +| |Bits[11:0] Number of log words that are returned by this | +| |call | ++--------------------+---------------------------------------------------------+ +|uint32 syslog[N] |Log data array, N is defined in bits[11:0] of numLogflags| ++--------------------+---------------------------------------------------------+ + +NEGOTIATE_PROTOCOL_VERSION +~~~~~~~~~~~~~~~~~~~~~~~~~~ + +message_id: 0x10 +protocol_id: 0x84 + ++--------------------+---------------------------------------------------------+ +|Parameters | ++--------------------+---------------------------------------------------------+ +|Name |Description | ++--------------------+---------------------------------------------------------+ +|uint32 version |The negotiated protocol version the agent intends to use | ++--------------------+---------------------------------------------------------+ +|Return values | ++--------------------+---------------------------------------------------------+ +|Name |Description | ++--------------------+---------------------------------------------------------+ +|int32 status |SUCCESS: if the negotiated protocol version is supported | +| |by the platform. All commands, responses, and | +| |notifications post successful return of this command must| +| |comply with the negotiated version. | +| |NOT_SUPPORTED: if the protocol version is not supported. | ++--------------------+---------------------------------------------------------+ + +Notifications +_____________ + +MISC_CONTROL_EVENT +~~~~~~~~~~~~~~~~~~ + +message_id: 0x0 +protocol_id: 0x81 + ++------------------+-----------------------------------------------------------+ +|Parameters | ++------------------+-----------------------------------------------------------+ +|Name |Description | ++------------------+-----------------------------------------------------------+ +|uint32 ctrlid |Identifier for the control that caused the event. | ++------------------+-----------------------------------------------------------+ +|uint32 flags |Event flags, varies by control. | ++------------------+-----------------------------------------------------------+ diff --git a/drivers/firmware/arm_scmi/voltage.c b/drivers/firmware/arm_scmi/voltage.c index 2175ffd6cef5..fda6a1573609 100644 --- a/drivers/firmware/arm_scmi/voltage.c +++ b/drivers/firmware/arm_scmi/voltage.c @@ -11,7 +11,7 @@ #include "protocols.h" /* Updated only after ALL the mandatory features for that version are merged */ -#define SCMI_PROTOCOL_SUPPORTED_VERSION 0x20000 +#define SCMI_PROTOCOL_SUPPORTED_VERSION 0x20001 #define VOLTAGE_DOMS_NUM_MASK GENMASK(15, 0) #define REMAINING_LEVELS_MASK GENMASK(31, 16) @@ -229,8 +229,10 @@ static int scmi_voltage_descriptors_get(const struct scmi_protocol_handle *ph, /* Retrieve domain attributes at first ... */ put_unaligned_le32(dom, td->tx.buf); /* Skip domain on comms error */ - if (ph->xops->do_xfer(ph, td)) + if (ph->xops->do_xfer(ph, td)) { + ph->xops->reset_rx_to_maxsz(ph, td); continue; + } v = vinfo->domains + dom; v->id = dom; diff --git a/drivers/firmware/imx/Kconfig b/drivers/firmware/imx/Kconfig index 183613f82a11..477d3f32d99a 100644 --- a/drivers/firmware/imx/Kconfig +++ b/drivers/firmware/imx/Kconfig @@ -22,3 +22,14 @@ config IMX_SCU This driver manages the IPC interface between host CPU and the SCU firmware running on M4. + +config IMX_SCMI_MISC_DRV + tristate "IMX SCMI MISC Protocol driver" + depends on IMX_SCMI_MISC_EXT || COMPILE_TEST + default y if ARCH_MXC + help + The System Controller Management Interface firmware (SCMI FW) is + a low-level system function which runs on a dedicated Cortex-M + core that could provide misc functions such as board control. + + This driver can also be built as a module. diff --git a/drivers/firmware/imx/Makefile b/drivers/firmware/imx/Makefile index 8f9f04a513a8..8d046c341be8 100644 --- a/drivers/firmware/imx/Makefile +++ b/drivers/firmware/imx/Makefile @@ -1,3 +1,4 @@ # SPDX-License-Identifier: GPL-2.0 obj-$(CONFIG_IMX_DSP) += imx-dsp.o obj-$(CONFIG_IMX_SCU) += imx-scu.o misc.o imx-scu-irq.o rm.o imx-scu-soc.o +obj-${CONFIG_IMX_SCMI_MISC_DRV} += sm-misc.o diff --git a/drivers/firmware/imx/sm-misc.c b/drivers/firmware/imx/sm-misc.c new file mode 100644 index 000000000000..fc3ee12c2be8 --- /dev/null +++ b/drivers/firmware/imx/sm-misc.c @@ -0,0 +1,119 @@ +// SPDX-License-Identifier: GPL-2.0+ +/* + * Copyright 2024 NXP + */ + +#include <linux/firmware/imx/sm.h> +#include <linux/module.h> +#include <linux/of.h> +#include <linux/platform_device.h> +#include <linux/scmi_protocol.h> +#include <linux/scmi_imx_protocol.h> + +static const struct scmi_imx_misc_proto_ops *imx_misc_ctrl_ops; +static struct scmi_protocol_handle *ph; +struct notifier_block scmi_imx_misc_ctrl_nb; + +int scmi_imx_misc_ctrl_set(u32 id, u32 val) +{ + if (!ph) + return -EPROBE_DEFER; + + return imx_misc_ctrl_ops->misc_ctrl_set(ph, id, 1, &val); +}; +EXPORT_SYMBOL(scmi_imx_misc_ctrl_set); + +int scmi_imx_misc_ctrl_get(u32 id, u32 *num, u32 *val) +{ + if (!ph) + return -EPROBE_DEFER; + + return imx_misc_ctrl_ops->misc_ctrl_get(ph, id, num, val); +} +EXPORT_SYMBOL(scmi_imx_misc_ctrl_get); + +static int scmi_imx_misc_ctrl_notifier(struct notifier_block *nb, + unsigned long event, void *data) +{ + /* + * notifier_chain_register requires a valid notifier_block and + * valid notifier_call. SCMI_EVENT_IMX_MISC_CONTROL is needed + * to let SCMI firmware enable control events, but the hook here + * is just a dummy function to avoid kernel panic as of now. + */ + return 0; +} + +static int scmi_imx_misc_ctrl_probe(struct scmi_device *sdev) +{ + const struct scmi_handle *handle = sdev->handle; + struct device_node *np = sdev->dev.of_node; + u32 src_id, flags; + int ret, i, num; + + if (!handle) + return -ENODEV; + + if (imx_misc_ctrl_ops) { + dev_err(&sdev->dev, "misc ctrl already initialized\n"); + return -EEXIST; + } + + imx_misc_ctrl_ops = handle->devm_protocol_get(sdev, SCMI_PROTOCOL_IMX_MISC, &ph); + if (IS_ERR(imx_misc_ctrl_ops)) + return PTR_ERR(imx_misc_ctrl_ops); + + num = of_property_count_u32_elems(np, "nxp,ctrl-ids"); + if (num % 2) { + dev_err(&sdev->dev, "Invalid wakeup-sources\n"); + return -EINVAL; + } + + scmi_imx_misc_ctrl_nb.notifier_call = &scmi_imx_misc_ctrl_notifier; + for (i = 0; i < num; i += 2) { + ret = of_property_read_u32_index(np, "nxp,ctrl-ids", i, &src_id); + if (ret) { + dev_err(&sdev->dev, "Failed to read ctrl-id: %i\n", i); + continue; + } + + ret = of_property_read_u32_index(np, "nxp,ctrl-ids", i + 1, &flags); + if (ret) { + dev_err(&sdev->dev, "Failed to read ctrl-id value: %d\n", i + 1); + continue; + } + + ret = handle->notify_ops->devm_event_notifier_register(sdev, SCMI_PROTOCOL_IMX_MISC, + SCMI_EVENT_IMX_MISC_CONTROL, + &src_id, + &scmi_imx_misc_ctrl_nb); + if (ret) { + dev_err(&sdev->dev, "Failed to register scmi misc event: %d\n", src_id); + } else { + ret = imx_misc_ctrl_ops->misc_ctrl_req_notify(ph, src_id, + SCMI_EVENT_IMX_MISC_CONTROL, + flags); + if (ret) + dev_err(&sdev->dev, "Failed to req notify: %d\n", src_id); + } + } + + return 0; +} + +static const struct scmi_device_id scmi_id_table[] = { + { SCMI_PROTOCOL_IMX_MISC, "imx-misc-ctrl" }, + { }, +}; +MODULE_DEVICE_TABLE(scmi, scmi_id_table); + +static struct scmi_driver scmi_imx_misc_ctrl_driver = { + .name = "scmi-imx-misc-ctrl", + .probe = scmi_imx_misc_ctrl_probe, + .id_table = scmi_id_table, +}; +module_scmi_driver(scmi_imx_misc_ctrl_driver); + +MODULE_AUTHOR("Peng Fan <peng.fan@nxp.com>"); +MODULE_DESCRIPTION("IMX SM MISC driver"); +MODULE_LICENSE("GPL"); diff --git a/drivers/firmware/qcom/Kconfig b/drivers/firmware/qcom/Kconfig index 73a1a41bf92d..b477d54b495a 100644 --- a/drivers/firmware/qcom/Kconfig +++ b/drivers/firmware/qcom/Kconfig @@ -41,17 +41,6 @@ config QCOM_TZMEM_MODE_SHMBRIDGE endchoice -config QCOM_SCM_DOWNLOAD_MODE_DEFAULT - bool "Qualcomm download mode enabled by default" - depends on QCOM_SCM - help - A device with "download mode" enabled will upon an unexpected - warm-restart enter a special debug mode that allows the user to - "download" memory content over USB for offline postmortem analysis. - The feature can be enabled/disabled on the kernel command line. - - Say Y here to enable "download mode" by default. - config QCOM_QSEECOM bool "Qualcomm QSEECOM interface driver" depends on QCOM_SCM=y diff --git a/drivers/firmware/qcom/qcom_scm.c b/drivers/firmware/qcom/qcom_scm.c index 00c379a3cceb..10986cb11ec0 100644 --- a/drivers/firmware/qcom/qcom_scm.c +++ b/drivers/firmware/qcom/qcom_scm.c @@ -18,6 +18,7 @@ #include <linux/init.h> #include <linux/interconnect.h> #include <linux/interrupt.h> +#include <linux/kstrtox.h> #include <linux/module.h> #include <linux/of.h> #include <linux/of_address.h> @@ -32,8 +33,7 @@ #include "qcom_scm.h" #include "qcom_tzmem.h" -static bool download_mode = IS_ENABLED(CONFIG_QCOM_SCM_DOWNLOAD_MODE_DEFAULT); -module_param(download_mode, bool, 0); +static u32 download_mode; struct qcom_scm { struct device *dev; @@ -126,6 +126,8 @@ static const u8 qcom_scm_cpu_warm_bits[QCOM_SCM_BOOT_MAX_CPUS] = { #define QCOM_DLOAD_MASK GENMASK(5, 4) #define QCOM_DLOAD_NODUMP 0 #define QCOM_DLOAD_FULLDUMP 1 +#define QCOM_DLOAD_MINIDUMP 2 +#define QCOM_DLOAD_BOTHDUMP 3 static const char * const qcom_scm_convention_names[] = { [SMC_CONVENTION_UNKNOWN] = "unknown", @@ -134,6 +136,13 @@ static const char * const qcom_scm_convention_names[] = { [SMC_CONVENTION_LEGACY] = "smc legacy", }; +static const char * const download_mode_name[] = { + [QCOM_DLOAD_NODUMP] = "off", + [QCOM_DLOAD_FULLDUMP] = "full", + [QCOM_DLOAD_MINIDUMP] = "mini", + [QCOM_DLOAD_BOTHDUMP] = "full,mini", +}; + static struct qcom_scm *__scm; static int qcom_scm_clk_enable(void) @@ -526,17 +535,16 @@ static int qcom_scm_io_rmw(phys_addr_t addr, unsigned int mask, unsigned int val return qcom_scm_io_writel(addr, new); } -static void qcom_scm_set_download_mode(bool enable) +static void qcom_scm_set_download_mode(u32 dload_mode) { - u32 val = enable ? QCOM_DLOAD_FULLDUMP : QCOM_DLOAD_NODUMP; int ret = 0; if (__scm->dload_mode_addr) { ret = qcom_scm_io_rmw(__scm->dload_mode_addr, QCOM_DLOAD_MASK, - FIELD_PREP(QCOM_DLOAD_MASK, val)); + FIELD_PREP(QCOM_DLOAD_MASK, dload_mode)); } else if (__qcom_scm_is_call_available(__scm->dev, QCOM_SCM_SVC_BOOT, QCOM_SCM_BOOT_SET_DLOAD_MODE)) { - ret = __qcom_scm_set_dload_mode(__scm->dev, enable); + ret = __qcom_scm_set_dload_mode(__scm->dev, !!dload_mode); } else { dev_err(__scm->dev, "No available mechanism for setting download mode\n"); @@ -1724,7 +1732,10 @@ EXPORT_SYMBOL_GPL(qcom_scm_qseecom_app_send); */ static const struct of_device_id qcom_scm_qseecom_allowlist[] __maybe_unused = { { .compatible = "lenovo,flex-5g" }, + { .compatible = "lenovo,thinkpad-t14s" }, { .compatible = "lenovo,thinkpad-x13s", }, + { .compatible = "microsoft,romulus13", }, + { .compatible = "microsoft,romulus15", }, { .compatible = "qcom,sc8180x-primus" }, { .compatible = "qcom,x1e80100-crd" }, { .compatible = "qcom,x1e80100-qcp" }, @@ -1886,6 +1897,45 @@ out: return IRQ_HANDLED; } +static int get_download_mode(char *buffer, const struct kernel_param *kp) +{ + if (download_mode >= ARRAY_SIZE(download_mode_name)) + return sysfs_emit(buffer, "unknown mode\n"); + + return sysfs_emit(buffer, "%s\n", download_mode_name[download_mode]); +} + +static int set_download_mode(const char *val, const struct kernel_param *kp) +{ + bool tmp; + int ret; + + ret = sysfs_match_string(download_mode_name, val); + if (ret < 0) { + ret = kstrtobool(val, &tmp); + if (ret < 0) { + pr_err("qcom_scm: err: %d\n", ret); + return ret; + } + + ret = tmp ? 1 : 0; + } + + download_mode = ret; + if (__scm) + qcom_scm_set_download_mode(download_mode); + + return 0; +} + +static const struct kernel_param_ops download_mode_param_ops = { + .get = get_download_mode, + .set = set_download_mode, +}; + +module_param_cb(download_mode, &download_mode_param_ops, NULL, 0644); +MODULE_PARM_DESC(download_mode, "download mode: off/0/N for no dump mode, full/on/1/Y for full dump mode, mini for minidump mode and full,mini for both full and minidump mode together are acceptable values"); + static int qcom_scm_probe(struct platform_device *pdev) { struct qcom_tzmem_pool_config pool_config; @@ -1950,18 +2000,16 @@ static int qcom_scm_probe(struct platform_device *pdev) __get_convention(); /* - * If requested enable "download mode", from this point on warmboot + * If "download mode" is requested, from this point on warmboot * will cause the boot stages to enter download mode, unless * disabled below by a clean shutdown/reboot. */ - if (download_mode) - qcom_scm_set_download_mode(true); - + qcom_scm_set_download_mode(download_mode); /* * Disable SDI if indicated by DT that it is enabled by default. */ - if (of_property_read_bool(pdev->dev.of_node, "qcom,sdi-enabled")) + if (of_property_read_bool(pdev->dev.of_node, "qcom,sdi-enabled") || !download_mode) qcom_scm_disable_sdi(); ret = of_reserved_mem_device_init(__scm->dev); @@ -2003,7 +2051,7 @@ static int qcom_scm_probe(struct platform_device *pdev) static void qcom_scm_shutdown(struct platform_device *pdev) { /* Clean shutdown, disable download mode to allow normal restart */ - qcom_scm_set_download_mode(false); + qcom_scm_set_download_mode(QCOM_DLOAD_NODUMP); } static const struct of_device_id qcom_scm_dt_match[] = { diff --git a/drivers/firmware/raspberrypi.c b/drivers/firmware/raspberrypi.c index ac34876a97f8..18cc34987108 100644 --- a/drivers/firmware/raspberrypi.c +++ b/drivers/firmware/raspberrypi.c @@ -62,7 +62,6 @@ rpi_firmware_transaction(struct rpi_firmware *fw, u32 chan, u32 data) ret = 0; } else { ret = -ETIMEDOUT; - WARN_ONCE(1, "Firmware transaction timeout"); } } else { dev_err(fw->cl.dev, "mbox_send_message returned %d\n", ret); @@ -125,6 +124,8 @@ int rpi_firmware_property_list(struct rpi_firmware *fw, dev_err(fw->cl.dev, "Request 0x%08x returned status 0x%08x\n", buf[2], buf[1]); ret = -EINVAL; + } else if (ret == -ETIMEDOUT) { + WARN_ONCE(1, "Firmware transaction 0x%08x timeout", buf[2]); } dma_free_coherent(fw->chan->mbox->dev, PAGE_ALIGN(size), buf, bus_addr); diff --git a/drivers/firmware/tegra/bpmp.c b/drivers/firmware/tegra/bpmp.c index c1590d3aa9cb..2bee6e918f81 100644 --- a/drivers/firmware/tegra/bpmp.c +++ b/drivers/firmware/tegra/bpmp.c @@ -3,6 +3,7 @@ * Copyright (c) 2016, NVIDIA CORPORATION. All rights reserved. */ +#include <linux/cleanup.h> #include <linux/clk/tegra.h> #include <linux/genalloc.h> #include <linux/mailbox_client.h> @@ -24,12 +25,6 @@ #define MSG_RING BIT(1) #define TAG_SZ 32 -static inline struct tegra_bpmp * -mbox_client_to_bpmp(struct mbox_client *client) -{ - return container_of(client, struct tegra_bpmp, mbox.client); -} - static inline const struct tegra_bpmp_ops * channel_to_ops(struct tegra_bpmp_channel *channel) { @@ -40,29 +35,24 @@ channel_to_ops(struct tegra_bpmp_channel *channel) struct tegra_bpmp *tegra_bpmp_get(struct device *dev) { + struct device_node *np __free(device_node); struct platform_device *pdev; struct tegra_bpmp *bpmp; - struct device_node *np; np = of_parse_phandle(dev->of_node, "nvidia,bpmp", 0); if (!np) return ERR_PTR(-ENOENT); pdev = of_find_device_by_node(np); - if (!pdev) { - bpmp = ERR_PTR(-ENODEV); - goto put; - } + if (!pdev) + return ERR_PTR(-ENODEV); bpmp = platform_get_drvdata(pdev); if (!bpmp) { - bpmp = ERR_PTR(-EPROBE_DEFER); put_device(&pdev->dev); - goto put; + return ERR_PTR(-EPROBE_DEFER); } -put: - of_node_put(np); return bpmp; } EXPORT_SYMBOL_GPL(tegra_bpmp_get); diff --git a/drivers/firmware/turris-mox-rwtm.c b/drivers/firmware/turris-mox-rwtm.c index 3e7f186d239a..525ebdc7ded5 100644 --- a/drivers/firmware/turris-mox-rwtm.c +++ b/drivers/firmware/turris-mox-rwtm.c @@ -5,26 +5,43 @@ * Copyright (C) 2019, 2024 Marek Behún <kabel@kernel.org> */ +#include <crypto/sha2.h> +#include <linux/align.h> #include <linux/armada-37xx-rwtm-mailbox.h> #include <linux/completion.h> +#include <linux/container_of.h> #include <linux/debugfs.h> +#include <linux/device.h> #include <linux/dma-mapping.h> +#include <linux/err.h> +#include <linux/fs.h> #include <linux/hw_random.h> +#include <linux/if_ether.h> +#include <linux/kobject.h> #include <linux/mailbox_client.h> +#include <linux/minmax.h> #include <linux/module.h> #include <linux/mutex.h> -#include <linux/of.h> #include <linux/platform_device.h> -#include <linux/slab.h> +#include <linux/sizes.h> +#include <linux/sysfs.h> +#include <linux/types.h> #define DRIVER_NAME "turris-mox-rwtm" +#define RWTM_DMA_BUFFER_SIZE SZ_4K + /* * The macros and constants below come from Turris Mox's rWTM firmware code. * This firmware is open source and it's sources can be found at * https://gitlab.labs.nic.cz/turris/mox-boot-builder/tree/master/wtmi. */ +#define MOX_ECC_NUMBER_WORDS 17 +#define MOX_ECC_NUMBER_LEN (MOX_ECC_NUMBER_WORDS * sizeof(u32)) + +#define MOX_ECC_SIGNATURE_WORDS (2 * MOX_ECC_NUMBER_WORDS) + #define MBOX_STS_SUCCESS (0 << 30) #define MBOX_STS_FAIL (1 << 30) #define MBOX_STS_BADCMD (2 << 30) @@ -44,13 +61,9 @@ enum mbox_cmd { MBOX_CMD_OTP_WRITE = 8, }; -struct mox_kobject; - struct mox_rwtm { - struct device *dev; struct mbox_client mbox_client; struct mbox_chan *mbox; - struct mox_kobject *kobj; struct hwrng hwrng; struct armada_37xx_rwtm_rx_msg reply; @@ -62,13 +75,13 @@ struct mox_rwtm { struct completion cmd_done; /* board information */ - int has_board_info; + bool has_board_info; u64 serial_number; int board_version, ram_size; - u8 mac_address1[6], mac_address2[6]; + u8 mac_address1[ETH_ALEN], mac_address2[ETH_ALEN]; /* public key burned in eFuse */ - int has_pubkey; + bool has_pubkey; u8 pubkey[135]; #ifdef CONFIG_DEBUG_FS @@ -78,65 +91,27 @@ struct mox_rwtm { * It should be rewritten via crypto API once akcipher API is available * from userspace. */ - struct dentry *debugfs_root; - u32 last_sig[34]; - int last_sig_done; + u32 last_sig[MOX_ECC_SIGNATURE_WORDS]; + bool last_sig_done; #endif }; -struct mox_kobject { - struct kobject kobj; - struct mox_rwtm *rwtm; -}; - -static inline struct kobject *rwtm_to_kobj(struct mox_rwtm *rwtm) -{ - return &rwtm->kobj->kobj; -} - -static inline struct mox_rwtm *to_rwtm(struct kobject *kobj) -{ - return container_of(kobj, struct mox_kobject, kobj)->rwtm; -} - -static void mox_kobj_release(struct kobject *kobj) -{ - kfree(to_rwtm(kobj)->kobj); -} - -static const struct kobj_type mox_kobj_ktype = { - .release = mox_kobj_release, - .sysfs_ops = &kobj_sysfs_ops, -}; - -static int mox_kobj_create(struct mox_rwtm *rwtm) +static inline struct device *rwtm_dev(struct mox_rwtm *rwtm) { - rwtm->kobj = kzalloc(sizeof(*rwtm->kobj), GFP_KERNEL); - if (!rwtm->kobj) - return -ENOMEM; - - kobject_init(rwtm_to_kobj(rwtm), &mox_kobj_ktype); - if (kobject_add(rwtm_to_kobj(rwtm), firmware_kobj, "turris-mox-rwtm")) { - kobject_put(rwtm_to_kobj(rwtm)); - return -ENXIO; - } - - rwtm->kobj->rwtm = rwtm; - - return 0; + return rwtm->mbox_client.dev; } #define MOX_ATTR_RO(name, format, cat) \ static ssize_t \ -name##_show(struct kobject *kobj, struct kobj_attribute *a, \ +name##_show(struct device *dev, struct device_attribute *a, \ char *buf) \ { \ - struct mox_rwtm *rwtm = to_rwtm(kobj); \ + struct mox_rwtm *rwtm = dev_get_drvdata(dev); \ if (!rwtm->has_##cat) \ return -ENODATA; \ - return sprintf(buf, format, rwtm->name); \ + return sysfs_emit(buf, format, rwtm->name); \ } \ -static struct kobj_attribute mox_attr_##name = __ATTR_RO(name) +static DEVICE_ATTR_RO(name) MOX_ATTR_RO(serial_number, "%016llX\n", board_info); MOX_ATTR_RO(board_version, "%i\n", board_info); @@ -145,6 +120,17 @@ MOX_ATTR_RO(mac_address1, "%pM\n", board_info); MOX_ATTR_RO(mac_address2, "%pM\n", board_info); MOX_ATTR_RO(pubkey, "%s\n", pubkey); +static struct attribute *turris_mox_rwtm_attrs[] = { + &dev_attr_serial_number.attr, + &dev_attr_board_version.attr, + &dev_attr_ram_size.attr, + &dev_attr_mac_address1.attr, + &dev_attr_mac_address2.attr, + &dev_attr_pubkey.attr, + NULL +}; +ATTRIBUTE_GROUPS(turris_mox_rwtm); + static int mox_get_status(enum mbox_cmd cmd, u32 retval) { if (MBOX_STS_CMD(retval) != cmd) @@ -152,23 +138,13 @@ static int mox_get_status(enum mbox_cmd cmd, u32 retval) else if (MBOX_STS_ERROR(retval) == MBOX_STS_FAIL) return -(int)MBOX_STS_VALUE(retval); else if (MBOX_STS_ERROR(retval) == MBOX_STS_BADCMD) - return -ENOSYS; + return -EOPNOTSUPP; else if (MBOX_STS_ERROR(retval) != MBOX_STS_SUCCESS) return -EIO; else return MBOX_STS_VALUE(retval); } -static const struct attribute *mox_rwtm_attrs[] = { - &mox_attr_serial_number.attr, - &mox_attr_board_version.attr, - &mox_attr_ram_size.attr, - &mox_attr_mac_address1.attr, - &mox_attr_mac_address2.attr, - &mox_attr_pubkey.attr, - NULL -}; - static void mox_rwtm_rx_callback(struct mbox_client *cl, void *data) { struct mox_rwtm *rwtm = dev_get_drvdata(cl->dev); @@ -181,6 +157,34 @@ static void mox_rwtm_rx_callback(struct mbox_client *cl, void *data) complete(&rwtm->cmd_done); } +static int mox_rwtm_exec(struct mox_rwtm *rwtm, enum mbox_cmd cmd, + struct armada_37xx_rwtm_tx_msg *msg, + bool interruptible) +{ + struct armada_37xx_rwtm_tx_msg _msg = {}; + int ret; + + if (!msg) + msg = &_msg; + + msg->command = cmd; + + ret = mbox_send_message(rwtm->mbox, msg); + if (ret < 0) + return ret; + + if (interruptible) { + ret = wait_for_completion_interruptible(&rwtm->cmd_done); + if (ret < 0) + return ret; + } else { + if (!wait_for_completion_timeout(&rwtm->cmd_done, HZ / 2)) + return -ETIMEDOUT; + } + + return mox_get_status(cmd, rwtm->reply.retval); +} + static void reply_to_mac_addr(u8 *mac, u32 t1, u32 t2) { mac[0] = t1 >> 8; @@ -193,24 +197,16 @@ static void reply_to_mac_addr(u8 *mac, u32 t1, u32 t2) static int mox_get_board_info(struct mox_rwtm *rwtm) { - struct armada_37xx_rwtm_tx_msg msg; + struct device *dev = rwtm_dev(rwtm); struct armada_37xx_rwtm_rx_msg *reply = &rwtm->reply; int ret; - msg.command = MBOX_CMD_BOARD_INFO; - ret = mbox_send_message(rwtm->mbox, &msg); - if (ret < 0) - return ret; - - if (!wait_for_completion_timeout(&rwtm->cmd_done, HZ / 2)) - return -ETIMEDOUT; - - ret = mox_get_status(MBOX_CMD_BOARD_INFO, reply->retval); + ret = mox_rwtm_exec(rwtm, MBOX_CMD_BOARD_INFO, NULL, false); if (ret == -ENODATA) { - dev_warn(rwtm->dev, + dev_warn(dev, "Board does not have manufacturing information burned!\n"); - } else if (ret == -ENOSYS) { - dev_notice(rwtm->dev, + } else if (ret == -EOPNOTSUPP) { + dev_notice(dev, "Firmware does not support the BOARD_INFO command\n"); } else if (ret < 0) { return ret; @@ -224,7 +220,7 @@ static int mox_get_board_info(struct mox_rwtm *rwtm) reply->status[5]); reply_to_mac_addr(rwtm->mac_address2, reply->status[6], reply->status[7]); - rwtm->has_board_info = 1; + rwtm->has_board_info = true; pr_info("Turris Mox serial number %016llX\n", rwtm->serial_number); @@ -232,26 +228,18 @@ static int mox_get_board_info(struct mox_rwtm *rwtm) pr_info(" burned RAM size %i MiB\n", rwtm->ram_size); } - msg.command = MBOX_CMD_ECDSA_PUB_KEY; - ret = mbox_send_message(rwtm->mbox, &msg); - if (ret < 0) - return ret; - - if (!wait_for_completion_timeout(&rwtm->cmd_done, HZ / 2)) - return -ETIMEDOUT; - - ret = mox_get_status(MBOX_CMD_ECDSA_PUB_KEY, reply->retval); + ret = mox_rwtm_exec(rwtm, MBOX_CMD_ECDSA_PUB_KEY, NULL, false); if (ret == -ENODATA) { - dev_warn(rwtm->dev, "Board has no public key burned!\n"); - } else if (ret == -ENOSYS) { - dev_notice(rwtm->dev, + dev_warn(dev, "Board has no public key burned!\n"); + } else if (ret == -EOPNOTSUPP) { + dev_notice(dev, "Firmware does not support the ECDSA_PUB_KEY command\n"); } else if (ret < 0) { return ret; } else { u32 *s = reply->status; - rwtm->has_pubkey = 1; + rwtm->has_pubkey = true; sprintf(rwtm->pubkey, "%06x%08x%08x%08x%08x%08x%08x%08x%08x%08x%08x%08x%08x%08x%08x%08x%08x", ret, s[0], s[1], s[2], s[3], s[4], s[5], s[6], s[7], @@ -263,37 +251,22 @@ static int mox_get_board_info(struct mox_rwtm *rwtm) static int check_get_random_support(struct mox_rwtm *rwtm) { - struct armada_37xx_rwtm_tx_msg msg; - int ret; + struct armada_37xx_rwtm_tx_msg msg = { + .args = { 1, rwtm->buf_phys, 4 }, + }; - msg.command = MBOX_CMD_GET_RANDOM; - msg.args[0] = 1; - msg.args[1] = rwtm->buf_phys; - msg.args[2] = 4; - - ret = mbox_send_message(rwtm->mbox, &msg); - if (ret < 0) - return ret; - - if (!wait_for_completion_timeout(&rwtm->cmd_done, HZ / 2)) - return -ETIMEDOUT; - - return mox_get_status(MBOX_CMD_GET_RANDOM, rwtm->reply.retval); + return mox_rwtm_exec(rwtm, MBOX_CMD_GET_RANDOM, &msg, false); } static int mox_hwrng_read(struct hwrng *rng, void *data, size_t max, bool wait) { - struct mox_rwtm *rwtm = (struct mox_rwtm *) rng->priv; - struct armada_37xx_rwtm_tx_msg msg; + struct mox_rwtm *rwtm = container_of(rng, struct mox_rwtm, hwrng); + struct armada_37xx_rwtm_tx_msg msg = { + .args = { 1, rwtm->buf_phys, ALIGN(max, 4) }, + }; int ret; - if (max > 4096) - max = 4096; - - msg.command = MBOX_CMD_GET_RANDOM; - msg.args[0] = 1; - msg.args[1] = rwtm->buf_phys; - msg.args[2] = (max + 3) & ~3; + max = min(max, RWTM_DMA_BUFFER_SIZE); if (!wait) { if (!mutex_trylock(&rwtm->busy)) @@ -302,15 +275,7 @@ static int mox_hwrng_read(struct hwrng *rng, void *data, size_t max, bool wait) mutex_lock(&rwtm->busy); } - ret = mbox_send_message(rwtm->mbox, &msg); - if (ret < 0) - goto unlock_mutex; - - ret = wait_for_completion_interruptible(&rwtm->cmd_done); - if (ret < 0) - goto unlock_mutex; - - ret = mox_get_status(MBOX_CMD_GET_RANDOM, rwtm->reply.retval); + ret = mox_rwtm_exec(rwtm, MBOX_CMD_GET_RANDOM, &msg, true); if (ret < 0) goto unlock_mutex; @@ -336,19 +301,19 @@ static ssize_t do_sign_read(struct file *file, char __user *buf, size_t len, struct mox_rwtm *rwtm = file->private_data; ssize_t ret; - /* only allow one read, of 136 bytes, from position 0 */ + /* only allow one read, of whole signature, from position 0 */ if (*ppos != 0) return 0; - if (len < 136) + if (len < sizeof(rwtm->last_sig)) return -EINVAL; if (!rwtm->last_sig_done) return -ENODATA; - /* 2 arrays of 17 32-bit words are 136 bytes */ - ret = simple_read_from_buffer(buf, len, ppos, rwtm->last_sig, 136); - rwtm->last_sig_done = 0; + ret = simple_read_from_buffer(buf, len, ppos, rwtm->last_sig, + sizeof(rwtm->last_sig)); + rwtm->last_sig_done = false; return ret; } @@ -357,13 +322,11 @@ static ssize_t do_sign_write(struct file *file, const char __user *buf, size_t len, loff_t *ppos) { struct mox_rwtm *rwtm = file->private_data; - struct armada_37xx_rwtm_rx_msg *reply = &rwtm->reply; struct armada_37xx_rwtm_tx_msg msg; loff_t dummy = 0; ssize_t ret; - /* the input is a SHA-512 hash, so exactly 64 bytes have to be read */ - if (len != 64) + if (len != SHA512_DIGEST_SIZE) return -EINVAL; /* if last result is not zero user has not read that information yet */ @@ -384,37 +347,32 @@ static ssize_t do_sign_write(struct file *file, const char __user *buf, * 3. Address of the buffer where ECDSA signature value S shall be * stored by the rWTM firmware. */ - memset(rwtm->buf, 0, 4); - ret = simple_write_to_buffer(rwtm->buf + 4, 64, &dummy, buf, len); + memset(rwtm->buf, 0, sizeof(u32)); + ret = simple_write_to_buffer(rwtm->buf + sizeof(u32), + SHA512_DIGEST_SIZE, &dummy, buf, len); if (ret < 0) goto unlock_mutex; - be32_to_cpu_array(rwtm->buf, rwtm->buf, 17); + be32_to_cpu_array(rwtm->buf, rwtm->buf, MOX_ECC_NUMBER_WORDS); - msg.command = MBOX_CMD_SIGN; msg.args[0] = 1; msg.args[1] = rwtm->buf_phys; - msg.args[2] = rwtm->buf_phys + 68; - msg.args[3] = rwtm->buf_phys + 2 * 68; - ret = mbox_send_message(rwtm->mbox, &msg); - if (ret < 0) - goto unlock_mutex; + msg.args[2] = rwtm->buf_phys + MOX_ECC_NUMBER_LEN; + msg.args[3] = rwtm->buf_phys + 2 * MOX_ECC_NUMBER_LEN; - ret = wait_for_completion_interruptible(&rwtm->cmd_done); + ret = mox_rwtm_exec(rwtm, MBOX_CMD_SIGN, &msg, true); if (ret < 0) goto unlock_mutex; - ret = MBOX_STS_VALUE(reply->retval); - if (MBOX_STS_ERROR(reply->retval) != MBOX_STS_SUCCESS) - goto unlock_mutex; - /* * Here we read the R and S values of the ECDSA signature * computed by the rWTM firmware and convert their words from * LE to BE. */ - memcpy(rwtm->last_sig, rwtm->buf + 68, 136); - cpu_to_be32_array(rwtm->last_sig, rwtm->last_sig, 34); - rwtm->last_sig_done = 1; + memcpy(rwtm->last_sig, rwtm->buf + MOX_ECC_NUMBER_LEN, + sizeof(rwtm->last_sig)); + cpu_to_be32_array(rwtm->last_sig, rwtm->last_sig, + MOX_ECC_SIGNATURE_WORDS); + rwtm->last_sig_done = true; mutex_unlock(&rwtm->busy); return len; @@ -431,42 +389,36 @@ static const struct file_operations do_sign_fops = { .llseek = no_llseek, }; -static int rwtm_register_debugfs(struct mox_rwtm *rwtm) +static void rwtm_debugfs_release(void *root) { - struct dentry *root, *entry; - - root = debugfs_create_dir("turris-mox-rwtm", NULL); + debugfs_remove_recursive(root); +} - if (IS_ERR(root)) - return PTR_ERR(root); +static void rwtm_register_debugfs(struct mox_rwtm *rwtm) +{ + struct dentry *root; - entry = debugfs_create_file_unsafe("do_sign", 0600, root, rwtm, - &do_sign_fops); - if (IS_ERR(entry)) - goto err_remove; + root = debugfs_create_dir("turris-mox-rwtm", NULL); - rwtm->debugfs_root = root; + debugfs_create_file_unsafe("do_sign", 0600, root, rwtm, &do_sign_fops); - return 0; -err_remove: - debugfs_remove_recursive(root); - return PTR_ERR(entry); + devm_add_action_or_reset(rwtm_dev(rwtm), rwtm_debugfs_release, root); } - -static void rwtm_unregister_debugfs(struct mox_rwtm *rwtm) +#else +static inline void rwtm_register_debugfs(struct mox_rwtm *rwtm) { - debugfs_remove_recursive(rwtm->debugfs_root); } -#else -static inline int rwtm_register_debugfs(struct mox_rwtm *rwtm) +#endif + +static void rwtm_devm_mbox_release(void *mbox) { - return 0; + mbox_free_channel(mbox); } -static inline void rwtm_unregister_debugfs(struct mox_rwtm *rwtm) +static void rwtm_firmware_symlink_drop(void *parent) { + sysfs_remove_link(parent, DRIVER_NAME); } -#endif static int turris_mox_rwtm_probe(struct platform_device *pdev) { @@ -478,40 +430,30 @@ static int turris_mox_rwtm_probe(struct platform_device *pdev) if (!rwtm) return -ENOMEM; - rwtm->dev = dev; - rwtm->buf = dmam_alloc_coherent(dev, PAGE_SIZE, &rwtm->buf_phys, - GFP_KERNEL); + rwtm->buf = dmam_alloc_coherent(dev, RWTM_DMA_BUFFER_SIZE, + &rwtm->buf_phys, GFP_KERNEL); if (!rwtm->buf) return -ENOMEM; - ret = mox_kobj_create(rwtm); - if (ret < 0) { - dev_err(dev, "Cannot create turris-mox-rwtm kobject!\n"); - return ret; - } - - ret = sysfs_create_files(rwtm_to_kobj(rwtm), mox_rwtm_attrs); - if (ret < 0) { - dev_err(dev, "Cannot create sysfs files!\n"); - goto put_kobj; - } - platform_set_drvdata(pdev, rwtm); - mutex_init(&rwtm->busy); + ret = devm_mutex_init(dev, &rwtm->busy); + if (ret) + return ret; + init_completion(&rwtm->cmd_done); rwtm->mbox_client.dev = dev; rwtm->mbox_client.rx_callback = mox_rwtm_rx_callback; rwtm->mbox = mbox_request_channel(&rwtm->mbox_client, 0); - if (IS_ERR(rwtm->mbox)) { - ret = PTR_ERR(rwtm->mbox); - if (ret != -EPROBE_DEFER) - dev_err(dev, "Cannot request mailbox channel: %i\n", - ret); - goto remove_files; - } + if (IS_ERR(rwtm->mbox)) + return dev_err_probe(dev, PTR_ERR(rwtm->mbox), + "Cannot request mailbox channel!\n"); + + ret = devm_add_action_or_reset(dev, rwtm_devm_mbox_release, rwtm->mbox); + if (ret) + return ret; ret = mox_get_board_info(rwtm); if (ret < 0) @@ -521,46 +463,30 @@ static int turris_mox_rwtm_probe(struct platform_device *pdev) if (ret < 0) { dev_notice(dev, "Firmware does not support the GET_RANDOM command\n"); - goto free_channel; + return ret; } rwtm->hwrng.name = DRIVER_NAME "_hwrng"; rwtm->hwrng.read = mox_hwrng_read; - rwtm->hwrng.priv = (unsigned long) rwtm; ret = devm_hwrng_register(dev, &rwtm->hwrng); - if (ret < 0) { - dev_err(dev, "Cannot register HWRNG: %i\n", ret); - goto free_channel; - } + if (ret) + return dev_err_probe(dev, ret, "Cannot register HWRNG!\n"); - ret = rwtm_register_debugfs(rwtm); - if (ret < 0) { - dev_err(dev, "Failed creating debugfs entries: %i\n", ret); - goto free_channel; - } + rwtm_register_debugfs(rwtm); dev_info(dev, "HWRNG successfully registered\n"); - return 0; - -free_channel: - mbox_free_channel(rwtm->mbox); -remove_files: - sysfs_remove_files(rwtm_to_kobj(rwtm), mox_rwtm_attrs); -put_kobj: - kobject_put(rwtm_to_kobj(rwtm)); - return ret; -} - -static void turris_mox_rwtm_remove(struct platform_device *pdev) -{ - struct mox_rwtm *rwtm = platform_get_drvdata(pdev); + /* + * For sysfs ABI compatibility, create symlink + * /sys/firmware/turris-mox-rwtm to this device's sysfs directory. + */ + ret = sysfs_create_link(firmware_kobj, &dev->kobj, DRIVER_NAME); + if (!ret) + devm_add_action_or_reset(dev, rwtm_firmware_symlink_drop, + firmware_kobj); - rwtm_unregister_debugfs(rwtm); - sysfs_remove_files(rwtm_to_kobj(rwtm), mox_rwtm_attrs); - kobject_put(rwtm_to_kobj(rwtm)); - mbox_free_channel(rwtm->mbox); + return 0; } static const struct of_device_id turris_mox_rwtm_match[] = { @@ -573,10 +499,10 @@ MODULE_DEVICE_TABLE(of, turris_mox_rwtm_match); static struct platform_driver turris_mox_rwtm_driver = { .probe = turris_mox_rwtm_probe, - .remove_new = turris_mox_rwtm_remove, .driver = { .name = DRIVER_NAME, .of_match_table = turris_mox_rwtm_match, + .dev_groups = turris_mox_rwtm_groups, }, }; module_platform_driver(turris_mox_rwtm_driver); diff --git a/drivers/input/keyboard/Kconfig b/drivers/input/keyboard/Kconfig index 1d0c5f4c0f99..1c3fef7d34af 100644 --- a/drivers/input/keyboard/Kconfig +++ b/drivers/input/keyboard/Kconfig @@ -466,6 +466,17 @@ config KEYBOARD_IMX To compile this driver as a module, choose M here: the module will be called imx_keypad. +config KEYBOARD_IMX_BBM_SCMI + tristate "IMX BBM SCMI Key Driver" + depends on IMX_SCMI_BBM_EXT || COMPILE_TEST + default y if ARCH_MXC + help + This is the BBM key driver for NXP i.MX SoCs managed through + SCMI protocol. + + To compile this driver as a module, choose M here: the + module will be called scmi-imx-bbm-key. + config KEYBOARD_IMX_SC_KEY tristate "IMX SCU Key Driver" depends on IMX_SCU diff --git a/drivers/input/keyboard/Makefile b/drivers/input/keyboard/Makefile index aecef00c5d09..624c90adde89 100644 --- a/drivers/input/keyboard/Makefile +++ b/drivers/input/keyboard/Makefile @@ -31,6 +31,7 @@ obj-$(CONFIG_KEYBOARD_IPAQ_MICRO) += ipaq-micro-keys.o obj-$(CONFIG_KEYBOARD_IQS62X) += iqs62x-keys.o obj-$(CONFIG_KEYBOARD_IMX) += imx_keypad.o obj-$(CONFIG_KEYBOARD_IMX_SC_KEY) += imx_sc_key.o +obj-$(CONFIG_KEYBOARD_IMX_BBM_SCMI) += imx-sm-bbm-key.o obj-$(CONFIG_KEYBOARD_HP6XX) += jornada680_kbd.o obj-$(CONFIG_KEYBOARD_HP7XX) += jornada720_kbd.o obj-$(CONFIG_KEYBOARD_LKKBD) += lkkbd.o diff --git a/drivers/input/keyboard/imx-sm-bbm-key.c b/drivers/input/keyboard/imx-sm-bbm-key.c new file mode 100644 index 000000000000..96486bd23d60 --- /dev/null +++ b/drivers/input/keyboard/imx-sm-bbm-key.c @@ -0,0 +1,225 @@ +// SPDX-License-Identifier: GPL-2.0+ +/* + * Copyright 2024 NXP. + */ + +#include <linux/input.h> +#include <linux/jiffies.h> +#include <linux/module.h> +#include <linux/of.h> +#include <linux/platform_device.h> +#include <linux/rtc.h> +#include <linux/scmi_protocol.h> +#include <linux/scmi_imx_protocol.h> +#include <linux/suspend.h> + +#define DEBOUNCE_TIME 30 +#define REPEAT_INTERVAL 60 + +struct scmi_imx_bbm { + struct scmi_protocol_handle *ph; + const struct scmi_imx_bbm_proto_ops *ops; + struct notifier_block nb; + int keycode; + int keystate; /* 1:pressed */ + bool suspended; + struct delayed_work check_work; + struct input_dev *input; +}; + +static void scmi_imx_bbm_pwrkey_check_for_events(struct work_struct *work) +{ + struct scmi_imx_bbm *bbnsm = container_of(to_delayed_work(work), + struct scmi_imx_bbm, check_work); + struct scmi_protocol_handle *ph = bbnsm->ph; + struct input_dev *input = bbnsm->input; + u32 state = 0; + int ret; + + ret = bbnsm->ops->button_get(ph, &state); + if (ret) { + pr_err("%s: %d\n", __func__, ret); + return; + } + + pr_debug("%s: state: %d, keystate %d\n", __func__, state, bbnsm->keystate); + + /* only report new event if status changed */ + if (state ^ bbnsm->keystate) { + bbnsm->keystate = state; + input_event(input, EV_KEY, bbnsm->keycode, state); + input_sync(input); + pm_relax(bbnsm->input->dev.parent); + pr_debug("EV_KEY: %x\n", bbnsm->keycode); + } + + /* repeat check if pressed long */ + if (state) + schedule_delayed_work(&bbnsm->check_work, msecs_to_jiffies(REPEAT_INTERVAL)); +} + +static int scmi_imx_bbm_pwrkey_event(struct scmi_imx_bbm *bbnsm) +{ + struct input_dev *input = bbnsm->input; + + pm_wakeup_event(input->dev.parent, 0); + + /* + * Directly report key event after resume to make no key press + * event is missed. + */ + if (READ_ONCE(bbnsm->suspended)) { + bbnsm->keystate = 1; + input_event(input, EV_KEY, bbnsm->keycode, 1); + input_sync(input); + WRITE_ONCE(bbnsm->suspended, false); + } + + schedule_delayed_work(&bbnsm->check_work, msecs_to_jiffies(DEBOUNCE_TIME)); + + return 0; +} + +static void scmi_imx_bbm_pwrkey_act(void *pdata) +{ + struct scmi_imx_bbm *bbnsm = pdata; + + cancel_delayed_work_sync(&bbnsm->check_work); +} + +static int scmi_imx_bbm_key_notifier(struct notifier_block *nb, unsigned long event, void *data) +{ + struct scmi_imx_bbm *bbnsm = container_of(nb, struct scmi_imx_bbm, nb); + struct scmi_imx_bbm_notif_report *r = data; + + if (r->is_button) { + pr_debug("BBM Button Power key pressed\n"); + scmi_imx_bbm_pwrkey_event(bbnsm); + } else { + /* Should never reach here */ + pr_err("Unexpected BBM event: %s\n", __func__); + } + + return 0; +} + +static int scmi_imx_bbm_pwrkey_init(struct scmi_device *sdev) +{ + const struct scmi_handle *handle = sdev->handle; + struct device *dev = &sdev->dev; + struct scmi_imx_bbm *bbnsm = dev_get_drvdata(dev); + struct input_dev *input; + int ret; + + if (device_property_read_u32(dev, "linux,code", &bbnsm->keycode)) { + bbnsm->keycode = KEY_POWER; + dev_warn(dev, "key code is not specified, using default KEY_POWER\n"); + } + + INIT_DELAYED_WORK(&bbnsm->check_work, scmi_imx_bbm_pwrkey_check_for_events); + + input = devm_input_allocate_device(dev); + if (!input) { + dev_err(dev, "failed to allocate the input device for SCMI IMX BBM\n"); + return -ENOMEM; + } + + input->name = dev_name(dev); + input->phys = "bbnsm-pwrkey/input0"; + input->id.bustype = BUS_HOST; + + input_set_capability(input, EV_KEY, bbnsm->keycode); + + ret = devm_add_action_or_reset(dev, scmi_imx_bbm_pwrkey_act, bbnsm); + if (ret) { + dev_err(dev, "failed to register remove action\n"); + return ret; + } + + bbnsm->input = input; + + bbnsm->nb.notifier_call = &scmi_imx_bbm_key_notifier; + ret = handle->notify_ops->devm_event_notifier_register(sdev, SCMI_PROTOCOL_IMX_BBM, + SCMI_EVENT_IMX_BBM_BUTTON, + NULL, &bbnsm->nb); + + if (ret) + dev_err(dev, "Failed to register BBM Button Events %d:", ret); + + ret = input_register_device(input); + if (ret) { + dev_err(dev, "failed to register input device\n"); + return ret; + } + + return 0; +} + +static int scmi_imx_bbm_key_probe(struct scmi_device *sdev) +{ + const struct scmi_handle *handle = sdev->handle; + struct device *dev = &sdev->dev; + struct scmi_protocol_handle *ph; + struct scmi_imx_bbm *bbnsm; + int ret; + + if (!handle) + return -ENODEV; + + bbnsm = devm_kzalloc(dev, sizeof(*bbnsm), GFP_KERNEL); + if (!bbnsm) + return -ENOMEM; + + bbnsm->ops = handle->devm_protocol_get(sdev, SCMI_PROTOCOL_IMX_BBM, &ph); + if (IS_ERR(bbnsm->ops)) + return PTR_ERR(bbnsm->ops); + + bbnsm->ph = ph; + + device_init_wakeup(dev, true); + + dev_set_drvdata(dev, bbnsm); + + ret = scmi_imx_bbm_pwrkey_init(sdev); + if (ret) + device_init_wakeup(dev, false); + + return ret; +} + +static int __maybe_unused scmi_imx_bbm_key_suspend(struct device *dev) +{ + struct scmi_imx_bbm *bbnsm = dev_get_drvdata(dev); + + WRITE_ONCE(bbnsm->suspended, true); + + return 0; +} + +static int __maybe_unused scmi_imx_bbm_key_resume(struct device *dev) +{ + return 0; +} + +static SIMPLE_DEV_PM_OPS(scmi_imx_bbm_pm_key_ops, scmi_imx_bbm_key_suspend, + scmi_imx_bbm_key_resume); + +static const struct scmi_device_id scmi_id_table[] = { + { SCMI_PROTOCOL_IMX_BBM, "imx-bbm-key" }, + { }, +}; +MODULE_DEVICE_TABLE(scmi, scmi_id_table); + +static struct scmi_driver scmi_imx_bbm_key_driver = { + .driver = { + .pm = &scmi_imx_bbm_pm_key_ops, + }, + .name = "scmi-imx-bbm-key", + .probe = scmi_imx_bbm_key_probe, + .id_table = scmi_id_table, +}; +module_scmi_driver(scmi_imx_bbm_key_driver); + +MODULE_AUTHOR("Peng Fan <peng.fan@nxp.com>"); +MODULE_DESCRIPTION("IMX SM BBM Key driver"); +MODULE_LICENSE("GPL"); diff --git a/drivers/memory/atmel-ebi.c b/drivers/memory/atmel-ebi.c index e8bb5f37f5cb..8db970da9af9 100644 --- a/drivers/memory/atmel-ebi.c +++ b/drivers/memory/atmel-ebi.c @@ -6,6 +6,7 @@ * Copyright (C) 2013 Jean-Jacques Hiblot <jjhiblot@traphandler.com> */ +#include <linux/cleanup.h> #include <linux/clk.h> #include <linux/io.h> #include <linux/mfd/syscon.h> @@ -517,7 +518,7 @@ static int atmel_ebi_dev_disable(struct atmel_ebi *ebi, struct device_node *np) static int atmel_ebi_probe(struct platform_device *pdev) { struct device *dev = &pdev->dev; - struct device_node *child, *np = dev->of_node, *smc_np; + struct device_node *np = dev->of_node; struct atmel_ebi *ebi; int ret, reg_cells; struct clk *clk; @@ -541,30 +542,24 @@ static int atmel_ebi_probe(struct platform_device *pdev) ebi->clk = clk; - smc_np = of_parse_phandle(dev->of_node, "atmel,smc", 0); + struct device_node *smc_np __free(device_node) = + of_parse_phandle(dev->of_node, "atmel,smc", 0); ebi->smc.regmap = syscon_node_to_regmap(smc_np); - if (IS_ERR(ebi->smc.regmap)) { - ret = PTR_ERR(ebi->smc.regmap); - goto put_node; - } + if (IS_ERR(ebi->smc.regmap)) + return PTR_ERR(ebi->smc.regmap); ebi->smc.layout = atmel_hsmc_get_reg_layout(smc_np); - if (IS_ERR(ebi->smc.layout)) { - ret = PTR_ERR(ebi->smc.layout); - goto put_node; - } + if (IS_ERR(ebi->smc.layout)) + return PTR_ERR(ebi->smc.layout); ebi->smc.clk = of_clk_get(smc_np, 0); if (IS_ERR(ebi->smc.clk)) { - if (PTR_ERR(ebi->smc.clk) != -ENOENT) { - ret = PTR_ERR(ebi->smc.clk); - goto put_node; - } + if (PTR_ERR(ebi->smc.clk) != -ENOENT) + return PTR_ERR(ebi->smc.clk); ebi->smc.clk = NULL; } - of_node_put(smc_np); ret = clk_prepare_enable(ebi->smc.clk); if (ret) return ret; @@ -597,7 +592,7 @@ static int atmel_ebi_probe(struct platform_device *pdev) reg_cells += val; - for_each_available_child_of_node(np, child) { + for_each_available_child_of_node_scoped(np, child) { if (!of_property_present(child, "reg")) continue; @@ -607,18 +602,12 @@ static int atmel_ebi_probe(struct platform_device *pdev) child); ret = atmel_ebi_dev_disable(ebi, child); - if (ret) { - of_node_put(child); + if (ret) return ret; - } } } return of_platform_populate(np, NULL, NULL, dev); - -put_node: - of_node_put(smc_np); - return ret; } static __maybe_unused int atmel_ebi_resume(struct device *dev) diff --git a/drivers/memory/emif.c b/drivers/memory/emif.c index 8c5ad5c025fa..99eb7d1baa5f 100644 --- a/drivers/memory/emif.c +++ b/drivers/memory/emif.c @@ -7,6 +7,7 @@ * Aneesh V <aneesh@ti.com> * Santosh Shilimkar <santosh.shilimkar@ti.com> */ +#include <linux/cleanup.h> #include <linux/err.h> #include <linux/kernel.h> #include <linux/reboot.h> @@ -57,7 +58,6 @@ struct emif_data { u8 temperature_level; u8 lpmode; struct list_head node; - unsigned long irq_state; void __iomem *base; struct device *dev; struct emif_regs *regs_cache[EMIF_MAX_NUM_FREQUENCIES]; @@ -69,7 +69,6 @@ struct emif_data { static struct emif_data *emif1; static DEFINE_SPINLOCK(emif_lock); -static unsigned long irq_state; static LIST_HEAD(device_list); static void do_emif_regdump_show(struct seq_file *s, struct emif_data *emif, @@ -523,18 +522,18 @@ out: static irqreturn_t handle_temp_alert(void __iomem *base, struct emif_data *emif) { u32 old_temp_level; - irqreturn_t ret = IRQ_HANDLED; + irqreturn_t ret; struct emif_custom_configs *custom_configs; - spin_lock_irqsave(&emif_lock, irq_state); + guard(spinlock_irqsave)(&emif_lock); old_temp_level = emif->temperature_level; get_temperature_level(emif); if (unlikely(emif->temperature_level == old_temp_level)) { - goto out; + return IRQ_HANDLED; } else if (!emif->curr_regs) { dev_err(emif->dev, "temperature alert before registers are calculated, not de-rating timings\n"); - goto out; + return IRQ_HANDLED; } custom_configs = emif->plat_data->custom_configs; @@ -554,8 +553,7 @@ static irqreturn_t handle_temp_alert(void __iomem *base, struct emif_data *emif) * from thread context */ emif->temperature_level = SDRAM_TEMP_VERY_HIGH_SHUTDOWN; - ret = IRQ_WAKE_THREAD; - goto out; + return IRQ_WAKE_THREAD; } } @@ -571,10 +569,9 @@ static irqreturn_t handle_temp_alert(void __iomem *base, struct emif_data *emif) /* Temperature is going up - handle immediately */ setup_temperature_sensitive_regs(emif, emif->curr_regs); do_freq_update(); + ret = IRQ_HANDLED; } -out: - spin_unlock_irqrestore(&emif_lock, irq_state); return ret; } @@ -617,6 +614,7 @@ static irqreturn_t emif_interrupt_handler(int irq, void *dev_id) static irqreturn_t emif_threaded_isr(int irq, void *dev_id) { struct emif_data *emif = dev_id; + unsigned long irq_state; if (emif->temperature_level == SDRAM_TEMP_VERY_HIGH_SHUTDOWN) { dev_emerg(emif->dev, "SDRAM temperature exceeds operating limit.. Needs shut down!!!\n"); @@ -864,7 +862,7 @@ static void of_get_custom_configs(struct device_node *np_emif, be32_to_cpup(poll_intvl); } - if (of_find_property(np_emif, "extended-temp-part", &len)) + if (of_property_read_bool(np_emif, "extended-temp-part")) cust_cfgs->mask |= EMIF_CUSTOM_CONFIG_EXTENDED_TEMP_PART; if (!is_custom_config_valid(cust_cfgs, emif->dev)) { @@ -880,13 +878,9 @@ static void of_get_ddr_info(struct device_node *np_emif, struct ddr_device_info *dev_info) { u32 density = 0, io_width = 0; - int len; - if (of_find_property(np_emif, "cs1-used", &len)) - dev_info->cs1_used = true; - - if (of_find_property(np_emif, "cal-resistor-per-cs", &len)) - dev_info->cal_resistors_per_cs = true; + dev_info->cs1_used = of_property_read_bool(np_emif, "cs1-used"); + dev_info->cal_resistors_per_cs = of_property_read_bool(np_emif, "cal-resistor-per-cs"); if (of_device_is_compatible(np_ddr, "jedec,lpddr2-s4")) dev_info->type = DDR_TYPE_LPDDR2_S4; @@ -916,7 +910,6 @@ static struct emif_data *of_get_memory_device_details( struct ddr_device_info *dev_info = NULL; struct emif_platform_data *pd = NULL; struct device_node *np_ddr; - int len; np_ddr = of_parse_phandle(np_emif, "device-handle", 0); if (!np_ddr) @@ -944,7 +937,7 @@ static struct emif_data *of_get_memory_device_details( of_property_read_u32(np_emif, "phy-type", &pd->phy_type); - if (of_find_property(np_emif, "hw-caps-ll-interface", &len)) + if (of_property_read_bool(np_emif, "hw-caps-ll-interface")) pd->hw_caps |= EMIF_HW_CAPS_LL_INTERFACE; of_get_ddr_info(np_emif, np_ddr, dev_info); diff --git a/drivers/memory/mtk-smi.c b/drivers/memory/mtk-smi.c index fbe52ecc0eca..2bc034dff691 100644 --- a/drivers/memory/mtk-smi.c +++ b/drivers/memory/mtk-smi.c @@ -771,13 +771,9 @@ static int mtk_smi_common_probe(struct platform_device *pdev) if (IS_ERR(common->smi_ao_base)) return PTR_ERR(common->smi_ao_base); - common->clk_async = devm_clk_get(dev, "async"); + common->clk_async = devm_clk_get_enabled(dev, "async"); if (IS_ERR(common->clk_async)) return PTR_ERR(common->clk_async); - - ret = clk_prepare_enable(common->clk_async); - if (ret) - return ret; } else { common->base = devm_platform_ioremap_resource(pdev, 0); if (IS_ERR(common->base)) diff --git a/drivers/memory/omap-gpmc.c b/drivers/memory/omap-gpmc.c index 80d038884207..c8a0d82f9c27 100644 --- a/drivers/memory/omap-gpmc.c +++ b/drivers/memory/omap-gpmc.c @@ -9,6 +9,7 @@ * Copyright (C) 2009 Texas Instruments * Added OMAP4 support - Santosh Shilimkar <santosh.shilimkar@ti.com> */ +#include <linux/cleanup.h> #include <linux/cpu_pm.h> #include <linux/irq.h> #include <linux/kernel.h> @@ -989,18 +990,18 @@ int gpmc_cs_request(int cs, unsigned long size, unsigned long *base) if (size > (1 << GPMC_SECTION_SHIFT)) return -ENOMEM; - spin_lock(&gpmc_mem_lock); - if (gpmc_cs_reserved(cs)) { - r = -EBUSY; - goto out; - } + guard(spinlock)(&gpmc_mem_lock); + + if (gpmc_cs_reserved(cs)) + return -EBUSY; + if (gpmc_cs_mem_enabled(cs)) r = adjust_resource(res, res->start & ~(size - 1), size); if (r < 0) r = allocate_resource(&gpmc_mem_root, res, size, 0, ~0, size, NULL, NULL); if (r < 0) - goto out; + return r; /* Disable CS while changing base address and size mask */ gpmc_cs_disable_mem(cs); @@ -1008,16 +1009,15 @@ int gpmc_cs_request(int cs, unsigned long size, unsigned long *base) r = gpmc_cs_set_memconf(cs, res->start, resource_size(res)); if (r < 0) { release_resource(res); - goto out; + return r; } /* Enable CS */ gpmc_cs_enable_mem(cs); *base = res->start; gpmc_cs_set_reserved(cs, 1); -out: - spin_unlock(&gpmc_mem_lock); - return r; + + return 0; } EXPORT_SYMBOL(gpmc_cs_request); @@ -1026,10 +1026,9 @@ void gpmc_cs_free(int cs) struct gpmc_cs_data *gpmc; struct resource *res; - spin_lock(&gpmc_mem_lock); + guard(spinlock)(&gpmc_mem_lock); if (cs >= gpmc_cs_num || cs < 0 || !gpmc_cs_reserved(cs)) { WARN(1, "Trying to free non-reserved GPMC CS%d\n", cs); - spin_unlock(&gpmc_mem_lock); return; } gpmc = &gpmc_cs[cs]; @@ -1039,7 +1038,6 @@ void gpmc_cs_free(int cs) if (res->flags) release_resource(res); gpmc_cs_set_reserved(cs, 0); - spin_unlock(&gpmc_mem_lock); } EXPORT_SYMBOL(gpmc_cs_free); diff --git a/drivers/memory/pl172.c b/drivers/memory/pl172.c index 9eb8cc7de494..be7ba599cccf 100644 --- a/drivers/memory/pl172.c +++ b/drivers/memory/pl172.c @@ -187,6 +187,13 @@ static int pl172_parse_cs_config(struct amba_device *adev, return -EINVAL; } +static void pl172_amba_release_regions(void *data) +{ + struct amba_device *adev = data; + + amba_release_regions(adev); +} + static const char * const pl172_revisions[] = {"r1", "r2", "r2p3", "r2p4"}; static const char * const pl175_revisions[] = {"r1"}; static const char * const pl176_revisions[] = {"r0"}; @@ -216,38 +223,30 @@ static int pl172_probe(struct amba_device *adev, const struct amba_id *id) if (!pl172) return -ENOMEM; - pl172->clk = devm_clk_get(dev, "mpmcclk"); - if (IS_ERR(pl172->clk)) { - dev_err(dev, "no mpmcclk provided clock\n"); - return PTR_ERR(pl172->clk); - } - - ret = clk_prepare_enable(pl172->clk); - if (ret) { - dev_err(dev, "unable to mpmcclk enable clock\n"); - return ret; - } + pl172->clk = devm_clk_get_enabled(dev, "mpmcclk"); + if (IS_ERR(pl172->clk)) + return dev_err_probe(dev, PTR_ERR(pl172->clk), + "no mpmcclk provided clock\n"); pl172->rate = clk_get_rate(pl172->clk) / MSEC_PER_SEC; - if (!pl172->rate) { - dev_err(dev, "unable to get mpmcclk clock rate\n"); - ret = -EINVAL; - goto err_clk_enable; - } + if (!pl172->rate) + return dev_err_probe(dev, -EINVAL, + "unable to get mpmcclk clock rate\n"); ret = amba_request_regions(adev, NULL); if (ret) { dev_err(dev, "unable to request AMBA regions\n"); - goto err_clk_enable; + return ret; } + ret = devm_add_action_or_reset(dev, pl172_amba_release_regions, adev); + if (ret) + return ret; + pl172->base = devm_ioremap(dev, adev->res.start, resource_size(&adev->res)); - if (!pl172->base) { - dev_err(dev, "ioremap failed\n"); - ret = -ENOMEM; - goto err_no_ioremap; - } + if (!pl172->base) + return dev_err_probe(dev, -ENOMEM, "ioremap failed\n"); amba_set_drvdata(adev, pl172); @@ -265,20 +264,6 @@ static int pl172_probe(struct amba_device *adev, const struct amba_id *id) } return 0; - -err_no_ioremap: - amba_release_regions(adev); -err_clk_enable: - clk_disable_unprepare(pl172->clk); - return ret; -} - -static void pl172_remove(struct amba_device *adev) -{ - struct pl172_data *pl172 = amba_get_drvdata(adev); - - clk_disable_unprepare(pl172->clk); - amba_release_regions(adev); } static const struct amba_id pl172_ids[] = { @@ -306,7 +291,6 @@ static struct amba_driver pl172_driver = { .name = "memory-pl172", }, .probe = pl172_probe, - .remove = pl172_remove, .id_table = pl172_ids, }; module_amba_driver(pl172_driver); diff --git a/drivers/memory/pl353-smc.c b/drivers/memory/pl353-smc.c index 56e51737c81f..28a8cc56003c 100644 --- a/drivers/memory/pl353-smc.c +++ b/drivers/memory/pl353-smc.c @@ -74,73 +74,39 @@ static int pl353_smc_probe(struct amba_device *adev, const struct amba_id *id) struct device_node *of_node = adev->dev.of_node; const struct of_device_id *match = NULL; struct pl353_smc_data *pl353_smc; - struct device_node *child; - int err; pl353_smc = devm_kzalloc(&adev->dev, sizeof(*pl353_smc), GFP_KERNEL); if (!pl353_smc) return -ENOMEM; - pl353_smc->aclk = devm_clk_get(&adev->dev, "apb_pclk"); - if (IS_ERR(pl353_smc->aclk)) { - dev_err(&adev->dev, "aclk clock not found.\n"); - return PTR_ERR(pl353_smc->aclk); - } - - pl353_smc->memclk = devm_clk_get(&adev->dev, "memclk"); - if (IS_ERR(pl353_smc->memclk)) { - dev_err(&adev->dev, "memclk clock not found.\n"); - return PTR_ERR(pl353_smc->memclk); - } + pl353_smc->aclk = devm_clk_get_enabled(&adev->dev, "apb_pclk"); + if (IS_ERR(pl353_smc->aclk)) + return dev_err_probe(&adev->dev, PTR_ERR(pl353_smc->aclk), + "aclk clock not found.\n"); - err = clk_prepare_enable(pl353_smc->aclk); - if (err) { - dev_err(&adev->dev, "Unable to enable AXI clock.\n"); - return err; - } - - err = clk_prepare_enable(pl353_smc->memclk); - if (err) { - dev_err(&adev->dev, "Unable to enable memory clock.\n"); - goto disable_axi_clk; - } + pl353_smc->memclk = devm_clk_get_enabled(&adev->dev, "memclk"); + if (IS_ERR(pl353_smc->memclk)) + return dev_err_probe(&adev->dev, PTR_ERR(pl353_smc->memclk), + "memclk clock not found.\n"); amba_set_drvdata(adev, pl353_smc); /* Find compatible children. Only a single child is supported */ - for_each_available_child_of_node(of_node, child) { + for_each_available_child_of_node_scoped(of_node, child) { match = of_match_node(pl353_smc_supported_children, child); if (!match) { dev_warn(&adev->dev, "unsupported child node\n"); continue; } + of_platform_device_create(child, NULL, &adev->dev); break; } if (!match) { - err = -ENODEV; dev_err(&adev->dev, "no matching children\n"); - goto disable_mem_clk; + return -ENODEV; } - of_platform_device_create(child, NULL, &adev->dev); - of_node_put(child); - return 0; - -disable_mem_clk: - clk_disable_unprepare(pl353_smc->memclk); -disable_axi_clk: - clk_disable_unprepare(pl353_smc->aclk); - - return err; -} - -static void pl353_smc_remove(struct amba_device *adev) -{ - struct pl353_smc_data *pl353_smc = amba_get_drvdata(adev); - - clk_disable_unprepare(pl353_smc->memclk); - clk_disable_unprepare(pl353_smc->aclk); } static const struct amba_id pl353_ids[] = { @@ -159,7 +125,6 @@ static struct amba_driver pl353_smc_driver = { }, .id_table = pl353_ids, .probe = pl353_smc_probe, - .remove = pl353_smc_remove, }; module_amba_driver(pl353_smc_driver); diff --git a/drivers/memory/renesas-rpc-if.c b/drivers/memory/renesas-rpc-if.c index 3167826b236a..7fbd36fa1a1b 100644 --- a/drivers/memory/renesas-rpc-if.c +++ b/drivers/memory/renesas-rpc-if.c @@ -367,7 +367,7 @@ int rpcif_hw_init(struct device *dev, bool hyperflash) regmap_update_bits(rpc->regmap, RPCIF_CMNCR, RPCIF_CMNCR_MOIIO(3) | RPCIF_CMNCR_IOFV(3) | RPCIF_CMNCR_BSZ(3), - RPCIF_CMNCR_MOIIO(1) | RPCIF_CMNCR_IOFV(2) | + RPCIF_CMNCR_MOIIO(1) | RPCIF_CMNCR_IOFV(3) | RPCIF_CMNCR_BSZ(hyperflash ? 1 : 0)); else regmap_update_bits(rpc->regmap, RPCIF_CMNCR, diff --git a/drivers/memory/samsung/exynos5422-dmc.c b/drivers/memory/samsung/exynos5422-dmc.c index da7ecd921c72..7d80322754fa 100644 --- a/drivers/memory/samsung/exynos5422-dmc.c +++ b/drivers/memory/samsung/exynos5422-dmc.c @@ -4,6 +4,7 @@ * Author: Lukasz Luba <l.luba@partner.samsung.com> */ +#include <linux/cleanup.h> #include <linux/clk.h> #include <linux/devfreq.h> #include <linux/devfreq-event.h> @@ -339,19 +340,20 @@ static int exynos5_switch_timing_regs(struct exynos5_dmc *dmc, bool set) static int exynos5_init_freq_table(struct exynos5_dmc *dmc, struct devfreq_dev_profile *profile) { + struct device *dev = dmc->dev; int i, ret; int idx; unsigned long freq; - ret = devm_pm_opp_of_add_table(dmc->dev); + ret = devm_pm_opp_of_add_table(dev); if (ret < 0) { - dev_err(dmc->dev, "Failed to get OPP table\n"); + dev_err(dev, "Failed to get OPP table\n"); return ret; } - dmc->opp_count = dev_pm_opp_get_opp_count(dmc->dev); + dmc->opp_count = dev_pm_opp_get_opp_count(dev); - dmc->opp = devm_kmalloc_array(dmc->dev, dmc->opp_count, + dmc->opp = devm_kmalloc_array(dev, dmc->opp_count, sizeof(struct dmc_opp_table), GFP_KERNEL); if (!dmc->opp) return -ENOMEM; @@ -360,7 +362,7 @@ static int exynos5_init_freq_table(struct exynos5_dmc *dmc, for (i = 0, freq = ULONG_MAX; i < dmc->opp_count; i++, freq--) { struct dev_pm_opp *opp; - opp = dev_pm_opp_find_freq_floor(dmc->dev, &freq); + opp = dev_pm_opp_find_freq_floor(dev, &freq); if (IS_ERR(opp)) return PTR_ERR(opp); @@ -1175,51 +1177,44 @@ static int create_timings_aligned(struct exynos5_dmc *dmc, u32 *reg_timing_row, static int of_get_dram_timings(struct exynos5_dmc *dmc) { int ret = 0; + struct device *dev = dmc->dev; int idx; - struct device_node *np_ddr; u32 freq_mhz, clk_period_ps; - np_ddr = of_parse_phandle(dmc->dev->of_node, "device-handle", 0); + struct device_node *np_ddr __free(device_node) = + of_parse_phandle(dev->of_node, "device-handle", 0); if (!np_ddr) { - dev_warn(dmc->dev, "could not find 'device-handle' in DT\n"); + dev_warn(dev, "could not find 'device-handle' in DT\n"); return -EINVAL; } - dmc->timing_row = devm_kmalloc_array(dmc->dev, TIMING_COUNT, + dmc->timing_row = devm_kmalloc_array(dev, TIMING_COUNT, sizeof(u32), GFP_KERNEL); - if (!dmc->timing_row) { - ret = -ENOMEM; - goto put_node; - } + if (!dmc->timing_row) + return -ENOMEM; - dmc->timing_data = devm_kmalloc_array(dmc->dev, TIMING_COUNT, + dmc->timing_data = devm_kmalloc_array(dev, TIMING_COUNT, sizeof(u32), GFP_KERNEL); - if (!dmc->timing_data) { - ret = -ENOMEM; - goto put_node; - } + if (!dmc->timing_data) + return -ENOMEM; - dmc->timing_power = devm_kmalloc_array(dmc->dev, TIMING_COUNT, + dmc->timing_power = devm_kmalloc_array(dev, TIMING_COUNT, sizeof(u32), GFP_KERNEL); - if (!dmc->timing_power) { - ret = -ENOMEM; - goto put_node; - } + if (!dmc->timing_power) + return -ENOMEM; - dmc->timings = of_lpddr3_get_ddr_timings(np_ddr, dmc->dev, + dmc->timings = of_lpddr3_get_ddr_timings(np_ddr, dev, DDR_TYPE_LPDDR3, &dmc->timings_arr_size); if (!dmc->timings) { - dev_warn(dmc->dev, "could not get timings from DT\n"); - ret = -EINVAL; - goto put_node; + dev_warn(dev, "could not get timings from DT\n"); + return -EINVAL; } - dmc->min_tck = of_lpddr3_get_min_tck(np_ddr, dmc->dev); + dmc->min_tck = of_lpddr3_get_min_tck(np_ddr, dev); if (!dmc->min_tck) { - dev_warn(dmc->dev, "could not get tck from DT\n"); - ret = -EINVAL; - goto put_node; + dev_warn(dev, "could not get tck from DT\n"); + return -EINVAL; } /* Sorted array of OPPs with frequency ascending */ @@ -1239,8 +1234,6 @@ static int of_get_dram_timings(struct exynos5_dmc *dmc) dmc->bypass_timing_data = dmc->timing_data[idx - 1]; dmc->bypass_timing_power = dmc->timing_power[idx - 1]; -put_node: - of_node_put(np_ddr); return ret; } @@ -1254,34 +1247,34 @@ put_node: static int exynos5_dmc_init_clks(struct exynos5_dmc *dmc) { int ret; + struct device *dev = dmc->dev; unsigned long target_volt = 0; unsigned long target_rate = 0; unsigned int tmp; - dmc->fout_spll = devm_clk_get(dmc->dev, "fout_spll"); + dmc->fout_spll = devm_clk_get(dev, "fout_spll"); if (IS_ERR(dmc->fout_spll)) return PTR_ERR(dmc->fout_spll); - dmc->fout_bpll = devm_clk_get(dmc->dev, "fout_bpll"); + dmc->fout_bpll = devm_clk_get(dev, "fout_bpll"); if (IS_ERR(dmc->fout_bpll)) return PTR_ERR(dmc->fout_bpll); - dmc->mout_mclk_cdrex = devm_clk_get(dmc->dev, "mout_mclk_cdrex"); + dmc->mout_mclk_cdrex = devm_clk_get(dev, "mout_mclk_cdrex"); if (IS_ERR(dmc->mout_mclk_cdrex)) return PTR_ERR(dmc->mout_mclk_cdrex); - dmc->mout_bpll = devm_clk_get(dmc->dev, "mout_bpll"); + dmc->mout_bpll = devm_clk_get(dev, "mout_bpll"); if (IS_ERR(dmc->mout_bpll)) return PTR_ERR(dmc->mout_bpll); - dmc->mout_mx_mspll_ccore = devm_clk_get(dmc->dev, - "mout_mx_mspll_ccore"); + dmc->mout_mx_mspll_ccore = devm_clk_get(dev, "mout_mx_mspll_ccore"); if (IS_ERR(dmc->mout_mx_mspll_ccore)) return PTR_ERR(dmc->mout_mx_mspll_ccore); - dmc->mout_spll = devm_clk_get(dmc->dev, "ff_dout_spll2"); + dmc->mout_spll = devm_clk_get(dev, "ff_dout_spll2"); if (IS_ERR(dmc->mout_spll)) { - dmc->mout_spll = devm_clk_get(dmc->dev, "mout_sclk_spll"); + dmc->mout_spll = devm_clk_get(dev, "mout_sclk_spll"); if (IS_ERR(dmc->mout_spll)) return PTR_ERR(dmc->mout_spll); } @@ -1329,38 +1322,37 @@ static int exynos5_dmc_init_clks(struct exynos5_dmc *dmc) */ static int exynos5_performance_counters_init(struct exynos5_dmc *dmc) { + struct device *dev = dmc->dev; int ret, i; - dmc->num_counters = devfreq_event_get_edev_count(dmc->dev, - "devfreq-events"); + dmc->num_counters = devfreq_event_get_edev_count(dev, "devfreq-events"); if (dmc->num_counters < 0) { - dev_err(dmc->dev, "could not get devfreq-event counters\n"); + dev_err(dev, "could not get devfreq-event counters\n"); return dmc->num_counters; } - dmc->counter = devm_kcalloc(dmc->dev, dmc->num_counters, + dmc->counter = devm_kcalloc(dev, dmc->num_counters, sizeof(*dmc->counter), GFP_KERNEL); if (!dmc->counter) return -ENOMEM; for (i = 0; i < dmc->num_counters; i++) { dmc->counter[i] = - devfreq_event_get_edev_by_phandle(dmc->dev, - "devfreq-events", i); + devfreq_event_get_edev_by_phandle(dev, "devfreq-events", i); if (IS_ERR_OR_NULL(dmc->counter[i])) return -EPROBE_DEFER; } ret = exynos5_counters_enable_edev(dmc); if (ret < 0) { - dev_err(dmc->dev, "could not enable event counter\n"); + dev_err(dev, "could not enable event counter\n"); return ret; } ret = exynos5_counters_set_event(dmc); if (ret < 0) { exynos5_counters_disable_edev(dmc); - dev_err(dmc->dev, "could not set event counter\n"); + dev_err(dev, "could not set event counter\n"); return ret; } diff --git a/drivers/memory/stm32-fmc2-ebi.c b/drivers/memory/stm32-fmc2-ebi.c index 1c63eeacd071..566c225f71c0 100644 --- a/drivers/memory/stm32-fmc2-ebi.c +++ b/drivers/memory/stm32-fmc2-ebi.c @@ -1573,29 +1573,22 @@ static int stm32_fmc2_ebi_setup_cs(struct stm32_fmc2_ebi *ebi, static int stm32_fmc2_ebi_parse_dt(struct stm32_fmc2_ebi *ebi) { struct device *dev = ebi->dev; - struct device_node *child; bool child_found = false; u32 bank; int ret; - for_each_available_child_of_node(dev->of_node, child) { + for_each_available_child_of_node_scoped(dev->of_node, child) { ret = of_property_read_u32(child, "reg", &bank); - if (ret) { - dev_err(dev, "could not retrieve reg property: %d\n", - ret); - of_node_put(child); - return ret; - } + if (ret) + return dev_err_probe(dev, ret, "could not retrieve reg property\n"); if (bank >= FMC2_MAX_BANKS) { dev_err(dev, "invalid reg value: %d\n", bank); - of_node_put(child); return -EINVAL; } if (ebi->bank_assigned & BIT(bank)) { dev_err(dev, "bank already assigned: %d\n", bank); - of_node_put(child); return -EINVAL; } @@ -1603,19 +1596,15 @@ static int stm32_fmc2_ebi_parse_dt(struct stm32_fmc2_ebi *ebi) ret = ebi->data->check_rif(ebi, bank + 1); if (ret) { dev_err(dev, "bank access failed: %d\n", bank); - of_node_put(child); return ret; } } if (bank < FMC2_MAX_EBI_CE) { ret = stm32_fmc2_ebi_setup_cs(ebi, child, bank); - if (ret) { - dev_err(dev, "setup chip select %d failed: %d\n", - bank, ret); - of_node_put(child); - return ret; - } + if (ret) + return dev_err_probe(dev, ret, + "setup chip select %d failed\n", bank); } ebi->bank_assigned |= BIT(bank); diff --git a/drivers/memory/tegra/mc.c b/drivers/memory/tegra/mc.c index 224b488794e5..bd5b58f1fd42 100644 --- a/drivers/memory/tegra/mc.c +++ b/drivers/memory/tegra/mc.c @@ -450,7 +450,6 @@ static int load_one_timing(struct tegra_mc *mc, static int load_timings(struct tegra_mc *mc, struct device_node *node) { - struct device_node *child; struct tegra_mc_timing *timing; int child_count = of_get_child_count(node); int i = 0, err; @@ -462,14 +461,12 @@ static int load_timings(struct tegra_mc *mc, struct device_node *node) mc->num_timings = child_count; - for_each_child_of_node(node, child) { + for_each_child_of_node_scoped(node, child) { timing = &mc->timings[i++]; err = load_one_timing(mc, timing, child); - if (err) { - of_node_put(child); + if (err) return err; - } } return 0; @@ -477,7 +474,6 @@ static int load_timings(struct tegra_mc *mc, struct device_node *node) static int tegra_mc_setup_timings(struct tegra_mc *mc) { - struct device_node *node; u32 ram_code, node_ram_code; int err; @@ -485,14 +481,13 @@ static int tegra_mc_setup_timings(struct tegra_mc *mc) mc->num_timings = 0; - for_each_child_of_node(mc->dev->of_node, node) { + for_each_child_of_node_scoped(mc->dev->of_node, node) { err = of_property_read_u32(node, "nvidia,ram-code", &node_ram_code); if (err || (node_ram_code != ram_code)) continue; err = load_timings(mc, node); - of_node_put(node); if (err) return err; break; diff --git a/drivers/memory/tegra/tegra124-emc.c b/drivers/memory/tegra/tegra124-emc.c index 47c0c19e13fd..03f1daa2d132 100644 --- a/drivers/memory/tegra/tegra124-emc.c +++ b/drivers/memory/tegra/tegra124-emc.c @@ -992,7 +992,6 @@ static int tegra_emc_load_timings_from_dt(struct tegra_emc *emc, struct device_node *node) { int child_count = of_get_child_count(node); - struct device_node *child; struct emc_timing *timing; unsigned int i = 0; int err; @@ -1004,14 +1003,12 @@ static int tegra_emc_load_timings_from_dt(struct tegra_emc *emc, emc->num_timings = child_count; - for_each_child_of_node(node, child) { + for_each_child_of_node_scoped(node, child) { timing = &emc->timings[i++]; err = load_one_timing_from_dt(emc, timing, child); - if (err) { - of_node_put(child); + if (err) return err; - } } sort(emc->timings, emc->num_timings, sizeof(*timing), cmp_timings, diff --git a/drivers/memory/tegra/tegra186-emc.c b/drivers/memory/tegra/tegra186-emc.c index 57d9ae12fcfe..33d67d251719 100644 --- a/drivers/memory/tegra/tegra186-emc.c +++ b/drivers/memory/tegra/tegra186-emc.c @@ -35,11 +35,6 @@ struct tegra186_emc { struct icc_provider provider; }; -static inline struct tegra186_emc *to_tegra186_emc(struct icc_provider *provider) -{ - return container_of(provider, struct tegra186_emc, provider); -} - /* * debugfs interface * diff --git a/drivers/memory/tegra/tegra20-emc.c b/drivers/memory/tegra/tegra20-emc.c index 97cf59523b0b..7193f848d17e 100644 --- a/drivers/memory/tegra/tegra20-emc.c +++ b/drivers/memory/tegra/tegra20-emc.c @@ -410,7 +410,6 @@ static int cmp_timings(const void *_a, const void *_b) static int tegra_emc_load_timings_from_dt(struct tegra_emc *emc, struct device_node *node) { - struct device_node *child; struct emc_timing *timing; int child_count; int err; @@ -428,15 +427,13 @@ static int tegra_emc_load_timings_from_dt(struct tegra_emc *emc, timing = emc->timings; - for_each_child_of_node(node, child) { + for_each_child_of_node_scoped(node, child) { if (of_node_name_eq(child, "lpddr2")) continue; err = load_one_timing_from_dt(emc, timing++, child); - if (err) { - of_node_put(child); + if (err) return err; - } emc->num_timings++; } diff --git a/drivers/memory/tegra/tegra210-emc-cc-r21021.c b/drivers/memory/tegra/tegra210-emc-cc-r21021.c index 4cb608c71ead..a30a646ec468 100644 --- a/drivers/memory/tegra/tegra210-emc-cc-r21021.c +++ b/drivers/memory/tegra/tegra210-emc-cc-r21021.c @@ -75,29 +75,29 @@ enum { * The division portion of the average operation. */ #define __AVERAGE_PTFV(dev) \ - ({ next->ptfv_list[PTFV_DQSOSC_MOVAVG_ ## dev ## _INDEX] = \ - next->ptfv_list[PTFV_DQSOSC_MOVAVG_ ## dev ## _INDEX] / \ + ({ next->ptfv_list[(dev)] = \ + next->ptfv_list[(dev)] / \ next->ptfv_list[PTFV_DVFS_SAMPLES_INDEX]; }) /* * Convert val to fixed point and add it to the temporary average. */ #define __INCREMENT_PTFV(dev, val) \ - ({ next->ptfv_list[PTFV_DQSOSC_MOVAVG_ ## dev ## _INDEX] += \ + ({ next->ptfv_list[(dev)] += \ ((val) * MOVAVG_PRECISION_FACTOR); }) /* * Convert a moving average back to integral form and return the value. */ #define __MOVAVG_AC(timing, dev) \ - ((timing)->ptfv_list[PTFV_DQSOSC_MOVAVG_ ## dev ## _INDEX] / \ + ((timing)->ptfv_list[(dev)] / \ MOVAVG_PRECISION_FACTOR) /* Weighted update. */ #define __WEIGHTED_UPDATE_PTFV(dev, nval) \ do { \ int w = PTFV_MOVAVG_WEIGHT_INDEX; \ - int dqs = PTFV_DQSOSC_MOVAVG_ ## dev ## _INDEX; \ + int dqs = (dev); \ \ next->ptfv_list[dqs] = \ ((nval * MOVAVG_PRECISION_FACTOR) + \ @@ -105,315 +105,91 @@ enum { next->ptfv_list[w])) / \ (next->ptfv_list[w] + 1); \ \ - emc_dbg(emc, EMA_UPDATES, "%s: (s=%lu) EMA: %u\n", \ + emc_dbg(emc, EMA_UPDATES, "%s: (s=%u) EMA: %u\n", \ __stringify(dev), nval, next->ptfv_list[dqs]); \ } while (0) /* Access a particular average. */ #define __MOVAVG(timing, dev) \ - ((timing)->ptfv_list[PTFV_DQSOSC_MOVAVG_ ## dev ## _INDEX]) + ((timing)->ptfv_list[(dev)]) -static u32 update_clock_tree_delay(struct tegra210_emc *emc, int type) +static bool tegra210_emc_compare_update_delay(struct tegra210_emc_timing *timing, + u32 measured, u32 idx) { - bool periodic_training_update = type == PERIODIC_TRAINING_UPDATE; - struct tegra210_emc_timing *last = emc->last; - struct tegra210_emc_timing *next = emc->next; - u32 last_timing_rate_mhz = last->rate / 1000; - u32 next_timing_rate_mhz = next->rate / 1000; - bool dvfs_update = type == DVFS_UPDATE; - s32 tdel = 0, tmdel = 0, adel = 0; - bool dvfs_pt1 = type == DVFS_PT1; - unsigned long cval = 0; - u32 temp[2][2], value; - unsigned int i; - - /* - * Dev0 MSB. - */ - if (dvfs_pt1 || periodic_training_update) { - value = tegra210_emc_mrr_read(emc, 2, 19); - - for (i = 0; i < emc->num_channels; i++) { - temp[i][0] = (value & 0x00ff) << 8; - temp[i][1] = (value & 0xff00) << 0; - value >>= 16; - } - - /* - * Dev0 LSB. - */ - value = tegra210_emc_mrr_read(emc, 2, 18); - - for (i = 0; i < emc->num_channels; i++) { - temp[i][0] |= (value & 0x00ff) >> 0; - temp[i][1] |= (value & 0xff00) >> 8; - value >>= 16; - } - } - - if (dvfs_pt1 || periodic_training_update) { - cval = tegra210_emc_actual_osc_clocks(last->run_clocks); - cval *= 1000000; - cval /= last_timing_rate_mhz * 2 * temp[0][0]; - } + u32 *curr = &timing->current_dram_clktree[idx]; + u32 rate_mhz = timing->rate / 1000; + u32 tmdel; - if (dvfs_pt1) - __INCREMENT_PTFV(C0D0U0, cval); - else if (dvfs_update) - __AVERAGE_PTFV(C0D0U0); - else if (periodic_training_update) - __WEIGHTED_UPDATE_PTFV(C0D0U0, cval); - - if (dvfs_update || periodic_training_update) { - tdel = next->current_dram_clktree[C0D0U0] - - __MOVAVG_AC(next, C0D0U0); - tmdel = (tdel < 0) ? -1 * tdel : tdel; - adel = tmdel; - - if (tmdel * 128 * next_timing_rate_mhz / 1000000 > - next->tree_margin) - next->current_dram_clktree[C0D0U0] = - __MOVAVG_AC(next, C0D0U0); - } + tmdel = abs(*curr - measured); - if (dvfs_pt1 || periodic_training_update) { - cval = tegra210_emc_actual_osc_clocks(last->run_clocks); - cval *= 1000000; - cval /= last_timing_rate_mhz * 2 * temp[0][1]; + if (tmdel * 128 * rate_mhz / 1000000 > timing->tree_margin) { + *curr = measured; + return true; } - if (dvfs_pt1) - __INCREMENT_PTFV(C0D0U1, cval); - else if (dvfs_update) - __AVERAGE_PTFV(C0D0U1); - else if (periodic_training_update) - __WEIGHTED_UPDATE_PTFV(C0D0U1, cval); - - if (dvfs_update || periodic_training_update) { - tdel = next->current_dram_clktree[C0D0U1] - - __MOVAVG_AC(next, C0D0U1); - tmdel = (tdel < 0) ? -1 * tdel : tdel; - - if (tmdel > adel) - adel = tmdel; - - if (tmdel * 128 * next_timing_rate_mhz / 1000000 > - next->tree_margin) - next->current_dram_clktree[C0D0U1] = - __MOVAVG_AC(next, C0D0U1); - } - - if (emc->num_channels > 1) { - if (dvfs_pt1 || periodic_training_update) { - cval = tegra210_emc_actual_osc_clocks(last->run_clocks); - cval *= 1000000; - cval /= last_timing_rate_mhz * 2 * temp[1][0]; - } - - if (dvfs_pt1) - __INCREMENT_PTFV(C1D0U0, cval); - else if (dvfs_update) - __AVERAGE_PTFV(C1D0U0); - else if (periodic_training_update) - __WEIGHTED_UPDATE_PTFV(C1D0U0, cval); - - if (dvfs_update || periodic_training_update) { - tdel = next->current_dram_clktree[C1D0U0] - - __MOVAVG_AC(next, C1D0U0); - tmdel = (tdel < 0) ? -1 * tdel : tdel; - - if (tmdel > adel) - adel = tmdel; - - if (tmdel * 128 * next_timing_rate_mhz / 1000000 > - next->tree_margin) - next->current_dram_clktree[C1D0U0] = - __MOVAVG_AC(next, C1D0U0); - } - - if (dvfs_pt1 || periodic_training_update) { - cval = tegra210_emc_actual_osc_clocks(last->run_clocks); - cval *= 1000000; - cval /= last_timing_rate_mhz * 2 * temp[1][1]; - } - - if (dvfs_pt1) - __INCREMENT_PTFV(C1D0U1, cval); - else if (dvfs_update) - __AVERAGE_PTFV(C1D0U1); - else if (periodic_training_update) - __WEIGHTED_UPDATE_PTFV(C1D0U1, cval); - - if (dvfs_update || periodic_training_update) { - tdel = next->current_dram_clktree[C1D0U1] - - __MOVAVG_AC(next, C1D0U1); - tmdel = (tdel < 0) ? -1 * tdel : tdel; - - if (tmdel > adel) - adel = tmdel; - - if (tmdel * 128 * next_timing_rate_mhz / 1000000 > - next->tree_margin) - next->current_dram_clktree[C1D0U1] = - __MOVAVG_AC(next, C1D0U1); - } - } - - if (emc->num_devices < 2) - goto done; - - /* - * Dev1 MSB. - */ - if (dvfs_pt1 || periodic_training_update) { - value = tegra210_emc_mrr_read(emc, 1, 19); + return false; +} - for (i = 0; i < emc->num_channels; i++) { - temp[i][0] = (value & 0x00ff) << 8; - temp[i][1] = (value & 0xff00) << 0; - value >>= 16; - } +static void tegra210_emc_get_clktree_delay(struct tegra210_emc *emc, + u32 delay[DRAM_CLKTREE_NUM]) +{ + struct tegra210_emc_timing *curr = emc->last; + u32 rate_mhz = curr->rate / 1000; + u32 msb, lsb, dqsosc, delay_us; + unsigned int c, d, idx; + unsigned long clocks; - /* - * Dev1 LSB. - */ - value = tegra210_emc_mrr_read(emc, 1, 18); + clocks = tegra210_emc_actual_osc_clocks(curr->run_clocks); + delay_us = 2 + (clocks / rate_mhz); - for (i = 0; i < emc->num_channels; i++) { - temp[i][0] |= (value & 0x00ff) >> 0; - temp[i][1] |= (value & 0xff00) >> 8; - value >>= 16; - } - } + tegra210_emc_start_periodic_compensation(emc); + udelay(delay_us); - if (dvfs_pt1 || periodic_training_update) { - cval = tegra210_emc_actual_osc_clocks(last->run_clocks); - cval *= 1000000; - cval /= last_timing_rate_mhz * 2 * temp[0][0]; - } + for (d = 0; d < emc->num_devices; d++) { + /* Read DQSOSC from MRR18/19 */ + msb = tegra210_emc_mrr_read(emc, 2 - d, 19); + lsb = tegra210_emc_mrr_read(emc, 2 - d, 18); - if (dvfs_pt1) - __INCREMENT_PTFV(C0D1U0, cval); - else if (dvfs_update) - __AVERAGE_PTFV(C0D1U0); - else if (periodic_training_update) - __WEIGHTED_UPDATE_PTFV(C0D1U0, cval); - - if (dvfs_update || periodic_training_update) { - tdel = next->current_dram_clktree[C0D1U0] - - __MOVAVG_AC(next, C0D1U0); - tmdel = (tdel < 0) ? -1 * tdel : tdel; - - if (tmdel > adel) - adel = tmdel; - - if (tmdel * 128 * next_timing_rate_mhz / 1000000 > - next->tree_margin) - next->current_dram_clktree[C0D1U0] = - __MOVAVG_AC(next, C0D1U0); - } + for (c = 0; c < emc->num_channels; c++) { + /* C[c]D[d]U[0] */ + idx = c * 4 + d * 2; - if (dvfs_pt1 || periodic_training_update) { - cval = tegra210_emc_actual_osc_clocks(last->run_clocks); - cval *= 1000000; - cval /= last_timing_rate_mhz * 2 * temp[0][1]; - } + dqsosc = (msb & 0x00ff) << 8; + dqsosc |= (lsb & 0x00ff) >> 0; - if (dvfs_pt1) - __INCREMENT_PTFV(C0D1U1, cval); - else if (dvfs_update) - __AVERAGE_PTFV(C0D1U1); - else if (periodic_training_update) - __WEIGHTED_UPDATE_PTFV(C0D1U1, cval); - - if (dvfs_update || periodic_training_update) { - tdel = next->current_dram_clktree[C0D1U1] - - __MOVAVG_AC(next, C0D1U1); - tmdel = (tdel < 0) ? -1 * tdel : tdel; - - if (tmdel > adel) - adel = tmdel; - - if (tmdel * 128 * next_timing_rate_mhz / 1000000 > - next->tree_margin) - next->current_dram_clktree[C0D1U1] = - __MOVAVG_AC(next, C0D1U1); - } + /* Check for unpopulated channels */ + if (dqsosc) + delay[idx] = (clocks * 1000000) / + (rate_mhz * 2 * dqsosc); - if (emc->num_channels > 1) { - if (dvfs_pt1 || periodic_training_update) { - cval = tegra210_emc_actual_osc_clocks(last->run_clocks); - cval *= 1000000; - cval /= last_timing_rate_mhz * 2 * temp[1][0]; - } + /* C[c]D[d]U[1] */ + idx++; - if (dvfs_pt1) - __INCREMENT_PTFV(C1D1U0, cval); - else if (dvfs_update) - __AVERAGE_PTFV(C1D1U0); - else if (periodic_training_update) - __WEIGHTED_UPDATE_PTFV(C1D1U0, cval); - - if (dvfs_update || periodic_training_update) { - tdel = next->current_dram_clktree[C1D1U0] - - __MOVAVG_AC(next, C1D1U0); - tmdel = (tdel < 0) ? -1 * tdel : tdel; - - if (tmdel > adel) - adel = tmdel; - - if (tmdel * 128 * next_timing_rate_mhz / 1000000 > - next->tree_margin) - next->current_dram_clktree[C1D1U0] = - __MOVAVG_AC(next, C1D1U0); - } + dqsosc = (msb & 0xff00) << 0; + dqsosc |= (lsb & 0xff00) >> 8; - if (dvfs_pt1 || periodic_training_update) { - cval = tegra210_emc_actual_osc_clocks(last->run_clocks); - cval *= 1000000; - cval /= last_timing_rate_mhz * 2 * temp[1][1]; - } + /* Check for unpopulated channels */ + if (dqsosc) + delay[idx] = (clocks * 1000000) / + (rate_mhz * 2 * dqsosc); - if (dvfs_pt1) - __INCREMENT_PTFV(C1D1U1, cval); - else if (dvfs_update) - __AVERAGE_PTFV(C1D1U1); - else if (periodic_training_update) - __WEIGHTED_UPDATE_PTFV(C1D1U1, cval); - - if (dvfs_update || periodic_training_update) { - tdel = next->current_dram_clktree[C1D1U1] - - __MOVAVG_AC(next, C1D1U1); - tmdel = (tdel < 0) ? -1 * tdel : tdel; - - if (tmdel > adel) - adel = tmdel; - - if (tmdel * 128 * next_timing_rate_mhz / 1000000 > - next->tree_margin) - next->current_dram_clktree[C1D1U1] = - __MOVAVG_AC(next, C1D1U1); + msb >>= 16; + lsb >>= 16; } } - -done: - return adel; } -static u32 periodic_compensation_handler(struct tegra210_emc *emc, u32 type, - struct tegra210_emc_timing *last, - struct tegra210_emc_timing *next) +static bool periodic_compensation_handler(struct tegra210_emc *emc, u32 type, + struct tegra210_emc_timing *last, + struct tegra210_emc_timing *next) { #define __COPY_EMA(nt, lt, dev) \ ({ __MOVAVG(nt, dev) = __MOVAVG(lt, dev) * \ (nt)->ptfv_list[PTFV_DVFS_SAMPLES_INDEX]; }) - u32 i, adel = 0, samples = next->ptfv_list[PTFV_DVFS_SAMPLES_INDEX]; - u32 delay; - - delay = tegra210_emc_actual_osc_clocks(last->run_clocks); - delay *= 1000; - delay = 2 + (delay / last->rate); + u32 i, samples = next->ptfv_list[PTFV_DVFS_SAMPLES_INDEX]; + u32 delay[DRAM_CLKTREE_NUM], idx; + bool over = false; if (!next->periodic_training) return 0; @@ -427,57 +203,46 @@ static u32 periodic_compensation_handler(struct tegra210_emc *emc, u32 type, * calibration then we can reuse the previous * frequencies EMA data. */ - __COPY_EMA(next, last, C0D0U0); - __COPY_EMA(next, last, C0D0U1); - __COPY_EMA(next, last, C1D0U0); - __COPY_EMA(next, last, C1D0U1); - __COPY_EMA(next, last, C0D1U0); - __COPY_EMA(next, last, C0D1U1); - __COPY_EMA(next, last, C1D1U0); - __COPY_EMA(next, last, C1D1U1); + for (idx = 0; idx < DRAM_CLKTREE_NUM; idx++) + __COPY_EMA(next, last, idx); } else { /* Reset the EMA.*/ - __MOVAVG(next, C0D0U0) = 0; - __MOVAVG(next, C0D0U1) = 0; - __MOVAVG(next, C1D0U0) = 0; - __MOVAVG(next, C1D0U1) = 0; - __MOVAVG(next, C0D1U0) = 0; - __MOVAVG(next, C0D1U1) = 0; - __MOVAVG(next, C1D1U0) = 0; - __MOVAVG(next, C1D1U1) = 0; + for (idx = 0; idx < DRAM_CLKTREE_NUM; idx++) + __MOVAVG(next, idx) = 0; for (i = 0; i < samples; i++) { - tegra210_emc_start_periodic_compensation(emc); - udelay(delay); + /* Generate next sample of data. */ + tegra210_emc_get_clktree_delay(emc, delay); - /* - * Generate next sample of data. - */ - adel = update_clock_tree_delay(emc, DVFS_PT1); + for (idx = 0; idx < DRAM_CLKTREE_NUM; idx++) + __INCREMENT_PTFV(idx, delay[idx]); } } - /* - * Seems like it should be part of the - * 'if (last_timing->periodic_training)' conditional - * since is already done for the else clause. - */ - adel = update_clock_tree_delay(emc, DVFS_UPDATE); + for (idx = 0; idx < DRAM_CLKTREE_NUM; idx++) { + /* Do the division part of the moving average */ + __AVERAGE_PTFV(idx); + over |= tegra210_emc_compare_update_delay(next, + __MOVAVG_AC(next, idx), idx); + } } if (type == PERIODIC_TRAINING_SEQUENCE) { - tegra210_emc_start_periodic_compensation(emc); - udelay(delay); + tegra210_emc_get_clktree_delay(emc, delay); - adel = update_clock_tree_delay(emc, PERIODIC_TRAINING_UPDATE); + for (idx = 0; idx < DRAM_CLKTREE_NUM; idx++) { + __WEIGHTED_UPDATE_PTFV(idx, delay[idx]); + over |= tegra210_emc_compare_update_delay(next, + __MOVAVG_AC(next, idx), idx); + } } - return adel; + return over; } static u32 tegra210_emc_r21021_periodic_compensation(struct tegra210_emc *emc) { - u32 emc_cfg, emc_cfg_o, emc_cfg_update, del, value; + u32 emc_cfg, emc_cfg_o, emc_cfg_update, value; static const u32 list[] = { EMC_PMACRO_OB_DDLL_LONG_DQ_RANK0_0, EMC_PMACRO_OB_DDLL_LONG_DQ_RANK0_1, @@ -492,7 +257,6 @@ static u32 tegra210_emc_r21021_periodic_compensation(struct tegra210_emc *emc) }; struct tegra210_emc_timing *last = emc->last; unsigned int items = ARRAY_SIZE(list), i; - unsigned long delay; if (last->periodic_training) { emc_dbg(emc, PER_TRAIN, "Periodic training starting\n"); @@ -530,30 +294,18 @@ static u32 tegra210_emc_r21021_periodic_compensation(struct tegra210_emc *emc) /* * 2. osc kick off - this assumes training and dvfs have set * correct MR23. - */ - tegra210_emc_start_periodic_compensation(emc); - - /* + * * 3. Let dram capture its clock tree delays. - */ - delay = tegra210_emc_actual_osc_clocks(last->run_clocks); - delay *= 1000; - delay /= last->rate + 1; - udelay(delay); - - /* + * * 4. Check delta wrt previous values (save value if margin * exceeds what is set in table). */ - del = periodic_compensation_handler(emc, - PERIODIC_TRAINING_SEQUENCE, - last, last); - + if (periodic_compensation_handler(emc, PERIODIC_TRAINING_SEQUENCE, + last, last)) { /* * 5. Apply compensation w.r.t. trained values (if clock tree * has drifted more than the set margin). */ - if (last->tree_margin < ((del * 128 * (last->rate / 1000)) / 1000000)) { for (i = 0; i < items; i++) { value = tegra210_emc_compensate(last, list[i]); emc_dbg(emc, EMA_WRITES, "0x%08x <= 0x%08x\n", @@ -734,16 +486,7 @@ static void tegra210_emc_r21021_set_clock(struct tegra210_emc *emc, u32 clksrc) EMC_EMC_STATUS_DRAM_IN_SELF_REFRESH_MASK, 0); - tegra210_emc_start_periodic_compensation(emc); - - delay = 1000 * tegra210_emc_actual_osc_clocks(last->run_clocks); - udelay((delay / last->rate) + 2); - - value = periodic_compensation_handler(emc, DVFS_SEQUENCE, fake, - next); - value = (value * 128 * next->rate / 1000) / 1000000; - - if (next->periodic_training && value > next->tree_margin) + if (periodic_compensation_handler(emc, DVFS_SEQUENCE, fake, next)) compensate_trimmer_applicable = true; } diff --git a/drivers/memory/tegra/tegra30-emc.c b/drivers/memory/tegra/tegra30-emc.c index d7b0a23c2d7d..921dce1b8bc6 100644 --- a/drivers/memory/tegra/tegra30-emc.c +++ b/drivers/memory/tegra/tegra30-emc.c @@ -979,7 +979,6 @@ static int emc_check_mc_timings(struct tegra_emc *emc) static int emc_load_timings_from_dt(struct tegra_emc *emc, struct device_node *node) { - struct device_node *child; struct emc_timing *timing; int child_count; int err; @@ -998,12 +997,10 @@ static int emc_load_timings_from_dt(struct tegra_emc *emc, emc->num_timings = child_count; timing = emc->timings; - for_each_child_of_node(node, child) { + for_each_child_of_node_scoped(node, child) { err = load_one_timing_from_dt(emc, timing++, child); - if (err) { - of_node_put(child); + if (err) return err; - } } sort(emc->timings, emc->num_timings, sizeof(*timing), cmp_timings, diff --git a/drivers/memory/ti-aemif.c b/drivers/memory/ti-aemif.c index e192db9e0e4b..d54dc3cfff73 100644 --- a/drivers/memory/ti-aemif.c +++ b/drivers/memory/ti-aemif.c @@ -17,7 +17,6 @@ #include <linux/of.h> #include <linux/of_platform.h> #include <linux/platform_device.h> -#include <linux/platform_data/ti-aemif.h> #define TA_SHIFT 2 #define RHOLD_SHIFT 4 @@ -330,42 +329,27 @@ static int aemif_probe(struct platform_device *pdev) int ret = -ENODEV; struct device *dev = &pdev->dev; struct device_node *np = dev->of_node; - struct device_node *child_np; struct aemif_device *aemif; - struct aemif_platform_data *pdata; - struct of_dev_auxdata *dev_lookup; aemif = devm_kzalloc(dev, sizeof(*aemif), GFP_KERNEL); if (!aemif) return -ENOMEM; - pdata = dev_get_platdata(&pdev->dev); - dev_lookup = pdata ? pdata->dev_lookup : NULL; - platform_set_drvdata(pdev, aemif); - aemif->clk = devm_clk_get(dev, NULL); - if (IS_ERR(aemif->clk)) { - dev_err(dev, "cannot get clock 'aemif'\n"); - return PTR_ERR(aemif->clk); - } - - ret = clk_prepare_enable(aemif->clk); - if (ret) - return ret; + aemif->clk = devm_clk_get_enabled(dev, NULL); + if (IS_ERR(aemif->clk)) + return dev_err_probe(dev, PTR_ERR(aemif->clk), + "cannot get clock 'aemif'\n"); aemif->clk_rate = clk_get_rate(aemif->clk) / MSEC_PER_SEC; if (np && of_device_is_compatible(np, "ti,da850-aemif")) aemif->cs_offset = 2; - else if (pdata) - aemif->cs_offset = pdata->cs_offset; aemif->base = devm_platform_ioremap_resource(pdev, 0); - if (IS_ERR(aemif->base)) { - ret = PTR_ERR(aemif->base); - goto error; - } + if (IS_ERR(aemif->base)) + return PTR_ERR(aemif->base); if (np) { /* @@ -374,17 +358,10 @@ static int aemif_probe(struct platform_device *pdev) * functions iterate over these nodes and update the cs data * array. */ - for_each_available_child_of_node(np, child_np) { + for_each_available_child_of_node_scoped(np, child_np) { ret = of_aemif_parse_abus_config(pdev, child_np); - if (ret < 0) { - of_node_put(child_np); - goto error; - } - } - } else if (pdata && pdata->num_abus_data > 0) { - for (i = 0; i < pdata->num_abus_data; i++, aemif->num_cs++) { - aemif->cs_data[i].cs = pdata->abus_data[i].cs; - aemif_get_hw_params(pdev, i); + if (ret < 0) + return ret; } } @@ -393,7 +370,7 @@ static int aemif_probe(struct platform_device *pdev) if (ret < 0) { dev_err(dev, "Error configuring chip select %d\n", aemif->cs_data[i].cs); - goto error; + return ret; } } @@ -402,41 +379,18 @@ static int aemif_probe(struct platform_device *pdev) * child will be probed after the AEMIF timing parameters are set. */ if (np) { - for_each_available_child_of_node(np, child_np) { - ret = of_platform_populate(child_np, NULL, - dev_lookup, dev); - if (ret < 0) { - of_node_put(child_np); - goto error; - } - } - } else if (pdata) { - for (i = 0; i < pdata->num_sub_devices; i++) { - pdata->sub_devices[i].dev.parent = dev; - ret = platform_device_register(&pdata->sub_devices[i]); - if (ret) { - dev_warn(dev, "Error register sub device %s\n", - pdata->sub_devices[i].name); - } + for_each_available_child_of_node_scoped(np, child_np) { + ret = of_platform_populate(child_np, NULL, NULL, dev); + if (ret < 0) + return ret; } } return 0; -error: - clk_disable_unprepare(aemif->clk); - return ret; -} - -static void aemif_remove(struct platform_device *pdev) -{ - struct aemif_device *aemif = platform_get_drvdata(pdev); - - clk_disable_unprepare(aemif->clk); } static struct platform_driver aemif_driver = { .probe = aemif_probe, - .remove_new = aemif_remove, .driver = { .name = "ti-aemif", .of_match_table = of_match_ptr(aemif_of_match), diff --git a/drivers/platform/cznic/turris-omnia-mcu-trng.c b/drivers/platform/cznic/turris-omnia-mcu-trng.c index ad953fb3c37a..9a1d9292dc9a 100644 --- a/drivers/platform/cznic/turris-omnia-mcu-trng.c +++ b/drivers/platform/cznic/turris-omnia-mcu-trng.c @@ -70,8 +70,8 @@ int omnia_mcu_register_trng(struct omnia_mcu *mcu) irq_idx = omnia_int_to_gpio_idx[__bf_shf(OMNIA_INT_TRNG)]; irq = gpiod_to_irq(gpio_device_get_desc(mcu->gc.gpiodev, irq_idx)); - if (!irq) - return dev_err_probe(dev, -ENXIO, "Cannot get TRNG IRQ\n"); + if (irq < 0) + return dev_err_probe(dev, irq, "Cannot get TRNG IRQ\n"); /* * If someone else cleared the TRNG interrupt but did not read the diff --git a/drivers/reset/Kconfig b/drivers/reset/Kconfig index 67bce340a87e..5484a65f66b9 100644 --- a/drivers/reset/Kconfig +++ b/drivers/reset/Kconfig @@ -66,6 +66,19 @@ config RESET_BRCMSTB_RESCAL This enables the RESCAL reset controller for SATA, PCIe0, or PCIe1 on BCM7216. +config RESET_EYEQ + bool "Mobileye EyeQ reset controller" + depends on MACH_EYEQ5 || MACH_EYEQ6H || COMPILE_TEST + select AUXILIARY_BUS + default MACH_EYEQ5 || MACH_EYEQ6H + help + This enables the Mobileye EyeQ reset controller, used in EyeQ5, EyeQ6L + and EyeQ6H SoCs. + + It has one or more domains, with a varying number of resets in each. + Registers are located in a shared register region called OLB. EyeQ6H + has multiple reset instances. + config RESET_GPIO tristate "GPIO reset controller" depends on GPIOLIB diff --git a/drivers/reset/Makefile b/drivers/reset/Makefile index 27b0bbdfcc04..4411a2a124d7 100644 --- a/drivers/reset/Makefile +++ b/drivers/reset/Makefile @@ -11,6 +11,7 @@ obj-$(CONFIG_RESET_BCM6345) += reset-bcm6345.o obj-$(CONFIG_RESET_BERLIN) += reset-berlin.o obj-$(CONFIG_RESET_BRCMSTB) += reset-brcmstb.o obj-$(CONFIG_RESET_BRCMSTB_RESCAL) += reset-brcmstb-rescal.o +obj-$(CONFIG_RESET_EYEQ) += reset-eyeq.o obj-$(CONFIG_RESET_GPIO) += reset-gpio.o obj-$(CONFIG_RESET_HSDK) += reset-hsdk.o obj-$(CONFIG_RESET_IMX7) += reset-imx7.o diff --git a/drivers/reset/core.c b/drivers/reset/core.c index dba74e857be6..4d509d41456a 100644 --- a/drivers/reset/core.c +++ b/drivers/reset/core.c @@ -812,6 +812,7 @@ __reset_control_get_internal(struct reset_controller_dev *rcdev, kref_init(&rstc->refcnt); rstc->acquired = acquired; rstc->shared = shared; + get_device(rcdev->dev); return rstc; } @@ -826,6 +827,7 @@ static void __reset_control_release(struct kref *kref) module_put(rstc->rcdev->owner); list_del(&rstc->list); + put_device(rstc->rcdev->dev); kfree(rstc); } @@ -916,20 +918,18 @@ static int __reset_add_reset_gpio_device(const struct of_phandle_args *args) */ lockdep_assert_not_held(&reset_list_mutex); - mutex_lock(&reset_gpio_lookup_mutex); + guard(mutex)(&reset_gpio_lookup_mutex); list_for_each_entry(rgpio_dev, &reset_gpio_lookup_list, list) { if (args->np == rgpio_dev->of_args.np) { if (of_phandle_args_equal(args, &rgpio_dev->of_args)) - goto out; /* Already on the list, done */ + return 0; /* Already on the list, done */ } } id = ida_alloc(&reset_gpio_ida, GFP_KERNEL); - if (id < 0) { - ret = id; - goto err_unlock; - } + if (id < 0) + return id; /* Not freed on success, because it is persisent subsystem data. */ rgpio_dev = kzalloc(sizeof(*rgpio_dev), GFP_KERNEL); @@ -959,9 +959,6 @@ static int __reset_add_reset_gpio_device(const struct of_phandle_args *args) list_add(&rgpio_dev->list, &reset_gpio_lookup_list); -out: - mutex_unlock(&reset_gpio_lookup_mutex); - return 0; err_put: @@ -970,8 +967,6 @@ err_kfree: kfree(rgpio_dev); err_ida_free: ida_free(&reset_gpio_ida, id); -err_unlock: - mutex_unlock(&reset_gpio_lookup_mutex); return ret; } diff --git a/drivers/reset/reset-berlin.c b/drivers/reset/reset-berlin.c index 2537ec05ecee..578fe867080c 100644 --- a/drivers/reset/reset-berlin.c +++ b/drivers/reset/reset-berlin.c @@ -68,13 +68,14 @@ static int berlin_reset_xlate(struct reset_controller_dev *rcdev, static int berlin2_reset_probe(struct platform_device *pdev) { - struct device_node *parent_np = of_get_parent(pdev->dev.of_node); + struct device_node *parent_np; struct berlin_reset_priv *priv; priv = devm_kzalloc(&pdev->dev, sizeof(*priv), GFP_KERNEL); if (!priv) return -ENOMEM; + parent_np = of_get_parent(pdev->dev.of_node); priv->regmap = syscon_node_to_regmap(parent_np); of_node_put(parent_np); if (IS_ERR(priv->regmap)) diff --git a/drivers/reset/reset-eyeq.c b/drivers/reset/reset-eyeq.c new file mode 100644 index 000000000000..02d50041048b --- /dev/null +++ b/drivers/reset/reset-eyeq.c @@ -0,0 +1,570 @@ +// SPDX-License-Identifier: GPL-2.0-only +/* + * Reset driver for the Mobileye EyeQ5, EyeQ6L and EyeQ6H platforms. + * + * Controllers live in a shared register region called OLB. EyeQ5 and EyeQ6L + * have a single OLB instance for a single reset controller. EyeQ6H has seven + * OLB instances; three host reset controllers. + * + * Each reset controller has one or more domain. Domains are of a given type + * (see enum eqr_domain_type), with a valid offset mask (up to 32 resets per + * domain). + * + * Domain types define expected behavior: one-register-per-reset, + * one-bit-per-reset, status detection method, busywait duration, etc. + * + * We use eqr_ as prefix, as-in "EyeQ Reset", but way shorter. + * + * Known resets in EyeQ5 domain 0 (type EQR_EYEQ5_SARCR): + * 3. CAN0 4. CAN1 5. CAN2 6. SPI0 + * 7. SPI1 8. SPI2 9. SPI3 10. UART0 + * 11. UART1 12. UART2 13. I2C0 14. I2C1 + * 15. I2C2 16. I2C3 17. I2C4 18. TIMER0 + * 19. TIMER1 20. TIMER2 21. TIMER3 22. TIMER4 + * 23. WD0 24. EXT0 25. EXT1 26. GPIO + * 27. WD1 + * + * Known resets in EyeQ5 domain 1 (type EQR_EYEQ5_ACRP): + * 0. VMP0 1. VMP1 2. VMP2 3. VMP3 + * 4. PMA0 5. PMA1 6. PMAC0 7. PMAC1 + * 8. MPC0 9. MPC1 10. MPC2 11. MPC3 + * 12. MPC4 + * + * Known resets in EyeQ5 domain 2 (type EQR_EYEQ5_PCIE): + * 0. PCIE0_CORE 1. PCIE0_APB 2. PCIE0_LINK_AXI 3. PCIE0_LINK_MGMT + * 4. PCIE0_LINK_HOT 5. PCIE0_LINK_PIPE 6. PCIE1_CORE 7. PCIE1_APB + * 8. PCIE1_LINK_AXI 9. PCIE1_LINK_MGMT 10. PCIE1_LINK_HOT 11. PCIE1_LINK_PIPE + * 12. MULTIPHY 13. MULTIPHY_APB 15. PCIE0_LINK_MGMT 16. PCIE1_LINK_MGMT + * 17. PCIE0_LINK_PM 18. PCIE1_LINK_PM + * + * Known resets in EyeQ6L domain 0 (type EQR_EYEQ5_SARCR): + * 0. SPI0 1. SPI1 2. UART0 3. I2C0 + * 4. I2C1 5. TIMER0 6. TIMER1 7. TIMER2 + * 8. TIMER3 9. WD0 10. WD1 11. EXT0 + * 12. EXT1 13. GPIO + * + * Known resets in EyeQ6L domain 1 (type EQR_EYEQ5_ACRP): + * 0. VMP0 1. VMP1 2. VMP2 3. VMP3 + * 4. PMA0 5. PMA1 6. PMAC0 7. PMAC1 + * 8. MPC0 9. MPC1 10. MPC2 11. MPC3 + * 12. MPC4 + * + * Known resets in EyeQ6H west/east (type EQR_EYEQ6H_SARCR): + * 0. CAN 1. SPI0 2. SPI1 3. UART0 + * 4. UART1 5. I2C0 6. I2C1 7. -hole- + * 8. TIMER0 9. TIMER1 10. WD 11. EXT TIMER + * 12. GPIO + * + * Known resets in EyeQ6H acc (type EQR_EYEQ5_ACRP): + * 1. XNN0 2. XNN1 3. XNN2 4. XNN3 + * 5. VMP0 6. VMP1 7. VMP2 8. VMP3 + * 9. PMA0 10. PMA1 11. MPC0 12. MPC1 + * 13. MPC2 14. MPC3 15. PERIPH + * + * Abbreviations: + * - PMA: Programmable Macro Array + * - MPC: Multi-threaded Processing Clusters + * - VMP: Vector Microcode Processors + * + * Copyright (C) 2024 Mobileye Vision Technologies Ltd. + */ + +#include <linux/array_size.h> +#include <linux/auxiliary_bus.h> +#include <linux/bitfield.h> +#include <linux/bits.h> +#include <linux/bug.h> +#include <linux/cleanup.h> +#include <linux/container_of.h> +#include <linux/device.h> +#include <linux/err.h> +#include <linux/errno.h> +#include <linux/init.h> +#include <linux/io.h> +#include <linux/iopoll.h> +#include <linux/lockdep.h> +#include <linux/mod_devicetable.h> +#include <linux/mutex.h> +#include <linux/of.h> +#include <linux/reset-controller.h> +#include <linux/slab.h> +#include <linux/types.h> + +/* + * A reset ID, as returned by eqr_of_xlate_*(), is a (domain, offset) pair. + * Low byte is domain, rest is offset. + */ +#define ID_DOMAIN_MASK GENMASK(7, 0) +#define ID_OFFSET_MASK GENMASK(31, 8) + +enum eqr_domain_type { + EQR_EYEQ5_SARCR, + EQR_EYEQ5_ACRP, + EQR_EYEQ5_PCIE, + EQR_EYEQ6H_SARCR, +}; + +/* + * Domain type EQR_EYEQ5_SARCR register offsets. + */ +#define EQR_EYEQ5_SARCR_REQUEST (0x000) +#define EQR_EYEQ5_SARCR_STATUS (0x004) + +/* + * Domain type EQR_EYEQ5_ACRP register masks. + * Registers are: base + 4 * offset. + */ +#define EQR_EYEQ5_ACRP_PD_REQ BIT(0) +#define EQR_EYEQ5_ACRP_ST_POWER_DOWN BIT(27) +#define EQR_EYEQ5_ACRP_ST_ACTIVE BIT(29) + +/* + * Domain type EQR_EYEQ6H_SARCR register offsets. + */ +#define EQR_EYEQ6H_SARCR_RST_REQUEST (0x000) +#define EQR_EYEQ6H_SARCR_CLK_STATUS (0x004) +#define EQR_EYEQ6H_SARCR_RST_STATUS (0x008) +#define EQR_EYEQ6H_SARCR_CLK_REQUEST (0x00C) + +struct eqr_busy_wait_timings { + unsigned long sleep_us; + unsigned long timeout_us; +}; + +static const struct eqr_busy_wait_timings eqr_timings[] = { + [EQR_EYEQ5_SARCR] = {1, 10}, + [EQR_EYEQ5_ACRP] = {1, 40 * USEC_PER_MSEC}, /* LBIST implies long timeout. */ + /* EQR_EYEQ5_PCIE does no busy waiting. */ + [EQR_EYEQ6H_SARCR] = {1, 400}, +}; + +#define EQR_MAX_DOMAIN_COUNT 3 + +struct eqr_domain_descriptor { + enum eqr_domain_type type; + u32 valid_mask; + unsigned int offset; +}; + +struct eqr_match_data { + unsigned int domain_count; + const struct eqr_domain_descriptor *domains; +}; + +struct eqr_private { + /* + * One mutex per domain for read-modify-write operations on registers. + * Some domains can be involved in LBIST which implies long critical + * sections; we wouldn't want other domains to be impacted by that. + */ + struct mutex mutexes[EQR_MAX_DOMAIN_COUNT]; + void __iomem *base; + const struct eqr_match_data *data; + struct reset_controller_dev rcdev; +}; + +static inline struct eqr_private *eqr_rcdev_to_priv(struct reset_controller_dev *x) +{ + return container_of(x, struct eqr_private, rcdev); +} + +static u32 eqr_double_readl(void __iomem *addr_a, void __iomem *addr_b, + u32 *dest_a, u32 *dest_b) +{ + *dest_a = readl(addr_a); + *dest_b = readl(addr_b); + return 0; /* read_poll_timeout() op argument must return something. */ +} + +static int eqr_busy_wait_locked(struct eqr_private *priv, struct device *dev, + u32 domain, u32 offset, bool assert) +{ + void __iomem *base = priv->base + priv->data->domains[domain].offset; + enum eqr_domain_type domain_type = priv->data->domains[domain].type; + unsigned long timeout_us = eqr_timings[domain_type].timeout_us; + unsigned long sleep_us = eqr_timings[domain_type].sleep_us; + u32 val, mask, rst_status, clk_status; + void __iomem *reg; + int ret; + + lockdep_assert_held(&priv->mutexes[domain]); + + switch (domain_type) { + case EQR_EYEQ5_SARCR: + reg = base + EQR_EYEQ5_SARCR_STATUS; + mask = BIT(offset); + + ret = readl_poll_timeout(reg, val, !(val & mask) == assert, + sleep_us, timeout_us); + break; + + case EQR_EYEQ5_ACRP: + reg = base + 4 * offset; + if (assert) + mask = EQR_EYEQ5_ACRP_ST_POWER_DOWN; + else + mask = EQR_EYEQ5_ACRP_ST_ACTIVE; + + ret = readl_poll_timeout(reg, val, !!(val & mask), + sleep_us, timeout_us); + break; + + case EQR_EYEQ5_PCIE: + ret = 0; /* No busy waiting. */ + break; + + case EQR_EYEQ6H_SARCR: + /* + * Wait until both bits change: + * readl(base + EQR_EYEQ6H_SARCR_RST_STATUS) & BIT(offset) + * readl(base + EQR_EYEQ6H_SARCR_CLK_STATUS) & BIT(offset) + */ + mask = BIT(offset); + ret = read_poll_timeout(eqr_double_readl, val, + (!(rst_status & mask) == assert) && + (!(clk_status & mask) == assert), + sleep_us, timeout_us, false, + base + EQR_EYEQ6H_SARCR_RST_STATUS, + base + EQR_EYEQ6H_SARCR_CLK_STATUS, + &rst_status, &clk_status); + break; + + default: + WARN_ON(1); + ret = -EINVAL; + break; + } + + if (ret == -ETIMEDOUT) + dev_dbg(dev, "%u-%u: timeout\n", domain, offset); + return ret; +} + +static void eqr_assert_locked(struct eqr_private *priv, u32 domain, u32 offset) +{ + enum eqr_domain_type domain_type = priv->data->domains[domain].type; + void __iomem *base, *reg; + u32 val; + + lockdep_assert_held(&priv->mutexes[domain]); + + base = priv->base + priv->data->domains[domain].offset; + + switch (domain_type) { + case EQR_EYEQ5_SARCR: + reg = base + EQR_EYEQ5_SARCR_REQUEST; + writel(readl(reg) & ~BIT(offset), reg); + break; + + case EQR_EYEQ5_ACRP: + reg = base + 4 * offset; + writel(readl(reg) | EQR_EYEQ5_ACRP_PD_REQ, reg); + break; + + case EQR_EYEQ5_PCIE: + writel(readl(base) & ~BIT(offset), base); + break; + + case EQR_EYEQ6H_SARCR: + /* RST_REQUEST and CLK_REQUEST must be kept in sync. */ + val = readl(base + EQR_EYEQ6H_SARCR_RST_REQUEST); + val &= ~BIT(offset); + writel(val, base + EQR_EYEQ6H_SARCR_RST_REQUEST); + writel(val, base + EQR_EYEQ6H_SARCR_CLK_REQUEST); + break; + + default: + WARN_ON(1); + break; + } +} + +static int eqr_assert(struct reset_controller_dev *rcdev, unsigned long id) +{ + struct eqr_private *priv = eqr_rcdev_to_priv(rcdev); + u32 domain = FIELD_GET(ID_DOMAIN_MASK, id); + u32 offset = FIELD_GET(ID_OFFSET_MASK, id); + + dev_dbg(rcdev->dev, "%u-%u: assert request\n", domain, offset); + + guard(mutex)(&priv->mutexes[domain]); + + eqr_assert_locked(priv, domain, offset); + return eqr_busy_wait_locked(priv, rcdev->dev, domain, offset, true); +} + +static void eqr_deassert_locked(struct eqr_private *priv, u32 domain, + u32 offset) +{ + enum eqr_domain_type domain_type = priv->data->domains[domain].type; + void __iomem *base, *reg; + u32 val; + + lockdep_assert_held(&priv->mutexes[domain]); + + base = priv->base + priv->data->domains[domain].offset; + + switch (domain_type) { + case EQR_EYEQ5_SARCR: + reg = base + EQR_EYEQ5_SARCR_REQUEST; + writel(readl(reg) | BIT(offset), reg); + break; + + case EQR_EYEQ5_ACRP: + reg = base + 4 * offset; + writel(readl(reg) & ~EQR_EYEQ5_ACRP_PD_REQ, reg); + break; + + case EQR_EYEQ5_PCIE: + writel(readl(base) | BIT(offset), base); + break; + + case EQR_EYEQ6H_SARCR: + /* RST_REQUEST and CLK_REQUEST must be kept in sync. */ + val = readl(base + EQR_EYEQ6H_SARCR_RST_REQUEST); + val |= BIT(offset); + writel(val, base + EQR_EYEQ6H_SARCR_RST_REQUEST); + writel(val, base + EQR_EYEQ6H_SARCR_CLK_REQUEST); + break; + + default: + WARN_ON(1); + break; + } +} + +static int eqr_deassert(struct reset_controller_dev *rcdev, unsigned long id) +{ + struct eqr_private *priv = eqr_rcdev_to_priv(rcdev); + u32 domain = FIELD_GET(ID_DOMAIN_MASK, id); + u32 offset = FIELD_GET(ID_OFFSET_MASK, id); + + dev_dbg(rcdev->dev, "%u-%u: deassert request\n", domain, offset); + + guard(mutex)(&priv->mutexes[domain]); + + eqr_deassert_locked(priv, domain, offset); + return eqr_busy_wait_locked(priv, rcdev->dev, domain, offset, false); +} + +static int eqr_status(struct reset_controller_dev *rcdev, unsigned long id) +{ + u32 domain = FIELD_GET(ID_DOMAIN_MASK, id); + u32 offset = FIELD_GET(ID_OFFSET_MASK, id); + struct eqr_private *priv = eqr_rcdev_to_priv(rcdev); + enum eqr_domain_type domain_type = priv->data->domains[domain].type; + void __iomem *base, *reg; + + dev_dbg(rcdev->dev, "%u-%u: status request\n", domain, offset); + + guard(mutex)(&priv->mutexes[domain]); + + base = priv->base + priv->data->domains[domain].offset; + + switch (domain_type) { + case EQR_EYEQ5_SARCR: + reg = base + EQR_EYEQ5_SARCR_STATUS; + return !(readl(reg) & BIT(offset)); + case EQR_EYEQ5_ACRP: + reg = base + 4 * offset; + return !(readl(reg) & EQR_EYEQ5_ACRP_ST_ACTIVE); + case EQR_EYEQ5_PCIE: + return !(readl(base) & BIT(offset)); + case EQR_EYEQ6H_SARCR: + reg = base + EQR_EYEQ6H_SARCR_RST_STATUS; + return !(readl(reg) & BIT(offset)); + default: + return -EINVAL; + } +} + +static const struct reset_control_ops eqr_ops = { + .assert = eqr_assert, + .deassert = eqr_deassert, + .status = eqr_status, +}; + +static int eqr_of_xlate_internal(struct reset_controller_dev *rcdev, + u32 domain, u32 offset) +{ + struct eqr_private *priv = eqr_rcdev_to_priv(rcdev); + + if (domain >= priv->data->domain_count || offset > 31 || + !(priv->data->domains[domain].valid_mask & BIT(offset))) { + dev_err(rcdev->dev, "%u-%u: invalid reset\n", domain, offset); + return -EINVAL; + } + + return FIELD_PREP(ID_DOMAIN_MASK, domain) | FIELD_PREP(ID_OFFSET_MASK, offset); +} + +static int eqr_of_xlate_onecell(struct reset_controller_dev *rcdev, + const struct of_phandle_args *reset_spec) +{ + return eqr_of_xlate_internal(rcdev, 0, reset_spec->args[0]); +} + +static int eqr_of_xlate_twocells(struct reset_controller_dev *rcdev, + const struct of_phandle_args *reset_spec) +{ + return eqr_of_xlate_internal(rcdev, reset_spec->args[0], reset_spec->args[1]); +} + +static int eqr_probe(struct auxiliary_device *adev, + const struct auxiliary_device_id *id) +{ + const struct of_device_id *match; + struct device *dev = &adev->dev; + struct eqr_private *priv; + unsigned int i; + int ret; + + /* + * We are an auxiliary device of clk-eyeq. We do not have an OF node by + * default; let's reuse our parent's OF node. + */ + WARN_ON(dev->of_node); + device_set_of_node_from_dev(dev, dev->parent); + if (!dev->of_node) + return -ENODEV; + + /* + * Using our newfound OF node, we can get match data. We cannot use + * device_get_match_data() because it does not match reused OF nodes. + */ + match = of_match_node(dev->driver->of_match_table, dev->of_node); + if (!match || !match->data) + return -ENODEV; + + priv = devm_kzalloc(dev, sizeof(*priv), GFP_KERNEL); + if (!priv) + return -ENOMEM; + + priv->data = match->data; + priv->base = (void __iomem *)dev_get_platdata(dev); + priv->rcdev.ops = &eqr_ops; + priv->rcdev.owner = THIS_MODULE; + priv->rcdev.dev = dev; + priv->rcdev.of_node = dev->of_node; + + if (priv->data->domain_count == 1) { + priv->rcdev.of_reset_n_cells = 1; + priv->rcdev.of_xlate = eqr_of_xlate_onecell; + } else { + priv->rcdev.of_reset_n_cells = 2; + priv->rcdev.of_xlate = eqr_of_xlate_twocells; + } + + for (i = 0; i < priv->data->domain_count; i++) + mutex_init(&priv->mutexes[i]); + + priv->rcdev.nr_resets = 0; + for (i = 0; i < priv->data->domain_count; i++) + priv->rcdev.nr_resets += hweight32(priv->data->domains[i].valid_mask); + + ret = devm_reset_controller_register(dev, &priv->rcdev); + if (ret) + return dev_err_probe(dev, ret, "failed registering reset controller\n"); + + return 0; +} + +static const struct eqr_domain_descriptor eqr_eyeq5_domains[] = { + { + .type = EQR_EYEQ5_SARCR, + .valid_mask = 0xFFFFFF8, + .offset = 0x004, + }, + { + .type = EQR_EYEQ5_ACRP, + .valid_mask = 0x0001FFF, + .offset = 0x200, + }, + { + .type = EQR_EYEQ5_PCIE, + .valid_mask = 0x007BFFF, + .offset = 0x120, + }, +}; + +static const struct eqr_match_data eqr_eyeq5_data = { + .domain_count = ARRAY_SIZE(eqr_eyeq5_domains), + .domains = eqr_eyeq5_domains, +}; + +static const struct eqr_domain_descriptor eqr_eyeq6l_domains[] = { + { + .type = EQR_EYEQ5_SARCR, + .valid_mask = 0x3FFF, + .offset = 0x004, + }, + { + .type = EQR_EYEQ5_ACRP, + .valid_mask = 0x00FF, + .offset = 0x200, + }, +}; + +static const struct eqr_match_data eqr_eyeq6l_data = { + .domain_count = ARRAY_SIZE(eqr_eyeq6l_domains), + .domains = eqr_eyeq6l_domains, +}; + +/* West and east OLBs each have an instance. */ +static const struct eqr_domain_descriptor eqr_eyeq6h_we_domains[] = { + { + .type = EQR_EYEQ6H_SARCR, + .valid_mask = 0x1F7F, + .offset = 0x004, + }, +}; + +static const struct eqr_match_data eqr_eyeq6h_we_data = { + .domain_count = ARRAY_SIZE(eqr_eyeq6h_we_domains), + .domains = eqr_eyeq6h_we_domains, +}; + +static const struct eqr_domain_descriptor eqr_eyeq6h_acc_domains[] = { + { + .type = EQR_EYEQ5_ACRP, + .valid_mask = 0x7FFF, + .offset = 0x000, + }, +}; + +static const struct eqr_match_data eqr_eyeq6h_acc_data = { + .domain_count = ARRAY_SIZE(eqr_eyeq6h_acc_domains), + .domains = eqr_eyeq6h_acc_domains, +}; + +/* + * Table describes OLB system-controller compatibles. + * It does not get used to match against devicetree node. + */ +static const struct of_device_id eqr_match_table[] = { + { .compatible = "mobileye,eyeq5-olb", .data = &eqr_eyeq5_data }, + { .compatible = "mobileye,eyeq6l-olb", .data = &eqr_eyeq6l_data }, + { .compatible = "mobileye,eyeq6h-west-olb", .data = &eqr_eyeq6h_we_data }, + { .compatible = "mobileye,eyeq6h-east-olb", .data = &eqr_eyeq6h_we_data }, + { .compatible = "mobileye,eyeq6h-acc-olb", .data = &eqr_eyeq6h_acc_data }, + {} +}; +MODULE_DEVICE_TABLE(of, eqr_match_table); + +static const struct auxiliary_device_id eqr_id_table[] = { + { .name = "clk_eyeq.reset" }, + { .name = "clk_eyeq.reset_west" }, + { .name = "clk_eyeq.reset_east" }, + { .name = "clk_eyeq.reset_acc" }, + {} +}; +MODULE_DEVICE_TABLE(auxiliary, eqr_id_table); + +static struct auxiliary_driver eqr_driver = { + .probe = eqr_probe, + .id_table = eqr_id_table, + .driver = { + .of_match_table = eqr_match_table, + } +}; +module_auxiliary_driver(eqr_driver); diff --git a/drivers/reset/reset-k210.c b/drivers/reset/reset-k210.c index b62a2fd44e4e..e77e4cca377d 100644 --- a/drivers/reset/reset-k210.c +++ b/drivers/reset/reset-k210.c @@ -90,7 +90,7 @@ static const struct reset_control_ops k210_rst_ops = { static int k210_rst_probe(struct platform_device *pdev) { struct device *dev = &pdev->dev; - struct device_node *parent_np = of_get_parent(dev->of_node); + struct device_node *parent_np; struct k210_rst *ksr; dev_info(dev, "K210 reset controller\n"); @@ -99,6 +99,7 @@ static int k210_rst_probe(struct platform_device *pdev) if (!ksr) return -ENOMEM; + parent_np = of_get_parent(dev->of_node); ksr->map = syscon_node_to_regmap(parent_np); of_node_put(parent_np); if (IS_ERR(ksr->map)) diff --git a/drivers/reset/reset-lpc18xx.c b/drivers/reset/reset-lpc18xx.c index 28fb85772b3e..e42b2f24a93d 100644 --- a/drivers/reset/reset-lpc18xx.c +++ b/drivers/reset/reset-lpc18xx.c @@ -150,29 +150,15 @@ static int lpc18xx_rgu_probe(struct platform_device *pdev) if (IS_ERR(rc->base)) return PTR_ERR(rc->base); - rc->clk_reg = devm_clk_get(&pdev->dev, "reg"); - if (IS_ERR(rc->clk_reg)) { - dev_err(&pdev->dev, "reg clock not found\n"); - return PTR_ERR(rc->clk_reg); - } - - rc->clk_delay = devm_clk_get(&pdev->dev, "delay"); - if (IS_ERR(rc->clk_delay)) { - dev_err(&pdev->dev, "delay clock not found\n"); - return PTR_ERR(rc->clk_delay); - } - - ret = clk_prepare_enable(rc->clk_reg); - if (ret) { - dev_err(&pdev->dev, "unable to enable reg clock\n"); - return ret; - } + rc->clk_reg = devm_clk_get_enabled(&pdev->dev, "reg"); + if (IS_ERR(rc->clk_reg)) + return dev_err_probe(&pdev->dev, PTR_ERR(rc->clk_reg), + "reg clock not found\n"); - ret = clk_prepare_enable(rc->clk_delay); - if (ret) { - dev_err(&pdev->dev, "unable to enable delay clock\n"); - goto dis_clk_reg; - } + rc->clk_delay = devm_clk_get_enabled(&pdev->dev, "delay"); + if (IS_ERR(rc->clk_delay)) + return dev_err_probe(&pdev->dev, PTR_ERR(rc->clk_delay), + "delay clock not found\n"); fcclk = clk_get_rate(rc->clk_reg) / USEC_PER_SEC; firc = clk_get_rate(rc->clk_delay) / USEC_PER_SEC; @@ -189,10 +175,8 @@ static int lpc18xx_rgu_probe(struct platform_device *pdev) rc->rcdev.of_node = pdev->dev.of_node; ret = reset_controller_register(&rc->rcdev); - if (ret) { - dev_err(&pdev->dev, "unable to register device\n"); - goto dis_clks; - } + if (ret) + return dev_err_probe(&pdev->dev, ret, "unable to register device\n"); rc->restart_nb.priority = 192, rc->restart_nb.notifier_call = lpc18xx_rgu_restart, @@ -201,13 +185,6 @@ static int lpc18xx_rgu_probe(struct platform_device *pdev) dev_warn(&pdev->dev, "failed to register restart handler\n"); return 0; - -dis_clks: - clk_disable_unprepare(rc->clk_delay); -dis_clk_reg: - clk_disable_unprepare(rc->clk_reg); - - return ret; } static const struct of_device_id lpc18xx_rgu_match[] = { diff --git a/drivers/reset/reset-meson.c b/drivers/reset/reset-meson.c index f78be97898bc..1e9fca3e30e8 100644 --- a/drivers/reset/reset-meson.c +++ b/drivers/reset/reset-meson.c @@ -102,6 +102,11 @@ static const struct meson_reset_param meson_s4_param = { .level_offset = 0x40, }; +static const struct meson_reset_param t7_param = { + .reg_count = 7, + .level_offset = 0x40, +}; + static const struct of_device_id meson_reset_dt_ids[] = { { .compatible = "amlogic,meson8b-reset", .data = &meson8b_param}, { .compatible = "amlogic,meson-gxbb-reset", .data = &meson8b_param}, @@ -109,6 +114,7 @@ static const struct of_device_id meson_reset_dt_ids[] = { { .compatible = "amlogic,meson-a1-reset", .data = &meson_a1_param}, { .compatible = "amlogic,meson-s4-reset", .data = &meson_s4_param}, { .compatible = "amlogic,c3-reset", .data = &meson_s4_param}, + { .compatible = "amlogic,t7-reset", .data = &t7_param}, { /* sentinel */ }, }; MODULE_DEVICE_TABLE(of, meson_reset_dt_ids); diff --git a/drivers/rtc/Kconfig b/drivers/rtc/Kconfig index 2a95b05982ad..e87c3d74565c 100644 --- a/drivers/rtc/Kconfig +++ b/drivers/rtc/Kconfig @@ -1827,6 +1827,17 @@ config RTC_DRV_BBNSM This driver can also be built as a module, if so, the module will be called "rtc-bbnsm". +config RTC_DRV_IMX_BBM_SCMI + depends on IMX_SCMI_BBM_EXT || COMPILE_TEST + default y if ARCH_MXC + tristate "NXP i.MX BBM SCMI RTC support" + help + If you say yes here you get support for the NXP i.MX BBSM SCMI + RTC module. + + To compile this driver as a module, choose M here: the + module will be called rtc-imx-sm-bbm. + config RTC_DRV_IMX_SC depends on IMX_SCU depends on HAVE_ARM_SMCCC diff --git a/drivers/rtc/Makefile b/drivers/rtc/Makefile index 3004e372f25f..8ee79cb18322 100644 --- a/drivers/rtc/Makefile +++ b/drivers/rtc/Makefile @@ -74,6 +74,7 @@ obj-$(CONFIG_RTC_DRV_HID_SENSOR_TIME) += rtc-hid-sensor-time.o obj-$(CONFIG_RTC_DRV_HYM8563) += rtc-hym8563.o obj-$(CONFIG_RTC_DRV_IMXDI) += rtc-imxdi.o obj-$(CONFIG_RTC_DRV_IMX_SC) += rtc-imx-sc.o +obj-$(CONFIG_RTC_DRV_IMX_BBM_SCMI) += rtc-imx-sm-bbm.o obj-$(CONFIG_RTC_DRV_ISL12022) += rtc-isl12022.o obj-$(CONFIG_RTC_DRV_ISL12026) += rtc-isl12026.o obj-$(CONFIG_RTC_DRV_ISL1208) += rtc-isl1208.o diff --git a/drivers/rtc/rtc-imx-sm-bbm.c b/drivers/rtc/rtc-imx-sm-bbm.c new file mode 100644 index 000000000000..daa472be7c80 --- /dev/null +++ b/drivers/rtc/rtc-imx-sm-bbm.c @@ -0,0 +1,162 @@ +// SPDX-License-Identifier: GPL-2.0+ +/* + * Copyright 2024 NXP. + */ + +#include <linux/jiffies.h> +#include <linux/module.h> +#include <linux/platform_device.h> +#include <linux/rtc.h> +#include <linux/scmi_protocol.h> +#include <linux/scmi_imx_protocol.h> + +struct scmi_imx_bbm { + const struct scmi_imx_bbm_proto_ops *ops; + struct rtc_device *rtc_dev; + struct scmi_protocol_handle *ph; + struct notifier_block nb; +}; + +static int scmi_imx_bbm_read_time(struct device *dev, struct rtc_time *tm) +{ + struct scmi_imx_bbm *bbnsm = dev_get_drvdata(dev); + struct scmi_protocol_handle *ph = bbnsm->ph; + u64 val; + int ret; + + ret = bbnsm->ops->rtc_time_get(ph, 0, &val); + if (ret) + return ret; + + rtc_time64_to_tm(val, tm); + + return 0; +} + +static int scmi_imx_bbm_set_time(struct device *dev, struct rtc_time *tm) +{ + struct scmi_imx_bbm *bbnsm = dev_get_drvdata(dev); + struct scmi_protocol_handle *ph = bbnsm->ph; + u64 val; + + val = rtc_tm_to_time64(tm); + + return bbnsm->ops->rtc_time_set(ph, 0, val); +} + +static int scmi_imx_bbm_alarm_irq_enable(struct device *dev, unsigned int enable) +{ + struct scmi_imx_bbm *bbnsm = dev_get_drvdata(dev); + struct scmi_protocol_handle *ph = bbnsm->ph; + + /* scmi_imx_bbm_set_alarm enables the irq, just handle disable here */ + if (!enable) + return bbnsm->ops->rtc_alarm_set(ph, 0, false, 0); + + return 0; +} + +static int scmi_imx_bbm_set_alarm(struct device *dev, struct rtc_wkalrm *alrm) +{ + struct scmi_imx_bbm *bbnsm = dev_get_drvdata(dev); + struct scmi_protocol_handle *ph = bbnsm->ph; + struct rtc_time *alrm_tm = &alrm->time; + u64 val; + + val = rtc_tm_to_time64(alrm_tm); + + return bbnsm->ops->rtc_alarm_set(ph, 0, true, val); +} + +static const struct rtc_class_ops smci_imx_bbm_rtc_ops = { + .read_time = scmi_imx_bbm_read_time, + .set_time = scmi_imx_bbm_set_time, + .set_alarm = scmi_imx_bbm_set_alarm, + .alarm_irq_enable = scmi_imx_bbm_alarm_irq_enable, +}; + +static int scmi_imx_bbm_rtc_notifier(struct notifier_block *nb, unsigned long event, void *data) +{ + struct scmi_imx_bbm *bbnsm = container_of(nb, struct scmi_imx_bbm, nb); + struct scmi_imx_bbm_notif_report *r = data; + + if (r->is_rtc) + rtc_update_irq(bbnsm->rtc_dev, 1, RTC_AF | RTC_IRQF); + else + pr_err("Unexpected bbm event: %s\n", __func__); + + return 0; +} + +static int scmi_imx_bbm_rtc_init(struct scmi_device *sdev) +{ + const struct scmi_handle *handle = sdev->handle; + struct device *dev = &sdev->dev; + struct scmi_imx_bbm *bbnsm = dev_get_drvdata(dev); + int ret; + + bbnsm->rtc_dev = devm_rtc_allocate_device(dev); + if (IS_ERR(bbnsm->rtc_dev)) + return PTR_ERR(bbnsm->rtc_dev); + + bbnsm->rtc_dev->ops = &smci_imx_bbm_rtc_ops; + bbnsm->rtc_dev->range_max = U32_MAX; + + bbnsm->nb.notifier_call = &scmi_imx_bbm_rtc_notifier; + ret = handle->notify_ops->devm_event_notifier_register(sdev, SCMI_PROTOCOL_IMX_BBM, + SCMI_EVENT_IMX_BBM_RTC, + NULL, &bbnsm->nb); + if (ret) + return ret; + + return devm_rtc_register_device(bbnsm->rtc_dev); +} + +static int scmi_imx_bbm_rtc_probe(struct scmi_device *sdev) +{ + const struct scmi_handle *handle = sdev->handle; + struct device *dev = &sdev->dev; + struct scmi_protocol_handle *ph; + struct scmi_imx_bbm *bbnsm; + int ret; + + if (!handle) + return -ENODEV; + + bbnsm = devm_kzalloc(dev, sizeof(*bbnsm), GFP_KERNEL); + if (!bbnsm) + return -ENOMEM; + + bbnsm->ops = handle->devm_protocol_get(sdev, SCMI_PROTOCOL_IMX_BBM, &ph); + if (IS_ERR(bbnsm->ops)) + return PTR_ERR(bbnsm->ops); + + bbnsm->ph = ph; + + device_init_wakeup(dev, true); + + dev_set_drvdata(dev, bbnsm); + + ret = scmi_imx_bbm_rtc_init(sdev); + if (ret) + device_init_wakeup(dev, false); + + return ret; +} + +static const struct scmi_device_id scmi_id_table[] = { + { SCMI_PROTOCOL_IMX_BBM, "imx-bbm-rtc" }, + { }, +}; +MODULE_DEVICE_TABLE(scmi, scmi_id_table); + +static struct scmi_driver scmi_imx_bbm_rtc_driver = { + .name = "scmi-imx-bbm-rtc", + .probe = scmi_imx_bbm_rtc_probe, + .id_table = scmi_id_table, +}; +module_scmi_driver(scmi_imx_bbm_rtc_driver); + +MODULE_AUTHOR("Peng Fan <peng.fan@nxp.com>"); +MODULE_DESCRIPTION("IMX SM BBM RTC driver"); +MODULE_LICENSE("GPL"); diff --git a/drivers/soc/Makefile b/drivers/soc/Makefile index fb2bd31387d0..56f476a12847 100644 --- a/drivers/soc/Makefile +++ b/drivers/soc/Makefile @@ -32,5 +32,5 @@ obj-y += sunxi/ obj-$(CONFIG_ARCH_TEGRA) += tegra/ obj-y += ti/ obj-$(CONFIG_ARCH_U8500) += ux500/ -obj-$(CONFIG_PLAT_VERSATILE) += versatile/ +obj-y += versatile/ obj-y += xilinx/ diff --git a/drivers/soc/amlogic/meson-gx-socinfo.c b/drivers/soc/amlogic/meson-gx-socinfo.c index 8809a948201a..7549f1644e5e 100644 --- a/drivers/soc/amlogic/meson-gx-socinfo.c +++ b/drivers/soc/amlogic/meson-gx-socinfo.c @@ -41,6 +41,11 @@ static const struct meson_gx_soc_id { { "G12B", 0x29 }, { "SM1", 0x2b }, { "A1", 0x2c }, + { "T7", 0x36 }, + { "S4", 0x37 }, + { "A5", 0x3c }, + { "C3", 0x3d }, + { "A4", 0x40 }, }; static const struct meson_gx_package_id { @@ -76,6 +81,11 @@ static const struct meson_gx_package_id { { "S905X3", 0x2b, 0x10, 0x3f }, { "S905D3", 0x2b, 0x30, 0x3f }, { "A113L", 0x2c, 0x0, 0xf8 }, + { "S805X2", 0x37, 0x2, 0xf }, + { "C308L", 0x3d, 0x1, 0xf }, + { "A311D2", 0x36, 0x1, 0xf }, + { "A113X2", 0x3c, 0x1, 0xf }, + { "A113L2", 0x40, 0x1, 0xf }, }; static inline unsigned int socinfo_to_major(u32 socinfo) diff --git a/drivers/soc/atmel/soc.c b/drivers/soc/atmel/soc.c index cc9a3e107479..2a42b28931c9 100644 --- a/drivers/soc/atmel/soc.c +++ b/drivers/soc/atmel/soc.c @@ -101,6 +101,29 @@ static const struct at91_soc socs[] __initconst = { AT91_CIDR_VERSION_MASK, SAM9X60_D6K_EXID_MATCH, "sam9x60 8MiB SDRAM SiP", "sam9x60"), #endif +#ifdef CONFIG_SOC_SAM9X7 + AT91_SOC(SAM9X7_CIDR_MATCH, AT91_CIDR_MATCH_MASK, + AT91_CIDR_VERSION_MASK, SAM9X70_EXID_MATCH, + "sam9x70", "sam9x7"), + AT91_SOC(SAM9X7_CIDR_MATCH, AT91_CIDR_MATCH_MASK, + AT91_CIDR_VERSION_MASK, SAM9X72_EXID_MATCH, + "sam9x72", "sam9x7"), + AT91_SOC(SAM9X7_CIDR_MATCH, AT91_CIDR_MATCH_MASK, + AT91_CIDR_VERSION_MASK, SAM9X75_EXID_MATCH, + "sam9x75", "sam9x7"), + AT91_SOC(SAM9X7_CIDR_MATCH, SAM9X75_D1M_EXID_MATCH, + AT91_CIDR_VERSION_MASK, SAM9X75_EXID_MATCH, + "sam9x75 16MB DDR2 SiP", "sam9x7"), + AT91_SOC(SAM9X7_CIDR_MATCH, SAM9X75_D5M_EXID_MATCH, + AT91_CIDR_VERSION_MASK, SAM9X75_EXID_MATCH, + "sam9x75 64MB DDR2 SiP", "sam9x7"), + AT91_SOC(SAM9X7_CIDR_MATCH, SAM9X75_D1G_EXID_MATCH, + AT91_CIDR_VERSION_MASK, SAM9X75_EXID_MATCH, + "sam9x75 125MB DDR3L SiP ", "sam9x7"), + AT91_SOC(SAM9X7_CIDR_MATCH, SAM9X75_D2G_EXID_MATCH, + AT91_CIDR_VERSION_MASK, SAM9X75_EXID_MATCH, + "sam9x75 250MB DDR3L SiP", "sam9x7"), +#endif #ifdef CONFIG_SOC_SAMA5 AT91_SOC(SAMA5D2_CIDR_MATCH, AT91_CIDR_MATCH_MASK, AT91_CIDR_VERSION_MASK, SAMA5D21CU_EXID_MATCH, diff --git a/drivers/soc/atmel/soc.h b/drivers/soc/atmel/soc.h index 7a9f47ce85fb..2c78e54255f7 100644 --- a/drivers/soc/atmel/soc.h +++ b/drivers/soc/atmel/soc.h @@ -44,6 +44,7 @@ at91_soc_init(const struct at91_soc *socs); #define AT91SAM9X5_CIDR_MATCH 0x019a05a0 #define AT91SAM9N12_CIDR_MATCH 0x019a07a0 #define SAM9X60_CIDR_MATCH 0x019b35a0 +#define SAM9X7_CIDR_MATCH 0x09750020 #define SAMA7G5_CIDR_MATCH 0x00162100 #define AT91SAM9M11_EXID_MATCH 0x00000001 @@ -66,6 +67,14 @@ at91_soc_init(const struct at91_soc *socs); #define SAM9X60_D1G_EXID_MATCH 0x00000010 #define SAM9X60_D6K_EXID_MATCH 0x00000011 +#define SAM9X70_EXID_MATCH 0x00000005 +#define SAM9X72_EXID_MATCH 0x00000004 +#define SAM9X75_D1G_EXID_MATCH 0x00000018 +#define SAM9X75_D2G_EXID_MATCH 0x00000020 +#define SAM9X75_D1M_EXID_MATCH 0x00000003 +#define SAM9X75_D5M_EXID_MATCH 0x00000010 +#define SAM9X75_EXID_MATCH 0x00000000 + #define SAMA7G51_EXID_MATCH 0x3 #define SAMA7G52_EXID_MATCH 0x2 #define SAMA7G53_EXID_MATCH 0x1 diff --git a/drivers/soc/fsl/qbman/qman_ccsr.c b/drivers/soc/fsl/qbman/qman_ccsr.c index 392e54f14dbe..aa5348f4902f 100644 --- a/drivers/soc/fsl/qbman/qman_ccsr.c +++ b/drivers/soc/fsl/qbman/qman_ccsr.c @@ -791,8 +791,6 @@ static int fsl_qman_probe(struct platform_device *pdev) * FQD memory MUST be zero'd by software */ zero_priv_mem(fqd_a, fqd_sz); -#else - WARN(1, "Unexpected architecture using non shared-dma-mem reservations"); #endif dev_dbg(dev, "Allocated FQD 0x%llx 0x%zx\n", fqd_a, fqd_sz); diff --git a/drivers/soc/fsl/qbman/qman_portal.c b/drivers/soc/fsl/qbman/qman_portal.c index e23b60618c1a..456ef5d5c199 100644 --- a/drivers/soc/fsl/qbman/qman_portal.c +++ b/drivers/soc/fsl/qbman/qman_portal.c @@ -48,9 +48,10 @@ static void portal_set_cpu(struct qm_portal_config *pcfg, int cpu) struct device *dev = pcfg->dev; int ret; - pcfg->iommu_domain = iommu_domain_alloc(&platform_bus_type); - if (!pcfg->iommu_domain) { + pcfg->iommu_domain = iommu_paging_domain_alloc(dev); + if (IS_ERR(pcfg->iommu_domain)) { dev_err(dev, "%s(): iommu_domain_alloc() failed", __func__); + pcfg->iommu_domain = NULL; goto no_iommu; } ret = fsl_pamu_configure_l1_stash(pcfg->iommu_domain, cpu); diff --git a/drivers/soc/fsl/qe/Kconfig b/drivers/soc/fsl/qe/Kconfig index fa9ffbed0e92..eb03f42ab978 100644 --- a/drivers/soc/fsl/qe/Kconfig +++ b/drivers/soc/fsl/qe/Kconfig @@ -17,7 +17,7 @@ config QUICC_ENGINE config UCC_SLOW bool - default y if SERIAL_QE + default y if SERIAL_QE || (CPM_QMC && QUICC_ENGINE) help This option provides qe_lib support to UCC slow protocols: UART, BISYNC, QMC @@ -31,26 +31,27 @@ config UCC_FAST config UCC bool - default y if UCC_FAST || UCC_SLOW + default y if UCC_FAST || UCC_SLOW || (CPM_TSA && QUICC_ENGINE) config CPM_TSA - tristate "CPM TSA support" + tristate "CPM/QE TSA support" depends on OF && HAS_IOMEM - depends on CPM1 || (CPM && COMPILE_TEST) + depends on CPM1 || QUICC_ENGINE || \ + ((CPM || QUICC_ENGINE) && COMPILE_TEST) help - Freescale CPM Time Slot Assigner (TSA) + Freescale CPM/QE Time Slot Assigner (TSA) controller. This option enables support for this controller config CPM_QMC - tristate "CPM QMC support" + tristate "CPM/QE QMC support" depends on OF && HAS_IOMEM - depends on CPM1 || (FSL_SOC && CPM && COMPILE_TEST) + depends on FSL_SOC depends on CPM_TSA help - Freescale CPM QUICC Multichannel Controller + Freescale CPM/QE QUICC Multichannel Controller (QMC) This option enables support for this diff --git a/drivers/soc/fsl/qe/qe_common.c b/drivers/soc/fsl/qe/qe_common.c index a877347d37d3..02c29f5f86d3 100644 --- a/drivers/soc/fsl/qe/qe_common.c +++ b/drivers/soc/fsl/qe/qe_common.c @@ -13,6 +13,7 @@ * 2006 (c) MontaVista Software, Inc. * Vitaly Bordug <vbordug@ru.mvista.com> */ +#include <linux/device.h> #include <linux/genalloc.h> #include <linux/init.h> #include <linux/list.h> @@ -187,6 +188,49 @@ void cpm_muram_free(s32 offset) } EXPORT_SYMBOL(cpm_muram_free); +static void devm_cpm_muram_release(struct device *dev, void *res) +{ + s32 *info = res; + + cpm_muram_free(*info); +} + +/** + * devm_cpm_muram_alloc - Resource-managed cpm_muram_alloc + * @dev: Device to allocate memory for + * @size: number of bytes to allocate + * @align: requested alignment, in bytes + * + * This function returns a non-negative offset into the muram area, or + * a negative errno on failure as cpm_muram_alloc() does. + * Use cpm_muram_addr() to get the virtual address of the area. + * + * Compare against cpm_muram_alloc(), the memory allocated by this + * resource-managed version is automatically freed on driver detach and so, + * cpm_muram_free() must not be called to release the allocated memory. + */ +s32 devm_cpm_muram_alloc(struct device *dev, unsigned long size, + unsigned long align) +{ + s32 info; + s32 *dr; + + dr = devres_alloc(devm_cpm_muram_release, sizeof(*dr), GFP_KERNEL); + if (!dr) + return -ENOMEM; + + info = cpm_muram_alloc(size, align); + if (info >= 0) { + *dr = info; + devres_add(dev, dr); + } else { + devres_free(dr); + } + + return info; +} +EXPORT_SYMBOL(devm_cpm_muram_alloc); + /* * cpm_muram_alloc_fixed - reserve a specific region of multi-user ram * @offset: offset of allocation start address @@ -212,6 +256,42 @@ s32 cpm_muram_alloc_fixed(unsigned long offset, unsigned long size) EXPORT_SYMBOL(cpm_muram_alloc_fixed); /** + * devm_cpm_muram_alloc_fixed - Resource-managed cpm_muram_alloc_fixed + * @dev: Device to allocate memory for + * @offset: offset of allocation start address + * @size: number of bytes to allocate + * + * This function returns a non-negative offset into the muram area, or + * a negative errno on failure as cpm_muram_alloc_fixed() does. + * Use cpm_muram_addr() to get the virtual address of the area. + * + * Compare against cpm_muram_alloc_fixed(), the memory allocated by this + * resource-managed version is automatically freed on driver detach and so, + * cpm_muram_free() must not be called to release the allocated memory. + */ +s32 devm_cpm_muram_alloc_fixed(struct device *dev, unsigned long offset, + unsigned long size) +{ + s32 info; + s32 *dr; + + dr = devres_alloc(devm_cpm_muram_release, sizeof(*dr), GFP_KERNEL); + if (!dr) + return -ENOMEM; + + info = cpm_muram_alloc_fixed(offset, size); + if (info >= 0) { + *dr = info; + devres_add(dev, dr); + } else { + devres_free(dr); + } + + return info; +} +EXPORT_SYMBOL(devm_cpm_muram_alloc_fixed); + +/** * cpm_muram_addr - turn a muram offset into a virtual address * @offset: muram offset to convert */ diff --git a/drivers/soc/fsl/qe/qmc.c b/drivers/soc/fsl/qe/qmc.c index 76bb496305a0..3dffebb48b0d 100644 --- a/drivers/soc/fsl/qe/qmc.c +++ b/drivers/soc/fsl/qe/qmc.c @@ -8,7 +8,9 @@ */ #include <soc/fsl/qe/qmc.h> +#include <linux/bitfield.h> #include <linux/dma-mapping.h> +#include <linux/firmware.h> #include <linux/hdlc.h> #include <linux/interrupt.h> #include <linux/io.h> @@ -18,31 +20,41 @@ #include <linux/platform_device.h> #include <linux/slab.h> #include <soc/fsl/cpm.h> +#include <soc/fsl/qe/ucc_slow.h> +#include <soc/fsl/qe/qe.h> #include <sysdev/fsl_soc.h> #include "tsa.h" -/* SCC general mode register high (32 bits) */ +/* SCC general mode register low (32 bits) (GUMR_L in QE) */ #define SCC_GSMRL 0x00 -#define SCC_GSMRL_ENR (1 << 5) -#define SCC_GSMRL_ENT (1 << 4) -#define SCC_GSMRL_MODE_QMC (0x0A << 0) +#define SCC_GSMRL_ENR BIT(5) +#define SCC_GSMRL_ENT BIT(4) +#define SCC_GSMRL_MODE_MASK GENMASK(3, 0) +#define SCC_CPM1_GSMRL_MODE_QMC FIELD_PREP_CONST(SCC_GSMRL_MODE_MASK, 0x0A) +#define SCC_QE_GSMRL_MODE_QMC FIELD_PREP_CONST(SCC_GSMRL_MODE_MASK, 0x02) -/* SCC general mode register low (32 bits) */ +/* SCC general mode register high (32 bits) (identical to GUMR_H in QE) */ #define SCC_GSMRH 0x04 -#define SCC_GSMRH_CTSS (1 << 7) -#define SCC_GSMRH_CDS (1 << 8) -#define SCC_GSMRH_CTSP (1 << 9) -#define SCC_GSMRH_CDP (1 << 10) - -/* SCC event register (16 bits) */ +#define SCC_GSMRH_CTSS BIT(7) +#define SCC_GSMRH_CDS BIT(8) +#define SCC_GSMRH_CTSP BIT(9) +#define SCC_GSMRH_CDP BIT(10) +#define SCC_GSMRH_TTX BIT(11) +#define SCC_GSMRH_TRX BIT(12) + +/* SCC event register (16 bits) (identical to UCCE in QE) */ #define SCC_SCCE 0x10 -#define SCC_SCCE_IQOV (1 << 3) -#define SCC_SCCE_GINT (1 << 2) -#define SCC_SCCE_GUN (1 << 1) -#define SCC_SCCE_GOV (1 << 0) +#define SCC_SCCE_IQOV BIT(3) +#define SCC_SCCE_GINT BIT(2) +#define SCC_SCCE_GUN BIT(1) +#define SCC_SCCE_GOV BIT(0) /* SCC mask register (16 bits) */ #define SCC_SCCM 0x14 + +/* UCC Extended Mode Register (8 bits, QE only) */ +#define SCC_QE_UCC_GUEMR 0x90 + /* Multichannel base pointer (32 bits) */ #define QMC_GBL_MCBASE 0x00 /* Multichannel controller state (16 bits) */ @@ -73,27 +85,42 @@ #define QMC_GBL_TSATTX 0x60 /* CRC constant (16 bits) */ #define QMC_GBL_C_MASK16 0xA0 +/* Rx framer base pointer (16 bits, QE only) */ +#define QMC_QE_GBL_RX_FRM_BASE 0xAC +/* Tx framer base pointer (16 bits, QE only) */ +#define QMC_QE_GBL_TX_FRM_BASE 0xAE +/* A reserved area (0xB0 -> 0xC3) that must be initialized to 0 (QE only) */ +#define QMC_QE_GBL_RSV_B0_START 0xB0 +#define QMC_QE_GBL_RSV_B0_SIZE 0x14 +/* QMC Global Channel specific base (32 bits, QE only) */ +#define QMC_QE_GBL_GCSBASE 0xC4 /* TSA entry (16bit entry in TSATRX and TSATTX) */ -#define QMC_TSA_VALID (1 << 15) -#define QMC_TSA_WRAP (1 << 14) -#define QMC_TSA_MASK (0x303F) -#define QMC_TSA_CHANNEL(x) ((x) << 6) +#define QMC_TSA_VALID BIT(15) +#define QMC_TSA_WRAP BIT(14) +#define QMC_TSA_MASK_MASKH GENMASK(13, 12) +#define QMC_TSA_MASK_MASKL GENMASK(5, 0) +#define QMC_TSA_MASK_8BIT (FIELD_PREP_CONST(QMC_TSA_MASK_MASKH, 0x3) | \ + FIELD_PREP_CONST(QMC_TSA_MASK_MASKL, 0x3F)) +#define QMC_TSA_CHANNEL_MASK GENMASK(11, 6) +#define QMC_TSA_CHANNEL(x) FIELD_PREP(QMC_TSA_CHANNEL_MASK, x) /* Tx buffer descriptor base address (16 bits, offset from MCBASE) */ #define QMC_SPE_TBASE 0x00 /* Channel mode register (16 bits) */ #define QMC_SPE_CHAMR 0x02 -#define QMC_SPE_CHAMR_MODE_HDLC (1 << 15) -#define QMC_SPE_CHAMR_MODE_TRANSP ((0 << 15) | (1 << 13)) -#define QMC_SPE_CHAMR_ENT (1 << 12) -#define QMC_SPE_CHAMR_POL (1 << 8) -#define QMC_SPE_CHAMR_HDLC_IDLM (1 << 13) -#define QMC_SPE_CHAMR_HDLC_CRC (1 << 7) -#define QMC_SPE_CHAMR_HDLC_NOF (0x0f << 0) -#define QMC_SPE_CHAMR_TRANSP_RD (1 << 14) -#define QMC_SPE_CHAMR_TRANSP_SYNC (1 << 10) +#define QMC_SPE_CHAMR_MODE_MASK GENMASK(15, 15) +#define QMC_SPE_CHAMR_MODE_HDLC FIELD_PREP_CONST(QMC_SPE_CHAMR_MODE_MASK, 1) +#define QMC_SPE_CHAMR_MODE_TRANSP (FIELD_PREP_CONST(QMC_SPE_CHAMR_MODE_MASK, 0) | BIT(13)) +#define QMC_SPE_CHAMR_ENT BIT(12) +#define QMC_SPE_CHAMR_POL BIT(8) +#define QMC_SPE_CHAMR_HDLC_IDLM BIT(13) +#define QMC_SPE_CHAMR_HDLC_CRC BIT(7) +#define QMC_SPE_CHAMR_HDLC_NOF_MASK GENMASK(3, 0) +#define QMC_SPE_CHAMR_HDLC_NOF(x) FIELD_PREP(QMC_SPE_CHAMR_HDLC_NOF_MASK, x) +#define QMC_SPE_CHAMR_TRANSP_RD BIT(14) +#define QMC_SPE_CHAMR_TRANSP_SYNC BIT(10) /* Tx internal state (32 bits) */ #define QMC_SPE_TSTATE 0x04 @@ -120,43 +147,47 @@ /* Transparent synchronization (16 bits) */ #define QMC_SPE_TRNSYNC 0x3C -#define QMC_SPE_TRNSYNC_RX(x) ((x) << 8) -#define QMC_SPE_TRNSYNC_TX(x) ((x) << 0) +#define QMC_SPE_TRNSYNC_RX_MASK GENMASK(15, 8) +#define QMC_SPE_TRNSYNC_RX(x) FIELD_PREP(QMC_SPE_TRNSYNC_RX_MASK, x) +#define QMC_SPE_TRNSYNC_TX_MASK GENMASK(7, 0) +#define QMC_SPE_TRNSYNC_TX(x) FIELD_PREP(QMC_SPE_TRNSYNC_TX_MASK, x) /* Interrupt related registers bits */ -#define QMC_INT_V (1 << 15) -#define QMC_INT_W (1 << 14) -#define QMC_INT_NID (1 << 13) -#define QMC_INT_IDL (1 << 12) -#define QMC_INT_GET_CHANNEL(x) (((x) & 0x0FC0) >> 6) -#define QMC_INT_MRF (1 << 5) -#define QMC_INT_UN (1 << 4) -#define QMC_INT_RXF (1 << 3) -#define QMC_INT_BSY (1 << 2) -#define QMC_INT_TXB (1 << 1) -#define QMC_INT_RXB (1 << 0) +#define QMC_INT_V BIT(15) +#define QMC_INT_W BIT(14) +#define QMC_INT_NID BIT(13) +#define QMC_INT_IDL BIT(12) +#define QMC_INT_CHANNEL_MASK GENMASK(11, 6) +#define QMC_INT_GET_CHANNEL(x) FIELD_GET(QMC_INT_CHANNEL_MASK, x) +#define QMC_INT_MRF BIT(5) +#define QMC_INT_UN BIT(4) +#define QMC_INT_RXF BIT(3) +#define QMC_INT_BSY BIT(2) +#define QMC_INT_TXB BIT(1) +#define QMC_INT_RXB BIT(0) /* BD related registers bits */ -#define QMC_BD_RX_E (1 << 15) -#define QMC_BD_RX_W (1 << 13) -#define QMC_BD_RX_I (1 << 12) -#define QMC_BD_RX_L (1 << 11) -#define QMC_BD_RX_F (1 << 10) -#define QMC_BD_RX_CM (1 << 9) -#define QMC_BD_RX_UB (1 << 7) -#define QMC_BD_RX_LG (1 << 5) -#define QMC_BD_RX_NO (1 << 4) -#define QMC_BD_RX_AB (1 << 3) -#define QMC_BD_RX_CR (1 << 2) - -#define QMC_BD_TX_R (1 << 15) -#define QMC_BD_TX_W (1 << 13) -#define QMC_BD_TX_I (1 << 12) -#define QMC_BD_TX_L (1 << 11) -#define QMC_BD_TX_TC (1 << 10) -#define QMC_BD_TX_CM (1 << 9) -#define QMC_BD_TX_UB (1 << 7) -#define QMC_BD_TX_PAD (0x0f << 0) +#define QMC_BD_RX_E BIT(15) +#define QMC_BD_RX_W BIT(13) +#define QMC_BD_RX_I BIT(12) +#define QMC_BD_RX_L BIT(11) +#define QMC_BD_RX_F BIT(10) +#define QMC_BD_RX_CM BIT(9) +#define QMC_BD_RX_UB BIT(7) +#define QMC_BD_RX_LG BIT(5) +#define QMC_BD_RX_NO BIT(4) +#define QMC_BD_RX_AB BIT(3) +#define QMC_BD_RX_CR BIT(2) + +#define QMC_BD_TX_R BIT(15) +#define QMC_BD_TX_W BIT(13) +#define QMC_BD_TX_I BIT(12) +#define QMC_BD_TX_L BIT(11) +#define QMC_BD_TX_TC BIT(10) +#define QMC_BD_TX_CM BIT(9) +#define QMC_BD_TX_UB BIT(7) +#define QMC_BD_TX_PAD_MASK GENMASK(3, 0) +#define QMC_BD_TX_PAD(x) FIELD_PREP(QMC_BD_TX_PAD_MASK, x) /* Numbers of BDs and interrupt items */ #define QMC_NB_TXBDS 8 @@ -184,7 +215,7 @@ struct qmc_chan { u64 rx_ts_mask; bool is_reverse_data; - spinlock_t tx_lock; + spinlock_t tx_lock; /* Protect Tx related data */ cbd_t __iomem *txbds; cbd_t __iomem *txbd_free; cbd_t __iomem *txbd_done; @@ -192,7 +223,7 @@ struct qmc_chan { u64 nb_tx_underrun; bool is_tx_stopped; - spinlock_t rx_lock; + spinlock_t rx_lock; /* Protect Rx related data */ cbd_t __iomem *rxbds; cbd_t __iomem *rxbd_free; cbd_t __iomem *rxbd_done; @@ -203,13 +234,31 @@ struct qmc_chan { bool is_rx_stopped; }; +enum qmc_version { + QMC_CPM1, + QMC_QE, +}; + +struct qmc_data { + enum qmc_version version; + u32 tstate; /* Initial TSTATE value */ + u32 rstate; /* Initial RSTATE value */ + u32 zistate; /* Initial ZISTATE value */ + u32 zdstate_hdlc; /* Initial ZDSTATE value (HDLC mode) */ + u32 zdstate_transp; /* Initial ZDSTATE value (Transparent mode) */ + u32 rpack; /* Initial RPACK value */ +}; + struct qmc { struct device *dev; + const struct qmc_data *data; struct tsa_serial *tsa_serial; void __iomem *scc_regs; void __iomem *scc_pram; void __iomem *dpram; u16 scc_pram_offset; + u32 dpram_offset; + u32 qe_subblock; cbd_t __iomem *bd_table; dma_addr_t bd_dma_addr; size_t bd_size; @@ -222,6 +271,11 @@ struct qmc { struct qmc_chan *chans[64]; }; +static void qmc_write8(void __iomem *addr, u8 val) +{ + iowrite8(val, addr); +} + static void qmc_write16(void __iomem *addr, u16 val) { iowrite16be(val, addr); @@ -262,6 +316,13 @@ static void qmc_setbits32(void __iomem *addr, u32 set) qmc_write32(addr, qmc_read32(addr) | set); } +static bool qmc_is_qe(const struct qmc *qmc) +{ + if (IS_ENABLED(CONFIG_QUICC_ENGINE) && IS_ENABLED(CONFIG_CPM)) + return qmc->data->version == QMC_QE; + + return IS_ENABLED(CONFIG_QUICC_ENGINE); +} int qmc_chan_get_info(struct qmc_chan *chan, struct qmc_chan_info *info) { @@ -348,8 +409,8 @@ int qmc_chan_set_param(struct qmc_chan *chan, const struct qmc_chan_param *param switch (param->mode) { case QMC_HDLC: - if ((param->hdlc.max_rx_buf_size % 4) || - (param->hdlc.max_rx_buf_size < 8)) + if (param->hdlc.max_rx_buf_size % 4 || + param->hdlc.max_rx_buf_size < 8) return -EINVAL; qmc_write16(chan->qmc->scc_pram + QMC_GBL_MRBLR, @@ -532,11 +593,12 @@ int qmc_chan_read_submit(struct qmc_chan *chan, dma_addr_t addr, size_t length, /* Restart receiver if needed */ if (chan->is_rx_halted && !chan->is_rx_stopped) { /* Restart receiver */ - if (chan->mode == QMC_TRANSPARENT) - qmc_write32(chan->s_param + QMC_SPE_ZDSTATE, 0x18000080); - else - qmc_write32(chan->s_param + QMC_SPE_ZDSTATE, 0x00000080); - qmc_write32(chan->s_param + QMC_SPE_RSTATE, 0x31000000); + qmc_write32(chan->s_param + QMC_SPE_RPACK, chan->qmc->data->rpack); + qmc_write32(chan->s_param + QMC_SPE_ZDSTATE, + chan->mode == QMC_TRANSPARENT ? + chan->qmc->data->zdstate_transp : + chan->qmc->data->zdstate_hdlc); + qmc_write32(chan->s_param + QMC_SPE_RSTATE, chan->qmc->data->rstate); chan->is_rx_halted = false; } chan->rx_pending++; @@ -641,7 +703,7 @@ static int qmc_chan_setup_tsa_64rxtx(struct qmc_chan *chan, const struct tsa_ser return -EINVAL; } - val = QMC_TSA_VALID | QMC_TSA_MASK | QMC_TSA_CHANNEL(chan->id); + val = QMC_TSA_VALID | QMC_TSA_MASK_8BIT | QMC_TSA_CHANNEL(chan->id); /* Check entries based on Rx stuff*/ for (i = 0; i < info->nb_rx_ts; i++) { @@ -662,7 +724,7 @@ static int qmc_chan_setup_tsa_64rxtx(struct qmc_chan *chan, const struct tsa_ser continue; qmc_clrsetbits16(chan->qmc->scc_pram + QMC_GBL_TSATRX + (i * 2), - ~QMC_TSA_WRAP, enable ? val : 0x0000); + (u16)~QMC_TSA_WRAP, enable ? val : 0x0000); } return 0; @@ -677,7 +739,7 @@ static int qmc_chan_setup_tsa_32rx(struct qmc_chan *chan, const struct tsa_seria /* Use a Rx 32 entries table */ - val = QMC_TSA_VALID | QMC_TSA_MASK | QMC_TSA_CHANNEL(chan->id); + val = QMC_TSA_VALID | QMC_TSA_MASK_8BIT | QMC_TSA_CHANNEL(chan->id); /* Check entries based on Rx stuff */ for (i = 0; i < info->nb_rx_ts; i++) { @@ -698,7 +760,7 @@ static int qmc_chan_setup_tsa_32rx(struct qmc_chan *chan, const struct tsa_seria continue; qmc_clrsetbits16(chan->qmc->scc_pram + QMC_GBL_TSATRX + (i * 2), - ~QMC_TSA_WRAP, enable ? val : 0x0000); + (u16)~QMC_TSA_WRAP, enable ? val : 0x0000); } return 0; @@ -713,7 +775,7 @@ static int qmc_chan_setup_tsa_32tx(struct qmc_chan *chan, const struct tsa_seria /* Use a Tx 32 entries table */ - val = QMC_TSA_VALID | QMC_TSA_MASK | QMC_TSA_CHANNEL(chan->id); + val = QMC_TSA_VALID | QMC_TSA_MASK_8BIT | QMC_TSA_CHANNEL(chan->id); /* Check entries based on Tx stuff */ for (i = 0; i < info->nb_tx_ts; i++) { @@ -734,7 +796,7 @@ static int qmc_chan_setup_tsa_32tx(struct qmc_chan *chan, const struct tsa_seria continue; qmc_clrsetbits16(chan->qmc->scc_pram + QMC_GBL_TSATTX + (i * 2), - ~QMC_TSA_WRAP, enable ? val : 0x0000); + (u16)~QMC_TSA_WRAP, enable ? val : 0x0000); } return 0; @@ -774,11 +836,18 @@ static int qmc_chan_setup_tsa_rx(struct qmc_chan *chan, bool enable) return qmc_chan_setup_tsa_32rx(chan, &info, enable); } -static int qmc_chan_command(struct qmc_chan *chan, u8 qmc_opcode) +static int qmc_chan_cpm1_command(struct qmc_chan *chan, u8 qmc_opcode) { return cpm_command(chan->id << 2, (qmc_opcode << 4) | 0x0E); } +static int qmc_chan_qe_command(struct qmc_chan *chan, u32 cmd) +{ + if (!qe_issue_cmd(cmd, chan->qmc->qe_subblock, chan->id, 0)) + return -EIO; + return 0; +} + static int qmc_chan_stop_rx(struct qmc_chan *chan) { unsigned long flags; @@ -793,7 +862,9 @@ static int qmc_chan_stop_rx(struct qmc_chan *chan) } /* Send STOP RECEIVE command */ - ret = qmc_chan_command(chan, 0x0); + ret = qmc_is_qe(chan->qmc) ? + qmc_chan_qe_command(chan, QE_QMC_STOP_RX) : + qmc_chan_cpm1_command(chan, 0x0); if (ret) { dev_err(chan->qmc->dev, "chan %u: Send STOP RECEIVE failed (%d)\n", chan->id, ret); @@ -830,7 +901,9 @@ static int qmc_chan_stop_tx(struct qmc_chan *chan) } /* Send STOP TRANSMIT command */ - ret = qmc_chan_command(chan, 0x1); + ret = qmc_is_qe(chan->qmc) ? + qmc_chan_qe_command(chan, QE_QMC_STOP_TX) : + qmc_chan_cpm1_command(chan, 0x1); if (ret) { dev_err(chan->qmc->dev, "chan %u: Send STOP TRANSMIT failed (%d)\n", chan->id, ret); @@ -889,6 +962,7 @@ EXPORT_SYMBOL(qmc_chan_stop); static int qmc_setup_chan_trnsync(struct qmc *qmc, struct qmc_chan *chan) { struct tsa_serial_info info; + unsigned int w_rx, w_tx; u16 first_rx, last_tx; u16 trnsync; int ret; @@ -898,6 +972,14 @@ static int qmc_setup_chan_trnsync(struct qmc *qmc, struct qmc_chan *chan) if (ret) return ret; + w_rx = hweight64(chan->rx_ts_mask); + w_tx = hweight64(chan->tx_ts_mask); + if (w_rx <= 1 && w_tx <= 1) { + dev_dbg(qmc->dev, "only one or zero ts -> disable trnsync\n"); + qmc_clrbits16(chan->s_param + QMC_SPE_CHAMR, QMC_SPE_CHAMR_TRANSP_SYNC); + return 0; + } + /* Find the first Rx TS allocated to the channel */ first_rx = chan->rx_ts_mask ? __ffs64(chan->rx_ts_mask) + 1 : 0; @@ -911,6 +993,7 @@ static int qmc_setup_chan_trnsync(struct qmc *qmc, struct qmc_chan *chan) trnsync |= QMC_SPE_TRNSYNC_TX((last_tx % info.nb_tx_ts) * 2); qmc_write16(chan->s_param + QMC_SPE_TRNSYNC, trnsync); + qmc_setbits16(chan->s_param + QMC_SPE_CHAMR, QMC_SPE_CHAMR_TRANSP_SYNC); dev_dbg(qmc->dev, "chan %u: trnsync=0x%04x, rx %u/%u 0x%llx, tx %u/%u 0x%llx\n", chan->id, trnsync, @@ -940,19 +1023,22 @@ static int qmc_chan_start_rx(struct qmc_chan *chan) goto end; } - ret = qmc_setup_chan_trnsync(chan->qmc, chan); - if (ret) { - dev_err(chan->qmc->dev, "chan %u: setup TRNSYNC failed (%d)\n", - chan->id, ret); - goto end; + if (chan->mode == QMC_TRANSPARENT) { + ret = qmc_setup_chan_trnsync(chan->qmc, chan); + if (ret) { + dev_err(chan->qmc->dev, "chan %u: setup TRNSYNC failed (%d)\n", + chan->id, ret); + goto end; + } } /* Restart the receiver */ - if (chan->mode == QMC_TRANSPARENT) - qmc_write32(chan->s_param + QMC_SPE_ZDSTATE, 0x18000080); - else - qmc_write32(chan->s_param + QMC_SPE_ZDSTATE, 0x00000080); - qmc_write32(chan->s_param + QMC_SPE_RSTATE, 0x31000000); + qmc_write32(chan->s_param + QMC_SPE_RPACK, chan->qmc->data->rpack); + qmc_write32(chan->s_param + QMC_SPE_ZDSTATE, + chan->mode == QMC_TRANSPARENT ? + chan->qmc->data->zdstate_transp : + chan->qmc->data->zdstate_hdlc); + qmc_write32(chan->s_param + QMC_SPE_RSTATE, chan->qmc->data->rstate); chan->is_rx_halted = false; chan->is_rx_stopped = false; @@ -982,11 +1068,13 @@ static int qmc_chan_start_tx(struct qmc_chan *chan) goto end; } - ret = qmc_setup_chan_trnsync(chan->qmc, chan); - if (ret) { - dev_err(chan->qmc->dev, "chan %u: setup TRNSYNC failed (%d)\n", - chan->id, ret); - goto end; + if (chan->mode == QMC_TRANSPARENT) { + ret = qmc_setup_chan_trnsync(chan->qmc, chan); + if (ret) { + dev_err(chan->qmc->dev, "chan %u: setup TRNSYNC failed (%d)\n", + chan->id, ret); + goto end; + } } /* @@ -1096,8 +1184,8 @@ static void qmc_chan_reset_tx(struct qmc_chan *chan) qmc_read16(chan->s_param + QMC_SPE_TBASE)); /* Reset TSTATE and ZISTATE to their initial value */ - qmc_write32(chan->s_param + QMC_SPE_TSTATE, 0x30000000); - qmc_write32(chan->s_param + QMC_SPE_ZISTATE, 0x00000100); + qmc_write32(chan->s_param + QMC_SPE_TSTATE, chan->qmc->data->tstate); + qmc_write32(chan->s_param + QMC_SPE_ZISTATE, chan->qmc->data->zistate); spin_unlock_irqrestore(&chan->tx_lock, flags); } @@ -1127,7 +1215,7 @@ static int qmc_check_chans(struct qmc *qmc) if (ret) return ret; - if ((info.nb_tx_ts > 64) || (info.nb_rx_ts > 64)) { + if (info.nb_tx_ts > 64 || info.nb_rx_ts > 64) { dev_err(qmc->dev, "Number of TSA Tx/Rx TS assigned not supported\n"); return -EINVAL; } @@ -1136,7 +1224,7 @@ static int qmc_check_chans(struct qmc *qmc) * If more than 32 TS are assigned to this serial, one common table is * used for Tx and Rx and so masks must be equal for all channels. */ - if ((info.nb_tx_ts > 32) || (info.nb_rx_ts > 32)) { + if (info.nb_tx_ts > 32 || info.nb_rx_ts > 32) { if (info.nb_tx_ts != info.nb_rx_ts) { dev_err(qmc->dev, "Number of TSA Tx/Rx TS assigned are not equal\n"); return -EINVAL; @@ -1368,13 +1456,14 @@ static int qmc_setup_chan(struct qmc *qmc, struct qmc_chan *chan) val = ((chan->id * (QMC_NB_TXBDS + QMC_NB_RXBDS)) + QMC_NB_TXBDS) * sizeof(cbd_t); qmc_write16(chan->s_param + QMC_SPE_RBASE, val); qmc_write16(chan->s_param + QMC_SPE_RBPTR, val); - qmc_write32(chan->s_param + QMC_SPE_TSTATE, 0x30000000); - qmc_write32(chan->s_param + QMC_SPE_RSTATE, 0x31000000); - qmc_write32(chan->s_param + QMC_SPE_ZISTATE, 0x00000100); + qmc_write32(chan->s_param + QMC_SPE_TSTATE, chan->qmc->data->tstate); + qmc_write32(chan->s_param + QMC_SPE_RSTATE, chan->qmc->data->rstate); + qmc_write32(chan->s_param + QMC_SPE_ZISTATE, chan->qmc->data->zistate); + qmc_write32(chan->s_param + QMC_SPE_RPACK, chan->qmc->data->rpack); if (chan->mode == QMC_TRANSPARENT) { - qmc_write32(chan->s_param + QMC_SPE_ZDSTATE, 0x18000080); + qmc_write32(chan->s_param + QMC_SPE_ZDSTATE, chan->qmc->data->zdstate_transp); qmc_write16(chan->s_param + QMC_SPE_TMRBLR, 60); - val = QMC_SPE_CHAMR_MODE_TRANSP | QMC_SPE_CHAMR_TRANSP_SYNC; + val = QMC_SPE_CHAMR_MODE_TRANSP; if (chan->is_reverse_data) val |= QMC_SPE_CHAMR_TRANSP_RD; qmc_write16(chan->s_param + QMC_SPE_CHAMR, val); @@ -1382,10 +1471,10 @@ static int qmc_setup_chan(struct qmc *qmc, struct qmc_chan *chan) if (ret) return ret; } else { - qmc_write32(chan->s_param + QMC_SPE_ZDSTATE, 0x00000080); + qmc_write32(chan->s_param + QMC_SPE_ZDSTATE, chan->qmc->data->zdstate_hdlc); qmc_write16(chan->s_param + QMC_SPE_MFLR, 60); qmc_write16(chan->s_param + QMC_SPE_CHAMR, - QMC_SPE_CHAMR_MODE_HDLC | QMC_SPE_CHAMR_HDLC_IDLM); + QMC_SPE_CHAMR_MODE_HDLC | QMC_SPE_CHAMR_HDLC_IDLM); } /* Do not enable interrupts now. They will be enabled later */ @@ -1510,11 +1599,14 @@ static void qmc_irq_gint(struct qmc *qmc) /* Restart the receiver if needed */ spin_lock_irqsave(&chan->rx_lock, flags); if (chan->rx_pending && !chan->is_rx_stopped) { - if (chan->mode == QMC_TRANSPARENT) - qmc_write32(chan->s_param + QMC_SPE_ZDSTATE, 0x18000080); - else - qmc_write32(chan->s_param + QMC_SPE_ZDSTATE, 0x00000080); - qmc_write32(chan->s_param + QMC_SPE_RSTATE, 0x31000000); + qmc_write32(chan->s_param + QMC_SPE_RPACK, + chan->qmc->data->rpack); + qmc_write32(chan->s_param + QMC_SPE_ZDSTATE, + chan->mode == QMC_TRANSPARENT ? + chan->qmc->data->zdstate_transp : + chan->qmc->data->zdstate_hdlc); + qmc_write32(chan->s_param + QMC_SPE_RSTATE, + chan->qmc->data->rstate); chan->is_rx_halted = false; } else { chan->is_rx_halted = true; @@ -1558,27 +1650,74 @@ static irqreturn_t qmc_irq_handler(int irq, void *priv) return IRQ_HANDLED; } -static int qmc_probe(struct platform_device *pdev) +static int qmc_qe_soft_qmc_init(struct qmc *qmc, struct device_node *np) { - struct device_node *np = pdev->dev.of_node; - unsigned int nb_chans; - struct resource *res; - struct qmc *qmc; - int irq; + struct qe_firmware_info *qe_fw_info; + const struct qe_firmware *qe_fw; + const struct firmware *fw; + const char *filename; int ret; - qmc = devm_kzalloc(&pdev->dev, sizeof(*qmc), GFP_KERNEL); - if (!qmc) - return -ENOMEM; + ret = of_property_read_string(np, "fsl,soft-qmc", &filename); + switch (ret) { + case 0: + break; + case -EINVAL: + /* fsl,soft-qmc property not set -> Simply do nothing */ + return 0; + default: + dev_err(qmc->dev, "%pOF: failed to read fsl,soft-qmc\n", + np); + return ret; + } - qmc->dev = &pdev->dev; - INIT_LIST_HEAD(&qmc->chan_head); + qe_fw_info = qe_get_firmware_info(); + if (qe_fw_info) { + if (!strstr(qe_fw_info->id, "Soft-QMC")) { + dev_err(qmc->dev, "Another Firmware is already loaded\n"); + return -EALREADY; + } + dev_info(qmc->dev, "Firmware already loaded\n"); + return 0; + } + + dev_info(qmc->dev, "Using firmware %s\n", filename); + + ret = request_firmware(&fw, filename, qmc->dev); + if (ret) { + dev_err(qmc->dev, "Failed to request firmware %s\n", filename); + return ret; + } + + qe_fw = (const struct qe_firmware *)fw->data; + + if (fw->size < sizeof(qe_fw->header) || + be32_to_cpu(qe_fw->header.length) != fw->size) { + dev_err(qmc->dev, "Invalid firmware %s\n", filename); + ret = -EINVAL; + goto end; + } + + ret = qe_upload_firmware(qe_fw); + if (ret) { + dev_err(qmc->dev, "Failed to load firmware %s\n", filename); + goto end; + } + + ret = 0; +end: + release_firmware(fw); + return ret; +} + +static int qmc_cpm1_init_resources(struct qmc *qmc, struct platform_device *pdev) +{ + struct resource *res; qmc->scc_regs = devm_platform_ioremap_resource_byname(pdev, "scc_regs"); if (IS_ERR(qmc->scc_regs)) return PTR_ERR(qmc->scc_regs); - res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "scc_pram"); if (!res) return -EINVAL; @@ -1591,44 +1730,215 @@ static int qmc_probe(struct platform_device *pdev) if (IS_ERR(qmc->dpram)) return PTR_ERR(qmc->dpram); + return 0; +} + +static int qmc_qe_init_resources(struct qmc *qmc, struct platform_device *pdev) +{ + struct resource *res; + int ucc_num; + s32 info; + + qmc->scc_regs = devm_platform_ioremap_resource_byname(pdev, "ucc_regs"); + if (IS_ERR(qmc->scc_regs)) + return PTR_ERR(qmc->scc_regs); + + ucc_num = tsa_serial_get_num(qmc->tsa_serial); + if (ucc_num < 0) + return dev_err_probe(qmc->dev, ucc_num, "Failed to get UCC num\n"); + + qmc->qe_subblock = ucc_slow_get_qe_cr_subblock(ucc_num); + if (qmc->qe_subblock == QE_CR_SUBBLOCK_INVALID) { + dev_err(qmc->dev, "Unsupported ucc num %u\n", ucc_num); + return -EINVAL; + } + /* Allocate the 'Global Multichannel Parameters' and the + * 'Framer parameters' areas. The 'Framer parameters' area + * is located right after the 'Global Multichannel Parameters'. + * The 'Framer parameters' need 1 byte per receive and transmit + * channel. The maximum number of receive or transmit channel + * is 64. So reserve 2 * 64 bytes for the 'Framer parameters'. + */ + info = devm_qe_muram_alloc(qmc->dev, UCC_SLOW_PRAM_SIZE + 2 * 64, + ALIGNMENT_OF_UCC_SLOW_PRAM); + if (IS_ERR_VALUE(info)) { + dev_err(qmc->dev, "cannot allocate MURAM for PRAM"); + return -ENOMEM; + } + if (!qe_issue_cmd(QE_ASSIGN_PAGE_TO_DEVICE, qmc->qe_subblock, + QE_CR_PROTOCOL_UNSPECIFIED, info)) { + dev_err(qmc->dev, "QE_ASSIGN_PAGE_TO_DEVICE cmd failed"); + return -EIO; + } + qmc->scc_pram = qe_muram_addr(info); + qmc->scc_pram_offset = info; + + res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "dpram"); + if (!res) + return -EINVAL; + qmc->dpram_offset = res->start - qe_muram_dma(qe_muram_addr(0)); + qmc->dpram = devm_ioremap_resource(qmc->dev, res); + if (IS_ERR(qmc->scc_pram)) + return PTR_ERR(qmc->scc_pram); + + return 0; +} + +static int qmc_init_resources(struct qmc *qmc, struct platform_device *pdev) +{ + return qmc_is_qe(qmc) ? + qmc_qe_init_resources(qmc, pdev) : + qmc_cpm1_init_resources(qmc, pdev); +} + +static int qmc_cpm1_init_scc(struct qmc *qmc) +{ + u32 val; + int ret; + + /* Connect the serial (SCC) to TSA */ + ret = tsa_serial_connect(qmc->tsa_serial); + if (ret) + return dev_err_probe(qmc->dev, ret, "Failed to connect TSA serial\n"); + + /* Init GMSR_H and GMSR_L registers */ + val = SCC_GSMRH_CDS | SCC_GSMRH_CTSS | SCC_GSMRH_CDP | SCC_GSMRH_CTSP; + qmc_write32(qmc->scc_regs + SCC_GSMRH, val); + + /* enable QMC mode */ + qmc_write32(qmc->scc_regs + SCC_GSMRL, SCC_CPM1_GSMRL_MODE_QMC); + + /* Disable and clear interrupts */ + qmc_write16(qmc->scc_regs + SCC_SCCM, 0x0000); + qmc_write16(qmc->scc_regs + SCC_SCCE, 0x000F); + + return 0; +} + +static int qmc_qe_init_ucc(struct qmc *qmc) +{ + u32 val; + int ret; + + /* Set the UCC in slow mode */ + qmc_write8(qmc->scc_regs + SCC_QE_UCC_GUEMR, + UCC_GUEMR_SET_RESERVED3 | UCC_GUEMR_MODE_SLOW_RX | UCC_GUEMR_MODE_SLOW_TX); + + /* Connect the serial (UCC) to TSA */ + ret = tsa_serial_connect(qmc->tsa_serial); + if (ret) + return dev_err_probe(qmc->dev, ret, "Failed to connect TSA serial\n"); + + /* Initialize the QMC tx startup addresses */ + if (!qe_issue_cmd(QE_PUSHSCHED, qmc->qe_subblock, + QE_CR_PROTOCOL_UNSPECIFIED, 0x80)) { + dev_err(qmc->dev, "QE_CMD_PUSH_SCHED tx cmd failed"); + ret = -EIO; + goto err_tsa_serial_disconnect; + } + + /* Initialize the QMC rx startup addresses */ + if (!qe_issue_cmd(QE_PUSHSCHED, qmc->qe_subblock | 0x00020000, + QE_CR_PROTOCOL_UNSPECIFIED, 0x82)) { + dev_err(qmc->dev, "QE_CMD_PUSH_SCHED rx cmd failed"); + ret = -EIO; + goto err_tsa_serial_disconnect; + } + + /* Re-init RXPTR and TXPTR with the content of RX_S_PTR and + * TX_S_PTR (RX_S_PTR and TX_S_PTR are initialized during + * qmc_setup_tsa() call + */ + val = qmc_read16(qmc->scc_pram + QMC_GBL_RX_S_PTR); + qmc_write16(qmc->scc_pram + QMC_GBL_RXPTR, val); + val = qmc_read16(qmc->scc_pram + QMC_GBL_TX_S_PTR); + qmc_write16(qmc->scc_pram + QMC_GBL_TXPTR, val); + + /* Init GUMR_H and GUMR_L registers (SCC GSMR_H and GSMR_L) */ + val = SCC_GSMRH_CDS | SCC_GSMRH_CTSS | SCC_GSMRH_CDP | SCC_GSMRH_CTSP | + SCC_GSMRH_TRX | SCC_GSMRH_TTX; + qmc_write32(qmc->scc_regs + SCC_GSMRH, val); + + /* enable QMC mode */ + qmc_write32(qmc->scc_regs + SCC_GSMRL, SCC_QE_GSMRL_MODE_QMC); + + /* Disable and clear interrupts */ + qmc_write16(qmc->scc_regs + SCC_SCCM, 0x0000); + qmc_write16(qmc->scc_regs + SCC_SCCE, 0x000F); + + return 0; + +err_tsa_serial_disconnect: + tsa_serial_disconnect(qmc->tsa_serial); + return ret; +} + +static int qmc_init_xcc(struct qmc *qmc) +{ + return qmc_is_qe(qmc) ? + qmc_qe_init_ucc(qmc) : + qmc_cpm1_init_scc(qmc); +} + +static void qmc_exit_xcc(struct qmc *qmc) +{ + /* Disconnect the serial from TSA */ + tsa_serial_disconnect(qmc->tsa_serial); +} + +static int qmc_probe(struct platform_device *pdev) +{ + struct device_node *np = pdev->dev.of_node; + unsigned int nb_chans; + struct qmc *qmc; + int irq; + int ret; + + qmc = devm_kzalloc(&pdev->dev, sizeof(*qmc), GFP_KERNEL); + if (!qmc) + return -ENOMEM; + + qmc->dev = &pdev->dev; + qmc->data = of_device_get_match_data(&pdev->dev); + if (!qmc->data) { + dev_err(qmc->dev, "Missing match data\n"); + return -EINVAL; + } + INIT_LIST_HEAD(&qmc->chan_head); + qmc->tsa_serial = devm_tsa_serial_get_byphandle(qmc->dev, np, "fsl,tsa-serial"); if (IS_ERR(qmc->tsa_serial)) { return dev_err_probe(qmc->dev, PTR_ERR(qmc->tsa_serial), "Failed to get TSA serial\n"); } - /* Connect the serial (SCC) to TSA */ - ret = tsa_serial_connect(qmc->tsa_serial); - if (ret) { - dev_err(qmc->dev, "Failed to connect TSA serial\n"); + ret = qmc_init_resources(qmc, pdev); + if (ret) return ret; + + if (qmc_is_qe(qmc)) { + ret = qmc_qe_soft_qmc_init(qmc, np); + if (ret) + return ret; } /* Parse channels informationss */ ret = qmc_of_parse_chans(qmc, np); if (ret) - goto err_tsa_serial_disconnect; + return ret; nb_chans = qmc_nb_chans(qmc); - /* Init GMSR_H and GMSR_L registers */ - qmc_write32(qmc->scc_regs + SCC_GSMRH, - SCC_GSMRH_CDS | SCC_GSMRH_CTSS | SCC_GSMRH_CDP | SCC_GSMRH_CTSP); - - /* enable QMC mode */ - qmc_write32(qmc->scc_regs + SCC_GSMRL, SCC_GSMRL_MODE_QMC); - /* * Allocate the buffer descriptor table * 8 rx and 8 tx descriptors per channel */ qmc->bd_size = (nb_chans * (QMC_NB_TXBDS + QMC_NB_RXBDS)) * sizeof(cbd_t); qmc->bd_table = dmam_alloc_coherent(qmc->dev, qmc->bd_size, - &qmc->bd_dma_addr, GFP_KERNEL); + &qmc->bd_dma_addr, GFP_KERNEL); if (!qmc->bd_table) { dev_err(qmc->dev, "Failed to allocate bd table\n"); - ret = -ENOMEM; - goto err_tsa_serial_disconnect; + return -ENOMEM; } memset(qmc->bd_table, 0, qmc->bd_size); @@ -1637,11 +1947,10 @@ static int qmc_probe(struct platform_device *pdev) /* Allocate the interrupt table */ qmc->int_size = QMC_NB_INTS * sizeof(u16); qmc->int_table = dmam_alloc_coherent(qmc->dev, qmc->int_size, - &qmc->int_dma_addr, GFP_KERNEL); + &qmc->int_dma_addr, GFP_KERNEL); if (!qmc->int_table) { dev_err(qmc->dev, "Failed to allocate interrupt table\n"); - ret = -ENOMEM; - goto err_tsa_serial_disconnect; + return -ENOMEM; } memset(qmc->int_table, 0, qmc->int_size); @@ -1658,40 +1967,59 @@ static int qmc_probe(struct platform_device *pdev) qmc_write32(qmc->scc_pram + QMC_GBL_C_MASK32, 0xDEBB20E3); qmc_write16(qmc->scc_pram + QMC_GBL_C_MASK16, 0xF0B8); + if (qmc_is_qe(qmc)) { + /* Zeroed the reserved area */ + memset_io(qmc->scc_pram + QMC_QE_GBL_RSV_B0_START, 0, + QMC_QE_GBL_RSV_B0_SIZE); + + qmc_write32(qmc->scc_pram + QMC_QE_GBL_GCSBASE, qmc->dpram_offset); + + /* Init 'framer parameters' area and set the base addresses */ + memset_io(qmc->scc_pram + UCC_SLOW_PRAM_SIZE, 0x01, 64); + memset_io(qmc->scc_pram + UCC_SLOW_PRAM_SIZE + 64, 0x01, 64); + qmc_write16(qmc->scc_pram + QMC_QE_GBL_RX_FRM_BASE, + qmc->scc_pram_offset + UCC_SLOW_PRAM_SIZE); + qmc_write16(qmc->scc_pram + QMC_QE_GBL_TX_FRM_BASE, + qmc->scc_pram_offset + UCC_SLOW_PRAM_SIZE + 64); + } + ret = qmc_init_tsa(qmc); if (ret) - goto err_tsa_serial_disconnect; + return ret; qmc_write16(qmc->scc_pram + QMC_GBL_QMCSTATE, 0x8000); ret = qmc_setup_chans(qmc); if (ret) - goto err_tsa_serial_disconnect; + return ret; /* Init interrupts table */ ret = qmc_setup_ints(qmc); if (ret) - goto err_tsa_serial_disconnect; + return ret; - /* Disable and clear interrupts, set the irq handler */ - qmc_write16(qmc->scc_regs + SCC_SCCM, 0x0000); - qmc_write16(qmc->scc_regs + SCC_SCCE, 0x000F); + /* Init SCC (CPM1) or UCC (QE) */ + ret = qmc_init_xcc(qmc); + if (ret) + return ret; + + /* Set the irq handler */ irq = platform_get_irq(pdev, 0); if (irq < 0) - goto err_tsa_serial_disconnect; + goto err_exit_xcc; ret = devm_request_irq(qmc->dev, irq, qmc_irq_handler, 0, "qmc", qmc); if (ret < 0) - goto err_tsa_serial_disconnect; + goto err_exit_xcc; /* Enable interrupts */ qmc_write16(qmc->scc_regs + SCC_SCCM, - SCC_SCCE_IQOV | SCC_SCCE_GINT | SCC_SCCE_GUN | SCC_SCCE_GOV); + SCC_SCCE_IQOV | SCC_SCCE_GINT | SCC_SCCE_GUN | SCC_SCCE_GOV); ret = qmc_finalize_chans(qmc); if (ret < 0) goto err_disable_intr; - /* Enable transmiter and receiver */ + /* Enable transmitter and receiver */ qmc_setbits32(qmc->scc_regs + SCC_GSMRL, SCC_GSMRL_ENR | SCC_GSMRL_ENT); platform_set_drvdata(pdev, qmc); @@ -1709,8 +2037,8 @@ err_disable_txrx: err_disable_intr: qmc_write16(qmc->scc_regs + SCC_SCCM, 0); -err_tsa_serial_disconnect: - tsa_serial_disconnect(qmc->tsa_serial); +err_exit_xcc: + qmc_exit_xcc(qmc); return ret; } @@ -1718,18 +2046,43 @@ static void qmc_remove(struct platform_device *pdev) { struct qmc *qmc = platform_get_drvdata(pdev); - /* Disable transmiter and receiver */ + /* Disable transmitter and receiver */ qmc_setbits32(qmc->scc_regs + SCC_GSMRL, 0); /* Disable interrupts */ qmc_write16(qmc->scc_regs + SCC_SCCM, 0); - /* Disconnect the serial from TSA */ - tsa_serial_disconnect(qmc->tsa_serial); + /* Exit SCC (CPM1) or UCC (QE) */ + qmc_exit_xcc(qmc); } +static const struct qmc_data qmc_data_cpm1 = { + .version = QMC_CPM1, + .tstate = 0x30000000, + .rstate = 0x31000000, + .zistate = 0x00000100, + .zdstate_hdlc = 0x00000080, + .zdstate_transp = 0x18000080, + .rpack = 0x00000000, +}; + +static const struct qmc_data qmc_data_qe = { + .version = QMC_QE, + .tstate = 0x30000000, + .rstate = 0x30000000, + .zistate = 0x00000200, + .zdstate_hdlc = 0x80FFFFE0, + .zdstate_transp = 0x003FFFE2, + .rpack = 0x80000000, +}; + static const struct of_device_id qmc_id_table[] = { - { .compatible = "fsl,cpm1-scc-qmc" }, +#if IS_ENABLED(CONFIG_CPM1) + { .compatible = "fsl,cpm1-scc-qmc", .data = &qmc_data_cpm1 }, +#endif +#if IS_ENABLED(CONFIG_QUICC_ENGINE) + { .compatible = "fsl,qe-ucc-qmc", .data = &qmc_data_qe }, +#endif {} /* sentinel */ }; MODULE_DEVICE_TABLE(of, qmc_id_table); @@ -1889,5 +2242,5 @@ struct qmc_chan *devm_qmc_chan_get_bychild(struct device *dev, EXPORT_SYMBOL(devm_qmc_chan_get_bychild); MODULE_AUTHOR("Herve Codina <herve.codina@bootlin.com>"); -MODULE_DESCRIPTION("CPM QMC driver"); +MODULE_DESCRIPTION("CPM/QE QMC driver"); MODULE_LICENSE("GPL"); diff --git a/drivers/soc/fsl/qe/tsa.c b/drivers/soc/fsl/qe/tsa.c index 6c5741cf5e9d..f0889b3fcaf2 100644 --- a/drivers/soc/fsl/qe/tsa.c +++ b/drivers/soc/fsl/qe/tsa.c @@ -9,6 +9,8 @@ #include "tsa.h" #include <dt-bindings/soc/cpm1-fsl,tsa.h> +#include <dt-bindings/soc/qe-fsl,tsa.h> +#include <linux/bitfield.h> #include <linux/clk.h> #include <linux/io.h> #include <linux/module.h> @@ -16,86 +18,116 @@ #include <linux/of_platform.h> #include <linux/platform_device.h> #include <linux/slab.h> +#include <soc/fsl/qe/ucc.h> + +/* TSA SI RAM routing tables entry (CPM1) */ +#define TSA_CPM1_SIRAM_ENTRY_LAST BIT(16) +#define TSA_CPM1_SIRAM_ENTRY_BYTE BIT(17) +#define TSA_CPM1_SIRAM_ENTRY_CNT_MASK GENMASK(21, 18) +#define TSA_CPM1_SIRAM_ENTRY_CNT(x) FIELD_PREP(TSA_CPM1_SIRAM_ENTRY_CNT_MASK, x) +#define TSA_CPM1_SIRAM_ENTRY_CSEL_MASK GENMASK(24, 22) +#define TSA_CPM1_SIRAM_ENTRY_CSEL_NU FIELD_PREP_CONST(TSA_CPM1_SIRAM_ENTRY_CSEL_MASK, 0x0) +#define TSA_CPM1_SIRAM_ENTRY_CSEL_SCC2 FIELD_PREP_CONST(TSA_CPM1_SIRAM_ENTRY_CSEL_MASK, 0x2) +#define TSA_CPM1_SIRAM_ENTRY_CSEL_SCC3 FIELD_PREP_CONST(TSA_CPM1_SIRAM_ENTRY_CSEL_MASK, 0x3) +#define TSA_CPM1_SIRAM_ENTRY_CSEL_SCC4 FIELD_PREP_CONST(TSA_CPM1_SIRAM_ENTRY_CSEL_MASK, 0x4) +#define TSA_CPM1_SIRAM_ENTRY_CSEL_SMC1 FIELD_PREP_CONST(TSA_CPM1_SIRAM_ENTRY_CSEL_MASK, 0x5) +#define TSA_CPM1_SIRAM_ENTRY_CSEL_SMC2 FIELD_PREP_CONST(TSA_CPM1_SIRAM_ENTRY_CSEL_MASK, 0x6) + +/* TSA SI RAM routing tables entry (QE) */ +#define TSA_QE_SIRAM_ENTRY_LAST BIT(0) +#define TSA_QE_SIRAM_ENTRY_BYTE BIT(1) +#define TSA_QE_SIRAM_ENTRY_CNT_MASK GENMASK(4, 2) +#define TSA_QE_SIRAM_ENTRY_CNT(x) FIELD_PREP(TSA_QE_SIRAM_ENTRY_CNT_MASK, x) +#define TSA_QE_SIRAM_ENTRY_CSEL_MASK GENMASK(8, 5) +#define TSA_QE_SIRAM_ENTRY_CSEL_NU FIELD_PREP_CONST(TSA_QE_SIRAM_ENTRY_CSEL_MASK, 0x0) +#define TSA_QE_SIRAM_ENTRY_CSEL_UCC5 FIELD_PREP_CONST(TSA_QE_SIRAM_ENTRY_CSEL_MASK, 0x1) +#define TSA_QE_SIRAM_ENTRY_CSEL_UCC1 FIELD_PREP_CONST(TSA_QE_SIRAM_ENTRY_CSEL_MASK, 0x9) +#define TSA_QE_SIRAM_ENTRY_CSEL_UCC2 FIELD_PREP_CONST(TSA_QE_SIRAM_ENTRY_CSEL_MASK, 0xa) +#define TSA_QE_SIRAM_ENTRY_CSEL_UCC3 FIELD_PREP_CONST(TSA_QE_SIRAM_ENTRY_CSEL_MASK, 0xb) +#define TSA_QE_SIRAM_ENTRY_CSEL_UCC4 FIELD_PREP_CONST(TSA_QE_SIRAM_ENTRY_CSEL_MASK, 0xc) - -/* TSA SI RAM routing tables entry */ -#define TSA_SIRAM_ENTRY_LAST (1 << 16) -#define TSA_SIRAM_ENTRY_BYTE (1 << 17) -#define TSA_SIRAM_ENTRY_CNT(x) (((x) & 0x0f) << 18) -#define TSA_SIRAM_ENTRY_CSEL_MASK (0x7 << 22) -#define TSA_SIRAM_ENTRY_CSEL_NU (0x0 << 22) -#define TSA_SIRAM_ENTRY_CSEL_SCC2 (0x2 << 22) -#define TSA_SIRAM_ENTRY_CSEL_SCC3 (0x3 << 22) -#define TSA_SIRAM_ENTRY_CSEL_SCC4 (0x4 << 22) -#define TSA_SIRAM_ENTRY_CSEL_SMC1 (0x5 << 22) -#define TSA_SIRAM_ENTRY_CSEL_SMC2 (0x6 << 22) - -/* SI mode register (32 bits) */ -#define TSA_SIMODE 0x00 -#define TSA_SIMODE_SMC2 0x80000000 -#define TSA_SIMODE_SMC1 0x00008000 -#define TSA_SIMODE_TDMA(x) ((x) << 0) -#define TSA_SIMODE_TDMB(x) ((x) << 16) -#define TSA_SIMODE_TDM_MASK 0x0fff -#define TSA_SIMODE_TDM_SDM_MASK 0x0c00 -#define TSA_SIMODE_TDM_SDM_NORM 0x0000 -#define TSA_SIMODE_TDM_SDM_ECHO 0x0400 -#define TSA_SIMODE_TDM_SDM_INTL_LOOP 0x0800 -#define TSA_SIMODE_TDM_SDM_LOOP_CTRL 0x0c00 -#define TSA_SIMODE_TDM_RFSD(x) ((x) << 8) -#define TSA_SIMODE_TDM_DSC 0x0080 -#define TSA_SIMODE_TDM_CRT 0x0040 -#define TSA_SIMODE_TDM_STZ 0x0020 -#define TSA_SIMODE_TDM_CE 0x0010 -#define TSA_SIMODE_TDM_FE 0x0008 -#define TSA_SIMODE_TDM_GM 0x0004 -#define TSA_SIMODE_TDM_TFSD(x) ((x) << 0) - -/* SI global mode register (8 bits) */ -#define TSA_SIGMR 0x04 -#define TSA_SIGMR_ENB (1<<3) -#define TSA_SIGMR_ENA (1<<2) -#define TSA_SIGMR_RDM_MASK 0x03 -#define TSA_SIGMR_RDM_STATIC_TDMA 0x00 -#define TSA_SIGMR_RDM_DYN_TDMA 0x01 -#define TSA_SIGMR_RDM_STATIC_TDMAB 0x02 -#define TSA_SIGMR_RDM_DYN_TDMAB 0x03 - -/* SI status register (8 bits) */ -#define TSA_SISTR 0x06 - -/* SI command register (8 bits) */ -#define TSA_SICMR 0x07 +/* + * SI mode register : + * - CPM1: 32bit register split in 2*16bit (16bit TDM) + * - QE: 4x16bit registers, one per TDM + */ +#define TSA_CPM1_SIMODE 0x00 +#define TSA_QE_SIAMR 0x00 +#define TSA_QE_SIBMR 0x02 +#define TSA_QE_SICMR 0x04 +#define TSA_QE_SIDMR 0x06 +#define TSA_CPM1_SIMODE_SMC2 BIT(31) +#define TSA_CPM1_SIMODE_SMC1 BIT(15) +#define TSA_CPM1_SIMODE_TDMA_MASK GENMASK(11, 0) +#define TSA_CPM1_SIMODE_TDMA(x) FIELD_PREP(TSA_CPM1_SIMODE_TDMA_MASK, x) +#define TSA_CPM1_SIMODE_TDMB_MASK GENMASK(27, 16) +#define TSA_CPM1_SIMODE_TDMB(x) FIELD_PREP(TSA_CPM1_SIMODE_TDMB_MASK, x) +#define TSA_QE_SIMODE_TDM_SAD_MASK GENMASK(15, 12) +#define TSA_QE_SIMODE_TDM_SAD(x) FIELD_PREP(TSA_QE_SIMODE_TDM_SAD_MASK, x) +#define TSA_CPM1_SIMODE_TDM_MASK GENMASK(11, 0) +#define TSA_SIMODE_TDM_SDM_MASK GENMASK(11, 10) +#define TSA_SIMODE_TDM_SDM_NORM FIELD_PREP_CONST(TSA_SIMODE_TDM_SDM_MASK, 0x0) +#define TSA_SIMODE_TDM_SDM_ECHO FIELD_PREP_CONST(TSA_SIMODE_TDM_SDM_MASK, 0x1) +#define TSA_SIMODE_TDM_SDM_INTL_LOOP FIELD_PREP_CONST(TSA_SIMODE_TDM_SDM_MASK, 0x2) +#define TSA_SIMODE_TDM_SDM_LOOP_CTRL FIELD_PREP_CONST(TSA_SIMODE_TDM_SDM_MASK, 0x3) +#define TSA_SIMODE_TDM_RFSD_MASK GENMASK(9, 8) +#define TSA_SIMODE_TDM_RFSD(x) FIELD_PREP(TSA_SIMODE_TDM_RFSD_MASK, x) +#define TSA_SIMODE_TDM_DSC BIT(7) +#define TSA_SIMODE_TDM_CRT BIT(6) +#define TSA_CPM1_SIMODE_TDM_STZ BIT(5) /* bit 5: STZ in CPM1 */ +#define TSA_QE_SIMODE_TDM_SL BIT(5) /* bit 5: SL in QE */ +#define TSA_SIMODE_TDM_CE BIT(4) +#define TSA_SIMODE_TDM_FE BIT(3) +#define TSA_SIMODE_TDM_GM BIT(2) +#define TSA_SIMODE_TDM_TFSD_MASK GENMASK(1, 0) +#define TSA_SIMODE_TDM_TFSD(x) FIELD_PREP(TSA_SIMODE_TDM_TFSD_MASK, x) + +/* CPM SI global mode register (8 bits) */ +#define TSA_CPM1_SIGMR 0x04 +#define TSA_CPM1_SIGMR_ENB BIT(3) +#define TSA_CPM1_SIGMR_ENA BIT(2) +#define TSA_CPM1_SIGMR_RDM_MASK GENMASK(1, 0) +#define TSA_CPM1_SIGMR_RDM_STATIC_TDMA FIELD_PREP_CONST(TSA_CPM1_SIGMR_RDM_MASK, 0x0) +#define TSA_CPM1_SIGMR_RDM_DYN_TDMA FIELD_PREP_CONST(TSA_CPM1_SIGMR_RDM_MASK, 0x1) +#define TSA_CPM1_SIGMR_RDM_STATIC_TDMAB FIELD_PREP_CONST(TSA_CPM1_SIGMR_RDM_MASK, 0x2) +#define TSA_CPM1_SIGMR_RDM_DYN_TDMAB FIELD_PREP_CONST(TSA_CPM1_SIGMR_RDM_MASK, 0x3) + +/* QE SI global mode register high (8 bits) */ +#define TSA_QE_SIGLMRH 0x08 +#define TSA_QE_SIGLMRH_END BIT(3) +#define TSA_QE_SIGLMRH_ENC BIT(2) +#define TSA_QE_SIGLMRH_ENB BIT(1) +#define TSA_QE_SIGLMRH_ENA BIT(0) /* SI clock route register (32 bits) */ -#define TSA_SICR 0x0C -#define TSA_SICR_SCC2(x) ((x) << 8) -#define TSA_SICR_SCC3(x) ((x) << 16) -#define TSA_SICR_SCC4(x) ((x) << 24) -#define TSA_SICR_SCC_MASK 0x0ff -#define TSA_SICR_SCC_GRX (1 << 7) -#define TSA_SICR_SCC_SCX_TSA (1 << 6) -#define TSA_SICR_SCC_RXCS_MASK (0x7 << 3) -#define TSA_SICR_SCC_RXCS_BRG1 (0x0 << 3) -#define TSA_SICR_SCC_RXCS_BRG2 (0x1 << 3) -#define TSA_SICR_SCC_RXCS_BRG3 (0x2 << 3) -#define TSA_SICR_SCC_RXCS_BRG4 (0x3 << 3) -#define TSA_SICR_SCC_RXCS_CLK15 (0x4 << 3) -#define TSA_SICR_SCC_RXCS_CLK26 (0x5 << 3) -#define TSA_SICR_SCC_RXCS_CLK37 (0x6 << 3) -#define TSA_SICR_SCC_RXCS_CLK48 (0x7 << 3) -#define TSA_SICR_SCC_TXCS_MASK (0x7 << 0) -#define TSA_SICR_SCC_TXCS_BRG1 (0x0 << 0) -#define TSA_SICR_SCC_TXCS_BRG2 (0x1 << 0) -#define TSA_SICR_SCC_TXCS_BRG3 (0x2 << 0) -#define TSA_SICR_SCC_TXCS_BRG4 (0x3 << 0) -#define TSA_SICR_SCC_TXCS_CLK15 (0x4 << 0) -#define TSA_SICR_SCC_TXCS_CLK26 (0x5 << 0) -#define TSA_SICR_SCC_TXCS_CLK37 (0x6 << 0) -#define TSA_SICR_SCC_TXCS_CLK48 (0x7 << 0) - -/* Serial interface RAM pointer register (32 bits) */ -#define TSA_SIRP 0x10 +#define TSA_CPM1_SICR 0x0C +#define TSA_CPM1_SICR_SCC2_MASK GENMASK(15, 8) +#define TSA_CPM1_SICR_SCC2(x) FIELD_PREP(TSA_CPM1_SICR_SCC2_MASK, x) +#define TSA_CPM1_SICR_SCC3_MASK GENMASK(23, 16) +#define TSA_CPM1_SICR_SCC3(x) FIELD_PREP(TSA_CPM1_SICR_SCC3_MASK, x) +#define TSA_CPM1_SICR_SCC4_MASK GENMASK(31, 24) +#define TSA_CPM1_SICR_SCC4(x) FIELD_PREP(TSA_CPM1_SICR_SCC4_MASK, x) +#define TSA_CPM1_SICR_SCC_MASK GENMASK(7, 0) +#define TSA_CPM1_SICR_SCC_GRX BIT(7) +#define TSA_CPM1_SICR_SCC_SCX_TSA BIT(6) +#define TSA_CPM1_SICR_SCC_RXCS_MASK GENMASK(5, 3) +#define TSA_CPM1_SICR_SCC_RXCS_BRG1 FIELD_PREP_CONST(TSA_CPM1_SICR_SCC_RXCS_MASK, 0x0) +#define TSA_CPM1_SICR_SCC_RXCS_BRG2 FIELD_PREP_CONST(TSA_CPM1_SICR_SCC_RXCS_MASK, 0x1) +#define TSA_CPM1_SICR_SCC_RXCS_BRG3 FIELD_PREP_CONST(TSA_CPM1_SICR_SCC_RXCS_MASK, 0x2) +#define TSA_CPM1_SICR_SCC_RXCS_BRG4 FIELD_PREP_CONST(TSA_CPM1_SICR_SCC_RXCS_MASK, 0x3) +#define TSA_CPM1_SICR_SCC_RXCS_CLK15 FIELD_PREP_CONST(TSA_CPM1_SICR_SCC_RXCS_MASK, 0x4) +#define TSA_CPM1_SICR_SCC_RXCS_CLK26 FIELD_PREP_CONST(TSA_CPM1_SICR_SCC_RXCS_MASK, 0x5) +#define TSA_CPM1_SICR_SCC_RXCS_CLK37 FIELD_PREP_CONST(TSA_CPM1_SICR_SCC_RXCS_MASK, 0x6) +#define TSA_CPM1_SICR_SCC_RXCS_CLK48 FIELD_PREP_CONST(TSA_CPM1_SICR_SCC_RXCS_MASK, 0x7) +#define TSA_CPM1_SICR_SCC_TXCS_MASK GENMASK(2, 0) +#define TSA_CPM1_SICR_SCC_TXCS_BRG1 FIELD_PREP_CONST(TSA_CPM1_SICR_SCC_TXCS_MASK, 0x0) +#define TSA_CPM1_SICR_SCC_TXCS_BRG2 FIELD_PREP_CONST(TSA_CPM1_SICR_SCC_TXCS_MASK, 0x1) +#define TSA_CPM1_SICR_SCC_TXCS_BRG3 FIELD_PREP_CONST(TSA_CPM1_SICR_SCC_TXCS_MASK, 0x2) +#define TSA_CPM1_SICR_SCC_TXCS_BRG4 FIELD_PREP_CONST(TSA_CPM1_SICR_SCC_TXCS_MASK, 0x3) +#define TSA_CPM1_SICR_SCC_TXCS_CLK15 FIELD_PREP_CONST(TSA_CPM1_SICR_SCC_TXCS_MASK, 0x4) +#define TSA_CPM1_SICR_SCC_TXCS_CLK26 FIELD_PREP_CONST(TSA_CPM1_SICR_SCC_TXCS_MASK, 0x5) +#define TSA_CPM1_SICR_SCC_TXCS_CLK37 FIELD_PREP_CONST(TSA_CPM1_SICR_SCC_TXCS_MASK, 0x6) +#define TSA_CPM1_SICR_SCC_TXCS_CLK48 FIELD_PREP_CONST(TSA_CPM1_SICR_SCC_TXCS_MASK, 0x7) struct tsa_entries_area { void __iomem *entries_start; @@ -114,15 +146,31 @@ struct tsa_tdm { #define TSA_TDMA 0 #define TSA_TDMB 1 +#define TSA_TDMC 2 /* QE implementation only */ +#define TSA_TDMD 3 /* QE implementation only */ + +enum tsa_version { + TSA_CPM1 = 1, /* Avoid 0 value */ + TSA_QE, +}; struct tsa { struct device *dev; void __iomem *si_regs; void __iomem *si_ram; resource_size_t si_ram_sz; - spinlock_t lock; + spinlock_t lock; /* Lock for read/modify/write sequence */ + enum tsa_version version; int tdms; /* TSA_TDMx ORed */ +#if IS_ENABLED(CONFIG_QUICC_ENGINE) + struct tsa_tdm tdm[4]; /* TDMa, TDMb, TDMc and TDMd */ +#else struct tsa_tdm tdm[2]; /* TDMa and TDMb */ +#endif + /* Same number of serials for CPM1 and QE: + * CPM1: NU, 3 SCCs and 2 SMCs + * QE: NU and 5 UCCs + */ struct tsa_serial { unsigned int id; struct tsa_serial_info info; @@ -140,7 +188,12 @@ static inline void tsa_write32(void __iomem *addr, u32 val) iowrite32be(val, addr); } -static inline void tsa_write8(void __iomem *addr, u32 val) +static inline void tsa_write16(void __iomem *addr, u16 val) +{ + iowrite16be(val, addr); +} + +static inline void tsa_write8(void __iomem *addr, u8 val) { iowrite8(val, addr); } @@ -150,17 +203,68 @@ static inline u32 tsa_read32(void __iomem *addr) return ioread32be(addr); } +static inline u16 tsa_read16(void __iomem *addr) +{ + return ioread16be(addr); +} + static inline void tsa_clrbits32(void __iomem *addr, u32 clr) { tsa_write32(addr, tsa_read32(addr) & ~clr); } +static inline void tsa_clrbits16(void __iomem *addr, u16 clr) +{ + tsa_write16(addr, tsa_read16(addr) & ~clr); +} + static inline void tsa_clrsetbits32(void __iomem *addr, u32 clr, u32 set) { tsa_write32(addr, (tsa_read32(addr) & ~clr) | set); } -int tsa_serial_connect(struct tsa_serial *tsa_serial) +static bool tsa_is_qe(const struct tsa *tsa) +{ + if (IS_ENABLED(CONFIG_QUICC_ENGINE) && IS_ENABLED(CONFIG_CPM)) + return tsa->version == TSA_QE; + + return IS_ENABLED(CONFIG_QUICC_ENGINE); +} + +static int tsa_qe_serial_get_num(struct tsa_serial *tsa_serial) +{ + struct tsa *tsa = tsa_serial_get_tsa(tsa_serial); + + switch (tsa_serial->id) { + case FSL_QE_TSA_UCC1: return 0; + case FSL_QE_TSA_UCC2: return 1; + case FSL_QE_TSA_UCC3: return 2; + case FSL_QE_TSA_UCC4: return 3; + case FSL_QE_TSA_UCC5: return 4; + default: + break; + } + + dev_err(tsa->dev, "Unsupported serial id %u\n", tsa_serial->id); + return -EINVAL; +} + +int tsa_serial_get_num(struct tsa_serial *tsa_serial) +{ + struct tsa *tsa = tsa_serial_get_tsa(tsa_serial); + + /* + * There is no need to get the serial num out of the TSA driver in the + * CPM case. + * Further more, in CPM, we can have 2 types of serial SCCs and FCCs. + * What kind of numbering to use that can be global to both SCCs and + * FCCs ? + */ + return tsa_is_qe(tsa) ? tsa_qe_serial_get_num(tsa_serial) : -EOPNOTSUPP; +} +EXPORT_SYMBOL(tsa_serial_get_num); + +static int tsa_cpm1_serial_connect(struct tsa_serial *tsa_serial, bool connect) { struct tsa *tsa = tsa_serial_get_tsa(tsa_serial); unsigned long flags; @@ -169,16 +273,16 @@ int tsa_serial_connect(struct tsa_serial *tsa_serial) switch (tsa_serial->id) { case FSL_CPM_TSA_SCC2: - clear = TSA_SICR_SCC2(TSA_SICR_SCC_MASK); - set = TSA_SICR_SCC2(TSA_SICR_SCC_SCX_TSA); + clear = TSA_CPM1_SICR_SCC2(TSA_CPM1_SICR_SCC_MASK); + set = TSA_CPM1_SICR_SCC2(TSA_CPM1_SICR_SCC_SCX_TSA); break; case FSL_CPM_TSA_SCC3: - clear = TSA_SICR_SCC3(TSA_SICR_SCC_MASK); - set = TSA_SICR_SCC3(TSA_SICR_SCC_SCX_TSA); + clear = TSA_CPM1_SICR_SCC3(TSA_CPM1_SICR_SCC_MASK); + set = TSA_CPM1_SICR_SCC3(TSA_CPM1_SICR_SCC_SCX_TSA); break; case FSL_CPM_TSA_SCC4: - clear = TSA_SICR_SCC4(TSA_SICR_SCC_MASK); - set = TSA_SICR_SCC4(TSA_SICR_SCC_SCX_TSA); + clear = TSA_CPM1_SICR_SCC4(TSA_CPM1_SICR_SCC_MASK); + set = TSA_CPM1_SICR_SCC4(TSA_CPM1_SICR_SCC_SCX_TSA); break; default: dev_err(tsa->dev, "Unsupported serial id %u\n", tsa_serial->id); @@ -186,40 +290,53 @@ int tsa_serial_connect(struct tsa_serial *tsa_serial) } spin_lock_irqsave(&tsa->lock, flags); - tsa_clrsetbits32(tsa->si_regs + TSA_SICR, clear, set); + tsa_clrsetbits32(tsa->si_regs + TSA_CPM1_SICR, clear, + connect ? set : 0); spin_unlock_irqrestore(&tsa->lock, flags); return 0; } -EXPORT_SYMBOL(tsa_serial_connect); -int tsa_serial_disconnect(struct tsa_serial *tsa_serial) +static int tsa_qe_serial_connect(struct tsa_serial *tsa_serial, bool connect) { struct tsa *tsa = tsa_serial_get_tsa(tsa_serial); unsigned long flags; - u32 clear; + int ucc_num; + int ret; - switch (tsa_serial->id) { - case FSL_CPM_TSA_SCC2: - clear = TSA_SICR_SCC2(TSA_SICR_SCC_MASK); - break; - case FSL_CPM_TSA_SCC3: - clear = TSA_SICR_SCC3(TSA_SICR_SCC_MASK); - break; - case FSL_CPM_TSA_SCC4: - clear = TSA_SICR_SCC4(TSA_SICR_SCC_MASK); - break; - default: - dev_err(tsa->dev, "Unsupported serial id %u\n", tsa_serial->id); - return -EINVAL; - } + ucc_num = tsa_qe_serial_get_num(tsa_serial); + if (ucc_num < 0) + return ucc_num; spin_lock_irqsave(&tsa->lock, flags); - tsa_clrsetbits32(tsa->si_regs + TSA_SICR, clear, 0); + ret = ucc_set_qe_mux_tsa(ucc_num, connect); spin_unlock_irqrestore(&tsa->lock, flags); - + if (ret) { + dev_err(tsa->dev, "Connect serial id %u to TSA failed (%d)\n", + tsa_serial->id, ret); + return ret; + } return 0; } + +int tsa_serial_connect(struct tsa_serial *tsa_serial) +{ + struct tsa *tsa = tsa_serial_get_tsa(tsa_serial); + + return tsa_is_qe(tsa) ? + tsa_qe_serial_connect(tsa_serial, true) : + tsa_cpm1_serial_connect(tsa_serial, true); +} +EXPORT_SYMBOL(tsa_serial_connect); + +int tsa_serial_disconnect(struct tsa_serial *tsa_serial) +{ + struct tsa *tsa = tsa_serial_get_tsa(tsa_serial); + + return tsa_is_qe(tsa) ? + tsa_qe_serial_connect(tsa_serial, false) : + tsa_cpm1_serial_connect(tsa_serial, false); +} EXPORT_SYMBOL(tsa_serial_disconnect); int tsa_serial_get_info(struct tsa_serial *tsa_serial, struct tsa_serial_info *info) @@ -229,14 +346,14 @@ int tsa_serial_get_info(struct tsa_serial *tsa_serial, struct tsa_serial_info *i } EXPORT_SYMBOL(tsa_serial_get_info); -static void tsa_init_entries_area(struct tsa *tsa, struct tsa_entries_area *area, - u32 tdms, u32 tdm_id, bool is_rx) +static void tsa_cpm1_init_entries_area(struct tsa *tsa, struct tsa_entries_area *area, + u32 tdms, u32 tdm_id, bool is_rx) { resource_size_t quarter; resource_size_t half; - quarter = tsa->si_ram_sz/4; - half = tsa->si_ram_sz/2; + quarter = tsa->si_ram_sz / 4; + half = tsa->si_ram_sz / 2; if (tdms == BIT(TSA_TDMA)) { /* Only TDMA */ @@ -281,7 +398,42 @@ static void tsa_init_entries_area(struct tsa *tsa, struct tsa_entries_area *area } } -static const char *tsa_serial_id2name(struct tsa *tsa, u32 serial_id) +static void tsa_qe_init_entries_area(struct tsa *tsa, struct tsa_entries_area *area, + u32 tdms, u32 tdm_id, bool is_rx) +{ + resource_size_t eighth; + resource_size_t half; + + eighth = tsa->si_ram_sz / 8; + half = tsa->si_ram_sz / 2; + + /* + * One half of the SI RAM used for Tx, the other one for Rx. + * In each half, 1/4 of the area is assigned to each TDM. + */ + if (is_rx) { + /* Rx: Second half of si_ram */ + area->entries_start = tsa->si_ram + half + (eighth * tdm_id); + area->entries_next = area->entries_start + eighth; + area->last_entry = NULL; + } else { + /* Tx: First half of si_ram */ + area->entries_start = tsa->si_ram + (eighth * tdm_id); + area->entries_next = area->entries_start + eighth; + area->last_entry = NULL; + } +} + +static void tsa_init_entries_area(struct tsa *tsa, struct tsa_entries_area *area, + u32 tdms, u32 tdm_id, bool is_rx) +{ + if (tsa_is_qe(tsa)) + tsa_qe_init_entries_area(tsa, area, tdms, tdm_id, is_rx); + else + tsa_cpm1_init_entries_area(tsa, area, tdms, tdm_id, is_rx); +} + +static const char *tsa_cpm1_serial_id2name(struct tsa *tsa, u32 serial_id) { switch (serial_id) { case FSL_CPM_TSA_NU: return "Not used"; @@ -296,22 +448,44 @@ static const char *tsa_serial_id2name(struct tsa *tsa, u32 serial_id) return NULL; } -static u32 tsa_serial_id2csel(struct tsa *tsa, u32 serial_id) +static const char *tsa_qe_serial_id2name(struct tsa *tsa, u32 serial_id) { switch (serial_id) { - case FSL_CPM_TSA_SCC2: return TSA_SIRAM_ENTRY_CSEL_SCC2; - case FSL_CPM_TSA_SCC3: return TSA_SIRAM_ENTRY_CSEL_SCC3; - case FSL_CPM_TSA_SCC4: return TSA_SIRAM_ENTRY_CSEL_SCC4; - case FSL_CPM_TSA_SMC1: return TSA_SIRAM_ENTRY_CSEL_SMC1; - case FSL_CPM_TSA_SMC2: return TSA_SIRAM_ENTRY_CSEL_SMC2; + case FSL_QE_TSA_NU: return "Not used"; + case FSL_QE_TSA_UCC1: return "UCC1"; + case FSL_QE_TSA_UCC2: return "UCC2"; + case FSL_QE_TSA_UCC3: return "UCC3"; + case FSL_QE_TSA_UCC4: return "UCC4"; + case FSL_QE_TSA_UCC5: return "UCC5"; default: break; } - return TSA_SIRAM_ENTRY_CSEL_NU; + return NULL; } -static int tsa_add_entry(struct tsa *tsa, struct tsa_entries_area *area, - u32 count, u32 serial_id) +static const char *tsa_serial_id2name(struct tsa *tsa, u32 serial_id) +{ + return tsa_is_qe(tsa) ? + tsa_qe_serial_id2name(tsa, serial_id) : + tsa_cpm1_serial_id2name(tsa, serial_id); +} + +static u32 tsa_cpm1_serial_id2csel(struct tsa *tsa, u32 serial_id) +{ + switch (serial_id) { + case FSL_CPM_TSA_SCC2: return TSA_CPM1_SIRAM_ENTRY_CSEL_SCC2; + case FSL_CPM_TSA_SCC3: return TSA_CPM1_SIRAM_ENTRY_CSEL_SCC3; + case FSL_CPM_TSA_SCC4: return TSA_CPM1_SIRAM_ENTRY_CSEL_SCC4; + case FSL_CPM_TSA_SMC1: return TSA_CPM1_SIRAM_ENTRY_CSEL_SMC1; + case FSL_CPM_TSA_SMC2: return TSA_CPM1_SIRAM_ENTRY_CSEL_SMC2; + default: + break; + } + return TSA_CPM1_SIRAM_ENTRY_CSEL_NU; +} + +static int tsa_cpm1_add_entry(struct tsa *tsa, struct tsa_entries_area *area, + u32 count, u32 serial_id) { void __iomem *addr; u32 left; @@ -329,21 +503,21 @@ static int tsa_add_entry(struct tsa *tsa, struct tsa_entries_area *area, if (area->last_entry) { /* Clear last flag */ - tsa_clrbits32(area->last_entry, TSA_SIRAM_ENTRY_LAST); + tsa_clrbits32(area->last_entry, TSA_CPM1_SIRAM_ENTRY_LAST); } left = count; while (left) { - val = TSA_SIRAM_ENTRY_BYTE | tsa_serial_id2csel(tsa, serial_id); + val = TSA_CPM1_SIRAM_ENTRY_BYTE | tsa_cpm1_serial_id2csel(tsa, serial_id); if (left > 16) { cnt = 16; } else { cnt = left; - val |= TSA_SIRAM_ENTRY_LAST; + val |= TSA_CPM1_SIRAM_ENTRY_LAST; area->last_entry = addr; } - val |= TSA_SIRAM_ENTRY_CNT(cnt - 1); + val |= TSA_CPM1_SIRAM_ENTRY_CNT(cnt - 1); tsa_write32(addr, val); addr += 4; @@ -353,6 +527,71 @@ static int tsa_add_entry(struct tsa *tsa, struct tsa_entries_area *area, return 0; } +static u32 tsa_qe_serial_id2csel(struct tsa *tsa, u32 serial_id) +{ + switch (serial_id) { + case FSL_QE_TSA_UCC1: return TSA_QE_SIRAM_ENTRY_CSEL_UCC1; + case FSL_QE_TSA_UCC2: return TSA_QE_SIRAM_ENTRY_CSEL_UCC2; + case FSL_QE_TSA_UCC3: return TSA_QE_SIRAM_ENTRY_CSEL_UCC3; + case FSL_QE_TSA_UCC4: return TSA_QE_SIRAM_ENTRY_CSEL_UCC4; + case FSL_QE_TSA_UCC5: return TSA_QE_SIRAM_ENTRY_CSEL_UCC5; + default: + break; + } + return TSA_QE_SIRAM_ENTRY_CSEL_NU; +} + +static int tsa_qe_add_entry(struct tsa *tsa, struct tsa_entries_area *area, + u32 count, u32 serial_id) +{ + void __iomem *addr; + u32 left; + u32 val; + u32 cnt; + u32 nb; + + addr = area->last_entry ? area->last_entry + 2 : area->entries_start; + + nb = DIV_ROUND_UP(count, 8); + if ((addr + (nb * 2)) > area->entries_next) { + dev_err(tsa->dev, "si ram area full\n"); + return -ENOSPC; + } + + if (area->last_entry) { + /* Clear last flag */ + tsa_clrbits16(area->last_entry, TSA_QE_SIRAM_ENTRY_LAST); + } + + left = count; + while (left) { + val = TSA_QE_SIRAM_ENTRY_BYTE | tsa_qe_serial_id2csel(tsa, serial_id); + + if (left > 8) { + cnt = 8; + } else { + cnt = left; + val |= TSA_QE_SIRAM_ENTRY_LAST; + area->last_entry = addr; + } + val |= TSA_QE_SIRAM_ENTRY_CNT(cnt - 1); + + tsa_write16(addr, val); + addr += 2; + left -= cnt; + } + + return 0; +} + +static int tsa_add_entry(struct tsa *tsa, struct tsa_entries_area *area, + u32 count, u32 serial_id) +{ + return tsa_is_qe(tsa) ? + tsa_qe_add_entry(tsa, area, count, serial_id) : + tsa_cpm1_add_entry(tsa, area, count, serial_id); +} + static int tsa_of_parse_tdm_route(struct tsa *tsa, struct device_node *tdm_np, u32 tdms, u32 tdm_id, bool is_rx) { @@ -399,7 +638,7 @@ static int tsa_of_parse_tdm_route(struct tsa *tsa, struct device_node *tdm_np, } dev_dbg(tsa->dev, "tdm_id=%u, %s ts %u..%u -> %s\n", - tdm_id, route_name, ts, ts+count-1, serial_name); + tdm_id, route_name, ts, ts + count - 1, serial_name); ts += count; ret = tsa_add_entry(tsa, &area, count, serial_id); @@ -449,8 +688,8 @@ static int tsa_of_parse_tdms(struct tsa *tsa, struct device_node *np) int i; tsa->tdms = 0; - tsa->tdm[0].is_enable = false; - tsa->tdm[1].is_enable = false; + for (i = 0; i < ARRAY_SIZE(tsa->tdm); i++) + tsa->tdm[i].is_enable = false; for_each_available_child_of_node(np, tdm_np) { ret = of_property_read_u32(tdm_np, "reg", &tdm_id); @@ -466,7 +705,18 @@ static int tsa_of_parse_tdms(struct tsa *tsa, struct device_node *np) case 1: tsa->tdms |= BIT(TSA_TDMB); break; + case 2: + if (!tsa_is_qe(tsa)) + goto invalid_tdm; /* Not available on CPM1 */ + tsa->tdms |= BIT(TSA_TDMC); + break; + case 3: + if (!tsa_is_qe(tsa)) + goto invalid_tdm; /* Not available on CPM1 */ + tsa->tdms |= BIT(TSA_TDMD); + break; default: +invalid_tdm: dev_err(tsa->dev, "%pOF: Invalid tdm_id (%u)\n", tdm_np, tdm_id); of_node_put(tdm_np); @@ -532,10 +782,14 @@ static int tsa_of_parse_tdms(struct tsa *tsa, struct device_node *np) if (of_property_read_bool(tdm_np, "fsl,fsync-rising-edge")) tdm->simode_tdm |= TSA_SIMODE_TDM_FE; + if (tsa_is_qe(tsa) && + of_property_read_bool(tdm_np, "fsl,fsync-active-low")) + tdm->simode_tdm |= TSA_QE_SIMODE_TDM_SL; + if (of_property_read_bool(tdm_np, "fsl,double-speed-clock")) tdm->simode_tdm |= TSA_SIMODE_TDM_DSC; - clk = of_clk_get_by_name(tdm_np, "l1rsync"); + clk = of_clk_get_by_name(tdm_np, tsa_is_qe(tsa) ? "rsync" : "l1rsync"); if (IS_ERR(clk)) { ret = PTR_ERR(clk); of_node_put(tdm_np); @@ -549,7 +803,7 @@ static int tsa_of_parse_tdms(struct tsa *tsa, struct device_node *np) } tdm->l1rsync_clk = clk; - clk = of_clk_get_by_name(tdm_np, "l1rclk"); + clk = of_clk_get_by_name(tdm_np, tsa_is_qe(tsa) ? "rclk" : "l1rclk"); if (IS_ERR(clk)) { ret = PTR_ERR(clk); of_node_put(tdm_np); @@ -564,7 +818,7 @@ static int tsa_of_parse_tdms(struct tsa *tsa, struct device_node *np) tdm->l1rclk_clk = clk; if (!(tdm->simode_tdm & TSA_SIMODE_TDM_CRT)) { - clk = of_clk_get_by_name(tdm_np, "l1tsync"); + clk = of_clk_get_by_name(tdm_np, tsa_is_qe(tsa) ? "tsync" : "l1tsync"); if (IS_ERR(clk)) { ret = PTR_ERR(clk); of_node_put(tdm_np); @@ -578,7 +832,7 @@ static int tsa_of_parse_tdms(struct tsa *tsa, struct device_node *np) } tdm->l1tsync_clk = clk; - clk = of_clk_get_by_name(tdm_np, "l1tclk"); + clk = of_clk_get_by_name(tdm_np, tsa_is_qe(tsa) ? "tclk" : "l1tclk"); if (IS_ERR(clk)) { ret = PTR_ERR(clk); of_node_put(tdm_np); @@ -593,6 +847,17 @@ static int tsa_of_parse_tdms(struct tsa *tsa, struct device_node *np) tdm->l1tclk_clk = clk; } + if (tsa_is_qe(tsa)) { + /* + * The starting address for TSA table must be set. + * 512 entries for Tx and 512 entries for Rx are + * available for 4 TDMs. + * We assign entries equally -> 128 Rx/Tx entries per + * TDM. In other words, 4 blocks of 32 entries per TDM. + */ + tdm->simode_tdm |= TSA_QE_SIMODE_TDM_SAD(4 * tdm_id); + } + ret = tsa_of_parse_tdm_rx_route(tsa, tdm_np, tsa->tdms, tdm_id); if (ret) { of_node_put(tdm_np); @@ -610,7 +875,7 @@ static int tsa_of_parse_tdms(struct tsa *tsa, struct device_node *np) return 0; err: - for (i = 0; i < 2; i++) { + for (i = 0; i < ARRAY_SIZE(tsa->tdm); i++) { if (tsa->tdm[i].l1rsync_clk) { clk_disable_unprepare(tsa->tdm[i].l1rsync_clk); clk_put(tsa->tdm[i].l1rsync_clk); @@ -636,8 +901,87 @@ static void tsa_init_si_ram(struct tsa *tsa) resource_size_t i; /* Fill all entries as the last one */ - for (i = 0; i < tsa->si_ram_sz; i += 4) - tsa_write32(tsa->si_ram + i, TSA_SIRAM_ENTRY_LAST); + if (tsa_is_qe(tsa)) { + for (i = 0; i < tsa->si_ram_sz; i += 2) + tsa_write16(tsa->si_ram + i, TSA_QE_SIRAM_ENTRY_LAST); + } else { + for (i = 0; i < tsa->si_ram_sz; i += 4) + tsa_write32(tsa->si_ram + i, TSA_CPM1_SIRAM_ENTRY_LAST); + } +} + +static int tsa_cpm1_setup(struct tsa *tsa) +{ + u32 val; + + /* Set SIMODE */ + val = 0; + if (tsa->tdm[0].is_enable) + val |= TSA_CPM1_SIMODE_TDMA(tsa->tdm[0].simode_tdm); + if (tsa->tdm[1].is_enable) + val |= TSA_CPM1_SIMODE_TDMB(tsa->tdm[1].simode_tdm); + + tsa_clrsetbits32(tsa->si_regs + TSA_CPM1_SIMODE, + TSA_CPM1_SIMODE_TDMA(TSA_CPM1_SIMODE_TDM_MASK) | + TSA_CPM1_SIMODE_TDMB(TSA_CPM1_SIMODE_TDM_MASK), + val); + + /* Set SIGMR */ + val = (tsa->tdms == BIT(TSA_TDMA)) ? + TSA_CPM1_SIGMR_RDM_STATIC_TDMA : TSA_CPM1_SIGMR_RDM_STATIC_TDMAB; + if (tsa->tdms & BIT(TSA_TDMA)) + val |= TSA_CPM1_SIGMR_ENA; + if (tsa->tdms & BIT(TSA_TDMB)) + val |= TSA_CPM1_SIGMR_ENB; + tsa_write8(tsa->si_regs + TSA_CPM1_SIGMR, val); + + return 0; +} + +static int tsa_qe_setup(struct tsa *tsa) +{ + unsigned int sixmr; + u8 siglmrh = 0; + unsigned int i; + + for (i = 0; i < ARRAY_SIZE(tsa->tdm); i++) { + if (!tsa->tdm[i].is_enable) + continue; + + switch (i) { + case 0: + sixmr = TSA_QE_SIAMR; + siglmrh |= TSA_QE_SIGLMRH_ENA; + break; + case 1: + sixmr = TSA_QE_SIBMR; + siglmrh |= TSA_QE_SIGLMRH_ENB; + break; + case 2: + sixmr = TSA_QE_SICMR; + siglmrh |= TSA_QE_SIGLMRH_ENC; + break; + case 3: + sixmr = TSA_QE_SIDMR; + siglmrh |= TSA_QE_SIGLMRH_END; + break; + default: + return -EINVAL; + } + + /* Set SI mode register */ + tsa_write16(tsa->si_regs + sixmr, tsa->tdm[i].simode_tdm); + } + + /* Enable TDMs */ + tsa_write8(tsa->si_regs + TSA_QE_SIGLMRH, siglmrh); + + return 0; +} + +static int tsa_setup(struct tsa *tsa) +{ + return tsa_is_qe(tsa) ? tsa_qe_setup(tsa) : tsa_cpm1_setup(tsa); } static int tsa_probe(struct platform_device *pdev) @@ -646,7 +990,6 @@ static int tsa_probe(struct platform_device *pdev) struct resource *res; struct tsa *tsa; unsigned int i; - u32 val; int ret; tsa = devm_kzalloc(&pdev->dev, sizeof(*tsa), GFP_KERNEL); @@ -654,6 +997,18 @@ static int tsa_probe(struct platform_device *pdev) return -ENOMEM; tsa->dev = &pdev->dev; + tsa->version = (enum tsa_version)(uintptr_t)of_device_get_match_data(&pdev->dev); + switch (tsa->version) { + case TSA_CPM1: + dev_info(tsa->dev, "CPM1 version\n"); + break; + case TSA_QE: + dev_info(tsa->dev, "QE version\n"); + break; + default: + dev_err(tsa->dev, "Unknown version (%d)\n", tsa->version); + return -EINVAL; + } for (i = 0; i < ARRAY_SIZE(tsa->serials); i++) tsa->serials[i].id = i; @@ -680,26 +1035,9 @@ static int tsa_probe(struct platform_device *pdev) if (ret) return ret; - /* Set SIMODE */ - val = 0; - if (tsa->tdm[0].is_enable) - val |= TSA_SIMODE_TDMA(tsa->tdm[0].simode_tdm); - if (tsa->tdm[1].is_enable) - val |= TSA_SIMODE_TDMB(tsa->tdm[1].simode_tdm); - - tsa_clrsetbits32(tsa->si_regs + TSA_SIMODE, - TSA_SIMODE_TDMA(TSA_SIMODE_TDM_MASK) | - TSA_SIMODE_TDMB(TSA_SIMODE_TDM_MASK), - val); - - /* Set SIGMR */ - val = (tsa->tdms == BIT(TSA_TDMA)) ? - TSA_SIGMR_RDM_STATIC_TDMA : TSA_SIGMR_RDM_STATIC_TDMAB; - if (tsa->tdms & BIT(TSA_TDMA)) - val |= TSA_SIGMR_ENA; - if (tsa->tdms & BIT(TSA_TDMB)) - val |= TSA_SIGMR_ENB; - tsa_write8(tsa->si_regs + TSA_SIGMR, val); + ret = tsa_setup(tsa); + if (ret) + return ret; platform_set_drvdata(pdev, tsa); @@ -711,7 +1049,7 @@ static void tsa_remove(struct platform_device *pdev) struct tsa *tsa = platform_get_drvdata(pdev); int i; - for (i = 0; i < 2; i++) { + for (i = 0; i < ARRAY_SIZE(tsa->tdm); i++) { if (tsa->tdm[i].l1rsync_clk) { clk_disable_unprepare(tsa->tdm[i].l1rsync_clk); clk_put(tsa->tdm[i].l1rsync_clk); @@ -732,7 +1070,12 @@ static void tsa_remove(struct platform_device *pdev) } static const struct of_device_id tsa_id_table[] = { - { .compatible = "fsl,cpm1-tsa" }, +#if IS_ENABLED(CONFIG_CPM1) + { .compatible = "fsl,cpm1-tsa", .data = (void *)TSA_CPM1 }, +#endif +#if IS_ENABLED(CONFIG_QUICC_ENGINE) + { .compatible = "fsl,qe-tsa", .data = (void *)TSA_QE }, +#endif {} /* sentinel */ }; MODULE_DEVICE_TABLE(of, tsa_id_table); @@ -841,5 +1184,5 @@ struct tsa_serial *devm_tsa_serial_get_byphandle(struct device *dev, EXPORT_SYMBOL(devm_tsa_serial_get_byphandle); MODULE_AUTHOR("Herve Codina <herve.codina@bootlin.com>"); -MODULE_DESCRIPTION("CPM TSA driver"); +MODULE_DESCRIPTION("CPM/QE TSA driver"); MODULE_LICENSE("GPL"); diff --git a/drivers/soc/fsl/qe/tsa.h b/drivers/soc/fsl/qe/tsa.h index d9df89b6da3e..da137bc0f49b 100644 --- a/drivers/soc/fsl/qe/tsa.h +++ b/drivers/soc/fsl/qe/tsa.h @@ -39,4 +39,7 @@ struct tsa_serial_info { /* Get information */ int tsa_serial_get_info(struct tsa_serial *tsa_serial, struct tsa_serial_info *info); +/* Get serial number */ +int tsa_serial_get_num(struct tsa_serial *tsa_serial); + #endif /* __SOC_FSL_TSA_H__ */ diff --git a/drivers/soc/fsl/qe/ucc.c b/drivers/soc/fsl/qe/ucc.c index 21dbcd787cd5..892aa5931d5b 100644 --- a/drivers/soc/fsl/qe/ucc.c +++ b/drivers/soc/fsl/qe/ucc.c @@ -114,6 +114,7 @@ int ucc_mux_set_grant_tsa_bkpt(unsigned int ucc_num, int set, u32 mask) return 0; } +EXPORT_SYMBOL(ucc_mux_set_grant_tsa_bkpt); int ucc_set_qe_mux_rxtx(unsigned int ucc_num, enum qe_clock clock, enum comm_dir mode) diff --git a/drivers/soc/mediatek/mtk-mutex.c b/drivers/soc/mediatek/mtk-mutex.c index 01b129caf1eb..5250c1d702eb 100644 --- a/drivers/soc/mediatek/mtk-mutex.c +++ b/drivers/soc/mediatek/mtk-mutex.c @@ -327,11 +327,11 @@ enum mtk_mutex_sof_id { }; struct mtk_mutex_data { - const unsigned int *mutex_mod; - const unsigned int *mutex_sof; - const unsigned int mutex_mod_reg; - const unsigned int mutex_sof_reg; - const unsigned int *mutex_table_mod; + const u8 *mutex_mod; + const u8 *mutex_table_mod; + const u16 *mutex_sof; + const u16 mutex_mod_reg; + const u16 mutex_sof_reg; const bool no_clk; }; @@ -345,7 +345,7 @@ struct mtk_mutex_ctx { struct cmdq_client_reg cmdq_reg; }; -static const unsigned int mt2701_mutex_mod[DDP_COMPONENT_ID_MAX] = { +static const u8 mt2701_mutex_mod[DDP_COMPONENT_ID_MAX] = { [DDP_COMPONENT_BLS] = MT2701_MUTEX_MOD_DISP_BLS, [DDP_COMPONENT_COLOR0] = MT2701_MUTEX_MOD_DISP_COLOR, [DDP_COMPONENT_OVL0] = MT2701_MUTEX_MOD_DISP_OVL, @@ -354,7 +354,7 @@ static const unsigned int mt2701_mutex_mod[DDP_COMPONENT_ID_MAX] = { [DDP_COMPONENT_WDMA0] = MT2701_MUTEX_MOD_DISP_WDMA, }; -static const unsigned int mt2712_mutex_mod[DDP_COMPONENT_ID_MAX] = { +static const u8 mt2712_mutex_mod[DDP_COMPONENT_ID_MAX] = { [DDP_COMPONENT_AAL0] = MT2712_MUTEX_MOD_DISP_AAL0, [DDP_COMPONENT_AAL1] = MT2712_MUTEX_MOD2_DISP_AAL1, [DDP_COMPONENT_COLOR0] = MT2712_MUTEX_MOD_DISP_COLOR0, @@ -374,7 +374,7 @@ static const unsigned int mt2712_mutex_mod[DDP_COMPONENT_ID_MAX] = { [DDP_COMPONENT_WDMA1] = MT2712_MUTEX_MOD_DISP_WDMA1, }; -static const unsigned int mt8167_mutex_mod[DDP_COMPONENT_ID_MAX] = { +static const u8 mt8167_mutex_mod[DDP_COMPONENT_ID_MAX] = { [DDP_COMPONENT_AAL0] = MT8167_MUTEX_MOD_DISP_AAL, [DDP_COMPONENT_CCORR] = MT8167_MUTEX_MOD_DISP_CCORR, [DDP_COMPONENT_COLOR0] = MT8167_MUTEX_MOD_DISP_COLOR, @@ -389,7 +389,7 @@ static const unsigned int mt8167_mutex_mod[DDP_COMPONENT_ID_MAX] = { [DDP_COMPONENT_WDMA0] = MT8167_MUTEX_MOD_DISP_WDMA0, }; -static const unsigned int mt8173_mutex_mod[DDP_COMPONENT_ID_MAX] = { +static const u8 mt8173_mutex_mod[DDP_COMPONENT_ID_MAX] = { [DDP_COMPONENT_AAL0] = MT8173_MUTEX_MOD_DISP_AAL, [DDP_COMPONENT_COLOR0] = MT8173_MUTEX_MOD_DISP_COLOR0, [DDP_COMPONENT_COLOR1] = MT8173_MUTEX_MOD_DISP_COLOR1, @@ -407,7 +407,7 @@ static const unsigned int mt8173_mutex_mod[DDP_COMPONENT_ID_MAX] = { [DDP_COMPONENT_WDMA1] = MT8173_MUTEX_MOD_DISP_WDMA1, }; -static const unsigned int mt8183_mutex_mod[DDP_COMPONENT_ID_MAX] = { +static const u8 mt8183_mutex_mod[DDP_COMPONENT_ID_MAX] = { [DDP_COMPONENT_AAL0] = MT8183_MUTEX_MOD_DISP_AAL0, [DDP_COMPONENT_CCORR] = MT8183_MUTEX_MOD_DISP_CCORR0, [DDP_COMPONENT_COLOR0] = MT8183_MUTEX_MOD_DISP_COLOR0, @@ -421,7 +421,7 @@ static const unsigned int mt8183_mutex_mod[DDP_COMPONENT_ID_MAX] = { [DDP_COMPONENT_WDMA0] = MT8183_MUTEX_MOD_DISP_WDMA0, }; -static const unsigned int mt8183_mutex_table_mod[MUTEX_MOD_IDX_MAX] = { +static const u8 mt8183_mutex_table_mod[MUTEX_MOD_IDX_MAX] = { [MUTEX_MOD_IDX_MDP_RDMA0] = MT8183_MUTEX_MOD_MDP_RDMA0, [MUTEX_MOD_IDX_MDP_RSZ0] = MT8183_MUTEX_MOD_MDP_RSZ0, [MUTEX_MOD_IDX_MDP_RSZ1] = MT8183_MUTEX_MOD_MDP_RSZ1, @@ -432,7 +432,7 @@ static const unsigned int mt8183_mutex_table_mod[MUTEX_MOD_IDX_MAX] = { [MUTEX_MOD_IDX_MDP_CCORR0] = MT8183_MUTEX_MOD_MDP_CCORR0, }; -static const unsigned int mt8186_mutex_mod[DDP_COMPONENT_ID_MAX] = { +static const u8 mt8186_mutex_mod[DDP_COMPONENT_ID_MAX] = { [DDP_COMPONENT_AAL0] = MT8186_MUTEX_MOD_DISP_AAL0, [DDP_COMPONENT_CCORR] = MT8186_MUTEX_MOD_DISP_CCORR0, [DDP_COMPONENT_COLOR0] = MT8186_MUTEX_MOD_DISP_COLOR0, @@ -445,7 +445,7 @@ static const unsigned int mt8186_mutex_mod[DDP_COMPONENT_ID_MAX] = { [DDP_COMPONENT_RDMA1] = MT8186_MUTEX_MOD_DISP_RDMA1, }; -static const unsigned int mt8186_mdp_mutex_table_mod[MUTEX_MOD_IDX_MAX] = { +static const u8 mt8186_mdp_mutex_table_mod[MUTEX_MOD_IDX_MAX] = { [MUTEX_MOD_IDX_MDP_RDMA0] = MT8186_MUTEX_MOD_MDP_RDMA0, [MUTEX_MOD_IDX_MDP_RSZ0] = MT8186_MUTEX_MOD_MDP_RSZ0, [MUTEX_MOD_IDX_MDP_RSZ1] = MT8186_MUTEX_MOD_MDP_RSZ1, @@ -456,7 +456,7 @@ static const unsigned int mt8186_mdp_mutex_table_mod[MUTEX_MOD_IDX_MAX] = { [MUTEX_MOD_IDX_MDP_COLOR0] = MT8186_MUTEX_MOD_MDP_COLOR0, }; -static const unsigned int mt8188_mutex_mod[DDP_COMPONENT_ID_MAX] = { +static const u8 mt8188_mutex_mod[DDP_COMPONENT_ID_MAX] = { [DDP_COMPONENT_OVL0] = MT8188_MUTEX_MOD_DISP_OVL0, [DDP_COMPONENT_WDMA0] = MT8188_MUTEX_MOD_DISP_WDMA0, [DDP_COMPONENT_RDMA0] = MT8188_MUTEX_MOD_DISP_RDMA0, @@ -496,7 +496,7 @@ static const unsigned int mt8188_mutex_mod[DDP_COMPONENT_ID_MAX] = { [DDP_COMPONENT_MERGE5] = MT8188_MUTEX_MOD_DISP1_VPP_MERGE4, }; -static const unsigned int mt8188_mdp_mutex_table_mod[MUTEX_MOD_IDX_MAX] = { +static const u8 mt8188_mdp_mutex_table_mod[MUTEX_MOD_IDX_MAX] = { [MUTEX_MOD_IDX_MDP_RDMA0] = MT8195_MUTEX_MOD_MDP_RDMA0, [MUTEX_MOD_IDX_MDP_RDMA2] = MT8195_MUTEX_MOD_MDP_RDMA2, [MUTEX_MOD_IDX_MDP_RDMA3] = MT8195_MUTEX_MOD_MDP_RDMA3, @@ -530,7 +530,7 @@ static const unsigned int mt8188_mdp_mutex_table_mod[MUTEX_MOD_IDX_MAX] = { [MUTEX_MOD_IDX_MDP_WROT3] = MT8195_MUTEX_MOD_MDP_WROT3, }; -static const unsigned int mt8192_mutex_mod[DDP_COMPONENT_ID_MAX] = { +static const u8 mt8192_mutex_mod[DDP_COMPONENT_ID_MAX] = { [DDP_COMPONENT_AAL0] = MT8192_MUTEX_MOD_DISP_AAL0, [DDP_COMPONENT_CCORR] = MT8192_MUTEX_MOD_DISP_CCORR0, [DDP_COMPONENT_COLOR0] = MT8192_MUTEX_MOD_DISP_COLOR0, @@ -544,7 +544,7 @@ static const unsigned int mt8192_mutex_mod[DDP_COMPONENT_ID_MAX] = { [DDP_COMPONENT_RDMA4] = MT8192_MUTEX_MOD_DISP_RDMA4, }; -static const unsigned int mt8195_mutex_mod[DDP_COMPONENT_ID_MAX] = { +static const u8 mt8195_mutex_mod[DDP_COMPONENT_ID_MAX] = { [DDP_COMPONENT_OVL0] = MT8195_MUTEX_MOD_DISP_OVL0, [DDP_COMPONENT_WDMA0] = MT8195_MUTEX_MOD_DISP_WDMA0, [DDP_COMPONENT_RDMA0] = MT8195_MUTEX_MOD_DISP_RDMA0, @@ -575,7 +575,7 @@ static const unsigned int mt8195_mutex_mod[DDP_COMPONENT_ID_MAX] = { [DDP_COMPONENT_DP_INTF1] = MT8195_MUTEX_MOD_DISP1_DP_INTF0, }; -static const unsigned int mt8195_mutex_table_mod[MUTEX_MOD_IDX_MAX] = { +static const u8 mt8195_mutex_table_mod[MUTEX_MOD_IDX_MAX] = { [MUTEX_MOD_IDX_MDP_RDMA0] = MT8195_MUTEX_MOD_MDP_RDMA0, [MUTEX_MOD_IDX_MDP_RDMA1] = MT8195_MUTEX_MOD_MDP_RDMA1, [MUTEX_MOD_IDX_MDP_RDMA2] = MT8195_MUTEX_MOD_MDP_RDMA2, @@ -621,7 +621,7 @@ static const unsigned int mt8195_mutex_table_mod[MUTEX_MOD_IDX_MAX] = { [MUTEX_MOD_IDX_MDP_WROT3] = MT8195_MUTEX_MOD_MDP_WROT3, }; -static const unsigned int mt8365_mutex_mod[DDP_COMPONENT_ID_MAX] = { +static const u8 mt8365_mutex_mod[DDP_COMPONENT_ID_MAX] = { [DDP_COMPONENT_AAL0] = MT8365_MUTEX_MOD_DISP_AAL, [DDP_COMPONENT_CCORR] = MT8365_MUTEX_MOD_DISP_CCORR, [DDP_COMPONENT_COLOR0] = MT8365_MUTEX_MOD_DISP_COLOR0, @@ -637,7 +637,7 @@ static const unsigned int mt8365_mutex_mod[DDP_COMPONENT_ID_MAX] = { [DDP_COMPONENT_WDMA0] = MT8365_MUTEX_MOD_DISP_WDMA0, }; -static const unsigned int mt2712_mutex_sof[DDP_MUTEX_SOF_MAX] = { +static const u16 mt2712_mutex_sof[DDP_MUTEX_SOF_MAX] = { [MUTEX_SOF_SINGLE_MODE] = MUTEX_SOF_SINGLE_MODE, [MUTEX_SOF_DSI0] = MUTEX_SOF_DSI0, [MUTEX_SOF_DSI1] = MUTEX_SOF_DSI1, @@ -647,14 +647,14 @@ static const unsigned int mt2712_mutex_sof[DDP_MUTEX_SOF_MAX] = { [MUTEX_SOF_DSI3] = MUTEX_SOF_DSI3, }; -static const unsigned int mt6795_mutex_sof[DDP_MUTEX_SOF_MAX] = { +static const u16 mt6795_mutex_sof[DDP_MUTEX_SOF_MAX] = { [MUTEX_SOF_SINGLE_MODE] = MUTEX_SOF_SINGLE_MODE, [MUTEX_SOF_DSI0] = MUTEX_SOF_DSI0, [MUTEX_SOF_DSI1] = MUTEX_SOF_DSI1, [MUTEX_SOF_DPI0] = MUTEX_SOF_DPI0, }; -static const unsigned int mt8167_mutex_sof[DDP_MUTEX_SOF_MAX] = { +static const u16 mt8167_mutex_sof[DDP_MUTEX_SOF_MAX] = { [MUTEX_SOF_SINGLE_MODE] = MUTEX_SOF_SINGLE_MODE, [MUTEX_SOF_DSI0] = MUTEX_SOF_DSI0, [MUTEX_SOF_DPI0] = MT8167_MUTEX_SOF_DPI0, @@ -662,13 +662,13 @@ static const unsigned int mt8167_mutex_sof[DDP_MUTEX_SOF_MAX] = { }; /* Add EOF setting so overlay hardware can receive frame done irq */ -static const unsigned int mt8183_mutex_sof[DDP_MUTEX_SOF_MAX] = { +static const u16 mt8183_mutex_sof[DDP_MUTEX_SOF_MAX] = { [MUTEX_SOF_SINGLE_MODE] = MUTEX_SOF_SINGLE_MODE, [MUTEX_SOF_DSI0] = MUTEX_SOF_DSI0 | MT8183_MUTEX_EOF_DSI0, [MUTEX_SOF_DPI0] = MT8183_MUTEX_SOF_DPI0 | MT8183_MUTEX_EOF_DPI0, }; -static const unsigned int mt8186_mutex_sof[MUTEX_SOF_DSI3 + 1] = { +static const u16 mt8186_mutex_sof[MUTEX_SOF_DSI3 + 1] = { [MUTEX_SOF_SINGLE_MODE] = MUTEX_SOF_SINGLE_MODE, [MUTEX_SOF_DSI0] = MT8186_MUTEX_SOF_DSI0 | MT8186_MUTEX_EOF_DSI0, [MUTEX_SOF_DPI0] = MT8186_MUTEX_SOF_DPI0 | MT8186_MUTEX_EOF_DPI0, @@ -682,7 +682,7 @@ static const unsigned int mt8186_mutex_sof[MUTEX_SOF_DSI3 + 1] = { * but also detect the error at end of frame(EAEOF) when EOF signal * arrives. */ -static const unsigned int mt8188_mutex_sof[DDP_MUTEX_SOF_MAX] = { +static const u16 mt8188_mutex_sof[DDP_MUTEX_SOF_MAX] = { [MUTEX_SOF_SINGLE_MODE] = MUTEX_SOF_SINGLE_MODE, [MUTEX_SOF_DSI0] = MT8188_MUTEX_SOF_DSI0 | MT8188_MUTEX_EOF_DSI0, @@ -692,7 +692,7 @@ static const unsigned int mt8188_mutex_sof[DDP_MUTEX_SOF_MAX] = { MT8188_MUTEX_SOF_DP_INTF1 | MT8188_MUTEX_EOF_DP_INTF1, }; -static const unsigned int mt8195_mutex_sof[DDP_MUTEX_SOF_MAX] = { +static const u16 mt8195_mutex_sof[DDP_MUTEX_SOF_MAX] = { [MUTEX_SOF_SINGLE_MODE] = MUTEX_SOF_SINGLE_MODE, [MUTEX_SOF_DSI0] = MT8195_MUTEX_SOF_DSI0 | MT8195_MUTEX_EOF_DSI0, [MUTEX_SOF_DSI1] = MT8195_MUTEX_SOF_DSI1 | MT8195_MUTEX_EOF_DSI1, diff --git a/drivers/soc/mediatek/mtk-pmic-wrap.c b/drivers/soc/mediatek/mtk-pmic-wrap.c index efd9cae212dc..9fdc0ef79202 100644 --- a/drivers/soc/mediatek/mtk-pmic-wrap.c +++ b/drivers/soc/mediatek/mtk-pmic-wrap.c @@ -483,7 +483,7 @@ enum pwrap_regs { PWRAP_MSB_FIRST, }; -static int mt2701_regs[] = { +static const int mt2701_regs[] = { [PWRAP_MUX_SEL] = 0x0, [PWRAP_WRAP_EN] = 0x4, [PWRAP_DIO_EN] = 0x8, @@ -569,7 +569,7 @@ static int mt2701_regs[] = { [PWRAP_ADC_RDATA_ADDR2] = 0x154, }; -static int mt6765_regs[] = { +static const int mt6765_regs[] = { [PWRAP_MUX_SEL] = 0x0, [PWRAP_WRAP_EN] = 0x4, [PWRAP_DIO_EN] = 0x8, @@ -601,7 +601,7 @@ static int mt6765_regs[] = { [PWRAP_DCM_DBC_PRD] = 0x1E0, }; -static int mt6779_regs[] = { +static const int mt6779_regs[] = { [PWRAP_MUX_SEL] = 0x0, [PWRAP_WRAP_EN] = 0x4, [PWRAP_DIO_EN] = 0x8, @@ -640,7 +640,7 @@ static int mt6779_regs[] = { [PWRAP_WACS2_VLDCLR] = 0xC28, }; -static int mt6795_regs[] = { +static const int mt6795_regs[] = { [PWRAP_MUX_SEL] = 0x0, [PWRAP_WRAP_EN] = 0x4, [PWRAP_DIO_EN] = 0x8, @@ -725,7 +725,7 @@ static int mt6795_regs[] = { [PWRAP_EXT_CK] = 0x14c, }; -static int mt6797_regs[] = { +static const int mt6797_regs[] = { [PWRAP_MUX_SEL] = 0x0, [PWRAP_WRAP_EN] = 0x4, [PWRAP_DIO_EN] = 0x8, @@ -758,7 +758,7 @@ static int mt6797_regs[] = { [PWRAP_DCM_DBC_PRD] = 0x1D4, }; -static int mt6873_regs[] = { +static const int mt6873_regs[] = { [PWRAP_INIT_DONE2] = 0x0, [PWRAP_TIMER_EN] = 0x3E0, [PWRAP_INT_EN] = 0x448, @@ -769,7 +769,7 @@ static int mt6873_regs[] = { [PWRAP_WACS2_RDATA] = 0xCA8, }; -static int mt7622_regs[] = { +static const int mt7622_regs[] = { [PWRAP_MUX_SEL] = 0x0, [PWRAP_WRAP_EN] = 0x4, [PWRAP_DIO_EN] = 0x8, @@ -881,7 +881,7 @@ static int mt7622_regs[] = { [PWRAP_SPI2_CTRL] = 0x244, }; -static int mt8135_regs[] = { +static const int mt8135_regs[] = { [PWRAP_MUX_SEL] = 0x0, [PWRAP_WRAP_EN] = 0x4, [PWRAP_DIO_EN] = 0x8, @@ -954,7 +954,7 @@ static int mt8135_regs[] = { [PWRAP_DCM_DBC_PRD] = 0x160, }; -static int mt8173_regs[] = { +static const int mt8173_regs[] = { [PWRAP_MUX_SEL] = 0x0, [PWRAP_WRAP_EN] = 0x4, [PWRAP_DIO_EN] = 0x8, @@ -1036,7 +1036,7 @@ static int mt8173_regs[] = { [PWRAP_DCM_DBC_PRD] = 0x148, }; -static int mt8183_regs[] = { +static const int mt8183_regs[] = { [PWRAP_MUX_SEL] = 0x0, [PWRAP_WRAP_EN] = 0x4, [PWRAP_DIO_EN] = 0x8, @@ -1087,7 +1087,7 @@ static int mt8183_regs[] = { [PWRAP_WACS2_VLDCLR] = 0xC28, }; -static int mt8195_regs[] = { +static const int mt8195_regs[] = { [PWRAP_INIT_DONE2] = 0x0, [PWRAP_STAUPD_CTRL] = 0x4C, [PWRAP_TIMER_EN] = 0x3E4, @@ -1104,7 +1104,7 @@ static int mt8195_regs[] = { [PWRAP_WACS2_RDATA] = 0x8A8, }; -static int mt8365_regs[] = { +static const int mt8365_regs[] = { [PWRAP_MUX_SEL] = 0x0, [PWRAP_WRAP_EN] = 0x4, [PWRAP_DIO_EN] = 0x8, @@ -1166,7 +1166,7 @@ static int mt8365_regs[] = { [PWRAP_WDT_SRC_EN_1] = 0xf8, }; -static int mt8516_regs[] = { +static const int mt8516_regs[] = { [PWRAP_MUX_SEL] = 0x0, [PWRAP_WRAP_EN] = 0x4, [PWRAP_DIO_EN] = 0x8, @@ -1251,7 +1251,7 @@ static int mt8516_regs[] = { [PWRAP_MSB_FIRST] = 0x170, }; -static int mt8186_regs[] = { +static const int mt8186_regs[] = { [PWRAP_MUX_SEL] = 0x0, [PWRAP_WRAP_EN] = 0x4, [PWRAP_DIO_EN] = 0x8, @@ -1366,10 +1366,6 @@ struct pmic_wrapper { struct regmap *regmap; const struct pmic_wrapper_type *master; const struct pwrap_slv_type *slave; - struct clk *clk_spi; - struct clk *clk_wrap; - struct clk *clk_sys; - struct clk *clk_tmr; struct reset_control *rstc; struct reset_control *rstc_bridge; @@ -1377,7 +1373,7 @@ struct pmic_wrapper { }; struct pmic_wrapper_type { - int *regs; + const int *regs; enum pwrap_type type; u32 arb_en_all; u32 int_en_all; @@ -2397,7 +2393,7 @@ static const struct pmic_wrapper_type pwrap_mt8183 = { .init_soc_specific = pwrap_mt8183_init_soc_specific, }; -static struct pmic_wrapper_type pwrap_mt8195 = { +static const struct pmic_wrapper_type pwrap_mt8195 = { .regs = mt8195_regs, .type = PWRAP_MT8195, .arb_en_all = 0x777f, /* NEED CONFIRM */ @@ -2423,7 +2419,7 @@ static const struct pmic_wrapper_type pwrap_mt8365 = { .init_soc_specific = NULL, }; -static struct pmic_wrapper_type pwrap_mt8516 = { +static const struct pmic_wrapper_type pwrap_mt8516 = { .regs = mt8516_regs, .type = PWRAP_MT8516, .arb_en_all = 0xff, @@ -2435,7 +2431,7 @@ static struct pmic_wrapper_type pwrap_mt8516 = { .init_soc_specific = NULL, }; -static struct pmic_wrapper_type pwrap_mt8186 = { +static const struct pmic_wrapper_type pwrap_mt8186 = { .regs = mt8186_regs, .type = PWRAP_MT8186, .arb_en_all = 0xfb27f, @@ -2472,6 +2468,7 @@ static int pwrap_probe(struct platform_device *pdev) int ret, irq; u32 mask_done; struct pmic_wrapper *wrp; + struct clk_bulk_data *clk; struct device_node *np = pdev->dev.of_node; const struct of_device_id *of_slave_id = NULL; @@ -2521,49 +2518,10 @@ static int pwrap_probe(struct platform_device *pdev) } } - wrp->clk_spi = devm_clk_get(wrp->dev, "spi"); - if (IS_ERR(wrp->clk_spi)) { - dev_dbg(wrp->dev, "failed to get clock: %ld\n", - PTR_ERR(wrp->clk_spi)); - return PTR_ERR(wrp->clk_spi); - } - - wrp->clk_wrap = devm_clk_get(wrp->dev, "wrap"); - if (IS_ERR(wrp->clk_wrap)) { - dev_dbg(wrp->dev, "failed to get clock: %ld\n", - PTR_ERR(wrp->clk_wrap)); - return PTR_ERR(wrp->clk_wrap); - } - - wrp->clk_sys = devm_clk_get_optional(wrp->dev, "sys"); - if (IS_ERR(wrp->clk_sys)) { - return dev_err_probe(wrp->dev, PTR_ERR(wrp->clk_sys), - "failed to get clock: %pe\n", - wrp->clk_sys); - } - - wrp->clk_tmr = devm_clk_get_optional(wrp->dev, "tmr"); - if (IS_ERR(wrp->clk_tmr)) { - return dev_err_probe(wrp->dev, PTR_ERR(wrp->clk_tmr), - "failed to get clock: %pe\n", - wrp->clk_tmr); - } - - ret = clk_prepare_enable(wrp->clk_spi); - if (ret) - return ret; - - ret = clk_prepare_enable(wrp->clk_wrap); + ret = devm_clk_bulk_get_all_enable(wrp->dev, &clk); if (ret) - goto err_out1; - - ret = clk_prepare_enable(wrp->clk_sys); - if (ret) - goto err_out2; - - ret = clk_prepare_enable(wrp->clk_tmr); - if (ret) - goto err_out3; + return dev_err_probe(wrp->dev, ret, + "failed to get clocks\n"); /* Enable internal dynamic clock */ if (HAS_CAP(wrp->master->caps, PWRAP_CAP_DCM)) { @@ -2579,7 +2537,7 @@ static int pwrap_probe(struct platform_device *pdev) ret = pwrap_init(wrp); if (ret) { dev_dbg(wrp->dev, "init failed with %d\n", ret); - goto err_out4; + return ret; } } @@ -2592,8 +2550,7 @@ static int pwrap_probe(struct platform_device *pdev) if (!(pwrap_readl(wrp, PWRAP_WACS2_RDATA) & mask_done)) { dev_dbg(wrp->dev, "initialization isn't finished\n"); - ret = -ENODEV; - goto err_out4; + return -ENODEV; } /* Initialize watchdog, may not be done by the bootloader */ @@ -2622,42 +2579,27 @@ static int pwrap_probe(struct platform_device *pdev) pwrap_writel(wrp, wrp->master->int1_en_all, PWRAP_INT1_EN); irq = platform_get_irq(pdev, 0); - if (irq < 0) { - ret = irq; - goto err_out2; - } + if (irq < 0) + return irq; ret = devm_request_irq(wrp->dev, irq, pwrap_interrupt, IRQF_TRIGGER_HIGH, "mt-pmic-pwrap", wrp); if (ret) - goto err_out4; + return ret; wrp->regmap = devm_regmap_init(wrp->dev, NULL, wrp, wrp->slave->regops->regmap); - if (IS_ERR(wrp->regmap)) { - ret = PTR_ERR(wrp->regmap); - goto err_out2; - } + if (IS_ERR(wrp->regmap)) + return PTR_ERR(wrp->regmap); ret = of_platform_populate(np, NULL, NULL, wrp->dev); if (ret) { dev_dbg(wrp->dev, "failed to create child devices at %pOF\n", np); - goto err_out4; + return ret; } return 0; - -err_out4: - clk_disable_unprepare(wrp->clk_tmr); -err_out3: - clk_disable_unprepare(wrp->clk_sys); -err_out2: - clk_disable_unprepare(wrp->clk_wrap); -err_out1: - clk_disable_unprepare(wrp->clk_spi); - - return ret; } static struct platform_driver pwrap_drv = { diff --git a/drivers/soc/qcom/Makefile b/drivers/soc/qcom/Makefile index d3560f861085..acbca2ab5cc2 100644 --- a/drivers/soc/qcom/Makefile +++ b/drivers/soc/qcom/Makefile @@ -25,6 +25,7 @@ qcom_rpmh-y += rpmh.o obj-$(CONFIG_QCOM_SMD_RPM) += rpm-proc.o smd-rpm.o obj-$(CONFIG_QCOM_SMEM) += smem.o obj-$(CONFIG_QCOM_SMEM_STATE) += smem_state.o +CFLAGS_smp2p.o := -I$(src) obj-$(CONFIG_QCOM_SMP2P) += smp2p.o obj-$(CONFIG_QCOM_SMSM) += smsm.o obj-$(CONFIG_QCOM_SOCINFO) += socinfo.o diff --git a/drivers/soc/qcom/apr.c b/drivers/soc/qcom/apr.c index 4fbff3a890e2..a956c407ce03 100644 --- a/drivers/soc/qcom/apr.c +++ b/drivers/soc/qcom/apr.c @@ -485,11 +485,10 @@ static int of_apr_add_pd_lookups(struct device *dev) { const char *service_name, *service_path; struct packet_router *apr = dev_get_drvdata(dev); - struct device_node *node; struct pdr_service *pds; int ret; - for_each_child_of_node(dev->of_node, node) { + for_each_child_of_node_scoped(dev->of_node, node) { ret = of_property_read_string_index(node, "qcom,protection-domain", 0, &service_name); if (ret < 0) @@ -499,14 +498,12 @@ static int of_apr_add_pd_lookups(struct device *dev) 1, &service_path); if (ret < 0) { dev_err(dev, "pdr service path missing: %d\n", ret); - of_node_put(node); return ret; } pds = pdr_add_lookup(apr->pdr, service_name, service_path); if (IS_ERR(pds) && PTR_ERR(pds) != -EALREADY) { dev_err(dev, "pdr add lookup failed: %ld\n", PTR_ERR(pds)); - of_node_put(node); return PTR_ERR(pds); } } diff --git a/drivers/soc/qcom/icc-bwmon.c b/drivers/soc/qcom/icc-bwmon.c index e7851974084b..f9235bc3aa3b 100644 --- a/drivers/soc/qcom/icc-bwmon.c +++ b/drivers/soc/qcom/icc-bwmon.c @@ -17,6 +17,8 @@ #include <linux/pm_opp.h> #include <linux/regmap.h> #include <linux/sizes.h> +#define CREATE_TRACE_POINTS +#include "trace_icc-bwmon.h" /* * The BWMON samples data throughput within 'sample_ms' time. With three @@ -645,9 +647,10 @@ static irqreturn_t bwmon_intr_thread(int irq, void *dev_id) struct icc_bwmon *bwmon = dev_id; unsigned int irq_enable = 0; struct dev_pm_opp *opp, *target_opp; - unsigned int bw_kbps, up_kbps, down_kbps; + unsigned int bw_kbps, up_kbps, down_kbps, meas_kbps; bw_kbps = bwmon->target_kbps; + meas_kbps = bwmon->target_kbps; target_opp = dev_pm_opp_find_bw_ceil(bwmon->dev, &bw_kbps, 0); if (IS_ERR(target_opp) && PTR_ERR(target_opp) == -ERANGE) @@ -679,6 +682,7 @@ static irqreturn_t bwmon_intr_thread(int irq, void *dev_id) bwmon_clear_irq(bwmon); bwmon_enable(bwmon, irq_enable); + trace_qcom_bwmon_update(dev_name(bwmon->dev), meas_kbps, up_kbps, down_kbps); if (bwmon->target_kbps == bwmon->current_kbps) goto out; diff --git a/drivers/soc/qcom/ice.c b/drivers/soc/qcom/ice.c index fbab7fe5c652..50be7a9274a1 100644 --- a/drivers/soc/qcom/ice.c +++ b/drivers/soc/qcom/ice.c @@ -8,6 +8,7 @@ */ #include <linux/bitfield.h> +#include <linux/cleanup.h> #include <linux/clk.h> #include <linux/delay.h> #include <linux/iopoll.h> @@ -265,7 +266,6 @@ struct qcom_ice *of_qcom_ice_get(struct device *dev) { struct platform_device *pdev = to_platform_device(dev); struct qcom_ice *ice; - struct device_node *node; struct resource *res; void __iomem *base; @@ -292,15 +292,15 @@ struct qcom_ice *of_qcom_ice_get(struct device *dev) * (legacy DT binding), then it must at least provide a phandle * to the ICE devicetree node, otherwise ICE is not supported. */ - node = of_parse_phandle(dev->of_node, "qcom,ice", 0); + struct device_node *node __free(device_node) = of_parse_phandle(dev->of_node, + "qcom,ice", 0); if (!node) return NULL; pdev = of_find_device_by_node(node); if (!pdev) { dev_err(dev, "Cannot find device node %s\n", node->name); - ice = ERR_PTR(-EPROBE_DEFER); - goto out; + return ERR_PTR(-EPROBE_DEFER); } ice = platform_get_drvdata(pdev); @@ -308,8 +308,7 @@ struct qcom_ice *of_qcom_ice_get(struct device *dev) dev_err(dev, "Cannot get ice instance from %s\n", dev_name(&pdev->dev)); platform_device_put(pdev); - ice = ERR_PTR(-EPROBE_DEFER); - goto out; + return ERR_PTR(-EPROBE_DEFER); } ice->link = device_link_add(dev, &pdev->dev, DL_FLAG_AUTOREMOVE_SUPPLIER); @@ -321,9 +320,6 @@ struct qcom_ice *of_qcom_ice_get(struct device *dev) ice = ERR_PTR(-EINVAL); } -out: - of_node_put(node); - return ice; } EXPORT_SYMBOL_GPL(of_qcom_ice_get); diff --git a/drivers/soc/qcom/llcc-qcom.c b/drivers/soc/qcom/llcc-qcom.c index 37e11e501728..8fa4ffd3a9b5 100644 --- a/drivers/soc/qcom/llcc-qcom.c +++ b/drivers/soc/qcom/llcc-qcom.c @@ -453,26 +453,24 @@ static const struct llcc_slice_config qdu1000_data_8ch[] = { }; static const struct llcc_slice_config x1e80100_data[] = { - {LLCC_CPUSS, 1, 6144, 1, 1, 0xFFF, 0x0, 0, 0, 0, 0, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0}, - {LLCC_VIDSC0, 2, 512, 3, 1, 0xFFF, 0x0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}, - {LLCC_AUDIO, 6, 3072, 1, 1, 0xFFF, 0x0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}, + {LLCC_CPUSS, 1, 6144, 1, 1, 0xFFF, 0x0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}, + {LLCC_VIDSC0, 2, 512, 4, 1, 0xFFF, 0x0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}, + {LLCC_AUDIO, 6, 1024, 1, 1, 0xFFF, 0x0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}, {LLCC_CMPT, 10, 6144, 1, 1, 0xFFF, 0x0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}, - {LLCC_GPUHTW, 11, 1024, 1, 1, 0xFFF, 0x0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}, - {LLCC_GPU, 9, 4096, 1, 1, 0xFFF, 0x0, 0, 0, 0, 0, 0, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0}, - {LLCC_MMUHWT, 18, 512, 1, 1, 0xFFF, 0x0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}, + {LLCC_GPUHTW, 11, 512, 1, 1, 0xFFF, 0x0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}, + {LLCC_GPU, 9, 4608, 1, 0, 0xFFF, 0x0, 0, 0, 0, 0, 0, 1, 1, 1, 0, 0, 0, 0, 0, 0, 0}, + {LLCC_MMUHWT, 18, 512, 1, 1, 0xFFF, 0x0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}, {LLCC_AUDHW, 22, 1024, 1, 1, 0xFFF, 0x0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}, - {LLCC_CVP, 8, 512, 3, 1, 0xFFF, 0x0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}, - {LLCC_WRCACHE, 31, 512, 1, 1, 0xFFF, 0x0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}, - {LLCC_CAMEXP1, 7, 3072, 2, 1, 0xFFF, 0x0, 2, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}, - {LLCC_LCPDARE, 30, 512, 3, 1, 0xFFF, 0x0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}, + {LLCC_CVP, 8, 512, 4, 1, 0xFFF, 0x0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}, + {LLCC_WRCACHE, 31, 1024, 1, 1, 0xFFF, 0x0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}, + {LLCC_CAMEXP0, 4, 256, 4, 1, 0x3, 0x0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}, + {LLCC_CAMEXP1, 7, 3072, 3, 1, 0xFFC, 0x0, 2, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}, + {LLCC_LCPDARE, 30, 512, 3, 1, 0xFFF, 0x0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0}, {LLCC_AENPU, 3, 3072, 1, 1, 0xFFF, 0x0, 2, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}, - {LLCC_ISLAND1, 12, 512, 7, 1, 0x1, 0x0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}, - {LLCC_ISLAND2, 13, 512, 7, 1, 0x2, 0x0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}, - {LLCC_ISLAND3, 14, 512, 7, 1, 0x3, 0x0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}, - {LLCC_ISLAND4, 15, 512, 7, 1, 0x4, 0x0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}, - {LLCC_CAMEXP2, 19, 3072, 3, 1, 0xFFF, 0x0, 2, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}, - {LLCC_CAMEXP3, 20, 3072, 3, 1, 0xFFF, 0x0, 2, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}, - {LLCC_CAMEXP4, 21, 3072, 3, 1, 0xFFF, 0x0, 2, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}, + {LLCC_ISLAND1, 12, 2048, 7, 1, 0x0, 0xF, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}, + {LLCC_CAMEXP2, 19, 3072, 3, 1, 0xFFC, 0x0, 2, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}, + {LLCC_CAMEXP3, 20, 3072, 2, 1, 0xFFC, 0x0, 2, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}, + {LLCC_CAMEXP4, 21, 3072, 2, 1, 0xFFC, 0x0, 2, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}, }; static const struct llcc_edac_reg_offset llcc_v1_edac_reg_offset = { diff --git a/drivers/soc/qcom/ocmem.c b/drivers/soc/qcom/ocmem.c index 6b6dd80cbc0f..ff8df7d75d6b 100644 --- a/drivers/soc/qcom/ocmem.c +++ b/drivers/soc/qcom/ocmem.c @@ -186,23 +186,20 @@ static void update_range(struct ocmem *ocmem, struct ocmem_buf *buf, struct ocmem *of_get_ocmem(struct device *dev) { struct platform_device *pdev; - struct device_node *devnode; struct ocmem *ocmem; - devnode = of_parse_phandle(dev->of_node, "sram", 0); + struct device_node *devnode __free(device_node) = of_parse_phandle(dev->of_node, + "sram", 0); if (!devnode || !devnode->parent) { dev_err(dev, "Cannot look up sram phandle\n"); - of_node_put(devnode); return ERR_PTR(-ENODEV); } pdev = of_find_device_by_node(devnode->parent); if (!pdev) { dev_err(dev, "Cannot find device node %s\n", devnode->name); - of_node_put(devnode); return ERR_PTR(-EPROBE_DEFER); } - of_node_put(devnode); ocmem = platform_get_drvdata(pdev); if (!ocmem) { diff --git a/drivers/soc/qcom/qcom-pbs.c b/drivers/soc/qcom/qcom-pbs.c index 6af49b5060e5..77a70d3d0d0b 100644 --- a/drivers/soc/qcom/qcom-pbs.c +++ b/drivers/soc/qcom/qcom-pbs.c @@ -3,6 +3,7 @@ * Copyright (c) 2023 Qualcomm Innovation Center, Inc. All rights reserved. */ +#include <linux/cleanup.h> #include <linux/delay.h> #include <linux/err.h> #include <linux/module.h> @@ -148,11 +149,11 @@ EXPORT_SYMBOL_GPL(qcom_pbs_trigger_event); */ struct pbs_dev *get_pbs_client_device(struct device *dev) { - struct device_node *pbs_dev_node; struct platform_device *pdev; struct pbs_dev *pbs; - pbs_dev_node = of_parse_phandle(dev->of_node, "qcom,pbs", 0); + struct device_node *pbs_dev_node __free(device_node) = of_parse_phandle(dev->of_node, + "qcom,pbs", 0); if (!pbs_dev_node) { dev_err(dev, "Missing qcom,pbs property\n"); return ERR_PTR(-ENODEV); @@ -161,28 +162,23 @@ struct pbs_dev *get_pbs_client_device(struct device *dev) pdev = of_find_device_by_node(pbs_dev_node); if (!pdev) { dev_err(dev, "Unable to find PBS dev_node\n"); - pbs = ERR_PTR(-EPROBE_DEFER); - goto out; + return ERR_PTR(-EPROBE_DEFER); } pbs = platform_get_drvdata(pdev); if (!pbs) { dev_err(dev, "Cannot get pbs instance from %s\n", dev_name(&pdev->dev)); platform_device_put(pdev); - pbs = ERR_PTR(-EPROBE_DEFER); - goto out; + return ERR_PTR(-EPROBE_DEFER); } pbs->link = device_link_add(dev, &pdev->dev, DL_FLAG_AUTOREMOVE_SUPPLIER); if (!pbs->link) { dev_err(&pdev->dev, "Failed to create device link to consumer %s\n", dev_name(dev)); platform_device_put(pdev); - pbs = ERR_PTR(-EINVAL); - goto out; + return ERR_PTR(-EINVAL); } -out: - of_node_put(pbs_dev_node); return pbs; } EXPORT_SYMBOL_GPL(get_pbs_client_device); diff --git a/drivers/soc/qcom/qcom_aoss.c b/drivers/soc/qcom/qcom_aoss.c index ca2f6b7629ce..60af26667bce 100644 --- a/drivers/soc/qcom/qcom_aoss.c +++ b/drivers/soc/qcom/qcom_aoss.c @@ -394,7 +394,7 @@ static int qmp_cooling_device_add(struct qmp *qmp, static int qmp_cooling_devices_register(struct qmp *qmp) { - struct device_node *np, *child; + struct device_node *np; int count = 0; int ret; @@ -407,15 +407,13 @@ static int qmp_cooling_devices_register(struct qmp *qmp) if (!qmp->cooling_devs) return -ENOMEM; - for_each_available_child_of_node(np, child) { + for_each_available_child_of_node_scoped(np, child) { if (!of_property_present(child, "#cooling-cells")) continue; ret = qmp_cooling_device_add(qmp, &qmp->cooling_devs[count++], child); - if (ret) { - of_node_put(child); + if (ret) goto unroll; - } } if (!count) diff --git a/drivers/soc/qcom/qcom_pd_mapper.c b/drivers/soc/qcom/qcom_pd_mapper.c index 2228595a3dc5..c940f4da28ed 100644 --- a/drivers/soc/qcom/qcom_pd_mapper.c +++ b/drivers/soc/qcom/qcom_pd_mapper.c @@ -517,12 +517,25 @@ static const struct qcom_pdm_domain_data *sm8550_domains[] = { NULL, }; +static const struct qcom_pdm_domain_data *x1e80100_domains[] = { + &adsp_audio_pd, + &adsp_root_pd, + &adsp_charger_pd, + &adsp_sensor_pd, + &cdsp_root_pd, + NULL, +}; + static const struct of_device_id qcom_pdm_domains[] __maybe_unused = { + { .compatible = "qcom,apq8016", .data = NULL, }, { .compatible = "qcom,apq8064", .data = NULL, }, { .compatible = "qcom,apq8074", .data = NULL, }, { .compatible = "qcom,apq8084", .data = NULL, }, { .compatible = "qcom,apq8096", .data = msm8996_domains, }, { .compatible = "qcom,msm8226", .data = NULL, }, + { .compatible = "qcom,msm8909", .data = NULL, }, + { .compatible = "qcom,msm8916", .data = NULL, }, + { .compatible = "qcom,msm8939", .data = NULL, }, { .compatible = "qcom,msm8974", .data = NULL, }, { .compatible = "qcom,msm8996", .data = msm8996_domains, }, { .compatible = "qcom,msm8998", .data = msm8998_domains, }, @@ -539,12 +552,14 @@ static const struct of_device_id qcom_pdm_domains[] __maybe_unused = { { .compatible = "qcom,sm4250", .data = sm6115_domains, }, { .compatible = "qcom,sm6115", .data = sm6115_domains, }, { .compatible = "qcom,sm6350", .data = sm6350_domains, }, + { .compatible = "qcom,sm7325", .data = sc7280_domains, }, { .compatible = "qcom,sm8150", .data = sm8150_domains, }, { .compatible = "qcom,sm8250", .data = sm8250_domains, }, { .compatible = "qcom,sm8350", .data = sm8350_domains, }, { .compatible = "qcom,sm8450", .data = sm8350_domains, }, { .compatible = "qcom,sm8550", .data = sm8550_domains, }, { .compatible = "qcom,sm8650", .data = sm8550_domains, }, + { .compatible = "qcom,x1e80100", .data = x1e80100_domains, }, {}, }; diff --git a/drivers/soc/qcom/smd-rpm.c b/drivers/soc/qcom/smd-rpm.c index b7056aed4c7d..f2b3e02abdf1 100644 --- a/drivers/soc/qcom/smd-rpm.c +++ b/drivers/soc/qcom/smd-rpm.c @@ -196,9 +196,6 @@ static int qcom_smd_rpm_probe(struct rpmsg_device *rpdev) { struct qcom_smd_rpm *rpm; - if (!rpdev->dev.of_node) - return -EINVAL; - rpm = devm_kzalloc(&rpdev->dev, sizeof(*rpm), GFP_KERNEL); if (!rpm) return -ENOMEM; @@ -218,18 +215,44 @@ static void qcom_smd_rpm_remove(struct rpmsg_device *rpdev) of_platform_depopulate(&rpdev->dev); } -static const struct rpmsg_device_id qcom_smd_rpm_id_table[] = { - { .name = "rpm_requests", }, - { /* sentinel */ } +static const struct of_device_id qcom_smd_rpm_of_match[] = { + { .compatible = "qcom,glink-smd-rpm" }, + { .compatible = "qcom,smd-rpm" }, + /* + * Don't add any more compatibles to the list, two previous entryes + * should match all defined devices. + */ + { .compatible = "qcom,rpm-apq8084" }, + { .compatible = "qcom,rpm-ipq6018" }, + { .compatible = "qcom,rpm-ipq9574" }, + { .compatible = "qcom,rpm-msm8226" }, + { .compatible = "qcom,rpm-msm8909" }, + { .compatible = "qcom,rpm-msm8916" }, + { .compatible = "qcom,rpm-msm8936" }, + { .compatible = "qcom,rpm-msm8953" }, + { .compatible = "qcom,rpm-msm8974" }, + { .compatible = "qcom,rpm-msm8976" }, + { .compatible = "qcom,rpm-msm8994" }, + { .compatible = "qcom,rpm-msm8996" }, + { .compatible = "qcom,rpm-msm8998" }, + { .compatible = "qcom,rpm-sdm660" }, + { .compatible = "qcom,rpm-sm6115" }, + { .compatible = "qcom,rpm-sm6125" }, + { .compatible = "qcom,rpm-sm6375" }, + { .compatible = "qcom,rpm-qcm2290" }, + { .compatible = "qcom,rpm-qcs404" }, + {} }; -MODULE_DEVICE_TABLE(rpmsg, qcom_smd_rpm_id_table); +MODULE_DEVICE_TABLE(of, qcom_smd_rpm_of_match); static struct rpmsg_driver qcom_smd_rpm_driver = { .probe = qcom_smd_rpm_probe, .remove = qcom_smd_rpm_remove, .callback = qcom_smd_rpm_callback, - .id_table = qcom_smd_rpm_id_table, - .drv.name = "qcom_smd_rpm", + .drv = { + .name = "qcom_smd_rpm", + .of_match_table = qcom_smd_rpm_of_match, + }, }; static int __init qcom_smd_rpm_init(void) diff --git a/drivers/soc/qcom/smp2p.c b/drivers/soc/qcom/smp2p.c index 696c2a8387d0..cefcbd61c628 100644 --- a/drivers/soc/qcom/smp2p.c +++ b/drivers/soc/qcom/smp2p.c @@ -161,6 +161,9 @@ struct qcom_smp2p { struct list_head outbound; }; +#define CREATE_TRACE_POINTS +#include "trace-smp2p.h" + static void qcom_smp2p_kick(struct qcom_smp2p *smp2p) { /* Make sure any updated data is written before the kick */ @@ -192,6 +195,7 @@ static void qcom_smp2p_do_ssr_ack(struct qcom_smp2p *smp2p) struct smp2p_smem_item *out = smp2p->out; u32 val; + trace_smp2p_ssr_ack(smp2p->dev); smp2p->ssr_ack = !smp2p->ssr_ack; val = out->flags & ~BIT(SMP2P_FLAGS_RESTART_ACK_BIT); @@ -214,6 +218,7 @@ static void qcom_smp2p_negotiate(struct qcom_smp2p *smp2p) smp2p->ssr_ack_enabled = true; smp2p->negotiation_done = true; + trace_smp2p_negotiate(smp2p->dev, out->features); } } @@ -252,6 +257,8 @@ static void qcom_smp2p_notify_in(struct qcom_smp2p *smp2p) status = val ^ entry->last_value; entry->last_value = val; + trace_smp2p_notify_in(entry, status, val); + /* No changes of this entry? */ if (!status) continue; @@ -415,6 +422,8 @@ static int smp2p_update_bits(void *data, u32 mask, u32 value) writel(val, entry->value); spin_unlock_irqrestore(&entry->lock, flags); + trace_smp2p_update_bits(entry, orig, val); + if (val != orig) qcom_smp2p_kick(entry->smp2p); @@ -530,7 +539,6 @@ static int smp2p_parse_ipc(struct qcom_smp2p *smp2p) static int qcom_smp2p_probe(struct platform_device *pdev) { struct smp2p_entry *entry; - struct device_node *node; struct qcom_smp2p *smp2p; const char *key; int irq; @@ -584,11 +592,10 @@ static int qcom_smp2p_probe(struct platform_device *pdev) if (ret < 0) goto release_mbox; - for_each_available_child_of_node(pdev->dev.of_node, node) { + for_each_available_child_of_node_scoped(pdev->dev.of_node, node) { entry = devm_kzalloc(&pdev->dev, sizeof(*entry), GFP_KERNEL); if (!entry) { ret = -ENOMEM; - of_node_put(node); goto unwind_interfaces; } @@ -596,25 +603,19 @@ static int qcom_smp2p_probe(struct platform_device *pdev) spin_lock_init(&entry->lock); ret = of_property_read_string(node, "qcom,entry-name", &entry->name); - if (ret < 0) { - of_node_put(node); + if (ret < 0) goto unwind_interfaces; - } if (of_property_read_bool(node, "interrupt-controller")) { ret = qcom_smp2p_inbound_entry(smp2p, entry, node); - if (ret < 0) { - of_node_put(node); + if (ret < 0) goto unwind_interfaces; - } list_add(&entry->node, &smp2p->inbound); } else { ret = qcom_smp2p_outbound_entry(smp2p, entry, node); - if (ret < 0) { - of_node_put(node); + if (ret < 0) goto unwind_interfaces; - } list_add(&entry->node, &smp2p->outbound); } diff --git a/drivers/soc/qcom/socinfo.c b/drivers/soc/qcom/socinfo.c index d7359a235e3c..24c3971f2ef1 100644 --- a/drivers/soc/qcom/socinfo.c +++ b/drivers/soc/qcom/socinfo.c @@ -401,11 +401,13 @@ static const struct soc_id soc_id[] = { { qcom_board_id(SA8540P) }, { qcom_board_id(QCM4290) }, { qcom_board_id(QCS4290) }, + { qcom_board_id(SM7325) }, { qcom_board_id_named(SM8450_2, "SM8450") }, { qcom_board_id_named(SM8450_3, "SM8450") }, { qcom_board_id(SC7280) }, { qcom_board_id(SC7180P) }, { qcom_board_id(QCM6490) }, + { qcom_board_id(SM7325P) }, { qcom_board_id(IPQ5000) }, { qcom_board_id(IPQ0509) }, { qcom_board_id(IPQ0518) }, @@ -441,6 +443,8 @@ static const struct soc_id soc_id[] = { { qcom_board_id(QCM8550) }, { qcom_board_id(IPQ5300) }, { qcom_board_id(IPQ5321) }, + { qcom_board_id(QCS8300) }, + { qcom_board_id(QCS8275) }, }; static const char *socinfo_machine(struct device *dev, unsigned int id) diff --git a/drivers/soc/qcom/trace-smp2p.h b/drivers/soc/qcom/trace-smp2p.h new file mode 100644 index 000000000000..9a6392043f10 --- /dev/null +++ b/drivers/soc/qcom/trace-smp2p.h @@ -0,0 +1,98 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +/* + * Copyright (c) 2024 Qualcomm Innovation Center, Inc. All rights reserved. + */ + +#undef TRACE_SYSTEM +#define TRACE_SYSTEM qcom_smp2p + +#if !defined(__QCOM_SMP2P_TRACE_H__) || defined(TRACE_HEADER_MULTI_READ) +#define __QCOM_SMP2P_TRACE_H__ + +#include <linux/device.h> +#include <linux/tracepoint.h> + +TRACE_EVENT(smp2p_ssr_ack, + TP_PROTO(const struct device *dev), + TP_ARGS(dev), + TP_STRUCT__entry( + __string(dev_name, dev_name(dev)) + ), + TP_fast_assign( + __assign_str(dev_name); + ), + TP_printk("%s: SSR detected", __get_str(dev_name)) +); + +TRACE_EVENT(smp2p_negotiate, + TP_PROTO(const struct device *dev, unsigned int features), + TP_ARGS(dev, features), + TP_STRUCT__entry( + __string(dev_name, dev_name(dev)) + __field(u32, out_features) + ), + TP_fast_assign( + __assign_str(dev_name); + __entry->out_features = features; + ), + TP_printk("%s: state=open out_features=%s", __get_str(dev_name), + __print_flags(__entry->out_features, "|", + {SMP2P_FEATURE_SSR_ACK, "SMP2P_FEATURE_SSR_ACK"}) + ) +); + +TRACE_EVENT(smp2p_notify_in, + TP_PROTO(struct smp2p_entry *smp2p_entry, unsigned long status, u32 val), + TP_ARGS(smp2p_entry, status, val), + TP_STRUCT__entry( + __string(dev_name, dev_name(smp2p_entry->smp2p->dev)) + __string(client_name, smp2p_entry->name) + __field(unsigned long, status) + __field(u32, val) + ), + TP_fast_assign( + __assign_str(dev_name); + __assign_str(client_name); + __entry->status = status; + __entry->val = val; + ), + TP_printk("%s: %s: status:0x%0lx val:0x%0x", + __get_str(dev_name), + __get_str(client_name), + __entry->status, + __entry->val + ) +); + +TRACE_EVENT(smp2p_update_bits, + TP_PROTO(struct smp2p_entry *smp2p_entry, u32 orig, u32 val), + TP_ARGS(smp2p_entry, orig, val), + TP_STRUCT__entry( + __string(dev_name, dev_name(smp2p_entry->smp2p->dev)) + __string(client_name, smp2p_entry->name) + __field(u32, orig) + __field(u32, val) + ), + TP_fast_assign( + __assign_str(dev_name); + __assign_str(client_name); + __entry->orig = orig; + __entry->val = val; + ), + TP_printk("%s: %s: orig:0x%0x new:0x%0x", + __get_str(dev_name), + __get_str(client_name), + __entry->orig, + __entry->val + ) +); + +#endif /* __QCOM_SMP2P_TRACE_H__ */ + +#undef TRACE_INCLUDE_PATH +#define TRACE_INCLUDE_PATH . + +#undef TRACE_INCLUDE_FILE +#define TRACE_INCLUDE_FILE trace-smp2p + +#include <trace/define_trace.h> diff --git a/drivers/soc/qcom/trace_icc-bwmon.h b/drivers/soc/qcom/trace_icc-bwmon.h new file mode 100644 index 000000000000..beb8e6b485a9 --- /dev/null +++ b/drivers/soc/qcom/trace_icc-bwmon.h @@ -0,0 +1,48 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ +/* + * Copyright (c) 2024 Qualcomm Innovation Center, Inc. All rights reserved. + */ + +#undef TRACE_SYSTEM +#define TRACE_SYSTEM icc_bwmon + +#if !defined(_TRACE_ICC_BWMON_H) || defined(TRACE_HEADER_MULTI_READ) +#define _TRACE_ICC_BWMON_H +#include <linux/tracepoint.h> + +TRACE_EVENT(qcom_bwmon_update, + TP_PROTO(const char *name, + unsigned int meas_kbps, unsigned int up_kbps, unsigned int down_kbps), + + TP_ARGS(name, meas_kbps, up_kbps, down_kbps), + + TP_STRUCT__entry( + __string(name, name) + __field(unsigned int, meas_kbps) + __field(unsigned int, up_kbps) + __field(unsigned int, down_kbps) + ), + + TP_fast_assign( + __assign_str(name); + __entry->meas_kbps = meas_kbps; + __entry->up_kbps = up_kbps; + __entry->down_kbps = down_kbps; + ), + + TP_printk("name=%s meas_kbps=%u up_kbps=%u down_kbps=%u", + __get_str(name), + __entry->meas_kbps, + __entry->up_kbps, + __entry->down_kbps) +); + +#endif /* _TRACE_ICC_BWMON_H */ + +#undef TRACE_INCLUDE_PATH +#define TRACE_INCLUDE_PATH ../../drivers/soc/qcom/ + +#undef TRACE_INCLUDE_FILE +#define TRACE_INCLUDE_FILE trace_icc-bwmon + +#include <trace/define_trace.h> diff --git a/drivers/soc/rockchip/grf.c b/drivers/soc/rockchip/grf.c index 5fd62046b28a..1eab4bb0eacf 100644 --- a/drivers/soc/rockchip/grf.c +++ b/drivers/soc/rockchip/grf.c @@ -41,9 +41,11 @@ static const struct rockchip_grf_info rk3036_grf __initconst = { }; #define RK3128_GRF_SOC_CON0 0x140 +#define RK3128_GRF_SOC_CON1 0x144 static const struct rockchip_grf_value rk3128_defaults[] __initconst = { { "jtag switching", RK3128_GRF_SOC_CON0, HIWORD_UPDATE(0, 1, 8) }, + { "vpu main clock", RK3128_GRF_SOC_CON1, HIWORD_UPDATE(0, 1, 10) }, }; static const struct rockchip_grf_info rk3128_grf __initconst = { @@ -121,6 +123,29 @@ static const struct rockchip_grf_info rk3566_pipegrf __initconst = { .num_values = ARRAY_SIZE(rk3566_defaults), }; +#define RK3576_SYSGRF_SOC_CON1 0x0004 + +static const struct rockchip_grf_value rk3576_defaults_sys_grf[] __initconst = { + { "i3c0 weakpull", RK3576_SYSGRF_SOC_CON1, HIWORD_UPDATE(3, 3, 6) }, + { "i3c1 weakpull", RK3576_SYSGRF_SOC_CON1, HIWORD_UPDATE(3, 3, 8) }, +}; + +static const struct rockchip_grf_info rk3576_sysgrf __initconst = { + .values = rk3576_defaults_sys_grf, + .num_values = ARRAY_SIZE(rk3576_defaults_sys_grf), +}; + +#define RK3576_IOCGRF_MISC_CON 0x04F0 + +static const struct rockchip_grf_value rk3576_defaults_ioc_grf[] __initconst = { + { "jtag switching", RK3576_IOCGRF_MISC_CON, HIWORD_UPDATE(0, 1, 1) }, +}; + +static const struct rockchip_grf_info rk3576_iocgrf __initconst = { + .values = rk3576_defaults_ioc_grf, + .num_values = ARRAY_SIZE(rk3576_defaults_ioc_grf), +}; + #define RK3588_GRF_SOC_CON6 0x0318 static const struct rockchip_grf_value rk3588_defaults[] __initconst = { @@ -132,7 +157,6 @@ static const struct rockchip_grf_info rk3588_sysgrf __initconst = { .num_values = ARRAY_SIZE(rk3588_defaults), }; - static const struct of_device_id rockchip_grf_dt_match[] __initconst = { { .compatible = "rockchip,rk3036-grf", @@ -159,6 +183,12 @@ static const struct of_device_id rockchip_grf_dt_match[] __initconst = { .compatible = "rockchip,rk3566-pipe-grf", .data = (void *)&rk3566_pipegrf, }, { + .compatible = "rockchip,rk3576-sys-grf", + .data = (void *)&rk3576_sysgrf, + }, { + .compatible = "rockchip,rk3576-ioc-grf", + .data = (void *)&rk3576_iocgrf, + }, { .compatible = "rockchip,rk3588-sys-grf", .data = (void *)&rk3588_sysgrf, }, diff --git a/drivers/soc/rockchip/io-domain.c b/drivers/soc/rockchip/io-domain.c index 18f809c160a7..fd9fd31f71c2 100644 --- a/drivers/soc/rockchip/io-domain.c +++ b/drivers/soc/rockchip/io-domain.c @@ -39,6 +39,10 @@ #define RK3288_SOC_CON2_FLASH0 BIT(7) #define RK3288_SOC_FLASH_SUPPLY_NUM 2 +#define RK3308_SOC_CON0 0x300 +#define RK3308_SOC_CON0_VCCIO3 BIT(8) +#define RK3308_SOC_VCCIO3_SUPPLY_NUM 3 + #define RK3328_SOC_CON4 0x410 #define RK3328_SOC_CON4_VCCIO2 BIT(7) #define RK3328_SOC_VCCIO2_SUPPLY_NUM 1 @@ -229,6 +233,25 @@ static void rk3288_iodomain_init(struct rockchip_iodomain *iod) dev_warn(iod->dev, "couldn't update flash0 ctrl\n"); } +static void rk3308_iodomain_init(struct rockchip_iodomain *iod) +{ + int ret; + u32 val; + + /* if no vccio3 supply we should leave things alone */ + if (!iod->supplies[RK3308_SOC_VCCIO3_SUPPLY_NUM].reg) + return; + + /* + * set vccio3 iodomain to also use this framework + * instead of a special gpio. + */ + val = RK3308_SOC_CON0_VCCIO3 | (RK3308_SOC_CON0_VCCIO3 << 16); + ret = regmap_write(iod->grf, RK3308_SOC_CON0, val); + if (ret < 0) + dev_warn(iod->dev, "couldn't update vccio3 vsel ctrl\n"); +} + static void rk3328_iodomain_init(struct rockchip_iodomain *iod) { int ret; @@ -376,6 +399,19 @@ static const struct rockchip_iodomain_soc_data soc_data_rk3288 = { .init = rk3288_iodomain_init, }; +static const struct rockchip_iodomain_soc_data soc_data_rk3308 = { + .grf_offset = 0x300, + .supply_names = { + "vccio0", + "vccio1", + "vccio2", + "vccio3", + "vccio4", + "vccio5", + }, + .init = rk3308_iodomain_init, +}; + static const struct rockchip_iodomain_soc_data soc_data_rk3328 = { .grf_offset = 0x410, .supply_names = { @@ -529,6 +565,10 @@ static const struct of_device_id rockchip_iodomain_match[] = { .data = &soc_data_rk3288 }, { + .compatible = "rockchip,rk3308-io-voltage-domain", + .data = &soc_data_rk3308 + }, + { .compatible = "rockchip,rk3328-io-voltage-domain", .data = &soc_data_rk3328 }, diff --git a/drivers/soc/tegra/pmc.c b/drivers/soc/tegra/pmc.c index 6c37d6eb8b49..a08c377933c5 100644 --- a/drivers/soc/tegra/pmc.c +++ b/drivers/soc/tegra/pmc.c @@ -1438,7 +1438,7 @@ static int tegra_powergate_init(struct tegra_pmc *pmc, struct device_node *parent) { struct of_phandle_args child_args, parent_args; - struct device_node *np, *child; + struct device_node *np; int err = 0; /* @@ -1457,12 +1457,10 @@ static int tegra_powergate_init(struct tegra_pmc *pmc, if (!np) return 0; - for_each_child_of_node(np, child) { + for_each_child_of_node_scoped(np, child) { err = tegra_powergate_add(pmc, child); - if (err < 0) { - of_node_put(child); + if (err < 0) break; - } if (of_parse_phandle_with_args(child, "power-domains", "#power-domain-cells", @@ -1474,10 +1472,8 @@ static int tegra_powergate_init(struct tegra_pmc *pmc, err = of_genpd_add_subdomain(&parent_args, &child_args); of_node_put(parent_args.np); - if (err) { - of_node_put(child); + if (err) break; - } } of_node_put(np); diff --git a/drivers/soc/ti/k3-ringacc.c b/drivers/soc/ti/k3-ringacc.c index fd4251d75935..8c0102968351 100644 --- a/drivers/soc/ti/k3-ringacc.c +++ b/drivers/soc/ti/k3-ringacc.c @@ -161,7 +161,7 @@ struct k3_ring { struct k3_ringacc_proxy_target_regs __iomem *proxy; dma_addr_t ring_mem_dma; void *ring_mem_virt; - struct k3_ring_ops *ops; + const struct k3_ring_ops *ops; u32 size; enum k3_ring_size elm_size; enum k3_ring_mode mode; @@ -268,17 +268,17 @@ static int k3_ringacc_ring_pop_mem(struct k3_ring *ring, void *elem); static int k3_dmaring_fwd_pop(struct k3_ring *ring, void *elem); static int k3_dmaring_reverse_pop(struct k3_ring *ring, void *elem); -static struct k3_ring_ops k3_ring_mode_ring_ops = { +static const struct k3_ring_ops k3_ring_mode_ring_ops = { .push_tail = k3_ringacc_ring_push_mem, .pop_head = k3_ringacc_ring_pop_mem, }; -static struct k3_ring_ops k3_dmaring_fwd_ops = { +static const struct k3_ring_ops k3_dmaring_fwd_ops = { .push_tail = k3_ringacc_ring_push_mem, .pop_head = k3_dmaring_fwd_pop, }; -static struct k3_ring_ops k3_dmaring_reverse_ops = { +static const struct k3_ring_ops k3_dmaring_reverse_ops = { /* Reverse side of the DMA ring can only be popped by SW */ .pop_head = k3_dmaring_reverse_pop, }; @@ -288,7 +288,7 @@ static int k3_ringacc_ring_pop_io(struct k3_ring *ring, void *elem); static int k3_ringacc_ring_push_head_io(struct k3_ring *ring, void *elem); static int k3_ringacc_ring_pop_tail_io(struct k3_ring *ring, void *elem); -static struct k3_ring_ops k3_ring_mode_msg_ops = { +static const struct k3_ring_ops k3_ring_mode_msg_ops = { .push_tail = k3_ringacc_ring_push_io, .push_head = k3_ringacc_ring_push_head_io, .pop_tail = k3_ringacc_ring_pop_tail_io, @@ -300,7 +300,7 @@ static int k3_ringacc_ring_push_tail_proxy(struct k3_ring *ring, void *elem); static int k3_ringacc_ring_pop_head_proxy(struct k3_ring *ring, void *elem); static int k3_ringacc_ring_pop_tail_proxy(struct k3_ring *ring, void *elem); -static struct k3_ring_ops k3_ring_mode_proxy_ops = { +static const struct k3_ring_ops k3_ring_mode_proxy_ops = { .push_tail = k3_ringacc_ring_push_tail_proxy, .push_head = k3_ringacc_ring_push_head_proxy, .pop_tail = k3_ringacc_ring_pop_tail_proxy, diff --git a/drivers/soc/ti/knav_dma.c b/drivers/soc/ti/knav_dma.c index 6023006685fc..fb0746d8caad 100644 --- a/drivers/soc/ti/knav_dma.c +++ b/drivers/soc/ti/knav_dma.c @@ -602,7 +602,7 @@ static int dma_init(struct device_node *cloud, struct device_node *dma_node) unsigned max_tx_chan, max_rx_chan, max_rx_flow, max_tx_sched; struct device_node *node = dma_node; struct knav_dma_device *dma; - int ret, len, num_chan = 0; + int ret, num_chan = 0; resource_size_t size; u32 timeout; u32 i; @@ -615,25 +615,13 @@ static int dma_init(struct device_node *cloud, struct device_node *dma_node) INIT_LIST_HEAD(&dma->list); INIT_LIST_HEAD(&dma->chan_list); - if (!of_find_property(cloud, "ti,navigator-cloud-address", &len)) { - dev_err(kdev->dev, "unspecified navigator cloud addresses\n"); - return -ENODEV; - } - - dma->logical_queue_managers = len / sizeof(u32); - if (dma->logical_queue_managers > DMA_MAX_QMS) { - dev_warn(kdev->dev, "too many queue mgrs(>%d) rest ignored\n", - dma->logical_queue_managers); - dma->logical_queue_managers = DMA_MAX_QMS; - } - - ret = of_property_read_u32_array(cloud, "ti,navigator-cloud-address", - dma->qm_base_address, - dma->logical_queue_managers); - if (ret) { + ret = of_property_read_variable_u32_array(cloud, "ti,navigator-cloud-address", + dma->qm_base_address, 1, DMA_MAX_QMS); + if (ret < 0) { dev_err(kdev->dev, "invalid navigator cloud addresses\n"); return -ENODEV; } + dma->logical_queue_managers = ret; dma->reg_global = pktdma_get_regs(dma, node, 0, &size); if (IS_ERR(dma->reg_global)) diff --git a/drivers/soc/ti/knav_qmss_queue.c b/drivers/soc/ti/knav_qmss_queue.c index f2055a76f84c..6c98738e548a 100644 --- a/drivers/soc/ti/knav_qmss_queue.c +++ b/drivers/soc/ti/knav_qmss_queue.c @@ -1076,14 +1076,20 @@ static const char *knav_queue_find_name(struct device_node *node) } static int knav_queue_setup_regions(struct knav_device *kdev, - struct device_node *regions) + struct device_node *node) { struct device *dev = kdev->dev; + struct device_node *regions __free(device_node) = + of_get_child_by_name(node, "descriptor-regions"); struct knav_region *region; struct device_node *child; u32 temp[2]; int ret; + if (!regions) + return dev_err_probe(dev, -ENODEV, + "descriptor-regions not specified\n"); + for_each_child_of_node(regions, child) { region = devm_kzalloc(dev, sizeof(*region), GFP_KERNEL); if (!region) { @@ -1104,11 +1110,6 @@ static int knav_queue_setup_regions(struct knav_device *kdev, continue; } - if (!of_get_property(child, "link-index", NULL)) { - dev_err(dev, "No link info for %s\n", region->name); - devm_kfree(dev, region); - continue; - } ret = of_property_read_u32(child, "link-index", ®ion->link_index); if (ret) { @@ -1121,10 +1122,9 @@ static int knav_queue_setup_regions(struct knav_device *kdev, INIT_LIST_HEAD(®ion->pools); list_add_tail(®ion->list, &kdev->regions); } - if (list_empty(&kdev->regions)) { - dev_err(dev, "no valid region information found\n"); - return -ENODEV; - } + if (list_empty(&kdev->regions)) + return dev_err_probe(dev, -ENODEV, + "no valid region information found\n"); /* Next, we run through the regions and set things up */ for_each_region(kdev, region) @@ -1306,10 +1306,16 @@ static int knav_setup_queue_range(struct knav_device *kdev, } static int knav_setup_queue_pools(struct knav_device *kdev, - struct device_node *queue_pools) + struct device_node *node) { + struct device_node *queue_pools __free(device_node) = + of_get_child_by_name(node, "queue-pools"); struct device_node *type, *range; + if (!queue_pools) + return dev_err_probe(kdev->dev, -ENODEV, + "queue-pools not specified\n"); + for_each_child_of_node(queue_pools, type) { for_each_child_of_node(type, range) { /* return value ignored, we init the rest... */ @@ -1318,10 +1324,9 @@ static int knav_setup_queue_pools(struct knav_device *kdev, } /* ... and barf if they all failed! */ - if (list_empty(&kdev->queue_ranges)) { - dev_err(kdev->dev, "no valid queue range found\n"); - return -ENODEV; - } + if (list_empty(&kdev->queue_ranges)) + return dev_err_probe(kdev->dev, -ENODEV, + "no valid queue range found\n"); return 0; } @@ -1389,14 +1394,20 @@ static void __iomem *knav_queue_map_reg(struct knav_device *kdev, } static int knav_queue_init_qmgrs(struct knav_device *kdev, - struct device_node *qmgrs) + struct device_node *node) { struct device *dev = kdev->dev; + struct device_node *qmgrs __free(device_node) = + of_get_child_by_name(node, "qmgrs"); struct knav_qmgr_info *qmgr; struct device_node *child; u32 temp[2]; int ret; + if (!qmgrs) + return dev_err_probe(dev, -ENODEV, + "queue manager info not specified\n"); + for_each_child_of_node(qmgrs, child) { qmgr = devm_kzalloc(dev, sizeof(*qmgr), GFP_KERNEL); if (!qmgr) { @@ -1668,6 +1679,26 @@ static int knav_queue_start_pdsps(struct knav_device *kdev) return 0; } +static int knav_queue_setup_pdsps(struct knav_device *kdev, + struct device_node *node) +{ + struct device_node *pdsps __free(device_node) = + of_get_child_by_name(node, "pdsps"); + + if (pdsps) { + int ret; + + ret = knav_queue_init_pdsps(kdev, pdsps); + if (ret) + return ret; + + ret = knav_queue_start_pdsps(kdev); + if (ret) + return ret; + } + return 0; +} + static inline struct knav_qmgr_info *knav_find_qmgr(unsigned id) { struct knav_qmgr_info *qmgr; @@ -1755,7 +1786,6 @@ MODULE_DEVICE_TABLE(of, keystone_qmss_of_match); static int knav_queue_probe(struct platform_device *pdev) { struct device_node *node = pdev->dev.of_node; - struct device_node *qmgrs, *queue_pools, *regions, *pdsps; struct device *dev = &pdev->dev; u32 temp[2]; int ret; @@ -1799,39 +1829,17 @@ static int knav_queue_probe(struct platform_device *pdev) kdev->num_queues = temp[1]; /* Initialize queue managers using device tree configuration */ - qmgrs = of_get_child_by_name(node, "qmgrs"); - if (!qmgrs) { - dev_err(dev, "queue manager info not specified\n"); - ret = -ENODEV; - goto err; - } - ret = knav_queue_init_qmgrs(kdev, qmgrs); - of_node_put(qmgrs); + ret = knav_queue_init_qmgrs(kdev, node); if (ret) goto err; /* get pdsp configuration values from device tree */ - pdsps = of_get_child_by_name(node, "pdsps"); - if (pdsps) { - ret = knav_queue_init_pdsps(kdev, pdsps); - if (ret) - goto err; - - ret = knav_queue_start_pdsps(kdev); - if (ret) - goto err; - } - of_node_put(pdsps); + ret = knav_queue_setup_pdsps(kdev, node); + if (ret) + goto err; /* get usable queue range values from device tree */ - queue_pools = of_get_child_by_name(node, "queue-pools"); - if (!queue_pools) { - dev_err(dev, "queue-pools not specified\n"); - ret = -ENODEV; - goto err; - } - ret = knav_setup_queue_pools(kdev, queue_pools); - of_node_put(queue_pools); + ret = knav_setup_queue_pools(kdev, node); if (ret) goto err; @@ -1853,14 +1861,7 @@ static int knav_queue_probe(struct platform_device *pdev) if (ret) goto err; - regions = of_get_child_by_name(node, "descriptor-regions"); - if (!regions) { - dev_err(dev, "descriptor-regions not specified\n"); - ret = -ENODEV; - goto err; - } - ret = knav_queue_setup_regions(kdev, regions); - of_node_put(regions); + ret = knav_queue_setup_regions(kdev, node); if (ret) goto err; diff --git a/drivers/soc/ti/pm33xx.c b/drivers/soc/ti/pm33xx.c index 3a56bbf3268a..8169885ab1e0 100644 --- a/drivers/soc/ti/pm33xx.c +++ b/drivers/soc/ti/pm33xx.c @@ -383,54 +383,44 @@ static void am33xx_pm_free_sram(void) */ static int am33xx_pm_alloc_sram(void) { - struct device_node *np; - int ret = 0; + struct device_node *np __free(device_node) = + of_find_compatible_node(NULL, NULL, "ti,omap3-mpu"); - np = of_find_compatible_node(NULL, NULL, "ti,omap3-mpu"); if (!np) { np = of_find_compatible_node(NULL, NULL, "ti,omap4-mpu"); - if (!np) { - dev_err(pm33xx_dev, "PM: %s: Unable to find device node for mpu\n", - __func__); - return -ENODEV; - } + if (!np) + return dev_err_probe(pm33xx_dev, -ENODEV, + "PM: %s: Unable to find device node for mpu\n", + __func__); } sram_pool = of_gen_pool_get(np, "pm-sram", 0); - if (!sram_pool) { - dev_err(pm33xx_dev, "PM: %s: Unable to get sram pool for ocmcram\n", - __func__); - ret = -ENODEV; - goto mpu_put_node; - } + if (!sram_pool) + return dev_err_probe(pm33xx_dev, -ENODEV, + "PM: %s: Unable to get sram pool for ocmcram\n", + __func__); sram_pool_data = of_gen_pool_get(np, "pm-sram", 1); - if (!sram_pool_data) { - dev_err(pm33xx_dev, "PM: %s: Unable to get sram data pool for ocmcram\n", - __func__); - ret = -ENODEV; - goto mpu_put_node; - } + if (!sram_pool_data) + return dev_err_probe(pm33xx_dev, -ENODEV, + "PM: %s: Unable to get sram data pool for ocmcram\n", + __func__); ocmcram_location = gen_pool_alloc(sram_pool, *pm_sram->do_wfi_sz); - if (!ocmcram_location) { - dev_err(pm33xx_dev, "PM: %s: Unable to allocate memory from ocmcram\n", - __func__); - ret = -ENOMEM; - goto mpu_put_node; - } + if (!ocmcram_location) + return dev_err_probe(pm33xx_dev, -ENOMEM, + "PM: %s: Unable to allocate memory from ocmcram\n", + __func__); ocmcram_location_data = gen_pool_alloc(sram_pool_data, sizeof(struct emif_regs_amx3)); if (!ocmcram_location_data) { - dev_err(pm33xx_dev, "PM: Unable to allocate memory from ocmcram\n"); gen_pool_free(sram_pool, ocmcram_location, *pm_sram->do_wfi_sz); - ret = -ENOMEM; + return dev_err_probe(pm33xx_dev, -ENOMEM, + "PM: Unable to allocate memory from ocmcram\n"); } -mpu_put_node: - of_node_put(np); - return ret; + return 0; } static int am33xx_pm_rtc_setup(void) diff --git a/drivers/soc/ti/pruss.c b/drivers/soc/ti/pruss.c index 24a42e0b645c..3ec758f50e24 100644 --- a/drivers/soc/ti/pruss.c +++ b/drivers/soc/ti/pruss.c @@ -380,39 +380,81 @@ put_clk_mux_np: static int pruss_clk_init(struct pruss *pruss, struct device_node *cfg_node) { - const struct pruss_private_data *data; - struct device_node *clks_np; struct device *dev = pruss->dev; - int ret = 0; - - data = of_device_get_match_data(dev); + struct device_node *clks_np __free(device_node) = + of_get_child_by_name(cfg_node, "clocks"); + const struct pruss_private_data *data = of_device_get_match_data(dev); + int ret; - clks_np = of_get_child_by_name(cfg_node, "clocks"); - if (!clks_np) { - dev_err(dev, "%pOF is missing its 'clocks' node\n", cfg_node); - return -ENODEV; - } + if (!clks_np) + return dev_err_probe(dev, -ENODEV, + "%pOF is missing its 'clocks' node\n", + cfg_node); if (data && data->has_core_mux_clock) { ret = pruss_clk_mux_setup(pruss, pruss->core_clk_mux, "coreclk-mux", clks_np); - if (ret) { - dev_err(dev, "failed to setup coreclk-mux\n"); - goto put_clks_node; - } + if (ret) + return dev_err_probe(dev, ret, + "failed to setup coreclk-mux\n"); } ret = pruss_clk_mux_setup(pruss, pruss->iep_clk_mux, "iepclk-mux", clks_np); - if (ret) { - dev_err(dev, "failed to setup iepclk-mux\n"); - goto put_clks_node; - } + if (ret) + return dev_err_probe(dev, ret, "failed to setup iepclk-mux\n"); -put_clks_node: - of_node_put(clks_np); + return 0; +} - return ret; +static int pruss_of_setup_memories(struct device *dev, struct pruss *pruss) +{ + struct device_node *np = dev_of_node(dev); + struct device_node *child __free(device_node) = + of_get_child_by_name(np, "memories"); + const struct pruss_private_data *data = of_device_get_match_data(dev); + const char *mem_names[PRUSS_MEM_MAX] = { "dram0", "dram1", "shrdram2" }; + int i; + + if (!child) + return dev_err_probe(dev, -ENODEV, + "%pOF is missing its 'memories' node\n", + child); + + for (i = 0; i < PRUSS_MEM_MAX; i++) { + struct resource res; + int index; + + /* + * On AM437x one of two PRUSS units don't contain Shared RAM, + * skip it + */ + if (data && data->has_no_sharedram && i == PRUSS_MEM_SHRD_RAM2) + continue; + + index = of_property_match_string(child, "reg-names", + mem_names[i]); + if (index < 0) + return index; + + if (of_address_to_resource(child, index, &res)) + return -EINVAL; + + pruss->mem_regions[i].va = devm_ioremap(dev, res.start, + resource_size(&res)); + if (!pruss->mem_regions[i].va) + return dev_err_probe(dev, -ENOMEM, + "failed to parse and map memory resource %d %s\n", + i, mem_names[i]); + pruss->mem_regions[i].pa = res.start; + pruss->mem_regions[i].size = resource_size(&res); + + dev_dbg(dev, "memory %8s: pa %pa size 0x%zx va %pK\n", + mem_names[i], &pruss->mem_regions[i].pa, + pruss->mem_regions[i].size, pruss->mem_regions[i].va); + } + + return 0; } static struct regmap_config regmap_conf = { @@ -424,26 +466,21 @@ static struct regmap_config regmap_conf = { static int pruss_cfg_of_init(struct device *dev, struct pruss *pruss) { struct device_node *np = dev_of_node(dev); - struct device_node *child; + struct device_node *child __free(device_node) = + of_get_child_by_name(np, "cfg"); struct resource res; int ret; - child = of_get_child_by_name(np, "cfg"); - if (!child) { - dev_err(dev, "%pOF is missing its 'cfg' node\n", child); - return -ENODEV; - } + if (!child) + return dev_err_probe(dev, -ENODEV, + "%pOF is missing its 'cfg' node\n", child); - if (of_address_to_resource(child, 0, &res)) { - ret = -ENOMEM; - goto node_put; - } + if (of_address_to_resource(child, 0, &res)) + return -ENOMEM; pruss->cfg_base = devm_ioremap(dev, res.start, resource_size(&res)); - if (!pruss->cfg_base) { - ret = -ENOMEM; - goto node_put; - } + if (!pruss->cfg_base) + return -ENOMEM; regmap_conf.name = kasprintf(GFP_KERNEL, "%pOFn@%llx", child, (u64)res.start); @@ -452,34 +489,22 @@ static int pruss_cfg_of_init(struct device *dev, struct pruss *pruss) pruss->cfg_regmap = devm_regmap_init_mmio(dev, pruss->cfg_base, ®map_conf); kfree(regmap_conf.name); - if (IS_ERR(pruss->cfg_regmap)) { - dev_err(dev, "regmap_init_mmio failed for cfg, ret = %ld\n", - PTR_ERR(pruss->cfg_regmap)); - ret = PTR_ERR(pruss->cfg_regmap); - goto node_put; - } + if (IS_ERR(pruss->cfg_regmap)) + return dev_err_probe(dev, PTR_ERR(pruss->cfg_regmap), + "regmap_init_mmio failed for cfg\n"); ret = pruss_clk_init(pruss, child); if (ret) - dev_err(dev, "pruss_clk_init failed, ret = %d\n", ret); + return dev_err_probe(dev, ret, "pruss_clk_init failed\n"); -node_put: - of_node_put(child); - return ret; + return 0; } static int pruss_probe(struct platform_device *pdev) { struct device *dev = &pdev->dev; - struct device_node *np = dev_of_node(dev); - struct device_node *child; struct pruss *pruss; - struct resource res; - int ret, i, index; - const struct pruss_private_data *data; - const char *mem_names[PRUSS_MEM_MAX] = { "dram0", "dram1", "shrdram2" }; - - data = of_device_get_match_data(&pdev->dev); + int ret; ret = dma_set_coherent_mask(dev, DMA_BIT_MASK(32)); if (ret) { @@ -494,48 +519,9 @@ static int pruss_probe(struct platform_device *pdev) pruss->dev = dev; mutex_init(&pruss->lock); - child = of_get_child_by_name(np, "memories"); - if (!child) { - dev_err(dev, "%pOF is missing its 'memories' node\n", child); - return -ENODEV; - } - - for (i = 0; i < PRUSS_MEM_MAX; i++) { - /* - * On AM437x one of two PRUSS units don't contain Shared RAM, - * skip it - */ - if (data && data->has_no_sharedram && i == PRUSS_MEM_SHRD_RAM2) - continue; - - index = of_property_match_string(child, "reg-names", - mem_names[i]); - if (index < 0) { - of_node_put(child); - return index; - } - - if (of_address_to_resource(child, index, &res)) { - of_node_put(child); - return -EINVAL; - } - - pruss->mem_regions[i].va = devm_ioremap(dev, res.start, - resource_size(&res)); - if (!pruss->mem_regions[i].va) { - dev_err(dev, "failed to parse and map memory resource %d %s\n", - i, mem_names[i]); - of_node_put(child); - return -ENOMEM; - } - pruss->mem_regions[i].pa = res.start; - pruss->mem_regions[i].size = resource_size(&res); - - dev_dbg(dev, "memory %8s: pa %pa size 0x%zx va %pK\n", - mem_names[i], &pruss->mem_regions[i].pa, - pruss->mem_regions[i].size, pruss->mem_regions[i].va); - } - of_node_put(child); + ret = pruss_of_setup_memories(dev, pruss); + if (ret < 0) + return ret; platform_set_drvdata(pdev, pruss); diff --git a/drivers/soc/versatile/Kconfig b/drivers/soc/versatile/Kconfig index c3792c0a84ac..7bbf54a8d879 100644 --- a/drivers/soc/versatile/Kconfig +++ b/drivers/soc/versatile/Kconfig @@ -4,7 +4,7 @@ # config SOC_INTEGRATOR_CM bool "SoC bus device for the ARM Integrator platform core modules" - depends on ARCH_INTEGRATOR + depends on ARCH_INTEGRATOR || COMPILE_TEST select SOC_BUS help Include support for the SoC bus on the ARM Integrator platform @@ -13,7 +13,7 @@ config SOC_INTEGRATOR_CM config SOC_REALVIEW bool "SoC bus device for the ARM RealView platforms" - depends on ARCH_REALVIEW + depends on ARCH_REALVIEW || COMPILE_TEST select SOC_BUS help Include support for the SoC bus on the ARM RealView platforms diff --git a/drivers/soc/versatile/soc-integrator.c b/drivers/soc/versatile/soc-integrator.c index bab4ad87aa75..d5099a3386b4 100644 --- a/drivers/soc/versatile/soc-integrator.c +++ b/drivers/soc/versatile/soc-integrator.c @@ -113,6 +113,7 @@ static int __init integrator_soc_init(void) return -ENODEV; syscon_regmap = syscon_node_to_regmap(np); + of_node_put(np); if (IS_ERR(syscon_regmap)) return PTR_ERR(syscon_regmap); diff --git a/drivers/soc/versatile/soc-realview.c b/drivers/soc/versatile/soc-realview.c index c6876d232d8f..cf91abe07d38 100644 --- a/drivers/soc/versatile/soc-realview.c +++ b/drivers/soc/versatile/soc-realview.c @@ -4,6 +4,7 @@ * * Author: Linus Walleij <linus.walleij@linaro.org> */ +#include <linux/device.h> #include <linux/init.h> #include <linux/io.h> #include <linux/slab.h> @@ -81,6 +82,13 @@ static struct attribute *realview_attrs[] = { ATTRIBUTE_GROUPS(realview); +static void realview_soc_socdev_release(void *data) +{ + struct soc_device *soc_dev = data; + + soc_device_unregister(soc_dev); +} + static int realview_soc_probe(struct platform_device *pdev) { struct regmap *syscon_regmap; @@ -93,7 +101,7 @@ static int realview_soc_probe(struct platform_device *pdev) if (IS_ERR(syscon_regmap)) return PTR_ERR(syscon_regmap); - soc_dev_attr = kzalloc(sizeof(*soc_dev_attr), GFP_KERNEL); + soc_dev_attr = devm_kzalloc(&pdev->dev, sizeof(*soc_dev_attr), GFP_KERNEL); if (!soc_dev_attr) return -ENOMEM; @@ -106,10 +114,14 @@ static int realview_soc_probe(struct platform_device *pdev) soc_dev_attr->family = "Versatile"; soc_dev_attr->custom_attr_group = realview_groups[0]; soc_dev = soc_device_register(soc_dev_attr); - if (IS_ERR(soc_dev)) { - kfree(soc_dev_attr); + if (IS_ERR(soc_dev)) return -ENODEV; - } + + ret = devm_add_action_or_reset(&pdev->dev, realview_soc_socdev_release, + soc_dev); + if (ret) + return ret; + ret = regmap_read(syscon_regmap, REALVIEW_SYS_ID_OFFSET, &realview_coreid); if (ret) diff --git a/include/dt-bindings/arm/qcom,ids.h b/include/dt-bindings/arm/qcom,ids.h index d6c9e9472121..8332f8d82f96 100644 --- a/include/dt-bindings/arm/qcom,ids.h +++ b/include/dt-bindings/arm/qcom,ids.h @@ -234,11 +234,13 @@ #define QCOM_ID_SA8540P 461 #define QCOM_ID_QCM4290 469 #define QCOM_ID_QCS4290 470 +#define QCOM_ID_SM7325 475 #define QCOM_ID_SM8450_2 480 #define QCOM_ID_SM8450_3 482 #define QCOM_ID_SC7280 487 #define QCOM_ID_SC7180P 495 #define QCOM_ID_QCM6490 497 +#define QCOM_ID_SM7325P 499 #define QCOM_ID_IPQ5000 503 #define QCOM_ID_IPQ0509 504 #define QCOM_ID_IPQ0518 505 @@ -274,6 +276,8 @@ #define QCOM_ID_QCM8550 604 #define QCOM_ID_IPQ5300 624 #define QCOM_ID_IPQ5321 650 +#define QCOM_ID_QCS8300 674 +#define QCOM_ID_QCS8275 675 /* * The board type and revision information, used by Qualcomm bootloaders and diff --git a/include/dt-bindings/soc/qe-fsl,tsa.h b/include/dt-bindings/soc/qe-fsl,tsa.h new file mode 100644 index 000000000000..3cf3df9c0968 --- /dev/null +++ b/include/dt-bindings/soc/qe-fsl,tsa.h @@ -0,0 +1,13 @@ +/* SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause */ + +#ifndef __DT_BINDINGS_SOC_FSL_QE_TSA_H +#define __DT_BINDINGS_SOC_FSL_QE_TSA_H + +#define FSL_QE_TSA_NU 0 +#define FSL_QE_TSA_UCC1 1 +#define FSL_QE_TSA_UCC2 2 +#define FSL_QE_TSA_UCC3 3 +#define FSL_QE_TSA_UCC4 4 +#define FSL_QE_TSA_UCC5 5 + +#endif diff --git a/include/linux/arm_ffa.h b/include/linux/arm_ffa.h index 89683f31ae12..a28e2a6a13d0 100644 --- a/include/linux/arm_ffa.h +++ b/include/linux/arm_ffa.h @@ -73,6 +73,11 @@ #define FFA_FN64_MEM_PERM_GET FFA_SMC_64(0x88) #define FFA_MEM_PERM_SET FFA_SMC_32(0x89) #define FFA_FN64_MEM_PERM_SET FFA_SMC_64(0x89) +#define FFA_CONSOLE_LOG FFA_SMC_32(0x8A) +#define FFA_PARTITION_INFO_GET_REGS FFA_SMC_64(0x8B) +#define FFA_EL3_INTR_HANDLE FFA_SMC_32(0x8C) +#define FFA_MSG_SEND_DIRECT_REQ2 FFA_SMC_64(0x8D) +#define FFA_MSG_SEND_DIRECT_RESP2 FFA_SMC_64(0x8E) /* * For some calls it is necessary to use SMC64 to pass or return 64-bit values. @@ -265,6 +270,11 @@ struct ffa_indirect_msg_hdr { u32 size; }; +/* For use with FFA_MSG_SEND_DIRECT_{REQ,RESP}2 which pass data via registers */ +struct ffa_send_direct_data2 { + unsigned long data[14]; /* x4-x17 */ +}; + struct ffa_mem_region_addr_range { /* The base IPA of the constituent memory region, aligned to 4 kiB */ u64 address; @@ -426,6 +436,8 @@ struct ffa_msg_ops { int (*sync_send_receive)(struct ffa_device *dev, struct ffa_send_direct_data *data); int (*indirect_send)(struct ffa_device *dev, void *buf, size_t sz); + int (*sync_send_receive2)(struct ffa_device *dev, const uuid_t *uuid, + struct ffa_send_direct_data2 *data); }; struct ffa_mem_ops { diff --git a/include/linux/firmware/imx/sm.h b/include/linux/firmware/imx/sm.h new file mode 100644 index 000000000000..9b85a3f028d1 --- /dev/null +++ b/include/linux/firmware/imx/sm.h @@ -0,0 +1,23 @@ +/* SPDX-License-Identifier: GPL-2.0+ */ +/* + * Copyright 2024 NXP + */ + +#ifndef _SCMI_IMX_H +#define _SCMI_IMX_H + +#include <linux/bitfield.h> +#include <linux/errno.h> +#include <linux/types.h> + +#define SCMI_IMX_CTRL_PDM_CLK_SEL 0 /* AON PDM clock sel */ +#define SCMI_IMX_CTRL_MQS1_SETTINGS 1 /* AON MQS settings */ +#define SCMI_IMX_CTRL_SAI1_MCLK 2 /* AON SAI1 MCLK */ +#define SCMI_IMX_CTRL_SAI3_MCLK 3 /* WAKE SAI3 MCLK */ +#define SCMI_IMX_CTRL_SAI4_MCLK 4 /* WAKE SAI4 MCLK */ +#define SCMI_IMX_CTRL_SAI5_MCLK 5 /* WAKE SAI5 MCLK */ + +int scmi_imx_misc_ctrl_get(u32 id, u32 *num, u32 *val); +int scmi_imx_misc_ctrl_set(u32 id, u32 val); + +#endif diff --git a/include/linux/omap-gpmc.h b/include/linux/omap-gpmc.h index 082841908fe7..c9e3843d2dd5 100644 --- a/include/linux/omap-gpmc.h +++ b/include/linux/omap-gpmc.h @@ -84,13 +84,3 @@ extern void gpmc_read_settings_dt(struct device_node *np, struct gpmc_timings; struct omap_nand_platform_data; struct omap_onenand_platform_data; - -#if IS_ENABLED(CONFIG_MTD_ONENAND_OMAP2) -extern int gpmc_onenand_init(struct omap_onenand_platform_data *d); -#else -#define board_onenand_data NULL -static inline int gpmc_onenand_init(struct omap_onenand_platform_data *d) -{ - return 0; -} -#endif diff --git a/include/linux/platform_data/ti-aemif.h b/include/linux/platform_data/ti-aemif.h deleted file mode 100644 index 77625251df07..000000000000 --- a/include/linux/platform_data/ti-aemif.h +++ /dev/null @@ -1,45 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0-only */ -/* - * TI DaVinci AEMIF platform glue. - * - * Copyright (C) 2017 BayLibre SAS - * - * Author: - * Bartosz Golaszewski <bgolaszewski@baylibre.com> - */ - -#ifndef __TI_DAVINCI_AEMIF_DATA_H__ -#define __TI_DAVINCI_AEMIF_DATA_H__ - -#include <linux/of_platform.h> - -/** - * struct aemif_abus_data - Async bus configuration parameters. - * - * @cs - Chip-select number. - */ -struct aemif_abus_data { - u32 cs; -}; - -/** - * struct aemif_platform_data - Data to set up the TI aemif driver. - * - * @dev_lookup: of_dev_auxdata passed to of_platform_populate() for aemif - * subdevices. - * @cs_offset: Lowest allowed chip-select number. - * @abus_data: Array of async bus configuration entries. - * @num_abus_data: Number of abus entries. - * @sub_devices: Array of platform subdevices. - * @num_sub_devices: Number of subdevices. - */ -struct aemif_platform_data { - struct of_dev_auxdata *dev_lookup; - u32 cs_offset; - struct aemif_abus_data *abus_data; - size_t num_abus_data; - struct platform_device *sub_devices; - size_t num_sub_devices; -}; - -#endif /* __TI_DAVINCI_AEMIF_DATA_H__ */ diff --git a/include/linux/scmi_imx_protocol.h b/include/linux/scmi_imx_protocol.h new file mode 100644 index 000000000000..066216f1357a --- /dev/null +++ b/include/linux/scmi_imx_protocol.h @@ -0,0 +1,59 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ +/* + * SCMI Message Protocol driver NXP extension header + * + * Copyright 2024 NXP. + */ + +#ifndef _LINUX_SCMI_NXP_PROTOCOL_H +#define _LINUX_SCMI_NXP_PROTOCOL_H + +#include <linux/bitfield.h> +#include <linux/device.h> +#include <linux/notifier.h> +#include <linux/types.h> + +enum scmi_nxp_protocol { + SCMI_PROTOCOL_IMX_BBM = 0x81, + SCMI_PROTOCOL_IMX_MISC = 0x84, +}; + +struct scmi_imx_bbm_proto_ops { + int (*rtc_time_set)(const struct scmi_protocol_handle *ph, u32 id, + uint64_t sec); + int (*rtc_time_get)(const struct scmi_protocol_handle *ph, u32 id, + u64 *val); + int (*rtc_alarm_set)(const struct scmi_protocol_handle *ph, u32 id, + bool enable, u64 sec); + int (*button_get)(const struct scmi_protocol_handle *ph, u32 *state); +}; + +enum scmi_nxp_notification_events { + SCMI_EVENT_IMX_BBM_RTC = 0x0, + SCMI_EVENT_IMX_BBM_BUTTON = 0x1, + SCMI_EVENT_IMX_MISC_CONTROL = 0x0, +}; + +struct scmi_imx_bbm_notif_report { + bool is_rtc; + bool is_button; + ktime_t timestamp; + unsigned int rtc_id; + unsigned int rtc_evt; +}; + +struct scmi_imx_misc_ctrl_notify_report { + ktime_t timestamp; + unsigned int ctrl_id; + unsigned int flags; +}; + +struct scmi_imx_misc_proto_ops { + int (*misc_ctrl_set)(const struct scmi_protocol_handle *ph, u32 id, + u32 num, u32 *val); + int (*misc_ctrl_get)(const struct scmi_protocol_handle *ph, u32 id, + u32 *num, u32 *val); + int (*misc_ctrl_req_notify)(const struct scmi_protocol_handle *ph, + u32 ctrl_id, u32 evt_id, u32 flags); +}; +#endif diff --git a/include/soc/fsl/qe/qe.h b/include/soc/fsl/qe/qe.h index af793f2a0ec4..8f967d15e479 100644 --- a/include/soc/fsl/qe/qe.h +++ b/include/soc/fsl/qe/qe.h @@ -23,6 +23,8 @@ #include <linux/of_address.h> #include <linux/types.h> +struct device; + #define QE_NUM_OF_SNUM 256 /* There are 256 serial number in QE */ #define QE_NUM_OF_BRGS 16 #define QE_NUM_OF_PORTS 1024 @@ -93,8 +95,12 @@ int cpm_muram_init(void); #if defined(CONFIG_CPM) || defined(CONFIG_QUICC_ENGINE) s32 cpm_muram_alloc(unsigned long size, unsigned long align); +s32 devm_cpm_muram_alloc(struct device *dev, unsigned long size, + unsigned long align); void cpm_muram_free(s32 offset); s32 cpm_muram_alloc_fixed(unsigned long offset, unsigned long size); +s32 devm_cpm_muram_alloc_fixed(struct device *dev, unsigned long offset, + unsigned long size); void __iomem *cpm_muram_addr(unsigned long offset); unsigned long cpm_muram_offset(const void __iomem *addr); dma_addr_t cpm_muram_dma(void __iomem *addr); @@ -106,6 +112,12 @@ static inline s32 cpm_muram_alloc(unsigned long size, return -ENOSYS; } +static inline s32 devm_cpm_muram_alloc(struct device *dev, unsigned long size, + unsigned long align) +{ + return -ENOSYS; +} + static inline void cpm_muram_free(s32 offset) { } @@ -116,6 +128,13 @@ static inline s32 cpm_muram_alloc_fixed(unsigned long offset, return -ENOSYS; } +static inline s32 devm_cpm_muram_alloc_fixed(struct device *dev, + unsigned long offset, + unsigned long size) +{ + return -ENOSYS; +} + static inline void __iomem *cpm_muram_addr(unsigned long offset) { return NULL; @@ -172,7 +191,6 @@ static inline int par_io_data_set(u8 port, u8 pin, u8 val) { return -ENOSYS; } /* * Pin multiplexing functions. */ -struct device; struct qe_pin; #ifdef CONFIG_QE_GPIO extern struct qe_pin *qe_pin_request(struct device *dev, int index); @@ -233,7 +251,9 @@ static inline int qe_alive_during_sleep(void) /* we actually use cpm_muram implementation, define this for convenience */ #define qe_muram_init cpm_muram_init #define qe_muram_alloc cpm_muram_alloc +#define devm_qe_muram_alloc devm_cpm_muram_alloc #define qe_muram_alloc_fixed cpm_muram_alloc_fixed +#define devm_qe_muram_alloc_fixed devm_cpm_muram_alloc_fixed #define qe_muram_free cpm_muram_free #define qe_muram_addr cpm_muram_addr #define qe_muram_offset cpm_muram_offset @@ -449,6 +469,7 @@ enum comm_dir { #define QE_QMC_STOP_TX 0x0000000c #define QE_QMC_STOP_RX 0x0000000d #define QE_SS7_SU_FIL_RESET 0x0000000e +#define QE_PUSHSCHED 0x0000000f /* jonathbr added from here down for 83xx */ #define QE_RESET_BCS 0x0000000a #define QE_MCC_INIT_TX_RX_16 0x00000003 |