diff options
author | Arnd Bergmann <arnd@arndb.de> | 2022-09-30 08:17:44 +0200 |
---|---|---|
committer | Arnd Bergmann <arnd@arndb.de> | 2023-01-20 11:24:04 +0100 |
commit | 8ca79aaad8becbda085e740c521a792f281c8a6d (patch) | |
tree | d766dc0778072807ebdddf58b7beac05542e8616 | |
parent | 0ddc052416a3a34700b8a16bad02d31369419553 (diff) |
ARM: pxa: remove unused pxa3xx-ulpi
This was only used by the cm-x300 board, which is now gone.
Cc: Alan Stern <stern@rowland.harvard.edu>
Cc: linux-usb@vger.kernel.org
Acked-by: Robert Jarzmik <robert.jarzmik@free.fr>
Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
-rw-r--r-- | arch/arm/mach-pxa/Kconfig | 4 | ||||
-rw-r--r-- | arch/arm/mach-pxa/Makefile | 2 | ||||
-rw-r--r-- | arch/arm/mach-pxa/devices.c | 28 | ||||
-rw-r--r-- | arch/arm/mach-pxa/devices.h | 1 | ||||
-rw-r--r-- | arch/arm/mach-pxa/pxa3xx-ulpi.c | 385 | ||||
-rw-r--r-- | arch/arm/mach-pxa/regs-u2d.h | 199 | ||||
-rw-r--r-- | drivers/usb/host/ohci-pxa27x.c | 9 | ||||
-rw-r--r-- | include/linux/platform_data/usb-pxa3xx-ulpi.h | 32 |
8 files changed, 1 insertions, 659 deletions
diff --git a/arch/arm/mach-pxa/Kconfig b/arch/arm/mach-pxa/Kconfig index 74bca40ee7f4..10e472f4fa43 100644 --- a/arch/arm/mach-pxa/Kconfig +++ b/arch/arm/mach-pxa/Kconfig @@ -144,7 +144,6 @@ config CPU_PXA300 config CPU_PXA310 bool select CPU_PXA300 - select PXA310_ULPI if USB_ULPI help PXA310 (codename Monahans-LV) @@ -172,7 +171,4 @@ config SHARPSL_PM_MAX1111 select SPI select SPI_MASTER -config PXA310_ULPI - bool - endif diff --git a/arch/arm/mach-pxa/Makefile b/arch/arm/mach-pxa/Makefile index 61a4be88e607..faccdd356482 100644 --- a/arch/arm/mach-pxa/Makefile +++ b/arch/arm/mach-pxa/Makefile @@ -12,7 +12,7 @@ obj-$(CONFIG_PM) += pm.o sleep.o standby.o # SoC-specific code obj-$(CONFIG_PXA25x) += mfp-pxa2xx.o pxa2xx.o pxa25x.o obj-$(CONFIG_PXA27x) += mfp-pxa2xx.o pxa2xx.o pxa27x.o -obj-$(CONFIG_PXA3xx) += mfp-pxa3xx.o pxa3xx.o smemc.o pxa3xx-ulpi.o +obj-$(CONFIG_PXA3xx) += mfp-pxa3xx.o pxa3xx.o smemc.o obj-$(CONFIG_CPU_PXA300) += pxa300.o obj-$(CONFIG_CPU_PXA320) += pxa320.o diff --git a/arch/arm/mach-pxa/devices.c b/arch/arm/mach-pxa/devices.c index 72adaac9f332..8e3bc56d2044 100644 --- a/arch/arm/mach-pxa/devices.c +++ b/arch/arm/mach-pxa/devices.c @@ -12,7 +12,6 @@ #include <linux/soc/pxa/cpu.h> #include "udc.h" -#include <linux/platform_data/usb-pxa3xx-ulpi.h> #include <linux/platform_data/video-pxafb.h> #include <linux/platform_data/mmc-pxamci.h> #include "irqs.h" @@ -130,33 +129,6 @@ struct platform_device pxa27x_device_udc = { } }; -#ifdef CONFIG_PXA3xx -static struct resource pxa3xx_u2d_resources[] = { - [0] = { - .start = 0x54100000, - .end = 0x54100fff, - .flags = IORESOURCE_MEM, - }, - [1] = { - .start = IRQ_USB2, - .end = IRQ_USB2, - .flags = IORESOURCE_IRQ, - }, -}; - -struct platform_device pxa3xx_device_u2d = { - .name = "pxa3xx-u2d", - .id = -1, - .resource = pxa3xx_u2d_resources, - .num_resources = ARRAY_SIZE(pxa3xx_u2d_resources), -}; - -void __init pxa3xx_set_u2d_info(struct pxa3xx_u2d_platform_data *info) -{ - pxa_register_device(&pxa3xx_device_u2d, info); -} -#endif /* CONFIG_PXA3xx */ - static struct resource pxafb_resources[] = { [0] = { .start = 0x44000000, diff --git a/arch/arm/mach-pxa/devices.h b/arch/arm/mach-pxa/devices.h index 2828bea76cd7..82c83939017a 100644 --- a/arch/arm/mach-pxa/devices.h +++ b/arch/arm/mach-pxa/devices.h @@ -9,7 +9,6 @@ extern struct platform_device pxa3xx_device_mci2; extern struct platform_device pxa3xx_device_mci3; extern struct platform_device pxa25x_device_udc; extern struct platform_device pxa27x_device_udc; -extern struct platform_device pxa3xx_device_u2d; extern struct platform_device pxa_device_fb; extern struct platform_device pxa_device_ffuart; extern struct platform_device pxa_device_btuart; diff --git a/arch/arm/mach-pxa/pxa3xx-ulpi.c b/arch/arm/mach-pxa/pxa3xx-ulpi.c deleted file mode 100644 index c29a7f0fa1b0..000000000000 --- a/arch/arm/mach-pxa/pxa3xx-ulpi.c +++ /dev/null @@ -1,385 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0-only -/* - * linux/arch/arm/mach-pxa/pxa3xx-ulpi.c - * - * code specific to pxa3xx aka Monahans - * - * Copyright (C) 2010 CompuLab Ltd. - * - * 2010-13-07: Igor Grinberg <grinberg@compulab.co.il> - * initial version: pxa310 USB Host mode support - */ - -#include <linux/module.h> -#include <linux/kernel.h> -#include <linux/slab.h> -#include <linux/device.h> -#include <linux/platform_device.h> -#include <linux/err.h> -#include <linux/io.h> -#include <linux/delay.h> -#include <linux/clk.h> -#include <linux/usb.h> -#include <linux/usb/otg.h> -#include <linux/soc/pxa/cpu.h> - -#include "regs-u2d.h" -#include <linux/platform_data/usb-pxa3xx-ulpi.h> - -struct pxa3xx_u2d_ulpi { - struct clk *clk; - void __iomem *mmio_base; - - struct usb_phy *otg; - unsigned int ulpi_mode; -}; - -static struct pxa3xx_u2d_ulpi *u2d; - -static inline u32 u2d_readl(u32 reg) -{ - return __raw_readl(u2d->mmio_base + reg); -} - -static inline void u2d_writel(u32 reg, u32 val) -{ - __raw_writel(val, u2d->mmio_base + reg); -} - -#if defined(CONFIG_PXA310_ULPI) -enum u2d_ulpi_phy_mode { - SYNCH = 0, - CARKIT = (1 << 0), - SER_3PIN = (1 << 1), - SER_6PIN = (1 << 2), - LOWPOWER = (1 << 3), -}; - -static inline enum u2d_ulpi_phy_mode pxa310_ulpi_get_phymode(void) -{ - return (u2d_readl(U2DOTGUSR) >> 28) & 0xF; -} - -static int pxa310_ulpi_poll(void) -{ - int timeout = 50000; - - while (timeout--) { - if (!(u2d_readl(U2DOTGUCR) & U2DOTGUCR_RUN)) - return 0; - - cpu_relax(); - } - - pr_warn("%s: ULPI access timed out!\n", __func__); - - return -ETIMEDOUT; -} - -static int pxa310_ulpi_read(struct usb_phy *otg, u32 reg) -{ - int err; - - if (pxa310_ulpi_get_phymode() != SYNCH) { - pr_warn("%s: PHY is not in SYNCH mode!\n", __func__); - return -EBUSY; - } - - u2d_writel(U2DOTGUCR, U2DOTGUCR_RUN | U2DOTGUCR_RNW | (reg << 16)); - msleep(5); - - err = pxa310_ulpi_poll(); - if (err) - return err; - - return u2d_readl(U2DOTGUCR) & U2DOTGUCR_RDATA; -} - -static int pxa310_ulpi_write(struct usb_phy *otg, u32 val, u32 reg) -{ - if (pxa310_ulpi_get_phymode() != SYNCH) { - pr_warn("%s: PHY is not in SYNCH mode!\n", __func__); - return -EBUSY; - } - - u2d_writel(U2DOTGUCR, U2DOTGUCR_RUN | (reg << 16) | (val << 8)); - msleep(5); - - return pxa310_ulpi_poll(); -} - -struct usb_phy_io_ops pxa310_ulpi_access_ops = { - .read = pxa310_ulpi_read, - .write = pxa310_ulpi_write, -}; - -static void pxa310_otg_transceiver_rtsm(void) -{ - u32 u2dotgcr; - - /* put PHY to sync mode */ - u2dotgcr = u2d_readl(U2DOTGCR); - u2dotgcr |= U2DOTGCR_RTSM | U2DOTGCR_UTMID; - u2d_writel(U2DOTGCR, u2dotgcr); - msleep(10); - - /* setup OTG sync mode */ - u2dotgcr = u2d_readl(U2DOTGCR); - u2dotgcr |= U2DOTGCR_ULAF; - u2dotgcr &= ~(U2DOTGCR_SMAF | U2DOTGCR_CKAF); - u2d_writel(U2DOTGCR, u2dotgcr); -} - -static int pxa310_start_otg_host_transcvr(struct usb_bus *host) -{ - int err; - - pxa310_otg_transceiver_rtsm(); - - err = usb_phy_init(u2d->otg); - if (err) { - pr_err("OTG transceiver init failed"); - return err; - } - - err = otg_set_vbus(u2d->otg->otg, 1); - if (err) { - pr_err("OTG transceiver VBUS set failed"); - return err; - } - - err = otg_set_host(u2d->otg->otg, host); - if (err) - pr_err("OTG transceiver Host mode set failed"); - - return err; -} - -static int pxa310_start_otg_hc(struct usb_bus *host) -{ - u32 u2dotgcr; - int err; - - /* disable USB device controller */ - u2d_writel(U2DCR, u2d_readl(U2DCR) & ~U2DCR_UDE); - u2d_writel(U2DOTGCR, u2d_readl(U2DOTGCR) | U2DOTGCR_UTMID); - u2d_writel(U2DOTGICR, u2d_readl(U2DOTGICR) & ~0x37F7F); - - err = pxa310_start_otg_host_transcvr(host); - if (err) - return err; - - /* set xceiver mode */ - if (u2d->ulpi_mode & ULPI_IC_6PIN_SERIAL) - u2d_writel(U2DP3CR, u2d_readl(U2DP3CR) & ~U2DP3CR_P2SS); - else if (u2d->ulpi_mode & ULPI_IC_3PIN_SERIAL) - u2d_writel(U2DP3CR, u2d_readl(U2DP3CR) | U2DP3CR_P2SS); - - /* start OTG host controller */ - u2dotgcr = u2d_readl(U2DOTGCR) | U2DOTGCR_SMAF; - u2d_writel(U2DOTGCR, u2dotgcr & ~(U2DOTGCR_ULAF | U2DOTGCR_CKAF)); - - return 0; -} - -static void pxa310_stop_otg_hc(void) -{ - pxa310_otg_transceiver_rtsm(); - - otg_set_host(u2d->otg->otg, NULL); - otg_set_vbus(u2d->otg->otg, 0); - usb_phy_shutdown(u2d->otg); -} - -static void pxa310_u2d_setup_otg_hc(void) -{ - u32 u2dotgcr; - - u2dotgcr = u2d_readl(U2DOTGCR); - u2dotgcr |= U2DOTGCR_ULAF | U2DOTGCR_UTMID; - u2dotgcr &= ~(U2DOTGCR_SMAF | U2DOTGCR_CKAF); - u2d_writel(U2DOTGCR, u2dotgcr); - msleep(5); - u2d_writel(U2DOTGCR, u2dotgcr | U2DOTGCR_ULE); - msleep(5); - u2d_writel(U2DOTGICR, u2d_readl(U2DOTGICR) & ~0x37F7F); -} - -static int pxa310_otg_init(struct pxa3xx_u2d_platform_data *pdata) -{ - unsigned int ulpi_mode = ULPI_OTG_DRVVBUS; - - if (pdata) { - if (pdata->ulpi_mode & ULPI_SER_6PIN) - ulpi_mode |= ULPI_IC_6PIN_SERIAL; - else if (pdata->ulpi_mode & ULPI_SER_3PIN) - ulpi_mode |= ULPI_IC_3PIN_SERIAL; - } - - u2d->ulpi_mode = ulpi_mode; - - u2d->otg = otg_ulpi_create(&pxa310_ulpi_access_ops, ulpi_mode); - if (!u2d->otg) - return -ENOMEM; - - u2d->otg->io_priv = u2d->mmio_base; - - return 0; -} - -static void pxa310_otg_exit(void) -{ - kfree(u2d->otg); -} -#else -static inline void pxa310_u2d_setup_otg_hc(void) {} -static inline int pxa310_start_otg_hc(struct usb_bus *host) -{ - return 0; -} -static inline void pxa310_stop_otg_hc(void) {} -static inline int pxa310_otg_init(struct pxa3xx_u2d_platform_data *pdata) -{ - return 0; -} -static inline void pxa310_otg_exit(void) {} -#endif /* CONFIG_PXA310_ULPI */ - -int pxa3xx_u2d_start_hc(struct usb_bus *host) -{ - int err = 0; - - /* In case the PXA3xx ULPI isn't used, do nothing. */ - if (!u2d) - return 0; - - clk_prepare_enable(u2d->clk); - - if (cpu_is_pxa310()) { - pxa310_u2d_setup_otg_hc(); - err = pxa310_start_otg_hc(host); - } - - return err; -} -EXPORT_SYMBOL_GPL(pxa3xx_u2d_start_hc); - -void pxa3xx_u2d_stop_hc(struct usb_bus *host) -{ - /* In case the PXA3xx ULPI isn't used, do nothing. */ - if (!u2d) - return; - - if (cpu_is_pxa310()) - pxa310_stop_otg_hc(); - - clk_disable_unprepare(u2d->clk); -} -EXPORT_SYMBOL_GPL(pxa3xx_u2d_stop_hc); - -static int pxa3xx_u2d_probe(struct platform_device *pdev) -{ - struct pxa3xx_u2d_platform_data *pdata = pdev->dev.platform_data; - struct resource *r; - int err; - - u2d = kzalloc(sizeof(*u2d), GFP_KERNEL); - if (!u2d) - return -ENOMEM; - - u2d->clk = clk_get(&pdev->dev, NULL); - if (IS_ERR(u2d->clk)) { - dev_err(&pdev->dev, "failed to get u2d clock\n"); - err = PTR_ERR(u2d->clk); - goto err_free_mem; - } - - r = platform_get_resource(pdev, IORESOURCE_MEM, 0); - if (!r) { - dev_err(&pdev->dev, "no IO memory resource defined\n"); - err = -ENODEV; - goto err_put_clk; - } - - r = request_mem_region(r->start, resource_size(r), pdev->name); - if (!r) { - dev_err(&pdev->dev, "failed to request memory resource\n"); - err = -EBUSY; - goto err_put_clk; - } - - u2d->mmio_base = ioremap(r->start, resource_size(r)); - if (!u2d->mmio_base) { - dev_err(&pdev->dev, "ioremap() failed\n"); - err = -ENODEV; - goto err_free_res; - } - - if (pdata->init) { - err = pdata->init(&pdev->dev); - if (err) - goto err_free_io; - } - - /* Only PXA310 U2D has OTG functionality */ - if (cpu_is_pxa310()) { - err = pxa310_otg_init(pdata); - if (err) - goto err_free_plat; - } - - platform_set_drvdata(pdev, u2d); - - return 0; - -err_free_plat: - if (pdata->exit) - pdata->exit(&pdev->dev); -err_free_io: - iounmap(u2d->mmio_base); -err_free_res: - release_mem_region(r->start, resource_size(r)); -err_put_clk: - clk_put(u2d->clk); -err_free_mem: - kfree(u2d); - return err; -} - -static int pxa3xx_u2d_remove(struct platform_device *pdev) -{ - struct pxa3xx_u2d_platform_data *pdata = pdev->dev.platform_data; - struct resource *r; - - if (cpu_is_pxa310()) { - pxa310_stop_otg_hc(); - pxa310_otg_exit(); - } - - if (pdata->exit) - pdata->exit(&pdev->dev); - - platform_set_drvdata(pdev, NULL); - iounmap(u2d->mmio_base); - r = platform_get_resource(pdev, IORESOURCE_MEM, 0); - release_mem_region(r->start, resource_size(r)); - - clk_put(u2d->clk); - - kfree(u2d); - - return 0; -} - -static struct platform_driver pxa3xx_u2d_ulpi_driver = { - .driver = { - .name = "pxa3xx-u2d", - }, - .probe = pxa3xx_u2d_probe, - .remove = pxa3xx_u2d_remove, -}; -module_platform_driver(pxa3xx_u2d_ulpi_driver); - -MODULE_DESCRIPTION("PXA3xx U2D ULPI driver"); -MODULE_AUTHOR("Igor Grinberg"); -MODULE_LICENSE("GPL v2"); diff --git a/arch/arm/mach-pxa/regs-u2d.h b/arch/arm/mach-pxa/regs-u2d.h deleted file mode 100644 index ab517ba62c9a..000000000000 --- a/arch/arm/mach-pxa/regs-u2d.h +++ /dev/null @@ -1,199 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0 */ -#ifndef __ASM_ARCH_PXA3xx_U2D_H -#define __ASM_ARCH_PXA3xx_U2D_H - -/* - * USB2 device controller registers and bits definitions - */ -#define U2DCR (0x0000) /* U2D Control Register */ -#define U2DCR_NDC (1 << 31) /* NAK During Config */ -#define U2DCR_HSTC (0x7 << 28) /* High Speed Timeout Calibration */ -#define U2DCR_SPEOREN (1 << 27) /* Short Packet EOR INTR generation Enable */ -#define U2DCR_FSTC (0x7 << 24) /* Full Speed Timeout Calibration */ -#define U2DCR_UCLKOVR (1 << 22) /* UTM Clock Override */ -#define U2DCR_ABP (1 << 21) /* Application Bus Power */ -#define U2DCR_ADD (1 << 20) /* Application Device Disconnect */ -#define U2DCR_CC (1 << 19) /* Configuration Change */ -#define U2DCR_HS (1 << 18) /* High Speed USB Detection */ -#define U2DCR_SMAC (1 << 17) /* Switch Endpoint Memory to Active Configuration */ -#define U2DCR_DWRE (1 << 16) /* Device Remote Wake-up Feature */ -#define U2DCR_ACN (0xf << 12) /* Active U2D Configuration Number */ -#define U2DCR_AIN (0xf << 8) /* Active U2D Interface Number */ -#define U2DCR_AAISN (0xf << 4) /* Active U2D Alternate Interface Setting Number */ -#define U2DCR_EMCE (1 << 3) /* Endpoint Memory Configuration Error */ -#define U2DCR_UDR (1 << 2) /* U2D Resume */ -#define U2DCR_UDA (1 << 1) /* U2D Active */ -#define U2DCR_UDE (1 << 0) /* U2D Enable */ - -#define U2DICR (0x0004) /* U2D Interrupt Control Register */ -#define U2DISR (0x000C) /* U2D Interrupt Status Register */ -#define U2DINT_CC (1 << 31) /* Interrupt - Configuration Change */ -#define U2DINT_SOF (1 << 30) /* Interrupt - SOF */ -#define U2DINT_USOF (1 << 29) /* Interrupt - micro SOF */ -#define U2DINT_RU (1 << 28) /* Interrupt - Resume */ -#define U2DINT_SU (1 << 27) /* Interrupt - Suspend */ -#define U2DINT_RS (1 << 26) /* Interrupt - Reset */ -#define U2DINT_DPE (1 << 25) /* Interrupt - Data Packet Error */ -#define U2DINT_FIFOERR (0x4) /* Interrupt - endpoint FIFO error */ -#define U2DINT_PACKETCMP (0x2) /* Interrupt - endpoint packet complete */ -#define U2DINT_SPACKETCMP (0x1) /* Interrupt - endpoint short packet complete */ - -#define U2DFNR (0x0014) /* U2D Frame Number Register */ - -#define U2DINT(n, intr) (((intr) & 0x07) << (((n) & 0x07) * 3)) -#define U2DICR2 (0x0008) /* U2D Interrupt Control Register 2 */ -#define U2DISR2 (0x0010) /* U2D Interrupt Status Register 2 */ - -#define U2DOTGCR (0x0020) /* U2D OTG Control Register */ -#define U2DOTGCR_OTGEN (1 << 31) /* On-The-Go Enable */ -#define U2DOTGCR_AALTHNP (1 << 30) /* A-device Alternate Host Negotiation Protocal Port Support */ -#define U2DOTGCR_AHNP (1 << 29) /* A-device Host Negotiation Protocal Support */ -#define U2DOTGCR_BHNP (1 << 28) /* B-device Host Negotiation Protocal Enable */ - -#ifdef CONFIG_CPU_PXA930 -#define U2DOTGCR_LPA (1 << 15) /* ULPI low power mode active */ -#define U2DOTGCR_IESI (1 << 13) /* OTG interrupt Enable */ -#define U2DOTGCR_ISSI (1 << 12) /* OTG interrupt status */ -#endif - -#define U2DOTGCR_CKAF (1 << 5) /* Carkit Mode Alternate Function Select */ -#define U2DOTGCR_UTMID (1 << 4) /* UTMI Interface Disable */ -#define U2DOTGCR_ULAF (1 << 3) /* ULPI Mode Alternate Function Select */ -#define U2DOTGCR_SMAF (1 << 2) /* Serial Mode Alternate Function Select */ -#define U2DOTGCR_RTSM (1 << 1) /* Return to Synchronous Mode (ULPI Mode) */ -#define U2DOTGCR_ULE (1 << 0) /* ULPI Wrapper Enable */ - -#define U2DOTGICR (0x0024) /* U2D OTG Interrupt Control Register */ -#define U2DOTGISR (0x0028) /* U2D OTG Interrupt Status Register */ - -#define U2DOTGINT_SF (1 << 17) /* OTG Set Feature Command Received */ -#define U2DOTGINT_SI (1 << 16) /* OTG Interrupt */ -#define U2DOTGINT_RLS1 (1 << 14) /* RXCMD Linestate[1] Change Interrupt Rise */ -#define U2DOTGINT_RLS0 (1 << 13) /* RXCMD Linestate[0] Change Interrupt Rise */ -#define U2DOTGINT_RID (1 << 12) /* RXCMD OTG ID Change Interrupt Rise */ -#define U2DOTGINT_RSE (1 << 11) /* RXCMD OTG Session End Interrupt Rise */ -#define U2DOTGINT_RSV (1 << 10) /* RXCMD OTG Session Valid Interrupt Rise */ -#define U2DOTGINT_RVV (1 << 9) /* RXCMD OTG Vbus Valid Interrupt Rise */ -#define U2DOTGINT_RCK (1 << 8) /* RXCMD Carkit Interrupt Rise */ -#define U2DOTGINT_FLS1 (1 << 6) /* RXCMD Linestate[1] Change Interrupt Fall */ -#define U2DOTGINT_FLS0 (1 << 5) /* RXCMD Linestate[0] Change Interrupt Fall */ -#define U2DOTGINT_FID (1 << 4) /* RXCMD OTG ID Change Interrupt Fall */ -#define U2DOTGINT_FSE (1 << 3) /* RXCMD OTG Session End Interrupt Fall */ -#define U2DOTGINT_FSV (1 << 2) /* RXCMD OTG Session Valid Interrupt Fall */ -#define U2DOTGINT_FVV (1 << 1) /* RXCMD OTG Vbus Valid Interrupt Fall */ -#define U2DOTGINT_FCK (1 << 0) /* RXCMD Carkit Interrupt Fall */ - -#define U2DOTGUSR (0x002C) /* U2D OTG ULPI Status Register */ -#define U2DOTGUSR_LPA (1 << 31) /* ULPI Low Power Mode Active */ -#define U2DOTGUSR_S6A (1 << 30) /* ULPI Serial Mode (6-pin) Active */ -#define U2DOTGUSR_S3A (1 << 29) /* ULPI Serial Mode (3-pin) Active */ -#define U2DOTGUSR_CKA (1 << 28) /* ULPI Car Kit Mode Active */ -#define U2DOTGUSR_LS1 (1 << 6) /* RXCMD Linestate 1 Status */ -#define U2DOTGUSR_LS0 (1 << 5) /* RXCMD Linestate 0 Status */ -#define U2DOTGUSR_ID (1 << 4) /* OTG IDGnd Status */ -#define U2DOTGUSR_SE (1 << 3) /* OTG Session End Status */ -#define U2DOTGUSR_SV (1 << 2) /* OTG Session Valid Status */ -#define U2DOTGUSR_VV (1 << 1) /* OTG Vbus Valid Status */ -#define U2DOTGUSR_CK (1 << 0) /* Carkit Interrupt Status */ - -#define U2DOTGUCR (0x0030) /* U2D OTG ULPI Control Register */ -#define U2DOTGUCR_RUN (1 << 25) /* RUN */ -#define U2DOTGUCR_RNW (1 << 24) /* Read or Write operation */ -#define U2DOTGUCR_ADDR (0x3f << 16) /* Address of the ULPI PHY register */ -#define U2DOTGUCR_WDATA (0xff << 8) /* The data for a WRITE command */ -#define U2DOTGUCR_RDATA (0xff << 0) /* The data for a READ command */ - -#define U2DP3CR (0x0034) /* U2D Port 3 Control Register */ -#define U2DP3CR_P2SS (0x3 << 8) /* Host Port 2 Serial Mode Select */ -#define U2DP3CR_P3SS (0x7 << 4) /* Host Port 3 Serial Mode Select */ -#define U2DP3CR_VPVMBEN (0x1 << 2) /* Host Port 3 Vp/Vm Block Enable */ -#define U2DP3CR_CFG (0x3 << 0) /* Host Port 3 Configuration */ - -#define U2DCSR0 (0x0100) /* U2D Control/Status Register - Endpoint 0 */ -#define U2DCSR0_IPA (1 << 8) /* IN Packet Adjusted */ -#define U2DCSR0_SA (1 << 7) /* SETUP Active */ -#define U2DCSR0_RNE (1 << 6) /* Receive FIFO Not Empty */ -#define U2DCSR0_FST (1 << 5) /* Force Stall */ -#define U2DCSR0_SST (1 << 4) /* Send Stall */ -#define U2DCSR0_DME (1 << 3) /* DMA Enable */ -#define U2DCSR0_FTF (1 << 2) /* Flush Transmit FIFO */ -#define U2DCSR0_IPR (1 << 1) /* IN Packet Ready */ -#define U2DCSR0_OPC (1 << 0) /* OUT Packet Complete */ - -#define U2DCSR(x) (0x0100 + ((x) << 2)) /* U2D Control/Status Register - Endpoint x */ -#define U2DCSR_BF (1 << 10) /* Buffer Full, for OUT eps */ -#define U2DCSR_BE (1 << 10) /* Buffer Empty, for IN eps */ -#define U2DCSR_DPE (1 << 9) /* Data Packet Error, for ISO eps only */ -#define U2DCSR_FEF (1 << 8) /* Flush Endpoint FIFO */ -#define U2DCSR_SP (1 << 7) /* Short Packet Control/Status, for OUT eps only, readonly */ -#define U2DCSR_BNE (1 << 6) /* Buffer Not Empty, for OUT eps */ -#define U2DCSR_BNF (1 << 6) /* Buffer Not Full, for IN eps */ -#define U2DCSR_FST (1 << 5) /* Force STALL, write 1 set */ -#define U2DCSR_SST (1 << 4) /* Sent STALL, write 1 clear */ -#define U2DCSR_DME (1 << 3) /* DMA Enable */ -#define U2DCSR_TRN (1 << 2) /* Tx/Rx NAK, write 1 clear */ -#define U2DCSR_PC (1 << 1) /* Packet Complete, write 1 clear */ -#define U2DCSR_FS (1 << 0) /* FIFO needs Service */ - -#define U2DBCR0 (0x0200) /* U2D Byte Count Register - Endpoint 0 */ -#define U2DBCR(x) (0x0200 + ((x) << 2)) /* U2D Byte Count Register - Endpoint x */ - -#define U2DDR0 (0x0300) /* U2D Data Register - Endpoint 0 */ - -#define U2DEPCR(x) (0x0400 + ((x) << 2)) /* U2D Configuration Register - Endpoint x */ -#define U2DEPCR_EE (1 << 0) /* Endpoint Enable */ -#define U2DEPCR_BS_MASK (0x3FE) /* Buffer Size, BS*8=FIFO size, max 8184B = 8KB */ - -#define U2DSCA (0x0500) /* U2D Setup Command Address */ -#define U2DSCA_VALUE (0x0120) - -#define U2DEN0 (0x0504) /* U2D Endpoint Information Register - Endpoint 0 */ -#define U2DEN(x) (0x0504 + ((x) << 2)) /* U2D Endpoint Information Register - Endpoint x */ - -/* U2DMA registers */ -#define U2DMACSR0 (0x1000) /* U2DMA Control/Status Register - Channel 0 */ -#define U2DMACSR(x) (0x1000 + ((x) << 2)) /* U2DMA Control/Status Register - Channel x */ -#define U2DMACSR_RUN (1 << 31) /* Run Bit (read / write) */ -#define U2DMACSR_STOPIRQEN (1 << 29) /* Stop Interrupt Enable (read / write) */ -#define U2DMACSR_EORIRQEN (1 << 28) /* End of Receive Interrupt Enable (R/W) */ -#define U2DMACSR_EORJMPEN (1 << 27) /* Jump to next descriptor on EOR */ -#define U2DMACSR_EORSTOPEN (1 << 26) /* STOP on an EOR */ -#define U2DMACSR_RASIRQEN (1 << 23) /* Request After Cnannel Stopped Interrupt Enable */ -#define U2DMACSR_MASKRUN (1 << 22) /* Mask Run */ -#define U2DMACSR_SCEMC (3 << 18) /* System Bus Split Completion Error Message Class */ -#define U2DMACSR_SCEMI (0x1f << 13) /* System Bus Split Completion Error Message Index */ -#define U2DMACSR_BUSERRTYPE (7 << 10) /* PX Bus Error Type */ -#define U2DMACSR_EORINTR (1 << 9) /* End Of Receive */ -#define U2DMACSR_REQPEND (1 << 8) /* Request Pending */ -#define U2DMACSR_RASINTR (1 << 4) /* Request After Channel Stopped (read / write 1 clear) */ -#define U2DMACSR_STOPINTR (1 << 3) /* Stop Interrupt (read only) */ -#define U2DMACSR_ENDINTR (1 << 2) /* End Interrupt (read / write 1 clear) */ -#define U2DMACSR_STARTINTR (1 << 1) /* Start Interrupt (read / write 1 clear) */ -#define U2DMACSR_BUSERRINTR (1 << 0) /* Bus Error Interrupt (read / write 1 clear) */ - -#define U2DMACR (0x1080) /* U2DMA Control Register */ -#define U2DMAINT (0x10F0) /* U2DMA Interrupt Register */ - -#define U2DMABR0 (0x1100) /* U2DMA Branch Register - Channel 0 */ -#define U2DMABR(x) (0x1100 + (x) << 2) /* U2DMA Branch Register - Channel x */ - -#define U2DMADADR0 (0x1200) /* U2DMA Descriptor Address Register - Channel 0 */ -#define U2DMADADR(x) (0x1200 + (x) * 0x10) /* U2DMA Descriptor Address Register - Channel x */ - -#define U2DMADADR_STOP (1U << 0) - -#define U2DMASADR0 (0x1204) /* U2DMA Source Address Register - Channel 0 */ -#define U2DMASADR(x) (0x1204 + (x) * 0x10) /* U2DMA Source Address Register - Channel x */ -#define U2DMATADR0 (0x1208) /* U2DMA Target Address Register - Channel 0 */ -#define U2DMATADR(x) (0x1208 + (x) * 0x10) /* U2DMA Target Address Register - Channel x */ - -#define U2DMACMDR0 (0x120C) /* U2DMA Command Address Register - Channel 0 */ -#define U2DMACMDR(x) (0x120C + (x) * 0x10) /* U2DMA Command Address Register - Channel x */ - -#define U2DMACMDR_XFRDIS (1 << 31) /* Transfer Direction */ -#define U2DMACMDR_STARTIRQEN (1 << 22) /* Start Interrupt Enable */ -#define U2DMACMDR_ENDIRQEN (1 << 21) /* End Interrupt Enable */ -#define U2DMACMDR_PACKCOMP (1 << 13) /* Packet Complete */ -#define U2DMACMDR_LEN (0x07ff) /* length mask (max = 2K - 1) */ - -#endif /* __ASM_ARCH_PXA3xx_U2D_H */ diff --git a/drivers/usb/host/ohci-pxa27x.c b/drivers/usb/host/ohci-pxa27x.c index a1dad8745622..0bc7e96bcc93 100644 --- a/drivers/usb/host/ohci-pxa27x.c +++ b/drivers/usb/host/ohci-pxa27x.c @@ -29,7 +29,6 @@ #include <linux/of_platform.h> #include <linux/of_gpio.h> #include <linux/platform_data/usb-ohci-pxa27x.h> -#include <linux/platform_data/usb-pxa3xx-ulpi.h> #include <linux/platform_device.h> #include <linux/regulator/consumer.h> #include <linux/signal.h> @@ -275,7 +274,6 @@ static int pxa27x_start_hc(struct pxa27x_ohci *pxa_ohci, struct device *dev) int retval; struct pxaohci_platform_data *inf; uint32_t uhchr; - struct usb_hcd *hcd = dev_get_drvdata(dev); inf = dev_get_platdata(dev); @@ -301,9 +299,6 @@ static int pxa27x_start_hc(struct pxa27x_ohci *pxa_ohci, struct device *dev) return retval; } - if (cpu_is_pxa3xx()) - pxa3xx_u2d_start_hc(&hcd->self); - uhchr = __raw_readl(pxa_ohci->mmio_base + UHCHR) & ~UHCHR_SSE; __raw_writel(uhchr, pxa_ohci->mmio_base + UHCHR); __raw_writel(UHCHIE_UPRIE | UHCHIE_RWIE, pxa_ohci->mmio_base + UHCHIE); @@ -316,14 +311,10 @@ static int pxa27x_start_hc(struct pxa27x_ohci *pxa_ohci, struct device *dev) static void pxa27x_stop_hc(struct pxa27x_ohci *pxa_ohci, struct device *dev) { struct pxaohci_platform_data *inf; - struct usb_hcd *hcd = dev_get_drvdata(dev); uint32_t uhccoms; inf = dev_get_platdata(dev); - if (cpu_is_pxa3xx()) - pxa3xx_u2d_stop_hc(&hcd->self); - if (inf->exit) inf->exit(dev); diff --git a/include/linux/platform_data/usb-pxa3xx-ulpi.h b/include/linux/platform_data/usb-pxa3xx-ulpi.h deleted file mode 100644 index 4d31a5cbdeb1..000000000000 --- a/include/linux/platform_data/usb-pxa3xx-ulpi.h +++ /dev/null @@ -1,32 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0-only */ -/* - * PXA3xx U2D header - * - * Copyright (C) 2010 CompuLab Ltd. - * - * Igor Grinberg <grinberg@compulab.co.il> - */ -#ifndef __PXA310_U2D__ -#define __PXA310_U2D__ - -#include <linux/usb/ulpi.h> - -struct pxa3xx_u2d_platform_data { - -#define ULPI_SER_6PIN (1 << 0) -#define ULPI_SER_3PIN (1 << 1) - unsigned int ulpi_mode; - - int (*init)(struct device *); - void (*exit)(struct device *); -}; - - -/* Start PXA3xx U2D host */ -int pxa3xx_u2d_start_hc(struct usb_bus *host); -/* Stop PXA3xx U2D host */ -void pxa3xx_u2d_stop_hc(struct usb_bus *host); - -extern void pxa3xx_set_u2d_info(struct pxa3xx_u2d_platform_data *info); - -#endif /* __PXA310_U2D__ */ |