platform/x86: intel/pmc: Relocate Cannon Lake Point PCH support

Create cnp.c for Cannon Lake Point PCH specific structures and init().
This file supports Cannon Lake and Comet Lake platforms.
There are no functional changes involved.

Cc: David E Box <david.e.box@linux.intel.com>
Reviewed-by: "David E. Box" <david.e.box@linux.intel.com>
Signed-off-by: Xi Pardee <xi.pardee@intel.com>
Signed-off-by: "David E. Box" <david.e.box@linux.intel.com>
Link: https://lore.kernel.org/r/20221114183257.2067662-5-gayatri.kammela@linux.intel.com
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>

1 files changed, 210 insertions, 0 deletions

diff --git a/drivers/platform/x86/intel/pmc/cnp.c b/drivers/platform/x86/intel/pmc/cnp.c
new file mode 100644
index 000000000000..7fb38815c4eb
--- /dev/null
+++ b/drivers/platform/x86/intel/pmc/cnp.c
@@ -0,0 +1,210 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * This file contains platform specific structure definitions
+ * and init function used by Cannon Lake Point PCH.
+ *
+ * Copyright (c) 2022, Intel Corporation.
+ * All Rights Reserved.
+ *
+ */
+
+#include "core.h"
+
+/* Cannon Lake: PGD PFET Enable Ack Status Register(s) bitmap */
+const struct pmc_bit_map cnp_pfear_map[] = {
+	{"PMC",                 BIT(0)},
+	{"OPI-DMI",             BIT(1)},
+	{"SPI/eSPI",            BIT(2)},
+	{"XHCI",                BIT(3)},
+	{"SPA",                 BIT(4)},
+	{"SPB",                 BIT(5)},
+	{"SPC",                 BIT(6)},
+	{"GBE",                 BIT(7)},
+
+	{"SATA",                BIT(0)},
+	{"HDA_PGD0",            BIT(1)},
+	{"HDA_PGD1",            BIT(2)},
+	{"HDA_PGD2",            BIT(3)},
+	{"HDA_PGD3",            BIT(4)},
+	{"SPD",                 BIT(5)},
+	{"LPSS",                BIT(6)},
+	{"LPC",                 BIT(7)},
+
+	{"SMB",                 BIT(0)},
+	{"ISH",                 BIT(1)},
+	{"P2SB",                BIT(2)},
+	{"NPK_VNN",             BIT(3)},
+	{"SDX",                 BIT(4)},
+	{"SPE",                 BIT(5)},
+	{"Fuse",                BIT(6)},
+	{"SBR8",		BIT(7)},
+
+	{"CSME_FSC",            BIT(0)},
+	{"USB3_OTG",            BIT(1)},
+	{"EXI",                 BIT(2)},
+	{"CSE",                 BIT(3)},
+	{"CSME_KVM",            BIT(4)},
+	{"CSME_PMT",            BIT(5)},
+	{"CSME_CLINK",          BIT(6)},
+	{"CSME_PTIO",           BIT(7)},
+
+	{"CSME_USBR",           BIT(0)},
+	{"CSME_SUSRAM",         BIT(1)},
+	{"CSME_SMT1",           BIT(2)},
+	{"CSME_SMT4",           BIT(3)},
+	{"CSME_SMS2",           BIT(4)},
+	{"CSME_SMS1",           BIT(5)},
+	{"CSME_RTC",            BIT(6)},
+	{"CSME_PSF",            BIT(7)},
+
+	{"SBR0",                BIT(0)},
+	{"SBR1",                BIT(1)},
+	{"SBR2",                BIT(2)},
+	{"SBR3",                BIT(3)},
+	{"SBR4",                BIT(4)},
+	{"SBR5",                BIT(5)},
+	{"CSME_PECI",           BIT(6)},
+	{"PSF1",                BIT(7)},
+
+	{"PSF2",                BIT(0)},
+	{"PSF3",                BIT(1)},
+	{"PSF4",                BIT(2)},
+	{"CNVI",                BIT(3)},
+	{"UFS0",                BIT(4)},
+	{"EMMC",                BIT(5)},
+	{"SPF",			BIT(6)},
+	{"SBR6",                BIT(7)},
+
+	{"SBR7",                BIT(0)},
+	{"NPK_AON",             BIT(1)},
+	{"HDA_PGD4",            BIT(2)},
+	{"HDA_PGD5",            BIT(3)},
+	{"HDA_PGD6",            BIT(4)},
+	{"PSF6",		BIT(5)},
+	{"PSF7",		BIT(6)},
+	{"PSF8",		BIT(7)},
+	{}
+};
+
+const struct pmc_bit_map *ext_cnp_pfear_map[] = {
+	/*
+	 * Check intel_pmc_core_ids[] users of cnp_reg_map for
+	 * a list of core SoCs using this.
+	 */
+	cnp_pfear_map,
+	NULL
+};
+
+const struct pmc_bit_map cnp_slps0_dbg0_map[] = {
+	{"AUDIO_D3",		BIT(0)},
+	{"OTG_D3",		BIT(1)},
+	{"XHCI_D3",		BIT(2)},
+	{"LPIO_D3",		BIT(3)},
+	{"SDX_D3",		BIT(4)},
+	{"SATA_D3",		BIT(5)},
+	{"UFS0_D3",		BIT(6)},
+	{"UFS1_D3",		BIT(7)},
+	{"EMMC_D3",		BIT(8)},
+	{}
+};
+
+const struct pmc_bit_map cnp_slps0_dbg1_map[] = {
+	{"SDIO_PLL_OFF",	BIT(0)},
+	{"USB2_PLL_OFF",	BIT(1)},
+	{"AUDIO_PLL_OFF",	BIT(2)},
+	{"OC_PLL_OFF",		BIT(3)},
+	{"MAIN_PLL_OFF",	BIT(4)},
+	{"XOSC_OFF",		BIT(5)},
+	{"LPC_CLKS_GATED",	BIT(6)},
+	{"PCIE_CLKREQS_IDLE",	BIT(7)},
+	{"AUDIO_ROSC_OFF",	BIT(8)},
+	{"HPET_XOSC_CLK_REQ",	BIT(9)},
+	{"PMC_ROSC_SLOW_CLK",	BIT(10)},
+	{"AON2_ROSC_GATED",	BIT(11)},
+	{"CLKACKS_DEASSERTED",	BIT(12)},
+	{}
+};
+
+const struct pmc_bit_map cnp_slps0_dbg2_map[] = {
+	{"MPHY_CORE_GATED",	BIT(0)},
+	{"CSME_GATED",		BIT(1)},
+	{"USB2_SUS_GATED",	BIT(2)},
+	{"DYN_FLEX_IO_IDLE",	BIT(3)},
+	{"GBE_NO_LINK",		BIT(4)},
+	{"THERM_SEN_DISABLED",	BIT(5)},
+	{"PCIE_LOW_POWER",	BIT(6)},
+	{"ISH_VNNAON_REQ_ACT",	BIT(7)},
+	{"ISH_VNN_REQ_ACT",	BIT(8)},
+	{"CNV_VNNAON_REQ_ACT",	BIT(9)},
+	{"CNV_VNN_REQ_ACT",	BIT(10)},
+	{"NPK_VNNON_REQ_ACT",	BIT(11)},
+	{"PMSYNC_STATE_IDLE",	BIT(12)},
+	{"ALST_GT_THRES",	BIT(13)},
+	{"PMC_ARC_PG_READY",	BIT(14)},
+	{}
+};
+
+const struct pmc_bit_map *cnp_slps0_dbg_maps[] = {
+	cnp_slps0_dbg0_map,
+	cnp_slps0_dbg1_map,
+	cnp_slps0_dbg2_map,
+	NULL
+};
+
+const struct pmc_bit_map cnp_ltr_show_map[] = {
+	{"SOUTHPORT_A",		CNP_PMC_LTR_SPA},
+	{"SOUTHPORT_B",		CNP_PMC_LTR_SPB},
+	{"SATA",		CNP_PMC_LTR_SATA},
+	{"GIGABIT_ETHERNET",	CNP_PMC_LTR_GBE},
+	{"XHCI",		CNP_PMC_LTR_XHCI},
+	{"Reserved",		CNP_PMC_LTR_RESERVED},
+	{"ME",			CNP_PMC_LTR_ME},
+	/* EVA is Enterprise Value Add, doesn't really exist on PCH */
+	{"EVA",			CNP_PMC_LTR_EVA},
+	{"SOUTHPORT_C",		CNP_PMC_LTR_SPC},
+	{"HD_AUDIO",		CNP_PMC_LTR_AZ},
+	{"CNV",			CNP_PMC_LTR_CNV},
+	{"LPSS",		CNP_PMC_LTR_LPSS},
+	{"SOUTHPORT_D",		CNP_PMC_LTR_SPD},
+	{"SOUTHPORT_E",		CNP_PMC_LTR_SPE},
+	{"CAMERA",		CNP_PMC_LTR_CAM},
+	{"ESPI",		CNP_PMC_LTR_ESPI},
+	{"SCC",			CNP_PMC_LTR_SCC},
+	{"ISH",			CNP_PMC_LTR_ISH},
+	{"UFSX2",		CNP_PMC_LTR_UFSX2},
+	{"EMMC",		CNP_PMC_LTR_EMMC},
+	/*
+	 * Check intel_pmc_core_ids[] users of cnp_reg_map for
+	 * a list of core SoCs using this.
+	 */
+	{"WIGIG",		ICL_PMC_LTR_WIGIG},
+	{"THC0",                TGL_PMC_LTR_THC0},
+	{"THC1",                TGL_PMC_LTR_THC1},
+	/* Below two cannot be used for LTR_IGNORE */
+	{"CURRENT_PLATFORM",	CNP_PMC_LTR_CUR_PLT},
+	{"AGGREGATED_SYSTEM",	CNP_PMC_LTR_CUR_ASLT},
+	{}
+};
+
+const struct pmc_reg_map cnp_reg_map = {
+	.pfear_sts = ext_cnp_pfear_map,
+	.slp_s0_offset = CNP_PMC_SLP_S0_RES_COUNTER_OFFSET,
+	.slp_s0_res_counter_step = SPT_PMC_SLP_S0_RES_COUNTER_STEP,
+	.slps0_dbg_maps = cnp_slps0_dbg_maps,
+	.ltr_show_sts = cnp_ltr_show_map,
+	.msr_sts = msr_map,
+	.slps0_dbg_offset = CNP_PMC_SLPS0_DBG_OFFSET,
+	.ltr_ignore_offset = CNP_PMC_LTR_IGNORE_OFFSET,
+	.regmap_length = CNP_PMC_MMIO_REG_LEN,
+	.ppfear0_offset = CNP_PMC_HOST_PPFEAR0A,
+	.ppfear_buckets = CNP_PPFEAR_NUM_ENTRIES,
+	.pm_cfg_offset = CNP_PMC_PM_CFG_OFFSET,
+	.pm_read_disable_bit = CNP_PMC_READ_DISABLE_BIT,
+	.ltr_ignore_max = CNP_NUM_IP_IGN_ALLOWED,
+	.etr3_offset = ETR3_OFFSET,
+};
+
+void cnp_core_init(struct pmc_dev *pmcdev)
+{
+	pmcdev->map = &cnp_reg_map;
+}