// SPDX-License-Identifier: GPL-2.0 /* * Intel Core SoC Power Management Controller Header File * * Copyright (c) 2016, Intel Corporation. * All Rights Reserved. * * Authors: Rajneesh Bhardwaj * Vishwanath Somayaji */ #ifndef PMC_CORE_H #define PMC_CORE_H #include #define PMC_BASE_ADDR_DEFAULT 0xFE000000 /* Sunrise Point Power Management Controller PCI Device ID */ #define SPT_PMC_PCI_DEVICE_ID 0x9d21 #define SPT_PMC_BASE_ADDR_OFFSET 0x48 #define SPT_PMC_SLP_S0_RES_COUNTER_OFFSET 0x13c #define SPT_PMC_PM_CFG_OFFSET 0x18 #define SPT_PMC_PM_STS_OFFSET 0x1c #define SPT_PMC_MTPMC_OFFSET 0x20 #define SPT_PMC_MFPMC_OFFSET 0x38 #define SPT_PMC_LTR_IGNORE_OFFSET 0x30C #define SPT_PMC_MPHY_CORE_STS_0 0x1143 #define SPT_PMC_MPHY_CORE_STS_1 0x1142 #define SPT_PMC_MPHY_COM_STS_0 0x1155 #define SPT_PMC_MMIO_REG_LEN 0x1000 #define SPT_PMC_SLP_S0_RES_COUNTER_STEP 0x64 #define PMC_BASE_ADDR_MASK ~(SPT_PMC_MMIO_REG_LEN - 1) #define MTPMC_MASK 0xffff0000 #define PPFEAR_MAX_NUM_ENTRIES 5 #define SPT_PPFEAR_NUM_ENTRIES 5 #define SPT_PMC_READ_DISABLE_BIT 0x16 #define SPT_PMC_MSG_FULL_STS_BIT 0x18 #define NUM_RETRIES 100 #define SPT_NUM_IP_IGN_ALLOWED 17 #define SPT_PMC_LTR_CUR_PLT 0x350 #define SPT_PMC_LTR_CUR_ASLT 0x354 #define SPT_PMC_LTR_SPA 0x360 #define SPT_PMC_LTR_SPB 0x364 #define SPT_PMC_LTR_SATA 0x368 #define SPT_PMC_LTR_GBE 0x36C #define SPT_PMC_LTR_XHCI 0x370 #define SPT_PMC_LTR_ME 0x378 #define SPT_PMC_LTR_EVA 0x37C #define SPT_PMC_LTR_SPC 0x380 #define SPT_PMC_LTR_AZ 0x384 #define SPT_PMC_LTR_LPSS 0x38C #define SPT_PMC_LTR_CAM 0x390 #define SPT_PMC_LTR_SPD 0x394 #define SPT_PMC_LTR_SPE 0x398 #define SPT_PMC_LTR_ESPI 0x39C #define SPT_PMC_LTR_SCC 0x3A0 #define SPT_PMC_LTR_ISH 0x3A4 /* Sunrise Point: PGD PFET Enable Ack Status Registers */ enum ppfear_regs { SPT_PMC_XRAM_PPFEAR0A = 0x590, SPT_PMC_XRAM_PPFEAR0B, SPT_PMC_XRAM_PPFEAR0C, SPT_PMC_XRAM_PPFEAR0D, SPT_PMC_XRAM_PPFEAR1A, }; #define SPT_PMC_BIT_PMC BIT(0) #define SPT_PMC_BIT_OPI BIT(1) #define SPT_PMC_BIT_SPI BIT(2) #define SPT_PMC_BIT_XHCI BIT(3) #define SPT_PMC_BIT_SPA BIT(4) #define SPT_PMC_BIT_SPB BIT(5) #define SPT_PMC_BIT_SPC BIT(6) #define SPT_PMC_BIT_GBE BIT(7) #define SPT_PMC_BIT_SATA BIT(0) #define SPT_PMC_BIT_HDA_PGD0 BIT(1) #define SPT_PMC_BIT_HDA_PGD1 BIT(2) #define SPT_PMC_BIT_HDA_PGD2 BIT(3) #define SPT_PMC_BIT_HDA_PGD3 BIT(4) #define SPT_PMC_BIT_RSVD_0B BIT(5) #define SPT_PMC_BIT_LPSS BIT(6) #define SPT_PMC_BIT_LPC BIT(7) #define SPT_PMC_BIT_SMB BIT(0) #define SPT_PMC_BIT_ISH BIT(1) #define SPT_PMC_BIT_P2SB BIT(2) #define SPT_PMC_BIT_DFX BIT(3) #define SPT_PMC_BIT_SCC BIT(4) #define SPT_PMC_BIT_RSVD_0C BIT(5) #define SPT_PMC_BIT_FUSE BIT(6) #define SPT_PMC_BIT_CAMREA BIT(7) #define SPT_PMC_BIT_RSVD_0D BIT(0) #define SPT_PMC_BIT_USB3_OTG BIT(1) #define SPT_PMC_BIT_EXI BIT(2) #define SPT_PMC_BIT_CSE BIT(3) #define SPT_PMC_BIT_CSME_KVM BIT(4) #define SPT_PMC_BIT_CSME_PMT BIT(5) #define SPT_PMC_BIT_CSME_CLINK BIT(6) #define SPT_PMC_BIT_CSME_PTIO BIT(7) #define SPT_PMC_BIT_CSME_USBR BIT(0) #define SPT_PMC_BIT_CSME_SUSRAM BIT(1) #define SPT_PMC_BIT_CSME_SMT BIT(2) #define SPT_PMC_BIT_RSVD_1A BIT(3) #define SPT_PMC_BIT_CSME_SMS2 BIT(4) #define SPT_PMC_BIT_CSME_SMS1 BIT(5) #define SPT_PMC_BIT_CSME_RTC BIT(6) #define SPT_PMC_BIT_CSME_PSF BIT(7) #define SPT_PMC_BIT_MPHY_LANE0 BIT(0) #define SPT_PMC_BIT_MPHY_LANE1 BIT(1) #define SPT_PMC_BIT_MPHY_LANE2 BIT(2) #define SPT_PMC_BIT_MPHY_LANE3 BIT(3) #define SPT_PMC_BIT_MPHY_LANE4 BIT(4) #define SPT_PMC_BIT_MPHY_LANE5 BIT(5) #define SPT_PMC_BIT_MPHY_LANE6 BIT(6) #define SPT_PMC_BIT_MPHY_LANE7 BIT(7) #define SPT_PMC_BIT_MPHY_LANE8 BIT(0) #define SPT_PMC_BIT_MPHY_LANE9 BIT(1) #define SPT_PMC_BIT_MPHY_LANE10 BIT(2) #define SPT_PMC_BIT_MPHY_LANE11 BIT(3) #define SPT_PMC_BIT_MPHY_LANE12 BIT(4) #define SPT_PMC_BIT_MPHY_LANE13 BIT(5) #define SPT_PMC_BIT_MPHY_LANE14 BIT(6) #define SPT_PMC_BIT_MPHY_LANE15 BIT(7) #define SPT_PMC_BIT_MPHY_CMN_LANE0 BIT(0) #define SPT_PMC_BIT_MPHY_CMN_LANE1 BIT(1) #define SPT_PMC_BIT_MPHY_CMN_LANE2 BIT(2) #define SPT_PMC_BIT_MPHY_CMN_LANE3 BIT(3) /* Cannonlake Power Management Controller register offsets */ #define CNP_PMC_SLPS0_DBG_OFFSET 0x10B4 #define CNP_PMC_PM_CFG_OFFSET 0x1818 #define CNP_PMC_SLP_S0_RES_COUNTER_OFFSET 0x193C #define CNP_PMC_LTR_IGNORE_OFFSET 0x1B0C /* Cannonlake: PGD PFET Enable Ack Status Register(s) start */ #define CNP_PMC_HOST_PPFEAR0A 0x1D90 #define CNP_PMC_LATCH_SLPS0_EVENTS BIT(31) #define CNP_PMC_MMIO_REG_LEN 0x2000 #define CNP_PPFEAR_NUM_ENTRIES 8 #define CNP_PMC_READ_DISABLE_BIT 22 #define CNP_NUM_IP_IGN_ALLOWED 19 #define CNP_PMC_LTR_CUR_PLT 0x1B50 #define CNP_PMC_LTR_CUR_ASLT 0x1B54 #define CNP_PMC_LTR_SPA 0x1B60 #define CNP_PMC_LTR_SPB 0x1B64 #define CNP_PMC_LTR_SATA 0x1B68 #define CNP_PMC_LTR_GBE 0x1B6C #define CNP_PMC_LTR_XHCI 0x1B70 #define CNP_PMC_LTR_ME 0x1B78 #define CNP_PMC_LTR_EVA 0x1B7C #define CNP_PMC_LTR_SPC 0x1B80 #define CNP_PMC_LTR_AZ 0x1B84 #define CNP_PMC_LTR_LPSS 0x1B8C #define CNP_PMC_LTR_CAM 0x1B90 #define CNP_PMC_LTR_SPD 0x1B94 #define CNP_PMC_LTR_SPE 0x1B98 #define CNP_PMC_LTR_ESPI 0x1B9C #define CNP_PMC_LTR_SCC 0x1BA0 #define CNP_PMC_LTR_ISH 0x1BA4 #define CNP_PMC_LTR_CNV 0x1BF0 #define CNP_PMC_LTR_EMMC 0x1BF4 #define CNP_PMC_LTR_UFSX2 0x1BF8 #define LTR_DECODED_VAL GENMASK(9, 0) #define LTR_DECODED_SCALE GENMASK(12, 10) #define LTR_REQ_SNOOP BIT(15) #define LTR_REQ_NONSNOOP BIT(31) struct pmc_bit_map { const char *name; u32 bit_mask; }; /** * struct pmc_reg_map - Structure used to define parameter unique to a PCH family * @pfear_sts: Maps name of IP block to PPFEAR* bit * @mphy_sts: Maps name of MPHY lane to MPHY status lane status bit * @pll_sts: Maps name of PLL to corresponding bit status * @slps0_dbg_maps: Array of SLP_S0_DBG* registers containing debug info * @ltr_show_sts: Maps PCH IP Names to their MMIO register offsets * @slp_s0_offset: PWRMBASE offset to read SLP_S0 residency * @ltr_ignore_offset: PWRMBASE offset to read/write LTR ignore bit * @regmap_length: Length of memory to map from PWRMBASE address to access * @ppfear0_offset: PWRMBASE offset to to read PPFEAR* * @ppfear_buckets: Number of 8 bits blocks to read all IP blocks from * PPFEAR * @pm_cfg_offset: PWRMBASE offset to PM_CFG register * @pm_read_disable_bit: Bit index to read PMC_READ_DISABLE * @slps0_dbg_offset: PWRMBASE offset to SLP_S0_DEBUG_REG* * * Each PCH has unique set of register offsets and bit indexes. This structure * captures them to have a common implementation. */ struct pmc_reg_map { const struct pmc_bit_map *pfear_sts; const struct pmc_bit_map *mphy_sts; const struct pmc_bit_map *pll_sts; const struct pmc_bit_map **slps0_dbg_maps; const struct pmc_bit_map *ltr_show_sts; const u32 slp_s0_offset; const u32 ltr_ignore_offset; const int regmap_length; const u32 ppfear0_offset; const int ppfear_buckets; const u32 pm_cfg_offset; const int pm_read_disable_bit; const u32 slps0_dbg_offset; const u32 ltr_ignore_max; }; /** * struct pmc_dev - pmc device structure * @base_addr: contains pmc base address * @regbase: pointer to io-remapped memory location * @map: pointer to pmc_reg_map struct that contains platform * specific attributes * @dbgfs_dir: path to debugfs interface * @pmc_xram_read_bit: flag to indicate whether PMC XRAM shadow registers * used to read MPHY PG and PLL status are available * @mutex_lock: mutex to complete one transcation * * pmc_dev contains info about power management controller device. */ struct pmc_dev { u32 base_addr; void __iomem *regbase; const struct pmc_reg_map *map; #if IS_ENABLED(CONFIG_DEBUG_FS) struct dentry *dbgfs_dir; #endif /* CONFIG_DEBUG_FS */ int pmc_xram_read_bit; struct mutex lock; /* generic mutex lock for PMC Core */ }; #endif /* PMC_CORE_H */