/* * Copyright (c) 2014 Google, Inc * * From Coreboot src/southbridge/intel/bd82x6x/pch.h * * Copyright (C) 2008-2009 coresystems GmbH * Copyright (C) 2012 The Chromium OS Authors. All rights reserved. * * SPDX-License-Identifier: GPL-2.0 */ #ifndef _ASM_ARCH_PCH_H #define _ASM_ARCH_PCH_H #include /* PCH types */ #define PCH_TYPE_CPT 0x1c /* CougarPoint */ #define PCH_TYPE_PPT 0x1e /* IvyBridge */ /* PCH stepping values for LPC device */ #define PCH_STEP_A0 0 #define PCH_STEP_A1 1 #define PCH_STEP_B0 2 #define PCH_STEP_B1 3 #define PCH_STEP_B2 4 #define PCH_STEP_B3 5 #define DEFAULT_GPIOBASE 0x0480 #define DEFAULT_PMBASE 0x0500 #define SMBUS_IO_BASE 0x0400 int pch_silicon_revision(void); int pch_silicon_type(void); int pch_silicon_supported(int type, int rev); void pch_iobp_update(u32 address, u32 andvalue, u32 orvalue); #define MAINBOARD_POWER_OFF 0 #define MAINBOARD_POWER_ON 1 #define MAINBOARD_POWER_KEEP 2 /* PCI Configuration Space (D30:F0): PCI2PCI */ #define PSTS 0x06 #define SMLT 0x1b #define SECSTS 0x1e #define INTR 0x3c #define BCTRL 0x3e #define SBR (1 << 6) #define SEE (1 << 1) #define PERE (1 << 0) #define PCH_EHCI1_DEV PCI_BDF(0, 0x1d, 0) #define PCH_EHCI2_DEV PCI_BDF(0, 0x1a, 0) #define PCH_XHCI_DEV PCI_BDF(0, 0x14, 0) #define PCH_ME_DEV PCI_BDF(0, 0x16, 0) #define PCH_PCIE_DEV_SLOT 28 #define PCH_DEV PCI_BDF(0, 0, 0) #define PCH_VIDEO_DEV PCI_BDF(0, 2, 0) /* PCI Configuration Space (D31:F0): LPC */ #define PCH_LPC_DEV PCI_BDF(0, 0x1f, 0) #define SERIRQ_CNTL 0x64 #define GEN_PMCON_1 0xa0 #define GEN_PMCON_2 0xa2 #define GEN_PMCON_3 0xa4 #define ETR3 0xac #define ETR3_CWORWRE (1 << 18) #define ETR3_CF9GR (1 << 20) /* GEN_PMCON_3 bits */ #define RTC_BATTERY_DEAD (1 << 2) #define RTC_POWER_FAILED (1 << 1) #define SLEEP_AFTER_POWER_FAIL (1 << 0) #define PMBASE 0x40 #define ACPI_CNTL 0x44 #define BIOS_CNTL 0xDC #define GPIO_BASE 0x48 /* LPC GPIO Base Address Register */ #define GPIO_CNTL 0x4C /* LPC GPIO Control Register */ #define GPIO_ROUT 0xb8 #define PIRQA_ROUT 0x60 #define PIRQB_ROUT 0x61 #define PIRQC_ROUT 0x62 #define PIRQD_ROUT 0x63 #define PIRQE_ROUT 0x68 #define PIRQF_ROUT 0x69 #define PIRQG_ROUT 0x6A #define PIRQH_ROUT 0x6B #define GEN_PMCON_1 0xa0 #define GEN_PMCON_2 0xa2 #define GEN_PMCON_3 0xa4 #define ETR3 0xac #define ETR3_CWORWRE (1 << 18) #define ETR3_CF9GR (1 << 20) #define PMBASE 0x40 #define ACPI_CNTL 0x44 #define BIOS_CNTL 0xDC #define GPIO_BASE 0x48 /* LPC GPIO Base Address Register */ #define GPIO_CNTL 0x4C /* LPC GPIO Control Register */ #define GPIO_ROUT 0xb8 #define LPC_IO_DEC 0x80 /* IO Decode Ranges Register */ #define COMB_DEC_RANGE (1 << 4) /* 0x2f8-0x2ff (COM2) */ #define COMA_DEC_RANGE (0 << 0) /* 0x3f8-0x3ff (COM1) */ #define LPC_EN 0x82 /* LPC IF Enables Register */ #define CNF2_LPC_EN (1 << 13) /* 0x4e/0x4f */ #define CNF1_LPC_EN (1 << 12) /* 0x2e/0x2f */ #define MC_LPC_EN (1 << 11) /* 0x62/0x66 */ #define KBC_LPC_EN (1 << 10) /* 0x60/0x64 */ #define GAMEH_LPC_EN (1 << 9) /* 0x208/0x20f */ #define GAMEL_LPC_EN (1 << 8) /* 0x200/0x207 */ #define FDD_LPC_EN (1 << 3) /* LPC_IO_DEC[12] */ #define LPT_LPC_EN (1 << 2) /* LPC_IO_DEC[9:8] */ #define COMB_LPC_EN (1 << 1) /* LPC_IO_DEC[6:4] */ #define COMA_LPC_EN (1 << 0) /* LPC_IO_DEC[3:2] */ #define LPC_GEN1_DEC 0x84 /* LPC IF Generic Decode Range 1 */ #define LPC_GEN2_DEC 0x88 /* LPC IF Generic Decode Range 2 */ #define LPC_GEN3_DEC 0x8c /* LPC IF Generic Decode Range 3 */ #define LPC_GEN4_DEC 0x90 /* LPC IF Generic Decode Range 4 */ #define LPC_GENX_DEC(x) (0x84 + 4 * (x)) #define GEN_DEC_RANGE_256B 0xfc0000 /* 256 Bytes */ #define GEN_DEC_RANGE_128B 0x7c0000 /* 128 Bytes */ #define GEN_DEC_RANGE_64B 0x3c0000 /* 64 Bytes */ #define GEN_DEC_RANGE_32B 0x1c0000 /* 32 Bytes */ #define GEN_DEC_RANGE_16B 0x0c0000 /* 16 Bytes */ #define GEN_DEC_RANGE_8B 0x040000 /* 8 Bytes */ #define GEN_DEC_RANGE_4B 0x000000 /* 4 Bytes */ #define GEN_DEC_RANGE_EN (1 << 0) /* Range Enable */ /* PCI Configuration Space (D31:F1): IDE */ #define PCH_IDE_DEV PCI_BDF(0, 0x1f, 1) #define PCH_SATA_DEV PCI_BDF(0, 0x1f, 2) #define PCH_SATA2_DEV PCI_BDF(0, 0x1f, 5) #define INTR_LN 0x3c #define IDE_TIM_PRI 0x40 /* IDE timings, primary */ #define IDE_DECODE_ENABLE (1 << 15) #define IDE_SITRE (1 << 14) #define IDE_ISP_5_CLOCKS (0 << 12) #define IDE_ISP_4_CLOCKS (1 << 12) #define IDE_ISP_3_CLOCKS (2 << 12) #define IDE_RCT_4_CLOCKS (0 << 8) #define IDE_RCT_3_CLOCKS (1 << 8) #define IDE_RCT_2_CLOCKS (2 << 8) #define IDE_RCT_1_CLOCKS (3 << 8) #define IDE_DTE1 (1 << 7) #define IDE_PPE1 (1 << 6) #define IDE_IE1 (1 << 5) #define IDE_TIME1 (1 << 4) #define IDE_DTE0 (1 << 3) #define IDE_PPE0 (1 << 2) #define IDE_IE0 (1 << 1) #define IDE_TIME0 (1 << 0) #define IDE_TIM_SEC 0x42 /* IDE timings, secondary */ #define IDE_SDMA_CNT 0x48 /* Synchronous DMA control */ #define IDE_SSDE1 (1 << 3) #define IDE_SSDE0 (1 << 2) #define IDE_PSDE1 (1 << 1) #define IDE_PSDE0 (1 << 0) #define IDE_SDMA_TIM 0x4a #define IDE_CONFIG 0x54 /* IDE I/O Configuration Register */ #define SIG_MODE_SEC_NORMAL (0 << 18) #define SIG_MODE_SEC_TRISTATE (1 << 18) #define SIG_MODE_SEC_DRIVELOW (2 << 18) #define SIG_MODE_PRI_NORMAL (0 << 16) #define SIG_MODE_PRI_TRISTATE (1 << 16) #define SIG_MODE_PRI_DRIVELOW (2 << 16) #define FAST_SCB1 (1 << 15) #define FAST_SCB0 (1 << 14) #define FAST_PCB1 (1 << 13) #define FAST_PCB0 (1 << 12) #define SCB1 (1 << 3) #define SCB0 (1 << 2) #define PCB1 (1 << 1) #define PCB0 (1 << 0) #define SATA_SIRI 0xa0 /* SATA Indexed Register Index */ #define SATA_SIRD 0xa4 /* SATA Indexed Register Data */ #define SATA_SP 0xd0 /* Scratchpad */ /* SATA IOBP Registers */ #define SATA_IOBP_SP0G3IR 0xea000151 #define SATA_IOBP_SP1G3IR 0xea000051 /* PCI Configuration Space (D31:F3): SMBus */ #define PCH_SMBUS_DEV PCI_BDF(0, 0x1f, 3) #define SMB_BASE 0x20 #define HOSTC 0x40 #define SMB_RCV_SLVA 0x09 /* HOSTC bits */ #define I2C_EN (1 << 2) #define SMB_SMI_EN (1 << 1) #define HST_EN (1 << 0) /* SMBus I/O bits. */ #define SMBHSTSTAT 0x0 #define SMBHSTCTL 0x2 #define SMBHSTCMD 0x3 #define SMBXMITADD 0x4 #define SMBHSTDAT0 0x5 #define SMBHSTDAT1 0x6 #define SMBBLKDAT 0x7 #define SMBTRNSADD 0x9 #define SMBSLVDATA 0xa #define SMLINK_PIN_CTL 0xe #define SMBUS_PIN_CTL 0xf #define SMBUS_TIMEOUT (10 * 1000 * 100) /* Root Complex Register Block */ #define DEFAULT_RCBA 0xfed1c000 #define RCB_REG(reg) (DEFAULT_RCBA + (reg)) #define PCH_RCBA_BASE 0xf0 #define VCH 0x0000 /* 32bit */ #define VCAP1 0x0004 /* 32bit */ #define VCAP2 0x0008 /* 32bit */ #define PVC 0x000c /* 16bit */ #define PVS 0x000e /* 16bit */ #define V0CAP 0x0010 /* 32bit */ #define V0CTL 0x0014 /* 32bit */ #define V0STS 0x001a /* 16bit */ #define V1CAP 0x001c /* 32bit */ #define V1CTL 0x0020 /* 32bit */ #define V1STS 0x0026 /* 16bit */ #define RCTCL 0x0100 /* 32bit */ #define ESD 0x0104 /* 32bit */ #define ULD 0x0110 /* 32bit */ #define ULBA 0x0118 /* 64bit */ #define RP1D 0x0120 /* 32bit */ #define RP1BA 0x0128 /* 64bit */ #define RP2D 0x0130 /* 32bit */ #define RP2BA 0x0138 /* 64bit */ #define RP3D 0x0140 /* 32bit */ #define RP3BA 0x0148 /* 64bit */ #define RP4D 0x0150 /* 32bit */ #define RP4BA 0x0158 /* 64bit */ #define HDD 0x0160 /* 32bit */ #define HDBA 0x0168 /* 64bit */ #define RP5D 0x0170 /* 32bit */ #define RP5BA 0x0178 /* 64bit */ #define RP6D 0x0180 /* 32bit */ #define RP6BA 0x0188 /* 64bit */ #define RPC 0x0400 /* 32bit */ #define RPFN 0x0404 /* 32bit */ #define TRSR 0x1e00 /* 8bit */ #define TRCR 0x1e10 /* 64bit */ #define TWDR 0x1e18 /* 64bit */ #define IOTR0 0x1e80 /* 64bit */ #define IOTR1 0x1e88 /* 64bit */ #define IOTR2 0x1e90 /* 64bit */ #define IOTR3 0x1e98 /* 64bit */ #define TCTL 0x3000 /* 8bit */ #define NOINT 0 #define INTA 1 #define INTB 2 #define INTC 3 #define INTD 4 #define DIR_IDR 12 /* Interrupt D Pin Offset */ #define DIR_ICR 8 /* Interrupt C Pin Offset */ #define DIR_IBR 4 /* Interrupt B Pin Offset */ #define DIR_IAR 0 /* Interrupt A Pin Offset */ #define PIRQA 0 #define PIRQB 1 #define PIRQC 2 #define PIRQD 3 #define PIRQE 4 #define PIRQF 5 #define PIRQG 6 #define PIRQH 7 /* IO Buffer Programming */ #define IOBPIRI 0x2330 #define IOBPD 0x2334 #define IOBPS 0x2338 #define IOBPS_RW_BX ((1 << 9)|(1 << 10)) #define IOBPS_WRITE_AX ((1 << 9)|(1 << 10)) #define IOBPS_READ_AX ((1 << 8)|(1 << 9)|(1 << 10)) #define D31IP 0x3100 /* 32bit */ #define D31IP_TTIP 24 /* Thermal Throttle Pin */ #define D31IP_SIP2 20 /* SATA Pin 2 */ #define D31IP_SMIP 12 /* SMBUS Pin */ #define D31IP_SIP 8 /* SATA Pin */ #define D30IP 0x3104 /* 32bit */ #define D30IP_PIP 0 /* PCI Bridge Pin */ #define D29IP 0x3108 /* 32bit */ #define D29IP_E1P 0 /* EHCI #1 Pin */ #define D28IP 0x310c /* 32bit */ #define D28IP_P8IP 28 /* PCI Express Port 8 */ #define D28IP_P7IP 24 /* PCI Express Port 7 */ #define D28IP_P6IP 20 /* PCI Express Port 6 */ #define D28IP_P5IP 16 /* PCI Express Port 5 */ #define D28IP_P4IP 12 /* PCI Express Port 4 */ #define D28IP_P3IP 8 /* PCI Express Port 3 */ #define D28IP_P2IP 4 /* PCI Express Port 2 */ #define D28IP_P1IP 0 /* PCI Express Port 1 */ #define D27IP 0x3110 /* 32bit */ #define D27IP_ZIP 0 /* HD Audio Pin */ #define D26IP 0x3114 /* 32bit */ #define D26IP_E2P 0 /* EHCI #2 Pin */ #define D25IP 0x3118 /* 32bit */ #define D25IP_LIP 0 /* GbE LAN Pin */ #define D22IP 0x3124 /* 32bit */ #define D22IP_KTIP 12 /* KT Pin */ #define D22IP_IDERIP 8 /* IDE-R Pin */ #define D22IP_MEI2IP 4 /* MEI #2 Pin */ #define D22IP_MEI1IP 0 /* MEI #1 Pin */ #define D20IP 0x3128 /* 32bit */ #define D20IP_XHCIIP 0 #define D31IR 0x3140 /* 16bit */ #define D30IR 0x3142 /* 16bit */ #define D29IR 0x3144 /* 16bit */ #define D28IR 0x3146 /* 16bit */ #define D27IR 0x3148 /* 16bit */ #define D26IR 0x314c /* 16bit */ #define D25IR 0x3150 /* 16bit */ #define D22IR 0x315c /* 16bit */ #define D20IR 0x3160 /* 16bit */ #define OIC 0x31fe /* 16bit */ #define SPI_FREQ_SWSEQ 0x3893 #define SPI_DESC_COMP0 0x38b0 #define SPI_FREQ_WR_ERA 0x38b4 #define SOFT_RESET_CTRL 0x38f4 #define SOFT_RESET_DATA 0x38f8 #define DIR_ROUTE(a, b, c, d) \ (((d) << DIR_IDR) | ((c) << DIR_ICR) | \ ((b) << DIR_IBR) | ((a) << DIR_IAR)) #define RC 0x3400 /* 32bit */ #define HPTC 0x3404 /* 32bit */ #define GCS 0x3410 /* 32bit */ #define BUC 0x3414 /* 32bit */ #define PCH_DISABLE_GBE (1 << 5) #define FD 0x3418 /* 32bit */ #define DISPBDF 0x3424 /* 16bit */ #define FD2 0x3428 /* 32bit */ #define CG 0x341c /* 32bit */ /* Function Disable 1 RCBA 0x3418 */ #define PCH_DISABLE_ALWAYS ((1 << 0)|(1 << 26)) #define PCH_DISABLE_P2P (1 << 1) #define PCH_DISABLE_SATA1 (1 << 2) #define PCH_DISABLE_SMBUS (1 << 3) #define PCH_DISABLE_HD_AUDIO (1 << 4) #define PCH_DISABLE_EHCI2 (1 << 13) #define PCH_DISABLE_LPC (1 << 14) #define PCH_DISABLE_EHCI1 (1 << 15) #define PCH_DISABLE_PCIE(x) (1 << (16 + x)) #define PCH_DISABLE_THERMAL (1 << 24) #define PCH_DISABLE_SATA2 (1 << 25) #define PCH_DISABLE_XHCI (1 << 27) /* Function Disable 2 RCBA 0x3428 */ #define PCH_DISABLE_KT (1 << 4) #define PCH_DISABLE_IDER (1 << 3) #define PCH_DISABLE_MEI2 (1 << 2) #define PCH_DISABLE_MEI1 (1 << 1) #define PCH_ENABLE_DBDF (1 << 0) /* ICH7 GPIOBASE */ #define GPIO_USE_SEL 0x00 #define GP_IO_SEL 0x04 #define GP_LVL 0x0c #define GPO_BLINK 0x18 #define GPI_INV 0x2c #define GPIO_USE_SEL2 0x30 #define GP_IO_SEL2 0x34 #define GP_LVL2 0x38 #define GPIO_USE_SEL3 0x40 #define GP_IO_SEL3 0x44 #define GP_LVL3 0x48 #define GP_RST_SEL1 0x60 #define GP_RST_SEL2 0x64 #define GP_RST_SEL3 0x68 /* ICH7 PMBASE */ #define PM1_STS 0x00 #define WAK_STS (1 << 15) #define PCIEXPWAK_STS (1 << 14) #define PRBTNOR_STS (1 << 11) #define RTC_STS (1 << 10) #define PWRBTN_STS (1 << 8) #define GBL_STS (1 << 5) #define BM_STS (1 << 4) #define TMROF_STS (1 << 0) #define PM1_EN 0x02 #define PCIEXPWAK_DIS (1 << 14) #define RTC_EN (1 << 10) #define PWRBTN_EN (1 << 8) #define GBL_EN (1 << 5) #define TMROF_EN (1 << 0) #define PM1_CNT 0x04 #define SLP_EN (1 << 13) #define SLP_TYP (7 << 10) #define SLP_TYP_S0 0 #define SLP_TYP_S1 1 #define SLP_TYP_S3 5 #define SLP_TYP_S4 6 #define SLP_TYP_S5 7 #define GBL_RLS (1 << 2) #define BM_RLD (1 << 1) #define SCI_EN (1 << 0) #define PM1_TMR 0x08 #define PROC_CNT 0x10 #define LV2 0x14 #define LV3 0x15 #define LV4 0x16 #define PM2_CNT 0x50 /* mobile only */ #define GPE0_STS 0x20 #define PME_B0_STS (1 << 13) #define PME_STS (1 << 11) #define BATLOW_STS (1 << 10) #define PCI_EXP_STS (1 << 9) #define RI_STS (1 << 8) #define SMB_WAK_STS (1 << 7) #define TCOSCI_STS (1 << 6) #define SWGPE_STS (1 << 2) #define HOT_PLUG_STS (1 << 1) #define GPE0_EN 0x28 #define PME_B0_EN (1 << 13) #define PME_EN (1 << 11) #define TCOSCI_EN (1 << 6) #define SMI_EN 0x30 #define INTEL_USB2_EN (1 << 18) /* Intel-Specific USB2 SMI logic */ #define LEGACY_USB2_EN (1 << 17) /* Legacy USB2 SMI logic */ #define PERIODIC_EN (1 << 14) /* SMI on PERIODIC_STS in SMI_STS */ #define TCO_EN (1 << 13) /* Enable TCO Logic (BIOSWE et al) */ #define MCSMI_EN (1 << 11) /* Trap microcontroller range access */ #define BIOS_RLS (1 << 7) /* asserts SCI on bit set */ #define SWSMI_TMR_EN (1 << 6) /* start software smi timer on bit set */ #define APMC_EN (1 << 5) /* Writes to APM_CNT cause SMI# */ #define SLP_SMI_EN (1 << 4) /* Write SLP_EN in PM1_CNT asserts SMI# */ #define LEGACY_USB_EN (1 << 3) /* Legacy USB circuit SMI logic */ #define BIOS_EN (1 << 2) /* Assert SMI# on setting GBL_RLS bit */ #define EOS (1 << 1) /* End of SMI (deassert SMI#) */ #define GBL_SMI_EN (1 << 0) /* SMI# generation at all? */ #define SMI_STS 0x34 #define ALT_GP_SMI_EN 0x38 #define ALT_GP_SMI_STS 0x3a #define GPE_CNTL 0x42 #define DEVACT_STS 0x44 #define SS_CNT 0x50 #define C3_RES 0x54 #define TCO1_STS 0x64 #define DMISCI_STS (1 << 9) #define TCO2_STS 0x66 int lpc_init(struct pci_controller *hose, pci_dev_t dev); void lpc_enable(pci_dev_t dev); /** * lpc_early_init() - set up LPC serial ports and other early things * * @blob: Device tree blob * @node: Offset of LPC node * @dev: PCH PCI device containing the LPC * @return 0 if OK, -ve on error */ int lpc_early_init(const void *blob, int node, pci_dev_t dev); #endif