| /* |
| * 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 <pci.h> |
| |
| #define DEFAULT_GPIOBASE 0x0480 |
| #define DEFAULT_PMBASE 0x0500 |
| |
| #define SMBUS_IO_BASE 0x0400 |
| |
| #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 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 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)) |
| |
| /* 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 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 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 */ |
| |
| /* 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 |
| |
| /** |
| * 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 |