diff options
Diffstat (limited to 'arch/x86/include/asm/arch-broadwell/pch.h')
| -rw-r--r-- | arch/x86/include/asm/arch-broadwell/pch.h | 152 |
1 files changed, 152 insertions, 0 deletions
diff --git a/arch/x86/include/asm/arch-broadwell/pch.h b/arch/x86/include/asm/arch-broadwell/pch.h new file mode 100644 index 0000000..ecdf6d1 --- /dev/null +++ b/arch/x86/include/asm/arch-broadwell/pch.h @@ -0,0 +1,152 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +/* + * Copyright (c) 2016 Google, Inc + */ + +#ifndef __ASM_ARCH_PCH_H +#define __ASM_ARCH_PCH_H + +#define PMBASE 0x40 +#define ACPI_CNTL 0x44 +#define ACPI_EN (1 << 7) + +#define GPIO_BASE 0x48 /* LPC GPIO Base Address Register */ +#define GPIO_CNTL 0x4C /* LPC GPIO Control Register */ +#define GPIO_EN (1 << 4) + +#define PCIEXBAR 0x60 + +#define PCH_DEV_LPC PCI_BDF(0, 0x1f, 0) + +/* RCB registers */ +#define OIC 0x31fe /* 16bit */ +#define HPTC 0x3404 /* 32bit */ +#define FD 0x3418 /* 32bit */ + +/* Function Disable 1 RCBA 0x3418 */ +#define PCH_DISABLE_ALWAYS (1 << 0) + +/* PM registers */ +#define TCO1_CNT 0x60 +#define TCO_TMR_HLT (1 << 11) + + +/* Device 0:0.0 PCI configuration space */ + +#define EPBAR 0x40 +#define MCHBAR 0x48 +#define PCIEXBAR 0x60 +#define DMIBAR 0x68 +#define GGC 0x50 /* GMCH Graphics Control */ +#define DEVEN 0x54 /* Device Enable */ +#define DEVEN_D7EN (1 << 14) +#define DEVEN_D4EN (1 << 7) +#define DEVEN_D3EN (1 << 5) +#define DEVEN_D2EN (1 << 4) +#define DEVEN_D1F0EN (1 << 3) +#define DEVEN_D1F1EN (1 << 2) +#define DEVEN_D1F2EN (1 << 1) +#define DEVEN_D0EN (1 << 0) +#define DPR 0x5c +#define DPR_EPM (1 << 2) +#define DPR_PRS (1 << 1) +#define DPR_SIZE_MASK 0xff0 + +#define MCHBAR_PEI_VERSION 0x5034 +#define BIOS_RESET_CPL 0x5da8 +#define EDRAMBAR 0x5408 +#define MCH_PAIR 0x5418 +#define GDXCBAR 0x5420 + +#define PAM0 0x80 +#define PAM1 0x81 +#define PAM2 0x82 +#define PAM3 0x83 +#define PAM4 0x84 +#define PAM5 0x85 +#define PAM6 0x86 + +/* PCODE MMIO communications live in the MCHBAR. */ +#define BIOS_MAILBOX_INTERFACE 0x5da4 +#define MAILBOX_RUN_BUSY (1 << 31) +#define MAILBOX_BIOS_CMD_READ_PCS 1 +#define MAILBOX_BIOS_CMD_WRITE_PCS 2 +#define MAILBOX_BIOS_CMD_READ_CALIBRATION 0x509 +#define MAILBOX_BIOS_CMD_FSM_MEASURE_INTVL 0x909 +#define MAILBOX_BIOS_CMD_READ_PCH_POWER 0xa +#define MAILBOX_BIOS_CMD_READ_PCH_POWER_EXT 0xb +#define MAILBOX_BIOS_CMD_READ_C9C10_VOLTAGE 0x26 +#define MAILBOX_BIOS_CMD_WRITE_C9C10_VOLTAGE 0x27 +/* Errors are returned back in bits 7:0. */ +#define MAILBOX_BIOS_ERROR_NONE 0 +#define MAILBOX_BIOS_ERROR_INVALID_COMMAND 1 +#define MAILBOX_BIOS_ERROR_TIMEOUT 2 +#define MAILBOX_BIOS_ERROR_ILLEGAL_DATA 3 +#define MAILBOX_BIOS_ERROR_RESERVED 4 +#define MAILBOX_BIOS_ERROR_ILLEGAL_VR_ID 5 +#define MAILBOX_BIOS_ERROR_VR_INTERFACE_LOCKED 6 +#define MAILBOX_BIOS_ERROR_VR_ERROR 7 +/* Data is passed through bits 31:0 of the data register. */ +#define BIOS_MAILBOX_DATA 0x5da0 + +/* SATA IOBP Registers */ +#define SATA_IOBP_SP0_SECRT88 0xea002688 +#define SATA_IOBP_SP1_SECRT88 0xea002488 + +#define SATA_SECRT88_VADJ_MASK 0xff +#define SATA_SECRT88_VADJ_SHIFT 16 + +#define SATA_IOBP_SP0DTLE_DATA 0xea002550 +#define SATA_IOBP_SP0DTLE_EDGE 0xea002554 +#define SATA_IOBP_SP1DTLE_DATA 0xea002750 +#define SATA_IOBP_SP1DTLE_EDGE 0xea002754 + +#define SATA_DTLE_MASK 0xF +#define SATA_DTLE_DATA_SHIFT 24 +#define SATA_DTLE_EDGE_SHIFT 16 + +/* Power Management */ +#define PCH_PCS 0x84 +#define PCH_PCS_PS_D3HOT 3 + +#define GEN_PMCON_1 0xa0 +#define SMI_LOCK (1 << 4) +#define GEN_PMCON_2 0xa2 +#define SYSTEM_RESET_STS (1 << 4) +#define THERMTRIP_STS (1 << 3) +#define SYSPWR_FLR (1 << 1) +#define PWROK_FLR (1 << 0) +#define GEN_PMCON_3 0xa4 +#define SUS_PWR_FLR (1 << 14) +#define GEN_RST_STS (1 << 9) +#define RTC_BATTERY_DEAD (1 << 2) +#define PWR_FLR (1 << 1) +#define SLEEP_AFTER_POWER_FAIL (1 << 0) +#define GEN_PMCON_LOCK 0xa6 +#define SLP_STR_POL_LOCK (1 << 2) +#define ACPI_BASE_LOCK (1 << 1) +#define PMIR 0xac +#define PMIR_CF9LOCK (1 << 31) +#define PMIR_CF9GR (1 << 20) + +/* Broadwell PCH (Wildcat Point) */ +#define PCH_WPT_HSW_U_SAMPLE 0x9cc1 +#define PCH_WPT_BDW_U_SAMPLE 0x9cc2 +#define PCH_WPT_BDW_U_PREMIUM 0x9cc3 +#define PCH_WPT_BDW_U_BASE 0x9cc5 +#define PCH_WPT_BDW_Y_SAMPLE 0x9cc6 +#define PCH_WPT_BDW_Y_PREMIUM 0x9cc7 +#define PCH_WPT_BDW_Y_BASE 0x9cc9 +#define PCH_WPT_BDW_H 0x9ccb + +#define SA_IGD_OPROM_VENDEV 0x80860406 + +/* Dynamically determine if the part is ULT */ +bool cpu_is_ult(void); + +u32 pch_iobp_read(u32 address); +int pch_iobp_write(u32 address, u32 data); +int pch_iobp_update(u32 address, u32 andvalue, u32 orvalue); +int pch_iobp_exec(u32 addr, u16 op_dcode, u8 route_id, u32 *data, u8 *resp); + +#endif |