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/* SPDX-License-Identifier: GPL-2.0 */
/*
* Copyright (c) 2016 Google, Inc
*/
#ifndef __ASM_ARCH_PCH_H
#define __ASM_ARCH_PCH_H
/* CPU bus clock is fixed at 100MHz */
#define CPU_BCLK 100
#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
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