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/* SPDX-License-Identifier: GPL-2.0-only */
/* This file is part of the coreboot project. */
/*
* This file is created based on Intel Tiger Lake Processor PCH Datasheet
* Document number: 575857
* Chapter number: 4
*/
#ifndef _SOC_PM_H_
#define _SOC_PM_H_
#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 GBL_RLS (1 << 2)
#define BM_RLD (1 << 1)
#define SCI_EN (1 << 0)
#define PM1_TMR 0x08
#define SMI_EN 0x30
#define XHCI_SMI_EN (1 << 31)
#define ME_SMI_EN (1 << 30)
#define ESPI_SMI_EN (1 << 28)
#define GPIO_UNLOCK_SMI_EN (1 << 27)
#define INTEL_USB2_EN (1 << 18)
#define LEGACY_USB2_EN (1 << 17)
#define PERIODIC_EN (1 << 14)
#define TCO_SMI_EN (1 << 13)
#define MCSMI_EN (1 << 11)
#define BIOS_RLS (1 << 7)
#define SWSMI_TMR_EN (1 << 6)
#define APMC_EN (1 << 5)
#define SLP_SMI_EN (1 << 4)
#define LEGACY_USB_EN (1 << 3)
#define BIOS_EN (1 << 2)
#define EOS (1 << 1)
#define GBL_SMI_EN (1 << 0)
#define SMI_STS 0x34
#define SMI_STS_BITS 32
#define XHCI_SMI_STS_BIT 31
#define ME_SMI_STS_BIT 30
#define ESPI_SMI_STS_BIT 28
#define GPIO_UNLOCK_SMI_STS_BIT 27
#define SPI_SMI_STS_BIT 26
#define SCC_SMI_STS_BIT 25
#define MONITOR_STS_BIT 21
#define PCI_EXP_SMI_STS_BIT 20
#define SMBUS_SMI_STS_BIT 16
#define SERIRQ_SMI_STS_BIT 15
#define PERIODIC_STS_BIT 14
#define TCO_STS_BIT 13
#define DEVMON_STS_BIT 12
#define MCSMI_STS_BIT 11
#define GPIO_STS_BIT 10
#define GPE0_STS_BIT 9
#define PM1_STS_BIT 8
#define SWSMI_TMR_STS_BIT 6
#define APM_STS_BIT 5
#define SMI_ON_SLP_EN_STS_BIT 4
#define LEGACY_USB_STS_BIT 3
#define BIOS_STS_BIT 2
#define GPE_CNTL 0x42
#define SWGPE_CTRL (1 << 1)
#define DEVACT_STS 0x44
#define PM2_CNT 0x50
#define GPE0_REG_MAX 4
#define GPE0_REG_SIZE 32
#define GPE0_STS(x) (0x60 + ((x) * 4))
#define GPE_31_0 0 /* 0x60/0x70 = GPE[31:0] */
#define GPE_63_32 1 /* 0x64/0x74 = GPE[63:32] */
#define GPE_95_64 2 /* 0x68/0x78 = GPE[95:64] */
#define GPE_STD 3 /* 0x6c/0x7c = Standard GPE */
#define GPE_STS_RSVD GPE_STD
#define WADT_STS (1 << 18)
#define GPIO_T2_STS (1 << 15)
#define ESPI_STS (1 << 14)
#define PME_B0_STS (1 << 13)
#define ME_SCI_STS (1 << 12)
#define PME_STS (1 << 11)
#define BATLOW_STS (1 << 10)
#define PCI_EXP_STS (1 << 9)
#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(x) (0x70 + ((x) * 4))
#define WADT_EN (1 << 18)
#define GPIO_T2_EN (1 << 15)
#define ESPI_EN (1 << 14)
#define PME_B0_EN_BIT 13
#define PME_B0_EN (1 << PME_B0_EN_BIT)
#define ME_SCI_EN (1 << 12)
#define PME_EN (1 << 11)
#define BATLOW_EN (1 << 10)
#define PCI_EXP_EN (1 << 9)
#define TCOSCI_EN (1 << 6)
#define SWGPE_EN (1 << 2)
#define HOT_PLUG_EN (1 << 1)
#define EN_BLOCK 3
/*
* Enable SMI generation:
* - on APMC writes (io 0xb2)
* - on writes to SLP_EN (sleep states)
* - on writes to GBL_RLS (bios commands)
* - on eSPI events (does nothing on LPC systems)
* No SMIs:
* - on TCO events, unless enabled in common code
* - on microcontroller writes (io 0x62/0x66)
*/
#define ENABLE_SMI_PARAMS \
(APMC_EN | SLP_SMI_EN | GBL_SMI_EN | ESPI_SMI_EN | EOS)
#define PSS_RATIO_STEP 2
#define PSS_MAX_ENTRIES 8
#define PSS_LATENCY_TRANSITION 10
#define PSS_LATENCY_BUSMASTER 10
#if !defined(__ACPI__)
#include <acpi/acpi.h>
#include <soc/gpe.h>
#include <soc/iomap.h>
#include <soc/smbus.h>
#include <soc/pmc.h>
struct chipset_power_state {
uint16_t pm1_sts;
uint16_t pm1_en;
uint32_t pm1_cnt;
uint16_t tco1_sts;
uint16_t tco2_sts;
uint32_t gpe0_sts[4];
uint32_t gpe0_en[4];
uint32_t gen_pmcon_a;
uint32_t gen_pmcon_b;
uint32_t gblrst_cause[2];
uint32_t prev_sleep_state;
} __packed;
/* Get base address PMC memory mapped registers. */
uint8_t *pmc_mmio_regs(void);
/* Get base address of TCO I/O registers. */
uint16_t smbus_tco_regs(void);
/* Set the DISB after DRAM init */
void pmc_set_disb(void);
/* Clear PMCON status bits */
void pmc_clear_pmcon_sts(void);
/* STM Support */
uint16_t get_pmbase(void);
#endif /* !defined(__ACPI__) */
#endif
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