diff options
Diffstat (limited to 'src/soc/intel/elkhartlake/include/soc/pm.h')
| -rw-r--r-- | src/soc/intel/elkhartlake/include/soc/pm.h | 164 |
1 files changed, 164 insertions, 0 deletions
diff --git a/src/soc/intel/elkhartlake/include/soc/pm.h b/src/soc/intel/elkhartlake/include/soc/pm.h new file mode 100644 index 0000000000..11d6663b74 --- /dev/null +++ b/src/soc/intel/elkhartlake/include/soc/pm.h @@ -0,0 +1,164 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ + +#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 |