mirror of
https://github.com/AsahiLinux/u-boot
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71a8f2080b
Broadwell requires quite a bit of power-management setup. Add code to set this up correctly. Signed-off-by: Simon Glass <sjg@chromium.org> Acked-by: Bin Meng <bmeng.cn@gmail.com> [squashed in http://patchwork.ozlabs.org/patch/598373/] Signed-off-by: Bin Meng <bmeng.cn@gmail.com>
129 lines
3.3 KiB
C
129 lines
3.3 KiB
C
/*
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* From coreboot src/soc/intel/broadwell/include/soc/pm.h
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*
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* Copyright (C) 2016 Google, Inc.
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*
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* SPDX-License-Identifier: GPL-2.0
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*/
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#ifndef __ASM_ARCH_PM_H
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#define __ASM_ARCH_PM_H
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#define PM1_STS 0x00
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#define WAK_STS (1 << 15)
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#define PCIEXPWAK_STS (1 << 14)
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#define PRBTNOR_STS (1 << 11)
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#define RTC_STS (1 << 10)
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#define PWRBTN_STS (1 << 8)
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#define GBL_STS (1 << 5)
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#define BM_STS (1 << 4)
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#define TMROF_STS (1 << 0)
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#define PM1_EN 0x02
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#define PCIEXPWAK_DIS (1 << 14)
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#define RTC_EN (1 << 10)
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#define PWRBTN_EN (1 << 8)
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#define GBL_EN (1 << 5)
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#define TMROF_EN (1 << 0)
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#define PM1_CNT 0x04
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#define SLP_EN (1 << 13)
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#define SLP_TYP (7 << 10)
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#define SLP_TYP_SHIFT 10
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#define SLP_TYP_S0 0
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#define SLP_TYP_S1 1
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#define SLP_TYP_S3 5
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#define SLP_TYP_S4 6
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#define SLP_TYP_S5 7
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#define GBL_RLS (1 << 2)
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#define BM_RLD (1 << 1)
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#define SCI_EN (1 << 0)
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#define PM1_TMR 0x08
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#define SMI_EN 0x30
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#define XHCI_SMI_EN (1 << 31)
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#define ME_SMI_EN (1 << 30)
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#define GPIO_UNLOCK_SMI_EN (1 << 27)
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#define INTEL_USB2_EN (1 << 18)
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#define LEGACY_USB2_EN (1 << 17)
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#define PERIODIC_EN (1 << 14)
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#define TCO_EN (1 << 13)
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#define MCSMI_EN (1 << 11)
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#define BIOS_RLS (1 << 7)
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#define SWSMI_TMR_EN (1 << 6)
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#define APMC_EN (1 << 5)
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#define SLP_SMI_EN (1 << 4)
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#define LEGACY_USB_EN (1 << 3)
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#define BIOS_EN (1 << 2)
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#define EOS (1 << 1)
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#define GBL_SMI_EN (1 << 0)
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#define SMI_STS 0x34
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#define UPWRC 0x3c
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#define UPWRC_WS (1 << 8)
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#define UPWRC_WE (1 << 1)
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#define UPWRC_SMI (1 << 0)
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#define GPE_CNTL 0x42
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#define SWGPE_CTRL (1 << 1)
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#define DEVACT_STS 0x44
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#define PM2_CNT 0x50
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#define TCO1_CNT 0x60
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#define TCO_TMR_HLT (1 << 11)
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#define TCO1_STS 0x64
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#define DMISCI_STS (1 << 9)
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#define TCO2_STS 0x66
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#define TCO2_STS_SECOND_TO (1 << 1)
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#define GPE0_REG_MAX 4
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#define GPE0_REG_SIZE 32
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#define GPE0_STS(x) (0x80 + (x * 4))
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#define GPE_31_0 0 /* 0x80/0x90 = GPE[31:0] */
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#define GPE_63_32 1 /* 0x84/0x94 = GPE[63:32] */
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#define GPE_94_64 2 /* 0x88/0x98 = GPE[94:64] */
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#define GPE_STD 3 /* 0x8c/0x9c = Standard GPE */
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#define WADT_STS (1 << 18)
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#define GP27_STS (1 << 16)
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#define PME_B0_STS (1 << 13)
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#define ME_SCI_STS (1 << 12)
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#define PME_STS (1 << 11)
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#define BATLOW_STS (1 << 10)
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#define PCI_EXP_STS (1 << 9)
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#define SMB_WAK_STS (1 << 7)
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#define TCOSCI_STS (1 << 6)
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#define SWGPE_STS (1 << 2)
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#define HOT_PLUG_STS (1 << 1)
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#define GPE0_EN(x) (0x90 + (x * 4))
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#define WADT_en (1 << 18)
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#define GP27_EN (1 << 16)
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#define PME_B0_EN (1 << 13)
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#define ME_SCI_EN (1 << 12)
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#define PME_EN (1 << 11)
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#define BATLOW_EN (1 << 10)
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#define PCI_EXP_EN (1 << 9)
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#define TCOSCI_EN (1 << 6)
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#define SWGPE_EN (1 << 2)
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#define HOT_PLUG_EN (1 << 1)
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#define MAINBOARD_POWER_OFF 0
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#define MAINBOARD_POWER_ON 1
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#define MAINBOARD_POWER_KEEP 2
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#define SLEEP_STATE_S0 0
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#define SLEEP_STATE_S3 3
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#define SLEEP_STATE_S5 5
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struct chipset_power_state {
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uint16_t pm1_sts;
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uint16_t pm1_en;
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uint32_t pm1_cnt;
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uint16_t tco1_sts;
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uint16_t tco2_sts;
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uint32_t gpe0_sts[4];
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uint32_t gpe0_en[4];
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uint16_t gen_pmcon1;
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uint16_t gen_pmcon2;
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uint16_t gen_pmcon3;
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int prev_sleep_state;
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uint16_t hsio_version;
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uint16_t hsio_checksum;
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};
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void power_state_get(struct udevice *pch_dev, struct chipset_power_state *ps);
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#endif
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