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authorSimon Glass <sjg@chromium.org>2016-03-11 22:07:25 -0700
committerBin Meng <bmeng.cn@gmail.com>2016-03-17 10:27:26 +0800
commit71a8f2080b77591eb14f61aba947aa9e869b847f (patch)
tree780fe34d9ae11aea3337386749e43865d9f11455 /arch/x86/include
parente7994858ec7943f6f163f507c04dff45bb6c539c (diff)
downloadtalos-obmc-uboot-71a8f2080b77591eb14f61aba947aa9e869b847f.tar.gz
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x86: broadwell: Add power-control support
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>
Diffstat (limited to 'arch/x86/include')
-rw-r--r--arch/x86/include/asm/arch-broadwell/pm.h129
1 files changed, 129 insertions, 0 deletions
diff --git a/arch/x86/include/asm/arch-broadwell/pm.h b/arch/x86/include/asm/arch-broadwell/pm.h
new file mode 100644
index 0000000000..36ad842368
--- /dev/null
+++ b/arch/x86/include/asm/arch-broadwell/pm.h
@@ -0,0 +1,129 @@
+/*
+ * From coreboot src/soc/intel/broadwell/include/soc/pm.h
+ *
+ * Copyright (C) 2016 Google, Inc.
+ *
+ * SPDX-License-Identifier: GPL-2.0
+ */
+
+#ifndef __ASM_ARCH_PM_H
+#define __ASM_ARCH_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 SLP_EN (1 << 13)
+#define SLP_TYP (7 << 10)
+#define SLP_TYP_SHIFT 10
+#define SLP_TYP_S0 0
+#define SLP_TYP_S1 1
+#define SLP_TYP_S3 5
+#define SLP_TYP_S4 6
+#define SLP_TYP_S5 7
+#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 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_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 UPWRC 0x3c
+#define UPWRC_WS (1 << 8)
+#define UPWRC_WE (1 << 1)
+#define UPWRC_SMI (1 << 0)
+#define GPE_CNTL 0x42
+#define SWGPE_CTRL (1 << 1)
+#define DEVACT_STS 0x44
+#define PM2_CNT 0x50
+#define TCO1_CNT 0x60
+#define TCO_TMR_HLT (1 << 11)
+#define TCO1_STS 0x64
+#define DMISCI_STS (1 << 9)
+#define TCO2_STS 0x66
+#define TCO2_STS_SECOND_TO (1 << 1)
+
+#define GPE0_REG_MAX 4
+#define GPE0_REG_SIZE 32
+#define GPE0_STS(x) (0x80 + (x * 4))
+#define GPE_31_0 0 /* 0x80/0x90 = GPE[31:0] */
+#define GPE_63_32 1 /* 0x84/0x94 = GPE[63:32] */
+#define GPE_94_64 2 /* 0x88/0x98 = GPE[94:64] */
+#define GPE_STD 3 /* 0x8c/0x9c = Standard GPE */
+#define WADT_STS (1 << 18)
+#define GP27_STS (1 << 16)
+#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) (0x90 + (x * 4))
+#define WADT_en (1 << 18)
+#define GP27_EN (1 << 16)
+#define PME_B0_EN (1 << 13)
+#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 MAINBOARD_POWER_OFF 0
+#define MAINBOARD_POWER_ON 1
+#define MAINBOARD_POWER_KEEP 2
+
+#define SLEEP_STATE_S0 0
+#define SLEEP_STATE_S3 3
+#define SLEEP_STATE_S5 5
+
+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];
+ uint16_t gen_pmcon1;
+ uint16_t gen_pmcon2;
+ uint16_t gen_pmcon3;
+ int prev_sleep_state;
+ uint16_t hsio_version;
+ uint16_t hsio_checksum;
+};
+
+void power_state_get(struct udevice *pch_dev, struct chipset_power_state *ps);
+
+#endif
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