diff options
Diffstat (limited to 'arch/x86/include/asm/intel_gnvs.h')
-rw-r--r-- | arch/x86/include/asm/intel_gnvs.h | 122 |
1 files changed, 0 insertions, 122 deletions
diff --git a/arch/x86/include/asm/intel_gnvs.h b/arch/x86/include/asm/intel_gnvs.h deleted file mode 100644 index 0b69530edbf..00000000000 --- a/arch/x86/include/asm/intel_gnvs.h +++ /dev/null @@ -1,122 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0 */ -/* - * Copyright (C) 2019 Intel Corporation. - * - * Taken from coreboot intelblocks/nvs.h - * Copyright 2019 Google LLC - */ - -#ifndef _INTEL_GNVS_H_ -#define _INTEL_GNVS_H_ - -#include <linux/bitops.h> -/* - * The chromeos_acpi portion of ACPI GNVS is assumed to live from offset - * 0x100 - 0x1000. When defining acpi_global_nvs, use check_member - * to ensure that it is properly aligned: - * - * check_member(acpi_global_nvs, chromeos, GNVS_CHROMEOS_ACPI_OFFSET); - */ -#define GNVS_CHROMEOS_ACPI_OFFSET 0x100 - -enum { - BOOT_REASON_OTHER = 0, - BOOT_REASON_S3DIAG = 9 -}; - -enum { - CHSW_RECOVERY_X86 = BIT(1), - CHSW_RECOVERY_EC = BIT(2), - CHSW_DEVELOPER_SWITCH = BIT(5), - CHSW_FIRMWARE_WP = BIT(9), -}; - -enum { - RECOVERY_REASON_NONE = 0, - RECOVERY_REASON_ME = 1 -}; - -enum { - ACTIVE_ECFW_RO = 0, - ACTIVE_ECFW_RW = 1 -}; - -enum { - BINF_RECOVERY = 0, - BINF_RW_A = 1, - BINF_RW_B = 2 -}; - -/** - * enum cros_fw_type_t - Used to indicate Chromium OS firmware type - * - * Chromium OS uses a region of the GNVS starting at offset 0x100 to store - * various bits of information, including the type of firmware being booted - */ -enum cros_fw_type_t { - FIRMWARE_TYPE_AUTO_DETECT = -1, - FIRMWARE_TYPE_RECOVERY = 0, - FIRMWARE_TYPE_NORMAL = 1, - FIRMWARE_TYPE_DEVELOPER = 2, - FIRMWARE_TYPE_NETBOOT = 3, - FIRMWARE_TYPE_LEGACY = 4, -}; - -struct __packed chromeos_acpi_gnvs { - /* ChromeOS-specific */ - u32 boot_reason; /* 00 boot reason */ - u32 active_main_fw; /* 04 (0=recovery, 1=A, 2=B) */ - u32 activeec_fw; /* 08 (0=RO, 1=RW) */ - u16 switches; /* 0c CHSW */ - u8 hwid[256]; /* 0e HWID */ - u8 fwid[64]; /* 10e FWID */ - u8 frid[64]; /* 14e FRID - 275 */ - u32 main_fw_type; /* 18e (2 = developer mode) */ - u32 recovery_reason; /* 192 recovery reason */ - u32 fmap_base; /* 196 fmap base address */ - u8 vdat[3072]; /* 19a VDAT space filled by verified boot */ - u32 fwid_ptr; /* d9a smbios bios version */ - u32 mehh[8]; /* d9e management engine hash */ - u32 ramoops_base; /* dbe ramoops base address */ - u32 ramoops_len; /* dc2 ramoops length */ - u32 vpd_ro_base; /* dc6 pointer to RO_VPD */ - u32 vpd_ro_size; /* dca size of RO_VPD */ - u32 vpd_rw_base; /* dce pointer to RW_VPD */ - u32 vpd_rw_size; /* dd2 size of RW_VPD */ - u8 pad[298]; /* dd6-eff */ -}; - -struct __packed acpi_global_nvs { - /* Miscellaneous */ - u8 pcnt; /* 0x00 - Processor Count */ - u8 ppcm; /* 0x01 - Max PPC State */ - u8 lids; /* 0x02 - LID State */ - u8 pwrs; /* 0x03 - AC Power State */ - u8 dpte; /* 0x04 - Enable DPTF */ - u32 cbmc; /* 0x05 - 0x08 - coreboot Memory Console */ - u64 pm1i; /* 0x09 - 0x10 - System Wake Source - PM1 Index */ - u64 gpei; /* 0x11 - 0x18 - GPE Wake Source */ - u64 nhla; /* 0x19 - 0x20 - NHLT Address */ - u32 nhll; /* 0x21 - 0x24 - NHLT Length */ - u32 prt0; /* 0x25 - 0x28 - PERST_0 Address */ - u8 scdp; /* 0x29 - SD_CD GPIO portid */ - u8 scdo; /* 0x2a - GPIO pad offset relative to the community */ - u8 uior; /* 0x2b - UART debug controller init on S3 resume */ - u8 ecps; /* 0x2c - SGX Enabled status */ - u64 emna; /* 0x2d - 0x34 EPC base address */ - u64 elng; /* 0x35 - 0x3C EPC Length */ - u8 unused1[0x100 - 0x3d]; /* Pad out to 256 bytes */ -#ifdef CONFIG_CHROMEOS - /* ChromeOS-specific (0x100 - 0xfff) */ - struct chromeos_acpi_gnvs chromeos; -#else - u8 unused2[0x1000 - 0x100]; /* Pad out to 4096 bytes */ -#endif -}; -#ifdef CONFIG_CHROMEOS -check_member(acpi_global_nvs, chromeos, GNVS_CHROMEOS_ACPI_OFFSET); -#else -check_member(acpi_global_nvs, unused2, GNVS_CHROMEOS_ACPI_OFFSET); -#endif - -#endif /* _INTEL_GNVS_H_ */ |