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https://github.com/brain-hackers/u-boot-brain
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x86: Update Chromium OS GNVS names
The Global Non-Volatile Storage struct has some fields with particular meanings. Rename these to make things easier to follow. Also add a few more boot flags. GNVS should not be confused with GNVQ (Going Nowhere Very Quickly). Signed-off-by: Simon Glass <sjg@chromium.org> Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
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@ -9,6 +9,7 @@
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#ifndef _INTEL_GNVS_H_
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#define _INTEL_GNVS_H_
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#include <linux/bitops.h>
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/*
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* The chromeos_acpi portion of ACPI GNVS is assumed to live from offset
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* 0x100 - 0x1000. When defining acpi_global_nvs, use check_member
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@ -18,6 +19,11 @@
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*/
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#define GNVS_CHROMEOS_ACPI_OFFSET 0x100
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enum {
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BOOT_REASON_OTHER = 0,
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BOOT_REASON_S3DIAG = 9
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};
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enum {
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CHSW_RECOVERY_X86 = BIT(1),
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CHSW_RECOVERY_EC = BIT(2),
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@ -25,6 +31,22 @@ enum {
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CHSW_FIRMWARE_WP = BIT(9),
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};
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enum {
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RECOVERY_REASON_NONE = 0,
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RECOVERY_REASON_ME = 1
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};
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enum {
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ACTIVE_ECFW_RO = 0,
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ACTIVE_ECFW_RW = 1
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};
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enum {
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BINF_RECOVERY = 0,
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BINF_RW_A = 1,
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BINF_RW_B = 2
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};
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enum {
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FIRMWARE_TYPE_AUTO_DETECT = -1,
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FIRMWARE_TYPE_RECOVERY = 0,
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@ -40,14 +62,14 @@ struct __packed chromeos_acpi_gnvs {
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u32 active_main_fw; /* 04 (0=recovery, 1=A, 2=B) */
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u32 activeec_fw; /* 08 (0=RO, 1=RW) */
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u16 switches; /* 0c CHSW */
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u8 vbt4[256]; /* 0e HWID */
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u8 vbt5[64]; /* 10e FWID */
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u8 vbt6[64]; /* 14e FRID - 275 */
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u8 hwid[256]; /* 0e HWID */
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u8 fwid[64]; /* 10e FWID */
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u8 frid[64]; /* 14e FRID - 275 */
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u32 main_fw_type; /* 18e (2 = developer mode) */
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u32 vbt8; /* 192 recovery reason */
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u32 vbt9; /* 196 fmap base address */
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u32 recovery_reason; /* 192 recovery reason */
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u32 fmap_base; /* 196 fmap base address */
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u8 vdat[3072]; /* 19a VDAT space filled by verified boot */
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u32 vbt10; /* d9a smbios bios version */
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u32 fwid_ptr; /* d9a smbios bios version */
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u32 mehh[8]; /* d9e management engine hash */
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u32 ramoops_base; /* dbe ramoops base address */
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u32 ramoops_len; /* dc2 ramoops length */
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