| /* |
| * This file is part of the coreboot project. |
| * |
| * Copyright (C) 2011 The ChromiumOS Authors. All rights reserved. |
| * |
| * This program is free software; you can redistribute it and/or modify |
| * it under the terms of the GNU General Public License as published by |
| * the Free Software Foundation; version 2 of the License. |
| * |
| * This program is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| * GNU General Public License for more details. |
| */ |
| |
| #ifndef __VENDORCODE_GOOGLE_CHROMEOS_GNVS_H |
| #define __VENDORCODE_GOOGLE_CHROMEOS_GNVS_H |
| |
| #include <compiler.h> |
| |
| #define BOOT_REASON_OTHER 0 |
| #define BOOT_REASON_S3DIAG 9 |
| |
| #define CHSW_RECOVERY_X86 (1 << 1) |
| #define CHSW_RECOVERY_EC (1 << 2) |
| #define CHSW_DEVELOPER_SWITCH (1 << 5) |
| #define CHSW_FIRMWARE_WP_DIS (1 << 9) |
| |
| #define ACTIVE_MAINFW_RECOVERY 0 |
| #define ACTIVE_MAINFW_RW_A 1 |
| #define ACTIVE_MAINFW_RW_B 2 |
| |
| #define ACTIVE_MAINFW_TYPE_RECOVERY 0 |
| #define ACTIVE_MAINFW_TYPE_NORMAL 1 |
| #define ACTIVE_MAINFW_TYPE_DEVELOPER 2 |
| |
| #define RECOVERY_REASON_NONE 0 |
| #define RECOVERY_REASON_ME 1 |
| // TODO(reinauer) other recovery reasons? |
| |
| #define ACTIVE_ECFW_RO 0 |
| #define ACTIVE_ECFW_RW 1 |
| |
| /* |
| * chromeos_acpi_t portion of ACPI GNVS is assumed to live at |
| * 0x100 - 0x1000. When defining global_nvs_t, use check_member |
| * to ensure that it is properly aligned: |
| * |
| * check_member(global_nvs_t, chromeos, GNVS_CHROMEOS_ACPI_OFFSET); |
| */ |
| #define GNVS_CHROMEOS_ACPI_OFFSET 0x100 |
| |
| /* device_nvs_t is assumed to live directly after chromeos_acpi_t. */ |
| #define GNVS_DEVICE_NVS_OFFSET 0x1000 |
| |
| typedef struct { |
| /* ChromeOS specific */ |
| u32 vbt0; // 00 boot reason |
| u32 vbt1; // 04 active main firmware |
| u32 vbt2; // 08 active ec firmware |
| u16 vbt3; // 0c CHSW |
| u8 vbt4[256]; // 0e HWID |
| u8 vbt5[64]; // 10e FWID |
| u8 vbt6[64]; // 14e FRID - 275 |
| u32 vbt7; // 18e active main firmware type |
| u32 vbt8; // 192 recovery reason |
| u32 vbt9; // 196 fmap base address |
| u8 vdat[3072]; // 19a VDAT space filled by verified boot |
| u32 vbt10; // d9a smbios bios version |
| u32 mehh[8]; // d9e management engine hash |
| u32 ramoops_base; // dbe ramoops base address |
| u32 ramoops_len; // dc2 ramoops length |
| u8 pad[314]; // dc6-eff |
| } __packed chromeos_acpi_t; |
| |
| void chromeos_init_vboot(chromeos_acpi_t *init); |
| void chromeos_set_me_hash(u32*, int); |
| void acpi_get_chromeos_acpi_info(uint64_t *chromeos_acpi_addr, |
| uint32_t *chromeos_acpi_size); |
| chromeos_acpi_t *acpi_get_chromeos_acpi(void); |
| |
| #endif |