2 * This file is part of the coreboot project.
4 * Copyright (C) 2011 The ChromiumOS Authors. All rights reserved.
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; version 2 of the License.
10 * This program is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 * GNU General Public License for more details.
15 * You should have received a copy of the GNU General Public License
16 * along with this program; if not, write to the Free Software
17 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
20 #ifndef __VENDORCODE_GOOGLE_CHROMEOS_GNVS_H
21 #define __VENDORCODE_GOOGLE_CHROMEOS_GNVS_H
23 #define BOOT_REASON_OTHER 0
24 #define BOOT_REASON_S3DIAG 9
26 #define CHSW_RECOVERY_X86 (1 << 1)
27 #define CHSW_RECOVERY_EC (1 << 2)
28 #define CHSW_DEVELOPER_SWITCH (1 << 5)
29 #define CHSW_FIRMWARE_WP_DIS (1 << 9)
31 #define ACTIVE_MAINFW_RECOVERY 0
32 #define ACTIVE_MAINFW_RW_A 1
33 #define ACTIVE_MAINFW_RW_B 2
35 #define ACTIVE_MAINFW_TYPE_RECOVERY 0
36 #define ACTIVE_MAINFW_TYPE_NORMAL 1
37 #define ACTIVE_MAINFW_TYPE_DEVELOPER 2
39 #define RECOVERY_REASON_NONE 0
40 #define RECOVERY_REASON_ME 1
41 // TODO(reinauer) other recovery reasons?
43 #define ACTIVE_ECFW_RO 0
44 #define ACTIVE_ECFW_RW 1
47 /* ChromeOS specific */
48 u32 vbt0; // 00 boot reason
49 u32 vbt1; // 04 active main firmware
50 u32 vbt2; // 08 active ec firmware
52 u8 vbt4[256]; // 0e HWID
53 u8 vbt5[64]; // 10e FWID
54 u8 vbt6[64]; // 14e FRID - 275
55 u32 vbt7; // 18e active main firmware type
56 u32 vbt8; // 192 recovery reason
57 u32 vbt9; // 196 fmap base address
59 u32 vbt10; // d9a smbios bios version
60 u32 mehh[8]; // d9e management engine hash
62 } __attribute__((packed)) chromeos_acpi_t;
64 extern chromeos_acpi_t *vboot_data;
65 void chromeos_init_vboot(chromeos_acpi_t *chromeos);
66 void chromeos_set_vboot_data_ptr(void *);
67 void chromeos_set_me_hash(u32*, int);