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chromeos: Move common VBNV offsets to a header 

Some common VBNV variable offsets were defined in multiple vbnv_*
source files. This moves them to a header so that we can avoid
duplicating them in the future.

BUG=none
BRANCH=none
TEST=compiled for nyan_blaze and rambi

Change-Id: Ic292e546b665b40678b4de598783c1f6bfa35426
Signed-off-by: Stefan Reinauer <reinauer@chromium.org>
Original-Commit-Id: fd776f303a3d057d4b70997e7bb6bc85767e2278
Original-Signed-off-by: David Hendricks <dhendrix@chromium.org>
Original-Change-Id: Ifcc13c90a910b86d4f9bb0027d913572c1d6d00b
Original-Reviewed-on: https://chromium-review.googlesource.com/239977
Original-Reviewed-by: Aaron Durbin <adurbin@chromium.org>
Original-Reviewed-by: Julius Werner <jwerner@chromium.org>
Original-Reviewed-by: Randall Spangler <rspangler@chromium.org>
Reviewed-on: http://review.coreboot.org/9560
Tested-by: build bot (Jenkins)
Reviewed-by: Patrick Georgi <pgeorgi@google.com>
This commit is contained in:
David Hendricks 2015-01-02 15:16:41 -08:00 committed by Patrick Georgi
parent 2a5c8f0bc4
commit 6fd3501cbd
3 changed files with 53 additions and 56 deletions
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29
src/vendorcode/google/chromeos/vbnv_cmos.c
View File

@ -27,34 +27,7 @@
#if IS_ENABLED(CONFIG_VBOOT_VERIFY_FIRMWARE)
#include "vboot_handoff.h"
#endif
#define VBNV_BLOCK_SIZE 16 /* Size of NV storage block in bytes */
/* Constants for NV storage. We use this rather than structs and
* bitfields so the data format is consistent across platforms and
* compilers.
*/
#define HEADER_OFFSET 0
#define HEADER_MASK 0xC0
#define HEADER_SIGNATURE 0x40
#define HEADER_FIRMWARE_SETTINGS_RESET 0x20
#define HEADER_KERNEL_SETTINGS_RESET 0x10
#define BOOT_OFFSET 1
#define BOOT_DEBUG_RESET_MODE 0x80
#define BOOT_DISABLE_DEV_REQUEST 0x40
#define BOOT_OPROM_NEEDED 0x20
#define BOOT_TRY_B_COUNT_MASK 0x0F
#define RECOVERY_OFFSET 2
#define LOCALIZATION_OFFSET 3
#define DEV_FLAGS_OFFSET 4
#define DEV_BOOT_USB_MASK 0x01
#define DEV_BOOT_SIGNED_ONLY_MASK 0x02
#define KERNEL_FIELD_OFFSET 11
#define CRC_OFFSET 15
#include "vbnv_layout.h"
static int vbnv_initialized CAR_GLOBAL;
static uint8_t vbnv[CONFIG_VBNV_SIZE] CAR_GLOBAL;

29
src/vendorcode/google/chromeos/vbnv_ec.c
View File

@ -23,34 +23,7 @@
#include <arch/early_variables.h>
#include <ec/google/chromeec/ec.h>
#include "chromeos.h"
#define VBNV_BLOCK_SIZE 16 /* Size of NV storage block in bytes */
/* Constants for NV storage. We use this rather than structs and
* bitfields so the data format is consistent across platforms and
* compilers.
*/
#define HEADER_OFFSET 0
#define HEADER_MASK 0xC0
#define HEADER_SIGNATURE 0x40
#define HEADER_FIRMWARE_SETTINGS_RESET 0x20
#define HEADER_KERNEL_SETTINGS_RESET 0x10
#define BOOT_OFFSET 1
#define BOOT_DEBUG_RESET_MODE 0x80
#define BOOT_DISABLE_DEV_REQUEST 0x40
#define BOOT_OPROM_NEEDED 0x20
#define BOOT_TRY_B_COUNT_MASK 0x0F
#define RECOVERY_OFFSET 2
#define LOCALIZATION_OFFSET 3
#define DEV_FLAGS_OFFSET 4
#define DEV_BOOT_USB_MASK 0x01
#define DEV_BOOT_SIGNED_ONLY_MASK 0x02
#define KERNEL_FIELD_OFFSET 11
#define CRC_OFFSET 15
#include "vbnv_layout.h"
static int vbnv_initialized CAR_GLOBAL;
static uint8_t vbnv[VBNV_BLOCK_SIZE] CAR_GLOBAL;

51
src/vendorcode/google/chromeos/vbnv_layout.h Normal file
View File

@ -0,0 +1,51 @@
/*
* This file is part of the coreboot project.
*
* Copyright (C) 2015 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.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
#ifndef VBNV_LAYOUT_H
#define VBNV_LAYOUT_H
#define VBNV_BLOCK_SIZE 16 /* Size of NV storage block in bytes */
/* Constants for NV storage. We use this rather than structs and
* bitfields so the data format is consistent across platforms and
* compilers.
*/
#define HEADER_OFFSET 0
#define HEADER_MASK 0xC0
#define HEADER_SIGNATURE 0x40
#define HEADER_FIRMWARE_SETTINGS_RESET 0x20
#define HEADER_KERNEL_SETTINGS_RESET 0x10
#define BOOT_OFFSET 1
#define BOOT_DEBUG_RESET_MODE 0x80
#define BOOT_DISABLE_DEV_REQUEST 0x40
#define BOOT_OPROM_NEEDED 0x20
#define BOOT_TRY_B_COUNT_MASK 0x0F
#define RECOVERY_OFFSET 2
#define LOCALIZATION_OFFSET 3
#define DEV_FLAGS_OFFSET 4
#define DEV_BOOT_USB_MASK 0x01
#define DEV_BOOT_SIGNED_ONLY_MASK 0x02
#define KERNEL_FIELD_OFFSET 11
#define CRC_OFFSET 15
#endif /* VBNV_LAYOUT_H */