diff options
Diffstat (limited to 'src/vendorcode/google/chromeos/vbnv_cmos.c')
| -rw-r--r-- | src/vendorcode/google/chromeos/vbnv_cmos.c | 79 |
1 files changed, 0 insertions, 79 deletions
diff --git a/src/vendorcode/google/chromeos/vbnv_cmos.c b/src/vendorcode/google/chromeos/vbnv_cmos.c deleted file mode 100644 index da0d3005fd..0000000000 --- a/src/vendorcode/google/chromeos/vbnv_cmos.c +++ /dev/null @@ -1,79 +0,0 @@ -/* - * 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. - */ - -#include <bootstate.h> -#include <console/console.h> -#include <types.h> -#include <pc80/mc146818rtc.h> -#include "vbnv.h" -#include "vbnv_layout.h" - -void read_vbnv_cmos(uint8_t *vbnv_copy) -{ - int i; - - for (i = 0; i < VBNV_BLOCK_SIZE; i++) - vbnv_copy[i] = cmos_read(CONFIG_VBNV_OFFSET + 14 + i); - - if (IS_ENABLED(CONFIG_CHROMEOS_VBNV_CMOS_BACKUP_TO_FLASH)) { - if (verify_vbnv(vbnv_copy)) - return; - - printk(BIOS_INFO, "VBNV: CMOS invalid, restoring from flash\n"); - read_vbnv_flash(vbnv_copy); - - if (verify_vbnv(vbnv_copy)) { - save_vbnv_cmos(vbnv_copy); - printk(BIOS_INFO, "VBNV: Flash backup restored\n"); - } else { - printk(BIOS_INFO, "VBNV: Restore from flash failed\n"); - } - } -} - -void save_vbnv_cmos(const uint8_t *vbnv_copy) -{ - int i; - - for (i = 0; i < VBNV_BLOCK_SIZE; i++) - cmos_write(vbnv_copy[i], CONFIG_VBNV_OFFSET + 14 + i); -} - -void init_vbnv_cmos(int rtc_fail) -{ - uint8_t vbnv[VBNV_BLOCK_SIZE]; - - if (rtc_fail) - read_vbnv_cmos(vbnv); - - cmos_init(rtc_fail); - - if (rtc_fail) - save_vbnv_cmos(vbnv); -} - -#if IS_ENABLED(CONFIG_CHROMEOS_VBNV_CMOS_BACKUP_TO_FLASH) -static void back_up_vbnv_cmos(void *unused) -{ - uint8_t vbnv_cmos[VBNV_BLOCK_SIZE]; - - /* Read current VBNV from CMOS. */ - read_vbnv_cmos(vbnv_cmos); - - /* Save to flash, will only be saved if different. */ - save_vbnv_flash(vbnv_cmos); -} -BOOT_STATE_INIT_ENTRY(BS_POST_DEVICE, BS_ON_EXIT, back_up_vbnv_cmos, NULL); -#endif |