0d9cd92efb
1. Currenty, boot reason is being added to elog only for some ARM32/ARM64 platforms. Change this so that boot reason is logged by default in elog for all devices which have CHROMEOS selected. 2. Add a new option to select ELOG_WATCHDOG_RESET for the devices that want to add details about watchdog reset in elog. This requires a special region WATCHDOG to be present in the memlayout. 3. Remove calls to elog add boot reason and watchdog reset from mainboards. BUG=chrome-os-partner:55639 Change-Id: I91ff5b158cfd2a0749e7fefc498d8659f7e6aa91 Signed-off-by: Furquan Shaikh <furquan@google.com> Reviewed-on: https://review.coreboot.org/15897 Reviewed-by: Aaron Durbin <adurbin@chromium.org> Tested-by: build bot (Jenkins)
57 lines
1.4 KiB
C
57 lines
1.4 KiB
C
/*
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* This file is part of the coreboot project.
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*
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* Copyright 2015 Google Inc.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; version 2 of the License.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*/
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#include <arch/io.h>
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#include <assert.h>
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#include <bootstate.h>
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#include <console/console.h>
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#include <elog.h>
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#include <reset.h>
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#include <symbols.h>
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#include "chromeos.h"
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#include "symbols.h"
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#define WATCHDOG_TOMBSTONE_MAGIC 0x9d2f41a7
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DECLARE_OPTIONAL_REGION(watchdog_tombstone);
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static void elog_handle_watchdog_tombstone(void *unused)
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{
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if (!_watchdog_tombstone_size)
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return;
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if (read32(_watchdog_tombstone) == WATCHDOG_TOMBSTONE_MAGIC)
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elog_add_event(ELOG_TYPE_ASYNC_HW_TIMER_EXPIRED);
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write32(_watchdog_tombstone, 0);
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}
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BOOT_STATE_INIT_ENTRY(BS_POST_DEVICE, BS_ON_ENTRY,
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elog_handle_watchdog_tombstone, NULL);
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void mark_watchdog_tombstone(void)
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{
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assert(_watchdog_tombstone_size);
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write32(_watchdog_tombstone, WATCHDOG_TOMBSTONE_MAGIC);
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}
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void reboot_from_watchdog(void)
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{
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printk(BIOS_INFO, "Last reset was watchdog, reboot again to reset TPM!\n");
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mark_watchdog_tombstone();
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hard_reset();
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}
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