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/*
* 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.
*
* 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.
*/
#include <stddef.h>
#include <string.h>
#include "chromeos.h"
#include <boot/coreboot_tables.h>
#include <cbfs.h>
#include <cbmem.h>
#include <console/console.h>
#include "vboot_handoff.h"
static int vboot_handoff_flag(uint32_t flag)
{
struct vboot_handoff *vbho;
vbho = cbmem_find(CBMEM_ID_VBOOT_HANDOFF);
if (vbho == NULL)
return 0;
return !!(vbho->init_params.out_flags & flag);
}
int vboot_skip_display_init(void)
{
return !vboot_handoff_flag(VB_INIT_OUT_ENABLE_DISPLAY);
}
int vboot_enable_developer(void)
{
return vboot_handoff_flag(VB_INIT_OUT_ENABLE_DEVELOPER);
}
int vboot_enable_recovery(void)
{
return vboot_handoff_flag(VB_INIT_OUT_ENABLE_RECOVERY);
}
int __attribute__((weak)) clear_recovery_mode_switch(void)
{
// Can be implemented by a mainboard
return 0;
}
#ifdef __ROMSTAGE__
void __attribute__((weak)) save_chromeos_gpios(void)
{
// Can be implemented by a mainboard
}
int __attribute__((weak)) vboot_get_sw_write_protect(void)
{
// Can be implemented by a platform / mainboard
return 0;
}
#endif
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