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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.
*/
#include <types.h>
#include <string.h>
#include <stdlib.h>
#include <cbfs.h>
#include <cbmem.h>
#include <console/console.h>
#include <elog.h>
#include <security/vboot/vbnv.h>
#include <security/vboot/vboot_common.h>
#include <vboot_struct.h>
#include "chromeos.h"
#include "gnvs.h"
chromeos_acpi_t *vboot_data = NULL;
static u32 me_hash_saved[8];
void chromeos_init_vboot(chromeos_acpi_t *chromeos)
{
vboot_data = chromeos;
/* Copy saved ME hash into NVS */
memcpy(vboot_data->mehh, me_hash_saved, sizeof(vboot_data->mehh));
struct vboot_handoff *vboot_handoff;
if (vboot_get_handoff_info((void **)&vboot_handoff, NULL) == 0)
memcpy(&chromeos->vdat[0], &vboot_handoff->shared_data[0],
ARRAY_SIZE(chromeos->vdat));
chromeos_ram_oops_init(chromeos);
}
void chromeos_set_me_hash(u32 *hash, int len)
{
if ((len*sizeof(u32)) > sizeof(vboot_data->mehh))
return;
/* Copy to NVS or save until it is ready */
if (vboot_data)
/* This does never happen! */
memcpy(vboot_data->mehh, hash, len*sizeof(u32));
else
memcpy(me_hash_saved, hash, len*sizeof(u32));
}
void acpi_get_vdat_info(uint64_t *vdat_addr, uint32_t *vdat_size)
{
*vdat_addr = (intptr_t)vboot_data;
*vdat_size = sizeof(*vboot_data);
}
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