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/*
* This file is part of the coreboot project.
*
* Copyright (C) 2016 Intel Corporation.
*
* 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 <console/console.h>
#include <soc/ramstage.h>
#include <fsp/gop.h>
#include <stdlib.h>
#include <string.h>
int init_igd_opregion(igd_opregion_t *opregion)
{
const optionrom_vbt_t *vbt;
uint32_t vbt_len;
memset(opregion, 0, sizeof(igd_opregion_t));
/* Read VBT table from flash */
vbt = fsp_get_vbt(&vbt_len);
if (!vbt)
die("vbt data not found");
memcpy(&opregion->header.signature, IGD_OPREGION_SIGNATURE,
sizeof(IGD_OPREGION_SIGNATURE) - 1);
memcpy(opregion->header.vbios_version, vbt->coreblock_biosbuild, sizeof(u32));
memcpy(opregion->vbt.gvd1, vbt, vbt->hdr_vbt_size <
sizeof(opregion->vbt.gvd1) ? vbt->hdr_vbt_size :
sizeof(opregion->vbt.gvd1));
/* Size, in KB, of the entire OpRegion structure (including header)*/
opregion->header.size = sizeof(igd_opregion_t) / KiB;
opregion->header.version = IGD_OPREGION_VERSION;
/* We just assume we're mobile for now */
opregion->header.mailboxes = MAILBOXES_MOBILE;
return 0;
}
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