/* * 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; }