0f68b23aaf
Change-Id: I12ebed30de4df9814ccb62341c7715fc62c7f5b9 Signed-off-by: Patrick Georgi <pgeorgi@chromium.org> Signed-off-by: Pratik Prajapati <pratikkumar.v.prajapati@intel.com> Reviewed-on: https://review.coreboot.org/23431 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Arthur Heymans <arthur@aheymans.xyz>
68 lines
1.9 KiB
C
68 lines
1.9 KiB
C
/*
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* This file is part of the coreboot project.
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*
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* Copyright (C) 2016 Intel 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 <console/console.h>
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#include <string.h>
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#include <cbmem.h>
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#include <drivers/intel/gma/opregion.h>
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#include "opregion.h"
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#include "vbt.h"
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enum cb_err init_igd_opregion(igd_opregion_t *opregion)
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{
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optionrom_vbt_t *vbt;
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optionrom_vbt_t *ext_vbt;
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vbt = locate_vbt();
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if (!vbt) {
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printk(BIOS_ERR, "VBT couldn't be read\n");
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return CB_ERR;
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}
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memset(opregion, 0, sizeof(igd_opregion_t));
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memcpy(&opregion->header.signature, IGD_OPREGION_SIGNATURE,
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sizeof(opregion->header.signature));
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memcpy(opregion->header.vbios_version, vbt->coreblock_biosbuild,
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ARRAY_SIZE(vbt->coreblock_biosbuild));
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/* Extended VBT support */
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if (vbt->hdr_vbt_size > sizeof(opregion->vbt.gvd1)) {
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ext_vbt = cbmem_add(CBMEM_ID_EXT_VBT, vbt->hdr_vbt_size);
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if (ext_vbt == NULL) {
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printk(BIOS_ERR, "Unable to add Ext VBT to cbmem!\n");
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return CB_ERR;
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}
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memcpy(ext_vbt, vbt, vbt->hdr_vbt_size);
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opregion->mailbox3.rvda = (uintptr_t)ext_vbt;
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opregion->mailbox3.rvds = vbt->hdr_vbt_size;
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} else {
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/* Raw VBT size which can fit in gvd1 */
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memcpy(opregion->vbt.gvd1, vbt, vbt->hdr_vbt_size);
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}
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/* 8KiB */
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opregion->header.size = sizeof(igd_opregion_t) / KiB;
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opregion->header.version = IGD_OPREGION_VERSION << 24;
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/* FIXME We just assume we're mobile for now */
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opregion->header.mailboxes = MAILBOXES_MOBILE;
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return CB_SUCCESS;
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}
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