src/northbridge/intel/ironlake/finalize.c

/*
 * This file is part of the coreboot project.
 *
 *
 * 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 "ironlake.h"

#define PCI_DEV_SNB PCI_DEV(0, 0, 0)

void intel_ironlake_finalize_smm(void)
{
	MCHBAR32_OR(0x5500, 1 << 0);	/* PAVP */
	MCHBAR32_OR(0x5f00, 1 << 31);	/* SA PM */
	MCHBAR32_OR(0x6020, 1 << 0);	/* UMA GFX */
	MCHBAR32_OR(0x63fc, 1 << 0);	/* VTDTRK */
	MCHBAR32_OR(0x6800, 1 << 31);
	MCHBAR32_OR(0x7000, 1 << 31);
	MCHBAR32_OR(0x77fc, 1 << 0);

	/* Memory Controller Lockdown */
	MCHBAR8(0x50fc) = 0x8f;

	/* Read+write the following */
	MCHBAR32(0x6030) = MCHBAR32(0x6030);
	MCHBAR32(0x6034) = MCHBAR32(0x6034);
	MCHBAR32(0x6008) = MCHBAR32(0x6008);
}