/* * This file is part of the coreboot project. * * Copyright (C) 2012 The Chromium OS 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 #include #include #include "nehalem.h" #define PCI_DEV_SNB PCI_DEV(0, 0, 0) void intel_nehalem_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); }