diff options
author | Stefan Reinauer <stefan.reinauer@coreboot.org> | 2012-04-04 00:08:51 +0200 |
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committer | Stefan Reinauer <stefan.reinauer@coreboot.org> | 2012-04-05 20:59:31 +0200 |
commit | 00636b0daefc3c499990744226a0e1a316d71731 (patch) | |
tree | 4360fe7a5817a4d6c2164daf547b7d9ba5bd46a8 /src/northbridge/intel/sandybridge/finalize.c | |
parent | 4dd3853437a3506880e2879e6640d455778f6413 (diff) |
Add support for Intel Sandybridge CPU (northbridge part)
Change-Id: I06228ecf9cac931ad34e32871d5a4f2a4857b2ac
Signed-off-by: Duncan Laurie <dlaurie@google.com>
Signed-off-by: Stefan Reinauer <reinauer@google.com>
Reviewed-on: http://review.coreboot.org/854
Tested-by: build bot (Jenkins)
Reviewed-by: Ronald G. Minnich <rminnich@gmail.com>
Diffstat (limited to 'src/northbridge/intel/sandybridge/finalize.c')
-rw-r--r-- | src/northbridge/intel/sandybridge/finalize.c | 58 |
1 files changed, 58 insertions, 0 deletions
diff --git a/src/northbridge/intel/sandybridge/finalize.c b/src/northbridge/intel/sandybridge/finalize.c new file mode 100644 index 0000000000..5bd3f1a5e2 --- /dev/null +++ b/src/northbridge/intel/sandybridge/finalize.c @@ -0,0 +1,58 @@ +/* + * 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. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#include <arch/io.h> +#include <arch/romcc_io.h> +#include <stdlib.h> +#include "pcie_config.c" +#include "sandybridge.h" + +#define PCI_DEV_SNB PCI_DEV(0, 0, 0) + +void intel_sandybridge_finalize_smm(void) +{ + pcie_or_config16(PCI_DEV_SNB, 0x50, 1 << 0); /* GGC */ + pcie_or_config32(PCI_DEV_SNB, 0x5c, 1 << 0); /* DPR */ + pcie_or_config32(PCI_DEV_SNB, 0x78, 1 << 10); /* ME */ + pcie_or_config32(PCI_DEV_SNB, 0x90, 1 << 0); /* REMAPBASE */ + pcie_or_config32(PCI_DEV_SNB, 0x98, 1 << 0); /* REMAPLIMIT */ + pcie_or_config32(PCI_DEV_SNB, 0xa0, 1 << 0); /* TOM */ + pcie_or_config32(PCI_DEV_SNB, 0xa8, 1 << 0); /* TOUUD */ + pcie_or_config32(PCI_DEV_SNB, 0xb0, 1 << 0); /* BDSM */ + pcie_or_config32(PCI_DEV_SNB, 0xb4, 1 << 0); /* BGSM */ + pcie_or_config32(PCI_DEV_SNB, 0xb8, 1 << 0); /* TSEGMB */ + pcie_or_config32(PCI_DEV_SNB, 0xbc, 1 << 0); /* TOLUD */ + + 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); +} |