6e5aabd58a
Note that pei_data.h uses the BSD 3-Clause license: https://opensource.org/licenses/BSD-3-Clause Change-Id: I904b343283239af4fdee583bcbea757f59a0cca7 Signed-off-by: Angel Pons <th3fanbus@gmail.com> Reviewed-on: https://review.coreboot.org/c/coreboot/+/39777 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Felix Held <felix-coreboot@felixheld.de>
37 lines
1.3 KiB
C
37 lines
1.3 KiB
C
/* SPDX-License-Identifier: GPL-2.0-only */
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/* This file is part of the coreboot project. */
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#include <device/pci_ops.h>
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#include "sandybridge.h"
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void intel_sandybridge_finalize_smm(void)
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{
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pci_or_config16(HOST_BRIDGE, GGC, 1 << 0);
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pci_or_config16(HOST_BRIDGE, PAVPC, 1 << 2);
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pci_or_config32(HOST_BRIDGE, DPR, 1 << 0);
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pci_or_config32(HOST_BRIDGE, MESEG_MASK, MELCK);
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pci_or_config32(HOST_BRIDGE, REMAPBASE, 1 << 0);
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pci_or_config32(HOST_BRIDGE, REMAPLIMIT, 1 << 0);
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pci_or_config32(HOST_BRIDGE, TOM, 1 << 0);
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pci_or_config32(HOST_BRIDGE, TOUUD, 1 << 0);
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pci_or_config32(HOST_BRIDGE, BDSM, 1 << 0);
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pci_or_config32(HOST_BRIDGE, BGSM, 1 << 0);
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pci_or_config32(HOST_BRIDGE, TSEGMB, 1 << 0);
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pci_or_config32(HOST_BRIDGE, TOLUD, 1 << 0);
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MCHBAR32_OR(PAVP_MSG, 1 << 0); /* PAVP */
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MCHBAR32_OR(SAPMCTL, 1 << 31); /* SA PM */
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MCHBAR32_OR(UMAGFXCTL, 1 << 0); /* UMA GFX */
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MCHBAR32_OR(VTDTRKLCK, 1 << 0); /* VTDTRK */
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MCHBAR32_OR(REQLIM, 1 << 31);
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MCHBAR32_OR(DMIVCLIM, 1 << 31);
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MCHBAR32_OR(CRDTLCK, 1 << 0);
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/* Memory Controller Lockdown */
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MCHBAR8(MC_LOCK) = 0x8f;
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/* Read+write the following */
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MCHBAR32(VDMBDFBARKVM) = MCHBAR32(VDMBDFBARKVM);
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MCHBAR32(VDMBDFBARPAVP) = MCHBAR32(VDMBDFBARPAVP);
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MCHBAR32(HDAUDRID) = MCHBAR32(HDAUDRID);
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}
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