/* SPDX-License-Identifier: GPL-2.0-only */ #include #include "sandybridge.h" void intel_sandybridge_finalize_smm(void) { pci_or_config16(HOST_BRIDGE, GGC, 1 << 0); pci_or_config16(HOST_BRIDGE, PAVPC, 1 << 2); pci_or_config32(HOST_BRIDGE, DPR, 1 << 0); pci_or_config32(HOST_BRIDGE, MESEG_MASK, MELCK); pci_or_config32(HOST_BRIDGE, REMAPBASE, 1 << 0); pci_or_config32(HOST_BRIDGE, REMAPLIMIT, 1 << 0); pci_or_config32(HOST_BRIDGE, TOM, 1 << 0); pci_or_config32(HOST_BRIDGE, TOUUD, 1 << 0); pci_or_config32(HOST_BRIDGE, BDSM, 1 << 0); pci_or_config32(HOST_BRIDGE, BGSM, 1 << 0); pci_or_config32(HOST_BRIDGE, TSEGMB, 1 << 0); pci_or_config32(HOST_BRIDGE, TOLUD, 1 << 0); mchbar_setbits32(PAVP_MSG, 1 << 0); /* PAVP */ mchbar_setbits32(SAPMCTL, 1 << 31); /* SA PM */ mchbar_setbits32(UMAGFXCTL, 1 << 0); /* UMA GFX */ mchbar_setbits32(VTDTRKLCK, 1 << 0); /* VTDTRK */ mchbar_setbits32(REQLIM, 1 << 31); mchbar_setbits32(DMIVCLIM, 1 << 31); mchbar_setbits32(CRDTLCK, 1 << 0); /* Memory Controller Lockdown */ mchbar_write8(MC_LOCK, 0x8f); /* Read+write the following */ mchbar_setbits32(VDMBDFBARKVM, 0); mchbar_setbits32(VDMBDFBARPAVP, 0); mchbar_setbits32(HDAUDRID, 0); }