Angel Pons | 6e5aabd | 2020-03-23 23:44:42 +0100 | [diff] [blame^] | 1 | /* SPDX-License-Identifier: GPL-2.0-only */ |
| 2 | /* This file is part of the coreboot project. */ |
Stefan Reinauer | 00636b0 | 2012-04-04 00:08:51 +0200 | [diff] [blame] | 3 | |
Patrick Rudolph | e56189c | 2018-04-18 10:11:59 +0200 | [diff] [blame] | 4 | #include <device/pci_ops.h> |
Stefan Reinauer | 00636b0 | 2012-04-04 00:08:51 +0200 | [diff] [blame] | 5 | #include "sandybridge.h" |
| 6 | |
Stefan Reinauer | 00636b0 | 2012-04-04 00:08:51 +0200 | [diff] [blame] | 7 | void intel_sandybridge_finalize_smm(void) |
| 8 | { |
Angel Pons | 7c49cb8 | 2020-03-16 23:17:32 +0100 | [diff] [blame] | 9 | pci_or_config16(HOST_BRIDGE, GGC, 1 << 0); |
| 10 | pci_or_config16(HOST_BRIDGE, PAVPC, 1 << 2); |
| 11 | pci_or_config32(HOST_BRIDGE, DPR, 1 << 0); |
| 12 | pci_or_config32(HOST_BRIDGE, MESEG_MASK, MELCK); |
| 13 | pci_or_config32(HOST_BRIDGE, REMAPBASE, 1 << 0); |
| 14 | pci_or_config32(HOST_BRIDGE, REMAPLIMIT, 1 << 0); |
| 15 | pci_or_config32(HOST_BRIDGE, TOM, 1 << 0); |
| 16 | pci_or_config32(HOST_BRIDGE, TOUUD, 1 << 0); |
| 17 | pci_or_config32(HOST_BRIDGE, BDSM, 1 << 0); |
| 18 | pci_or_config32(HOST_BRIDGE, BGSM, 1 << 0); |
| 19 | pci_or_config32(HOST_BRIDGE, TSEGMB, 1 << 0); |
| 20 | pci_or_config32(HOST_BRIDGE, TOLUD, 1 << 0); |
Stefan Reinauer | 00636b0 | 2012-04-04 00:08:51 +0200 | [diff] [blame] | 21 | |
Angel Pons | 7c49cb8 | 2020-03-16 23:17:32 +0100 | [diff] [blame] | 22 | MCHBAR32_OR(PAVP_MSG, 1 << 0); /* PAVP */ |
| 23 | MCHBAR32_OR(SAPMCTL, 1 << 31); /* SA PM */ |
| 24 | MCHBAR32_OR(UMAGFXCTL, 1 << 0); /* UMA GFX */ |
| 25 | MCHBAR32_OR(VTDTRKLCK, 1 << 0); /* VTDTRK */ |
| 26 | MCHBAR32_OR(REQLIM, 1 << 31); |
| 27 | MCHBAR32_OR(DMIVCLIM, 1 << 31); |
| 28 | MCHBAR32_OR(CRDTLCK, 1 << 0); |
Stefan Reinauer | 00636b0 | 2012-04-04 00:08:51 +0200 | [diff] [blame] | 29 | |
| 30 | /* Memory Controller Lockdown */ |
Angel Pons | 8852188 | 2020-01-05 20:21:20 +0100 | [diff] [blame] | 31 | MCHBAR8(MC_LOCK) = 0x8f; |
Stefan Reinauer | 00636b0 | 2012-04-04 00:08:51 +0200 | [diff] [blame] | 32 | |
| 33 | /* Read+write the following */ |
Angel Pons | 7c49cb8 | 2020-03-16 23:17:32 +0100 | [diff] [blame] | 34 | MCHBAR32(VDMBDFBARKVM) = MCHBAR32(VDMBDFBARKVM); |
| 35 | MCHBAR32(VDMBDFBARPAVP) = MCHBAR32(VDMBDFBARPAVP); |
| 36 | MCHBAR32(HDAUDRID) = MCHBAR32(HDAUDRID); |
Stefan Reinauer | 00636b0 | 2012-04-04 00:08:51 +0200 | [diff] [blame] | 37 | } |