Angel Pons | 6e5aabd | 2020-03-23 23:44:42 +0100 | [diff] [blame] | 1 | /* SPDX-License-Identifier: GPL-2.0-only */ |
Stefan Reinauer | 00636b0 | 2012-04-04 00:08:51 +0200 | [diff] [blame] | 2 | |
Patrick Rudolph | e56189c | 2018-04-18 10:11:59 +0200 | [diff] [blame] | 3 | #include <device/pci_ops.h> |
Stefan Reinauer | 00636b0 | 2012-04-04 00:08:51 +0200 | [diff] [blame] | 4 | #include "sandybridge.h" |
| 5 | |
Stefan Reinauer | 00636b0 | 2012-04-04 00:08:51 +0200 | [diff] [blame] | 6 | void intel_sandybridge_finalize_smm(void) |
| 7 | { |
Angel Pons | 7c49cb8 | 2020-03-16 23:17:32 +0100 | [diff] [blame] | 8 | pci_or_config16(HOST_BRIDGE, GGC, 1 << 0); |
| 9 | pci_or_config16(HOST_BRIDGE, PAVPC, 1 << 2); |
| 10 | pci_or_config32(HOST_BRIDGE, DPR, 1 << 0); |
| 11 | pci_or_config32(HOST_BRIDGE, MESEG_MASK, MELCK); |
| 12 | pci_or_config32(HOST_BRIDGE, REMAPBASE, 1 << 0); |
| 13 | pci_or_config32(HOST_BRIDGE, REMAPLIMIT, 1 << 0); |
| 14 | pci_or_config32(HOST_BRIDGE, TOM, 1 << 0); |
| 15 | pci_or_config32(HOST_BRIDGE, TOUUD, 1 << 0); |
| 16 | pci_or_config32(HOST_BRIDGE, BDSM, 1 << 0); |
| 17 | pci_or_config32(HOST_BRIDGE, BGSM, 1 << 0); |
| 18 | pci_or_config32(HOST_BRIDGE, TSEGMB, 1 << 0); |
| 19 | pci_or_config32(HOST_BRIDGE, TOLUD, 1 << 0); |
Stefan Reinauer | 00636b0 | 2012-04-04 00:08:51 +0200 | [diff] [blame] | 20 | |
Angel Pons | 66780a0 | 2021-03-26 13:33:22 +0100 | [diff] [blame] | 21 | mchbar_setbits32(PAVP_MSG, 1 << 0); /* PAVP */ |
| 22 | mchbar_setbits32(SAPMCTL, 1 << 31); /* SA PM */ |
| 23 | mchbar_setbits32(UMAGFXCTL, 1 << 0); /* UMA GFX */ |
| 24 | mchbar_setbits32(VTDTRKLCK, 1 << 0); /* VTDTRK */ |
| 25 | mchbar_setbits32(REQLIM, 1 << 31); |
| 26 | mchbar_setbits32(DMIVCLIM, 1 << 31); |
| 27 | mchbar_setbits32(CRDTLCK, 1 << 0); |
Stefan Reinauer | 00636b0 | 2012-04-04 00:08:51 +0200 | [diff] [blame] | 28 | |
| 29 | /* Memory Controller Lockdown */ |
Angel Pons | 66780a0 | 2021-03-26 13:33:22 +0100 | [diff] [blame] | 30 | mchbar_write8(MC_LOCK, 0x8f); |
Stefan Reinauer | 00636b0 | 2012-04-04 00:08:51 +0200 | [diff] [blame] | 31 | |
| 32 | /* Read+write the following */ |
Angel Pons | 66780a0 | 2021-03-26 13:33:22 +0100 | [diff] [blame] | 33 | mchbar_setbits32(VDMBDFBARKVM, 0); |
| 34 | mchbar_setbits32(VDMBDFBARPAVP, 0); |
| 35 | mchbar_setbits32(HDAUDRID, 0); |
Stefan Reinauer | 00636b0 | 2012-04-04 00:08:51 +0200 | [diff] [blame] | 36 | } |