diff options
| author | Sean Rhodes <sean@starlabs.systems> | 2022-07-29 14:21:28 +0100 |
|---|---|---|
| committer | Sean Rhodes <sean@starlabs.systems> | 2022-12-22 21:17:57 +0000 |
| commit | 823a329bb8e118657989abaf0eb40e205a1c906a (patch) | |
| tree | 19fdbca499820a3e79f359ea2f42544b729722c5 /src/soc/intel/apollolake | |
| parent | a17864c2c9b81439316a91997773f577987c1dac (diff) | |
soc/intel/apollolake/acpi: Remove STOM from ACPI
This should only contain resources that the PCI domain uses. Stolen
memory prevents the PCI domain from allocating anything where it is.
Signed-off-by: Sean Rhodes <sean@starlabs.systems>
Change-Id: I1562396f0b747a81bbc584314956809bd3865ff9
Reviewed-on: https://review.coreboot.org/c/coreboot/+/66267
Reviewed-by: Angel Pons <th3fanbus@gmail.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Diffstat (limited to 'src/soc/intel/apollolake')
| -rw-r--r-- | src/soc/intel/apollolake/acpi/northbridge.asl | 22 |
1 files changed, 0 insertions, 22 deletions
diff --git a/src/soc/intel/apollolake/acpi/northbridge.asl b/src/soc/intel/apollolake/acpi/northbridge.asl index deda3b9771..1b47509094 100644 --- a/src/soc/intel/apollolake/acpi/northbridge.asl +++ b/src/soc/intel/apollolake/acpi/northbridge.asl @@ -17,9 +17,6 @@ Device (MCHC) , 25, PXBR, 11, /* PCI Express Base Address */ - Offset(0xB4), - BGSM, 32, /* Base of Graphics Stolen Memory */ - Offset (0xbc), /* TOLUD (0:0:0:bc) */ , 20, TLUD, 12, /* Top of Lower Usable DRAM */ @@ -59,12 +56,6 @@ Method (_CRS, 0, Serialized) 0x00000000, 0x000a0000, 0x000bffff, 0x00000000, 0x00020000,,,) - /* Data and GFX stolen memory */ - DWordMemory (ResourceProducer, PosDecode, MinFixed, MaxFixed, - Cacheable, ReadWrite, - 0x00000000, 0x3be00000, 0x3fffffff, 0x00000000, - 0x04200000,,, STOM) - /* * PCI MMIO Region (TOLUD - PCI extended base MMCONF) * This assumes that MMCONF is placed after PCI config space, @@ -99,19 +90,6 @@ Method (_CRS, 0, Serialized) /* Calculate PCI MMIO Length */ PLEN = PMAX - PMIN + 1 - /* Find GFX resource area in GCRS */ - CreateDwordField(MCRS, STOM._MIN, GMIN) - CreateDwordField(MCRS, STOM._MAX, GMAX) - CreateDwordField(MCRS, STOM._LEN, GLEN) - - /* Read BGSM */ - GMIN = \_SB.PCI0.MCHC.BGSM & 0xFFF00000 - - /* Read TOLUD */ - GMAX = ^MCHC.TLUD << 20 - GMAX-- - GLEN = GMAX - GMIN + 1 - /* Patch PM02 range based on Memory Size */ If (A4GS == 0) { CreateQwordField (MCRS, PM02._LEN, MSEN) |