diff options
| author | Arthur Heymans <arthur@aheymans.xyz> | 2022-05-11 22:00:59 +0200 |
|---|---|---|
| committer | Arthur Heymans <arthur@aheymans.xyz> | 2022-05-13 10:57:03 +0000 |
| commit | 0cc56a2848e9558bcc63c5b68924ad46f4339804 (patch) | |
| tree | 6d511ec58e72f898aaa5343047706f3c7ee11ddb /src/northbridge | |
| parent | 022d235a1e2f118814fc0f21ef6689c6eb958dbe (diff) | |
nb/intel/gm45/dsdt: Fix number of PCI busses
Linux complained that the numbers in DSDT (256) don't match with the
values in MMCONF (64).
Change-Id: I2ccac64934e8d284e68945f86ec46cb2bf896277
Signed-off-by: Arthur Heymans <arthur@aheymans.xyz>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/64260
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Nico Huber <nico.h@gmx.de>
Diffstat (limited to 'src/northbridge')
| -rw-r--r-- | src/northbridge/intel/gm45/acpi/hostbridge.asl | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/src/northbridge/intel/gm45/acpi/hostbridge.asl b/src/northbridge/intel/gm45/acpi/hostbridge.asl index ff86b3fca8..7c8600341a 100644 --- a/src/northbridge/intel/gm45/acpi/hostbridge.asl +++ b/src/northbridge/intel/gm45/acpi/hostbridge.asl @@ -83,9 +83,10 @@ Device (MCHC) Name (MCRS, ResourceTemplate() { - /* Bus Numbers */ + /* Bus Numbers. Highest bus gets updated later */ WordBusNumber (ResourceProducer, MinFixed, MaxFixed, PosDecode, - 0x0000, 0x0000, 0x00ff, 0x0000, 0x0100,,, PB00) + 0x0000, 0x0000, 0x0000, 0x0000, + CONFIG_ECAM_MMCONF_BUS_NUMBER,,, PB00) /* IO Region 0 */ DWordIO (ResourceProducer, MinFixed, MaxFixed, PosDecode, EntireRange, @@ -207,6 +208,11 @@ External (A4GB, IntObj) /* Current Resource Settings */ Method (_CRS, 0, Serialized) { + /* Set highest PCI bus */ + CreateWordField(MCRS, ^PB00._MAX, BMAX) + CreateWordField(MCRS, ^PB00._LEN, BLEN) + BMAX = BLEN - 1 + /* Find PCI resource area in MCRS */ CreateDwordField(MCRS, ^PM01._MIN, PMIN) CreateDwordField(MCRS, ^PM01._MAX, PMAX) |