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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>
This commit is contained in:
Arthur Heymans 2022-05-11 22:00:59 +02:00
parent 022d235a1e
commit 0cc56a2848
1 changed files with 8 additions and 2 deletions
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10
src/northbridge/intel/gm45/acpi/hostbridge.asl
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@ -83,9 +83,10 @@ Device (MCHC)
Name (MCRS, ResourceTemplate() Name (MCRS, ResourceTemplate()
{ {
/* Bus Numbers */ /* Bus Numbers. Highest bus gets updated later */
WordBusNumber (ResourceProducer, MinFixed, MaxFixed, PosDecode, WordBusNumber (ResourceProducer, MinFixed, MaxFixed, PosDecode,
0x0000, 0x0000, 0x00ff, 0x0000, 0x0100,,, PB00) 0x0000, 0x0000, 0x0000, 0x0000,
CONFIG_ECAM_MMCONF_BUS_NUMBER,,, PB00)
/* IO Region 0 */ /* IO Region 0 */
DWordIO (ResourceProducer, MinFixed, MaxFixed, PosDecode, EntireRange, DWordIO (ResourceProducer, MinFixed, MaxFixed, PosDecode, EntireRange,
@ -207,6 +208,11 @@ External (A4GB, IntObj)
/* Current Resource Settings */ /* Current Resource Settings */
Method (_CRS, 0, Serialized) 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 */ /* Find PCI resource area in MCRS */
CreateDwordField(MCRS, ^PM01._MIN, PMIN) CreateDwordField(MCRS, ^PM01._MIN, PMIN)
CreateDwordField(MCRS, ^PM01._MAX, PMAX) CreateDwordField(MCRS, ^PM01._MAX, PMAX)