diff options
Diffstat (limited to 'src/mainboard/amd/union_station')
| -rw-r--r-- | src/mainboard/amd/union_station/dsdt.asl | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/src/mainboard/amd/union_station/dsdt.asl b/src/mainboard/amd/union_station/dsdt.asl index da6f266677..1d2435c0b6 100644 --- a/src/mainboard/amd/union_station/dsdt.asl +++ b/src/mainboard/amd/union_station/dsdt.asl @@ -1478,6 +1478,22 @@ DefinitionBlock ( } /* end Ac97modem */ Name(CRES, ResourceTemplate() { + /* Set the Bus number and Secondary Bus number for the PCI0 device + * The Secondary bus range for PCI0 lets the system + * know what bus values are allowed on the downstream + * side of this PCI bus if there is a PCI-PCI bridge. + * PCI busses can have 256 secondary busses which + * range from [0-0xFF] but they do not need to be + * sequential. + */ + WordBusNumber (ResourceProducer, MinFixed, MaxFixed, PosDecode, + 0x0000, /* address granularity */ + 0x0000, /* range minimum */ + 0x00FF, /* range maximum */ + 0x0000, /* translation */ + 0x0100, /* length */ + ,, PSB0) /* ResourceSourceIndex, ResourceSource, DescriptorName */ + IO(Decode16, 0x0CF8, 0x0CF8, 1, 8) WORDIO(ResourceProducer, MinFixed, MaxFixed, PosDecode, EntireRange, |