diff options
| -rw-r--r-- | src/mainboard/amd/persimmon/dsdt.asl | 14 |
1 files changed, 13 insertions, 1 deletions
diff --git a/src/mainboard/amd/persimmon/dsdt.asl b/src/mainboard/amd/persimmon/dsdt.asl index 148d7b074b..dff59170de 100644 --- a/src/mainboard/amd/persimmon/dsdt.asl +++ b/src/mainboard/amd/persimmon/dsdt.asl @@ -1157,8 +1157,20 @@ DefinitionBlock ( Device(PCI0) { External (TOM1) External (TOM2) - Name(_HID, EISAID("PNP0A03")) + Name(_HID, EISAID("PNP0A08")) /* PCI Express Root Bridge */ + Name(_CID, EISAID("PNP0A03")) /* PCI Root Bridge */ Name(_ADR, 0x00180000) /* Dev# = BSP Dev#, Func# = 0 */ + + /* Operating System Capabilities Method */ + Method(_OSC,4) + { /* Check for proper PCI/PCIe UUID */ + If(LEqual(Arg0,ToUUID("33DB4D5B-1FF7-401C-9657-7441C03DD766"))) + { + /* Let OS control everything */ + Return (Arg3) + } + } + Method(_BBN, 0) { /* Bus number = 0 */ Return(0) } |