diff options
Diffstat (limited to 'src/mainboard/intel/eagleheights/dsdt.asl')
| -rw-r--r-- | src/mainboard/intel/eagleheights/dsdt.asl | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/src/mainboard/intel/eagleheights/dsdt.asl b/src/mainboard/intel/eagleheights/dsdt.asl index 6ad320ba03..4c98e54637 100644 --- a/src/mainboard/intel/eagleheights/dsdt.asl +++ b/src/mainboard/intel/eagleheights/dsdt.asl @@ -173,12 +173,19 @@ DefinitionBlock ("DSDT", "DSDT", 1, "EAGLE", "COREBOOT", 0x0000001) Method (_OSC, 4) { - /* Check for proper GUID */ + /* Check for PCI/PCI-X/PCIe GUID */ If (LEqual (Arg0, ToUUID("33DB4D5B-1FF7-401C-9657-7441C03DD766"))) { /* Let OS control everything */ Return (Arg3) } + Else + { + /* Unrecognized UUID, so set bit 2 of Arg3 to 1 */ + CreateDWordField (Arg3, 0, CDW1) + Or (CDW1, 4, CDW1) + Return (Arg3) + } } /* End _OSC */ Method (_PRT, 0, NotSerialized) @@ -401,6 +408,7 @@ DefinitionBlock ("DSDT", "DSDT", 1, "EAGLE", "COREBOOT", 0x0000001) /* COM ports of SIO */ Device(SIO) { + Name (_ADR, 0x4E) OperationRegion (PT4E, SystemIO, 0x4E, 0x02) Field (PT4E, ByteAcc, NoLock, Preserve) { |