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Diffstat (limited to 'src/mainboard/intel/eagleheights/dsdt.asl')
-rw-r--r--src/mainboard/intel/eagleheights/dsdt.asl10
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)
{