Marc Jones has uploaded this change for review. ( https://review.coreboot.org/28121
Change subject: Fix PCI ACPI _OSC methods ......................................................................
Fix PCI ACPI _OSC methods
Fix the IASL build warnings: Object is not referenced (Name [CDW2] is within a method [_OSC]) Object is not referenced (Name [CDW3] is within a method [_OSC])
Remove the not referenced objects. They are not needed.
BUG=b:112476331 TEST=IASL doesn't give the warning.
Change-Id: I5b38d4de3f9875c5b013a49eb5146bf5916b96a6 Signed-off-by: Marc Jones marcj303@gmail.com --- M src/northbridge/intel/i945/acpi/i945.asl M src/soc/amd/stoneyridge/acpi/sb_pci0_fch.asl M src/southbridge/amd/agesa/hudson/acpi/fch.asl M src/southbridge/amd/cimx/sb800/acpi/fch.asl M src/southbridge/amd/pi/hudson/acpi/fch.asl 5 files changed, 5 insertions(+), 25 deletions(-)
git pull ssh://review.coreboot.org:29418/coreboot refs/changes/21/28121/1
diff --git a/src/northbridge/intel/i945/acpi/i945.asl b/src/northbridge/intel/i945/acpi/i945.asl index 5a93238..79fb371 100644 --- a/src/northbridge/intel/i945/acpi/i945.asl +++ b/src/northbridge/intel/i945/acpi/i945.asl @@ -20,17 +20,13 @@ /* Operating System Capabilities Method */ Method (_OSC, 4) { - // Create DWord-addressable fields from the Capabilities Buffer - CreateDWordField(Arg3, 0, CDW1) - CreateDWordField(Arg3, 4, CDW2) - CreateDWordField(Arg3, 8, CDW3) - /* Check for proper PCI/PCIe UUID */ If (LEqual(Arg0, ToUUID("33DB4D5B-1FF7-401C-9657-7441C03DD766"))) { /* Let OS control everything */ Return(Arg3) } Else { + CreateDWordField(Arg3, 0, CDW1) Or(CDW1, 4, CDW1) // Unrecognized UUID, so set bit 2 to 1 Return(Arg3) } diff --git a/src/soc/amd/stoneyridge/acpi/sb_pci0_fch.asl b/src/soc/amd/stoneyridge/acpi/sb_pci0_fch.asl index 2855b23..cdda503 100644 --- a/src/soc/amd/stoneyridge/acpi/sb_pci0_fch.asl +++ b/src/soc/amd/stoneyridge/acpi/sb_pci0_fch.asl @@ -22,17 +22,13 @@ /* Operating System Capabilities Method */ Method(_OSC,4) { - // Create DWord-addressable fields from the Capabilities Buffer - CreateDWordField(Arg3,0,CDW1) - CreateDWordField(Arg3,4,CDW2) - CreateDWordField(Arg3,8,CDW3) - /* Check for proper PCI/PCIe UUID */ If(LEqual(Arg0,ToUUID("33DB4D5B-1FF7-401C-9657-7441C03DD766"))) { /* Let OS control everything */ Return (Arg3) } Else { + CreateDWordField(Arg3,0,CDW1) Or(CDW1,4,CDW1) // Unrecognized UUID Return(Arg3) } diff --git a/src/southbridge/amd/agesa/hudson/acpi/fch.asl b/src/southbridge/amd/agesa/hudson/acpi/fch.asl index efd6a93..2bbaa25 100644 --- a/src/southbridge/amd/agesa/hudson/acpi/fch.asl +++ b/src/southbridge/amd/agesa/hudson/acpi/fch.asl @@ -20,17 +20,13 @@ /* Operating System Capabilities Method */ Method(_OSC,4) { - // Create DWord-addressable fields from the Capabilities Buffer - CreateDWordField(Arg3,0,CDW1) - CreateDWordField(Arg3,4,CDW2) - CreateDWordField(Arg3,8,CDW3) - /* Check for proper PCI/PCIe UUID */ If(LEqual(Arg0,ToUUID("33DB4D5B-1FF7-401C-9657-7441C03DD766"))) { /* Let OS control everything */ Return (Arg3) } Else { + CreateDWordField(Arg3,0,CDW1) Or(CDW1,4,CDW1) // Unrecognized UUID Return(Arg3) } diff --git a/src/southbridge/amd/cimx/sb800/acpi/fch.asl b/src/southbridge/amd/cimx/sb800/acpi/fch.asl index 6f0826f..2dc3438 100644 --- a/src/southbridge/amd/cimx/sb800/acpi/fch.asl +++ b/src/southbridge/amd/cimx/sb800/acpi/fch.asl @@ -19,17 +19,13 @@ /* Operating System Capabilities Method */ Method(_OSC,4) { - // Create DWord-addressable fields from the Capabilities Buffer - CreateDWordField(Arg3,0,CDW1) - CreateDWordField(Arg3,4,CDW2) - CreateDWordField(Arg3,8,CDW3) - /* Check for proper PCI/PCIe UUID */ If(LEqual(Arg0,ToUUID("33DB4D5B-1FF7-401C-9657-7441C03DD766"))) { /* Let OS control everything */ Return (Arg3) } Else { + CreateDWordField(Arg3,0,CDW1) Or(CDW1,4,CDW1) // Unrecognized UUID Return(Arg3) } diff --git a/src/southbridge/amd/pi/hudson/acpi/fch.asl b/src/southbridge/amd/pi/hudson/acpi/fch.asl index 2586dd4..b33a440 100644 --- a/src/southbridge/amd/pi/hudson/acpi/fch.asl +++ b/src/southbridge/amd/pi/hudson/acpi/fch.asl @@ -20,17 +20,13 @@ /* Operating System Capabilities Method */ Method(_OSC,4) { - // Create DWord-addressable fields from the Capabilities Buffer - CreateDWordField(Arg3,0,CDW1) - CreateDWordField(Arg3,4,CDW2) - CreateDWordField(Arg3,8,CDW3) - /* Check for proper PCI/PCIe UUID */ If(LEqual(Arg0,ToUUID("33DB4D5B-1FF7-401C-9657-7441C03DD766"))) { /* Let OS control everything */ Return (Arg3) } Else { + CreateDWordField(Arg3,0,CDW1) Or(CDW1,4,CDW1) // Unrecognized UUID Return(Arg3) }