Denis Carikli (GNUtoo@no-log.org) just uploaded a new patch set to gerrit, which you can find at http://review.coreboot.org/2938
-gerrit
commit 7fcec935efe0c93c60bcb92693dfdc7918a07b5d Author: Denis 'GNUtoo' Carikli GNUtoo@no-log.org Date: Thu Mar 28 14:24:39 2013 +0100
Lenovo X60: dsdt.asl: Add _OSC method
This commit was modelled after the following commit: 00a0e76bc5ffaba01c98f1c1384b0499516fdaef (AMD Fam14 DSDT: Add OSC method)
Tested under the parabola GNU/Linux distribution: $ dmesg | grep _OSC [ 0.107867] pci_root PNP0A08:00: Requesting ACPI _OSC control (0x1d) [ 0.107894] pci_root PNP0A08:00: ACPI _OSC control (0x1d) granted
Change-Id: I1caffa44eea447d553c01caaf431f2db241ea5ea Signed-off-by: Denis 'GNUtoo' Carikli GNUtoo@no-log.org --- src/mainboard/lenovo/x60/dsdt.asl | 10 ++++++++++ 1 file changed, 10 insertions(+)
diff --git a/src/mainboard/lenovo/x60/dsdt.asl b/src/mainboard/lenovo/x60/dsdt.asl index f32a220..ac7fbf9 100644 --- a/src/mainboard/lenovo/x60/dsdt.asl +++ b/src/mainboard/lenovo/x60/dsdt.asl @@ -45,6 +45,16 @@ DefinitionBlock( { #include <northbridge/intel/i945/acpi/i945.asl> #include <southbridge/intel/i82801gx/acpi/ich7.asl> + + /* 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) + } + } } }