Edward O'Callaghan (eocallaghan@alterapraxis.com) just uploaded a new patch set to gerrit, which you can find at http://review.coreboot.org/6876
-gerrit
commit 174746b445baef5c347c7f32c06ac74b386e126b Author: Edward O'Callaghan eocallaghan@alterapraxis.com Date: Fri Sep 12 03:53:43 2014 +1000
lenovo/t530: Apply ME workaround for S3 resume
Upon S3 resume, the machine powers off due to the ME not being awake yet.
Change-Id: I0255dd0fa6b4cb3b539e11a69a618c770c44f4b0 Signed-off-by: Edward O'Callaghan eocallaghan@alterapraxis.com --- src/mainboard/lenovo/t530/acpi/platform.asl | 4 ++++ src/mainboard/lenovo/t530/dsdt.asl | 1 + 2 files changed, 5 insertions(+)
diff --git a/src/mainboard/lenovo/t530/acpi/platform.asl b/src/mainboard/lenovo/t530/acpi/platform.asl index 5466bed..72b9dbf 100644 --- a/src/mainboard/lenovo/t530/acpi/platform.asl +++ b/src/mainboard/lenovo/t530/acpi/platform.asl @@ -68,6 +68,10 @@ Method(_PTS,1)
Method(_WAK,1) { + /* ME may not be up yet. */ + Store (0, _TZ.MEB1) + Store (0, _TZ.MEB2) + /* Not implemented. */ Return(Package(){0,0}) } diff --git a/src/mainboard/lenovo/t530/dsdt.asl b/src/mainboard/lenovo/t530/dsdt.asl index 0e7a965..c73f795 100644 --- a/src/mainboard/lenovo/t530/dsdt.asl +++ b/src/mainboard/lenovo/t530/dsdt.asl @@ -24,6 +24,7 @@ #define BRIGHTNESS_DOWN _SB.PCI0.GFX0.LCD0.DECB #define ACPI_VIDEO_DEVICE _SB.PCI0.GFX0 #define RP03_IS_EXPRESSCARD 1 +#define EC_LENOVO_H8_ME_WORKAROUND 1 #define HAVE_LCD_SCREEN 1
DefinitionBlock(