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authorEdward O'Callaghan <eocallaghan@alterapraxis.com>2014-09-12 03:53:43 +1000
committerEdward O'Callaghan <eocallaghan@alterapraxis.com>2014-09-12 22:00:50 +0200
commit3a677dbd86716ef27ad02daea09f249cd184f293 (patch)
treebd8c75313031a836b727329f392440959c9bf95b /src/mainboard/lenovo
parent2fc3b6281f9ac461da7dc5f916cc3e3e51e51ae6 (diff)
downloadcoreboot-3a677dbd86716ef27ad02daea09f249cd184f293.tar.xz
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> Reviewed-on: http://review.coreboot.org/6876 Tested-by: build bot (Jenkins) Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net> Reviewed-by: Vladimir Serbinenko <phcoder@gmail.com>
Diffstat (limited to 'src/mainboard/lenovo')
-rw-r--r--src/mainboard/lenovo/t530/acpi/platform.asl4
-rw-r--r--src/mainboard/lenovo/t530/dsdt.asl1
2 files changed, 5 insertions, 0 deletions
diff --git a/src/mainboard/lenovo/t530/acpi/platform.asl b/src/mainboard/lenovo/t530/acpi/platform.asl
index 5466bedc44..72b9dbfa44 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 0e7a965d47..c73f795074 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(