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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>
This commit is contained in:
Edward O'Callaghan 2014-09-12 03:53:43 +10:00
parent 2fc3b6281f
commit 3a677dbd86
2 changed files with 5 additions and 0 deletions
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4
src/mainboard/lenovo/t530/acpi/platform.asl
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@ -68,6 +68,10 @@ Method(_PTS,1)
Method(_WAK,1) Method(_WAK,1)
{ {
/* ME may not be up yet. */
Store (0, \_TZ.MEB1)
Store (0, \_TZ.MEB2)
/* Not implemented. */ /* Not implemented. */
Return(Package(){0,0}) Return(Package(){0,0})
} }

1
src/mainboard/lenovo/t530/dsdt.asl
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@ -24,6 +24,7 @@
#define BRIGHTNESS_DOWN \_SB.PCI0.GFX0.LCD0.DECB #define BRIGHTNESS_DOWN \_SB.PCI0.GFX0.LCD0.DECB
#define ACPI_VIDEO_DEVICE \_SB.PCI0.GFX0 #define ACPI_VIDEO_DEVICE \_SB.PCI0.GFX0
#define RP03_IS_EXPRESSCARD 1 #define RP03_IS_EXPRESSCARD 1
#define EC_LENOVO_H8_ME_WORKAROUND 1
#define HAVE_LCD_SCREEN 1 #define HAVE_LCD_SCREEN 1
DefinitionBlock( DefinitionBlock(