From 1897c2c3508f3d5e2d020c6e56f16611c8cfad4a Mon Sep 17 00:00:00 2001 From: zbao Date: Thu, 5 Nov 2015 20:25:59 +0800 Subject: AMD Bettong: Enable S4 feature for Windows 7 PMIOxEE is for setting USB3 power rail. Set it to S0, otherwise going into hibernation can not be wake up. Change-Id: I692497bad24d745738d670897e725a568c1db114 Signed-off-by: Zheng Bao Signed-off-by: Zheng Bao Reviewed-on: http://review.coreboot.org/11373 Reviewed-by: Patrick Georgi Tested-by: build bot (Jenkins) --- src/arch/x86/acpi.c | 6 ++++++ src/arch/x86/include/arch/acpi.h | 2 ++ 2 files changed, 8 insertions(+) (limited to 'src/arch') diff --git a/src/arch/x86/acpi.c b/src/arch/x86/acpi.c index 55995c9542..c540b5ce4c 100644 --- a/src/arch/x86/acpi.c +++ b/src/arch/x86/acpi.c @@ -1005,6 +1005,12 @@ int acpi_is_wakeup_s3(void) return (acpi_slp_type == 3); } +int acpi_is_wakeup_s4(void) +{ + acpi_handoff_wakeup(); + return (acpi_slp_type == 4); +} + void acpi_fail_wakeup(void) { if (acpi_slp_type == 3 || acpi_slp_type == 2) diff --git a/src/arch/x86/include/arch/acpi.h b/src/arch/x86/include/arch/acpi.h index 66e11006dc..87810b6b44 100644 --- a/src/arch/x86/include/arch/acpi.h +++ b/src/arch/x86/include/arch/acpi.h @@ -596,12 +596,14 @@ static inline int acpi_is_wakeup_s3(void) #else int acpi_is_wakeup(void); int acpi_is_wakeup_s3(void); +int acpi_is_wakeup_s4(void); #endif #else #define acpi_slp_type 0 static inline int acpi_is_wakeup(void) { return 0; } static inline int acpi_is_wakeup_s3(void) { return 0; } +static inline int acpi_is_wakeup_s4(void) { return 0; } #endif #endif /* __ASM_ACPI_H */ -- cgit v1.2.3