diff options
| author | zbao <fishbaozi@gmail.com> | 2015-11-05 20:25:59 +0800 |
|---|---|---|
| committer | Zheng Bao <zheng.bao@amd.com> | 2015-11-06 07:53:00 +0100 |
| commit | 1897c2c3508f3d5e2d020c6e56f16611c8cfad4a (patch) | |
| tree | c3c938dec8e37d0375a791bb96f38fd7aa963fad /src/arch/x86/acpi.c | |
| parent | aeb2103ab5184d46dc315f616acbf521f3aa1ab4 (diff) | |
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 <zheng.bao@amd.com>
Signed-off-by: Zheng Bao <fishbaozi@gmail.com>
Reviewed-on: http://review.coreboot.org/11373
Reviewed-by: Patrick Georgi <pgeorgi@google.com>
Tested-by: build bot (Jenkins)
Diffstat (limited to 'src/arch/x86/acpi.c')
| -rw-r--r-- | src/arch/x86/acpi.c | 6 |
1 files changed, 6 insertions, 0 deletions
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) |