diff options
| author | Marc Jones <marcj303@gmail.com> | 2018-08-01 12:45:03 -0600 |
|---|---|---|
| committer | Martin Roth <martinroth@google.com> | 2018-08-06 16:37:06 +0000 |
| commit | 509e5fd4c0d2da06bd7f413e01db1c094156206f (patch) | |
| tree | 4ef5ba752aeb42a670c795a45ae102085c6988da /src/soc | |
| parent | 2b26baa625baab2f60a480c4f48918425bf3bb1d (diff) | |
| download | coreboot-509e5fd4c0d2da06bd7f413e01db1c094156206f.tar.xz | |
soc/amd/stoneyridge: Call AMD ALIB method with AC/DC state
AMD ALIB Function 1 accepts the AC/DC startup state. This
is reported to be required for AMD PSPP settings.
BUG=b:112020107
TEST= build test
Change-Id: Ibb6c872d84745217912956c15d6ca2e8ba387561
Signed-off-by: Marc Jones <marcj303@gmail.com>
Reviewed-on: https://review.coreboot.org/27785
Reviewed-by: Martin Roth <martinroth@google.com>
Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Diffstat (limited to 'src/soc')
| -rw-r--r-- | src/soc/amd/stoneyridge/acpi/sb_pci0_fch.asl | 15 |
1 files changed, 14 insertions, 1 deletions
diff --git a/src/soc/amd/stoneyridge/acpi/sb_pci0_fch.asl b/src/soc/amd/stoneyridge/acpi/sb_pci0_fch.asl index 81964baa48..2855b23fab 100644 --- a/src/soc/amd/stoneyridge/acpi/sb_pci0_fch.asl +++ b/src/soc/amd/stoneyridge/acpi/sb_pci0_fch.asl @@ -14,6 +14,8 @@ * GNU General Public License for more details. */ +External(\_SB.ALIB, MethodObj) + /* System Bus */ /* _SB.PCI0 */ @@ -138,7 +140,7 @@ Method(_CRS, 0) { * 2. Get PCI Interrupt routing from ACPI VSM, this * value is based on user choice in BIOS setup. */ -Method(_INI, 0) { +Method(_INI, 0, Serialized) { /* DBGO("\\_SB\\_INI\n") */ /* DBGO(" DSDT.ASL code from ") */ /* DBGO(__DATE__) */ @@ -154,6 +156,17 @@ Method(_INI, 0) { /* Determine the OS we're running on */ OSFL() + + /* Send ALIB Function 1 the AC/DC state */ + Name(F1BF, Buffer(0x03){}) + CreateWordField(F1BF, 0, F1SZ) + CreateByteField(F1BF, 2, F1DA) + + Store(3, F1SZ) + Store(\PWRS, F1DA) + + \_SB.ALIB(1, F1BF) + } /* End Method(_SB._INI) */ Method(OSFL, 0){ |