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soc/amd/stoneyridge: Call AMD ALIB method with AC/DC state

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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>
This commit is contained in:
Marc Jones
2018-08-01 12:45:03 -06:00
committed by Martin Roth
parent 2b26baa625
commit 509e5fd4c0
1 changed files with 14 additions and 1 deletions
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15
src/soc/amd/stoneyridge/acpi/sb_pci0_fch.asl
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@ -14,6 +14,8 @@
* GNU General Public License for more details. * GNU General Public License for more details.
*/ */
External(\_SB.ALIB, MethodObj)
/* System Bus */ /* System Bus */
/* _SB.PCI0 */ /* _SB.PCI0 */
@ -138,7 +140,7 @@ Method(_CRS, 0) {
* 2. Get PCI Interrupt routing from ACPI VSM, this * 2. Get PCI Interrupt routing from ACPI VSM, this
* value is based on user choice in BIOS setup. * value is based on user choice in BIOS setup.
*/ */
Method(_INI, 0) { Method(_INI, 0, Serialized) {
/* DBGO("\\_SB\\_INI\n") */ /* DBGO("\\_SB\\_INI\n") */
/* DBGO(" DSDT.ASL code from ") */ /* DBGO(" DSDT.ASL code from ") */
/* DBGO(__DATE__) */ /* DBGO(__DATE__) */
@ -154,6 +156,17 @@ Method(_INI, 0) {
/* Determine the OS we're running on */ /* Determine the OS we're running on */
OSFL() 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) */ } /* End Method(_SB._INI) */
Method(OSFL, 0){ Method(OSFL, 0){