Akshu Agrawal has uploaded this change for review. ( https://review.coreboot.org/25263
Change subject: mb/google/kahlee: Adds register address mapping for FCH MISC ......................................................................
mb/google/kahlee: Adds register address mapping for FCH MISC
Audio machine driver will enable/disable clock by making it as a CCF clock in kernel.
BUG=b:74570989 TEST=aplay -vv <file> check register to see clock enabled kill aplay check register to see clock disabled
Change-Id: Ia553e55ffb358415067000d2d2d2744322d1c4db Signed-off-by: Akshu Agrawal akshu.agrawal@amd.com --- M src/mainboard/google/kahlee/variants/baseboard/include/baseboard/acpi/audio.asl 1 file changed, 10 insertions(+), 0 deletions(-)
git pull ssh://review.coreboot.org:29418/coreboot refs/changes/63/25263/1
diff --git a/src/mainboard/google/kahlee/variants/baseboard/include/baseboard/acpi/audio.asl b/src/mainboard/google/kahlee/variants/baseboard/include/baseboard/acpi/audio.asl index ea58f89..2cd58e9 100644 --- a/src/mainboard/google/kahlee/variants/baseboard/include/baseboard/acpi/audio.asl +++ b/src/mainboard/google/kahlee/variants/baseboard/include/baseboard/acpi/audio.asl @@ -20,4 +20,14 @@ Name (_ADR, 1) Name (_HID, "AMD7219") Name (_CID, "AMD7219") + + Method (_CRS, 0x0, NotSerialized) { + Name (RBUF, ResourceTemplate () { + // Memory resource is for MISC FCH register set. + // It is needed for enabling of clock. + Memory32Fixed(ReadWrite, 0xFED80E00, 0xFF) + }) + + Return (RBUF) + } }