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authorRaul E Rangel <rrangel@chromium.org>2020-08-12 12:13:35 -0600
committerFelix Held <felix-coreboot@felixheld.de>2020-08-14 15:16:47 +0000
commit041fcf59025bb1801828441e09b2f56b48e12fdc (patch)
tree2d8f42b2ef1258c8224a0b892c24537326af7e83
parent847378609c922c7be49184aa88d7f1163acbae81 (diff)
downloadcoreboot-041fcf59025bb1801828441e09b2f56b48e12fdc.tar.xz
soc/amd/picasso/acpi: Set missing RTC offsets
The RTC Date Alarm and RTC AltCentury fields are supported on picasso. These get consumed by the linux kernel: https://source.chromium.org/chromiumos/chromiumos/codesearch/+/master:src/third_party/kernel/v5.4/drivers/rtc/rtc-cmos.c;l=1243 BUG=b:160277722 TEST=Boot kernel and make sure suspend stress test works. Signed-off-by: Raul E Rangel <rrangel@chromium.org> Change-Id: Ie83d7e0a06107a6de095f3e4c521d91e90920c0b Reviewed-on: https://review.coreboot.org/c/coreboot/+/44448 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Aaron Durbin <adurbin@chromium.org> Reviewed-by: Furquan Shaikh <furquan@google.com>
-rw-r--r--src/soc/amd/picasso/acpi.c6
1 files changed, 3 insertions, 3 deletions
diff --git a/src/soc/amd/picasso/acpi.c b/src/soc/amd/picasso/acpi.c
index 8062cfa098..da6bc9497d 100644
--- a/src/soc/amd/picasso/acpi.c
+++ b/src/soc/amd/picasso/acpi.c
@@ -112,9 +112,9 @@ void acpi_fill_fadt(acpi_fadt_t *fadt)
fadt->p_lvl3_lat = ACPI_FADT_C3_NOT_SUPPORTED;
fadt->duty_offset = 1; /* CLK_VAL bits 3:1 */
fadt->duty_width = 3; /* CLK_VAL bits 3:1 */
- fadt->day_alrm = 0; /* 0x7d these have to be */
- fadt->mon_alrm = 0; /* 0x7e added to cmos.layout */
- fadt->century = 0; /* 0x7f to make rtc alarm work */
+ fadt->day_alrm = 0x0d;
+ fadt->mon_alrm = 0;
+ fadt->century = 0x32;
fadt->iapc_boot_arch = ACPI_FADT_LEGACY_DEVICES | ACPI_FADT_8042;
fadt->res2 = 0; /* reserved, MUST be 0 ACPI 3.0 */
fadt->flags |= ACPI_FADT_WBINVD | /* See table 5-10 ACPI 3.0a spec */