From 041fcf59025bb1801828441e09b2f56b48e12fdc Mon Sep 17 00:00:00 2001 From: Raul E Rangel Date: Wed, 12 Aug 2020 12:13:35 -0600 Subject: [PATCH] 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 Change-Id: Ie83d7e0a06107a6de095f3e4c521d91e90920c0b Reviewed-on: https://review.coreboot.org/c/coreboot/+/44448 Tested-by: build bot (Jenkins) Reviewed-by: Aaron Durbin Reviewed-by: Furquan Shaikh --- src/soc/amd/picasso/acpi.c | 6 +++--- 1 file 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 */