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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>
This commit is contained in:
Raul E Rangel 2020-08-12 12:13:35 -06:00 committed by Felix Held
parent 847378609c
commit 041fcf5902
1 changed files with 3 additions and 3 deletions
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6
src/soc/amd/picasso/acpi.c
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@ -112,9 +112,9 @@ void acpi_fill_fadt(acpi_fadt_t *fadt)
fadt->p_lvl3_lat = ACPI_FADT_C3_NOT_SUPPORTED; fadt->p_lvl3_lat = ACPI_FADT_C3_NOT_SUPPORTED;
fadt->duty_offset = 1; /* CLK_VAL bits 3:1 */ fadt->duty_offset = 1; /* CLK_VAL bits 3:1 */
fadt->duty_width = 3; /* CLK_VAL bits 3:1 */ fadt->duty_width = 3; /* CLK_VAL bits 3:1 */
fadt->day_alrm = 0; /* 0x7d these have to be */ fadt->day_alrm = 0x0d;
fadt->mon_alrm = 0; /* 0x7e added to cmos.layout */ fadt->mon_alrm = 0;
fadt->century = 0; /* 0x7f to make rtc alarm work */ fadt->century = 0x32;
fadt->iapc_boot_arch = ACPI_FADT_LEGACY_DEVICES | ACPI_FADT_8042; fadt->iapc_boot_arch = ACPI_FADT_LEGACY_DEVICES | ACPI_FADT_8042;
fadt->res2 = 0; /* reserved, MUST be 0 ACPI 3.0 */ fadt->res2 = 0; /* reserved, MUST be 0 ACPI 3.0 */
fadt->flags |= ACPI_FADT_WBINVD | /* See table 5-10 ACPI 3.0a spec */ fadt->flags |= ACPI_FADT_WBINVD | /* See table 5-10 ACPI 3.0a spec */