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authorKyösti Mälkki <kyosti.malkki@gmail.com>2023-04-14 10:20:03 +0300
committerKyösti Mälkki <kyosti.malkki@gmail.com>2023-04-21 09:38:26 +0000
commit67c48a36776695b956ea49eb308c1025e430b475 (patch)
tree47dbf975b060fec1656166fbbc08a97122c8ed72 /src/soc/amd/stoneyridge/acpi.c
parent88fefd4feb61d20945a1be4a792f8236db1bb2d0 (diff)
ACPI: Obsolete FADT p_lvl2_lat and p_lvl3_lat fields
After the obsoletion of Processor() it is necessary to provide _CST package to define P_LVLx IO addresses for C2/C3 transitions. The latency values from _CST will always replace those in FADT. Change-Id: I3230be719659fe9cdf9ed6ae73bc91b05093ab97 Signed-off-by: Kyösti Mälkki <kyosti.malkki@gmail.com> Reviewed-on: https://review.coreboot.org/c/coreboot/+/74430 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Felix Held <felix-coreboot@felixheld.de>
Diffstat (limited to 'src/soc/amd/stoneyridge/acpi.c')
-rw-r--r--src/soc/amd/stoneyridge/acpi.c4
1 files changed, 0 insertions, 4 deletions
diff --git a/src/soc/amd/stoneyridge/acpi.c b/src/soc/amd/stoneyridge/acpi.c
index 947c806197..d6dec6f54d 100644
--- a/src/soc/amd/stoneyridge/acpi.c
+++ b/src/soc/amd/stoneyridge/acpi.c
@@ -71,10 +71,6 @@ void acpi_fill_fadt(acpi_fadt_t *fadt)
fill_fadt_extended_pm_regs(fadt);
- /* p_lvl2_lat and p_lvl3_lat match what the AGESA code does, but those values are
- overridden by the _CST packages in the PSTATE SSDT. */
- fadt->p_lvl2_lat = ACPI_FADT_C2_NOT_SUPPORTED;
- 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 = RTC_DATE_ALARM;