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-rw-r--r--src/soc/intel/elkhartlake/acpi.c7
1 files changed, 6 insertions, 1 deletions
diff --git a/src/soc/intel/elkhartlake/acpi.c b/src/soc/intel/elkhartlake/acpi.c
index 0006b5fb2e..a0c966e89e 100644
--- a/src/soc/intel/elkhartlake/acpi.c
+++ b/src/soc/intel/elkhartlake/acpi.c
@@ -156,9 +156,14 @@ void soc_fill_fadt(acpi_fadt_t *fadt)
fadt->x_pm_tmr_blk.space_id = ACPI_ADDRESS_SPACE_IO;
fadt->x_pm_tmr_blk.bit_width = fadt->pm_tmr_len * 8;
fadt->x_pm_tmr_blk.bit_offset = 0;
- fadt->x_pm_tmr_blk.access_size = ACPI_ACCESS_SIZE_UNDEFINED;
+ fadt->x_pm_tmr_blk.access_size = ACPI_ACCESS_SIZE_DWORD_ACCESS;
fadt->x_pm_tmr_blk.addrl = pmbase + PM1_TMR;
fadt->x_pm_tmr_blk.addrh = 0x0;
+ fadt->preferred_pm_profile = PM_MOBILE;
+ fadt->p_lvl2_lat = ACPI_FADT_C2_NOT_SUPPORTED;
+ fadt->p_lvl3_lat = ACPI_FADT_C3_NOT_SUPPORTED;
+ fadt->duty_width = 0x3; /* CLK_VAL bits 3:1 */
+ fadt->century = 0x32;
if (config->s0ix_enable)
fadt->flags |= ACPI_FADT_LOW_PWR_IDLE_S0;