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aopen/dxplplusu: Drop ACPI C-states support 

C0 clock throttling was disabled, no need to add _PTC.
C2/C3 latency values were copy-paste from different CPUs.

TBD: Check IO-trap

Change-Id: Ia0e35e28f0df8b0f8fc58f70c7d792487ee4f7f3
Signed-off-by: Kyösti Mälkki <kyosti.malkki@gmail.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/74439
Reviewed-by: Arthur Heymans <arthur@aheymans.xyz>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Paul Menzel <paulepanter@mailbox.org>
This commit is contained in:
Kyösti Mälkki 2023-04-14 12:24:59 +03:00
parent 9ff9797ad7
commit 79b8649583
1 changed files with 2 additions and 6 deletions
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8
src/southbridge/intel/i82801dx/fadt.c
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@ -25,16 +25,12 @@ void acpi_fill_fadt(acpi_fadt_t *fadt)
fadt->pm1_cnt_len = 2;
fadt->pm_tmr_len = 4;
fadt->gpe0_blk_len = 8;
fadt->p_lvl2_lat = 1;
fadt->p_lvl3_lat = 85;
fadt->duty_offset = 1;
fadt->duty_width = 0;
fadt->day_alrm = 0xd;
fadt->mon_alrm = 0x00;
fadt->iapc_boot_arch = ACPI_FADT_LEGACY_DEVICES | ACPI_FADT_8042;
fadt->flags |= ACPI_FADT_WBINVD | ACPI_FADT_C1_SUPPORTED |
ACPI_FADT_C2_MP_SUPPORTED | ACPI_FADT_SLEEP_BUTTON |
fadt->flags |= ACPI_FADT_WBINVD | ACPI_FADT_C1_SUPPORTED | ACPI_FADT_SLEEP_BUTTON |
ACPI_FADT_S4_RTC_WAKE | ACPI_FADT_PLATFORM_CLOCK;
fadt->x_pm1a_evt_blk.space_id = ACPI_ADDRESS_SPACE_IO;