[S] Change in coreboot[master]: aopen/dxplplusu: Drop ACPI C-states support

[Kyösti Mälkki (Code Review)]

Kyösti Mälkki has uploaded this change for review. ( https://review.coreboot.org/c/coreboot/+/74439 )

Change subject: aopen/dxplplusu: Drop ACPI C-states support
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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 
---
M src/southbridge/intel/i82801dx/fadt.c
1 file changed, 17 insertions(+), 6 deletions(-)

git pull ssh://review.coreboot.org:29418/coreboot refs/changes/39/74439/1

diff --git a/src/southbridge/intel/i82801dx/fadt.c b/src/southbridge/intel/i82801dx/fadt.c
index fdb7fb3..5b01948 100644
--- a/src/southbridge/intel/i82801dx/fadt.c
+++ b/src/southbridge/intel/i82801dx/fadt.c
@@ -25,16 +25,12 @@
    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;