Attention is currently required from: Nico Huber, Arthur Heymans, Patrick Rudolph.

Angel Pons would like Nico Huber, Arthur Heymans and Patrick Rudolph to review this change.

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soc/intel/broadwell/pch: Drop P_LVLx support in FADT

IO MWAIT redirection is not enabled, and C-states are reported using the
_CST ACPI object, which overrides the P_LVLx values.

Change-Id: I3f71ef99396b56dbd960c507133c06a8eae55778
Signed-off-by: Angel Pons <th3fanbus@gmail.com>
---
M src/soc/intel/broadwell/pch/fadt.c
1 file changed, 3 insertions(+), 3 deletions(-)

git pull ssh://review.coreboot.org:29418/coreboot refs/changes/20/55220/1

diff --git a/src/soc/intel/broadwell/pch/fadt.c b/src/soc/intel/broadwell/pch/fadt.c
index 6ba6478..52254a0 100644
--- a/src/soc/intel/broadwell/pch/fadt.c
+++ b/src/soc/intel/broadwell/pch/fadt.c
@@ -29,8 +29,9 @@
 	fadt->pm2_cnt_len = 1;
 	fadt->pm_tmr_len = 4;
 	fadt->gpe0_blk_len = 32;
-	fadt->p_lvl2_lat = 1;
-	fadt->p_lvl3_lat = 87;
+	/* P_LVLx not used */
+	fadt->p_lvl2_lat = 101;
+	fadt->p_lvl3_lat = 1001;
 	fadt->duty_offset = 1;
 	fadt->duty_width = 0;
 	fadt->day_alrm = 0xd;
@@ -40,7 +41,6 @@
 
 	fadt->flags |= ACPI_FADT_WBINVD |
 		       ACPI_FADT_C1_SUPPORTED |
-		       ACPI_FADT_C2_MP_SUPPORTED |
 		       ACPI_FADT_SLEEP_BUTTON |
 		       ACPI_FADT_SEALED_CASE |
 		       ACPI_FADT_S4_RTC_WAKE |

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