From be3979c873d23cb0543e635bba59bd85ab67fed0 Mon Sep 17 00:00:00 2001 From: Christian Walter Date: Wed, 18 Dec 2019 15:07:59 +0100 Subject: acpi: Change Processor ACPI Name (Intel only) The ACPI Spec 2.0 states, that Processor declarations should be made within the ACPI namespace \_SB and not \_PR anymore. \_PR is deprecated and is removed here for Intel CPUs only. Tested on: * X11SSH (Kabylake) * CFL Platform * Asus P8Z77-V LX2 and Windows 10 FWTS does not return FAIL anymore on ACPI tests Tested-by: Angel Pons Change-Id: Ib101ed718f90f9056d2ecbc31b13b749ed1fc438 Signed-off-by: Christian Walter Reviewed-on: https://review.coreboot.org/c/coreboot/+/37814 Tested-by: build bot (Jenkins) Reviewed-by: Nico Huber --- src/northbridge/intel/haswell/acpi/hostbridge.asl | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) (limited to 'src/northbridge/intel/haswell') diff --git a/src/northbridge/intel/haswell/acpi/hostbridge.asl b/src/northbridge/intel/haswell/acpi/hostbridge.asl index 7c33d20605..1a4f33d011 100644 --- a/src/northbridge/intel/haswell/acpi/hostbridge.asl +++ b/src/northbridge/intel/haswell/acpi/hostbridge.asl @@ -151,16 +151,16 @@ Device (MCHC) * Package (6) { freq, power, tlat, blat, control, status } * } */ - External (\_PR.CP00._PSS) + External (\_SB.CP00._PSS) Method (PSSS, 1, NotSerialized) { Store (One, Local0) /* Start at P1 */ - Store (SizeOf (\_PR.CP00._PSS), Local1) + Store (SizeOf (\_SB.CP00._PSS), Local1) While (LLess (Local0, Local1)) { /* Store _PSS entry Control value to Local2 */ ShiftRight (DeRefOf (Index (DeRefOf (Index - (\_PR.CP00._PSS, Local0)), 4)), 8, Local2) + (\_SB.CP00._PSS, Local0)), 4)), 8, Local2) If (LEqual (Local2, Arg0)) { Return (Subtract (Local0, 1)) } -- cgit v1.2.3