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/cpu/intel/speedstep/acpi/cpu.asl | 16 ++++++++-------- 1 file changed, 8 insertions(+), 8 deletions(-) (limited to 'src/cpu/intel/speedstep/acpi') diff --git a/src/cpu/intel/speedstep/acpi/cpu.asl b/src/cpu/intel/speedstep/acpi/cpu.asl index 9ff3f76727..2d1a47bc78 100644 --- a/src/cpu/intel/speedstep/acpi/cpu.asl +++ b/src/cpu/intel/speedstep/acpi/cpu.asl @@ -12,20 +12,20 @@ */ /* These come from the dynamically created CPU SSDT */ -External (\_PR.CNOT, MethodObj) -External (\_PR_.CP00, DeviceObj) -External (\_PR_.CP00._PPC) -External (\_PR_.CP01._PPC) +External (\_SB.CNOT, MethodObj) +External (\_SB_.CP00, DeviceObj) +External (\_SB_.CP00._PPC) +External (\_SB_.CP01._PPC) Method (PNOT) { If (MPEN) { - \_PR.CNOT (0x80) // _PPC + \_SB.CNOT (0x80) // _PPC Sleep(100) - \_PR.CNOT (0x81) // _CST + \_SB.CNOT (0x81) // _CST } Else { // UP - Notify (\_PR_.CP00, 0x80) + Notify (\_SB_.CP00, 0x80) Sleep(0x64) - Notify(\_PR_.CP00, 0x81) + Notify(\_SB_.CP00, 0x81) } } -- cgit v1.2.3