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/arch/x86/Kconfig | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) (limited to 'src/arch/x86/Kconfig') diff --git a/src/arch/x86/Kconfig b/src/arch/x86/Kconfig index 810a5bbaab..a4e5314ab5 100644 --- a/src/arch/x86/Kconfig +++ b/src/arch/x86/Kconfig @@ -254,11 +254,11 @@ config ACPI_HAVE_PCAT_8259 config ACPI_CPU_STRING string - default "\\_PR.CP%02d" + default "\\_SB.CP%02d" depends on HAVE_ACPI_TABLES help Sets the ACPI name string in the processor scope as written by - the acpigen function. Default is \_PR.CPxx. Note that you need + the acpigen function. Default is \_SB.CPxx. Note that you need the \ escape character in the string. config COLLECT_TIMESTAMPS_NO_TSC -- cgit v1.2.3