cpu/intel/haswell: Rework acpi/cpu.asl
Use acpigen_write_processor_cnot to implement notifications the CPU.
Generate PPKG in SSDT.
Change-Id: I126989e8737720f55f7ce113ff4e32bfe0f22620
Signed-off-by: Arthur Heymans <arthur@aheymans.xyz>
Reviewed-on: https://review.coreboot.org/c/29885
Reviewed-by: Duncan Laurie <dlaurie@chromium.org>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
diff --git a/src/cpu/intel/haswell/acpi.c b/src/cpu/intel/haswell/acpi.c
index 40279bf..9dcd8ec 100644
--- a/src/cpu/intel/haswell/acpi.c
+++ b/src/cpu/intel/haswell/acpi.c
@@ -339,6 +339,13 @@
acpigen_pop_len();
}
}
+
+ /* PPKG is usually used for thermal management
+ of the first and only package. */
+ acpigen_write_processor_package("PPKG", 0, cores_per_package);
+
+ /* Add a method to notify processor nodes */
+ acpigen_write_processor_cnot(cores_per_package);
}
struct chip_operations cpu_intel_haswell_ops = {