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authorArthur Heymans <arthur@aheymans.xyz>2018-11-28 12:22:59 +0100
committerDuncan Laurie <dlaurie@chromium.org>2018-11-30 21:52:51 +0000
commitf7d1c8d1eb651dcf1c692e33fd662500e93ad1fc (patch)
tree921a33bb7d2bcc3fd663029f91bbbe30ee02111f /src/soc/intel/broadwell/acpi.c
parent1a9efe3b28b42de4ff8191098cec524de563f02d (diff)
soc/intel/broadwell: Rework acpi/cpu.asl
Use acpigen_write_processor_cnot to implement notifications to the CPU. Automatically generate \PPKG in SSDT. Change-Id: I79d2eed9b89b420554ce10d1fc0f151b1872afe2 Signed-off-by: Arthur Heymans <arthur@aheymans.xyz> Reviewed-on: https://review.coreboot.org/c/29890 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Duncan Laurie <dlaurie@chromium.org>
Diffstat (limited to 'src/soc/intel/broadwell/acpi.c')
-rw-r--r--src/soc/intel/broadwell/acpi.c7
1 files changed, 7 insertions, 0 deletions
diff --git a/src/soc/intel/broadwell/acpi.c b/src/soc/intel/broadwell/acpi.c
index 2d9d0b7050..9c6bd9b125 100644
--- a/src/soc/intel/broadwell/acpi.c
+++ b/src/soc/intel/broadwell/acpi.c
@@ -570,6 +570,13 @@ void generate_cpu_entries(struct device *device)
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);
}
static unsigned long acpi_fill_dmar(unsigned long current)