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arch/x86/acpigen.c: Add a method to notify all CPU cores

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Change-Id: If8b07fdcec51c344a82309d4af3b6127ad758baf
Signed-off-by: Arthur Heymans <arthur@aheymans.xyz>
Reviewed-on: https://review.coreboot.org/c/29895
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Nico Huber <nico.h@gmx.de>
This commit is contained in:
Arthur Heymans
2018-11-28 13:18:57 +01:00
committed by Patrick Georgi
parent 6df3b64c77
commit 8f05527485
3 changed files with 19 additions and 11 deletions
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12
src/cpu/intel/speedstep/acpi.c
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@@ -166,15 +166,5 @@ void generate_cpu_entries(struct device *device)
of the first and only package. */
acpigen_write_processor_package("PPKG", 0, cores_per_package);
/* Add a method to notify processor nodes */
acpigen_write_method("\\_PR.CNOT", 1);
for (coreID = 0; coreID < cores_per_package; coreID++) {
char buffer[DEVICE_PATH_MAX];
snprintf(buffer, sizeof(buffer), "\\_PR.CP%c%c",
'0' + coreID / 10, '0' + coreID % 10);
acpigen_emit_byte(NOTIFY_OP);
acpigen_emit_namestring(buffer);
acpigen_emit_byte(ARG0_OP);
}
acpigen_pop_len();
acpigen_write_processor_cnot(cores_per_package);
}