soc/intel/skl,acpi/acpigen: convert global CPPC package to local one
Move the global CPPC package \GCPC to the first logical core CP00 and
adapt the reference in the other cores. This is cleaner and avoids
confusion.
Test: dumped SSDT on Supermicro X11SSM-F and verified decompiled version
Change-Id: I40b9fd644622196da434128895eb6fb96fdf254d
Signed-off-by: Michael Niewöhner <foss@mniewoehner.de>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/46465
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Tim Wawrzynczak <twawrzynczak@chromium.org>
diff --git a/src/acpi/acpigen.c b/src/acpi/acpigen.c
index 7b72584..4a7dfc9 100644
--- a/src/acpi/acpigen.c
+++ b/src/acpi/acpigen.c
@@ -10,6 +10,8 @@
#define ACPIGEN_MAXLEN 0xfffff
+#define CPPC_PACKAGE_NAME "GCPC"
+
#include <lib.h>
#include <string.h>
#include <acpi/acpigen.h>
@@ -1578,8 +1580,6 @@
acpigen_pop_len(); /* Method _DSM */
}
-#define CPPC_PACKAGE_NAME "\\GCPC"
-
void acpigen_write_CPPC_package(const struct cppc_config *config)
{
u32 i;
@@ -1621,9 +1621,12 @@
void acpigen_write_CPPC_method(void)
{
+ char pscope[16];
+ snprintf(pscope, sizeof(pscope), CONFIG_ACPI_CPU_STRING "." CPPC_PACKAGE_NAME, 0);
+
acpigen_write_method("_CPC", 0);
acpigen_emit_byte(RETURN_OP);
- acpigen_emit_namestring(CPPC_PACKAGE_NAME);
+ acpigen_emit_namestring(pscope);
acpigen_pop_len();
}