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-rw-r--r--src/arch/x86/acpigen.c17
-rw-r--r--src/arch/x86/include/arch/acpigen.h1
-rw-r--r--src/cpu/intel/speedstep/acpi.c12
3 files changed, 19 insertions, 11 deletions
diff --git a/src/arch/x86/acpigen.c b/src/arch/x86/acpigen.c
index 426a5426b7..290893d719 100644
--- a/src/arch/x86/acpigen.c
+++ b/src/arch/x86/acpigen.c
@@ -369,6 +369,23 @@ void acpigen_write_processor_package(const char *const name,
acpigen_pop_len();
}
+/* Method to notify all CPU cores */
+void acpigen_write_processor_cnot(const unsigned int number_of_cores)
+{
+ int core_id;
+
+ acpigen_write_method("\\_PR.CNOT", 1);
+ for (core_id = 0; core_id < number_of_cores; core_id++) {
+ char buffer[DEVICE_PATH_MAX];
+ snprintf(buffer, sizeof(buffer), CONFIG_ACPI_CPU_STRING,
+ core_id);
+ acpigen_emit_byte(NOTIFY_OP);
+ acpigen_emit_namestring(buffer);
+ acpigen_emit_byte(ARG0_OP);
+ }
+ acpigen_pop_len();
+}
+
/*
* Generate ACPI AML code for OperationRegion
* Arg0: Pointer to struct opregion opreg = OPREGION(rname, space, offset, len)
diff --git a/src/arch/x86/include/arch/acpigen.h b/src/arch/x86/include/arch/acpigen.h
index a27bd6f277..d9379eb25a 100644
--- a/src/arch/x86/include/arch/acpigen.h
+++ b/src/arch/x86/include/arch/acpigen.h
@@ -277,6 +277,7 @@ void acpigen_write_processor(u8 cpuindex, u32 pblock_addr, u8 pblock_len);
void acpigen_write_processor_package(const char *name,
unsigned int first_core,
unsigned int core_count);
+void acpigen_write_processor_cnot(const unsigned int number_of_cores);
void acpigen_write_TSS_package(int entries, acpi_tstate_t *tstate_list);
void acpigen_write_TSD_package(u32 domain, u32 numprocs, PSD_coord coordtype);
void acpigen_write_mem32fixed(int readwrite, u32 base, u32 size);
diff --git a/src/cpu/intel/speedstep/acpi.c b/src/cpu/intel/speedstep/acpi.c
index 0feaa2f4c2..b5e2c9e9e2 100644
--- a/src/cpu/intel/speedstep/acpi.c
+++ b/src/cpu/intel/speedstep/acpi.c
@@ -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);
}