tree: Add smbios_processor_type

Change-Id: I46f799ad255993ac42dab11b5c1d2608daa52b42
Signed-off-by: Elyes Haouas <ehaouas@noos.fr>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/82645
Reviewed-by: Eric Lai <ericllai@google.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>

src/arch/arm64/smbios.c

@@ -68,7 +68,7 @@ int smbios_write_type4(unsigned long *current, int handle)
 	t->processor_version = smbios_processor_name(t->eos);
 	t->processor_family = 0xfe; /* Use processor_family2 field */
 	t->processor_family2 = 0x101; /* ARMv8 */
-	t->processor_type = 3; /* System Processor */
+	t->processor_type = SMBIOS_PROCESSOR_TYPE_CENTRAL;
 
 	smbios_cpu_get_core_counts(&t->core_count2, &t->thread_count2);
 	t->core_count = MAX_CPUS_ENABLED(t->core_count2);

src/arch/x86/smbios.c

@@ -126,7 +126,7 @@ int smbios_write_type4(unsigned long *current, int handle)
 	t->processor_manufacturer = smbios_cpu_vendor(t->eos);
 	t->processor_version = smbios_processor_name(t->eos);
 	t->processor_family = smbios_processor_family(res);
-	t->processor_type = 3; /* System Processor */
+	t->processor_type = SMBIOS_PROCESSOR_TYPE_CENTRAL;
 	/*
 	 * If CPUID leaf 11 is available, calculate "core count" by dividing
 	 * SMT_ID (logical processors in a core) by Core_ID (number of cores).

src/include/smbios.h

@@ -496,6 +496,15 @@ struct smbios_type4 {
 #define SMBIOS_PROCESSOR_STATUS_POPULATED		(1 << 6)
 #define SMBIOS_PROCESSOR_STATUS_CPU_ENABLED		(1 << 0)
 
+enum smbios_processor_type {
+	SMBIOS_PROCESSOR_TYPE_OTHER = 0x01,
+	SMBIOS_PROCESSOR_TYPE_UNKNOWN = 0x02,
+	SMBIOS_PROCESSOR_TYPE_CENTRAL = 0x03,
+	SMBIOS_PROCESSOR_TYPE_MATH = 0x04,
+	SMBIOS_PROCESSOR_TYPE_DSP = 0x05,
+	SMBIOS_PROCESSOR_TYPE_VIDEO = 0x06,
+};
+
 /* enum for socket type */
 enum smbios_processor_upgrade_field {
 	PROCESSOR_UPGRADE_OTHER = 0x01,