arch/x86/smbios: Replace SMBIOS type4 processor upgrade fields
values by macros

Macro definitions are from DMTF System Management BIOS (SMBIOS)
Reference Specification (DSP0134) Chapter 7.5.5.

Change-Id: Ifed1d773b0b349f878648b8172fd770a397e9686
Signed-off-by: Li, Jincheng <jincheng.li@intel.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/71633
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Elyes Haouas <ehaouas@noos.fr>
Reviewed-by: Marc Jones <marc@marcjonesconsulting.com>
Reviewed-by: Martin L Roth <gaumless@gmail.com>
diff --git a/src/arch/x86/smbios.c b/src/arch/x86/smbios.c
index 8d9de7c..7cdf4271b 100644
--- a/src/arch/x86/smbios.c
+++ b/src/arch/x86/smbios.c
@@ -401,17 +401,17 @@
 static int get_socket_type(void)
 {
 	if (CONFIG(CPU_INTEL_SLOT_1))
-		return 0x08;
+		return PROCESSOR_UPGRADE_SLOT_1;
 	if (CONFIG(CPU_INTEL_SOCKET_MPGA604))
-		return 0x13;
+		return PROCESSOR_UPGRADE_SOCKET_MPGA604;
 	if (CONFIG(CPU_INTEL_SOCKET_LGA775))
-		return 0x15;
+		return PROCESSOR_UPGRADE_SOCKET_LGA775;
 	if (CONFIG(XEON_SP_COMMON_BASE))
-		return 0x36;
+		return PROCESSOR_UPGRADE_SOCKET_LGA3647_1;
 	if (CONFIG(SOC_INTEL_ALDERLAKE))
-		return 0x40;
+		return PROCESSOR_UPGRADE_SOCKET_LGA1700;
 
-	return 0x02; /* Unknown */
+	return PROCESSOR_UPGRADE_UNKNOWN;
 }
 
 unsigned int __weak smbios_processor_external_clock(void)
diff --git a/src/include/smbios.h b/src/include/smbios.h
index 9217f5e..446652c 100644
--- a/src/include/smbios.h
+++ b/src/include/smbios.h
@@ -486,6 +486,82 @@
 #define SMBIOS_PROCESSOR_STATUS_POPULATED		(1 << 6)
 #define SMBIOS_PROCESSOR_STATUS_CPU_ENABLED		(1 << 0)
 
+/* enum for socket type */
+enum smbios_processor_upgrade_field {
+	PROCESSOR_UPGRADE_OTHER = 0x01,
+	PROCESSOR_UPGRADE_UNKNOWN = 0x02,
+	PROCESSOR_UPGRADE_DAUGHTER_BOARD = 0x03,
+	PROCESSOR_UPGRADE_ZIF_SOCKET = 0x04,
+	PROCESSOR_UPGRADE_REPLACEABLE_PIGGY_BACK = 0x05,
+	PROCESSOR_UPGRADE_NONE = 0x06,
+	PROCESSOR_UPGRADE_LIF_SOCKET = 0x07,
+	PROCESSOR_UPGRADE_SLOT_1 = 0x08,
+	PROCESSOR_UPGRADE_SLOT_2 = 0x09,
+	PROCESSOR_UPGRADE_370_PIN_SOCKET = 0x0a,
+	PROCESSOR_UPGRADE_SLOT_A = 0x0b,
+	PROCESSOR_UPGRADE_SLOT_M = 0x0c,
+	PROCESSOR_UPGRADE_SOCKET_423 = 0x0d,
+	PROCESSOR_UPGRADE_SOCKET_A = 0x0e,
+	PROCESSOR_UPGRADE_SOCKET_478 = 0x0f,
+	PROCESSOR_UPGRADE_SOCKET_754 = 0x10,
+	PROCESSOR_UPGRADE_SOCKET_940 = 0x11,
+	PROCESSOR_UPGRADE_SOCKET_939 = 0x12,
+	PROCESSOR_UPGRADE_SOCKET_MPGA604 = 0x13,
+	PROCESSOR_UPGRADE_SOCKET_LGA771 = 0x14,
+	PROCESSOR_UPGRADE_SOCKET_LGA775 = 0x15,
+	PROCESSOR_UPGRADE_SOCKET_S1 = 0x16,
+	PROCESSOR_UPGRADE_SOCKET_AM2 = 0x17,
+	PROCESSOR_UPGRADE_SOCKET_F = 0x18,
+	PROCESSOR_UPGRADE_SOCKET_LGA1366 = 0x19,
+	PROCESSOR_UPGRADE_SOCKET_G34 = 0x1a,
+	PROCESSOR_UPGRADE_SOCKET_AM3 = 0x1b,
+	PROCESSOR_UPGRADE_SOCKET_C32 = 0x1c,
+	PROCESSOR_UPGRADE_SOCKET_LGA1156 = 0x1d,
+	PROCESSOR_UPGRADE_SOCKET_LGA1567 = 0x1e,
+	PROCESSOR_UPGRADE_SOCKET_PGA988A = 0x1f,
+	PROCESSOR_UPGRADE_SOCKET_BGA1288 = 0x20,
+	PROCESSOR_UPGRADE_SOCKET_RPGA988B = 0x21,
+	PROCESSOR_UPGRADE_SOCKET_BGA1023 = 0x22,
+	PROCESSOR_UPGRADE_SOCKET_BGA1224 = 0x23,
+	PROCESSOR_UPGRADE_SOCKET_LGA1155 = 0x24,
+	PROCESSOR_UPGRADE_SOCKET_LGA1356 = 0x25,
+	PROCESSOR_UPGRADE_SOCKET_LGA2011 = 0x26,
+	PROCESSOR_UPGRADE_SOCKET_FS1 = 0x27,
+	PROCESSOR_UPGRADE_SOCKET_FS2 = 0x28,
+	PROCESSOR_UPGRADE_SOCKET_FM1 = 0x29,
+	PROCESSOR_UPGRADE_SOCKET_FM2 = 0x2a,
+	PROCESSOR_UPGRADE_SOCKET_LGA2011_3 = 0x2b,
+	PROCESSOR_UPGRADE_SOCKET_LGA1356_3 = 0x2c,
+	PROCESSOR_UPGRADE_SOCKET_LGA1150 = 0x2d,
+	PROCESSOR_UPGRADE_SOCKET_BGA1168 = 0x2e,
+	PROCESSOR_UPGRADE_SOCKET_BGA1234 = 0x2f,
+	PROCESSOR_UPGRADE_SOCKET_BGA1364 = 0x30,
+	PROCESSOR_UPGRADE_SOCKET_AM4 = 0x31,
+	PROCESSOR_UPGRADE_SOCKET_LGA1151 = 0x32,
+	PROCESSOR_UPGRADE_SOCKET_BGA1356 = 0x33,
+	PROCESSOR_UPGRADE_SOCKET_BGA1440 = 0x34,
+	PROCESSOR_UPGRADE_SOCKET_BGA1515 = 0x35,
+	PROCESSOR_UPGRADE_SOCKET_LGA3647_1 = 0x36,
+	PROCESSOR_UPGRADE_SOCKET_SP3 = 0x37,
+	PROCESSOR_UPGRADE_SOCKET_SP3R2 = 0x38,
+	PROCESSOR_UPGRADE_SOCKET_LGA2066 = 0x39,
+	PROCESSOR_UPGRADE_SOCKET_BGA1392 = 0x3a,
+	PROCESSOR_UPGRADE_SOCKET_BGA1510 = 0x3b,
+	PROCESSOR_UPGRADE_SOCKET_BGA1528 = 0x3c,
+	PROCESSOR_UPGRADE_SOCKET_LGA4189 = 0x3d,
+	PROCESSOR_UPGRADE_SOCKET_LGA1200 = 0x3e,
+	PROCESSOR_UPGRADE_SOCKET_LGA4677 = 0x3f,
+	PROCESSOR_UPGRADE_SOCKET_LGA1700 = 0x40,
+	PROCESSOR_UPGRADE_SOCKET_BGA1744 = 0x41,
+	PROCESSOR_UPGRADE_SOCKET_BGA1781 = 0x42,
+	PROCESSOR_UPGRADE_SOCKET_BGA1211 = 0x43,
+	PROCESSOR_UPGRADE_SOCKET_BGA2422 = 0x44,
+	PROCESSOR_UPGRADE_SOCKET_LGA1211 = 0x45,
+	PROCESSOR_UPGRADE_SOCKET_LGA2422 = 0x46,
+	PROCESSOR_UPGRADE_SOCKET_LGA5773 = 0x47,
+	PROCESSOR_UPGRADE_SOCKET_BGA5773 = 0x48,
+};
+
 /* defines for processor family */
 #define SMBIOS_PROCESSOR_FAMILY_OTHER			0x01
 #define SMBIOS_PROCESSOR_FAMILY_UNKNOWN			0x02