diff --git a/src/soc/amd/phoenix/cpu.c b/src/soc/amd/phoenix/cpu.c
index 9c51a57..8e24435 100644
--- a/src/soc/amd/phoenix/cpu.c
+++ b/src/soc/amd/phoenix/cpu.c
@@ -50,7 +50,7 @@
 };
 
 static struct cpu_device_id cpu_table[] = {
-	/* TODO: Add Phoenix CPUID */
+	{ X86_VENDOR_AMD, PHOENIX_A0_CPUID, CPUID_ALL_STEPPINGS_MASK },
 	{ X86_VENDOR_AMD, PHOENIX2_A0_CPUID, CPUID_ALL_STEPPINGS_MASK },
 	{ 0, 0, 0 },
 };
diff --git a/src/soc/amd/phoenix/include/soc/cpu.h b/src/soc/amd/phoenix/include/soc/cpu.h
index f99c316..34784c4 100644
--- a/src/soc/amd/phoenix/include/soc/cpu.h
+++ b/src/soc/amd/phoenix/include/soc/cpu.h
@@ -3,6 +3,7 @@
 #ifndef AMD_PHOENIX_CPU_H
 #define AMD_PHOENIX_CPU_H
 
+#define PHOENIX_A0_CPUID	0x00a70f40
 #define PHOENIX2_A0_CPUID	0x00a70f80
 
 #endif /* AMD_PHOENIX_CPU_H */