diff --git a/arch/powerpc/kernel/cputable.c b/arch/powerpc/kernel/cputable.c
index 8662cf053fa0..d3fb7d0c6c1c 100644
--- a/arch/powerpc/kernel/cputable.c
+++ b/arch/powerpc/kernel/cputable.c
@@ -1087,6 +1087,17 @@ static struct cpu_spec __initdata cpu_specs[] = {
 		.dcache_bsize		= 32,
 		.platform		= "ppc405",
 	},
+	{	/* 405EX */
+		.pvr_mask		= 0xffff0000,
+		.pvr_value		= 0x12910000,
+		.cpu_name		= "405EX",
+		.cpu_features		= CPU_FTRS_40X,
+		.cpu_user_features	= PPC_FEATURE_32 |
+			PPC_FEATURE_HAS_MMU | PPC_FEATURE_HAS_4xxMAC,
+		.icache_bsize		= 32,
+		.dcache_bsize		= 32,
+		.platform		= "ppc405",
+	},
 
 #endif /* CONFIG_40x */
 #ifdef CONFIG_44x