diff --git a/arch/powerpc/cpu/mpc85xx/cpu.c b/arch/powerpc/cpu/mpc85xx/cpu.c
index 26fc84c9aae35c158b807d3fa2de9606425adcde..40cce1dbda694d93f4313a779b88d8fc3327b876 100644
--- a/arch/powerpc/cpu/mpc85xx/cpu.c
+++ b/arch/powerpc/cpu/mpc85xx/cpu.c
@@ -127,6 +127,11 @@ int checkcpu (void)
 
 	printf(", Version: %d.%d, (0x%08x)\n", major, minor, pvr);
 
+	if (nr_cores > CONFIG_MAX_CPUS) {
+		panic("\nUnexpected number of cores: %d, max is %d\n",
+			nr_cores, CONFIG_MAX_CPUS);
+	}
+
 	get_sys_info(&sysinfo);
 
 	puts("Clock Configuration:");