diff --git a/arch/arm/mach-exynos/platsmp.c b/arch/arm/mach-exynos/platsmp.c
index ab1d2d5f37098532612292e757fac9af4ec3d547..b2e8a5ebad40cee63091b792a7b23943d7bb2bef 100644
--- a/arch/arm/mach-exynos/platsmp.c
+++ b/arch/arm/mach-exynos/platsmp.c
@@ -50,6 +50,8 @@ static inline void __iomem *cpu_boot_reg(int cpu)
 	boot_reg = cpu_boot_reg_base();
 	if (soc_is_exynos4412())
 		boot_reg += 4*cpu;
+	else if (soc_is_exynos5420())
+		boot_reg += 4;
 	return boot_reg;
 }