diff --git a/arch/mips/Kconfig b/arch/mips/Kconfig
index 09537d4f656d..0694f2c1aa85 100644
--- a/arch/mips/Kconfig
+++ b/arch/mips/Kconfig
@@ -1864,7 +1864,7 @@ config CPU_LOONGSON2
 config CPU_LOONGSON1
 	bool
 	select CPU_MIPS32
-	select CPU_MIPSR1
+	select CPU_MIPSR2
 	select CPU_HAS_PREFETCH
 	select CPU_HAS_LOAD_STORE_LR
 	select CPU_SUPPORTS_32BIT_KERNEL
diff --git a/arch/mips/loongson32/Platform b/arch/mips/loongson32/Platform
index ca39b4907257..333215593092 100644
--- a/arch/mips/loongson32/Platform
+++ b/arch/mips/loongson32/Platform
@@ -1,4 +1,4 @@
-cflags-$(CONFIG_CPU_LOONGSON1)		+= -march=mips32 -Wa,--trap
+cflags-$(CONFIG_CPU_LOONGSON1)		+= -march=mips32r2 -Wa,--trap
 platform-$(CONFIG_MACH_LOONGSON32)	+= loongson32/
 cflags-$(CONFIG_MACH_LOONGSON32)	+= -I$(srctree)/arch/mips/include/asm/mach-loongson32
 load-$(CONFIG_CPU_LOONGSON1)		+= 0xffffffff80200000