diff --git a/bsp/ls1cdev/Kconfig b/bsp/ls1cdev/Kconfig
index 6cd2409db4b5e3d7e7a4ab6228d08fd5f688a09d..3fb6e3bbdf174662dc4c892c3cb17bed78429ef5 100644
--- a/bsp/ls1cdev/Kconfig
+++ b/bsp/ls1cdev/Kconfig
@@ -19,7 +19,7 @@ source "$RTT_DIR/Kconfig"
 source "$RTT_DIR/libcpu/mips/common/Kconfig"
 source "$PKGS_DIR/Kconfig"
 
-config SOC_1C300
+config SOC_LS1C300
     bool
     select RT_USING_COMPONENTS_INIT
     select RT_USING_USER_MAIN
diff --git a/bsp/ls1cdev/rtconfig.h b/bsp/ls1cdev/rtconfig.h
index a2bac5d6f0478e1aa7476eea395efd7a97224c78..55899c04e13467842bd4c7d4745addd32764e381 100644
--- a/bsp/ls1cdev/rtconfig.h
+++ b/bsp/ls1cdev/rtconfig.h
@@ -161,7 +161,7 @@
 
 /* samples: kernel and components samples */
 
-#define SOC_1C300
+#define SOC_LS1C300
 #define RT_LS1C_BAICAIBOARD
 #define RT_USING_SELF_BOOT
 #define RT_SELF_BOOT_DEBUG
diff --git a/libcpu/mips/gs232/gs232.h b/libcpu/mips/gs232/gs232.h
index 6e90f7ba66b536117911ee26512dc480d05bab18..95c81cf93e489a792058d319648c143506951c9d 100644
--- a/libcpu/mips/gs232/gs232.h
+++ b/libcpu/mips/gs232/gs232.h
@@ -17,7 +17,14 @@
 
 #define INTC_BASE			0xBFD01040
 
+#ifdef SOC_LS1B
+#define GS232_INTC_CELLS		4
+#endif
+
+#ifdef SOC_LS1C300
 #define GS232_INTC_CELLS		5
+#endif
+
 #define GS232_NR_IRQS			(32 * GS232_INTC_CELLS)
 
 #define GMAC0_BASE			0xBFE10000
@@ -64,4 +71,4 @@ extern void rt_hw_timer_init(void);
 
 #endif
 
-#endif
\ No newline at end of file
+#endif