diff --git a/target/linux/ifxmips/files/include/asm-mips/ifxmips/ifxmips.h b/target/linux/ifxmips/files/include/asm-mips/ifxmips/ifxmips.h
index 8389611895fa8adf013716c2f7274fa109d78aaf..2180f44394ded5428443c4a33873bf82e640707b 100644
--- a/target/linux/ifxmips/files/include/asm-mips/ifxmips/ifxmips.h
+++ b/target/linux/ifxmips/files/include/asm-mips/ifxmips/ifxmips.h
@@ -196,6 +196,7 @@
 #define IFXMIPS_ICU_IM0_IMR		((u32*)(IFXMIPS_ICU_BASE_ADDR + 0x0020))
 
 #define IFXMIPS_ICU_IM1_ISR		((u32*)(IFXMIPS_ICU_BASE_ADDR + 0x0028))
+#define IFXMIPS_ICU_IM2_IER		((u32*)(IFXMIPS_ICU_BASE_ADDR + 0x0058))
 #define IFXMIPS_ICU_IM5_IER		((u32*)(IFXMIPS_ICU_BASE_ADDR + 0x00D0))
 
 #define IFXMIPS_ICU_OFFSET		(IFXMIPS_ICU_IM1_ISR - IFXMIPS_ICU_IM0_ISR)
diff --git a/target/linux/ifxmips/files/include/asm-mips/ifxmips/ifxmips_irq.h b/target/linux/ifxmips/files/include/asm-mips/ifxmips/ifxmips_irq.h
index 07db10b02c76c99c89c0e216e44064f3ef37f1f5..694a646e86c25d6739171a9ad3b5e2ed2e962897 100644
--- a/target/linux/ifxmips/files/include/asm-mips/ifxmips/ifxmips_irq.h
+++ b/target/linux/ifxmips/files/include/asm-mips/ifxmips/ifxmips_irq.h
@@ -63,6 +63,10 @@
 #define IFXMIPS_DMA_CH18_INT		(INT_NUM_IM2_IRL0 + 16)
 #define IFXMIPS_DMA_CH19_INT		(INT_NUM_IM2_IRL0 + 21)
 
+#define IFXMIPS_USB_INT				(INT_NUM_IM4_IRL0 + 22)
+#define IFXMIPS_USB_OC_INT			(INT_NUM_IM4_IRL0 + 23)
+
+
 extern void ifxmips_mask_and_ack_irq(unsigned int irq_nr);
 
 #endif