LS1X_UART2_IRQ     37 arch/mips/include/asm/mach-loongson32/irq.h #define LS1X_UART2_IRQ			LS1X_IRQ(0, 4)
LS1X_UART2_IRQ     41 arch/mips/include/asm/mach-loongson32/irq.h #define LS1X_UART2_IRQ			LS1X_IRQ(0, 5)