LS1X_UART4_IRQ     67 arch/mips/include/asm/mach-loongson32/irq.h #define LS1X_UART4_IRQ			LS1X_IRQ(0, 29)
LS1X_UART4_IRQ     84 arch/mips/include/asm/mach-loongson32/irq.h #define LS1X_UART4_IRQ			LS1X_IRQ(1, 5)