LOONGSON_HT1_CFG_BASE   17 arch/mips/include/asm/mach-loongson64/irq.h #define LOONGSON_HT1_INT_VECTOR_BASE	(LOONGSON_HT1_CFG_BASE + 0x80)
LOONGSON_HT1_CFG_BASE   18 arch/mips/include/asm/mach-loongson64/irq.h #define LOONGSON_HT1_INT_EN_BASE	(LOONGSON_HT1_CFG_BASE + 0xa0)