Symbol: ICW3_SIC
sys/arch/loongson/loongson/generic2e_machdep.c
549
REGVAL8(BONITO_PCIIO_BASE + IO_ICU2 + PIC_ICW3) = ICW3_SIC(2);
sys/arch/loongson/loongson/generic3a_machdep.c
415
REGVAL8(HTB_IO_BASE + IO_ICU2 + PIC_ICW3) = ICW3_SIC(IRQ_CASCADE);