Symbol: ICW3_CASCADE
sys/arch/loongson/loongson/generic2e_machdep.c
535
REGVAL8(BONITO_PCIIO_BASE + IO_ICU1 + PIC_ICW3) = ICW3_CASCADE(2);
sys/arch/loongson/loongson/generic3a_machdep.c
408
REGVAL8(HTB_IO_BASE + IO_ICU1 + PIC_ICW3) = ICW3_CASCADE(IRQ_CASCADE);