LOONGSON_IRQ_BASE
LOONGSON_INTENSET = (1 << (d->irq - LOONGSON_IRQ_BASE));
LOONGSON_INTENCLR = (1 << (d->irq - LOONGSON_IRQ_BASE));
for (i = LOONGSON_IRQ_BASE; i < LOONGSON_IRQ_BASE + 32; i++)
i = LOONGSON_IRQ_BASE + 10;
do_IRQ(LOONGSON_IRQ_BASE + i);
irq = LOONGSON_IRQ_BASE + 25 + pin;
virq + LOONGSON_IRQ_BASE);
return LOONGSON_IRQ_BASE + virq;