IRQ_BANK2
sc->sc_imask[2][ipl] |= (1 << IRQ_BANK2(irq));
sc->sc_imask[2][ipl] &= ~(1 << IRQ_BANK2(irq));
if (pending & (1 << IRQ_BANK2(irq)))
sc->sc_bcm_intc_imask[2][ipl] |= (1 << IRQ_BANK2(irq));
sc->sc_bcm_intc_imask[2][ipl] &= ~(1 << IRQ_BANK2(irq));
if (pending & (1 << IRQ_BANK2(irq)))