IRQ_MAC_SCC
scc_a_rsrcs[1].start = scc_a_rsrcs[1].end = IRQ_MAC_SCC;
scc_b_rsrcs[1].start = scc_b_rsrcs[1].end = IRQ_MAC_SCC;
case IRQ_MAC_SCC:
case IRQ_MAC_SCC:
generic_handle_irq(IRQ_MAC_SCC);