ARMADAXP_MLMB_MPIC_ISCR_BASE
tmp = MPIC_READ(ARMADAXP_MLMB_MPIC_ISCR_BASE + is->is_irq * 4);
MPIC_WRITE(ARMADAXP_MLMB_MPIC_ISCR_BASE + is->is_irq * 4,