MPIC_CPU_READ
ctp = MPIC_CPU_READ(ARMADAXP_MLMB_MPIC_CTP);
irq = MPIC_CPU_READ(ARMADAXP_MLMB_MPIC_IIACK) & 0x3ff;
reg = MPIC_CPU_READ(ARMADAXP_MLMB_MPIC_ERR_MASK);
reg = MPIC_CPU_READ(ARMADAXP_MLMB_MPIC_ERR_MASK);
reg = MPIC_CPU_READ(ARMADAXP_MLMB_MPIC_ERR_MASK);