REG_EP2RC_SW_INT_ACK
iowrite32(mask, mhccif_pbase + REG_EP2RC_SW_INT_ACK);
iowrite32(D2H_INT_ASYNC_MD_HK, mhccif_base + REG_EP2RC_SW_INT_ACK);
iowrite32(D2H_INT_ASYNC_AP_HK, mhccif_base + REG_EP2RC_SW_INT_ACK);