REG_CLDMA_L2RISAR0
ch_id = ioread32(hw_info->ap_pdn_base + REG_CLDMA_L2RISAR0);
iowrite32(ch_id, hw_info->ap_pdn_base + REG_CLDMA_L2RISAR0);
ioread32(hw_info->ap_pdn_base + REG_CLDMA_L2RISAR0);
reg = tx_rx == MTK_RX ? hw_info->ap_pdn_base + REG_CLDMA_L2RISAR0 :
l2_rx_int = ioread32(hw_info->ap_pdn_base + REG_CLDMA_L2RISAR0);