REG_CLDMA_L2TISAR0
ch_id = ioread32(hw_info->ap_pdn_base + REG_CLDMA_L2TISAR0);
iowrite32(ch_id, hw_info->ap_pdn_base + REG_CLDMA_L2TISAR0);
ioread32(hw_info->ap_pdn_base + REG_CLDMA_L2TISAR0);
hw_info->ap_pdn_base + REG_CLDMA_L2TISAR0;
l2_tx_int = ioread32(hw_info->ap_pdn_base + REG_CLDMA_L2TISAR0);