SDDATA
*(buf++) = readl(host->ioaddr + SDDATA);
host->dma_cfg_tx.dst_addr = host->phys_addr + SDDATA;
host->dma_cfg_rx.src_addr = host->phys_addr + SDDATA;
*(buf++) = readl(host->ioaddr + SDDATA);
writel(*(buf++), host->ioaddr + SDDATA);