S5PC110_DMA_DST_CFG
writel(S5PC110_DMA_DST_CFG_READ, base + S5PC110_DMA_DST_CFG);
writel(S5PC110_DMA_DST_CFG_WRITE, base + S5PC110_DMA_DST_CFG);
writel(S5PC110_DMA_DST_CFG_READ, base + S5PC110_DMA_DST_CFG);
writel(S5PC110_DMA_DST_CFG_WRITE, base + S5PC110_DMA_DST_CFG);