FLASH_DMA_MODE
[FLASH_DMA_MODE] = 0x0c,
[FLASH_DMA_MODE] = 0x10,
[FLASH_DMA_MODE] = 0x14,
ctrl->flash_dma_mode = flash_dma_readl(ctrl, FLASH_DMA_MODE);
flash_dma_writel(ctrl, FLASH_DMA_MODE, ctrl->flash_dma_mode);
flash_dma_writel(ctrl, FLASH_DMA_MODE, FLASH_DMA_MODE_MASK);