QUP_OUT_FIFO_BASE
qup->base + QUP_OUT_FIFO_BASE);
writel(blk->tx_fifo_data, qup->base + QUP_OUT_FIFO_BASE);
writel(blk->tx_fifo_data, qup->base + QUP_OUT_FIFO_BASE);
writel(val, qup->base + QUP_OUT_FIFO_BASE);
writel(val, qup->base + QUP_OUT_FIFO_BASE);