UART_OMAP_WER
serial_out(up, UART_OMAP_WER, priv->wer);
serial_out(up, UART_OMAP_WER, priv->wer);
serial_out(up, UART_OMAP_WER, priv->wer);
serial_out(up, UART_OMAP_WER, 0);
serial_out(up, UART_OMAP_WER, up->wer);
serial_out(up, UART_OMAP_WER, up->wer);