CDNS_UART_CR_TX_EN
writel(CDNS_UART_CR_TX_EN|CDNS_UART_CR_TXRST|CDNS_UART_CR_RXRST,
ctrl |= CDNS_UART_CR_TX_EN;
ctrl_reg |= CDNS_UART_CR_TX_EN | CDNS_UART_CR_RX_EN;
ctrl_reg |= CDNS_UART_CR_TX_EN | CDNS_UART_CR_RX_EN;
status |= CDNS_UART_CR_TX_EN;
ctrl_reg |= CDNS_UART_CR_TX_EN | CDNS_UART_CR_RX_EN;