Function mtk_uart_bus_attach

freebsd/mips/mediatek/uart_dev_mtk.c:280–318

}

static int
mtk_uart_bus_attach(struct uart_softc *sc)
{
	struct uart_bas *bas;
	struct uart_devinfo *di;
	struct uart_mtk_softc *usc = (struct uart_mtk_softc *)sc;

	bas = &sc->sc_bas;

	if (!bas->rclk) {
		bas->rclk = mtk_soc_get_uartclk();
	}

	if (sc->sc_sysdev != NULL) {
		di = sc->sc_sysdev;
		mtk_uart_init(bas, di->baudrate, di->databits, di->stopbits,
		    di->parity);
	} else {
		mtk_uart_init(bas, 57600, 8, 1, 0);
	}

	sc->sc_rxfifosz = 16;
	sc->sc_txfifosz = 16;

	(void)mtk_uart_bus_getsig(sc);

	/* Enable FIFO */
	uart_setreg(bas, UART_FCR_REG,
	    uart_getreg(bas, UART_FCR_REG) |
	    UART_FCR_FIFOEN | UART_FCR_TXTGR_1 | UART_FCR_RXTGR_1);
	uart_barrier(bas);
	/* Enable interrupts */
	usc->ier_mask = 0xf0;
	uart_setreg(bas, UART_IER_REG,
	    UART_IER_EDSSI | UART_IER_ELSI | UART_IER_ERBFI);
	uart_barrier(bas);

	return (0);
}

static int
mtk_uart_bus_detach(struct uart_softc *sc)