2 * Copyright (c) 2012, Adrian Chadd <adrian@FreeBSD.org>
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
27 #include <sys/cdefs.h>
28 __FBSDID("$FreeBSD$");
30 #include <sys/param.h>
31 #include <sys/systm.h>
34 #include <sys/kernel.h>
35 #include <sys/module.h>
37 #include <machine/bus.h>
39 #include <dev/uart/uart.h>
40 #include <dev/uart/uart_cpu.h>
41 #include <dev/uart/uart_bus.h>
43 #include <mips/atheros/ar71xxreg.h>
44 #include <mips/atheros/ar71xx_cpudef.h>
46 #include <mips/atheros/uart_dev_ar933x.h>
50 static int uart_ar933x_probe(device_t dev);
51 extern struct uart_class uart_ar933x_uart_class;
53 static device_method_t uart_ar933x_methods[] = {
54 /* Device interface */
55 DEVMETHOD(device_probe, uart_ar933x_probe),
56 DEVMETHOD(device_attach, uart_bus_attach),
57 DEVMETHOD(device_detach, uart_bus_detach),
61 static driver_t uart_ar933x_driver = {
64 sizeof(struct uart_softc),
67 extern SLIST_HEAD(uart_devinfo_list, uart_devinfo) uart_sysdevs;
70 uart_ar933x_probe(device_t dev)
72 struct uart_softc *sc;
75 freq = ar71xx_uart_freq();
77 sc = device_get_softc(dev);
78 sc->sc_sysdev = SLIST_FIRST(&uart_sysdevs);
79 sc->sc_class = &uart_ar933x_class;
80 bcopy(&sc->sc_sysdev->bas, &sc->sc_bas, sizeof(sc->sc_bas));
81 sc->sc_sysdev->bas.regshft = 0;
82 sc->sc_sysdev->bas.bst = mips_bus_space_generic;
83 sc->sc_sysdev->bas.bsh = MIPS_PHYS_TO_KSEG1(AR71XX_UART_ADDR);
84 sc->sc_bas.regshft = 0;
85 sc->sc_bas.bst = mips_bus_space_generic;
86 sc->sc_bas.bsh = MIPS_PHYS_TO_KSEG1(AR71XX_UART_ADDR);
88 return (uart_bus_probe(dev, 2, freq, 0, 0));
91 DRIVER_MODULE(uart, apb, uart_ar933x_driver, uart_devclass, 0, 0);