2 * Copyright 2006 by Juniper Networks.
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.
13 * 3. The name of the author may not be used to endorse or promote products
14 * derived from this software without specific prior written permission.
16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
17 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
18 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
19 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
20 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
21 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
22 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
23 * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
24 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
29 #include <sys/cdefs.h>
30 __FBSDID("$FreeBSD$");
32 #include <sys/param.h>
33 #include <sys/systm.h>
36 #include <sys/kernel.h>
38 #include <sys/malloc.h>
39 #include <sys/module.h>
41 #include <machine/bus.h>
43 #include <machine/ocpbus.h>
45 #include <dev/uart/uart.h>
46 #include <dev/uart/uart_bus.h>
48 static int uart_ocp_probe(device_t);
50 static device_method_t uart_ocp_methods[] = {
51 /* Device interface */
52 DEVMETHOD(device_probe, uart_ocp_probe),
53 DEVMETHOD(device_attach, uart_bus_attach),
54 DEVMETHOD(device_detach, uart_bus_detach),
58 static driver_t uart_ocp_driver = {
61 sizeof(struct uart_softc),
65 uart_ocp_probe(device_t dev)
68 struct uart_softc *sc;
69 uintptr_t clock, devtype;
72 parent = device_get_parent(dev);
74 error = BUS_READ_IVAR(parent, dev, OCPBUS_IVAR_DEVTYPE, &devtype);
77 if (devtype != OCPBUS_DEVTYPE_UART)
80 sc = device_get_softc(dev);
81 sc->sc_class = &uart_ns8250_class;
83 if (BUS_READ_IVAR(parent, dev, OCPBUS_IVAR_CLOCK, &clock))
85 return (uart_bus_probe(dev, 0, clock, 0, 0));
88 DRIVER_MODULE(uart, ocpbus, uart_ocp_driver, uart_devclass, 0, 0);