1 /*-
2 * Copyright (c) 2006 Raza Microelectronics
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
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 *
14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
15 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
16 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
17 * IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
18 * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
19 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
20 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
21 * 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
24 * SUCH DAMAGE.
25 */
26
27 #include <sys/cdefs.h>
28 __FBSDID("$FreeBSD$");
29
30 #include <sys/param.h>
31 #include <sys/systm.h>
32 #include <sys/bus.h>
33 #include <sys/kernel.h>
34 #include <sys/module.h>
35 #include <sys/lock.h>
36 #include <sys/mutex.h>
37
38 #include <machine/bus.h>
39 #include <sys/rman.h>
40 #include <machine/resource.h>
41 #include <mips/rmi/iomap.h>
42 #include <dev/uart/uart.h>
43 #include <dev/uart/uart_bus.h>
44 #include <dev/uart/uart_cpu.h>
45
46 static int uart_iodi_probe(device_t dev);
47
48 static device_method_t uart_iodi_methods[] = {
49 /* Device interface */
50 DEVMETHOD(device_probe, uart_iodi_probe),
51 DEVMETHOD(device_attach, uart_bus_attach),
52 DEVMETHOD(device_detach, uart_bus_detach),
53 {0, 0}
54 };
55
56 static driver_t uart_iodi_driver = {
57 uart_driver_name,
58 uart_iodi_methods,
59 sizeof(struct uart_softc),
60 };
61
62
63 extern SLIST_HEAD(uart_devinfo_list, uart_devinfo) uart_sysdevs;
64 static int
uart_iodi_probe(device_t dev)65 uart_iodi_probe(device_t dev)
66 {
67 struct uart_softc *sc;
68 sc = device_get_softc(dev);
69 sc->sc_sysdev = SLIST_FIRST(&uart_sysdevs);
70 sc->sc_class = &uart_ns8250_class;
71 bcopy(&sc->sc_sysdev->bas, &sc->sc_bas, sizeof(sc->sc_bas));
72 sc->sc_sysdev->bas.bst = rmi_bus_space;
73 sc->sc_sysdev->bas.bsh = MIPS_PHYS_TO_KSEG1(XLR_UART0ADDR);
74 sc->sc_bas.bst = rmi_bus_space;
75 sc->sc_bas.bsh = MIPS_PHYS_TO_KSEG1(XLR_UART0ADDR);
76 /* regshft = 2, rclk = 66000000, rid = 0, chan = 0 */
77 return (uart_bus_probe(dev, 2, 66000000, 0, 0));
78 }
79
80 DRIVER_MODULE(uart, iodi, uart_iodi_driver, uart_devclass, 0, 0);
81