2 * Copyright (c) 2002 JF Hay. All rights reserved.
3 * Copyright (c) 2001 M. Warner Losh. All rights reserved.
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 ``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 BE LIABLE FOR ANY DIRECT, INDIRECT,
18 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
19 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
20 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
21 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
23 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
26 #include <sys/cdefs.h>
27 __FBSDID("$FreeBSD$");
29 #include <sys/param.h>
30 #include <sys/systm.h>
33 #include <sys/kernel.h>
34 #include <sys/module.h>
35 #include <machine/bus.h>
37 #include <machine/resource.h>
39 #include <dev/pci/pcivar.h>
40 #include <dev/puc/pucvar.h>
42 #include <dev/uart/uart.h>
43 #include <dev/uart/uart_bus.h>
45 static int uart_puc_probe(device_t dev);
47 static device_method_t uart_puc_methods[] = {
48 /* Device interface */
49 DEVMETHOD(device_probe, uart_puc_probe),
50 DEVMETHOD(device_attach, uart_bus_attach),
51 DEVMETHOD(device_detach, uart_bus_detach),
55 static driver_t uart_puc_driver = {
58 sizeof(struct uart_softc),
62 uart_puc_probe(device_t dev)
65 struct uart_softc *sc;
66 uintptr_t port, rclk, regshft, type;
68 parent = device_get_parent(dev);
69 sc = device_get_softc(dev);
71 if (BUS_READ_IVAR(parent, dev, PUC_IVAR_SUBTYPE, &type))
74 case PUC_PORT_UART_NS8250:
75 sc->sc_class = &uart_ns8250_class;
78 case PUC_PORT_UART_SAB82532:
79 sc->sc_class = &uart_sab82532_class;
80 if (BUS_READ_IVAR(parent, dev, PUC_IVAR_PORT, &port))
83 case PUC_PORT_UART_Z8530:
84 sc->sc_class = &uart_z8530_class;
85 if (BUS_READ_IVAR(parent, dev, PUC_IVAR_PORT, &port))
92 if (BUS_READ_IVAR(parent, dev, PUC_IVAR_FREQ, &rclk))
94 if (BUS_READ_IVAR(parent, dev, PUC_IVAR_REGSHFT, ®shft))
96 return (uart_bus_probe(dev, regshft, rclk, 0, port));
99 DRIVER_MODULE(uart, puc, uart_puc_driver, uart_devclass, 0, 0);