2 * Copyright 2017 Emmanuel Vadot <manu@freebsd.org>
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions are
9 * 1. Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
11 * 2. Redistributions in binary form must reproduce the above copyright
12 * notice, this list of conditions and the following disclaimer in the
13 * documentation and/or other materials provided with the distribution.
15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
16 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
17 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
18 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE
19 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
20 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
21 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
22 * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
23 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
24 * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
25 * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
28 #include <sys/cdefs.h>
29 __FBSDID("$FreeBSD$");
31 #include <sys/param.h>
32 #include <sys/kernel.h>
34 #include <sys/module.h>
36 #include <machine/bus.h>
38 #include <dev/mmc/bridge.h>
40 #include <dev/ofw/ofw_bus_subr.h>
42 #include <dev/mmc/host/dwmmc_var.h>
44 #include "opt_mmccam.h"
46 static struct ofw_compat_data compat_data[] = {
47 {"altr,socfpga-dw-mshc", 1},
52 altera_dwmmc_probe(device_t dev)
55 if (!ofw_bus_status_okay(dev))
58 if (ofw_bus_search_compatible(dev, compat_data)->ocd_data == 0)
61 device_set_desc(dev, "Synopsys DesignWare Mobile "
62 "Storage Host Controller (Altera)");
64 return (BUS_PROBE_VENDOR);
68 altera_dwmmc_attach(device_t dev)
70 struct dwmmc_softc *sc;
73 sc = device_get_softc(dev);
74 sc->hwtype = HWTYPE_ALTERA;
76 root = OF_finddevice("/");
78 if (ofw_bus_node_is_compatible(root, "altr,socfpga-stratix10")) {
79 sc->bus_hz = 24000000;
83 return (dwmmc_attach(dev));
86 static device_method_t altera_dwmmc_methods[] = {
88 DEVMETHOD(device_probe, altera_dwmmc_probe),
89 DEVMETHOD(device_attach, altera_dwmmc_attach),
94 static devclass_t altera_dwmmc_devclass;
96 DEFINE_CLASS_1(altera_dwmmc, altera_dwmmc_driver, altera_dwmmc_methods,
97 sizeof(struct dwmmc_softc), dwmmc_driver);
99 DRIVER_MODULE(altera_dwmmc, simplebus, altera_dwmmc_driver,
100 altera_dwmmc_devclass, 0, 0);
101 DRIVER_MODULE(altera_dwmmc, ofwbus, altera_dwmmc_driver, altera_dwmmc_devclass
104 MMC_DECLARE_BRIDGE(altera_dwmmc);