2 * Copyright 2017 Emmanuel Vadot <manu@freebsd.org>
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions are
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
17 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE
18 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
19 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
20 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
21 * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
22 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
23 * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
24 * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27 #include <sys/cdefs.h>
28 __FBSDID("$FreeBSD$");
30 #include <sys/param.h>
31 #include <sys/kernel.h>
33 #include <sys/module.h>
34 #include <sys/queue.h>
35 #include <sys/taskqueue.h>
37 #include <machine/bus.h>
39 #include <dev/mmc/bridge.h>
40 #include <dev/mmc/mmc_fdt_helpers.h>
42 #include <dev/ofw/ofw_bus_subr.h>
44 #include <dev/mmc/host/dwmmc_var.h>
46 #include "opt_mmccam.h"
48 static struct ofw_compat_data compat_data[] = {
49 {"altr,socfpga-dw-mshc", 1},
54 altera_dwmmc_probe(device_t dev)
57 if (!ofw_bus_status_okay(dev))
60 if (ofw_bus_search_compatible(dev, compat_data)->ocd_data == 0)
63 device_set_desc(dev, "Synopsys DesignWare Mobile "
64 "Storage Host Controller (Altera)");
66 return (BUS_PROBE_VENDOR);
70 altera_dwmmc_attach(device_t dev)
72 struct dwmmc_softc *sc;
75 sc = device_get_softc(dev);
76 sc->hwtype = HWTYPE_ALTERA;
78 root = OF_finddevice("/");
80 if (ofw_bus_node_is_compatible(root, "altr,socfpga-stratix10")) {
81 sc->bus_hz = 24000000;
85 return (dwmmc_attach(dev));
88 static device_method_t altera_dwmmc_methods[] = {
90 DEVMETHOD(device_probe, altera_dwmmc_probe),
91 DEVMETHOD(device_attach, altera_dwmmc_attach),
96 static devclass_t altera_dwmmc_devclass;
98 DEFINE_CLASS_1(altera_dwmmc, altera_dwmmc_driver, altera_dwmmc_methods,
99 sizeof(struct dwmmc_softc), dwmmc_driver);
101 DRIVER_MODULE(altera_dwmmc, simplebus, altera_dwmmc_driver,
102 altera_dwmmc_devclass, 0, 0);
103 DRIVER_MODULE(altera_dwmmc, ofwbus, altera_dwmmc_driver, altera_dwmmc_devclass
106 MMC_DECLARE_BRIDGE(altera_dwmmc);