2 * Copyright 2015 Andrew Turner.
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 device_probe_t hisi_dwmmc_probe;
47 static device_attach_t hisi_dwmmc_attach;
50 hisi_dwmmc_probe(device_t dev)
53 if (!ofw_bus_status_okay(dev))
56 if (!ofw_bus_is_compatible(dev, "hisilicon,hi6220-dw-mshc"))
59 device_set_desc(dev, "Synopsys DesignWare Mobile "
60 "Storage Host Controller (HiSilicon)");
62 return (BUS_PROBE_VENDOR);
66 hisi_dwmmc_attach(device_t dev)
68 struct dwmmc_softc *sc;
70 sc = device_get_softc(dev);
71 sc->hwtype = HWTYPE_HISILICON;
72 /* TODO: Calculate this from a clock driver */
73 sc->bus_hz = 24000000; /* 24MHz */
76 * ARM64TODO: This is likely because we lack support for
77 * DMA when the controller is not cache-coherent on arm64.
82 return (dwmmc_attach(dev));
85 static device_method_t hisi_dwmmc_methods[] = {
87 DEVMETHOD(device_probe, hisi_dwmmc_probe),
88 DEVMETHOD(device_attach, hisi_dwmmc_attach),
93 static devclass_t hisi_dwmmc_devclass;
95 DEFINE_CLASS_1(hisi_dwmmc, hisi_dwmmc_driver, hisi_dwmmc_methods,
96 sizeof(struct dwmmc_softc), dwmmc_driver);
98 DRIVER_MODULE(hisi_dwmmc, simplebus, hisi_dwmmc_driver,
99 hisi_dwmmc_devclass, 0, 0);
100 DRIVER_MODULE(hisi_dwmmc, ofwbus, hisi_dwmmc_driver, hisi_dwmmc_devclass
103 MMC_DECLARE_BRIDGE(hisi_dwmmc);