a1af70e58b
Use the mmc_fdt_parse function instead of parsing everything in the driver. MFC after: 1 month
107 lines
3.0 KiB
C
107 lines
3.0 KiB
C
/*
|
|
* Copyright 2015 Andrew Turner.
|
|
* All rights reserved.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions are
|
|
* met:
|
|
*
|
|
* 1. Redistributions of source code must retain the above copyright
|
|
* notice, this list of conditions and the following disclaimer.
|
|
* 2. Redistributions in binary form must reproduce the above copyright
|
|
* notice, this list of conditions and the following disclaimer in the
|
|
* documentation and/or other materials provided with the distribution.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
|
|
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
|
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
|
|
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE
|
|
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
|
|
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
|
|
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
|
|
* BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
|
|
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
|
|
* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
|
|
* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
|
*/
|
|
|
|
#include <sys/cdefs.h>
|
|
__FBSDID("$FreeBSD$");
|
|
|
|
#include <sys/param.h>
|
|
#include <sys/kernel.h>
|
|
#include <sys/bus.h>
|
|
#include <sys/module.h>
|
|
#include <sys/queue.h>
|
|
#include <sys/taskqueue.h>
|
|
|
|
#include <machine/bus.h>
|
|
|
|
#include <dev/mmc/bridge.h>
|
|
#include <dev/mmc/mmc_fdt_helpers.h>
|
|
|
|
#include <dev/ofw/ofw_bus_subr.h>
|
|
|
|
#include <dev/mmc/host/dwmmc_var.h>
|
|
|
|
#include "opt_mmccam.h"
|
|
|
|
static device_probe_t hisi_dwmmc_probe;
|
|
static device_attach_t hisi_dwmmc_attach;
|
|
|
|
static int
|
|
hisi_dwmmc_probe(device_t dev)
|
|
{
|
|
|
|
if (!ofw_bus_status_okay(dev))
|
|
return (ENXIO);
|
|
|
|
if (!ofw_bus_is_compatible(dev, "hisilicon,hi6220-dw-mshc"))
|
|
return (ENXIO);
|
|
|
|
device_set_desc(dev, "Synopsys DesignWare Mobile "
|
|
"Storage Host Controller (HiSilicon)");
|
|
|
|
return (BUS_PROBE_VENDOR);
|
|
}
|
|
|
|
static int
|
|
hisi_dwmmc_attach(device_t dev)
|
|
{
|
|
struct dwmmc_softc *sc;
|
|
|
|
sc = device_get_softc(dev);
|
|
sc->hwtype = HWTYPE_HISILICON;
|
|
/* TODO: Calculate this from a clock driver */
|
|
sc->bus_hz = 24000000; /* 24MHz */
|
|
|
|
/*
|
|
* ARM64TODO: This is likely because we lack support for
|
|
* DMA when the controller is not cache-coherent on arm64.
|
|
*/
|
|
sc->use_pio = 1;
|
|
|
|
return (dwmmc_attach(dev));
|
|
}
|
|
|
|
static device_method_t hisi_dwmmc_methods[] = {
|
|
/* bus interface */
|
|
DEVMETHOD(device_probe, hisi_dwmmc_probe),
|
|
DEVMETHOD(device_attach, hisi_dwmmc_attach),
|
|
|
|
DEVMETHOD_END
|
|
};
|
|
|
|
static devclass_t hisi_dwmmc_devclass;
|
|
|
|
DEFINE_CLASS_1(hisi_dwmmc, hisi_dwmmc_driver, hisi_dwmmc_methods,
|
|
sizeof(struct dwmmc_softc), dwmmc_driver);
|
|
|
|
DRIVER_MODULE(hisi_dwmmc, simplebus, hisi_dwmmc_driver,
|
|
hisi_dwmmc_devclass, 0, 0);
|
|
DRIVER_MODULE(hisi_dwmmc, ofwbus, hisi_dwmmc_driver, hisi_dwmmc_devclass
|
|
, NULL, NULL);
|
|
#ifndef MMCCAM
|
|
MMC_DECLARE_BRIDGE(hisi_dwmmc);
|
|
#endif
|