1 /* 2 * Copyright 2017 Emmanuel Vadot <manu@freebsd.org> 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions are 7 * met: 8 * 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. 14 * 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. 26 */ 27 28 #include <sys/cdefs.h> 29 __FBSDID("$FreeBSD$"); 30 31 #include <sys/param.h> 32 #include <sys/kernel.h> 33 #include <sys/bus.h> 34 #include <sys/module.h> 35 36 #include <machine/bus.h> 37 38 #include <dev/mmc/bridge.h> 39 40 #include <dev/ofw/ofw_bus_subr.h> 41 42 #include <dev/mmc/host/dwmmc_var.h> 43 44 static struct ofw_compat_data compat_data[] = { 45 {"altr,socfpga-dw-mshc", 1}, 46 {NULL, 0}, 47 }; 48 49 static int 50 altera_dwmmc_probe(device_t dev) 51 { 52 53 if (!ofw_bus_status_okay(dev)) 54 return (ENXIO); 55 56 if (ofw_bus_search_compatible(dev, compat_data)->ocd_data == 0) 57 return (ENXIO); 58 59 device_set_desc(dev, "Synopsys DesignWare Mobile " 60 "Storage Host Controller (Altera)"); 61 62 return (BUS_PROBE_VENDOR); 63 } 64 65 static int 66 altera_dwmmc_attach(device_t dev) 67 { 68 struct dwmmc_softc *sc; 69 70 sc = device_get_softc(dev); 71 sc->hwtype = HWTYPE_ALTERA; 72 73 return (dwmmc_attach(dev)); 74 } 75 76 static device_method_t altera_dwmmc_methods[] = { 77 /* bus interface */ 78 DEVMETHOD(device_probe, altera_dwmmc_probe), 79 DEVMETHOD(device_attach, altera_dwmmc_attach), 80 81 DEVMETHOD_END 82 }; 83 84 static devclass_t altera_dwmmc_devclass; 85 86 DEFINE_CLASS_1(altera_dwmmc, altera_dwmmc_driver, altera_dwmmc_methods, 87 sizeof(struct dwmmc_softc), dwmmc_driver); 88 89 DRIVER_MODULE(altera_dwmmc, simplebus, altera_dwmmc_driver, 90 altera_dwmmc_devclass, 0, 0); 91 DRIVER_MODULE(altera_dwmmc, ofwbus, altera_dwmmc_driver, altera_dwmmc_devclass 92 , NULL, NULL); 93 #ifndef MMCCAM 94 MMC_DECLARE_BRIDGE(altera_dwmmc); 95 #endif 96