1 /*- 2 * SPDX-License-Identifier: BSD-3-Clause 3 * 4 * Copyright (c) 2007, Juniper Networks, Inc. 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 3. Neither the name of the author nor the names of any co-contributors 16 * may be used to endorse or promote products derived from this software 17 * without specific prior written permission. 18 * 19 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 20 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 21 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 22 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 23 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, 24 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 25 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED 26 * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, 27 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 28 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 29 * SUCH DAMAGE. 30 */ 31 32 #include <sys/cdefs.h> 33 __FBSDID("$FreeBSD$"); 34 35 #include <sys/param.h> 36 #include <sys/systm.h> 37 #include <sys/bus.h> 38 #include <sys/conf.h> 39 #include <sys/kernel.h> 40 #include <sys/module.h> 41 42 #include <machine/bus.h> 43 44 #include <dev/cfi/cfi_var.h> 45 #include <dev/ofw/ofw_bus.h> 46 #include <dev/ofw/ofw_bus_subr.h> 47 48 static int cfi_fdt_probe(device_t); 49 50 static device_method_t cfi_fdt_methods[] = { 51 /* device interface */ 52 DEVMETHOD(device_probe, cfi_fdt_probe), 53 DEVMETHOD(device_attach, cfi_attach), 54 DEVMETHOD(device_detach, cfi_detach), 55 56 DEVMETHOD_END 57 }; 58 59 static driver_t cfi_fdt_driver = { 60 cfi_driver_name, 61 cfi_fdt_methods, 62 sizeof(struct cfi_softc), 63 }; 64 65 DRIVER_MODULE (cfi, lbc, cfi_fdt_driver, cfi_devclass, 0, 0); 66 DRIVER_MODULE (cfi, simplebus, cfi_fdt_driver, cfi_devclass, 0, 0); 67 68 static int 69 cfi_fdt_probe(device_t dev) 70 { 71 72 if (!ofw_bus_status_okay(dev)) 73 return (ENXIO); 74 75 if (!ofw_bus_is_compatible(dev, "cfi-flash")) 76 return (ENXIO); 77 78 return (cfi_probe(dev)); 79 } 80