1 /*- 2 * Copyright 2015 Justin Hibbits 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 7 * are met: 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. 13 * 3. The name of the author may not be used to endorse or promote products 14 * derived from this software without specific prior written permission. 15 * 16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 17 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 18 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 19 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 20 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, 21 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 22 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED 23 * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, 24 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 26 * SUCH DAMAGE. 27 * 28 * From: FreeBSD: src/sys/powerpc/mpc85xx/pci_ocp.c,v 1.9 2010/03/23 23:46:28 marcel 29 */ 30 31 #include <sys/cdefs.h> 32 __FBSDID("$FreeBSD$"); 33 34 #include <sys/param.h> 35 #include <sys/systm.h> 36 #include <sys/ktr.h> 37 #include <sys/sockio.h> 38 #include <sys/mbuf.h> 39 #include <sys/malloc.h> 40 #include <sys/kernel.h> 41 #include <sys/module.h> 42 #include <sys/socket.h> 43 #include <sys/queue.h> 44 #include <sys/bus.h> 45 #include <sys/lock.h> 46 #include <sys/mutex.h> 47 #include <sys/rman.h> 48 #include <sys/endian.h> 49 50 #include <vm/vm.h> 51 #include <vm/pmap.h> 52 53 #include <dev/pci/pcivar.h> 54 #include <dev/pci/pcireg.h> 55 #include <dev/pci/pcib_private.h> 56 57 #include "pcib_if.h" 58 59 static int 60 fsl_pcib_rc_probe(device_t dev) 61 { 62 printf("Probe called\n"); 63 if (pci_get_vendor(dev) != 0x1957) 64 return (ENXIO); 65 if (pci_get_progif(dev) != 0) 66 return (ENXIO); 67 if (pci_get_class(dev) != PCIC_PROCESSOR) 68 return (ENXIO); 69 if (pci_get_subclass(dev) != PCIS_PROCESSOR_POWERPC) 70 return (ENXIO); 71 72 return (BUS_PROBE_DEFAULT); 73 } 74 75 static int 76 fsl_pcib_rc_attach(device_t dev) 77 { 78 struct pcib_softc *sc; 79 device_t child; 80 81 pcib_bridge_init(dev); 82 pcib_attach_common(dev); 83 84 sc = device_get_softc(dev); 85 if (sc->bus.sec != 0) { 86 child = device_add_child(dev, "pci", -1); 87 if (child != NULL) 88 return (bus_generic_attach(dev)); 89 } 90 91 return (0); 92 } 93 94 static device_method_t fsl_pcib_rc_methods[] = { 95 DEVMETHOD(device_probe, fsl_pcib_rc_probe), 96 DEVMETHOD(device_attach, fsl_pcib_rc_attach), 97 DEVMETHOD_END 98 }; 99 100 static devclass_t fsl_pcib_rc_devclass; 101 DEFINE_CLASS_1(pcib, fsl_pcib_rc_driver, fsl_pcib_rc_methods, 102 sizeof(struct pcib_softc), pcib_driver); 103 DRIVER_MODULE(rcpcib, pci, fsl_pcib_rc_driver, fsl_pcib_rc_devclass, 0, 0); 104 105