1/*- 2 * Copyright (c) 2016 Michael Zhilin <mizhka@gmail.com> 3 * Copyright (c) 2015-2016 Landon Fuller <landon@freebsd.org> 4 * All rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: 9 * 1. Redistributions of source code must retain the above copyright 10 * notice, this list of conditions and the following disclaimer, 11 * without modification. 12 * 2. Redistributions in binary form must reproduce at minimum a disclaimer 13 * similar to the "NO WARRANTY" disclaimer below ("Disclaimer") and any 14 * redistribution must be conditioned upon including a substantially 15 * similar Disclaimer requirement for further binary redistribution. 16 * 17 * NO WARRANTY 18 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 19 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 20 * LIMITED TO, THE IMPLIED WARRANTIES OF NONINFRINGEMENT, MERCHANTIBILITY 21 * AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL 22 * THE COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, 23 * OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 24 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 25 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER 26 * IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 27 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF 28 * THE POSSIBILITY OF SUCH DAMAGES. 29 * 30 * $FreeBSD$ 31 */ 32 33#include <sys/cdefs.h> 34__FBSDID("$FreeBSD$"); 35 36#include <sys/param.h> 37#include <sys/kernel.h> 38#include <sys/bus.h> 39#include <sys/module.h> 40 41#include <machine/bus.h> 42#include <sys/rman.h> 43#include <machine/resource.h> 44 45#include <dev/bhnd/bhnd_ids.h> 46 47#include <dev/bhnd/bcma/bcmavar.h> 48#include <dev/bhnd/bcma/bcma_dmp.h> 49 50#include "bcm_mipsvar.h" 51#include "bcm_machdep.h" 52 53#include "bhnd_nexusvar.h" 54 55/* 56 * Supports bcma(4) attachment to a MIPS nexus bus. 57 */ 58 59static int bcma_nexus_attach(device_t); 60static int bcma_nexus_probe(device_t); 61 62_Static_assert(BCMA_OOB_NUM_BUSLINES == BCM_MIPS_NINTR, "BCMA incompatible " 63 "with generic NINTR"); 64 65static int 66bcma_nexus_probe(device_t dev) 67{ 68 int error; 69 70 switch (bcm_get_platform()->cid.chip_type) { 71 case BHND_CHIPTYPE_BCMA: 72 case BHND_CHIPTYPE_BCMA_ALT: 73 case BHND_CHIPTYPE_UBUS: 74 break; 75 default: 76 return (ENXIO); 77 } 78 79 if ((error = bcma_probe(dev)) > 0) 80 return (error); 81 82 /* Set device description */ 83 bhnd_set_default_bus_desc(dev, &bcm_get_platform()->cid); 84 85 return (BUS_PROBE_SPECIFIC); 86} 87 88static int 89bcma_nexus_attach(device_t dev) 90{ 91 int error; 92 93 /* Perform initial attach and enumerate our children. */ 94 if ((error = bcma_attach(dev))) 95 goto failed; 96 97 /* Delegate remainder to standard bhnd method implementation */ 98 if ((error = bhnd_generic_attach(dev))) 99 goto failed; 100 101 return (0); 102 103failed: 104 device_delete_children(dev); 105 return (error); 106} 107 108static device_method_t bcma_nexus_methods[] = { 109 DEVMETHOD(device_probe, bcma_nexus_probe), 110 DEVMETHOD(device_attach, bcma_nexus_attach), 111 112 DEVMETHOD_END 113}; 114 115DEFINE_CLASS_2(bhnd, bcma_nexus_driver, bcma_nexus_methods, 116 sizeof(struct bcma_softc), bhnd_nexus_driver, bcma_driver); 117 118EARLY_DRIVER_MODULE(bcma_nexus, nexus, bcma_nexus_driver, bhnd_devclass, 0, 0, 119 BUS_PASS_BUS + BUS_PASS_ORDER_MIDDLE); 120