plb.c revision 1.3.2.2
1 1.3.2.2 gehenna /* $NetBSD: plb.c,v 1.3.2.2 2002/08/31 13:45:45 gehenna Exp $ */ 2 1.3.2.2 gehenna 3 1.3.2.2 gehenna /* 4 1.3.2.2 gehenna * Copyright 2001 Wasabi Systems, Inc. 5 1.3.2.2 gehenna * All rights reserved. 6 1.3.2.2 gehenna * 7 1.3.2.2 gehenna * Written by Eduardo Horvath and Simon Burge for Wasabi Systems, Inc. 8 1.3.2.2 gehenna * 9 1.3.2.2 gehenna * Redistribution and use in source and binary forms, with or without 10 1.3.2.2 gehenna * modification, are permitted provided that the following conditions 11 1.3.2.2 gehenna * are met: 12 1.3.2.2 gehenna * 1. Redistributions of source code must retain the above copyright 13 1.3.2.2 gehenna * notice, this list of conditions and the following disclaimer. 14 1.3.2.2 gehenna * 2. Redistributions in binary form must reproduce the above copyright 15 1.3.2.2 gehenna * notice, this list of conditions and the following disclaimer in the 16 1.3.2.2 gehenna * documentation and/or other materials provided with the distribution. 17 1.3.2.2 gehenna * 3. All advertising materials mentioning features or use of this software 18 1.3.2.2 gehenna * must display the following acknowledgement: 19 1.3.2.2 gehenna * This product includes software developed for the NetBSD Project by 20 1.3.2.2 gehenna * Wasabi Systems, Inc. 21 1.3.2.2 gehenna * 4. The name of Wasabi Systems, Inc. may not be used to endorse 22 1.3.2.2 gehenna * or promote products derived from this software without specific prior 23 1.3.2.2 gehenna * written permission. 24 1.3.2.2 gehenna * 25 1.3.2.2 gehenna * THIS SOFTWARE IS PROVIDED BY WASABI SYSTEMS, INC. ``AS IS'' AND 26 1.3.2.2 gehenna * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 27 1.3.2.2 gehenna * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 28 1.3.2.2 gehenna * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL WASABI SYSTEMS, INC 29 1.3.2.2 gehenna * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 30 1.3.2.2 gehenna * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 31 1.3.2.2 gehenna * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 32 1.3.2.2 gehenna * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 33 1.3.2.2 gehenna * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 34 1.3.2.2 gehenna * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 35 1.3.2.2 gehenna * POSSIBILITY OF SUCH DAMAGE. 36 1.3.2.2 gehenna */ 37 1.3.2.2 gehenna 38 1.3.2.2 gehenna /* 39 1.3.2.2 gehenna * Copyright (c) 1996 Christopher G. Demetriou. All rights reserved. 40 1.3.2.2 gehenna * 41 1.3.2.2 gehenna * Redistribution and use in source and binary forms, with or without 42 1.3.2.2 gehenna * modification, are permitted provided that the following conditions 43 1.3.2.2 gehenna * are met: 44 1.3.2.2 gehenna * 1. Redistributions of source code must retain the above copyright 45 1.3.2.2 gehenna * notice, this list of conditions and the following disclaimer. 46 1.3.2.2 gehenna * 2. Redistributions in binary form must reproduce the above copyright 47 1.3.2.2 gehenna * notice, this list of conditions and the following disclaimer in the 48 1.3.2.2 gehenna * documentation and/or other materials provided with the distribution. 49 1.3.2.2 gehenna * 3. All advertising materials mentioning features or use of this software 50 1.3.2.2 gehenna * must display the following acknowledgement: 51 1.3.2.2 gehenna * This product includes software developed by Christopher G. Demetriou 52 1.3.2.2 gehenna * for the NetBSD Project. 53 1.3.2.2 gehenna * 4. The name of the author may not be used to endorse or promote products 54 1.3.2.2 gehenna * derived from this software without specific prior written permission 55 1.3.2.2 gehenna * 56 1.3.2.2 gehenna * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 57 1.3.2.2 gehenna * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 58 1.3.2.2 gehenna * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 59 1.3.2.2 gehenna * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 60 1.3.2.2 gehenna * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 61 1.3.2.2 gehenna * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 62 1.3.2.2 gehenna * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 63 1.3.2.2 gehenna * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 64 1.3.2.2 gehenna * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 65 1.3.2.2 gehenna * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 66 1.3.2.2 gehenna */ 67 1.3.2.2 gehenna 68 1.3.2.2 gehenna #include "locators.h" 69 1.3.2.2 gehenna 70 1.3.2.2 gehenna #include <sys/param.h> 71 1.3.2.2 gehenna #include <sys/systm.h> 72 1.3.2.2 gehenna #include <sys/device.h> 73 1.3.2.2 gehenna #include <sys/extent.h> 74 1.3.2.2 gehenna #include <sys/malloc.h> 75 1.3.2.2 gehenna 76 1.3.2.2 gehenna #define _IBM4XX_BUS_DMA_PRIVATE 77 1.3.2.2 gehenna #include <powerpc/ibm4xx/dev/plbvar.h> 78 1.3.2.2 gehenna #include <powerpc/ibm4xx/ibm405gp.h> 79 1.3.2.2 gehenna 80 1.3.2.2 gehenna /* 81 1.3.2.2 gehenna * The devices that attach to the processor local bus on the 405GP cpu. 82 1.3.2.2 gehenna */ 83 1.3.2.2 gehenna const struct plb_dev plb_devs [] = { 84 1.3.2.2 gehenna { "cpu", }, 85 1.3.2.2 gehenna { "ecc", }, 86 1.3.2.2 gehenna { "opb", }, 87 1.3.2.2 gehenna { "pchb", }, 88 1.3.2.2 gehenna { NULL } 89 1.3.2.2 gehenna }; 90 1.3.2.2 gehenna 91 1.3.2.2 gehenna static int plb_match(struct device *, struct cfdata *, void *); 92 1.3.2.2 gehenna static void plb_attach(struct device *, struct device *, void *); 93 1.3.2.2 gehenna static int plb_submatch(struct device *, struct cfdata *, void *); 94 1.3.2.2 gehenna static int plb_print(void *, const char *); 95 1.3.2.2 gehenna 96 1.3.2.2 gehenna struct cfattach plb_ca = { 97 1.3.2.2 gehenna sizeof(struct device), plb_match, plb_attach 98 1.3.2.2 gehenna }; 99 1.3.2.2 gehenna 100 1.3.2.2 gehenna 101 1.3.2.2 gehenna /* 102 1.3.2.2 gehenna * Probe for the plb; always succeeds. 103 1.3.2.2 gehenna */ 104 1.3.2.2 gehenna static int 105 1.3.2.2 gehenna plb_match(struct device *parent, struct cfdata *cf, void *aux) 106 1.3.2.2 gehenna { 107 1.3.2.2 gehenna 108 1.3.2.2 gehenna return (1); 109 1.3.2.2 gehenna } 110 1.3.2.2 gehenna 111 1.3.2.2 gehenna static int 112 1.3.2.2 gehenna plb_submatch(struct device *parent, struct cfdata *cf, void *aux) 113 1.3.2.2 gehenna { 114 1.3.2.2 gehenna 115 1.3.2.2 gehenna return ((*cf->cf_attach->ca_match)(parent, cf, aux)); 116 1.3.2.2 gehenna } 117 1.3.2.2 gehenna 118 1.3.2.2 gehenna /* 119 1.3.2.2 gehenna * Attach the processor local bus. 120 1.3.2.2 gehenna */ 121 1.3.2.2 gehenna static void 122 1.3.2.2 gehenna plb_attach(struct device *parent, struct device *self, void *aux) 123 1.3.2.2 gehenna { 124 1.3.2.2 gehenna struct plb_attach_args paa; 125 1.3.2.2 gehenna struct plb_dev *local_plb_devs = aux; 126 1.3.2.2 gehenna int i; 127 1.3.2.2 gehenna 128 1.3.2.2 gehenna printf("\n"); 129 1.3.2.2 gehenna 130 1.3.2.2 gehenna for (i = 0; plb_devs[i].plb_name != NULL; i++) { 131 1.3.2.2 gehenna paa.plb_name = plb_devs[i].plb_name; 132 1.3.2.2 gehenna paa.plb_bt = ibm4xx_make_bus_space_tag(0, 0); 133 1.3.2.2 gehenna paa.plb_dmat = &ibm4xx_default_bus_dma_tag; 134 1.3.2.2 gehenna paa.plb_irq = PLBCF_IRQ_DEFAULT; 135 1.3.2.2 gehenna 136 1.3.2.2 gehenna (void) config_found_sm(self, &paa, plb_print, plb_submatch); 137 1.3.2.2 gehenna } 138 1.3.2.2 gehenna 139 1.3.2.2 gehenna while (local_plb_devs && local_plb_devs->plb_name != NULL) { 140 1.3.2.2 gehenna paa.plb_name = local_plb_devs->plb_name; 141 1.3.2.2 gehenna paa.plb_bt = ibm4xx_make_bus_space_tag(0, 0); 142 1.3.2.2 gehenna paa.plb_dmat = &ibm4xx_default_bus_dma_tag; 143 1.3.2.2 gehenna paa.plb_irq = PLBCF_IRQ_DEFAULT; 144 1.3.2.2 gehenna 145 1.3.2.2 gehenna (void) config_found_sm(self, &paa, plb_print, plb_submatch); 146 1.3.2.2 gehenna local_plb_devs++; 147 1.3.2.2 gehenna } 148 1.3.2.2 gehenna } 149 1.3.2.2 gehenna 150 1.3.2.2 gehenna static int 151 1.3.2.2 gehenna plb_print(void *aux, const char *pnp) 152 1.3.2.2 gehenna { 153 1.3.2.2 gehenna struct plb_attach_args *paa = aux; 154 1.3.2.2 gehenna 155 1.3.2.2 gehenna if (pnp) 156 1.3.2.2 gehenna printf("%s at %s", paa->plb_name, pnp); 157 1.3.2.2 gehenna if (paa->plb_irq != PLBCF_IRQ_DEFAULT) 158 1.3.2.2 gehenna printf(" irq %d", paa->plb_irq); 159 1.3.2.2 gehenna 160 1.3.2.2 gehenna return (UNCONF); 161 1.3.2.2 gehenna } 162
Indexes created Wed Oct 01 07:09:59 GMT 2025