opb.c revision 1.5.2.2
1 1.5.2.2 gehenna /* $NetBSD: opb.c,v 1.5.2.2 2002/08/31 13:45:44 gehenna Exp $ */ 2 1.5.2.2 gehenna 3 1.5.2.2 gehenna /* 4 1.5.2.2 gehenna * Copyright 2001,2002 Wasabi Systems, Inc. 5 1.5.2.2 gehenna * All rights reserved. 6 1.5.2.2 gehenna * 7 1.5.2.2 gehenna * Written by Eduardo Horvath and Simon Burge for Wasabi Systems, Inc. 8 1.5.2.2 gehenna * 9 1.5.2.2 gehenna * Redistribution and use in source and binary forms, with or without 10 1.5.2.2 gehenna * modification, are permitted provided that the following conditions 11 1.5.2.2 gehenna * are met: 12 1.5.2.2 gehenna * 1. Redistributions of source code must retain the above copyright 13 1.5.2.2 gehenna * notice, this list of conditions and the following disclaimer. 14 1.5.2.2 gehenna * 2. Redistributions in binary form must reproduce the above copyright 15 1.5.2.2 gehenna * notice, this list of conditions and the following disclaimer in the 16 1.5.2.2 gehenna * documentation and/or other materials provided with the distribution. 17 1.5.2.2 gehenna * 3. All advertising materials mentioning features or use of this software 18 1.5.2.2 gehenna * must display the following acknowledgement: 19 1.5.2.2 gehenna * This product includes software developed for the NetBSD Project by 20 1.5.2.2 gehenna * Wasabi Systems, Inc. 21 1.5.2.2 gehenna * 4. The name of Wasabi Systems, Inc. may not be used to endorse 22 1.5.2.2 gehenna * or promote products derived from this software without specific prior 23 1.5.2.2 gehenna * written permission. 24 1.5.2.2 gehenna * 25 1.5.2.2 gehenna * THIS SOFTWARE IS PROVIDED BY WASABI SYSTEMS, INC. ``AS IS'' AND 26 1.5.2.2 gehenna * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 27 1.5.2.2 gehenna * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 28 1.5.2.2 gehenna * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL WASABI SYSTEMS, INC 29 1.5.2.2 gehenna * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 30 1.5.2.2 gehenna * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 31 1.5.2.2 gehenna * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 32 1.5.2.2 gehenna * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 33 1.5.2.2 gehenna * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 34 1.5.2.2 gehenna * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 35 1.5.2.2 gehenna * POSSIBILITY OF SUCH DAMAGE. 36 1.5.2.2 gehenna */ 37 1.5.2.2 gehenna 38 1.5.2.2 gehenna /* 39 1.5.2.2 gehenna * Copyright (c) 1996 Christopher G. Demetriou. All rights reserved. 40 1.5.2.2 gehenna * 41 1.5.2.2 gehenna * Redistribution and use in source and binary forms, with or without 42 1.5.2.2 gehenna * modification, are permitted provided that the following conditions 43 1.5.2.2 gehenna * are met: 44 1.5.2.2 gehenna * 1. Redistributions of source code must retain the above copyright 45 1.5.2.2 gehenna * notice, this list of conditions and the following disclaimer. 46 1.5.2.2 gehenna * 2. Redistributions in binary form must reproduce the above copyright 47 1.5.2.2 gehenna * notice, this list of conditions and the following disclaimer in the 48 1.5.2.2 gehenna * documentation and/or other materials provided with the distribution. 49 1.5.2.2 gehenna * 3. All advertising materials mentioning features or use of this software 50 1.5.2.2 gehenna * must display the following acknowledgement: 51 1.5.2.2 gehenna * This product includes software developed by Christopher G. Demetriou 52 1.5.2.2 gehenna * for the NetBSD Project. 53 1.5.2.2 gehenna * 4. The name of the author may not be used to endorse or promote products 54 1.5.2.2 gehenna * derived from this software without specific prior written permission 55 1.5.2.2 gehenna * 56 1.5.2.2 gehenna * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 57 1.5.2.2 gehenna * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 58 1.5.2.2 gehenna * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 59 1.5.2.2 gehenna * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 60 1.5.2.2 gehenna * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 61 1.5.2.2 gehenna * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 62 1.5.2.2 gehenna * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 63 1.5.2.2 gehenna * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 64 1.5.2.2 gehenna * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 65 1.5.2.2 gehenna * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 66 1.5.2.2 gehenna */ 67 1.5.2.2 gehenna 68 1.5.2.2 gehenna #include "locators.h" 69 1.5.2.2 gehenna 70 1.5.2.2 gehenna #include <sys/param.h> 71 1.5.2.2 gehenna #include <sys/systm.h> 72 1.5.2.2 gehenna #include <sys/device.h> 73 1.5.2.2 gehenna 74 1.5.2.2 gehenna #include <powerpc/spr.h> 75 1.5.2.2 gehenna #include <powerpc/ibm4xx/dev/opbvar.h> 76 1.5.2.2 gehenna #include <powerpc/ibm4xx/dev/plbvar.h> 77 1.5.2.2 gehenna #include <powerpc/ibm4xx/ibm405gp.h> 78 1.5.2.2 gehenna 79 1.5.2.2 gehenna /* 80 1.5.2.2 gehenna * The devices on the On-chip Peripheral Bus to the 405GP cpu. 81 1.5.2.2 gehenna */ 82 1.5.2.2 gehenna const struct opb_dev { 83 1.5.2.2 gehenna int pvr; 84 1.5.2.2 gehenna const char *name; 85 1.5.2.2 gehenna bus_addr_t addr; 86 1.5.2.2 gehenna int irq; 87 1.5.2.2 gehenna } opb_devs [] = { 88 1.5.2.2 gehenna { IBM405GP, "com", IBM405GP_UART0_BASE, 0 }, 89 1.5.2.2 gehenna { IBM405GP, "com", IBM405GP_UART1_BASE, 1 }, 90 1.5.2.2 gehenna { IBM405GP, "emac", IBM405GP_EMAC0_BASE, 9 }, /* XXX: really irq 9..15 */ 91 1.5.2.2 gehenna { IBM405GP, "gpio", IBM405GP_GPIO0_BASE, -1 }, 92 1.5.2.2 gehenna { IBM405GP, "iic", IBM405GP_IIC0_BASE, 2 }, 93 1.5.2.2 gehenna { IBM405GP, "wdog", -1, -1 }, 94 1.5.2.2 gehenna { 0, NULL } 95 1.5.2.2 gehenna }; 96 1.5.2.2 gehenna 97 1.5.2.2 gehenna static int opb_match(struct device *, struct cfdata *, void *); 98 1.5.2.2 gehenna static void opb_attach(struct device *, struct device *, void *); 99 1.5.2.2 gehenna static int opb_submatch(struct device *, struct cfdata *, void *); 100 1.5.2.2 gehenna static int opb_print(void *, const char *); 101 1.5.2.2 gehenna 102 1.5.2.2 gehenna struct cfattach opb_ca = { 103 1.5.2.2 gehenna sizeof(struct device), opb_match, opb_attach 104 1.5.2.2 gehenna }; 105 1.5.2.2 gehenna 106 1.5.2.2 gehenna 107 1.5.2.2 gehenna /* 108 1.5.2.2 gehenna * Probe for the opb; always succeeds. 109 1.5.2.2 gehenna */ 110 1.5.2.2 gehenna static int 111 1.5.2.2 gehenna opb_match(struct device *parent, struct cfdata *cf, void *aux) 112 1.5.2.2 gehenna { 113 1.5.2.2 gehenna struct opb_attach_args *oaa = aux; 114 1.5.2.2 gehenna 115 1.5.2.2 gehenna /* match only opb devices */ 116 1.5.2.2 gehenna if (strcmp(oaa->opb_name, cf->cf_driver->cd_name) != 0) 117 1.5.2.2 gehenna return (0); 118 1.5.2.2 gehenna 119 1.5.2.2 gehenna return (1); 120 1.5.2.2 gehenna } 121 1.5.2.2 gehenna 122 1.5.2.2 gehenna static int 123 1.5.2.2 gehenna opb_submatch(struct device *parent, struct cfdata *cf, void *aux) 124 1.5.2.2 gehenna { 125 1.5.2.2 gehenna struct opb_attach_args *oaa = aux; 126 1.5.2.2 gehenna 127 1.5.2.2 gehenna if (cf->cf_loc[OPBCF_ADDR] != OPBCF_ADDR_DEFAULT && 128 1.5.2.2 gehenna cf->cf_loc[OPBCF_ADDR] != oaa->opb_addr) 129 1.5.2.2 gehenna return (0); 130 1.5.2.2 gehenna 131 1.5.2.2 gehenna return ((*cf->cf_attach->ca_match)(parent, cf, aux)); 132 1.5.2.2 gehenna } 133 1.5.2.2 gehenna 134 1.5.2.2 gehenna /* 135 1.5.2.2 gehenna * Attach the on-chip peripheral bus. 136 1.5.2.2 gehenna */ 137 1.5.2.2 gehenna static void 138 1.5.2.2 gehenna opb_attach(struct device *parent, struct device *self, void *aux) 139 1.5.2.2 gehenna { 140 1.5.2.2 gehenna struct plb_attach_args *paa = aux; 141 1.5.2.2 gehenna struct opb_attach_args oaa; 142 1.5.2.2 gehenna int i, pvr; 143 1.5.2.2 gehenna 144 1.5.2.2 gehenna printf("\n"); 145 1.5.2.2 gehenna pvr = mfpvr() >> 16; 146 1.5.2.2 gehenna 147 1.5.2.2 gehenna for (i = 0; opb_devs[i].name != NULL; i++) { 148 1.5.2.2 gehenna if (opb_devs[i].pvr != pvr) 149 1.5.2.2 gehenna continue; 150 1.5.2.2 gehenna oaa.opb_name = opb_devs[i].name; 151 1.5.2.2 gehenna oaa.opb_addr = opb_devs[i].addr; 152 1.5.2.2 gehenna oaa.opb_irq = opb_devs[i].irq; 153 1.5.2.2 gehenna oaa.opb_bt = paa->plb_bt; 154 1.5.2.2 gehenna oaa.opb_dmat = paa->plb_dmat; 155 1.5.2.2 gehenna 156 1.5.2.2 gehenna (void) config_found_sm(self, &oaa, opb_print, opb_submatch); 157 1.5.2.2 gehenna } 158 1.5.2.2 gehenna } 159 1.5.2.2 gehenna 160 1.5.2.2 gehenna static int 161 1.5.2.2 gehenna opb_print(void *aux, const char *pnp) 162 1.5.2.2 gehenna { 163 1.5.2.2 gehenna struct opb_attach_args *oaa = aux; 164 1.5.2.2 gehenna 165 1.5.2.2 gehenna if (pnp) 166 1.5.2.2 gehenna printf("%s at %s", oaa->opb_name, pnp); 167 1.5.2.2 gehenna 168 1.5.2.2 gehenna if (oaa->opb_addr != OPBCF_ADDR_DEFAULT) 169 1.5.2.2 gehenna printf(" addr 0x%08lx", oaa->opb_addr); 170 1.5.2.2 gehenna if (oaa->opb_irq != OPBCF_IRQ_DEFAULT) 171 1.5.2.2 gehenna printf(" irq %d", oaa->opb_irq); 172 1.5.2.2 gehenna 173 1.5.2.2 gehenna return (UNCONF); 174 1.5.2.2 gehenna } 175
Indexes created Thu Oct 02 10:09:58 GMT 2025