opb.c revision 1.2.2.2
1 1.2.2.2 nathanw /* $NetBSD: opb.c,v 1.2.2.2 2002/08/13 02:18:43 nathanw Exp $ */ 2 1.2.2.2 nathanw 3 1.2.2.2 nathanw /* 4 1.2.2.2 nathanw * Copyright 2001,2002 Wasabi Systems, Inc. 5 1.2.2.2 nathanw * All rights reserved. 6 1.2.2.2 nathanw * 7 1.2.2.2 nathanw * Written by Eduardo Horvath and Simon Burge for Wasabi Systems, Inc. 8 1.2.2.2 nathanw * 9 1.2.2.2 nathanw * Redistribution and use in source and binary forms, with or without 10 1.2.2.2 nathanw * modification, are permitted provided that the following conditions 11 1.2.2.2 nathanw * are met: 12 1.2.2.2 nathanw * 1. Redistributions of source code must retain the above copyright 13 1.2.2.2 nathanw * notice, this list of conditions and the following disclaimer. 14 1.2.2.2 nathanw * 2. Redistributions in binary form must reproduce the above copyright 15 1.2.2.2 nathanw * notice, this list of conditions and the following disclaimer in the 16 1.2.2.2 nathanw * documentation and/or other materials provided with the distribution. 17 1.2.2.2 nathanw * 3. All advertising materials mentioning features or use of this software 18 1.2.2.2 nathanw * must display the following acknowledgement: 19 1.2.2.2 nathanw * This product includes software developed for the NetBSD Project by 20 1.2.2.2 nathanw * Wasabi Systems, Inc. 21 1.2.2.2 nathanw * 4. The name of Wasabi Systems, Inc. may not be used to endorse 22 1.2.2.2 nathanw * or promote products derived from this software without specific prior 23 1.2.2.2 nathanw * written permission. 24 1.2.2.2 nathanw * 25 1.2.2.2 nathanw * THIS SOFTWARE IS PROVIDED BY WASABI SYSTEMS, INC. ``AS IS'' AND 26 1.2.2.2 nathanw * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 27 1.2.2.2 nathanw * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 28 1.2.2.2 nathanw * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL WASABI SYSTEMS, INC 29 1.2.2.2 nathanw * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 30 1.2.2.2 nathanw * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 31 1.2.2.2 nathanw * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 32 1.2.2.2 nathanw * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 33 1.2.2.2 nathanw * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 34 1.2.2.2 nathanw * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 35 1.2.2.2 nathanw * POSSIBILITY OF SUCH DAMAGE. 36 1.2.2.2 nathanw */ 37 1.2.2.2 nathanw 38 1.2.2.2 nathanw /* 39 1.2.2.2 nathanw * Copyright (c) 1996 Christopher G. Demetriou. All rights reserved. 40 1.2.2.2 nathanw * 41 1.2.2.2 nathanw * Redistribution and use in source and binary forms, with or without 42 1.2.2.2 nathanw * modification, are permitted provided that the following conditions 43 1.2.2.2 nathanw * are met: 44 1.2.2.2 nathanw * 1. Redistributions of source code must retain the above copyright 45 1.2.2.2 nathanw * notice, this list of conditions and the following disclaimer. 46 1.2.2.2 nathanw * 2. Redistributions in binary form must reproduce the above copyright 47 1.2.2.2 nathanw * notice, this list of conditions and the following disclaimer in the 48 1.2.2.2 nathanw * documentation and/or other materials provided with the distribution. 49 1.2.2.2 nathanw * 3. All advertising materials mentioning features or use of this software 50 1.2.2.2 nathanw * must display the following acknowledgement: 51 1.2.2.2 nathanw * This product includes software developed by Christopher G. Demetriou 52 1.2.2.2 nathanw * for the NetBSD Project. 53 1.2.2.2 nathanw * 4. The name of the author may not be used to endorse or promote products 54 1.2.2.2 nathanw * derived from this software without specific prior written permission 55 1.2.2.2 nathanw * 56 1.2.2.2 nathanw * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 57 1.2.2.2 nathanw * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 58 1.2.2.2 nathanw * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 59 1.2.2.2 nathanw * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 60 1.2.2.2 nathanw * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 61 1.2.2.2 nathanw * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 62 1.2.2.2 nathanw * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 63 1.2.2.2 nathanw * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 64 1.2.2.2 nathanw * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 65 1.2.2.2 nathanw * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 66 1.2.2.2 nathanw */ 67 1.2.2.2 nathanw 68 1.2.2.2 nathanw #include "locators.h" 69 1.2.2.2 nathanw 70 1.2.2.2 nathanw #include <sys/param.h> 71 1.2.2.2 nathanw #include <sys/systm.h> 72 1.2.2.2 nathanw #include <sys/device.h> 73 1.2.2.2 nathanw #include <sys/extent.h> 74 1.2.2.2 nathanw #include <sys/malloc.h> 75 1.2.2.2 nathanw 76 1.2.2.2 nathanw #define _GALAXY_BUS_DMA_PRIVATE 77 1.2.2.2 nathanw #include <machine/walnut.h> 78 1.2.2.2 nathanw 79 1.2.2.2 nathanw #include <powerpc/spr.h> 80 1.2.2.2 nathanw #include <powerpc/ibm4xx/dev/opbvar.h> 81 1.2.2.2 nathanw #include <powerpc/ibm4xx/ibm405gp.h> 82 1.2.2.2 nathanw 83 1.2.2.2 nathanw /* 84 1.2.2.2 nathanw * The devices on the On-chip Peripheral Bus to the 405GP cpu. 85 1.2.2.2 nathanw */ 86 1.2.2.2 nathanw const struct opb_dev { 87 1.2.2.2 nathanw int pvr; 88 1.2.2.2 nathanw const char *name; 89 1.2.2.2 nathanw bus_addr_t addr; 90 1.2.2.2 nathanw int irq; 91 1.2.2.2 nathanw } opb_devs [] = { 92 1.2.2.2 nathanw { IBM405GP, "com", UART0_BASE, 0 }, 93 1.2.2.2 nathanw { IBM405GP, "com", UART1_BASE, 1 }, 94 1.2.2.2 nathanw { IBM405GP, "emac", EMAC0_BASE, 9 }, /* XXX: really irq 9..15 */ 95 1.2.2.2 nathanw { IBM405GP, "gpio", GPIO0_BASE, -1 }, 96 1.2.2.2 nathanw { IBM405GP, "iic", IIC0_BASE, 2 }, 97 1.2.2.2 nathanw { IBM405GP, "wdog", -1, -1 }, 98 1.2.2.2 nathanw { 0, NULL } 99 1.2.2.2 nathanw }; 100 1.2.2.2 nathanw 101 1.2.2.2 nathanw static int opb_match(struct device *, struct cfdata *, void *); 102 1.2.2.2 nathanw static void opb_attach(struct device *, struct device *, void *); 103 1.2.2.2 nathanw static int opb_submatch(struct device *, struct cfdata *, void *); 104 1.2.2.2 nathanw static int opb_print(void *, const char *); 105 1.2.2.2 nathanw 106 1.2.2.2 nathanw struct cfattach opb_ca = { 107 1.2.2.2 nathanw sizeof(struct device), opb_match, opb_attach 108 1.2.2.2 nathanw }; 109 1.2.2.2 nathanw 110 1.2.2.2 nathanw 111 1.2.2.2 nathanw /* 112 1.2.2.2 nathanw * Probe for the opb; always succeeds. 113 1.2.2.2 nathanw */ 114 1.2.2.2 nathanw static int 115 1.2.2.2 nathanw opb_match(struct device *parent, struct cfdata *cf, void *aux) 116 1.2.2.2 nathanw { 117 1.2.2.2 nathanw struct opb_attach_args *oaa = aux; 118 1.2.2.2 nathanw 119 1.2.2.2 nathanw /* match only opb devices */ 120 1.2.2.2 nathanw if (strcmp(oaa->opb_name, cf->cf_driver->cd_name) != 0) 121 1.2.2.2 nathanw return (0); 122 1.2.2.2 nathanw 123 1.2.2.2 nathanw return (1); 124 1.2.2.2 nathanw } 125 1.2.2.2 nathanw 126 1.2.2.2 nathanw static int 127 1.2.2.2 nathanw opb_submatch(struct device *parent, struct cfdata *cf, void *aux) 128 1.2.2.2 nathanw { 129 1.2.2.2 nathanw struct opb_attach_args *oaa = aux; 130 1.2.2.2 nathanw 131 1.2.2.2 nathanw if (cf->cf_loc[OPBCF_ADDR] != OPBCF_ADDR_DEFAULT && 132 1.2.2.2 nathanw cf->cf_loc[OPBCF_ADDR] != oaa->opb_addr) 133 1.2.2.2 nathanw return (0); 134 1.2.2.2 nathanw 135 1.2.2.2 nathanw return ((*cf->cf_attach->ca_match)(parent, cf, aux)); 136 1.2.2.2 nathanw } 137 1.2.2.2 nathanw 138 1.2.2.2 nathanw /* 139 1.2.2.2 nathanw * Attach the on-chip peripheral bus. 140 1.2.2.2 nathanw */ 141 1.2.2.2 nathanw static void 142 1.2.2.2 nathanw opb_attach(struct device *parent, struct device *self, void *aux) 143 1.2.2.2 nathanw { 144 1.2.2.2 nathanw struct opb_attach_args oaa; 145 1.2.2.2 nathanw int i, pvr; 146 1.2.2.2 nathanw 147 1.2.2.2 nathanw printf("\n"); 148 1.2.2.2 nathanw pvr = mfpvr() >> 16; 149 1.2.2.2 nathanw 150 1.2.2.2 nathanw for (i = 0; opb_devs[i].name != NULL; i++) { 151 1.2.2.2 nathanw if (opb_devs[i].pvr != pvr) 152 1.2.2.2 nathanw continue; 153 1.2.2.2 nathanw oaa.opb_name = opb_devs[i].name; 154 1.2.2.2 nathanw oaa.opb_addr = opb_devs[i].addr; 155 1.2.2.2 nathanw oaa.opb_irq = opb_devs[i].irq; 156 1.2.2.2 nathanw oaa.opb_bt = galaxy_make_bus_space_tag(0, 0); 157 1.2.2.2 nathanw oaa.opb_dmat = &galaxy_default_bus_dma_tag; 158 1.2.2.2 nathanw 159 1.2.2.2 nathanw (void) config_found_sm(self, &oaa, opb_print, opb_submatch); 160 1.2.2.2 nathanw } 161 1.2.2.2 nathanw } 162 1.2.2.2 nathanw 163 1.2.2.2 nathanw static int 164 1.2.2.2 nathanw opb_print(void *aux, const char *pnp) 165 1.2.2.2 nathanw { 166 1.2.2.2 nathanw struct opb_attach_args *oaa = aux; 167 1.2.2.2 nathanw 168 1.2.2.2 nathanw if (pnp) 169 1.2.2.2 nathanw printf("%s at %s", oaa->opb_name, pnp); 170 1.2.2.2 nathanw 171 1.2.2.2 nathanw if (oaa->opb_addr != OPBCF_ADDR_DEFAULT) 172 1.2.2.2 nathanw printf(" addr 0x%08lx", oaa->opb_addr); 173 1.2.2.2 nathanw if (oaa->opb_irq != OPBCF_IRQ_DEFAULT) 174 1.2.2.2 nathanw printf(" irq %d", oaa->opb_irq); 175 1.2.2.2 nathanw 176 1.2.2.2 nathanw return (UNCONF); 177 1.2.2.2 nathanw } 178
Indexes created Thu Oct 02 10:09:58 GMT 2025