1 /* $NetBSD: autoconf.h,v 1.34 2002/03/11 16:06:42 pk Exp $ */ 2 3 /*- 4 * Copyright (c) 1997, 1998 The NetBSD Foundation, Inc. 5 * All rights reserved. 6 * 7 * This code is derived from software contributed to The NetBSD Foundation 8 * by Paul Kranenburg. 9 * 10 * Redistribution and use in source and binary forms, with or without 11 * modification, are permitted provided that the following conditions 12 * are met: 13 * 1. Redistributions of source code must retain the above copyright 14 * notice, this list of conditions and the following disclaimer. 15 * 2. Redistributions in binary form must reproduce the above copyright 16 * notice, this list of conditions and the following disclaimer in the 17 * documentation and/or other materials provided with the distribution. 18 * 3. All advertising materials mentioning features or use of this software 19 * must display the following acknowledgement: 20 * This product includes software developed by the NetBSD 21 * Foundation, Inc. and its contributors. 22 * 4. Neither the name of The NetBSD Foundation nor the names of its 23 * contributors may be used to endorse or promote products derived 24 * from this software without specific prior written permission. 25 * 26 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 27 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 28 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 29 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 30 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 31 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 32 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 33 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 34 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 35 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 36 * POSSIBILITY OF SUCH DAMAGE. 37 */ 38 39 /* 40 * Copyright (c) 1992, 1993 41 * The Regents of the University of California. All rights reserved. 42 * 43 * This software was developed by the Computer Systems Engineering group 44 * at Lawrence Berkeley Laboratory under DARPA contract BG 91-66 and 45 * contributed to Berkeley. 46 * 47 * All advertising materials mentioning features or use of this software 48 * must display the following acknowledgement: 49 * This product includes software developed by the University of 50 * California, Lawrence Berkeley Laboratory. 51 * 52 * Redistribution and use in source and binary forms, with or without 53 * modification, are permitted provided that the following conditions 54 * are met: 55 * 1. Redistributions of source code must retain the above copyright 56 * notice, this list of conditions and the following disclaimer. 57 * 2. Redistributions in binary form must reproduce the above copyright 58 * notice, this list of conditions and the following disclaimer in the 59 * documentation and/or other materials provided with the distribution. 60 * 3. All advertising materials mentioning features or use of this software 61 * must display the following acknowledgement: 62 * This product includes software developed by the University of 63 * California, Berkeley and its contributors. 64 * 4. Neither the name of the University nor the names of its contributors 65 * may be used to endorse or promote products derived from this software 66 * without specific prior written permission. 67 * 68 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 69 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 70 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 71 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 72 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 73 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 74 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 75 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 76 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 77 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 78 * SUCH DAMAGE. 79 * 80 * @(#)autoconf.h 8.2 (Berkeley) 9/30/93 81 */ 82 83 /* 84 * Autoconfiguration information. 85 */ 86 87 #include <machine/bus.h> 88 #include <machine/bsd_openprom.h> 89 #include <machine/promlib.h> 90 #include <dev/sbus/sbusvar.h> 91 92 /* 93 * Most devices are configured according to information kept in 94 * the FORTH PROMs. In particular, we extract the `name', `reg', 95 * and `address' properties of each device attached to the mainbus; 96 * other drives may also use this information. The mainbus itself 97 * (which `is' the CPU, in some sense) gets just the node, with a 98 * fake name ("mainbus"). 99 */ 100 101 /* Device register space description */ 102 struct rom_reg { 103 u_int32_t rr_iospace; /* register space (obio, etc) */ 104 u_int32_t rr_paddr; /* register physical address */ 105 u_int32_t rr_len; /* register length */ 106 }; 107 108 /* Interrupt information */ 109 struct rom_intr { 110 u_int32_t int_pri; /* priority (IPL) */ 111 u_int32_t int_vec; /* vector (always 0?) */ 112 }; 113 114 /* Address translation accross busses */ 115 struct rom_range { /* Only used on v3 PROMs */ 116 u_int32_t cspace; /* Client space */ 117 u_int32_t coffset; /* Client offset */ 118 u_int32_t pspace; /* Parent space */ 119 u_int32_t poffset; /* Parent offset */ 120 u_int32_t size; /* Size in bytes of this range */ 121 }; 122 123 /* Attach arguments presented by mainbus_attach() */ 124 struct mainbus_attach_args { 125 bus_space_tag_t ma_bustag; /* parent bus tag */ 126 bus_dma_tag_t ma_dmatag; 127 char *ma_name; /* PROM node name */ 128 int ma_node; /* PROM handle */ 129 bus_addr_t ma_paddr; /* register physical address */ 130 bus_size_t ma_size; /* register physical size */ 131 int ma_pri; /* priority (IPL) */ 132 void *ma_promvaddr; /* PROM virtual address, if any */ 133 }; 134 135 /* Attach arguments presented to devices by obio_attach() (sun4 only) */ 136 struct obio4_attach_args { 137 int oba_placeholder;/* obio/sbus attach args sharing */ 138 bus_space_tag_t oba_bustag; /* parent bus tag */ 139 bus_dma_tag_t oba_dmatag; 140 bus_addr_t oba_paddr; /* register physical address */ 141 int oba_pri; /* interrupt priority (IPL) */ 142 }; 143 144 union obio_attach_args { 145 /* sun4m obio space is treated like an sbus slot */ 146 int uoba_isobio4; 147 struct sbus_attach_args uoba_sbus; /* Sbus view */ 148 struct obio4_attach_args uoba_oba4; /* sun4 on-board view */ 149 }; 150 151 /* obio specific bus flag */ 152 #define OBIO_BUS_MAP_USE_ROM BUS_SPACE_MAP_BUS1 153 154 /* obio bus helper that finds ROM mappings; exported for autoconf.c */ 155 int obio_find_rom_map __P((bus_addr_t, int, bus_space_handle_t *)); 156 157 158 /* 159 * The matchbyname function is useful in drivers that are matched 160 * by romaux name, i.e., all `mainbus attached' devices. It expects 161 * its aux pointer to point to a pointer to the name (the address of 162 * a romaux structure suffices, for instance). (OBSOLETE) 163 */ 164 struct device; 165 struct cfdata; 166 int matchbyname __P((struct device *, struct cfdata *cf, void *aux)); 167 168 /* 169 * `clockfreq' produces a printable representation of a clock frequency 170 * (this is just a frill). 171 */ 172 char *clockfreq __P((int freq)); 173 174 /* 175 * Memory description arrays. Shared between pmap.c and autoconf.c; no 176 * one else should use this (except maybe mem.c, e.g., if we fix the VM to 177 * handle discontiguous physical memory). 178 */ 179 struct memarr { 180 paddr_t addr; 181 psize_t len; 182 }; 183 int makememarr(struct memarr *, int max, int which); 184 #define MEMARR_AVAILPHYS 0 185 #define MEMARR_TOTALPHYS 1 186 187 /* Openprom V2 style boot path */ 188 struct bootpath { 189 char name[16]; /* name of this node */ 190 int val[3]; /* up to three optional values */ 191 struct device *dev; /* device that recognised this component */ 192 }; 193 194 #if 0 195 struct bootpath *bootpath_store __P((int, struct bootpath *)); 196 #endif 197 int sd_crazymap __P((int)); 198 199 /* Parse a disk string into a dev_t, return device struct pointer */ 200 struct device *parsedisk __P((char *, int, int, dev_t *)); 201 202 /* Establish a mountroot_hook, for benefit of floppy drive, mostly. */ 203 void mountroot_hook_establish __P((void (*) __P((struct device *)), 204 struct device *)); 205 206 void bootstrap __P((void)); 207 struct device *getdevunit __P((char *, int)); 208 int romgetcursoraddr __P((int **, int **)); 209