1 /* $NetBSD: autoconf.h,v 1.39 2004/06/28 10:14:13 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. Neither the name of the University nor the names of its contributors 61 * may be used to endorse or promote products derived from this software 62 * without specific prior written permission. 63 * 64 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 65 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 66 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 67 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 68 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 69 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 70 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 71 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 72 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 73 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 74 * SUCH DAMAGE. 75 * 76 * @(#)autoconf.h 8.2 (Berkeley) 9/30/93 77 */ 78 79 /* 80 * Autoconfiguration information. 81 */ 82 83 #include <machine/bus.h> 84 #include <machine/bsd_openprom.h> 85 #include <machine/promlib.h> 86 #include <dev/sbus/sbusvar.h> 87 88 /* 89 * Most devices are configured according to information kept in 90 * the FORTH PROMs. In particular, we extract the `name', `reg', 91 * and `address' properties of each device attached to the mainbus; 92 * other drives may also use this information. The mainbus itself 93 * (which `is' the CPU, in some sense) gets just the node, with a 94 * fake name ("mainbus"). 95 */ 96 97 /* Device register space description */ 98 struct rom_reg { 99 u_int32_t rr_iospace; /* register space (obio, etc) */ 100 u_int32_t rr_paddr; /* register physical address */ 101 u_int32_t rr_len; /* register length */ 102 }; 103 104 /* Interrupt information */ 105 struct rom_intr { 106 u_int32_t int_pri; /* priority (IPL) */ 107 u_int32_t int_vec; /* vector (always 0?) */ 108 }; 109 110 /* Address translation accross busses */ 111 struct rom_range { /* Only used on v3 PROMs */ 112 u_int32_t cspace; /* Client space */ 113 u_int32_t coffset; /* Client offset */ 114 u_int32_t pspace; /* Parent space */ 115 u_int32_t poffset; /* Parent offset */ 116 u_int32_t size; /* Size in bytes of this range */ 117 }; 118 119 /* Attach arguments presented by mainbus_attach() */ 120 struct mainbus_attach_args { 121 bus_space_tag_t ma_bustag; /* parent bus tag */ 122 bus_dma_tag_t ma_dmatag; 123 char *ma_name; /* PROM node name */ 124 int ma_node; /* PROM handle */ 125 bus_addr_t ma_paddr; /* register physical address */ 126 bus_size_t ma_size; /* register physical size */ 127 int ma_pri; /* priority (IPL) */ 128 void *ma_promvaddr; /* PROM virtual address, if any */ 129 }; 130 131 /* Attach arguments presented to devices by obio_attach() (sun4 only) */ 132 struct obio4_attach_args { 133 int oba_placeholder;/* obio/sbus attach args sharing */ 134 bus_space_tag_t oba_bustag; /* parent bus tag */ 135 bus_dma_tag_t oba_dmatag; 136 bus_addr_t oba_paddr; /* register physical address */ 137 int oba_pri; /* interrupt priority (IPL) */ 138 }; 139 140 union obio_attach_args { 141 /* sun4m obio space is treated like an sbus slot */ 142 int uoba_isobio4; 143 struct sbus_attach_args uoba_sbus; /* Sbus view */ 144 struct obio4_attach_args uoba_oba4; /* sun4 on-board view */ 145 }; 146 147 /* obio specific bus flag */ 148 #define OBIO_BUS_MAP_USE_ROM BUS_SPACE_MAP_BUS1 149 150 /* obio bus helper that finds ROM mappings; exported for autoconf.c */ 151 int obio_find_rom_map __P((bus_addr_t, int, bus_space_handle_t *)); 152 153 154 /* 155 * The matchbyname function is useful in drivers that are matched 156 * by romaux name, i.e., all `mainbus attached' devices. It expects 157 * its aux pointer to point to a pointer to the name (the address of 158 * a romaux structure suffices, for instance). (OBSOLETE) 159 */ 160 struct device; 161 struct cfdata; 162 int matchbyname __P((struct device *, struct cfdata *cf, void *aux)); 163 164 /* 165 * `clockfreq' produces a printable representation of a clock frequency 166 * (this is just a frill). 167 */ 168 char *clockfreq __P((int freq)); 169 170 /* Openprom V2 style boot path */ 171 struct bootpath { 172 char name[16]; /* name of this node */ 173 int val[3]; /* up to three optional values */ 174 struct device *dev; /* device that recognised this component */ 175 }; 176 177 /* Parse a disk string into a dev_t, return device struct pointer */ 178 struct device *parsedisk __P((char *, int, int, dev_t *)); 179 180 /* Establish a mountroot_hook, for benefit of floppy drive, mostly. */ 181 void mountroot_hook_establish __P((void (*) __P((struct device *)), 182 struct device *)); 183 184 void bootstrap __P((void)); 185 struct device *getdevunit __P((char *, int)); 186 int romgetcursoraddr __P((int **, int **)); 187