1 /* $NetBSD: autoconf.h,v 1.48 2012/10/27 17:18:11 chs 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 * 19 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 20 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 21 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 22 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 23 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 24 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 25 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 26 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 27 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 28 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 29 * POSSIBILITY OF SUCH DAMAGE. 30 */ 31 32 /* 33 * Copyright (c) 1992, 1993 34 * The Regents of the University of California. All rights reserved. 35 * 36 * This software was developed by the Computer Systems Engineering group 37 * at Lawrence Berkeley Laboratory under DARPA contract BG 91-66 and 38 * contributed to Berkeley. 39 * 40 * All advertising materials mentioning features or use of this software 41 * must display the following acknowledgement: 42 * This product includes software developed by the University of 43 * California, Lawrence Berkeley Laboratory. 44 * 45 * Redistribution and use in source and binary forms, with or without 46 * modification, are permitted provided that the following conditions 47 * are met: 48 * 1. Redistributions of source code must retain the above copyright 49 * notice, this list of conditions and the following disclaimer. 50 * 2. Redistributions in binary form must reproduce the above copyright 51 * notice, this list of conditions and the following disclaimer in the 52 * documentation and/or other materials provided with the distribution. 53 * 3. Neither the name of the University nor the names of its contributors 54 * may be used to endorse or promote products derived from this software 55 * without specific prior written permission. 56 * 57 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 58 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 59 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 60 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 61 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 62 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 63 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 64 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 65 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 66 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 67 * SUCH DAMAGE. 68 * 69 * @(#)autoconf.h 8.2 (Berkeley) 9/30/93 70 */ 71 72 /* 73 * Autoconfiguration information. 74 */ 75 76 #include <sys/bus.h> 77 #include <machine/bsd_openprom.h> 78 #include <machine/promlib.h> 79 #include <dev/sbus/sbusvar.h> 80 81 /* 82 * Most devices are configured according to information kept in 83 * the FORTH PROMs. In particular, we extract the `name', `reg', 84 * and `address' properties of each device attached to the mainbus; 85 * other drives may also use this information. The mainbus itself 86 * (which `is' the CPU, in some sense) gets just the node, with a 87 * fake name ("mainbus"). 88 */ 89 90 /* Device register space description */ 91 struct rom_reg { 92 uint32_t rr_iospace; /* register space (obio, etc) */ 93 uint32_t rr_paddr; /* register physical address */ 94 uint32_t rr_len; /* register length */ 95 }; 96 97 /* Interrupt information */ 98 struct rom_intr { 99 uint32_t int_pri; /* priority (IPL) */ 100 uint32_t int_vec; /* vector (always 0?) */ 101 }; 102 103 /* Address translation accross busses */ 104 struct rom_range { /* Only used on v3 PROMs */ 105 uint32_t cspace; /* Client space */ 106 uint32_t coffset; /* Client offset */ 107 uint32_t pspace; /* Parent space */ 108 uint32_t poffset; /* Parent offset */ 109 uint32_t size; /* Size in bytes of this range */ 110 }; 111 112 /* Attach arguments presented by mainbus_attach() */ 113 struct mainbus_attach_args { 114 bus_space_tag_t ma_bustag; /* parent bus tag */ 115 bus_dma_tag_t ma_dmatag; 116 const char *ma_name; /* PROM node name */ 117 int ma_node; /* PROM handle */ 118 bus_addr_t ma_paddr; /* register physical address */ 119 bus_size_t ma_size; /* register physical size */ 120 int ma_pri; /* priority (IPL) */ 121 void *ma_promvaddr; /* PROM virtual address, if any */ 122 }; 123 124 /* Attach arguments presented to devices by obio_attach() (sun4 only) */ 125 struct obio4_attach_args { 126 int oba_placeholder;/* obio/sbus attach args sharing */ 127 bus_space_tag_t oba_bustag; /* parent bus tag */ 128 bus_dma_tag_t oba_dmatag; 129 bus_addr_t oba_paddr; /* register physical address */ 130 int oba_pri; /* interrupt priority (IPL) */ 131 }; 132 133 union obio_attach_args { 134 /* sun4m obio space is treated like an sbus slot */ 135 int uoba_isobio4; 136 struct sbus_attach_args uoba_sbus; /* Sbus view */ 137 struct obio4_attach_args uoba_oba4; /* sun4 on-board view */ 138 }; 139 140 /* obio specific bus flag */ 141 #define OBIO_BUS_MAP_USE_ROM BUS_SPACE_MAP_BUS1 142 143 /* obio bus helper that finds ROM mappings; exported for autoconf.c */ 144 int obio_find_rom_map(bus_addr_t, int, bus_space_handle_t *); 145 146 147 /* 148 * The matchbyname function is useful in drivers that are matched 149 * by romaux name, i.e., all `mainbus attached' devices. It expects 150 * its aux pointer to point to a pointer to the name (the address of 151 * a romaux structure suffices, for instance). (OBSOLETE) 152 */ 153 int matchbyname(device_t, cfdata_t, void *); 154 155 /* 156 * `clockfreq' produces a printable representation of a clock frequency 157 * (this is just a frill). 158 */ 159 char *clockfreq(int freq); 160 161 /* Openprom V2 style boot path */ 162 struct bootpath { 163 char name[16]; /* name of this node */ 164 int val[3]; /* up to three optional values */ 165 device_t dev; /* device that recognised this component */ 166 }; 167 168 /* Parse a disk string into a dev_t, return device struct pointer */ 169 device_t parsedisk(char *, int, int, dev_t *); 170 171 /* Establish a mountroot_hook, for benefit of floppy drive, mostly. */ 172 void mountroot_hook_establish(void (*)(device_t), device_t); 173 174 void bootstrap(void); 175 int romgetcursoraddr(int **, int **); 176