1 /* $NetBSD: autoconf.h,v 1.51 2022/05/22 11:27:34 andvar 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 #ifndef _MACHINE_AUTOCONF_H_ 73 #define _MACHINE_AUTOCONF_H_ 74 75 /* 76 * Autoconfiguration information. 77 */ 78 79 #include <sys/bus.h> 80 #include <machine/bsd_openprom.h> 81 #include <machine/promlib.h> 82 #include <dev/sbus/sbusvar.h> 83 84 /* 85 * Most devices are configured according to information kept in 86 * the FORTH PROMs. In particular, we extract the `name', `reg', 87 * and `address' properties of each device attached to the mainbus; 88 * other drives may also use this information. The mainbus itself 89 * (which `is' the CPU, in some sense) gets just the node, with a 90 * fake name ("mainbus"). 91 */ 92 93 /* Device register space description */ 94 struct rom_reg { 95 uint32_t rr_iospace; /* register space (obio, etc) */ 96 uint32_t rr_paddr; /* register physical address */ 97 uint32_t rr_len; /* register length */ 98 }; 99 100 /* Interrupt information */ 101 struct rom_intr { 102 uint32_t int_pri; /* priority (IPL) */ 103 uint32_t int_vec; /* vector (always 0?) */ 104 }; 105 106 /* Address translation across busses */ 107 struct rom_range { /* Only used on v3 PROMs */ 108 uint32_t cspace; /* Client space */ 109 uint32_t coffset; /* Client offset */ 110 uint32_t pspace; /* Parent space */ 111 uint32_t poffset; /* Parent offset */ 112 uint32_t size; /* Size in bytes of this range */ 113 }; 114 115 /* Attach arguments presented by mainbus_attach() */ 116 struct mainbus_attach_args { 117 bus_space_tag_t ma_bustag; /* parent bus tag */ 118 bus_dma_tag_t ma_dmatag; 119 const char *ma_name; /* PROM node name */ 120 int ma_node; /* PROM handle */ 121 bus_addr_t ma_paddr; /* register physical address */ 122 bus_size_t ma_size; /* register physical size */ 123 int ma_pri; /* priority (IPL) */ 124 void *ma_promvaddr; /* PROM virtual address, if any */ 125 }; 126 127 /* Attach arguments presented to devices by obio_attach() (sun4 only) */ 128 struct obio4_attach_args { 129 int oba_placeholder;/* obio/sbus attach args sharing */ 130 bus_space_tag_t oba_bustag; /* parent bus tag */ 131 bus_dma_tag_t oba_dmatag; 132 bus_addr_t oba_paddr; /* register physical address */ 133 int oba_pri; /* interrupt priority (IPL) */ 134 }; 135 136 union obio_attach_args { 137 /* sun4m obio space is treated like an sbus slot */ 138 int uoba_isobio4; 139 struct sbus_attach_args uoba_sbus; /* Sbus view */ 140 struct obio4_attach_args uoba_oba4; /* sun4 on-board view */ 141 }; 142 143 /* obio specific bus flag */ 144 #define OBIO_BUS_MAP_USE_ROM BUS_SPACE_MAP_BUS1 145 146 /* obio bus helper that finds ROM mappings; exported for autoconf.c */ 147 int obio_find_rom_map(bus_addr_t, int, bus_space_handle_t *); 148 149 150 /* 151 * The matchbyname function is useful in drivers that are matched 152 * by romaux name, i.e., all `mainbus attached' devices. It expects 153 * its aux pointer to point to a pointer to the name (the address of 154 * a romaux structure suffices, for instance). (OBSOLETE) 155 */ 156 int matchbyname(device_t, cfdata_t, void *); 157 158 /* 159 * `clockfreq' produces a printable representation of a clock frequency 160 * (this is just a frill). 161 */ 162 char *clockfreq(int freq); 163 164 /* Openprom V2 style boot path */ 165 struct bootpath { 166 char name[16]; /* name of this node */ 167 int val[3]; /* up to three optional values */ 168 device_t dev; /* device that recognised this component */ 169 }; 170 171 /* Parse a disk string into a dev_t, return device struct pointer */ 172 device_t parsedisk(char *, int, int, dev_t *); 173 174 /* Establish a mountroot_hook, for benefit of floppy drive, mostly. */ 175 void mountroot_hook_establish(void (*)(device_t), device_t); 176 177 void bootstrap(void); 178 int romgetcursoraddr(int **, int **); 179 180 /* Exported from autoconf.c for other consumers. */ 181 extern char machine_model[100]; 182 extern struct sparc_bus_dma_tag mainbus_dma_tag; 183 extern struct sparc_bus_space_tag mainbus_space_tag; 184 185 #endif /* !_MACHINE_AUTOCONF_H_ */ 186