/* $NetBSD: autoconf.h,v 1.25 1998/04/07 20:08:29 pk Exp $ */ /*- * Copyright (c) 1997, 1998 The NetBSD Foundation, Inc. * All rights reserved. * * This code is derived from software contributed to The NetBSD Foundation * by Paul Kranenburg. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. All advertising materials mentioning features or use of this software * must display the following acknowledgement: * This product includes software developed by the NetBSD * Foundation, Inc. and its contributors. * 4. Neither the name of The NetBSD Foundation nor the names of its * contributors may be used to endorse or promote products derived * from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE * POSSIBILITY OF SUCH DAMAGE. */ /* * Copyright (c) 1992, 1993 * The Regents of the University of California. All rights reserved. * * This software was developed by the Computer Systems Engineering group * at Lawrence Berkeley Laboratory under DARPA contract BG 91-66 and * contributed to Berkeley. * * All advertising materials mentioning features or use of this software * must display the following acknowledgement: * This product includes software developed by the University of * California, Lawrence Berkeley Laboratory. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. All advertising materials mentioning features or use of this software * must display the following acknowledgement: * This product includes software developed by the University of * California, Berkeley and its contributors. * 4. Neither the name of the University nor the names of its contributors * may be used to endorse or promote products derived from this software * without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. * * @(#)autoconf.h 8.2 (Berkeley) 9/30/93 */ /* * Autoconfiguration information. */ #include #include /* * Most devices are configured according to information kept in * the FORTH PROMs. In particular, we extract the `name', `reg', * and `address' properties of each device attached to the mainbus; * other drives may also use this information. The mainbus itself * (which `is' the CPU, in some sense) gets just the node, with a * fake name ("mainbus"). */ /* Device register space description */ struct rom_reg { u_int32_t rr_iospace; /* register space (obio, etc) */ u_int32_t rr_paddr; /* register physical address */ u_int32_t rr_len; /* register length */ }; /* Interrupt information */ struct rom_intr { u_int32_t int_pri; /* priority (IPL) */ u_int32_t int_vec; /* vector (always 0?) */ }; /* Address translation accross busses */ struct rom_range { /* Only used on v3 PROMs */ u_int32_t cspace; /* Client space */ u_int32_t coffset; /* Client offset */ u_int32_t pspace; /* Parent space */ u_int32_t poffset; /* Parent offset */ u_int32_t size; /* Size in bytes of this range */ }; /* Attach arguments presented by mainbus_attach() */ struct mainbus_attach_args { bus_space_tag_t ma_bustag; /* parent bus tag */ bus_dma_tag_t ma_dmatag; char *ma_name; /* PROM node name */ int ma_node; /* PROM handle */ bus_type_t ma_iospace; /* device I/O space */ bus_addr_t ma_paddr; /* register physical address */ int ma_size; /* register physical size */ int ma_pri; /* priority (IPL) */ void *ma_promvaddr; /* PROM virtual address, if any */ struct bootpath *ma_bp; /* used for locating boot device */ }; /* Attach arguments presented to devices by obio_attach() (sun4 only) */ struct obio4_attach_args { int oba_placeholder;/* obio/sbus attach args sharing */ bus_space_tag_t oba_bustag; /* parent bus tag */ bus_dma_tag_t oba_dmatag; bus_addr_t oba_paddr; /* register physical address */ int oba_pri; /* interrupt priority (IPL) */ struct bootpath *oba_bp; /* used for locating boot device */ }; union obio_attach_args { /* sun4m obio space is treated like an sbus slot */ int uoba_isobio4; struct sbus_attach_args uoba_sbus; /* Sbus view */ struct obio4_attach_args uoba_oba4; /* sun4 on-board view */ }; #define obio_bus_map(t, a, o, s, f, v, hp) \ bus_space_map2(t, 0, (long)(a) + o, s, f, (vm_offset_t)v, hp) /* obio specific bus flag */ #define OBIO_BUS_MAP_USE_ROM BUS_SPACE_MAP_BUS1 /* obio bus helper that finds ROM mappings; exported for autoconf.c */ int obio_find_rom_map __P((bus_addr_t, bus_type_t, int, bus_space_handle_t *)); /* * The various getprop* functions obtain `properties' from the ROMs. * getprop() obtains a property as a byte-sequence, and returns its * length; the others convert or make some other guarantee. */ int getproplen __P((int node, char *name)); int getprop __P((int node, char *name, void *buf, int bufsiz)); char *getpropstring __P((int node, char *name)); int getpropint __P((int node, char *name, int deflt)); /* Frequently used options node */ extern int optionsnode; /* new interfaces: */ int getpropA __P((int, char *, int, int *, void **)); char *getpropstringA __P((int, char *, char *)); /* * Helper routines to get some of the more common properties. These * only get the first item in case the property value is an array. * Drivers that "need to know it all" can call getprop() directly. */ int getprop_reg1 __P((int, struct rom_reg *)); int getprop_intr1 __P((int, int *)); int getprop_address1 __P((int, void **)); /* * The matchbyname function is useful in drivers that are matched * by romaux name, i.e., all `mainbus attached' devices. It expects * its aux pointer to point to a pointer to the name (the address of * a romaux structure suffices, for instance). (OBSOLETE) */ struct device; struct cfdata; int matchbyname __P((struct device *, struct cfdata *cf, void *aux)); /* * `clockfreq' produces a printable representation of a clock frequency * (this is just a frill). */ char *clockfreq __P((int freq)); /* * Memory description arrays. Shared between pmap.c and autoconf.c; no * one else should use this (except maybe mem.c, e.g., if we fix the VM to * handle discontiguous physical memory). */ struct memarr { u_int addr; u_int len; }; int makememarr(struct memarr *, int max, int which); #define MEMARR_AVAILPHYS 0 #define MEMARR_TOTALPHYS 1 /* Pass a string to the FORTH interpreter. May fail silently. */ void rominterpret __P((char *)); /* Openprom V2 style boot path */ struct bootpath { char name[16]; /* name of this node */ int val[3]; /* up to three optional values */ struct device *dev; /* device that recognised this component */ }; struct bootpath *bootpath_store __P((int, struct bootpath *)); int sd_crazymap __P((int)); /* Parse a disk string into a dev_t, return device struct pointer */ struct device *parsedisk __P((char *, int, int, dev_t *)); /* Establish a mountroot_hook, for benefit of floppy drive, mostly. */ void mountroot_hook_establish __P((void (*) __P((struct device *)), struct device *)); void configure __P((void)); void bootstrap __P((void)); int firstchild __P((int)); int nextsibling __P((int)); void callrom __P((void)); struct device *getdevunit __P((char *, int)); void *findzs __P((int)); int romgetcursoraddr __P((int **, int **)); int findroot __P((void)); int findnode __P((int, const char *)); int opennode __P((char *)); int node_has_property __P((int, const char *));