/* $OpenBSD: autoconf.h,v 1.5 1997/08/08 08:26:03 downsj Exp $ */ /* $NetBSD: autoconf.h,v 1.20 1997/05/24 20:03:03 pk Exp $ */ /* * 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. */ /* * 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"). */ #define RA_MAXVADDR 8 /* max (virtual) addresses per device */ #define RA_MAXREG 16 /* max # of register banks per device */ #define RA_MAXINTR 8 /* max interrupts per device */ struct romaux { const char *ra_name; /* name from FORTH PROM */ int ra_node; /* FORTH PROM node ID */ void *ra_vaddrs[RA_MAXVADDR];/* ROM mapped virtual addresses */ int ra_nvaddrs; /* # of ra_vaddrs[]s, may be 0 */ #define ra_vaddr ra_vaddrs[0] /* compatibility */ struct rom_reg { int rr_iospace; /* register space (obio, etc) */ void *rr_paddr; /* register physical address */ int rr_len; /* register length */ } ra_reg[RA_MAXREG]; int ra_nreg; /* # of ra_reg[]s */ #define ra_iospace ra_reg[0].rr_iospace #define ra_paddr ra_reg[0].rr_paddr #define ra_len ra_reg[0].rr_len struct rom_intr { /* interrupt information: */ int int_pri; /* priority (IPL) */ int int_vec; /* vector (always 0?) */ } ra_intr[RA_MAXINTR]; int ra_nintr; /* number of interrupt info elements */ struct bootpath *ra_bp; /* used for locating boot device */ }; 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 */ }; struct confargs { int ca_bustype; struct romaux ca_ra; int ca_slot; int ca_offset; }; #define BUS_MAIN 0 #define BUS_OBIO 1 #define BUS_VME16 2 #define BUS_VME32 3 #define BUS_SBUS 4 /* * mapiodev maps an I/O device to a virtual address, returning the address. * mapdev does the real work: you can supply a special virtual address and * it will use that instead of creating one, but you must only do this if * you get it from ../sparc/vaddrs.h. */ void *mapdev __P((struct rom_reg *pa, int va, int offset, int size)); #define mapiodev(pa, offset, size) \ mapdev(pa, 0, offset, size) /* * REG2PHYS is provided for drivers with a `d_mmap' function. */ #define REG2PHYS(rr, offset) \ (((u_int)(rr)->rr_paddr + (offset)) | PMAP_IOENC((rr)->rr_iospace) ) /* For VME and sun4/obio busses */ void *bus_map __P((struct rom_reg *, int)); void bus_untmp __P((void)); /* * 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; /* * The romprop function gets physical and virtual addresses from the PROM * and fills in a romaux. It returns 1 on success, 0 if the physical * address is not available as a "reg" property. */ int romprop __P((struct romaux *ra, const char *name, int node)); /* * 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). */ struct device; struct cfdata; int matchbyname __P((struct device *, void *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 *));