252 lines
9.6 KiB
C
252 lines
9.6 KiB
C
/* $NetBSD: autoconf.h,v 1.27 1998/08/21 14:12:18 pk Exp $ */
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/*-
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* Copyright (c) 1997, 1998 The NetBSD Foundation, Inc.
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* All rights reserved.
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*
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* This code is derived from software contributed to The NetBSD Foundation
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* by Paul Kranenburg.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by the NetBSD
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* Foundation, Inc. and its contributors.
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* 4. Neither the name of The NetBSD Foundation nor the names of its
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
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* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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/*
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* Copyright (c) 1992, 1993
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* The Regents of the University of California. All rights reserved.
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*
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* This software was developed by the Computer Systems Engineering group
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* at Lawrence Berkeley Laboratory under DARPA contract BG 91-66 and
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* contributed to Berkeley.
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*
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* All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by the University of
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* California, Lawrence Berkeley Laboratory.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by the University of
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* California, Berkeley and its contributors.
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* 4. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* @(#)autoconf.h 8.2 (Berkeley) 9/30/93
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*/
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/*
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* Autoconfiguration information.
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*/
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#include <machine/bus.h>
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#include <dev/sbus/sbusvar.h>
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/*
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* Most devices are configured according to information kept in
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* the FORTH PROMs. In particular, we extract the `name', `reg',
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* and `address' properties of each device attached to the mainbus;
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* other drives may also use this information. The mainbus itself
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* (which `is' the CPU, in some sense) gets just the node, with a
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* fake name ("mainbus").
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*/
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/* Device register space description */
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struct rom_reg {
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u_int32_t rr_iospace; /* register space (obio, etc) */
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u_int32_t rr_paddr; /* register physical address */
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u_int32_t rr_len; /* register length */
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};
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/* Interrupt information */
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struct rom_intr {
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u_int32_t int_pri; /* priority (IPL) */
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u_int32_t int_vec; /* vector (always 0?) */
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};
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/* Address translation accross busses */
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struct rom_range { /* Only used on v3 PROMs */
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u_int32_t cspace; /* Client space */
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u_int32_t coffset; /* Client offset */
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u_int32_t pspace; /* Parent space */
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u_int32_t poffset; /* Parent offset */
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u_int32_t size; /* Size in bytes of this range */
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};
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/* Attach arguments presented by mainbus_attach() */
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struct mainbus_attach_args {
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bus_space_tag_t ma_bustag; /* parent bus tag */
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bus_dma_tag_t ma_dmatag;
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char *ma_name; /* PROM node name */
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int ma_node; /* PROM handle */
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bus_type_t ma_iospace; /* device I/O space */
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bus_addr_t ma_paddr; /* register physical address */
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int ma_size; /* register physical size */
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int ma_pri; /* priority (IPL) */
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void *ma_promvaddr; /* PROM virtual address, if any */
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struct bootpath *ma_bp; /* used for locating boot device */
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};
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/* Attach arguments presented to devices by obio_attach() (sun4 only) */
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struct obio4_attach_args {
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int oba_placeholder;/* obio/sbus attach args sharing */
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bus_space_tag_t oba_bustag; /* parent bus tag */
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bus_dma_tag_t oba_dmatag;
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bus_addr_t oba_paddr; /* register physical address */
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int oba_pri; /* interrupt priority (IPL) */
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struct bootpath *oba_bp; /* used for locating boot device */
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};
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union obio_attach_args {
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/* sun4m obio space is treated like an sbus slot */
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int uoba_isobio4;
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struct sbus_attach_args uoba_sbus; /* Sbus view */
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struct obio4_attach_args uoba_oba4; /* sun4 on-board view */
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};
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#define obio_bus_map(t, a, o, s, f, v, hp) \
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bus_space_map2(t, 0, (long)(a) + o, s, f, (vaddr_t)v, hp)
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/* obio specific bus flag */
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#define OBIO_BUS_MAP_USE_ROM BUS_SPACE_MAP_BUS1
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/* obio bus helper that finds ROM mappings; exported for autoconf.c */
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int obio_find_rom_map __P((bus_addr_t, bus_type_t, int,
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bus_space_handle_t *));
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/*
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* The various getprop* functions obtain `properties' from the ROMs.
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* getprop() obtains a property as a byte-sequence, and returns its
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* length; the others convert or make some other guarantee.
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*/
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int getproplen __P((int node, char *name));
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int getprop __P((int node, char *name, void *buf, int bufsiz));
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char *getpropstring __P((int node, char *name));
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int getpropint __P((int node, char *name, int deflt));
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/* Frequently used options node */
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extern int optionsnode;
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/* new interfaces: */
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int getpropA __P((int, char *, int, int *, void **));
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char *getpropstringA __P((int, char *, char *));
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/*
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* Helper routines to get some of the more common properties. These
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* only get the first item in case the property value is an array.
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* Drivers that "need to know it all" can call getprop() directly.
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*/
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int getprop_reg1 __P((int, struct rom_reg *));
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int getprop_intr1 __P((int, int *));
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int getprop_address1 __P((int, void **));
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/*
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* The matchbyname function is useful in drivers that are matched
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* by romaux name, i.e., all `mainbus attached' devices. It expects
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* its aux pointer to point to a pointer to the name (the address of
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* a romaux structure suffices, for instance). (OBSOLETE)
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*/
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struct device;
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struct cfdata;
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int matchbyname __P((struct device *, struct cfdata *cf, void *aux));
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/*
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* `clockfreq' produces a printable representation of a clock frequency
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* (this is just a frill).
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*/
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char *clockfreq __P((int freq));
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/*
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* Memory description arrays. Shared between pmap.c and autoconf.c; no
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* one else should use this (except maybe mem.c, e.g., if we fix the VM to
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* handle discontiguous physical memory).
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*/
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struct memarr {
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paddr_t addr;
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psize_t len;
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};
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int makememarr(struct memarr *, int max, int which);
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#define MEMARR_AVAILPHYS 0
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#define MEMARR_TOTALPHYS 1
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/* Pass a string to the FORTH interpreter. May fail silently. */
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void rominterpret __P((char *));
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/* Openprom V2 style boot path */
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struct bootpath {
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char name[16]; /* name of this node */
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int val[3]; /* up to three optional values */
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struct device *dev; /* device that recognised this component */
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};
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struct bootpath *bootpath_store __P((int, struct bootpath *));
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int sd_crazymap __P((int));
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/* Parse a disk string into a dev_t, return device struct pointer */
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struct device *parsedisk __P((char *, int, int, dev_t *));
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/* Establish a mountroot_hook, for benefit of floppy drive, mostly. */
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void mountroot_hook_establish __P((void (*) __P((struct device *)),
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struct device *));
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void configure __P((void));
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void bootstrap __P((void));
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int firstchild __P((int));
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int nextsibling __P((int));
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void callrom __P((void));
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struct device *getdevunit __P((char *, int));
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void *findzs __P((int));
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int romgetcursoraddr __P((int **, int **));
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int findroot __P((void));
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int findnode __P((int, const char *));
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int opennode __P((char *));
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int node_has_property __P((int, const char *));
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