0731581015
are passed to child devices. Support disabling the attachment of specific podules with boot time arguments.
146 lines
3.8 KiB
C
146 lines
3.8 KiB
C
/* $NetBSD: podulebus.h,v 1.10 1997/10/15 00:02:19 mark Exp $ */
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/*
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* Copyright (c) 1995 Mark Brinicombe.
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* Copyright (c) 1995 Brini.
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* All rights reserved.
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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 Brini.
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* 4. The name of the company nor the name of the author may be used to
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* endorse or promote products derived from this software without specific
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* prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY BRINI ``AS IS'' AND ANY EXPRESS OR IMPLIED
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* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL BRINI OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
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* INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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* 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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* RiscBSD kernel project
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*
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* podulebus.h
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*
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* Podule bus header file
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*
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* Created : 26/04/95
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*/
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#include <sys/param.h>
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#include <machine/bus.h>
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/* Define the structures used to describe the "known" podules */
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struct podule_description {
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int product_id;
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char *description;
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};
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struct podule_list {
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int manufacturer_id;
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char *description;
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struct podule_description *products;
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};
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/* Define the structure used to describe a podule */
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#define PODULE_DESCRIPTION_LENGTH 63
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typedef struct {
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/* The podule header, read from the on board ROM */
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u_char flags0;
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u_char flags1;
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u_char reserved;
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u_short product;
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u_short manufacturer;
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u_char country;
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u_int irq_addr;
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u_int irq_mask;
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u_int fiq_addr;
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u_int fiq_mask;
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/* The base addresses for this podule */
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u_int fast_base;
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u_int medium_base;
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u_int slow_base;
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u_int sync_base;
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u_int mod_base;
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u_int easi_base;
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/* Flags */
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int podulenum;
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int slottype;
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int attached;
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/* Other info */
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char description[PODULE_DESCRIPTION_LENGTH + 1];
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/* podule specific information provided by podulebus */
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int interrupt;
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int dma_channel;
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int dma_interrupt;
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} podule_t;
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#define PODULE_FLAGS_CD 0x01
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#define PODULE_FLAGS_IS 0x02
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#define SLOT_NONE 0x00
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#define SLOT_POD 0x01
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#define SLOT_NET 0x02
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struct podule_attach_args {
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podule_t *pa_podule; /* podule descriptor */
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int pa_podule_number; /* podule number */
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int pa_slottype; /* podule slot type */
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bus_space_tag_t pa_iot; /* bus space tag */
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};
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/* Useful macros */
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/* EASI space cycle control */
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#define IS_PODULE(pa, man, prod) \
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(pa->pa_podule->manufacturer == man && pa->pa_podule->product == prod)
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#define EASI_CYCLE_TYPE_A 0x00
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#define EASI_CYCLE_TYPE_C 0x01
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#define set_easi_cycle_type(podule, type) \
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IOMD_WRITE_BYTE(IOMD_ECTCR, (IOMD_READ_BYTE(IOMD_ECTCR) & ~(1 << podule)) | (1 << type))
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#ifdef _KERNEL
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/* Array of podule structures, one per possible podule */
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extern podule_t podules[MAX_PODULES + MAX_NETSLOTS];
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int matchpodule __P((struct podule_attach_args *pa,
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int manufacturer, int product, int required_slot));
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#endif
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/* End of podulebus.h */
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