159 lines
5.1 KiB
C
159 lines
5.1 KiB
C
/* $NetBSD: sbusvar.h,v 1.9 1998/09/06 21:23:58 eeh Exp $ */
|
|
|
|
/*-
|
|
* Copyright (c) 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.
|
|
*/
|
|
|
|
#ifndef _SBUS_VAR_H
|
|
#define _SBUS_VAR_H
|
|
|
|
struct sbus_softc;
|
|
|
|
/*
|
|
* S-bus variables.
|
|
*/
|
|
struct sbusdev {
|
|
struct device *sd_dev; /* backpointer to generic */
|
|
struct sbusdev *sd_bchain; /* forward link in bus chain */
|
|
void (*sd_reset) __P((struct device *));
|
|
};
|
|
|
|
|
|
/* Device register space description */
|
|
struct sbus_reg {
|
|
u_int32_t sbr_slot;
|
|
u_int32_t sbr_offset;
|
|
u_int32_t sbr_size;
|
|
};
|
|
|
|
/* Interrupt information */
|
|
struct sbus_intr {
|
|
u_int32_t sbi_pri; /* priority (IPL) */
|
|
u_int32_t sbi_vec; /* vector (always 0?) */
|
|
};
|
|
|
|
/* Address translation accross busses */
|
|
struct sbus_range {
|
|
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 */
|
|
};
|
|
|
|
/*
|
|
* Sbus driver attach arguments.
|
|
*/
|
|
struct sbus_attach_args {
|
|
int sa_placeholder; /* for obio attach args sharing */
|
|
bus_space_tag_t sa_bustag;
|
|
bus_dma_tag_t sa_dmatag;
|
|
char *sa_name; /* PROM node name */
|
|
int sa_node; /* PROM handle */
|
|
struct sbus_reg *sa_reg; /* Sbus register space for device */
|
|
int sa_nreg; /* Number of Sbus register spaces */
|
|
#define sa_slot sa_reg[0].sbr_slot
|
|
#define sa_offset sa_reg[0].sbr_offset
|
|
#define sa_size sa_reg[0].sbr_size
|
|
|
|
struct sbus_intr *sa_intr; /* Sbus interrupts for device */
|
|
int sa_nintr; /* Number of interrupts */
|
|
#define sa_pri sa_intr[0].sbi_pri
|
|
|
|
u_int32_t *sa_promvaddrs;/* PROM-supplied virtual addresses -- 32-bit */
|
|
int sa_npromvaddrs; /* Number of PROM VAs */
|
|
#define sa_promvaddr sa_promvaddrs[0]
|
|
|
|
struct bootpath *sa_bp; /* used for locating boot device */
|
|
};
|
|
|
|
/* sbus_attach_internal() is also used from obio.c */
|
|
void sbus_attach_common __P((struct sbus_softc *, char *, int,
|
|
struct bootpath *, const char * const *));
|
|
int sbus_print __P((void *, const char *));
|
|
|
|
void sbus_establish __P((struct sbusdev *, struct device *));
|
|
|
|
int sbus_setup_attach_args __P((
|
|
struct sbus_softc *,
|
|
bus_space_tag_t,
|
|
bus_dma_tag_t,
|
|
int, /*node*/
|
|
struct bootpath *,
|
|
struct sbus_attach_args *));
|
|
|
|
void sbus_destroy_attach_args __P((struct sbus_attach_args *));
|
|
|
|
#define sbus_bus_map(t, bt, a, s, f, v, hp) \
|
|
bus_space_map2(t, bt, a, s, f, v, hp)
|
|
|
|
#if notyet
|
|
/* variables per Sbus */
|
|
struct sbus_softc {
|
|
struct device sc_dev; /* base device */
|
|
bus_space_tag_t sc_bustag;
|
|
bus_dma_tag_t sc_dmatag;
|
|
int sc_clockfreq; /* clock frequency (in Hz) */
|
|
struct sbusdev *sc_sbdev; /* list of all children */
|
|
struct sbus_range *sc_range;
|
|
int sc_nrange;
|
|
int sc_burst; /* burst transfer sizes supported */
|
|
/* machdep stuff follows here */
|
|
int *sc_intr2ipl; /* Interrupt level translation */
|
|
int *sc_intr_compat; /* `intr' property to sbus compat */
|
|
};
|
|
#endif
|
|
|
|
|
|
/*
|
|
* PROM-reported DMA burst sizes for the SBus
|
|
*/
|
|
#define SBUS_BURST_1 0x1
|
|
#define SBUS_BURST_2 0x2
|
|
#define SBUS_BURST_4 0x4
|
|
#define SBUS_BURST_8 0x8
|
|
#define SBUS_BURST_16 0x10
|
|
#define SBUS_BURST_32 0x20
|
|
#define SBUS_BURST_64 0x40
|
|
|
|
/* We use #defined(SUN4*) here while the ports are in flux */
|
|
#if defined(SUN4) || defined(SUN4C) || defined(SUN4M)
|
|
#include <sparc/dev/sbusvar.h>
|
|
#elif defined(SUN4U)
|
|
#include <sparc64/dev/sbusvar.h>
|
|
#endif
|
|
|
|
#endif /* _SBUS_VAR_H */
|