sbusvar.h revision 1.2
1 1.2 pk /* $NetBSD: sbusvar.h,v 1.2 1998/07/29 18:30:20 pk Exp $ */ 2 1.1 pk 3 1.1 pk /*- 4 1.1 pk * Copyright (c) 1998 The NetBSD Foundation, Inc. 5 1.1 pk * All rights reserved. 6 1.1 pk * 7 1.1 pk * This code is derived from software contributed to The NetBSD Foundation 8 1.1 pk * by Paul Kranenburg. 9 1.1 pk * 10 1.1 pk * Redistribution and use in source and binary forms, with or without 11 1.1 pk * modification, are permitted provided that the following conditions 12 1.1 pk * are met: 13 1.1 pk * 1. Redistributions of source code must retain the above copyright 14 1.1 pk * notice, this list of conditions and the following disclaimer. 15 1.1 pk * 2. Redistributions in binary form must reproduce the above copyright 16 1.1 pk * notice, this list of conditions and the following disclaimer in the 17 1.1 pk * documentation and/or other materials provided with the distribution. 18 1.1 pk * 3. All advertising materials mentioning features or use of this software 19 1.1 pk * must display the following acknowledgement: 20 1.1 pk * This product includes software developed by the NetBSD 21 1.1 pk * Foundation, Inc. and its contributors. 22 1.1 pk * 4. Neither the name of The NetBSD Foundation nor the names of its 23 1.1 pk * contributors may be used to endorse or promote products derived 24 1.1 pk * from this software without specific prior written permission. 25 1.1 pk * 26 1.1 pk * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 27 1.1 pk * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 28 1.1 pk * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 29 1.1 pk * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 30 1.1 pk * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 31 1.1 pk * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 32 1.1 pk * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 33 1.1 pk * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 34 1.1 pk * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 35 1.1 pk * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 36 1.1 pk * POSSIBILITY OF SUCH DAMAGE. 37 1.1 pk */ 38 1.1 pk 39 1.2 pk #ifndef _SBUS_VAR_H 40 1.2 pk #define _SBUS_VAR_H 41 1.2 pk 42 1.2 pk /* We use #defined(SUN4*) here while the ports are in flux */ 43 1.1 pk #if defined(SUN4C) || defined(SUN4M) 44 1.2 pk struct sbus_softc; 45 1.2 pk 46 1.2 pk /* 47 1.2 pk * S-bus variables. 48 1.2 pk */ 49 1.2 pk struct sbusdev { 50 1.2 pk struct device *sd_dev; /* backpointer to generic */ 51 1.2 pk struct sbusdev *sd_bchain; /* forward link in bus chain */ 52 1.2 pk void (*sd_reset) __P((struct device *)); 53 1.2 pk }; 54 1.2 pk 55 1.2 pk 56 1.2 pk /* Device register space description */ 57 1.2 pk struct sbus_reg { 58 1.2 pk u_int32_t sbr_slot; 59 1.2 pk u_int32_t sbr_offset; 60 1.2 pk u_int32_t sbr_size; 61 1.2 pk }; 62 1.2 pk 63 1.2 pk /* Interrupt information */ 64 1.2 pk struct sbus_intr { 65 1.2 pk u_int32_t sbi_pri; /* priority (IPL) */ 66 1.2 pk u_int32_t sbi_vec; /* vector (always 0?) */ 67 1.2 pk }; 68 1.2 pk 69 1.2 pk /* Address translation accross busses */ 70 1.2 pk struct sbus_range { 71 1.2 pk u_int32_t cspace; /* Client space */ 72 1.2 pk u_int32_t coffset; /* Client offset */ 73 1.2 pk u_int32_t pspace; /* Parent space */ 74 1.2 pk u_int32_t poffset; /* Parent offset */ 75 1.2 pk u_int32_t size; /* Size in bytes of this range */ 76 1.2 pk }; 77 1.2 pk 78 1.2 pk /* 79 1.2 pk * Sbus driver attach arguments. 80 1.2 pk */ 81 1.2 pk struct sbus_attach_args { 82 1.2 pk int sa_placeholder; /* for obio attach args sharing */ 83 1.2 pk bus_space_tag_t sa_bustag; 84 1.2 pk bus_dma_tag_t sa_dmatag; 85 1.2 pk char *sa_name; /* PROM node name */ 86 1.2 pk int sa_node; /* PROM handle */ 87 1.2 pk struct sbus_reg *sa_reg; /* Sbus register space for device */ 88 1.2 pk int sa_nreg; /* Number of Sbus register spaces */ 89 1.2 pk #define sa_slot sa_reg[0].sbr_slot 90 1.2 pk #define sa_offset sa_reg[0].sbr_offset 91 1.2 pk #define sa_size sa_reg[0].sbr_size 92 1.2 pk 93 1.2 pk struct sbus_intr *sa_intr; /* Sbus interrupts for device */ 94 1.2 pk int sa_nintr; /* Number of interrupts */ 95 1.2 pk #define sa_pri sa_intr[0].sbi_pri 96 1.2 pk 97 1.2 pk void **sa_promvaddrs;/* PROM-supplied virtual addresses */ 98 1.2 pk int sa_npromvaddrs; /* Number of PROM VAs */ 99 1.2 pk #define sa_promvaddr sa_promvaddrs[0] 100 1.2 pk 101 1.2 pk struct bootpath *sa_bp; /* used for locating boot device */ 102 1.2 pk }; 103 1.2 pk 104 1.2 pk /* sbus_attach() is also used from obio.c */ 105 1.2 pk void sbus_attach __P((struct sbus_softc *, char *, int, struct bootpath *, 106 1.2 pk const char * const *)); 107 1.2 pk int sbus_print __P((void *, const char *)); 108 1.2 pk 109 1.2 pk void sbus_establish __P((struct sbusdev *, struct device *)); 110 1.2 pk 111 1.2 pk int sbus_setup_attach_args __P(( 112 1.2 pk struct sbus_softc *, 113 1.2 pk bus_space_tag_t, 114 1.2 pk bus_dma_tag_t, 115 1.2 pk int, /*node*/ 116 1.2 pk struct bootpath *, 117 1.2 pk struct sbus_attach_args *)); 118 1.2 pk 119 1.2 pk void sbus_destroy_attach_args __P((struct sbus_attach_args *)); 120 1.2 pk 121 1.2 pk #define sbus_bus_map(t, bt, a, s, f, v, hp) \ 122 1.2 pk bus_space_map2(t, bt, a, s, f, v, hp) 123 1.2 pk 124 1.2 pk #if notyet 125 1.2 pk /* variables per Sbus */ 126 1.2 pk struct sbus_softc { 127 1.2 pk struct device sc_dev; /* base device */ 128 1.2 pk bus_space_tag_t sc_bustag; 129 1.2 pk bus_dma_tag_t sc_dmatag; 130 1.2 pk int sc_clockfreq; /* clock frequency (in Hz) */ 131 1.2 pk struct sbusdev *sc_sbdev; /* list of all children */ 132 1.2 pk struct sbus_range *sc_range; 133 1.2 pk int sc_nrange; 134 1.2 pk int sc_burst; /* burst transfer sizes supported */ 135 1.2 pk int *sc_intr2ipl; /* Interrupt level translation */ 136 1.2 pk int *sc_intr_compat; /* `intr' property to sbus compat */ 137 1.2 pk /* machdep stuff follows here */ 138 1.2 pk }; 139 1.2 pk #endif 140 1.2 pk 141 1.1 pk #include <sparc/dev/sbusvar.h> 142 1.2 pk 143 1.1 pk #elif defined(SUN4U) 144 1.2 pk 145 1.1 pk #include <sparc64/dev/sbusvar.h> 146 1.2 pk 147 1.1 pk #endif 148 1.1 pk 149 1.1 pk 150 1.1 pk 151 1.1 pk /* 152 1.1 pk * PROM-reported DMA burst sizes for the SBus 153 1.1 pk */ 154 1.1 pk #define SBUS_BURST_1 0x1 155 1.1 pk #define SBUS_BURST_2 0x2 156 1.1 pk #define SBUS_BURST_4 0x4 157 1.1 pk #define SBUS_BURST_8 0x8 158 1.1 pk #define SBUS_BURST_16 0x10 159 1.1 pk #define SBUS_BURST_32 0x20 160 1.1 pk #define SBUS_BURST_64 0x40 161 1.2 pk 162 1.2 pk #endif /* _SBUS_VAR_H */ 163
Indexes created Sat Sep 27 14:09:57 GMT 2025