sbusvar.h revision 1.3
1 /* $NetBSD: sbusvar.h,v 1.3 1998/09/02 05:51:37 eeh Exp $ */ 2 3 /*- 4 * Copyright (c) 1998 The NetBSD Foundation, Inc. 5 * All rights reserved. 6 * 7 * This code is derived from software contributed to The NetBSD Foundation 8 * by Paul Kranenburg. 9 * 10 * Redistribution and use in source and binary forms, with or without 11 * modification, are permitted provided that the following conditions 12 * are met: 13 * 1. Redistributions of source code must retain the above copyright 14 * notice, this list of conditions and the following disclaimer. 15 * 2. Redistributions in binary form must reproduce the above copyright 16 * notice, this list of conditions and the following disclaimer in the 17 * documentation and/or other materials provided with the distribution. 18 * 3. All advertising materials mentioning features or use of this software 19 * must display the following acknowledgement: 20 * This product includes software developed by the NetBSD 21 * Foundation, Inc. and its contributors. 22 * 4. Neither the name of The NetBSD Foundation nor the names of its 23 * contributors may be used to endorse or promote products derived 24 * from this software without specific prior written permission. 25 * 26 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 27 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 28 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 29 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 30 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 31 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 32 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 33 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 34 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 35 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 36 * POSSIBILITY OF SUCH DAMAGE. 37 */ 38 39 /* 40 * Copyright (c) 1992, 1993 41 * The Regents of the University of California. All rights reserved. 42 * 43 * This software was developed by the Computer Systems Engineering group 44 * at Lawrence Berkeley Laboratory under DARPA contract BG 91-66 and 45 * contributed to Berkeley. 46 * 47 * All advertising materials mentioning features or use of this software 48 * must display the following acknowledgement: 49 * This product includes software developed by the University of 50 * California, Lawrence Berkeley Laboratory. 51 * 52 * Redistribution and use in source and binary forms, with or without 53 * modification, are permitted provided that the following conditions 54 * are met: 55 * 1. Redistributions of source code must retain the above copyright 56 * notice, this list of conditions and the following disclaimer. 57 * 2. Redistributions in binary form must reproduce the above copyright 58 * notice, this list of conditions and the following disclaimer in the 59 * documentation and/or other materials provided with the distribution. 60 * 3. All advertising materials mentioning features or use of this software 61 * must display the following acknowledgement: 62 * This product includes software developed by the University of 63 * California, Berkeley and its contributors. 64 * 4. Neither the name of the University nor the names of its contributors 65 * may be used to endorse or promote products derived from this software 66 * without specific prior written permission. 67 * 68 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 69 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 70 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 71 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 72 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 73 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 74 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 75 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 76 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 77 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 78 * SUCH DAMAGE. 79 * 80 * @(#)sbusvar.h 8.1 (Berkeley) 6/11/93 81 */ 82 83 #ifndef _SBUS_VAR_H_ 84 #define _SBUS_VAR_H_ 85 86 #include <machine/bus.h> 87 88 /* 89 * Most devices are configured according to information kept in 90 * the FORTH PROMs. In particular, we extract the `name', `reg', 91 * and `address' properties of each device attached to the mainbus; 92 * other drives may also use this information. The mainbus itself 93 * (which `is' the CPU, in some sense) gets just the node, with a 94 * fake name ("mainbus"). 95 */ 96 97 /* 98 * S-bus variables. 99 */ 100 struct sbusdev { 101 struct device *sd_dev; /* backpointer to generic */ 102 struct sbusdev *sd_bchain; /* forward link in bus chain */ 103 void (*sd_reset) __P((struct device *)); 104 }; 105 106 107 /* Device register space description */ 108 struct sbus_reg { 109 u_int32_t sbr_slot; 110 u_int32_t sbr_offset; 111 u_int32_t sbr_size; 112 }; 113 114 /* Interrupt information */ 115 struct sbus_intr { 116 u_int32_t sbi_pri; /* priority (IPL) */ 117 u_int32_t sbi_vec; /* vector (always 0?) */ 118 }; 119 120 /* Address translation accross busses */ 121 struct sbus_range { /* Only used on v3 PROMs */ 122 u_int32_t cspace; /* Client space */ 123 u_int32_t coffset; /* Client offset */ 124 u_int32_t pspace; /* Parent space */ 125 u_int32_t poffset; /* Parent offset */ 126 u_int32_t size; /* Size in bytes of this range */ 127 }; 128 129 /* 130 * Sbus driver attach arguments. 131 */ 132 struct sbus_attach_args { 133 int sa_placeholder; /* for obio attach args sharing */ 134 bus_space_tag_t sa_bustag; 135 bus_dma_tag_t sa_dmatag; 136 char *sa_name; /* PROM node name */ 137 int sa_node; /* PROM handle */ 138 struct sbus_reg *sa_reg; /* Sbus register space for device */ 139 int sa_nreg; /* Number of Sbus register spaces */ 140 #define sa_slot sa_reg[0].sbr_slot 141 #define sa_offset sa_reg[0].sbr_offset 142 #define sa_size sa_reg[0].sbr_size 143 144 struct sbus_intr *sa_intr; /* Sbus interrupts for device */ 145 int sa_nintr; /* Number of interrupts */ 146 #define sa_pri sa_intr[0].sbi_pri 147 148 void **sa_promvaddrs;/* PROM-supplied virtual addresses */ 149 int sa_npromvaddrs; /* Number of PROM VAs */ 150 #define sa_promvaddr sa_promvaddrs[0] 151 152 struct bootpath *sa_bp; /* used for locating boot device */ 153 }; 154 155 /* variables per Sbus */ 156 struct sbus_softc { 157 struct device sc_dev; /* base device */ 158 bus_space_tag_t sc_bustag; 159 bus_dma_tag_t sc_dmatag; 160 int sc_clockfreq; /* clock frequency (in Hz) */ 161 struct sbusdev *sc_sbdev; /* list of all children */ 162 struct sbus_range *sc_range; 163 int sc_nrange; 164 int sc_burst; /* burst transfer sizes supported */ 165 int *sc_intr2ipl; /* Interrupt level translation */ 166 int *sc_intr_compat; /* `intr' property to sbus compat */ 167 168 struct sysioreg* sc_sysio; /* SBUS control registers */ 169 u_int sc_pagesize; 170 u_int sc_dvmabase; 171 int64_t *sc_tsb; /* TSB vaddr */ 172 int sc_tsbsize; 173 paddr_t sc_ptsb; /* TSB physaddr */ 174 int sc_hasiocache; 175 int sc_ign; /* Interrupt group number for this sysio */ 176 177 int32_t sc_flushpa; /* used to flush the SBUS */ 178 int64_t sc_flush; 179 }; 180 181 /* sbus_attach() is also used from obio.c */ 182 #if 0 183 void sbus_attach __P((struct sbus_softc *, char *, int, struct bootpath *, 184 const char * const *)); 185 #endif 186 int sbus_print __P((void *, const char *)); 187 188 int sbusdev_match __P((struct cfdata *, void *)); 189 void sbus_establish __P((struct sbusdev *, struct device *)); 190 191 int sbus_setup_attach_args __P(( 192 struct sbus_softc *, 193 bus_space_tag_t, 194 bus_dma_tag_t, 195 int, /*node*/ 196 struct bootpath *, 197 struct sbus_attach_args *)); 198 void sbus_destroy_attach_args __P((struct sbus_attach_args *)); 199 200 #define sbus_bus_map(t, b, a, s, f, v, hp) \ 201 bus_space_map2(t, b, a, s, f, v, hp) 202 203 #endif /* _SBUS_VAR_H_ */ 204
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