sbusvar.h revision 1.2
1 /* $NetBSD: sbusvar.h,v 1.2 1998/08/13 02:10:43 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 /* 87 * Most devices are configured according to information kept in 88 * the FORTH PROMs. In particular, we extract the `name', `reg', 89 * and `address' properties of each device attached to the mainbus; 90 * other drives may also use this information. The mainbus itself 91 * (which `is' the CPU, in some sense) gets just the node, with a 92 * fake name ("mainbus"). 93 */ 94 95 /* 96 * S-bus variables. 97 */ 98 struct sbusdev { 99 struct device *sd_dev; /* backpointer to generic */ 100 struct sbusdev *sd_bchain; /* forward link in bus chain */ 101 void (*sd_reset) __P((struct device *)); 102 }; 103 104 105 /* Device register space description */ 106 struct sbus_reg { 107 u_int32_t sbr_slot; 108 u_int32_t sbr_offset; 109 u_int32_t sbr_size; 110 }; 111 112 /* Interrupt information */ 113 struct sbus_intr { 114 u_int32_t sbi_pri; /* priority (IPL) */ 115 u_int32_t sbi_vec; /* vector (always 0?) */ 116 }; 117 118 /* Address translation accross busses */ 119 struct sbus_range { /* Only used on v3 PROMs */ 120 u_int32_t cspace; /* Client space */ 121 u_int32_t coffset; /* Client offset */ 122 u_int32_t pspace; /* Parent space */ 123 u_int32_t poffset; /* Parent offset */ 124 u_int32_t size; /* Size in bytes of this range */ 125 }; 126 127 /* 128 * Sbus driver attach arguments. 129 */ 130 struct sbus_attach_args { 131 int sa_placeholder; /* for obio attach args sharing */ 132 bus_space_tag_t sa_bustag; 133 bus_dma_tag_t sa_dmatag; 134 char *sa_name; /* PROM node name */ 135 int sa_node; /* PROM handle */ 136 struct sbus_reg *sa_reg; /* Sbus register space for device */ 137 int sa_nreg; /* Number of Sbus register spaces */ 138 #define sa_slot sa_reg[0].sbr_slot 139 #define sa_offset sa_reg[0].sbr_offset 140 #define sa_size sa_reg[0].sbr_size 141 142 struct sbus_intr *sa_intr; /* Sbus interrupts for device */ 143 int sa_nintr; /* Number of interrupts */ 144 #define sa_pri sa_intr[0].sbi_pri 145 146 void **sa_promvaddrs;/* PROM-supplied virtual addresses */ 147 int sa_npromvaddrs; /* Number of PROM VAs */ 148 #define sa_promvaddr sa_promvaddrs[0] 149 150 struct bootpath *sa_bp; /* used for locating boot device */ 151 }; 152 153 /* variables per Sbus */ 154 struct sbus_softc { 155 struct device sc_dev; /* base device */ 156 bus_space_tag_t sc_bustag; 157 bus_dma_tag_t sc_dmatag; 158 int sc_clockfreq; /* clock frequency (in Hz) */ 159 struct sbusdev *sc_sbdev; /* list of all children */ 160 struct sbus_range *sc_range; 161 int sc_nrange; 162 int sc_burst; /* burst transfer sizes supported */ 163 int *sc_intr2ipl; /* Interrupt level translation */ 164 int *sc_intr_compat; /* `intr' property to sbus compat */ 165 166 struct sysioreg* sc_sysio; /* SBUS control registers */ 167 u_int sc_pagesize; 168 u_int sc_dvmabase; 169 int64_t *sc_tsb; /* TSB vaddr */ 170 int sc_tsbsize; 171 paddr_t sc_ptsb; /* TSB physaddr */ 172 int sc_hasiocache; 173 int sc_ign; /* Interrupt group number for this sysio */ 174 175 int32_t sc_flushpa; /* used to flush the SBUS */ 176 int64_t sc_flush; 177 }; 178 179 /* sbus_attach() is also used from obio.c */ 180 #if 0 181 void sbus_attach __P((struct sbus_softc *, char *, int, struct bootpath *, 182 const char * const *)); 183 #endif 184 int sbus_print __P((void *, const char *)); 185 186 int sbusdev_match __P((struct cfdata *, void *)); 187 void sbus_establish __P((struct sbusdev *, struct device *)); 188 189 int sbus_setup_attach_args __P(( 190 struct sbus_softc *, 191 bus_space_tag_t, 192 bus_dma_tag_t, 193 int, /*node*/ 194 struct bootpath *, 195 struct sbus_attach_args *)); 196 void sbus_destroy_attach_args __P((struct sbus_attach_args *)); 197 198 #define sbus_bus_map(t, b, a, s, f, v, hp) \ 199 bus_space_map2(t, b, a, s, f, v, hp) 200 201 #endif /* _SBUS_VAR_H_ */ 202
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