sbusvar.h revision 1.17.2.1
1 1.17.2.1 eeh /* $NetBSD: sbusvar.h,v 1.17.2.1 2002/03/26 17:32:01 eeh 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 1.13 darrenr 42 1.13 darrenr #if defined(_KERNEL_OPT) && (defined(__sparc__) || defined(__sparc64__)) 43 1.13 darrenr #include "opt_sparc_arch.h" 44 1.13 darrenr #endif 45 1.2 pk 46 1.2 pk struct sbus_softc; 47 1.2 pk 48 1.2 pk /* 49 1.2 pk * S-bus variables. 50 1.2 pk */ 51 1.2 pk struct sbusdev { 52 1.2 pk struct device *sd_dev; /* backpointer to generic */ 53 1.2 pk struct sbusdev *sd_bchain; /* forward link in bus chain */ 54 1.2 pk void (*sd_reset) __P((struct device *)); 55 1.2 pk }; 56 1.2 pk 57 1.14 pk typedef u_int32_t sbus_slot_t; 58 1.14 pk typedef u_int32_t sbus_offset_t; 59 1.2 pk 60 1.2 pk /* Device register space description */ 61 1.2 pk struct sbus_reg { 62 1.2 pk u_int32_t sbr_slot; 63 1.2 pk u_int32_t sbr_offset; 64 1.2 pk u_int32_t sbr_size; 65 1.2 pk }; 66 1.2 pk 67 1.2 pk /* Interrupt information */ 68 1.2 pk struct sbus_intr { 69 1.2 pk u_int32_t sbi_pri; /* priority (IPL) */ 70 1.2 pk u_int32_t sbi_vec; /* vector (always 0?) */ 71 1.2 pk }; 72 1.2 pk 73 1.2 pk /* Address translation accross busses */ 74 1.2 pk struct sbus_range { 75 1.2 pk u_int32_t cspace; /* Client space */ 76 1.2 pk u_int32_t coffset; /* Client offset */ 77 1.2 pk u_int32_t pspace; /* Parent space */ 78 1.2 pk u_int32_t poffset; /* Parent offset */ 79 1.2 pk u_int32_t size; /* Size in bytes of this range */ 80 1.2 pk }; 81 1.2 pk 82 1.2 pk /* 83 1.2 pk * Sbus driver attach arguments. 84 1.2 pk */ 85 1.2 pk struct sbus_attach_args { 86 1.2 pk int sa_placeholder; /* for obio attach args sharing */ 87 1.2 pk bus_space_tag_t sa_bustag; 88 1.2 pk bus_dma_tag_t sa_dmatag; 89 1.2 pk char *sa_name; /* PROM node name */ 90 1.2 pk int sa_node; /* PROM handle */ 91 1.2 pk struct sbus_reg *sa_reg; /* Sbus register space for device */ 92 1.2 pk int sa_nreg; /* Number of Sbus register spaces */ 93 1.2 pk #define sa_slot sa_reg[0].sbr_slot 94 1.2 pk #define sa_offset sa_reg[0].sbr_offset 95 1.2 pk #define sa_size sa_reg[0].sbr_size 96 1.2 pk 97 1.2 pk struct sbus_intr *sa_intr; /* Sbus interrupts for device */ 98 1.2 pk int sa_nintr; /* Number of interrupts */ 99 1.2 pk #define sa_pri sa_intr[0].sbi_pri 100 1.2 pk 101 1.7 eeh u_int32_t *sa_promvaddrs;/* PROM-supplied virtual addresses -- 32-bit */ 102 1.2 pk int sa_npromvaddrs; /* Number of PROM VAs */ 103 1.9 eeh #define sa_promvaddr sa_promvaddrs[0] 104 1.11 eeh int sa_frequency; /* SBus clockrate */ 105 1.2 pk }; 106 1.2 pk 107 1.6 eeh /* sbus_attach_internal() is also used from obio.c */ 108 1.6 eeh void sbus_attach_common __P((struct sbus_softc *, char *, int, 109 1.10 pk const char * const *)); 110 1.2 pk int sbus_print __P((void *, const char *)); 111 1.2 pk 112 1.2 pk void sbus_establish __P((struct sbusdev *, struct device *)); 113 1.2 pk 114 1.17.2.1 eeh struct device *sbus_setup_attach_args __P(( 115 1.17.2.1 eeh struct device *, 116 1.2 pk bus_space_tag_t, 117 1.2 pk bus_dma_tag_t, 118 1.2 pk int, /*node*/ 119 1.2 pk struct sbus_attach_args *)); 120 1.2 pk 121 1.2 pk void sbus_destroy_attach_args __P((struct sbus_attach_args *)); 122 1.2 pk 123 1.14 pk #define sbus_bus_map(tag, slot, offset, sz, flags, hp) \ 124 1.14 pk bus_space_map(tag, BUS_ADDR(slot,offset), sz, flags, hp) 125 1.12 eeh bus_addr_t sbus_bus_addr __P((bus_space_tag_t, u_int, u_int)); 126 1.16 eeh void sbus_promaddr_to_handle __P((bus_space_tag_t, u_int, 127 1.17 eeh bus_space_handle_t *)); 128 1.17.2.1 eeh void * sbus_intr_establish __P((struct device *, int, int, 129 1.17.2.1 eeh int (*) (void *), void *)); 130 1.2 pk 131 1.2 pk #if notyet 132 1.2 pk /* variables per Sbus */ 133 1.2 pk struct sbus_softc { 134 1.2 pk struct device sc_dev; /* base device */ 135 1.2 pk bus_space_tag_t sc_bustag; 136 1.2 pk bus_dma_tag_t sc_dmatag; 137 1.2 pk int sc_clockfreq; /* clock frequency (in Hz) */ 138 1.2 pk struct sbusdev *sc_sbdev; /* list of all children */ 139 1.2 pk struct sbus_range *sc_range; 140 1.2 pk int sc_nrange; 141 1.2 pk int sc_burst; /* burst transfer sizes supported */ 142 1.3 eeh /* machdep stuff follows here */ 143 1.2 pk int *sc_intr2ipl; /* Interrupt level translation */ 144 1.2 pk int *sc_intr_compat; /* `intr' property to sbus compat */ 145 1.2 pk }; 146 1.2 pk #endif 147 1.2 pk 148 1.1 pk 149 1.1 pk /* 150 1.1 pk * PROM-reported DMA burst sizes for the SBus 151 1.1 pk */ 152 1.1 pk #define SBUS_BURST_1 0x1 153 1.1 pk #define SBUS_BURST_2 0x2 154 1.1 pk #define SBUS_BURST_4 0x4 155 1.1 pk #define SBUS_BURST_8 0x8 156 1.1 pk #define SBUS_BURST_16 0x10 157 1.1 pk #define SBUS_BURST_32 0x20 158 1.1 pk #define SBUS_BURST_64 0x40 159 1.5 pk 160 1.5 pk /* We use #defined(SUN4*) here while the ports are in flux */ 161 1.5 pk #if defined(SUN4) || defined(SUN4C) || defined(SUN4M) 162 1.5 pk #include <sparc/dev/sbusvar.h> 163 1.5 pk #elif defined(SUN4U) 164 1.5 pk #include <sparc64/dev/sbusvar.h> 165 1.5 pk #endif 166 1.2 pk 167 1.2 pk #endif /* _SBUS_VAR_H */ 168
Indexes created Tue Oct 21 08:09:48 GMT 2025