sbusvar.h revision 1.26
1 1.26 macallan /* $NetBSD: sbusvar.h,v 1.26 2008/05/17 18:09:03 macallan 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 * 19 1.1 pk * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 20 1.1 pk * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 21 1.1 pk * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 22 1.1 pk * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 23 1.1 pk * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 24 1.1 pk * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 25 1.1 pk * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 26 1.1 pk * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 27 1.1 pk * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 28 1.1 pk * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 29 1.1 pk * POSSIBILITY OF SUCH DAMAGE. 30 1.1 pk */ 31 1.1 pk 32 1.2 pk #ifndef _SBUS_VAR_H 33 1.2 pk #define _SBUS_VAR_H 34 1.13 darrenr 35 1.13 darrenr #if defined(_KERNEL_OPT) && (defined(__sparc__) || defined(__sparc64__)) 36 1.13 darrenr #include "opt_sparc_arch.h" 37 1.13 darrenr #endif 38 1.2 pk 39 1.18 thorpej #include <machine/bsd_openprom.h> 40 1.18 thorpej 41 1.2 pk struct sbus_softc; 42 1.2 pk 43 1.2 pk /* 44 1.2 pk * S-bus variables. 45 1.2 pk */ 46 1.2 pk struct sbusdev { 47 1.26 macallan device_t sd_dev; /* backpointer to generic */ 48 1.2 pk struct sbusdev *sd_bchain; /* forward link in bus chain */ 49 1.26 macallan void (*sd_reset)(device_t); 50 1.2 pk }; 51 1.2 pk 52 1.14 pk typedef u_int32_t sbus_slot_t; 53 1.14 pk typedef u_int32_t sbus_offset_t; 54 1.2 pk 55 1.2 pk /* 56 1.2 pk * Sbus driver attach arguments. 57 1.2 pk */ 58 1.2 pk struct sbus_attach_args { 59 1.2 pk int sa_placeholder; /* for obio attach args sharing */ 60 1.2 pk bus_space_tag_t sa_bustag; 61 1.2 pk bus_dma_tag_t sa_dmatag; 62 1.2 pk char *sa_name; /* PROM node name */ 63 1.2 pk int sa_node; /* PROM handle */ 64 1.18 thorpej struct openprom_addr *sa_reg; /* Sbus register space for device */ 65 1.2 pk int sa_nreg; /* Number of Sbus register spaces */ 66 1.18 thorpej #define sa_slot sa_reg[0].oa_space 67 1.18 thorpej #define sa_offset sa_reg[0].oa_base 68 1.18 thorpej #define sa_size sa_reg[0].oa_size 69 1.2 pk 70 1.18 thorpej struct openprom_intr *sa_intr; /* Sbus interrupts for device */ 71 1.2 pk int sa_nintr; /* Number of interrupts */ 72 1.18 thorpej #define sa_pri sa_intr[0].oi_pri 73 1.2 pk 74 1.7 eeh u_int32_t *sa_promvaddrs;/* PROM-supplied virtual addresses -- 32-bit */ 75 1.2 pk int sa_npromvaddrs; /* Number of PROM VAs */ 76 1.9 eeh #define sa_promvaddr sa_promvaddrs[0] 77 1.11 eeh int sa_frequency; /* SBus clockrate */ 78 1.2 pk }; 79 1.2 pk 80 1.6 eeh /* sbus_attach_internal() is also used from obio.c */ 81 1.23 tsutsui void sbus_attach_common(struct sbus_softc *, const char *, int, 82 1.21 perry const char * const *); 83 1.21 perry int sbus_print(void *, const char *); 84 1.2 pk 85 1.26 macallan void sbus_establish(struct sbusdev *, device_t); 86 1.2 pk 87 1.21 perry int sbus_setup_attach_args( 88 1.2 pk struct sbus_softc *, 89 1.2 pk bus_space_tag_t, 90 1.2 pk bus_dma_tag_t, 91 1.2 pk int, /*node*/ 92 1.21 perry struct sbus_attach_args *); 93 1.2 pk 94 1.21 perry void sbus_destroy_attach_args(struct sbus_attach_args *); 95 1.2 pk 96 1.14 pk #define sbus_bus_map(tag, slot, offset, sz, flags, hp) \ 97 1.14 pk bus_space_map(tag, BUS_ADDR(slot,offset), sz, flags, hp) 98 1.21 perry bus_addr_t sbus_bus_addr(bus_space_tag_t, u_int, u_int); 99 1.22 perry void sbus_promaddr_to_handle(bus_space_tag_t, u_int, 100 1.21 perry bus_space_handle_t *); 101 1.2 pk 102 1.2 pk #if notyet 103 1.2 pk /* variables per Sbus */ 104 1.2 pk struct sbus_softc { 105 1.26 macallan device_t sc_dev; /* base device */ 106 1.2 pk bus_space_tag_t sc_bustag; 107 1.2 pk bus_dma_tag_t sc_dmatag; 108 1.2 pk int sc_clockfreq; /* clock frequency (in Hz) */ 109 1.2 pk struct sbusdev *sc_sbdev; /* list of all children */ 110 1.18 thorpej struct openprom_range *sc_range; 111 1.2 pk int sc_nrange; 112 1.2 pk int sc_burst; /* burst transfer sizes supported */ 113 1.3 eeh /* machdep stuff follows here */ 114 1.2 pk int *sc_intr2ipl; /* Interrupt level translation */ 115 1.2 pk }; 116 1.2 pk #endif 117 1.2 pk 118 1.1 pk 119 1.1 pk /* 120 1.1 pk * PROM-reported DMA burst sizes for the SBus 121 1.1 pk */ 122 1.1 pk #define SBUS_BURST_1 0x1 123 1.1 pk #define SBUS_BURST_2 0x2 124 1.1 pk #define SBUS_BURST_4 0x4 125 1.1 pk #define SBUS_BURST_8 0x8 126 1.1 pk #define SBUS_BURST_16 0x10 127 1.1 pk #define SBUS_BURST_32 0x20 128 1.1 pk #define SBUS_BURST_64 0x40 129 1.5 pk 130 1.5 pk /* We use #defined(SUN4*) here while the ports are in flux */ 131 1.20 pk #if defined(SUN4) || defined(SUN4C) || defined(SUN4M) || defined(SUN4D) 132 1.5 pk #include <sparc/dev/sbusvar.h> 133 1.5 pk #elif defined(SUN4U) 134 1.5 pk #include <sparc64/dev/sbusvar.h> 135 1.5 pk #endif 136 1.2 pk 137 1.2 pk #endif /* _SBUS_VAR_H */ 138
Indexes created Fri Sep 26 20:09:58 GMT 2025