bus_space_fdt.c revision 263687
1/* $NetBSD: bus.h,v 1.12 1997/10/01 08:25:15 fvdl Exp $ */ 2/*- 3 * $Id: bus.h,v 1.6 2007/08/09 11:23:32 katta Exp $ 4 * 5 * Copyright (c) 1996, 1997 The NetBSD Foundation, Inc. 6 * All rights reserved. 7 * 8 * This code is derived from software contributed to The NetBSD Foundation 9 * by Jason R. Thorpe of the Numerical Aerospace Simulation Facility, 10 * NASA Ames Research Center. 11 * 12 * Redistribution and use in source and binary forms, with or without 13 * modification, are permitted provided that the following conditions 14 * are met: 15 * 1. Redistributions of source code must retain the above copyright 16 * notice, this list of conditions and the following disclaimer. 17 * 2. Redistributions in binary form must reproduce the above copyright 18 * notice, this list of conditions and the following disclaimer in the 19 * documentation and/or other materials provided with the distribution. 20 * 21 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 22 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 23 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 24 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 25 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 26 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 27 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 28 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 29 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 30 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 31 * POSSIBILITY OF SUCH DAMAGE. 32 */ 33 34/* 35 * Copyright (c) 1996 Charles M. Hannum. All rights reserved. 36 * Copyright (c) 1996 Christopher G. Demetriou. All rights reserved. 37 * 38 * Redistribution and use in source and binary forms, with or without 39 * modification, are permitted provided that the following conditions 40 * are met: 41 * 1. Redistributions of source code must retain the above copyright 42 * notice, this list of conditions and the following disclaimer. 43 * 2. Redistributions in binary form must reproduce the above copyright 44 * notice, this list of conditions and the following disclaimer in the 45 * documentation and/or other materials provided with the distribution. 46 * 3. All advertising materials mentioning features or use of this software 47 * must display the following acknowledgement: 48 * This product includes software developed by Christopher G. Demetriou 49 * for the NetBSD Project. 50 * 4. The name of the author may not be used to endorse or promote products 51 * derived from this software without specific prior written permission 52 * 53 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 54 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 55 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 56 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 57 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 58 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 59 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 60 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 61 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 62 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 63 * 64 * from: src/sys/alpha/include/bus.h,v 1.5 1999/08/28 00:38:40 peter 65 * $FreeBSD: stable/10/sys/mips/mips/bus_space_fdt.c 263687 2014-03-24 13:48:04Z emaste $ 66 */ 67#include <sys/cdefs.h> 68__FBSDID("$FreeBSD: stable/10/sys/mips/mips/bus_space_fdt.c 263687 2014-03-24 13:48:04Z emaste $"); 69 70#include <sys/param.h> 71#include <sys/systm.h> 72#include <sys/bus.h> 73#include <sys/kernel.h> 74#include <sys/malloc.h> 75#include <sys/ktr.h> 76 77#include <vm/vm.h> 78#include <vm/pmap.h> 79#include <vm/vm_kern.h> 80#include <vm/vm_extern.h> 81 82#include <machine/bus.h> 83#include <machine/cache.h> 84 85static int fdt_bs_map(void *, bus_addr_t, bus_size_t, int, 86 bus_space_handle_t *); 87 88static struct bus_space fdt_space = { 89 /* cookie */ 90 .bs_cookie = (void *) 0, 91 92 /* mapping/unmapping */ 93 .bs_map = fdt_bs_map, 94 .bs_unmap = generic_bs_unmap, 95 .bs_subregion = generic_bs_subregion, 96 97 /* allocation/deallocation */ 98 .bs_alloc = generic_bs_alloc, 99 .bs_free = generic_bs_free, 100 101 /* barrier */ 102 .bs_barrier = generic_bs_barrier, 103 104 /* read (single) */ 105 .bs_r_1 = generic_bs_r_1, 106 .bs_r_2 = generic_bs_r_2, 107 .bs_r_4 = generic_bs_r_4, 108 .bs_r_8 = generic_bs_r_8, 109 110 /* read multiple */ 111 .bs_rm_1 = generic_bs_rm_1, 112 .bs_rm_2 = generic_bs_rm_2, 113 .bs_rm_4 = generic_bs_rm_4, 114 .bs_rm_8 = generic_bs_rm_8, 115 116 /* read region */ 117 .bs_rr_1 = generic_bs_rr_1, 118 .bs_rr_2 = generic_bs_rr_2, 119 .bs_rr_4 = generic_bs_rr_4, 120 .bs_rr_8 = generic_bs_rr_8, 121 122 /* write (single) */ 123 .bs_w_1 = generic_bs_w_1, 124 .bs_w_2 = generic_bs_w_2, 125 .bs_w_4 = generic_bs_w_4, 126 .bs_w_8 = generic_bs_w_8, 127 128 /* write multiple */ 129 .bs_wm_1 = generic_bs_wm_1, 130 .bs_wm_2 = generic_bs_wm_2, 131 .bs_wm_4 = generic_bs_wm_4, 132 .bs_wm_8 = generic_bs_wm_8, 133 134 /* write region */ 135 .bs_wr_1 = generic_bs_wr_1, 136 .bs_wr_2 = generic_bs_wr_2, 137 .bs_wr_4 = generic_bs_wr_4, 138 .bs_wr_8 = generic_bs_wr_8, 139 140 /* set multiple */ 141 .bs_sm_1 = generic_bs_sm_1, 142 .bs_sm_2 = generic_bs_sm_2, 143 .bs_sm_4 = generic_bs_sm_4, 144 .bs_sm_8 = generic_bs_sm_8, 145 146 /* set region */ 147 .bs_sr_1 = generic_bs_sr_1, 148 .bs_sr_2 = generic_bs_sr_2, 149 .bs_sr_4 = generic_bs_sr_4, 150 .bs_sr_8 = generic_bs_sr_8, 151 152 /* copy */ 153 .bs_c_1 = generic_bs_c_1, 154 .bs_c_2 = generic_bs_c_2, 155 .bs_c_4 = generic_bs_c_4, 156 .bs_c_8 = generic_bs_c_8, 157 158 /* read (single) stream */ 159 .bs_r_1_s = generic_bs_r_1, 160 .bs_r_2_s = generic_bs_r_2, 161 .bs_r_4_s = generic_bs_r_4, 162 .bs_r_8_s = generic_bs_r_8, 163 164 /* read multiple stream */ 165 .bs_rm_1_s = generic_bs_rm_1, 166 .bs_rm_2_s = generic_bs_rm_2, 167 .bs_rm_4_s = generic_bs_rm_4, 168 .bs_rm_8_s = generic_bs_rm_8, 169 170 /* read region stream */ 171 .bs_rr_1_s = generic_bs_rr_1, 172 .bs_rr_2_s = generic_bs_rr_2, 173 .bs_rr_4_s = generic_bs_rr_4, 174 .bs_rr_8_s = generic_bs_rr_8, 175 176 /* write (single) stream */ 177 .bs_w_1_s = generic_bs_w_1, 178 .bs_w_2_s = generic_bs_w_2, 179 .bs_w_4_s = generic_bs_w_4, 180 .bs_w_8_s = generic_bs_w_8, 181 182 /* write multiple stream */ 183 .bs_wm_1_s = generic_bs_wm_1, 184 .bs_wm_2_s = generic_bs_wm_2, 185 .bs_wm_4_s = generic_bs_wm_4, 186 .bs_wm_8_s = generic_bs_wm_8, 187 188 /* write region stream */ 189 .bs_wr_1_s = generic_bs_wr_1, 190 .bs_wr_2_s = generic_bs_wr_2, 191 .bs_wr_4_s = generic_bs_wr_4, 192 .bs_wr_8_s = generic_bs_wr_8, 193}; 194 195/* generic bus_space tag */ 196bus_space_tag_t mips_bus_space_fdt = &fdt_space; 197 198static int 199fdt_bs_map(void *t __unused, bus_addr_t addr, bus_size_t size __unused, 200 int flags __unused, bus_space_handle_t *bshp) 201{ 202 203 *bshp = MIPS_PHYS_TO_DIRECT_UNCACHED(addr); 204 return (0); 205} 206