bus_space_base.c revision 277454
1/*- 2 * Copyright (C) 2008 MARVELL INTERNATIONAL LTD. 3 * All rights reserved. 4 * 5 * Developed by Semihalf. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 3. Neither the name of MARVELL nor the names of contributors 16 * may be used to endorse or promote products derived from this software 17 * without specific prior written permission. 18 * 19 * THIS SOFTWARE IS PROVIDED BY AUTHOR AND CONTRIBUTORS ``AS IS'' AND 20 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 21 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 22 * ARE DISCLAIMED. IN NO EVENT SHALL AUTHOR OR CONTRIBUTORS BE LIABLE 23 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 24 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 25 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 26 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 27 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 28 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 29 * SUCH DAMAGE. 30 */ 31 32#include <sys/cdefs.h> 33__FBSDID("$FreeBSD: head/sys/arm/arm/bus_space-v6.c 277454 2015-01-20 22:56:59Z ian $"); 34 35#include <sys/param.h> 36#include <sys/systm.h> 37#include <sys/bus.h> 38#include <sys/kernel.h> 39#include <sys/malloc.h> 40 41#include <machine/bus.h> 42 43/* Prototypes for all the bus_space structure functions */ 44bs_protos(generic); 45bs_protos(generic_armv4); 46 47/* 48 * The bus space tag. This is constant for all instances, so 49 * we never have to explicitly "create" it. 50 */ 51static struct bus_space _base_tag = { 52 /* cookie */ 53 (void *) 0, 54 55 /* mapping/unmapping */ 56 generic_bs_map, 57 generic_bs_unmap, 58 generic_bs_subregion, 59 60 /* allocation/deallocation */ 61 generic_bs_alloc, 62 generic_bs_free, 63 64 /* barrier */ 65 generic_bs_barrier, 66 67 /* read (single) */ 68 NULL, /* bs_r_1, Use inline code in bus.h */ 69 NULL, /* bs_r_2, Use inline code in bus.h */ 70 NULL, /* bs_r_4, Use inline code in bus.h */ 71 NULL, /* bs_r_8, Use inline code in bus.h */ 72 73 /* read multiple */ 74 generic_bs_rm_1, 75 generic_armv4_bs_rm_2, 76 generic_bs_rm_4, 77 NULL, 78 79 /* read region */ 80 generic_bs_rr_1, 81 generic_armv4_bs_rr_2, 82 generic_bs_rr_4, 83 NULL, 84 85 /* write (single) */ 86 NULL, /* bs_w_1, Use inline code in bus.h */ 87 NULL, /* bs_w_2, Use inline code in bus.h */ 88 NULL, /* bs_w_4, Use inline code in bus.h */ 89 NULL, /* bs_w_8, Use inline code in bus.h */ 90 91 /* write multiple */ 92 generic_bs_wm_1, 93 generic_armv4_bs_wm_2, 94 generic_bs_wm_4, 95 NULL, 96 97 /* write region */ 98 generic_bs_wr_1, 99 generic_armv4_bs_wr_2, 100 generic_bs_wr_4, 101 NULL, 102 103 /* set multiple */ 104 NULL, 105 NULL, 106 NULL, 107 NULL, 108 109 /* set region */ 110 generic_bs_sr_1, 111 generic_armv4_bs_sr_2, 112 generic_bs_sr_4, 113 NULL, 114 115 /* copy */ 116 NULL, 117 generic_armv4_bs_c_2, 118 NULL, 119 NULL, 120 121 /* read stream (single) */ 122 NULL, /* bs_r_1_s, Use inline code in bus.h */ 123 NULL, /* bs_r_2_s, Use inline code in bus.h */ 124 NULL, /* bs_r_4_s, Use inline code in bus.h */ 125 NULL, /* bs_r_8_s, Use inline code in bus.h */ 126 127 /* read multiple stream */ 128 NULL, 129 generic_armv4_bs_rm_2, /* bus_space_read_multi_stream_2 */ 130 NULL, 131 NULL, 132 133 /* read region stream */ 134 NULL, 135 NULL, 136 NULL, 137 NULL, 138 139 /* write stream (single) */ 140 NULL, /* bs_w_1_s, Use inline code in bus.h */ 141 NULL, /* bs_w_2_s, Use inline code in bus.h */ 142 NULL, /* bs_w_4_s, Use inline code in bus.h */ 143 NULL, /* bs_w_8_s, Use inline code in bus.h */ 144 145 /* write multiple stream */ 146 NULL, 147 generic_armv4_bs_wm_2, /* bus_space_write_multi_stream_2 */ 148 NULL, 149 NULL, 150 151 /* write region stream */ 152 NULL, 153 NULL, 154 NULL, 155 NULL 156}; 157 158bus_space_tag_t fdtbus_bs_tag = &_base_tag; 159