1 /* $NetBSD: gemini_a4x_space.c,v 1.3 2018/03/16 17:56:31 ryo Exp $ */ 2 3 /* adapted from: 4 * NetBSD: pxa2x0_a4x_space.c,v 1.4 2006/07/28 08:15:29 simonb Exp 5 */ 6 7 /* 8 * Copyright (c) 2002 Genetec Corporation. All rights reserved. 9 * Written by Hiroyuki Bessho for Genetec Corporation. 10 * 11 * Redistribution and use in source and binary forms, with or without 12 * modification, are permitted provided that the following conditions 13 * are met: 14 * 1. Redistributions of source code must retain the above copyright 15 * notice, this list of conditions and the following disclaimer. 16 * 2. Redistributions in binary form must reproduce the above copyright 17 * notice, this list of conditions and the following disclaimer in the 18 * documentation and/or other materials provided with the distribution. 19 * 3. All advertising materials mentioning features or use of this software 20 * must display the following acknowledgement: 21 * This product includes software developed for the NetBSD Project by 22 * Genetec Corporation. 23 * 4. The name of Genetec Corporation may not be used to endorse or 24 * promote products derived from this software without specific prior 25 * written permission. 26 * 27 * THIS SOFTWARE IS PROVIDED BY GENETEC CORPORATION ``AS IS'' AND 28 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 29 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 30 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL GENETEC CORPORATION 31 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 32 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 33 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 34 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 35 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 36 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 37 * POSSIBILITY OF SUCH DAMAGE. 38 */ 39 40 /* 41 * Bus space tag for 8/16-bit devices on 32-bit bus. 42 * all registers are located at the address of multiple of 4. 43 */ 44 45 #include <sys/cdefs.h> 46 __KERNEL_RCSID(0, "$NetBSD: gemini_a4x_space.c,v 1.3 2018/03/16 17:56:31 ryo Exp $"); 47 48 #include <sys/param.h> 49 #include <sys/systm.h> 50 51 #include <uvm/uvm_extern.h> 52 53 #include <sys/bus.h> 54 55 /* Prototypes for all the bus_space structure functions */ 56 bs_protos(gemini); 57 bs_protos(a4x); 58 bs_protos(generic); 59 bs_protos(generic_armv4); 60 bs_protos(bs_notimpl); 61 62 struct bus_space gemini_a4x_bs_tag = { 63 /* cookie */ 64 .bs_cookie = (void *) 0, 65 66 /* mapping/unmapping */ 67 .bs_map = gemini_bs_map, 68 .bs_unmap = gemini_bs_unmap, 69 .bs_subregion = gemini_bs_subregion, 70 71 /* allocation/deallocation */ 72 .bs_alloc = gemini_bs_alloc, /* not implemented */ 73 .bs_free = gemini_bs_free, /* not implemented */ 74 75 /* get kernel virtual address */ 76 .bs_vaddr = gemini_bs_vaddr, 77 78 /* mmap */ 79 .bs_mmap = bs_notimpl_bs_mmap, 80 81 /* barrier */ 82 .bs_barrier = gemini_bs_barrier, 83 84 /* read (single) */ 85 .bs_r_1 = a4x_bs_r_1, 86 .bs_r_2 = a4x_bs_r_2, 87 .bs_r_4 = a4x_bs_r_4, 88 .bs_r_8 = bs_notimpl_bs_r_8, 89 90 /* read multiple */ 91 .bs_rm_1 = a4x_bs_rm_1, 92 .bs_rm_2 = a4x_bs_rm_2, 93 .bs_rm_4 = bs_notimpl_bs_rm_4, 94 .bs_rm_8 = bs_notimpl_bs_rm_8, 95 96 /* read region */ 97 .bs_rr_1 = bs_notimpl_bs_rr_1, 98 .bs_rr_2 = bs_notimpl_bs_rr_2, 99 .bs_rr_4 = bs_notimpl_bs_rr_4, 100 .bs_rr_8 = bs_notimpl_bs_rr_8, 101 102 /* write (single) */ 103 .bs_w_1 = a4x_bs_w_1, 104 .bs_w_2 = a4x_bs_w_2, 105 .bs_w_4 = a4x_bs_w_4, 106 .bs_w_8 = bs_notimpl_bs_w_8, 107 108 /* write multiple */ 109 .bs_wm_1 = a4x_bs_wm_1, 110 .bs_wm_2 = a4x_bs_wm_2, 111 .bs_wm_4 = bs_notimpl_bs_wm_4, 112 .bs_wm_8 = bs_notimpl_bs_wm_8, 113 114 /* write region */ 115 .bs_wr_1 = bs_notimpl_bs_wr_1, 116 .bs_wr_2 = bs_notimpl_bs_wr_2, 117 .bs_wr_4 = bs_notimpl_bs_wr_4, 118 .bs_wr_8 = bs_notimpl_bs_wr_8, 119 120 /* set multiple */ 121 .bs_sm_1 = bs_notimpl_bs_sm_1, 122 .bs_sm_2 = bs_notimpl_bs_sm_2, 123 .bs_sm_4 = bs_notimpl_bs_sm_4, 124 .bs_sm_8 = bs_notimpl_bs_sm_8, 125 126 /* set region */ 127 .bs_sr_1 = bs_notimpl_bs_sr_1, 128 .bs_sr_2 = bs_notimpl_bs_sr_2, 129 .bs_sr_4 = bs_notimpl_bs_sr_4, 130 .bs_sr_8 = bs_notimpl_bs_sr_8, 131 132 /* copy */ 133 .bs_c_1 = bs_notimpl_bs_c_1, 134 .bs_c_2 = bs_notimpl_bs_c_2, 135 .bs_c_4 = bs_notimpl_bs_c_4, 136 .bs_c_8 = bs_notimpl_bs_c_8, 137 }; 138