1 1.3 tsutsui /* $NetBSD: mm_md.c,v 1.3 2011/06/14 15:51:35 tsutsui Exp $ */ 2 1.2 rmind 3 1.2 rmind /* 4 1.2 rmind * Copyright (c) 1982, 1986, 1990, 1993 5 1.2 rmind * The Regents of the University of California. All rights reserved. 6 1.2 rmind * 7 1.2 rmind * This code is derived from software contributed to Berkeley by 8 1.2 rmind * the Systems Programming Group of the University of Utah Computer 9 1.2 rmind * Science Department. 10 1.2 rmind * 11 1.2 rmind * Redistribution and use in source and binary forms, with or without 12 1.2 rmind * modification, are permitted provided that the following conditions 13 1.2 rmind * are met: 14 1.2 rmind * 1. Redistributions of source code must retain the above copyright 15 1.2 rmind * notice, this list of conditions and the following disclaimer. 16 1.2 rmind * 2. Redistributions in binary form must reproduce the above copyright 17 1.2 rmind * notice, this list of conditions and the following disclaimer in the 18 1.2 rmind * documentation and/or other materials provided with the distribution. 19 1.2 rmind * 3. Neither the name of the University nor the names of its contributors 20 1.2 rmind * may be used to endorse or promote products derived from this software 21 1.2 rmind * without specific prior written permission. 22 1.2 rmind * 23 1.2 rmind * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 24 1.2 rmind * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 25 1.2 rmind * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 26 1.2 rmind * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 27 1.2 rmind * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 28 1.2 rmind * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 29 1.2 rmind * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 30 1.2 rmind * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 31 1.2 rmind * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 32 1.2 rmind * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 33 1.2 rmind * SUCH DAMAGE. 34 1.2 rmind * 35 1.2 rmind * from: @(#)mem.c 8.3 (Berkeley) 1/12/94 36 1.2 rmind */ 37 1.2 rmind 38 1.2 rmind /* 39 1.2 rmind * Copyright (c) 1994, 1995 Gordon W. Ross 40 1.2 rmind * Copyright (c) 1993 Adam Glass 41 1.2 rmind * Copyright (c) 1988 University of Utah. 42 1.2 rmind * 43 1.2 rmind * This code is derived from software contributed to Berkeley by 44 1.2 rmind * the Systems Programming Group of the University of Utah Computer 45 1.2 rmind * Science Department. 46 1.2 rmind * 47 1.2 rmind * Redistribution and use in source and binary forms, with or without 48 1.2 rmind * modification, are permitted provided that the following conditions 49 1.2 rmind * are met: 50 1.2 rmind * 1. Redistributions of source code must retain the above copyright 51 1.2 rmind * notice, this list of conditions and the following disclaimer. 52 1.2 rmind * 2. Redistributions in binary form must reproduce the above copyright 53 1.2 rmind * notice, this list of conditions and the following disclaimer in the 54 1.2 rmind * documentation and/or other materials provided with the distribution. 55 1.2 rmind * 3. All advertising materials mentioning features or use of this software 56 1.2 rmind * must display the following acknowledgement: 57 1.2 rmind * This product includes software developed by the University of 58 1.2 rmind * California, Berkeley and its contributors. 59 1.2 rmind * 4. Neither the name of the University nor the names of its contributors 60 1.2 rmind * may be used to endorse or promote products derived from this software 61 1.2 rmind * without specific prior written permission. 62 1.2 rmind * 63 1.2 rmind * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 64 1.2 rmind * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 65 1.2 rmind * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 66 1.2 rmind * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 67 1.2 rmind * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 68 1.2 rmind * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 69 1.2 rmind * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 70 1.2 rmind * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 71 1.2 rmind * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 72 1.2 rmind * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 73 1.2 rmind * SUCH DAMAGE. 74 1.2 rmind * 75 1.2 rmind * from: @(#)mem.c 8.3 (Berkeley) 1/12/94 76 1.2 rmind */ 77 1.2 rmind 78 1.2 rmind #include <sys/cdefs.h> 79 1.3 tsutsui __KERNEL_RCSID(0, "$NetBSD: mm_md.c,v 1.3 2011/06/14 15:51:35 tsutsui Exp $"); 80 1.2 rmind 81 1.2 rmind #include <sys/param.h> 82 1.2 rmind #include <sys/errno.h> 83 1.2 rmind #include <uvm/uvm_extern.h> 84 1.2 rmind #include <machine/leds.h> 85 1.2 rmind #include <machine/pmap.h> 86 1.2 rmind #include <dev/mm.h> 87 1.2 rmind 88 1.2 rmind #define DEV_VME16D16 5 /* minor device 5 is /dev/vme16d16 */ 89 1.2 rmind #define DEV_VME24D16 6 /* minor device 6 is /dev/vme24d16 */ 90 1.2 rmind #define DEV_EEPROM 11 /* minor device 11 is eeprom */ 91 1.2 rmind #define DEV_LEDS 13 /* minor device 13 is leds */ 92 1.2 rmind 93 1.2 rmind int 94 1.2 rmind mm_md_readwrite(dev_t dev, struct uio *uio) 95 1.2 rmind { 96 1.2 rmind 97 1.2 rmind switch (minor(dev)) { 98 1.2 rmind case DEV_LEDS: 99 1.2 rmind return leds_uio(uio); 100 1.2 rmind default: 101 1.2 rmind return ENXIO; 102 1.2 rmind } 103 1.2 rmind } 104 1.2 rmind 105 1.2 rmind paddr_t 106 1.2 rmind mm_md_mmap(dev_t dev, off_t off, int prot) 107 1.2 rmind { 108 1.2 rmind 109 1.2 rmind switch (minor(dev)) { 110 1.2 rmind case DEV_VME16D16: 111 1.2 rmind if (off & 0xffff0000) 112 1.2 rmind return -1; 113 1.2 rmind off |= 0xff0000; 114 1.2 rmind /* fall through */ 115 1.2 rmind case DEV_VME24D16: 116 1.2 rmind if (off & 0xff000000) 117 1.2 rmind return -1; 118 1.2 rmind return (off | (off & 0x800000 ? PMAP_VME8: PMAP_VME0)); 119 1.2 rmind default: 120 1.2 rmind return (-1); 121 1.2 rmind } 122 1.2 rmind } 123
Indexes created Tue Sep 23 02:09:52 GMT 2025