1 /* $NetBSD: mm_md.c,v 1.3 2013/09/06 17:43:19 tsutsui Exp $ */ 2 3 /* 4 * Copyright (c) 1982, 1986, 1990, 1993 5 * The Regents of the University of California. All rights reserved. 6 * 7 * This code is derived from software contributed to Berkeley by 8 * the Systems Programming Group of the University of Utah Computer 9 * Science Department. 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. Neither the name of the University nor the names of its contributors 20 * may be used to endorse or promote products derived from this software 21 * without specific prior written permission. 22 * 23 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 24 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 25 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 26 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 27 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 28 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 29 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 30 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 31 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 32 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 33 * SUCH DAMAGE. 34 * 35 * from: @(#)mem.c 8.3 (Berkeley) 1/12/94 36 */ 37 38 /* 39 * Copyright (c) 1988 University of Utah. 40 * 41 * This code is derived from software contributed to Berkeley by 42 * the Systems Programming Group of the University of Utah Computer 43 * Science Department. 44 * 45 * Redistribution and use in source and binary forms, with or without 46 * modification, are permitted provided that the following conditions 47 * are met: 48 * 1. Redistributions of source code must retain the above copyright 49 * notice, this list of conditions and the following disclaimer. 50 * 2. Redistributions in binary form must reproduce the above copyright 51 * notice, this list of conditions and the following disclaimer in the 52 * documentation and/or other materials provided with the distribution. 53 * 3. All advertising materials mentioning features or use of this software 54 * must display the following acknowledgement: 55 * This product includes software developed by the University of 56 * California, Berkeley and its contributors. 57 * 4. Neither the name of the University nor the names of its contributors 58 * may be used to endorse or promote products derived from this software 59 * without specific prior written permission. 60 * 61 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 62 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 63 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 64 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 65 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 66 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 67 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 68 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 69 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 70 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 71 * SUCH DAMAGE. 72 * 73 * from: @(#)mem.c 8.3 (Berkeley) 1/12/94 74 */ 75 76 #include <sys/cdefs.h> 77 __KERNEL_RCSID(0, "$NetBSD: mm_md.c,v 1.3 2013/09/06 17:43:19 tsutsui Exp $"); 78 79 #include <sys/param.h> 80 #include <sys/errno.h> 81 #include <uvm/uvm_extern.h> 82 #include <machine/eeprom.h> 83 #include <machine/leds.h> 84 #include <machine/pmap.h> 85 #include <dev/mm.h> 86 87 #define DEV_VME16D16 5 /* minor device 5 is /dev/vme16d16 */ 88 #define DEV_VME24D16 6 /* minor device 6 is /dev/vme24d16 */ 89 #define DEV_VME32D16 7 /* minor device 7 is /dev/vme32d16 */ 90 #define DEV_VME16D32 8 /* minor device 8 is /dev/vme16d32 */ 91 #define DEV_VME24D32 9 /* minor device 9 is /dev/vme24d32 */ 92 #define DEV_VME32D32 10 /* minor device 10 is /dev/vme32d32 */ 93 #define DEV_EEPROM 11 /* minor device 11 is eeprom */ 94 #define DEV_LEDS 13 /* minor device 13 is leds */ 95 96 int 97 mm_md_readwrite(dev_t dev, struct uio *uio) 98 { 99 100 switch (minor(dev)) { 101 case DEV_EEPROM: 102 return eeprom_uio(uio); 103 case DEV_LEDS: 104 return leds_uio(uio); 105 default: 106 return ENXIO; 107 } 108 } 109 110 paddr_t 111 mm_md_mmap(dev_t dev, off_t off, int prot) 112 { 113 114 switch (minor(dev)) { 115 #if 0 /* not yet */ 116 case DEV_VME16D16: 117 if (off & 0xffff0000) 118 return -1; 119 off |= 0xff0000; 120 /* fall through */ 121 case DEV_VME24D16: 122 if (off & 0xff000000) 123 return -1; 124 off |= 0xff000000; 125 /* fall through */ 126 case DEV_VME32D16: 127 return (off | PMAP_VME16); 128 129 case DEV_VME16D32: 130 if (off & 0xffff0000) 131 return -1; 132 off |= 0xff0000; 133 /* fall through */ 134 case DEV_VME24D32: 135 if (off & 0xff000000) 136 return -1; 137 off |= 0xff000000; 138 /* fall through */ 139 case DEV_VME32D32: 140 return off | PMAP_VME32; 141 #endif 142 default: 143 return -1; 144 } 145 } 146
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