1 /* $NetBSD: ibus_pmax.c,v 1.24 2016/11/16 19:37:06 macallan Exp $ */ 2 3 /* 4 * Copyright (c) 1998 Jonathan Stone. All rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: 9 * 1. Redistributions of source code must retain the above copyright 10 * notice, this list of conditions and the following disclaimer. 11 * 2. Redistributions in binary form must reproduce the above copyright 12 * notice, this list of conditions and the following disclaimer in the 13 * documentation and/or other materials provided with the distribution. 14 * 3. All advertising materials mentioning features or use of this software 15 * must display the following acknowledgement: 16 * This product includes software developed by Jonathan Stone for 17 * the NetBSD Project. 18 * 4. The name of the author may not be used to endorse or promote products 19 * derived from this software without specific prior written permission. 20 * 21 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 22 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 23 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 24 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 25 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 26 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 27 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 28 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 29 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 30 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 31 */ 32 33 #include <sys/cdefs.h> /* RCS ID & Copyright macro defns */ 34 __KERNEL_RCSID(0, "$NetBSD: ibus_pmax.c,v 1.24 2016/11/16 19:37:06 macallan Exp $"); 35 36 #include "opt_dec_3100.h" 37 #include "opt_dec_5100.h" 38 39 #include <sys/param.h> 40 #include <sys/device.h> 41 #include <sys/systm.h> 42 43 #include <pmax/ibus/ibusvar.h> 44 45 #include <pmax/autoconf.h> 46 #include <pmax/sysconf.h> 47 48 #include <pmax/pmax/kn01.h> 49 #include <pmax/pmax/kn230.h> 50 #include <pmax/pmax/pmaxtype.h> 51 52 static int ibus_pmax_match(device_t, cfdata_t, void *); 53 static void ibus_pmax_attach(device_t, device_t, void *); 54 55 CFATTACH_DECL_NEW(ibus_pmax, 0, 56 ibus_pmax_match, ibus_pmax_attach, NULL, NULL); 57 58 #define KV(x) MIPS_PHYS_TO_KSEG1(x) 59 60 #ifdef DEC_3100 61 static struct ibus_attach_args ibus_pmax_devs[] = { 62 { "pm", SYS_DEV_BOGUS, KV(KN01_PHYS_FBUF_START), 0 }, 63 { "dc", SYS_DEV_SCC0, KV(KN01_SYS_DZ), 0 }, 64 { "lance", SYS_DEV_LANCE, KV(KN01_SYS_LANCE), 0 }, 65 { "sii", SYS_DEV_SCSI, KV(KN01_SYS_SII), 0 }, 66 { "mc146818", SYS_DEV_BOGUS, KV(KN01_SYS_CLOCK), 0 }, 67 }; 68 #endif /* DEC_3100 */ 69 70 #ifdef DEC_5100 71 static struct ibus_attach_args ibus_mipsmate_devs[] = { 72 { "dc", SYS_DEV_SCC0, KV(KN230_SYS_DZ0), 0 }, 73 { "lance", SYS_DEV_LANCE, KV(KN230_SYS_LANCE), 0 }, 74 { "sii", SYS_DEV_SCSI, KV(KN230_SYS_SII), 0 }, 75 { "mc146818", SYS_DEV_BOGUS, KV(KN230_SYS_CLOCK), 0 }, 76 #if 0 /* 5100 locks up when these are probed at the moment */ 77 { "dc", SYS_DEV_OPT0, KV(KN230_SYS_DZ1), 0 }, 78 { "dc", SYS_DEV_OPT1, KV(KN230_SYS_DZ2), 0 }, 79 /* 80 * Ultrix configures it at 0x86400400. The first 0x400 bytes 81 * used for NVRAM state?? 82 * 83 * The first 0x400 bytes are apparently used for diagnostic 84 * registers - ad 85 */ 86 { "nvram", SYS_DEV_BOGUS, KV(0x86400000), 0 }, 87 #endif 88 }; 89 #endif /* DEC_5100 */ 90 91 static int ibus_attached; 92 93 static int 94 ibus_pmax_match(device_t parent, cfdata_t cf, void *aux) 95 { 96 struct mainbus_attach_args *ma = aux; 97 98 if (ibus_attached) 99 return (0); 100 if (systype != DS_PMAX && systype != DS_MIPSMATE) 101 return (0); 102 if (strcmp(ma->ma_name, "baseboard") != 0) 103 return (0); 104 105 return (1); 106 } 107 108 static void 109 ibus_pmax_attach(device_t parent, device_t self, void *aux) 110 { 111 struct ibus_dev_attach_args ida; 112 113 ibus_attached = 1; 114 115 ida.ida_busname = "ibus"; 116 ida.ida_memt = normal_memt; 117 switch (systype) { 118 #ifdef DEC_3100 119 case DS_PMAX: 120 ida.ida_devs = ibus_pmax_devs; 121 ida.ida_ndevs = __arraycount(ibus_pmax_devs); 122 break; 123 #endif 124 #ifdef DEC_5100 125 case DS_MIPSMATE: 126 ida.ida_devs = ibus_mipsmate_devs; 127 ida.ida_ndevs = __arraycount(ibus_mipsmate_devs); 128 break; 129 #endif 130 default: 131 panic("ibus_pmax_attach: no ibus configured for systype = %d", systype); 132 } 133 134 ibusattach(parent, self, &ida); 135 } 136