mca.c revision 1.8
1 /* $NetBSD: mca.c,v 1.8 2002/09/27 02:24:30 thorpej Exp $ */ 2 3 /*- 4 * Copyright (c) 2000, 2001 The NetBSD Foundation, Inc. 5 * Copyright (c) 1996-1999 Scott D. Telford. 6 * All rights reserved. 7 * 8 * This code is derived from software contributed to The NetBSD Foundation 9 * by Scott Telford <s.telford (at) ed.ac.uk>. 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 by the NetBSD 22 * Foundation, Inc. and its contributors. 23 * 4. Neither the name of The NetBSD Foundation nor the names of its 24 * contributors may be used to endorse or promote products derived 25 * from this software without specific prior written permission. 26 * 27 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 28 * ``AS IS'' AND 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 THE FOUNDATION OR CONTRIBUTORS 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 * MCA Bus device 42 */ 43 44 #include <sys/cdefs.h> 45 __KERNEL_RCSID(0, "$NetBSD: mca.c,v 1.8 2002/09/27 02:24:30 thorpej Exp $"); 46 47 #include <sys/param.h> 48 #include <sys/systm.h> 49 #include <sys/device.h> 50 51 #include <machine/bus.h> 52 53 #include <dev/mca/mcareg.h> 54 #include <dev/mca/mcavar.h> 55 #include <dev/mca/mcadevs.h> 56 57 int mca_match __P((struct device *, struct cfdata *, void *)); 58 void mca_attach __P((struct device *, struct device *, void *)); 59 60 struct cfattach mca_ca = { 61 sizeof(struct device), mca_match, mca_attach 62 }; 63 64 int mca_submatch __P((struct device *, struct cfdata *, void *)); 65 int mca_print __P((void *, const char *)); 66 67 int 68 mca_match(parent, cf, aux) 69 struct device *parent; 70 struct cfdata *cf; 71 void *aux; 72 { 73 struct mcabus_attach_args *mba = aux; 74 75 if (strcmp(mba->mba_busname, cf->cf_name)) 76 return (0); 77 78 /* sanity (only mca0 supported currently) */ 79 if (mba->mba_bus < 0 || mba->mba_bus > 0) 80 return (0); 81 82 /* XXX check other indicators? */ 83 84 return (1); 85 } 86 87 int 88 mca_print(aux, pnp) 89 void *aux; 90 const char *pnp; 91 { 92 register struct mca_attach_args *ma = aux; 93 char devinfo[256]; 94 95 if (pnp) { 96 mca_devinfo(ma->ma_id, devinfo); 97 printf("%s slot %d: %s", pnp, ma->ma_slot + 1, devinfo); 98 } 99 100 /* 101 * Print "configured" for Memory Extension boards - there is no 102 * meaningfull driver for them, they "just work". 103 */ 104 switch(ma->ma_id) { 105 case MCA_PRODUCT_HRAM: case MCA_PRODUCT_IQRAM: case MCA_PRODUCT_MICRAM: 106 case MCA_PRODUCT_ASTRAM: case MCA_PRODUCT_KINGRAM: 107 case MCA_PRODUCT_KINGRAM8: case MCA_PRODUCT_KINGRAM16: 108 case MCA_PRODUCT_KINGRAM609: case MCA_PRODUCT_HYPRAM: 109 case MCA_PRODUCT_QRAM1: case MCA_PRODUCT_QRAM2: case MCA_PRODUCT_EVERAM: 110 case MCA_PRODUCT_BOCARAM: case MCA_PRODUCT_IBMRAM1: 111 case MCA_PRODUCT_IBMRAM2: case MCA_PRODUCT_IBMRAM3: 112 case MCA_PRODUCT_IBMRAM4: case MCA_PRODUCT_IBMRAM5: 113 case MCA_PRODUCT_IBMRAM6: case MCA_PRODUCT_IBMRAM7: 114 printf(": memory configured\n"); 115 return (QUIET); 116 default: 117 return (UNCONF); 118 } 119 } 120 121 int 122 mca_submatch(parent, cf, aux) 123 struct device *parent; 124 struct cfdata *cf; 125 void *aux; 126 { 127 struct mca_attach_args *ma = aux; 128 129 if (cf->mcacf_slot != MCA_UNKNOWN_SLOT && 130 cf->mcacf_slot != ma->ma_slot) 131 return 0; 132 return ((*cf->cf_attach->ca_match)(parent, cf, aux)); 133 } 134 135 void 136 mca_attach(parent, self, aux) 137 struct device *parent, *self; 138 void *aux; 139 { 140 struct mcabus_attach_args *mba = aux; 141 bus_space_tag_t iot, memt; 142 bus_dma_tag_t dmat; 143 mca_chipset_tag_t mc; 144 int slot; 145 146 mca_attach_hook(parent, self, mba); 147 printf("\n"); 148 149 iot = mba->mba_iot; 150 memt = mba->mba_memt; 151 mc = mba->mba_mc; 152 dmat = mba->mba_dmat; 153 154 /* 155 * Search for and attach subdevices. 156 * 157 * NB: In the adapter setup register, slots are numbered from 0, 158 * but officially they are numbered from 1. 159 * We use the former convention internally and the latter for text 160 * messages and in config files. 161 */ 162 163 for (slot = 0; slot < MCA_MAX_SLOTS; slot++) { 164 struct mca_attach_args ma; 165 int reg; 166 167 ma.ma_iot = iot; 168 ma.ma_memt = memt; 169 ma.ma_dmat = dmat; 170 ma.ma_mc = mc; 171 ma.ma_slot = slot; 172 173 for(reg = 0; reg < 8; reg++) 174 ma.ma_pos[reg]=mca_conf_read(mc, slot, reg); 175 176 ma.ma_id = ma.ma_pos[0] + (ma.ma_pos[1] << 8); 177 if (ma.ma_id == 0xffff) /* no adapter here */ 178 continue; 179 180 if (ma.ma_pos[2] & MCA_POS2_ENABLE 181 || mca_match_disabled(ma.ma_id)) 182 config_found_sm(self, &ma, mca_print, mca_submatch); 183 else { 184 mca_print(&ma, self->dv_xname); 185 printf(" disabled\n"); 186 } 187 } 188 } 189
Indexes created Wed Oct 22 06:10:02 GMT 2025