1 /* $NetBSD: mca.c,v 1.16 2004/08/30 18:27:21 drochner 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@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 1.16 2004/08/30 18:27:21 drochner 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 #include "locators.h" 58 59 int mca_match __P((struct device *, struct cfdata *, void *)); 60 void mca_attach __P((struct device *, struct device *, void *)); 61 62 CFATTACH_DECL(mca, sizeof(struct device), 63 mca_match, mca_attach, NULL, NULL); 64 65 int mca_submatch __P((struct device *, struct cfdata *, 66 const locdesc_t *, void *)); 67 int mca_print __P((void *, const char *)); 68 69 int 70 mca_match(parent, cf, aux) 71 struct device *parent; 72 struct cfdata *cf; 73 void *aux; 74 { 75 struct mcabus_attach_args *mba = aux; 76 77 /* sanity (only mca0 supported currently) */ 78 if (mba->mba_bus < 0 || mba->mba_bus > 0) 79 return (0); 80 81 /* XXX check other indicators? */ 82 83 return (1); 84 } 85 86 int 87 mca_print(aux, pnp) 88 void *aux; 89 const char *pnp; 90 { 91 register struct mca_attach_args *ma = aux; 92 char devinfo[256]; 93 94 if (pnp) { 95 mca_devinfo(ma->ma_id, devinfo, sizeof(devinfo)); 96 aprint_normal("%s slot %d: %s", pnp, ma->ma_slot + 1, devinfo); 97 } 98 99 /* 100 * Print "configured" for Memory Extension boards - there is no 101 * meaningfull driver for them, they "just work". 102 */ 103 switch(ma->ma_id) { 104 case MCA_PRODUCT_HRAM: case MCA_PRODUCT_IQRAM: case MCA_PRODUCT_MICRAM: 105 case MCA_PRODUCT_ASTRAM: case MCA_PRODUCT_KINGRAM: 106 case MCA_PRODUCT_KINGRAM8: case MCA_PRODUCT_KINGRAM16: 107 case MCA_PRODUCT_KINGRAM609: case MCA_PRODUCT_HYPRAM: 108 case MCA_PRODUCT_QRAM1: case MCA_PRODUCT_QRAM2: case MCA_PRODUCT_EVERAM: 109 case MCA_PRODUCT_BOCARAM: case MCA_PRODUCT_IBMRAM1: 110 case MCA_PRODUCT_IBMRAM2: case MCA_PRODUCT_IBMRAM3: 111 case MCA_PRODUCT_IBMRAM4: case MCA_PRODUCT_IBMRAM5: 112 case MCA_PRODUCT_IBMRAM6: case MCA_PRODUCT_IBMRAM7: 113 aprint_normal(": memory configured\n"); 114 return (QUIET); 115 default: 116 return (UNCONF); 117 } 118 } 119 120 int 121 mca_submatch(parent, cf, ldesc, aux) 122 struct device *parent; 123 struct cfdata *cf; 124 const locdesc_t *ldesc; 125 void *aux; 126 { 127 128 if (cf->cf_loc[MCACF_SLOT] != MCACF_SLOT_DEFAULT && 129 cf->cf_loc[MCACF_SLOT] != ldesc->locs[MCACF_SLOT]) 130 return 0; 131 return (config_match(parent, cf, aux)); 132 } 133 134 void 135 mca_attach(parent, self, aux) 136 struct device *parent, *self; 137 void *aux; 138 { 139 struct mcabus_attach_args *mba = aux; 140 bus_space_tag_t iot, memt; 141 bus_dma_tag_t dmat; 142 mca_chipset_tag_t mc; 143 int slot; 144 145 mca_attach_hook(parent, self, mba); 146 printf("\n"); 147 148 iot = mba->mba_iot; 149 memt = mba->mba_memt; 150 mc = mba->mba_mc; 151 dmat = mba->mba_dmat; 152 153 /* 154 * Search for and attach subdevices. 155 * 156 * NB: In the adapter setup register, slots are numbered from 0, 157 * but officially they are numbered from 1. 158 * We use the former convention internally and the latter for text 159 * messages and in config files. 160 */ 161 162 for (slot = 0; slot < MCA_MAX_SLOTS; slot++) { 163 struct mca_attach_args ma; 164 int reg; 165 int help[2]; 166 locdesc_t *ldesc = (void *)help; /* XXX */ 167 168 ma.ma_iot = iot; 169 ma.ma_memt = memt; 170 ma.ma_dmat = dmat; 171 ma.ma_mc = mc; 172 ma.ma_slot = slot; 173 174 for(reg = 0; reg < 8; reg++) 175 ma.ma_pos[reg]=mca_conf_read(mc, slot, reg); 176 177 ma.ma_id = ma.ma_pos[0] + (ma.ma_pos[1] << 8); 178 if (ma.ma_id == 0xffff) /* no adapter here */ 179 continue; 180 181 ldesc->len = 1; 182 ldesc->locs[MCACF_SLOT] = slot; 183 184 if (ma.ma_pos[2] & MCA_POS2_ENABLE 185 || mca_match_disabled(ma.ma_id)) 186 config_found_sm_loc(self, "mca", ldesc, &ma, 187 mca_print, mca_submatch); 188 else { 189 mca_print(&ma, self->dv_xname); 190 printf(" disabled\n"); 191 } 192 } 193 } 194