mca.c revision 1.20.20.1
1 /* $NetBSD: mca.c,v 1.20.20.1 2006/11/18 21:34:26 ad 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 1.20.20.1 2006/11/18 21:34:26 ad 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(struct device *, struct cfdata *, void *); 60 void mca_attach(struct device *, struct device *, void *); 61 62 CFATTACH_DECL(mca, sizeof(struct device), 63 mca_match, mca_attach, NULL, NULL); 64 65 int mca_print(void *, const char *); 66 67 int 68 mca_match(struct device *parent, struct cfdata *cf, void *aux) 69 { 70 struct mcabus_attach_args *mba = aux; 71 72 /* sanity (only mca0 supported currently) */ 73 if (mba->mba_bus < 0 || mba->mba_bus > 0) 74 return (0); 75 76 /* XXX check other indicators? */ 77 78 return (1); 79 } 80 81 int 82 mca_print(aux, pnp) 83 void *aux; 84 const char *pnp; 85 { 86 register struct mca_attach_args *ma = aux; 87 char devinfo[256]; 88 89 if (pnp) { 90 mca_devinfo(ma->ma_id, devinfo, sizeof(devinfo)); 91 aprint_normal("%s slot %d: %s", pnp, ma->ma_slot + 1, devinfo); 92 } 93 94 /* 95 * Print "configured" for Memory Extension boards - there is no 96 * meaningfull driver for them, they "just work". 97 */ 98 switch(ma->ma_id) { 99 case MCA_PRODUCT_HRAM: case MCA_PRODUCT_IQRAM: case MCA_PRODUCT_MICRAM: 100 case MCA_PRODUCT_ASTRAM: case MCA_PRODUCT_KINGRAM: 101 case MCA_PRODUCT_KINGRAM8: case MCA_PRODUCT_KINGRAM16: 102 case MCA_PRODUCT_KINGRAM609: case MCA_PRODUCT_HYPRAM: 103 case MCA_PRODUCT_QRAM1: case MCA_PRODUCT_QRAM2: case MCA_PRODUCT_EVERAM: 104 case MCA_PRODUCT_BOCARAM: case MCA_PRODUCT_IBMRAM1: 105 case MCA_PRODUCT_IBMRAM2: case MCA_PRODUCT_IBMRAM3: 106 case MCA_PRODUCT_IBMRAM4: case MCA_PRODUCT_IBMRAM5: 107 case MCA_PRODUCT_IBMRAM6: case MCA_PRODUCT_IBMRAM7: 108 aprint_normal(": memory configured\n"); 109 return (QUIET); 110 default: 111 return (UNCONF); 112 } 113 } 114 115 void 116 mca_attach(parent, self, aux) 117 struct device *parent, *self; 118 void *aux; 119 { 120 struct mcabus_attach_args *mba = aux; 121 bus_space_tag_t iot, memt; 122 bus_dma_tag_t dmat; 123 mca_chipset_tag_t mc; 124 int slot; 125 126 mca_attach_hook(parent, self, mba); 127 printf("\n"); 128 129 iot = mba->mba_iot; 130 memt = mba->mba_memt; 131 mc = mba->mba_mc; 132 dmat = mba->mba_dmat; 133 134 /* 135 * Search for and attach subdevices. 136 * 137 * NB: In the adapter setup register, slots are numbered from 0, 138 * but officially they are numbered from 1. 139 * We use the former convention internally and the latter for text 140 * messages and in config files. 141 */ 142 143 for (slot = 0; slot < MCA_MAX_SLOTS; slot++) { 144 struct mca_attach_args ma; 145 int reg; 146 int locs[MCACF_NLOCS]; 147 148 ma.ma_iot = iot; 149 ma.ma_memt = memt; 150 ma.ma_dmat = dmat; 151 ma.ma_mc = mc; 152 ma.ma_slot = slot; 153 154 for(reg = 0; reg < 8; reg++) 155 ma.ma_pos[reg]=mca_conf_read(mc, slot, reg); 156 157 ma.ma_id = ma.ma_pos[0] + (ma.ma_pos[1] << 8); 158 if (ma.ma_id == 0xffff) /* no adapter here */ 159 continue; 160 161 locs[MCACF_SLOT] = slot; 162 163 if (ma.ma_pos[2] & MCA_POS2_ENABLE 164 || mca_match_disabled(ma.ma_id)) 165 config_found_sm_loc(self, "mca", locs, &ma, 166 mca_print, config_stdsubmatch); 167 else { 168 mca_print(&ma, self->dv_xname); 169 printf(" disabled\n"); 170 } 171 } 172 } 173
Indexes created Thu Oct 23 18:09:57 GMT 2025