1 /* $NetBSD: mca.c,v 1.24 2007/10/19 12:00:35 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@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 1.24 2007/10/19 12:00:35 ad Exp $"); 46 47 #include <sys/param.h> 48 #include <sys/systm.h> 49 #include <sys/device.h> 50 51 #include <sys/bus.h> 52 #include <machine/mca_machdep.h> 53 54 #include <dev/mca/mcareg.h> 55 #include <dev/mca/mcavar.h> 56 #include <dev/mca/mcadevs.h> 57 58 #include "locators.h" 59 60 int mca_match(struct device *, struct cfdata *, void *); 61 void mca_attach(struct device *, struct device *, void *); 62 63 CFATTACH_DECL(mca, sizeof(struct device), 64 mca_match, mca_attach, NULL, NULL); 65 66 int mca_print(void *, const char *); 67 68 int 69 mca_match(struct device *parent, struct cfdata *cf, void *aux) 70 { 71 struct mcabus_attach_args *mba = aux; 72 73 /* sanity (only mca0 supported currently) */ 74 if (mba->mba_bus < 0 || mba->mba_bus > 0) 75 return (0); 76 77 /* XXX check other indicators? */ 78 79 return (1); 80 } 81 82 int 83 mca_print(aux, pnp) 84 void *aux; 85 const char *pnp; 86 { 87 register struct mca_attach_args *ma = aux; 88 char devinfo[256]; 89 90 if (pnp) { 91 mca_devinfo(ma->ma_id, devinfo, sizeof(devinfo)); 92 aprint_normal("%s slot %d: %s", pnp, ma->ma_slot + 1, devinfo); 93 } 94 95 /* 96 * Print "configured" for Memory Extension boards - there is no 97 * meaningfull driver for them, they "just work". 98 */ 99 switch(ma->ma_id) { 100 case MCA_PRODUCT_HRAM: case MCA_PRODUCT_IQRAM: case MCA_PRODUCT_MICRAM: 101 case MCA_PRODUCT_ASTRAM: case MCA_PRODUCT_KINGRAM: 102 case MCA_PRODUCT_KINGRAM8: case MCA_PRODUCT_KINGRAM16: 103 case MCA_PRODUCT_KINGRAM609: case MCA_PRODUCT_HYPRAM: 104 case MCA_PRODUCT_QRAM1: case MCA_PRODUCT_QRAM2: case MCA_PRODUCT_EVERAM: 105 case MCA_PRODUCT_BOCARAM: case MCA_PRODUCT_IBMRAM1: 106 case MCA_PRODUCT_IBMRAM2: case MCA_PRODUCT_IBMRAM3: 107 case MCA_PRODUCT_IBMRAM4: case MCA_PRODUCT_IBMRAM5: 108 case MCA_PRODUCT_IBMRAM6: case MCA_PRODUCT_IBMRAM7: 109 aprint_normal(": memory configured\n"); 110 return (QUIET); 111 default: 112 return (UNCONF); 113 } 114 } 115 116 void 117 mca_attach(parent, self, aux) 118 struct device *parent, *self; 119 void *aux; 120 { 121 struct mcabus_attach_args *mba = aux; 122 bus_space_tag_t iot, memt; 123 bus_dma_tag_t dmat; 124 mca_chipset_tag_t mc; 125 int slot; 126 127 mca_attach_hook(parent, self, mba); 128 printf("\n"); 129 130 iot = mba->mba_iot; 131 memt = mba->mba_memt; 132 mc = mba->mba_mc; 133 dmat = mba->mba_dmat; 134 135 /* 136 * Search for and attach subdevices. 137 * 138 * NB: In the adapter setup register, slots are numbered from 0, 139 * but officially they are numbered from 1. 140 * We use the former convention internally and the latter for text 141 * messages and in config files. 142 */ 143 144 for (slot = 0; slot < MCA_MAX_SLOTS; slot++) { 145 struct mca_attach_args ma; 146 int reg; 147 int locs[MCACF_NLOCS]; 148 149 ma.ma_iot = iot; 150 ma.ma_memt = memt; 151 ma.ma_dmat = dmat; 152 ma.ma_mc = mc; 153 ma.ma_slot = slot; 154 155 for(reg = 0; reg < 8; reg++) 156 ma.ma_pos[reg]=mca_conf_read(mc, slot, reg); 157 158 ma.ma_id = ma.ma_pos[0] + (ma.ma_pos[1] << 8); 159 if (ma.ma_id == 0xffff) /* no adapter here */ 160 continue; 161 162 locs[MCACF_SLOT] = slot; 163 164 if (ma.ma_pos[2] & MCA_POS2_ENABLE 165 || mca_match_disabled(ma.ma_id)) 166 config_found_sm_loc(self, "mca", locs, &ma, 167 mca_print, config_stdsubmatch); 168 else { 169 mca_print(&ma, self->dv_xname); 170 printf(" disabled\n"); 171 } 172 } 173 } 174