1 /* $NetBSD: mca.c,v 1.30 2009/05/12 14:31:00 cegger 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 * 20 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 21 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 22 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 23 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 24 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 25 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 26 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 27 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 28 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 29 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 30 * POSSIBILITY OF SUCH DAMAGE. 31 */ 32 33 /* 34 * MCA Bus device 35 */ 36 37 #include <sys/cdefs.h> 38 __KERNEL_RCSID(0, "$NetBSD: mca.c,v 1.30 2009/05/12 14:31:00 cegger Exp $"); 39 40 #include <sys/param.h> 41 #include <sys/systm.h> 42 #include <sys/device.h> 43 44 #include <sys/bus.h> 45 #include <machine/mca_machdep.h> 46 47 #include <dev/mca/mcareg.h> 48 #include <dev/mca/mcavar.h> 49 #include <dev/mca/mcadevs.h> 50 51 #include "locators.h" 52 53 int mca_match(device_t, cfdata_t, void *); 54 void mca_attach(device_t, device_t, void *); 55 56 CFATTACH_DECL(mca, sizeof(struct device), 57 mca_match, mca_attach, NULL, NULL); 58 59 int mca_print(void *, const char *); 60 61 int 62 mca_match(device_t parent, cfdata_t cf, void *aux) 63 { 64 struct mcabus_attach_args *mba = aux; 65 66 /* sanity (only mca0 supported currently) */ 67 if (mba->mba_bus < 0 || mba->mba_bus > 0) 68 return (0); 69 70 /* XXX check other indicators? */ 71 72 return (1); 73 } 74 75 int 76 mca_print(void *aux, const char *pnp) 77 { 78 register struct mca_attach_args *ma = aux; 79 char devinfo[256]; 80 81 if (pnp) { 82 mca_devinfo(ma->ma_id, devinfo, sizeof(devinfo)); 83 aprint_normal("%s slot %d: %s", pnp, ma->ma_slot + 1, devinfo); 84 } 85 86 /* 87 * Print "configured" for Memory Extension boards - there is no 88 * meaningfull driver for them, they "just work". 89 */ 90 switch(ma->ma_id) { 91 case MCA_PRODUCT_HRAM: case MCA_PRODUCT_IQRAM: case MCA_PRODUCT_MICRAM: 92 case MCA_PRODUCT_ASTRAM: case MCA_PRODUCT_KINGRAM: 93 case MCA_PRODUCT_KINGRAM8: case MCA_PRODUCT_KINGRAM16: 94 case MCA_PRODUCT_KINGRAM609: case MCA_PRODUCT_HYPRAM: 95 case MCA_PRODUCT_QRAM1: case MCA_PRODUCT_QRAM2: case MCA_PRODUCT_EVERAM: 96 case MCA_PRODUCT_BOCARAM: case MCA_PRODUCT_IBMRAM1: 97 case MCA_PRODUCT_IBMRAM2: case MCA_PRODUCT_IBMRAM3: 98 case MCA_PRODUCT_IBMRAM4: case MCA_PRODUCT_IBMRAM5: 99 case MCA_PRODUCT_IBMRAM6: case MCA_PRODUCT_IBMRAM7: 100 aprint_normal(": memory configured\n"); 101 return (QUIET); 102 default: 103 return (UNCONF); 104 } 105 } 106 107 void 108 mca_attach(device_t parent, device_t self, void *aux) 109 { 110 struct mcabus_attach_args *mba = aux; 111 bus_space_tag_t iot, memt; 112 bus_dma_tag_t dmat; 113 mca_chipset_tag_t mc; 114 int slot; 115 116 mca_attach_hook(parent, self, mba); 117 printf("\n"); 118 119 iot = mba->mba_iot; 120 memt = mba->mba_memt; 121 mc = mba->mba_mc; 122 dmat = mba->mba_dmat; 123 124 /* 125 * Search for and attach subdevices. 126 * 127 * NB: In the adapter setup register, slots are numbered from 0, 128 * but officially they are numbered from 1. 129 * We use the former convention internally and the latter for text 130 * messages and in config files. 131 */ 132 133 for (slot = 0; slot < MCA_MAX_SLOTS; slot++) { 134 struct mca_attach_args ma; 135 int reg; 136 int locs[MCACF_NLOCS]; 137 138 ma.ma_iot = iot; 139 ma.ma_memt = memt; 140 ma.ma_dmat = dmat; 141 ma.ma_mc = mc; 142 ma.ma_slot = slot; 143 144 for(reg = 0; reg < 8; reg++) 145 ma.ma_pos[reg]=mca_conf_read(mc, slot, reg); 146 147 ma.ma_id = ma.ma_pos[0] + (ma.ma_pos[1] << 8); 148 if (ma.ma_id == 0xffff) /* no adapter here */ 149 continue; 150 151 locs[MCACF_SLOT] = slot; 152 153 if (ma.ma_pos[2] & MCA_POS2_ENABLE 154 || mca_match_disabled(ma.ma_id)) 155 config_found_sm_loc(self, "mca", locs, &ma, 156 mca_print, config_stdsubmatch); 157 else { 158 mca_print(&ma, device_xname(self)); 159 printf(" disabled\n"); 160 } 161 } 162 } 163