wdc_pnpbus.c revision 1.7
1 /* $NetBSD: wdc_pnpbus.c,v 1.7 2008/03/18 20:46:36 cube Exp $ */ 2 3 /*- 4 * Copyright (c) 1998, 2003 The NetBSD Foundation, Inc. 5 * All rights reserved. 6 * 7 * This code is derived from software contributed to The NetBSD Foundation 8 * by Charles M. Hannum and by Onno van der Linden. 9 * 10 * Redistribution and use in source and binary forms, with or without 11 * modification, are permitted provided that the following conditions 12 * are met: 13 * 1. Redistributions of source code must retain the above copyright 14 * notice, this list of conditions and the following disclaimer. 15 * 2. Redistributions in binary form must reproduce the above copyright 16 * notice, this list of conditions and the following disclaimer in the 17 * documentation and/or other materials provided with the distribution. 18 * 3. All advertising materials mentioning features or use of this software 19 * must display the following acknowledgement: 20 * This product includes software developed by the NetBSD 21 * Foundation, Inc. and its contributors. 22 * 4. Neither the name of The NetBSD Foundation nor the names of its 23 * contributors may be used to endorse or promote products derived 24 * from this software without specific prior written permission. 25 * 26 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 27 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 28 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 29 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 30 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 31 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 32 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 33 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 34 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 35 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 36 * POSSIBILITY OF SUCH DAMAGE. 37 */ 38 39 #include <sys/cdefs.h> 40 __KERNEL_RCSID(0, "$NetBSD: wdc_pnpbus.c,v 1.7 2008/03/18 20:46:36 cube Exp $"); 41 42 #include <sys/types.h> 43 #include <sys/param.h> 44 #include <sys/systm.h> 45 #include <sys/device.h> 46 #include <sys/malloc.h> 47 48 #include <machine/bus.h> 49 #include <machine/intr.h> 50 #include <machine/isa_machdep.h> 51 #include <machine/residual.h> 52 53 #include <dev/ata/atavar.h> 54 #include <dev/ic/wdcvar.h> 55 56 #include <prep/pnpbus/pnpbusvar.h> 57 58 /* options passed via the 'flags' config keyword */ 59 #define WDC_OPTIONS_32 0x01 /* try to use 32bit data I/O */ 60 61 struct wdc_pnpbus_softc { 62 struct wdc_softc sc_wdcdev; 63 struct ata_channel *sc_chanlist[1]; 64 struct ata_channel sc_channel; 65 struct ata_queue sc_chqueue; 66 struct wdc_regs sc_wdc_regs; 67 void *sc_ih; 68 }; 69 70 static int wdc_pnpbus_probe(device_t, cfdata_t, void *); 71 static void wdc_pnpbus_attach(device_t, device_t, void *); 72 73 CFATTACH_DECL_NEW(wdc_pnpbus, sizeof(struct wdc_pnpbus_softc), 74 wdc_pnpbus_probe, wdc_pnpbus_attach, NULL, NULL); 75 76 static int 77 wdc_pnpbus_probe(device_t parent, cfdata_t match, void *aux) 78 { 79 struct pnpbus_dev_attach_args *pna = aux; 80 int ret = 0; 81 82 /* XXX special case the Powerstack E1, it has wdc builtin on 14E 83 * while the siop is builtin on 14L. No idea how this works at all. 84 */ 85 if (strcmp(res->VitalProductData.PrintableModel, "(e1)") == 0) 86 return ret; 87 88 /* XXX special case the MTX604/mcp750. The onboard IDE is actually 89 * a PCIIDE chip. 90 */ 91 92 if (strcmp(res->VitalProductData.PrintableModel, 93 "000000000000000000000000000(e2)") == 0) 94 return ret; 95 96 if (strcmp(pna->pna_devid, "PNP0600") == 0) 97 ret = 1; 98 99 if (ret) 100 pnpbus_scan(pna, pna->pna_ppc_dev); 101 102 return ret; 103 } 104 105 static void 106 wdc_pnpbus_attach(device_t parent, device_t self, void *aux) 107 { 108 struct wdc_pnpbus_softc *sc = device_private(self); 109 struct wdc_regs *wdr; 110 struct pnpbus_dev_attach_args *pna = aux; 111 int cmd_iobase, cmd_len, aux_iobase, aux_len, i; 112 113 sc->sc_wdcdev.sc_atac.atac_dev = self; 114 sc->sc_wdcdev.regs = wdr = &sc->sc_wdc_regs; 115 116 wdr->cmd_iot = pna->pna_iot; 117 wdr->ctl_iot = pna->pna_iot; 118 pnpbus_getioport(&pna->pna_res, 0, &cmd_iobase, &cmd_len); 119 pnpbus_getioport(&pna->pna_res, 1, &aux_iobase, &aux_len); 120 121 if (pnpbus_io_map(&pna->pna_res, 0, &wdr->cmd_iot, &wdr->cmd_baseioh) || 122 pnpbus_io_map(&pna->pna_res, 1, &wdr->ctl_iot, &wdr->ctl_ioh)) { 123 aprint_error_dev(self, "couldn't map registers\n"); 124 } 125 126 for (i = 0; i < cmd_len; i++) { 127 if (bus_space_subregion(wdr->cmd_iot, 128 wdr->cmd_baseioh, i, i == 0 ? 4 : 1, 129 &wdr->cmd_iohs[i]) != 0) { 130 aprint_error(": couldn't subregion registers\n"); 131 return; 132 } 133 } 134 135 wdr->data32iot = wdr->cmd_iot; 136 wdr->data32ioh = wdr->cmd_iohs[0]; 137 138 sc->sc_wdcdev.cap |= WDC_CAPABILITY_PREATA; 139 sc->sc_wdcdev.sc_atac.atac_cap |= ATAC_CAP_DATA16; 140 if (device_cfdata(sc->sc_wdcdev.sc_atac.atac_dev)->cf_flags & 141 WDC_OPTIONS_32) 142 sc->sc_wdcdev.sc_atac.atac_cap |= ATAC_CAP_DATA32; 143 144 sc->sc_wdcdev.sc_atac.atac_pio_cap = 0; 145 sc->sc_chanlist[0] = &sc->sc_channel; 146 sc->sc_wdcdev.sc_atac.atac_channels = sc->sc_chanlist; 147 sc->sc_wdcdev.sc_atac.atac_nchannels = 1; 148 sc->sc_channel.ch_channel = 0; 149 sc->sc_channel.ch_atac = &sc->sc_wdcdev.sc_atac; 150 sc->sc_channel.ch_queue = &sc->sc_chqueue; 151 sc->sc_channel.ch_ndrive = 2; 152 wdc_init_shadow_regs(&sc->sc_channel); 153 154 sc->sc_ih = pnpbus_intr_establish(0, IPL_BIO, wdcintr, &sc->sc_channel, 155 &pna->pna_res); 156 157 aprint_normal("\n"); 158 wdcattach(&sc->sc_channel); 159 } 160
Indexes created Wed Oct 01 18:09:54 GMT 2025