1 /* $NetBSD: wdc_ts.c,v 1.3 2006/01/16 20:30:19 bouyer 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_ts.c,v 1.3 2006/01/16 20:30:19 bouyer Exp $"); 41 42 #include <sys/param.h> 43 #include <sys/systm.h> 44 #include <sys/device.h> 45 #include <sys/malloc.h> 46 47 #include <machine/bus.h> 48 #include <machine/intr.h> 49 50 #include <arm/ep93xx/ep93xxvar.h> 51 52 #include <dev/ic/wdcreg.h> 53 #include <dev/ata/atavar.h> 54 #include <dev/ic/wdcvar.h> 55 #include <evbarm/tsarm/tspldvar.h> 56 57 struct wdc_ts_softc { 58 struct wdc_softc sc_wdcdev; 59 struct ata_channel *wdc_chanlist[1]; 60 struct ata_channel ata_channel; 61 struct ata_queue wdc_chqueue; 62 struct wdc_regs wdc_regs; 63 void *sc_ih; 64 }; 65 66 static int wdc_ts_probe(struct device *, struct cfdata *, void *); 67 static void wdc_ts_attach(struct device *, struct device *, void *); 68 69 CFATTACH_DECL(wdc_ts, sizeof(struct wdc_ts_softc), 70 wdc_ts_probe, wdc_ts_attach, NULL, NULL); 71 72 static int 73 wdc_ts_probe(struct device *parent, struct cfdata *match, void *aux) 74 { 75 return 1; 76 } 77 78 static void 79 wdc_ts_attach(struct device *parent, struct device *self, void *aux) 80 { 81 struct wdc_ts_softc *sc = (void *)self; 82 struct wdc_regs *wdr; 83 struct tspld_attach_args *ta = aux; 84 int i; 85 86 sc->sc_wdcdev.regs = wdr = &sc->wdc_regs; 87 wdr->cmd_iot = ta->ta_iot; 88 wdr->ctl_iot = ta->ta_iot; 89 if (bus_space_map(wdr->cmd_iot, 0x11000000, 8, 0, &wdr->cmd_baseioh) || 90 bus_space_map(wdr->ctl_iot, 0x10400006, 1, 0, &wdr->ctl_ioh)) { 91 printf(": couldn't map registers\n"); 92 return; 93 } 94 95 for (i = 0; i < 8; i++) { 96 if (bus_space_subregion(wdr->cmd_iot, 97 wdr->cmd_baseioh, i, 1, &wdr->cmd_iohs[i]) != 0) { 98 printf(": couldn't subregion registers\n"); 99 return; 100 } 101 } 102 103 104 if (bus_space_map(wdr->cmd_iot, 0x21000000, 2, 0, &wdr->cmd_iohs[0])) { 105 printf(": couldn't map registers\n"); 106 return; 107 } 108 109 sc->sc_wdcdev.cap |= WDC_CAPABILITY_PREATA; 110 sc->sc_wdcdev.sc_atac.atac_cap |= ATAC_CAP_DATA16; 111 112 sc->sc_wdcdev.sc_atac.atac_pio_cap = 0; 113 sc->wdc_chanlist[0] = &sc->ata_channel; 114 sc->sc_wdcdev.sc_atac.atac_channels = sc->wdc_chanlist; 115 sc->sc_wdcdev.sc_atac.atac_nchannels = 1; 116 sc->ata_channel.ch_channel = 0; 117 sc->ata_channel.ch_atac = &sc->sc_wdcdev.sc_atac; 118 sc->ata_channel.ch_queue = &sc->wdc_chqueue; 119 sc->ata_channel.ch_ndrive = 2; 120 wdc_init_shadow_regs(&sc->ata_channel); 121 122 printf("\n"); 123 124 sc->sc_ih = ep93xx_intr_establish(32, IPL_BIO, wdcintr, &sc->ata_channel); 125 126 wdcattach(&sc->ata_channel); 127 } 128