bf1a4d2af5
- initialize it properly in the bus front-ends (all 2, exept in wdc_pcmcia.c for the "Sandisk CompactFlash Card" where it's set to 1) - remplace hardcoded '2' by ata_channel->ch_ndrive in MI IDE drivers. From Christos Zoulas in kern/32501.
128 lines
4.3 KiB
C
128 lines
4.3 KiB
C
/* $NetBSD: wdc_ts.c,v 1.3 2006/01/16 20:30:19 bouyer Exp $ */
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/*-
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* Copyright (c) 1998, 2003 The NetBSD Foundation, Inc.
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* All rights reserved.
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*
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* This code is derived from software contributed to The NetBSD Foundation
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* by Charles M. Hannum and by Onno van der Linden.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by the NetBSD
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* Foundation, Inc. and its contributors.
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* 4. Neither the name of The NetBSD Foundation nor the names of its
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
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* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <sys/cdefs.h>
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__KERNEL_RCSID(0, "$NetBSD: wdc_ts.c,v 1.3 2006/01/16 20:30:19 bouyer Exp $");
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#include <sys/param.h>
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#include <sys/systm.h>
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#include <sys/device.h>
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#include <sys/malloc.h>
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#include <machine/bus.h>
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#include <machine/intr.h>
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#include <arm/ep93xx/ep93xxvar.h>
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#include <dev/ic/wdcreg.h>
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#include <dev/ata/atavar.h>
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#include <dev/ic/wdcvar.h>
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#include <evbarm/tsarm/tspldvar.h>
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struct wdc_ts_softc {
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struct wdc_softc sc_wdcdev;
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struct ata_channel *wdc_chanlist[1];
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struct ata_channel ata_channel;
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struct ata_queue wdc_chqueue;
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struct wdc_regs wdc_regs;
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void *sc_ih;
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};
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static int wdc_ts_probe(struct device *, struct cfdata *, void *);
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static void wdc_ts_attach(struct device *, struct device *, void *);
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CFATTACH_DECL(wdc_ts, sizeof(struct wdc_ts_softc),
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wdc_ts_probe, wdc_ts_attach, NULL, NULL);
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static int
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wdc_ts_probe(struct device *parent, struct cfdata *match, void *aux)
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{
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return 1;
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}
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static void
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wdc_ts_attach(struct device *parent, struct device *self, void *aux)
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{
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struct wdc_ts_softc *sc = (void *)self;
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struct wdc_regs *wdr;
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struct tspld_attach_args *ta = aux;
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int i;
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sc->sc_wdcdev.regs = wdr = &sc->wdc_regs;
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wdr->cmd_iot = ta->ta_iot;
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wdr->ctl_iot = ta->ta_iot;
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if (bus_space_map(wdr->cmd_iot, 0x11000000, 8, 0, &wdr->cmd_baseioh) ||
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bus_space_map(wdr->ctl_iot, 0x10400006, 1, 0, &wdr->ctl_ioh)) {
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printf(": couldn't map registers\n");
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return;
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}
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for (i = 0; i < 8; i++) {
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if (bus_space_subregion(wdr->cmd_iot,
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wdr->cmd_baseioh, i, 1, &wdr->cmd_iohs[i]) != 0) {
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printf(": couldn't subregion registers\n");
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return;
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}
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}
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if (bus_space_map(wdr->cmd_iot, 0x21000000, 2, 0, &wdr->cmd_iohs[0])) {
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printf(": couldn't map registers\n");
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return;
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}
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sc->sc_wdcdev.cap |= WDC_CAPABILITY_PREATA;
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sc->sc_wdcdev.sc_atac.atac_cap |= ATAC_CAP_DATA16;
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sc->sc_wdcdev.sc_atac.atac_pio_cap = 0;
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sc->wdc_chanlist[0] = &sc->ata_channel;
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sc->sc_wdcdev.sc_atac.atac_channels = sc->wdc_chanlist;
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sc->sc_wdcdev.sc_atac.atac_nchannels = 1;
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sc->ata_channel.ch_channel = 0;
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sc->ata_channel.ch_atac = &sc->sc_wdcdev.sc_atac;
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sc->ata_channel.ch_queue = &sc->wdc_chqueue;
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sc->ata_channel.ch_ndrive = 2;
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wdc_init_shadow_regs(&sc->ata_channel);
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printf("\n");
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sc->sc_ih = ep93xx_intr_establish(32, IPL_BIO, wdcintr, &sc->ata_channel);
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wdcattach(&sc->ata_channel);
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}
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