153 lines
4.9 KiB
C
153 lines
4.9 KiB
C
/* $NetBSD: wdc_pnpbus.c,v 1.9 2008/04/28 20:23:33 martin 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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*
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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_pnpbus.c,v 1.9 2008/04/28 20:23:33 martin Exp $");
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#include <sys/types.h>
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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 <machine/isa_machdep.h>
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#include <machine/residual.h>
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#include <dev/ata/atavar.h>
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#include <dev/ic/wdcvar.h>
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#include <prep/pnpbus/pnpbusvar.h>
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/* options passed via the 'flags' config keyword */
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#define WDC_OPTIONS_32 0x01 /* try to use 32bit data I/O */
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struct wdc_pnpbus_softc {
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struct wdc_softc sc_wdcdev;
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struct ata_channel *sc_chanlist[1];
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struct ata_channel sc_channel;
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struct ata_queue sc_chqueue;
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struct wdc_regs sc_wdc_regs;
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void *sc_ih;
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};
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static int wdc_pnpbus_probe(device_t, cfdata_t, void *);
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static void wdc_pnpbus_attach(device_t, device_t, void *);
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CFATTACH_DECL_NEW(wdc_pnpbus, sizeof(struct wdc_pnpbus_softc),
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wdc_pnpbus_probe, wdc_pnpbus_attach, NULL, NULL);
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static int
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wdc_pnpbus_probe(device_t parent, cfdata_t match, void *aux)
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{
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struct pnpbus_dev_attach_args *pna = aux;
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int ret = 0;
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/* XXX special case the Powerstack E1, it has wdc builtin on 14E
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* while the siop is builtin on 14L. No idea how this works at all.
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*/
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if (strcmp(res->VitalProductData.PrintableModel, "(e1)") == 0)
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return ret;
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/* XXX special case the MTX604/mcp750. The onboard IDE is actually
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* a PCIIDE chip.
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*/
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if (strcmp(res->VitalProductData.PrintableModel,
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"000000000000000000000000000(e2)") == 0)
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return ret;
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if (strcmp(pna->pna_devid, "PNP0600") == 0)
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ret = 1;
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if (ret)
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pnpbus_scan(pna, pna->pna_ppc_dev);
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return ret;
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}
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static void
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wdc_pnpbus_attach(device_t parent, device_t self, void *aux)
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{
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struct wdc_pnpbus_softc *sc = device_private(self);
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struct wdc_regs *wdr;
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struct pnpbus_dev_attach_args *pna = aux;
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int cmd_iobase, cmd_len, aux_iobase, aux_len, i;
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sc->sc_wdcdev.sc_atac.atac_dev = self;
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sc->sc_wdcdev.regs = wdr = &sc->sc_wdc_regs;
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wdr->cmd_iot = pna->pna_iot;
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wdr->ctl_iot = pna->pna_iot;
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pnpbus_getioport(&pna->pna_res, 0, &cmd_iobase, &cmd_len);
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pnpbus_getioport(&pna->pna_res, 1, &aux_iobase, &aux_len);
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if (pnpbus_io_map(&pna->pna_res, 0, &wdr->cmd_iot, &wdr->cmd_baseioh) ||
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pnpbus_io_map(&pna->pna_res, 1, &wdr->ctl_iot, &wdr->ctl_ioh)) {
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aprint_error_dev(self, "couldn't map registers\n");
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}
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for (i = 0; i < cmd_len; i++) {
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if (bus_space_subregion(wdr->cmd_iot,
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wdr->cmd_baseioh, i, i == 0 ? 4 : 1,
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&wdr->cmd_iohs[i]) != 0) {
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aprint_error(": couldn't subregion registers\n");
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return;
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}
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}
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wdr->data32iot = wdr->cmd_iot;
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wdr->data32ioh = wdr->cmd_iohs[0];
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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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if (device_cfdata(sc->sc_wdcdev.sc_atac.atac_dev)->cf_flags &
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WDC_OPTIONS_32)
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sc->sc_wdcdev.sc_atac.atac_cap |= ATAC_CAP_DATA32;
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sc->sc_wdcdev.sc_atac.atac_pio_cap = 0;
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sc->sc_chanlist[0] = &sc->sc_channel;
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sc->sc_wdcdev.sc_atac.atac_channels = sc->sc_chanlist;
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sc->sc_wdcdev.sc_atac.atac_nchannels = 1;
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sc->sc_channel.ch_channel = 0;
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sc->sc_channel.ch_atac = &sc->sc_wdcdev.sc_atac;
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sc->sc_channel.ch_queue = &sc->sc_chqueue;
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sc->sc_channel.ch_ndrive = 2;
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wdc_init_shadow_regs(&sc->sc_channel);
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sc->sc_ih = pnpbus_intr_establish(0, IPL_BIO, IST_PNP,
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wdcintr, &sc->sc_channel, &pna->pna_res);
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aprint_normal("\n");
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wdcattach(&sc->sc_channel);
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}
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