CompactFlash IDE controller glue

2004-12-23 04:30:50 +00:00 · 2004-12-23 04:30:50 +00:00 · e95044fa10
commit e95044fa10
parent 37b0a6b3f3
1 changed files with 126 additions and 0 deletions
--- a/sys/arch/evbarm/tsarm/wdc_ts.c
+++ b/sys/arch/evbarm/tsarm/wdc_ts.c
@ -0,0 +1,126 @@
+/*	$NetBSD: wdc_ts.c,v 1.1 2004/12/23 04:30:50 joff Exp $ */
+
+/*-
+ * Copyright (c) 1998, 2003 The NetBSD Foundation, Inc.
+ * All rights reserved.
+ *
+ * This code is derived from software contributed to The NetBSD Foundation
+ * by Charles M. Hannum and by Onno van der Linden.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *        This product includes software developed by the NetBSD
+ *        Foundation, Inc. and its contributors.
+ * 4. Neither the name of The NetBSD Foundation nor the names of its
+ *    contributors may be used to endorse or promote products derived
+ *    from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
+ * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
+ * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
+ * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include <sys/cdefs.h>
+__KERNEL_RCSID(0, "$NetBSD: wdc_ts.c,v 1.1 2004/12/23 04:30:50 joff Exp $");
+
+#include <sys/param.h>
+#include <sys/systm.h>
+#include <sys/device.h>
+#include <sys/malloc.h>
+
+#include <machine/bus.h>
+#include <machine/intr.h>
+
+#include <arm/ep93xx/ep93xxvar.h>
+
+#include <dev/ic/wdcreg.h>
+#include <dev/ata/atavar.h>
+#include <dev/ic/wdcvar.h>
+#include <evbarm/tsarm/tspldvar.h>
+
+struct wdc_ts_softc {
+	struct	wdc_softc sc_wdcdev;
+	struct	ata_channel *wdc_chanlist[1];
+	struct	ata_channel ata_channel;
+	struct	ata_queue wdc_chqueue;
+	struct	wdc_regs wdc_regs;
+	void	*sc_ih;
+};
+
+static int	wdc_ts_probe(struct device *, struct cfdata *, void *);
+static void	wdc_ts_attach(struct device *, struct device *, void *);
+
+CFATTACH_DECL(wdc_ts, sizeof(struct wdc_ts_softc),
+    wdc_ts_probe, wdc_ts_attach, NULL, NULL);
+
+static int
+wdc_ts_probe(struct device *parent, struct cfdata *match, void *aux)
+{
+	return 1;
+}
+
+static void
+wdc_ts_attach(struct device *parent, struct device *self, void *aux)
+{
+	struct wdc_ts_softc *sc = (void *)self;
+	struct wdc_regs *wdr;
+	struct tspld_attach_args *ta = aux;
+	int i;
+
+	sc->sc_wdcdev.regs = wdr = &sc->wdc_regs;
+	wdr->cmd_iot = ta->ta_iot;
+	wdr->ctl_iot = ta->ta_iot;
+	if (bus_space_map(wdr->cmd_iot, 0x11000000, 8, 0, &wdr->cmd_baseioh) ||
+	    bus_space_map(wdr->ctl_iot, 0x10400006, 1, 0, &wdr->ctl_ioh)) {
+		printf(": couldn't map registers\n");
+		return;
+	}
+
+	for (i = 0; i < 8; i++) {
+		if (bus_space_subregion(wdr->cmd_iot,
+		      wdr->cmd_baseioh, i, 1, &wdr->cmd_iohs[i]) != 0) {
+			printf(": couldn't subregion registers\n");
+			return;
+		}
+	}
+
+
+	if (bus_space_map(wdr->cmd_iot, 0x21000000, 2, 0, &wdr->cmd_iohs[0])) {
+		printf(": couldn't map registers\n");
+		return;
+	}
+
+	sc->sc_wdcdev.cap |= WDC_CAPABILITY_PREATA;
+	sc->sc_wdcdev.sc_atac.atac_cap |= ATAC_CAP_DATA16;
+
+	sc->sc_wdcdev.sc_atac.atac_pio_cap = 0;
+	sc->wdc_chanlist[0] = &sc->ata_channel;
+	sc->sc_wdcdev.sc_atac.atac_channels = sc->wdc_chanlist;
+	sc->sc_wdcdev.sc_atac.atac_nchannels = 1;
+	sc->ata_channel.ch_channel = 0;
+	sc->ata_channel.ch_atac = &sc->sc_wdcdev.sc_atac;
+	sc->ata_channel.ch_queue = &sc->wdc_chqueue;
+	wdc_init_shadow_regs(&sc->ata_channel);
+
+	printf("\n");
+
+	sc->sc_ih = ep93xx_intr_establish(32, IPL_BIO, wdcintr, &sc->ata_channel);
+
+	wdcattach(&sc->ata_channel);
+}