Add a driver for the HCCS IDE interface I got at Wakefield. Like the D.T.
Software one (dtide), it doesn't generate interrupts, so we run it in polled mode.
This commit is contained in:
bjh21
parent
18c4c9eab3
commit
bb5ca33de4
@ -1,4 +1,4 @@
|
||||
# $NetBSD: files.podulebus,v 1.9 2001/06/08 22:33:59 bjh21 Exp $
|
||||
# $NetBSD: files.podulebus,v 1.10 2001/06/13 18:31:43 bjh21 Exp $
|
||||
|
||||
# Oak SCSI
|
||||
device oak: scsi, ncr5380sbc
|
||||
@ -15,6 +15,11 @@ device dtide: wdc_base, ata, atapi
|
||||
attach dtide at podulebus
|
||||
file dev/podulebus/dtide.c dtide
|
||||
|
||||
# HCCS IDE
|
||||
device hcide: wdc_base, ata, atapi
|
||||
attach hcide at podulebus
|
||||
file dev/podulebus/hcide.c hcide
|
||||
|
||||
# Acorn Ether1
|
||||
device ei: ether, ifnet, arp, i82586
|
||||
attach ei at podulebus
|
||||
|
||||
106
sys/dev/podulebus/hcide.c
Normal file
106
sys/dev/podulebus/hcide.c
Normal file
@ -0,0 +1,106 @@
|
||||
/* $NetBSD: hcide.c,v 1.1 2001/06/13 18:31:43 bjh21 Exp $ */
|
||||
|
||||
/*-
|
||||
* Copyright (c) 2000, 2001 Ben Harris
|
||||
* All rights reserved.
|
||||
*
|
||||
* 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. The name of the author may not be used to endorse or promote products
|
||||
* derived from this software without specific prior written permission.
|
||||
*
|
||||
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 AUTHOR 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.
|
||||
*/
|
||||
/*
|
||||
* hcide.c - Driver for the HCCS 16-bit IDE interface.
|
||||
*/
|
||||
|
||||
#include <sys/param.h>
|
||||
|
||||
__KERNEL_RCSID(0, "$NetBSD: hcide.c,v 1.1 2001/06/13 18:31:43 bjh21 Exp $");
|
||||
|
||||
#include <sys/device.h>
|
||||
#include <sys/systm.h>
|
||||
|
||||
#include <machine/bus.h>
|
||||
|
||||
#include <dev/podulebus/podulebus.h>
|
||||
#include <dev/podulebus/podules.h>
|
||||
#include <dev/podulebus/hcidereg.h>
|
||||
|
||||
#include <dev/ata/atavar.h>
|
||||
#include <dev/ic/wdcvar.h>
|
||||
|
||||
struct hcide_softc {
|
||||
struct wdc_softc sc_wdc;
|
||||
struct channel_softc *sc_chp[HCIDE_NCHANNELS];/* pointers to sc_chan */
|
||||
struct channel_softc sc_chan[HCIDE_NCHANNELS];
|
||||
struct channel_queue sc_chq[HCIDE_NCHANNELS];
|
||||
};
|
||||
|
||||
static void hcide_attach (struct device *, struct device *, void *);
|
||||
static int hcide_match (struct device *, struct cfdata *, void *);
|
||||
|
||||
struct cfattach hcide_ca = {
|
||||
sizeof(struct hcide_softc), hcide_match, hcide_attach
|
||||
};
|
||||
|
||||
static const int hcide_cmdoffsets[] = { HCIDE_CMD0, HCIDE_CMD1, HCIDE_CMD2 };
|
||||
static const int hcide_ctloffsets[] = { HCIDE_CTL, HCIDE_CTL, HCIDE_CTL };
|
||||
|
||||
static int
|
||||
hcide_match(struct device *parent, struct cfdata *cf, void *aux)
|
||||
{
|
||||
struct podulebus_attach_args *pa = aux;
|
||||
|
||||
if (pa->pa_product == PODULE_HCCS_IDESCSI &&
|
||||
strncmp(pa->pa_descr, "IDE", 3) == 0)
|
||||
return 1;
|
||||
return 0;
|
||||
}
|
||||
|
||||
static void
|
||||
hcide_attach(struct device *parent, struct device *self, void *aux)
|
||||
{
|
||||
struct hcide_softc *sc = (void *)self;
|
||||
struct podulebus_attach_args *pa = aux;
|
||||
int i;
|
||||
|
||||
sc->sc_wdc.cap = WDC_CAPABILITY_DATA16 | WDC_CAPABILITY_NOIRQ;
|
||||
sc->sc_wdc.PIO_cap = 0; /* XXX correct? */
|
||||
sc->sc_wdc.DMA_cap = 0; /* XXX correct? */
|
||||
sc->sc_wdc.UDMA_cap = 0;
|
||||
sc->sc_wdc.nchannels = HCIDE_NCHANNELS;
|
||||
sc->sc_wdc.channels = sc->sc_chp;
|
||||
printf("\n");
|
||||
for (i = 0; i < HCIDE_NCHANNELS; i++) {
|
||||
sc->sc_chp[i] = &sc->sc_chan[i];
|
||||
sc->sc_chan[i].channel = i;
|
||||
sc->sc_chan[i].wdc = &sc->sc_wdc;
|
||||
sc->sc_chan[i].cmd_iot = pa->pa_mod_t;
|
||||
sc->sc_chan[i].ctl_iot = pa->pa_mod_t;
|
||||
sc->sc_chan[i].ch_queue = &sc->sc_chq[i];
|
||||
bus_space_map(pa->pa_fast_t,
|
||||
pa->pa_fast_base + hcide_cmdoffsets[i], 0, 8,
|
||||
&sc->sc_chan[i].cmd_ioh);
|
||||
bus_space_map(pa->pa_fast_t,
|
||||
pa->pa_fast_base + hcide_ctloffsets[i], 0, 8,
|
||||
&sc->sc_chan[i].ctl_ioh);
|
||||
wdcattach(&sc->sc_chan[i]);
|
||||
}
|
||||
}
|
||||
16
sys/dev/podulebus/hcidereg.h
Normal file
16
sys/dev/podulebus/hcidereg.h
Normal file
@ -0,0 +1,16 @@
|
||||
/* $NetBSD: hcidereg.h,v 1.1 2001/06/13 18:31:43 bjh21 Exp $ */
|
||||
|
||||
/* This file is in the public domain */
|
||||
|
||||
/*
|
||||
* hcidereg.h - hardware-related constants of the HCCS IDE interface.
|
||||
*/
|
||||
|
||||
#define HCIDE_NCHANNELS 3
|
||||
|
||||
/* In FAST space: */
|
||||
|
||||
#define HCIDE_CMD0 0x2100 /* Command registers, on-board channel */
|
||||
#define HCIDE_CMD1 0x2140 /* Command registers, internal channel */
|
||||
#define HCIDE_CMD2 0x2180 /* Command registers, external channel */
|
||||
#define HCIDE_CTL 0x21c0 /* Control registers, all channels */
|
||||
Loading…
Reference in New Issue
Block a user