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support S3C2410's built-in USB host controller, which is OHCI

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compliant.
This commit is contained in:
bsh 2003-08-05 11:28:59 +00:00
parent 0b5ec916cd
commit 3245163bdf
2 changed files with 150 additions and 1 deletions
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6
sys/arch/arm/s3c2xx0/files.s3c2410
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@ -1,4 +1,4 @@
# $NetBSD: files.s3c2410,v 1.1 2003/07/31 19:49:41 bsh Exp $
# $NetBSD: files.s3c2410,v 1.2 2003/08/05 11:29:00 bsh Exp $
#
# Configuration info for Samsung S3C2410
#
@ -14,3 +14,7 @@ file arch/arm/s3c2xx0/s3c2410.c
# UART
file arch/arm/s3c2xx0/sscom_s3c2410.c sscom
# OHCI USB controller
attach ohci at ssio with ohci_ssio
file arch/arm/s3c2xx0/ohci_s3c24x0.c ohci_ssio

145
sys/arch/arm/s3c2xx0/ohci_s3c24x0.c Normal file
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/* $NetBSD: ohci_s3c24x0.c,v 1.1 2003/08/05 11:28:59 bsh Exp $ */
/* derived from ohci_pci.c */
/*
* Copyright (c) 1998 The NetBSD Foundation, Inc.
* All rights reserved.
*
* This code is derived from software contributed to The NetBSD Foundation
* by Lennart Augustsson (lennart@augustsson.net) at
* Carlstedt Research & Technology.
*
* 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: ohci_s3c24x0.c,v 1.1 2003/08/05 11:28:59 bsh Exp $");
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/kernel.h>
#include <sys/device.h>
#include <sys/proc.h>
#include <sys/queue.h>
#include <machine/bus.h>
#include <arm/s3c2xx0/s3c24x0var.h>
#include <dev/usb/usb.h>
#include <dev/usb/usbdi.h>
#include <dev/usb/usbdivar.h>
#include <dev/usb/usb_mem.h>
#include <dev/usb/ohcireg.h>
#include <dev/usb/ohcivar.h>
int ohci_ssio_match(struct device *, struct cfdata *, void *);
void ohci_ssio_attach(struct device *, struct device *, void *);
int ohci_ssio_detach(device_ptr_t, int);
extern int ohcidebug;
struct ohci_ssio_softc {
ohci_softc_t sc;
void *sc_ih; /* interrupt vectoring */
};
CFATTACH_DECL(ohci_ssio, sizeof(struct ohci_ssio_softc),
ohci_ssio_match, ohci_ssio_attach, ohci_ssio_detach, ohci_activate);
int
ohci_ssio_match(struct device *parent, struct cfdata *match, void *aux)
{
struct s3c2xx0_attach_args *sa = (struct s3c2xx0_attach_args *)aux;
/* XXX: check some registers */
if (sa->sa_dmat == NULL) {
/* busdma tag is not initialized. */
return 0;
}
return 1;
}
void
ohci_ssio_attach(struct device *parent, struct device *self, void *aux)
{
struct ohci_ssio_softc *sc = (struct ohci_ssio_softc *)self;
struct s3c2xx0_attach_args *sa = (struct s3c2xx0_attach_args *)aux;
usbd_status r;
char *devname = sc->sc.sc_bus.bdev.dv_xname;
sc->sc.iot = sa->sa_iot;
/*ohcidebug=15;*/
/* Map I/O registers */
if (bus_space_map(sc->sc.iot, sa->sa_addr, 0x5c, 0, &sc->sc.ioh)) {
printf("%s: can't map mem space\n", devname);
return;
}
/* Disable interrupts, so we don't get any spurious ones. */
bus_space_write_4(sc->sc.iot, sc->sc.ioh, OHCI_INTERRUPT_DISABLE,
OHCI_ALL_INTRS);
printf("dmat = %p\n", sa->sa_dmat);
sc->sc.sc_bus.dmatag = sa->sa_dmat;
/* Enable the device. */
/* XXX: provide clock to USB block */
/* establish the interrupt. */
sc->sc_ih = s3c24x0_intr_establish(sa->sa_intr, IPL_USB, IST_NONE, ohci_intr, sc);
if (sc->sc_ih == NULL) {
printf("%s: couldn't establish interrupt\n", devname);
return;
}
/*strlcpy(sc->sc.sc_vendor, "Samsung", sizeof sc->sc.sc_id_vendor);*/
r = ohci_init(&sc->sc);
if (r != USBD_NORMAL_COMPLETION) {
printf("%s: init failed, error=%d\n", devname, r);
return;
}
/* Attach usb device. */
sc->sc.sc_child = config_found((void *)sc, &sc->sc.sc_bus,
usbctlprint);
}
int
ohci_ssio_detach(device_ptr_t self, int flags)
{
return (0);
}