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135 lines
4.0 KiB
C
135 lines
4.0 KiB
C
/* $NetBSD: ohci_arbus.c,v 1.2 2015/06/26 22:20:58 matt Exp $ */
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/*-
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* Copyright (c) 1998, 1999, 2000, 2002, 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 Herb Peyerl of Middle Digital Inc.
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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 "locators.h"
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#include <sys/cdefs.h>
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__KERNEL_RCSID(0, "$NetBSD: ohci_arbus.c,v 1.2 2015/06/26 22:20:58 matt 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/bus.h>
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#include <dev/usb/usb.h>
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#include <dev/usb/usbdi.h>
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#include <dev/usb/usbdivar.h>
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#include <dev/usb/usb_mem.h>
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#include <dev/usb/ohcireg.h>
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#include <dev/usb/ohcivar.h>
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#include <mips/locore.h>
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#include <mips/atheros/include/arbusvar.h>
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static int ohci_arbus_match(device_t, cfdata_t, void *);
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static void ohci_arbus_attach(device_t, device_t, void *);
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CFATTACH_DECL_NEW(ohci_arbus, sizeof (ohci_softc_t),
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ohci_arbus_match, ohci_arbus_attach, NULL, NULL);
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int
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ohci_arbus_match(device_t parent, cfdata_t cf, void *aux)
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{
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struct arbus_attach_args *aa = aux;
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bus_space_handle_t bsh;
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if (strcmp(aa->aa_name, cf->cf_name))
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return 0;
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if (bus_space_map(aa->aa_bst, aa->aa_addr, aa->aa_size, 0, &bsh) != 0)
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return 0;
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return 0; /* XXX */
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if (badaddr((void *)bsh, 4) == -1) {
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bus_space_unmap(aa->aa_bst, bsh, aa->aa_size);
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return 0;
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}
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bus_space_unmap(aa->aa_bst, bsh, aa->aa_size);
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return 1;
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}
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void
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ohci_arbus_attach(device_t parent, device_t self, void *aux)
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{
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ohci_softc_t * const sc = device_private(self);
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struct arbus_attach_args * const aa = aux;
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void *ih = NULL;
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usbd_status status;
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sc->sc_dev = self;
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sc->iot = aa->aa_bst;
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sc->sc_size = aa->aa_size;
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sc->sc_bus.dmatag = aa->aa_dmat;
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sc->sc_bus.hci_private = sc;
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if (bus_space_map(sc->iot, aa->aa_addr, sc->sc_size, 0, &sc->ioh)) {
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aprint_error_dev(self, "unable to map registers\n");
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return;
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}
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/* Disable OHCI interrupts */
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bus_space_write_4(sc->iot, sc->ioh, OHCI_INTERRUPT_DISABLE,
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OHCI_ALL_INTRS);
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/* establish interrupt */
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ih = arbus_intr_establish(aa->aa_cirq, aa->aa_mirq, ohci_intr, sc);
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if (ih == NULL)
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panic("%s: couldn't establish interrupt", device_xname(self));
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/* we don't handle endianess in bus space */
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sc->sc_endian = OHCI_LITTLE_ENDIAN;
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status = ohci_init(sc);
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if (status != USBD_NORMAL_COMPLETION) {
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aprint_error_dev(self, "init failed, error=%d\n", status);
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if (ih != NULL)
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arbus_intr_disestablish(ih);
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return;
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}
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#if 0
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if (psc->sc_ohci_devs[0] == NULL) {
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psc->sc_ohci_devs[0] = self;
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} else if (psc->sc_ohci_devs[1] == NULL) {
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psc->sc_ohci_devs[1] = self;
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} else {
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panic("%s: too many ohci devices", __func__);
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}
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#endif
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/* Attach USB device */
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sc->sc_child = config_found(self, &sc->sc_bus, usbctlprint);
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}
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