Home | History | Annotate | Line # | Download | only in imx
imx51_usb.c revision 1.1 
      1 /*	$NetBSD: imx51_usb.c,v 1.1 2010/11/30 13:05:27 bsh Exp $	*/
      2 /*
      3  * Copyright (c) 2010  Genetec Corporation.  All rights reserved.
      4  * Written by Hiroyuki Bessho for Genetec Corporation.
      5  *
      6  * Redistribution and use in source and binary forms, with or without
      7  * modification, are permitted provided that the following conditions
      8  * are met:
      9  * 1. Redistributions of source code must retain the above copyright
     10  *    notice, this list of conditions and the following disclaimer.
     11  * 2. Redistributions in binary form must reproduce the above copyright
     12  *    notice, this list of conditions and the following disclaimer in the
     13  *    documentation and/or other materials provided with the distribution.
     14  *
     15  * THIS SOFTWARE IS PROVIDED BY GENETEC CORPORATION ``AS IS'' AND
     16  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     17  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     18  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL GENETEC CORPORATION
     19  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     20  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     21  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     22  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     23  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     24  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     25  * POSSIBILITY OF SUCH DAMAGE.
     26  */
     27 #include <sys/cdefs.h>
     28 __KERNEL_RCSID(0, "$NetBSD: imx51_usb.c,v 1.1 2010/11/30 13:05:27 bsh Exp $");
     29 
     30 #include <sys/param.h>
     31 #include <sys/systm.h>
     32 #include <sys/conf.h>
     33 #include <sys/kernel.h>
     34 #include <sys/device.h>
     35 #include <sys/intr.h>
     36 #include <sys/bus.h>
     37 
     38 #include <dev/usb/usb.h>
     39 #include <dev/usb/usbdi.h>
     40 #include <dev/usb/usbdivar.h>
     41 #include <dev/usb/usb_mem.h>
     42 
     43 #include <dev/usb/ehcireg.h>
     44 #include <dev/usb/ehcivar.h>
     45 
     46 #include <arm/imx/imx51reg.h>
     47 #include <arm/imx/imx51var.h>
     48 #include <arm/imx/imxusbvar.h>
     49 #include "locators.h"
     50 
     51 static int 	imxusbc_search(device_t, cfdata_t, const int *, void *);
     52 
     53 
     54 int
     55 imxusbc_attach_common(device_t parent, device_t self, bus_space_tag_t iot)
     56 {
     57 	struct imxusbc_softc *sc = device_private(self);
     58 
     59 	sc->sc_iot = iot;
     60 
     61 	/* Map entire USBOH3 registers.  Host controller drivers
     62 	 * re-use subregions of this. */
     63 	if (bus_space_map(iot, USBOH3_BASE, USBOH3_SIZE, 0, &sc->sc_ioh))
     64 		return -1;
     65 
     66 	/* attach OTG/EHCI host controllers */
     67 	config_search_ia(imxusbc_search, self, "imxusbc", NULL);
     68 
     69 	return 0;
     70 }
     71 
     72 static int
     73 imxusbc_search(device_t parent, cfdata_t cf, const int *ldesc, void *aux)
     74 {
     75 	struct imxusbc_softc *sc = device_private(parent);
     76 	struct imxusbc_attach_args aa;
     77 
     78         aa.aa_iot = sc->sc_iot;
     79 	aa.aa_ioh = sc->sc_ioh;
     80 	aa.aa_dmat = &imx_bus_dma_tag;
     81         aa.aa_unit = cf->cf_loc[IMXUSBCCF_UNIT];
     82 	aa.aa_irq = cf->cf_loc[IMXUSBCCF_IRQ];
     83 
     84         if (config_match(parent, cf, &aa) > 0)
     85                 config_attach(parent, cf, &aa, NULL);
     86 
     87         return 0;
     88 }
     89 
     90