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exynos_ohci.c revision 1.2.16.2
      1  1.2.16.2  jdolecek /*	$NetBSD: exynos_ohci.c,v 1.2.16.2 2017/12/03 11:35:56 jdolecek Exp $	*/
      2  1.2.16.2  jdolecek 
      3  1.2.16.2  jdolecek /*-
      4  1.2.16.2  jdolecek  * Copyright (c) 2014 The NetBSD Foundation, Inc.
      5  1.2.16.2  jdolecek  * All rights reserved.
      6  1.2.16.2  jdolecek  *
      7  1.2.16.2  jdolecek  * This code is derived from software contributed to The NetBSD Foundation
      8  1.2.16.2  jdolecek  * by Reinoud Zandijk.
      9  1.2.16.2  jdolecek  *
     10  1.2.16.2  jdolecek  * Redistribution and use in source and binary forms, with or without
     11  1.2.16.2  jdolecek  * modification, are permitted provided that the following conditions
     12  1.2.16.2  jdolecek  * are met:
     13  1.2.16.2  jdolecek  * 1. Redistributions of source code must retain the above copyright
     14  1.2.16.2  jdolecek  *    notice, this list of conditions and the following disclaimer.
     15  1.2.16.2  jdolecek  * 2. Redistributions in binary form must reproduce the above copyright
     16  1.2.16.2  jdolecek  *    notice, this list of conditions and the following disclaimer in the
     17  1.2.16.2  jdolecek  *    documentation and/or other materials provided with the distribution.
     18  1.2.16.2  jdolecek  *
     19  1.2.16.2  jdolecek  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
     20  1.2.16.2  jdolecek  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     21  1.2.16.2  jdolecek  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     22  1.2.16.2  jdolecek  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
     23  1.2.16.2  jdolecek  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     24  1.2.16.2  jdolecek  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     25  1.2.16.2  jdolecek  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     26  1.2.16.2  jdolecek  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     27  1.2.16.2  jdolecek  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     28  1.2.16.2  jdolecek  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     29  1.2.16.2  jdolecek  * POSSIBILITY OF SUCH DAMAGE.
     30  1.2.16.2  jdolecek  */
     31  1.2.16.2  jdolecek 
     32  1.2.16.2  jdolecek #include "locators.h"
     33  1.2.16.2  jdolecek #include "ohci.h"
     34  1.2.16.2  jdolecek #include "ehci.h"
     35  1.2.16.2  jdolecek 
     36  1.2.16.2  jdolecek #include <sys/cdefs.h>
     37  1.2.16.2  jdolecek 
     38  1.2.16.2  jdolecek __KERNEL_RCSID(1, "$NetBSD: exynos_ohci.c,v 1.2.16.2 2017/12/03 11:35:56 jdolecek Exp $");
     39  1.2.16.2  jdolecek 
     40  1.2.16.2  jdolecek #include <sys/param.h>
     41  1.2.16.2  jdolecek #include <sys/systm.h>
     42  1.2.16.2  jdolecek #include <sys/kernel.h>
     43  1.2.16.2  jdolecek #include <sys/intr.h>
     44  1.2.16.2  jdolecek #include <sys/bus.h>
     45  1.2.16.2  jdolecek #include <sys/device.h>
     46  1.2.16.2  jdolecek #include <sys/proc.h>
     47  1.2.16.2  jdolecek #include <sys/queue.h>
     48  1.2.16.2  jdolecek #include <sys/kmem.h>
     49  1.2.16.2  jdolecek #include <sys/gpio.h>
     50  1.2.16.2  jdolecek 
     51  1.2.16.2  jdolecek #include <dev/usb/usb.h>
     52  1.2.16.2  jdolecek #include <dev/usb/usbdi.h>
     53  1.2.16.2  jdolecek #include <dev/usb/usbdivar.h>
     54  1.2.16.2  jdolecek #include <dev/usb/usb_mem.h>
     55  1.2.16.2  jdolecek 
     56  1.2.16.2  jdolecek #include <dev/usb/ohcireg.h>
     57  1.2.16.2  jdolecek #include <dev/usb/ohcivar.h>
     58  1.2.16.2  jdolecek 
     59  1.2.16.2  jdolecek #include <arm/samsung/exynos_reg.h>
     60  1.2.16.2  jdolecek #include <arm/samsung/exynos_var.h>
     61  1.2.16.2  jdolecek 
     62  1.2.16.2  jdolecek #include <dev/fdt/fdtvar.h>
     63  1.2.16.2  jdolecek 
     64  1.2.16.2  jdolecek static int	exynos_ohci_match(device_t, cfdata_t, void *);
     65  1.2.16.2  jdolecek static void	exynos_ohci_attach(device_t, device_t, void *);
     66  1.2.16.2  jdolecek 
     67  1.2.16.2  jdolecek CFATTACH_DECL_NEW(exynos_ohci, sizeof(struct ohci_softc),
     68  1.2.16.2  jdolecek     exynos_ohci_match, exynos_ohci_attach, NULL, NULL);
     69  1.2.16.2  jdolecek 
     70  1.2.16.2  jdolecek 
     71  1.2.16.2  jdolecek static int
     72  1.2.16.2  jdolecek exynos_ohci_match(device_t parent, cfdata_t cf, void *aux)
     73  1.2.16.2  jdolecek {
     74  1.2.16.2  jdolecek 	const char * const compatible[] = { "samsung,exynos5-ohci",
     75  1.2.16.2  jdolecek 					    NULL };
     76  1.2.16.2  jdolecek 	struct fdt_attach_args * const faa = aux;
     77  1.2.16.2  jdolecek 	return of_match_compatible(faa->faa_phandle, compatible);
     78  1.2.16.2  jdolecek }
     79  1.2.16.2  jdolecek 
     80  1.2.16.2  jdolecek 
     81  1.2.16.2  jdolecek static void
     82  1.2.16.2  jdolecek exynos_ohci_attach(device_t parent, device_t self, void *aux)
     83  1.2.16.2  jdolecek {
     84  1.2.16.2  jdolecek 	struct ohci_softc *sc = device_private(self);
     85  1.2.16.2  jdolecek 	struct fdt_attach_args * const faa = aux;
     86  1.2.16.2  jdolecek 	bus_addr_t addr;
     87  1.2.16.2  jdolecek 	bus_size_t size;
     88  1.2.16.2  jdolecek 	int error;
     89  1.2.16.2  jdolecek 
     90  1.2.16.2  jdolecek 	if (fdtbus_get_reg(faa->faa_phandle, 0, &addr, &size) != 0) {
     91  1.2.16.2  jdolecek 		aprint_error(": couldn't get registers\n");
     92  1.2.16.2  jdolecek 		return;
     93  1.2.16.2  jdolecek 	}
     94  1.2.16.2  jdolecek 
     95  1.2.16.2  jdolecek 	sc->sc_dev = self;
     96  1.2.16.2  jdolecek 	sc->iot = faa->faa_bst;
     97  1.2.16.2  jdolecek 	sc->sc_size = size;
     98  1.2.16.2  jdolecek 	sc->sc_bus.ub_dmatag = faa->faa_dmat;
     99  1.2.16.2  jdolecek 	sc->sc_bus.ub_hcpriv = sc;
    100  1.2.16.2  jdolecek 
    101  1.2.16.2  jdolecek 	error = bus_space_map(sc->iot, addr, size, 0, &sc->ioh);
    102  1.2.16.2  jdolecek 	if (error) {
    103  1.2.16.2  jdolecek 		aprint_error(": couldn't map %#llx: %d",
    104  1.2.16.2  jdolecek 			     (uint64_t)addr, error);
    105  1.2.16.2  jdolecek 		return;
    106  1.2.16.2  jdolecek 	}
    107  1.2.16.2  jdolecek 
    108  1.2.16.2  jdolecek 	aprint_naive(": OHCI USB controller\n");
    109  1.2.16.2  jdolecek 	aprint_normal(": OHCI NOT IMPLEMENTED\n");
    110  1.2.16.2  jdolecek 
    111  1.2.16.2  jdolecek 	/* attach */
    112  1.2.16.2  jdolecek 	error = ohci_init(sc);
    113  1.2.16.2  jdolecek 	if (error) {
    114  1.2.16.2  jdolecek 		aprint_error_dev(self, "init failed, error = %d\n", error);
    115  1.2.16.2  jdolecek 		/* disable : TBD */
    116  1.2.16.2  jdolecek 		return;
    117  1.2.16.2  jdolecek 	}
    118  1.2.16.2  jdolecek 	sc->sc_child = config_found(self, &sc->sc_bus, usbctlprint);
    119  1.2.16.2  jdolecek }
    120  1.2.16.2  jdolecek 
    121