NetBSD/sys/arch/arm/samsung/exynos_usbphy.c
marty ae03e518e3 XU4 USB snapshot: Reorganize source files
This is just a skeleton,  not a set of drivers, but the pieces are now
more or less in the right places.
2015-12-27 02:54:12 +00:00

110 lines
3.3 KiB
C

/* $NetBSD: exynos_usbphy.c,v 1.1 2015/12/27 02:54:12 marty Exp $ */
/*-
* Copyright (c) 2014 The NetBSD Foundation, Inc.
* All rights reserved.
*
* This code is derived from software contributed to The NetBSD Foundation
* by Reinoud Zandijk.
*
* 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.
*
* 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 "locators.h"
#include "ohci.h"
#include "ehci.h"
#include <sys/cdefs.h>
__KERNEL_RCSID(1, "$NetBSD: exynos_usbphy.c,v 1.1 2015/12/27 02:54:12 marty Exp $");
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/kernel.h>
#include <sys/intr.h>
#include <sys/bus.h>
#include <sys/device.h>
#include <sys/proc.h>
#include <sys/queue.h>
#include <sys/kmem.h>
#include <sys/gpio.h>
#include <dev/usb/usb.h>
#include <dev/usb/usbdi.h>
#include <dev/usb/usbdivar.h>
#include <dev/usb/usb_mem.h>
#include <arm/samsung/exynos_reg.h>
#include <arm/samsung/exynos_var.h>
#include <dev/fdt/fdtvar.h>
struct exynos_usbphy_softc {
device_t sc_dev;
bus_space_tag_t sc_bst;
bus_space_handle_t sc_bsh;
};
static int exynos_usbphy_match(device_t, cfdata_t, void *);
static void exynos_usbphy_attach(device_t, device_t, void *);
CFATTACH_DECL_NEW(exynos_usbphy, sizeof(struct exynos_usbphy_softc),
exynos_usbphy_match, exynos_usbphy_attach, NULL, NULL);
static int
exynos_usbphy_match(device_t parent, cfdata_t cf, void *aux)
{
const char * const compatible[] = { "samsung,exynos5-usb2phy",
NULL };
struct fdt_attach_args * const faa = aux;
return of_match_compatible(faa->faa_phandle, compatible);
}
static void
exynos_usbphy_attach(device_t parent, device_t self, void *aux)
{
struct exynos_usbphy_softc *sc = device_private(self);
struct fdt_attach_args * const faa = aux;
bus_addr_t addr;
bus_size_t size;
int error;
if (fdtbus_get_reg(faa->faa_phandle, 0, &addr, &size) != 0) {
aprint_error(": couldn't get registers\n");
return;
}
sc->sc_dev = self;
sc->sc_bst = faa->faa_bst;
error = bus_space_map(sc->sc_bst, addr, size, 0, &sc->sc_bsh);
if (error) {
aprint_error(": couldn't map %#llx: %d",
(uint64_t)addr, error);
return;
}
aprint_normal(": USB 2 PHY NOT IMPLEMENTED\n");
}