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/*-

 * Copyright (c) 2005-2009, Kohsuke Ohtani

 * All rights reserved.

 *

 * 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. Neither the name of the author nor the names of any co-contributors

 *    may be used to endorse or promote products derived from this software

 *    without specific prior written permission.

 *

 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR 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 AUTHOR 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.

 */

/*

 * pl030.c - ARM PrimeCell PL030 RTC

 */

#include <sys/time.h>

#include <sys/ioctl.h>

#include <driver.h>

#include <rtc.h>

#define RTC_BASE        CONFIG_PL030_BASE

#define RTC_DR                (RTC_BASE + 0x00)

#define RTC_MR                (RTC_BASE + 0x04)

#define RTC_STAT        (RTC_BASE + 0x08)

#define RTC_EOI                (RTC_BASE + 0x08)

#define RTC_LR                (RTC_BASE + 0x0c)

#define RTC_CR                (RTC_BASE + 0x10)

static int        pl030_init(struct driver *);

static int        pl030_gettime(void *, struct timeval *);

static int        pl030_settime(void *, struct timeval *);

struct driver pl030_driver = {

        /* name */        "pl030",

        /* devops */        NULL,

        /* devsz */        0,

        /* flags */        0,

        /* probe */        NULL,

        /* init */        pl030_init,

        /* shutdown */        NULL,

};

struct rtc_ops pl030_ops = {

        /* gettime */        pl030_gettime,

        /* settime */        pl030_settime,

};

static int

pl030_gettime(void *aux, struct timeval *tv)

{

        tv->tv_usec = 0;

        tv->tv_sec = bus_read_32(RTC_DR);

        printf("******* sec=%d\n", tv->tv_sec);

        return 0;

}

static int

pl030_settime(void *aux, struct timeval *ts)

{

        return 0;

}

static int

pl030_init(struct driver *self)

{

        rtc_attach(&pl030_ops, NULL);

        return 0;

}