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/***************************************************************************
* __________ __ ___.
* Open \______ \ ____ ____ | | _\_ |__ _______ ___
* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
* \/ \/ \/ \/ \/
* $Id$
*
* Copyright (C) 2007 by Karl Kurbjun
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
* KIND, either express or implied.
*
****************************************************************************/
#include "config.h"
#include "cpu.h"
#include "kernel.h"
#include "thread.h"
#include "system.h"
#include "power.h"
#include "panic.h"
#include "pcf50606.h"
#include "ata.h"
#include "ata-target.h"
#include "backlight-target.h"
/* ARESET on C7C68300 and RESET on ATA interface (Active Low) */
#define ATA_RESET_ENABLE (IO_GIO_BITCLR0 = 1 << 10)
#define ATA_RESET_DISABLE (IO_GIO_BITSET0 = 1 << 10)
void ata_reset(void)
{
ATA_RESET_ENABLE;
sleep(1); /* > 25us */
ATA_RESET_DISABLE;
sleep(1); /* > 2ms */
}
/* This function is called before enabling the USB bus */
void ata_enable(bool on)
{
(void) on;
return;
}
bool ata_is_coldstart(void)
{
/* If the reset pin direction is unconfigured it is a coldstart */
return (IO_GIO_DIR0&(1<<10));
}
void ata_device_init(void)
{
/* ATA reset */
ATA_RESET_DISABLE; /* Set the pin to disable an active low reset */
/* ATA INT pin 11 (currently unused) */
}
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