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/***************************************************************************
* __________ __ ___.
* Open \______ \ ____ ____ | | _\_ |__ _______ ___
* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
* \/ \/ \/ \/ \/
* $Id$
*
* Copyright (C) 2008 by Jens Arnold
*
* All files in this archive are subject to the GNU General Public License.
* See the file COPYING in the source tree root for full license agreement.
*
* 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 <stdbool.h>
#include "kernel.h"
#include "system.h"
#include "power.h"
void ata_reset(void)
{
and_l(~0x00000040, &GPIO1_OUT);
sleep(1); /* > 25us */
or_l(0x00000040, &GPIO1_OUT);
sleep(1); /* > 2ms */
}
void ata_enable(bool on)
{
if(on)
and_l(~0x01000000, &GPIO1_OUT);
else
or_l(0x01000000, &GPIO1_OUT);
}
bool ata_is_coldstart(void)
{
return true; /* TODO */
}
void ata_device_init(void)
{
/* ATA enable & reset */
or_l(0x01000040, &GPIO1_OUT);
or_l(0x01000040, &GPIO1_ENABLE);
or_l(0x01000040, &GPIO1_FUNCTION);
/* USB enable */
and_l(~0x10000000, &GPIO_OUT);
or_l(0x10000000, &GPIO_ENABLE);
or_l(0x10000000, &GPIO_FUNCTION);
}
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