3c58f5d026
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@16466 a1c6a512-1295-4272-9138-f99709370657
66 lines
1.8 KiB
C
66 lines
1.8 KiB
C
/***************************************************************************
|
|
* __________ __ ___.
|
|
* Open \______ \ ____ ____ | | _\_ |__ _______ ___
|
|
* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
|
|
* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
|
|
* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
|
|
* \/ \/ \/ \/ \/
|
|
* $Id$
|
|
*
|
|
* Copyright (C) 2006 by Linus Nielsen Feltzing
|
|
*
|
|
* 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"
|
|
#include "pcf50606.h"
|
|
|
|
void ata_reset(void)
|
|
{
|
|
and_l(~0x00080000, &GPIO_OUT);
|
|
sleep(1); /* > 25us */
|
|
|
|
or_l(0x00080000, &GPIO_OUT);
|
|
sleep(1); /* > 25us */
|
|
}
|
|
|
|
void ata_enable(bool on)
|
|
{
|
|
if(on)
|
|
and_l(~0x00040000, &GPIO_OUT);
|
|
else
|
|
or_l(0x00040000, &GPIO_OUT);
|
|
|
|
or_l(0x00040000, &GPIO_ENABLE);
|
|
or_l(0x00040000, &GPIO_FUNCTION);
|
|
}
|
|
|
|
bool ata_is_coldstart(void)
|
|
{
|
|
return (GPIO_FUNCTION & 0x00080000) == 0;
|
|
}
|
|
|
|
void ata_device_init(void)
|
|
{
|
|
#ifdef HAVE_ATA_LED_CTRL
|
|
/* Enable disk LED & ISD chip power control */
|
|
and_l(~0x00000240, &GPIO_OUT);
|
|
or_l( 0x00000240, &GPIO_ENABLE);
|
|
or_l( 0x00000200, &GPIO_FUNCTION);
|
|
#endif
|
|
|
|
/* ATA reset */
|
|
or_l(0x00080000, &GPIO_OUT);
|
|
or_l(0x00080000, &GPIO_ENABLE);
|
|
or_l(0x00080000, &GPIO_FUNCTION);
|
|
|
|
}
|