rockbox/firmware/target/arm/tms320dm320/creative-zvm/ata-creativezvm.c
Maurus Cuelenaere 95167e0177 Commit whole Creative Zen Vision:M target tree + all related firmware/
changes.


git-svn-id: svn://svn.rockbox.org/rockbox/trunk@17241 a1c6a512-1295-4272-9138-f99709370657
2008-04-24 20:08:28 +00:00

101 lines
2.3 KiB
C

/***************************************************************************
* __________ __ ___.
* Open \______ \ ____ ____ | | _\_ |__ _______ ___
* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
* \/ \/ \/ \/ \/
* $Id$
*
* Copyright (C) 2008 by Maurus Cuelenaere
*
* 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 "kernel.h"
#include "thread.h"
#include "system.h"
#include "power.h"
#include "panic.h"
#include "ata-target.h"
void ide_power_enable(bool on){
#if 0
IO_INTC_EINT1 &= ~INTR_EINT1_EXT2;
if(on)
{
IO_GIO_BITSET0 = (1 << 14);
ata_reset();
}
else
IO_GIO_BITCLR0 = (1 << 14);
IO_INTC_EINT1 |= INTR_EINT1_EXT2;
return;
#endif
}
inline bool ide_powered(){
#if 0
return (IO_GIO_BITSET0 & (1 << 14));
#else
return true;
#endif
}
void ata_reset(void)
{
/* Disabled until figured out what's wrong */
IO_INTC_EINT1 &= ~INTR_EINT1_EXT2; //disable GIO2 interrupt
if(!ide_powered())
{
ide_power_enable(true);
sleep(150);
}
else
{
IO_GIO_BITSET0 = (1 << 5);
IO_GIO_BITCLR0 = (1 << 3);
sleep(1);
}
IO_GIO_BITCLR0 = (1 << 5);
sleep(10);
IO_GIO_BITSET0 = (1 << 3);
while(!(ATA_COMMAND & STATUS_RDY))
sleep(10);
IO_INTC_EINT1 |= INTR_EINT1_EXT2; //enable GIO2 interrupt
return;
}
void ata_enable(bool on)
{
(void)on;
return;
}
bool ata_is_coldstart(void)
{
return true;
}
void ata_device_init(void)
{
IO_INTC_EINT1 |= INTR_EINT1_EXT2; //enable GIO2 interrupt
//TODO: mimic OF inits...
return;
}
void GIO2(void)
{
#ifdef DEBUG
//printf("GIO2 interrupt...");
#endif
IO_INTC_IRQ1 = INTR_IRQ1_EXT2; //Mask GIO2 interrupt
return;
}