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Fixed wrong reset pin. Removed unnecessary reset from init.

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git-svn-id: svn://svn.rockbox.org/rockbox/trunk@691 a1c6a512-1295-4272-9138-f99709370657
This commit is contained in:
Björn Stenberg 2002-05-24 11:25:24 +00:00
parent 44d76bc1ae
commit a97c4419ed
1 changed files with 8 additions and 19 deletions
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27
firmware/drivers/ata.c
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@ -197,15 +197,8 @@ int ata_write_sectors(unsigned long start,
static int check_registers(void)
{
int ret = 0;
mutex_lock(&ata_mtx);
if ( ATA_STATUS & STATUS_BSY )
{
mutex_unlock(&ata_mtx);
return 0;
}
return -1;
ATA_NSECTOR = 0xa5;
ATA_SECTOR = 0x5a;
@ -216,10 +209,9 @@ static int check_registers(void)
(ATA_SECTOR == 0x5a) &&
(ATA_LCYL == 0xaa) &&
(ATA_HCYL == 0x55))
ret = 1;
return 0;
mutex_unlock(&ata_mtx);
return ret;
return -2;
}
static int freeze_lock(void)
@ -273,11 +265,11 @@ int ata_hard_reset(void)
mutex_lock(&ata_mtx);
PADR &= ~0x0002;
PADR &= ~0x0200;
sleep(2);
PADR |= 0x0002;
PADR |= 0x0200;
ret = wait_for_rdy();
@ -337,16 +329,13 @@ int ata_init(void)
if (master_slave())
return -1;
if (!ata_hard_reset())
return -2;
if (!check_registers())
if (check_registers())
return -3;
if (freeze_lock() < 0)
if (freeze_lock())
return -4;
if (ata_spindown(1) < 0)
if (ata_spindown(1))
return -5;
ATA_SELECT = SELECT_LBA;