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Now sets the highest possible PIO mode in set_features()

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git-svn-id: svn://svn.rockbox.org/rockbox/trunk@4328 a1c6a512-1295-4272-9138-f99709370657
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Linus Nielsen Feltzing 2004-03-02 09:55:23 +00:00
parent 7672bfaf57
commit 68331ffb08
1 changed files with 21 additions and 1 deletions
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22
firmware/drivers/ata.c
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@ -60,6 +60,8 @@
#define STATUS_DRQ 0x08
#define STATUS_ERR 0x01
#define ERROR_ABRT 0x04
#define CONTROL_nIEN 0x02
#define CONTROL_SRST 0x04
@ -880,10 +882,22 @@ static int set_features(void)
{ 83, 3, 0x05, 1 }, /* power management: lowest power */
{ 83, 9, 0x42, 0x80 }, /* acoustic management: lowest noise */
{ 82, 6, 0xaa, 0 }, /* enable read look-ahead */
{ 83, 14, 0x03, 0 }, /* force PIO mode */
{ 0, 0, 0, 0 } /* <end of list> */
};
int i;
int pio_mode = 2;
/* Find out the highest supported PIO mode */
if(identify_info[64] & 2)
pio_mode = 4;
else
if(identify_info[64] & 1)
pio_mode = 3;
/* Update the table */
features[3].parameter = 8 + pio_mode;
ATA_SELECT = ata_device;
if (!wait_for_rdy()) {
@ -899,7 +913,13 @@ static int set_features(void)
if (!wait_for_rdy()) {
DEBUGF("set_features() - CMD failed\n");
return -2 - i;
return -10 - i;
}
if(ATA_ALT_STATUS & STATUS_ERR) {
if(ATA_ERROR & ERROR_ABRT) {
return -20 - i;
}
}
}
}