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Fix the problem with accessing certain FLASH devices. The problem

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was that accessing the status reg could occour too fast, confusing
the logic in the flash part. Could not have been located without:

HW donated by: Jonas Bülow <jonas@servicefactory.se>
This commit is contained in:
Søren Schmidt 2003-10-01 09:58:19 +00:00
parent 460c513686
commit 6d92de35c9
1 changed files with 7 additions and 3 deletions
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10
sys/dev/ata/ata-lowlevel.c
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@ -644,11 +644,13 @@ ata_reset(struct ata_channel *ch)
static int
ata_wait(struct ata_device *atadev, u_int8_t mask)
{
int timeout = 0;
u_int8_t status;
int timeout = 0;
DELAY(1);
while (timeout < 5000000) { /* timeout 5 secs */
/* wait 5 seconds for device to get !BUSY */
while (timeout < 5000000) {
status = ATA_IDX_INB(atadev->channel, ATA_STATUS);
/* if drive fails status, reselect the drive just to be sure */
@ -678,8 +680,10 @@ ata_wait(struct ata_device *atadev, u_int8_t mask)
return -1;
if (!mask)
return (status & ATA_S_ERROR);
DELAY(1);
/* wait 50 msec for bits wanted. */
/* wait 50 msec for bits wanted */
timeout = 5000;
while (timeout--) {
status = ATA_IDX_INB(atadev->channel, ATA_STATUS);