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18 Commits

Author SHA1 Message Date
Søren Schmidt
f313fea97d Properly get out of transaction() if setting up the transfer fails. 2003-10-07 13:45:56 +00:00
Søren Schmidt
6d92de35c9 Fix the problem with accessing certain FLASH devices. The problem 
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>
 2003-10-01 09:58:19 +00:00
Søren Schmidt
bcf5e4d6b1 Dont reject a master device if it said slave failed. 2003-09-20 08:38:33 +00:00
Søren Schmidt
015aa7376b Cosmetics 2003-09-18 16:44:54 +00:00
Søren Schmidt
228800a5a7 Be a bit more restrictive in the probe so we dont hang around 
on empty channels in most cases.
 2003-09-18 16:43:08 +00:00
Søren Schmidt
855deec44c When ignoring interrupts (due to no running request set) then try 
to grap the channel so we can read status (and clear an evt pending
interrupt).
 2003-09-16 15:21:37 +00:00
Søren Schmidt
853c84ddf6 Rearrange the probe a bit first try ATAPI signatures then ATA. 2003-09-16 15:16:36 +00:00
Søren Schmidt
2194b6a479 Try a bit harder to probe disks that doesn't quite set BUSY right. 2003-09-10 09:57:16 +00:00
Søren Schmidt
4514dcad32 #ifdef out the vague ATA disk detection code causing fake ATA disks 
to be found on some systems.
Hopefully this doesn't loose any real ATA disks...
 2003-09-08 08:36:46 +00:00
Søren Schmidt
08c26854a3 Handle shared channels better. 
Try to avoid the spurios interrupts better.
 2003-09-08 08:32:25 +00:00
Søren Schmidt
7c78880561 Rearrange the probe code yet again. 2003-09-01 11:13:21 +00:00
Søren Schmidt
d7e9ef77f8 Be more carefull on nulling the ATAPI magic for fake slave. 
Skip polling devices that keeps returning 0xff early (ie no HW there).
 2003-08-28 09:15:05 +00:00
Søren Schmidt
1d68703f6a Hopefully Fix problem with probing some ATAPI devices, while still 
trying to avoid the "fake slave" problem.
 2003-08-27 11:21:30 +00:00
Søren Schmidt
3a83be8e3b Try to get rid of the fake slave problem. 2003-08-25 13:06:13 +00:00
Søren Schmidt
9f06a4277f Unify prototypes. 
Cosmetics.
 2003-08-25 09:01:49 +00:00
Søren Schmidt
bcebaec6ce Sync with local version (cosmetics) 2003-08-24 19:58:11 +00:00
David E. O'Brien
aad970f1fe Use __FBSDID(). 
Also some minor style cleanups.
 2003-08-24 17:55:58 +00:00
Søren Schmidt
5fdbb0d222 This is a major rework of the ATA driver (ATAng) 
Restructure the way ATA/ATAPI commands are processed, use a common
ata_request structure for both. This centralises the way requests
are handled so locking is much easier to handle.

The driver is now layered much more cleanly to seperate the lowlevel
HW access so it can be tailored to specific controllers without touching
the upper layers. This is needed to support some of the newer
semi-intelligent ATA controllers showing up.

The top level drivers (disk, ATAPI devices) are more or less still
the same with just corrections to use the new interface.

Pull ATA out from under Gaint now that locking can be done in a sane way.

Add support for a the National Geode SC1100. Thanks to Soekris engineering
for sponsoring a Soekris 4801 to make this support.

Fixed alot of small bugs in the chipset code for various chips now
we are around in that corner anyways.
 2003-08-24 09:22:26 +00:00