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179 Commits

Author SHA1 Message Date
Stefan Eßer
252e349211 Reduce burst length to 4 DWORDs for now, since there seem to 
be 486 chip sets that can't tolerate bursts > cache line size.
This should really made dependent on the particular buggy
chip sets, but for now we'll play safe ...
 1995-03-03 16:44:33 +00:00
Stefan Eßer
dff6de1a8c Delete bogus semicolon in macro definition. 1995-02-27 17:10:20 +00:00
Stefan Eßer
9b7d1decfc Make people happy, who claim to better know how "interupt" 
is to be spelled :).

Submitted by:	<wolf@kintaro.cologne.de> Wolfgang Stanglmeier
 1995-02-25 17:34:03 +00:00
Stefan Eßer
fe5278a5cc Cleanup for compatibility with another OS. 
Submitted by:	wolf
 1995-02-22 18:04:56 +00:00
Stefan Eßer
3453c5d5db Improve diagnostics: 
Test for correct execution of cache test script by NCR,
and give meaningful error description if it fails.
(A cache problem was reported before.)
Don't wait forever for cache test to complete (to protect
against faulty hardware).

Submitted by:	wolf
 1995-02-17 16:45:08 +00:00
Stefan Eßer
6977dc165f For the sake of people, who like to move pci_configure() 
before isa_configure() in autoconf.c:

ncr_intr() protected by splbio()/splx()

Submitted by:	wolf
 1995-02-15 20:06:38 +00:00
Stefan Eßer
9ddf96998e ncr.c: 
New config option "NCR_IOMAPPED" makes the driver use port I/O.
Put back in 53c815 defines, submitted by Mikael Hybsch <micke@dynas.se>.
These had got lost between cvs rev. 1.14 and now ...

pci.c:

Really write config space register.
Assign ports starting at 0xbc00.

Submitted by:	wolf
Reviewed by:	se
 1995-02-14 23:33:38 +00:00
Stefan Eßer
1bc2211b44 Verify that NCR was mapped to uncached address. 
Submitted by:	wolf@kintaro.cologne.de <Wolfgang Stanglmeier>
 1995-02-14 22:48:01 +00:00
Poul-Henning Kamp
c70f45100d YFfix. 1995-02-14 06:28:25 +00:00
Stefan Eßer
045de8d38f Block interrupts in more places and warn about the NCR exception handler 
being called at inappropriate times (should never happen !).

Reviewed by:	se
Submitted by:	wolf@kintaro.cologne.de (Wolfgang Stanglmeier)
 1995-02-10 13:24:52 +00:00
Stefan Eßer
91857942bb Add short delay after NCR reset. 
Submitted by:	wolf@kintaro.cologne.de (Wolfgang Stanglmeier)
 1995-02-06 22:01:58 +00:00
Stefan Eßer
ee1b86ffbd Disable I/O port accesses in case the BIOS enabled them. 
Clear all output lines except ATN and ACK when waiting
for target phase change.

Submitted by:	wolf (Wolfgang Stanglmeier)
 1995-02-04 14:02:44 +00:00
Stefan Eßer
ea6ecb4e52 Disable disconnect after drive timeouts, since these 
may be the result of reselect following too fast for
the driver to notice. Not the final solution, but the
problem has been seen only with very few devices.

Reviewed by:	se
Submitted by:	wolf (Wolfgang Stanglmeier)
 1995-02-02 15:50:57 +00:00
David Greenman
6398cf3113 Reapplied all of Stefan's changes. What a mess - the files were modified 
and moved at the same time. This made it *very* difficult to fix the
revision log lossage that happend when the files were moved. SIGH.
 1995-02-02 13:12:18 +00:00
David Greenman
77e50733d8 Fixed up include paths after copying these in the repository. 1995-02-02 12:36:19 +00:00
Stefan Eßer
cde24835d3 Submitted by: Mikael Hybsch <micke@dynas.se> 
Add support for NCR 53c815 PCI SCSI chip.
 1995-01-12 14:01:13 +00:00
Stefan Eßer
99e7cabca3 Really deactivated the code that puts scsi stats into dk0. 
This should have been disabled for some time, but I had screwed up ...
This made spurious values appear for fd0 in systat, when there was
NCR SCSI activity.
 1994-11-28 23:18:46 +00:00
Andreas Schulz
339b10f15d Submitted by: Paul F. Werkowski 
Add a quirk line for the SONY SDT-5000 like it is done for the WangDAT tapes.
 1994-10-30 00:30:27 +00:00
Stefan Eßer
c3739b59ec Change some compile time defaults, which may be overridden from the 
kernel config file by options lines.
Now the default settings are FAST SCSI, max. 4 TAGS, WIDE transfers,
if supported by the hardware ...
 1994-10-27 20:12:46 +00:00
Stefan Eßer
6055e04518 Submitted by: "Randall W. Dean" <rwd@osf.org> 
Fixed typo in initialisation of DMODE:
PCI burst length now really 16 transfers as advertised ...
 1994-10-14 23:59:36 +00:00
Stefan Eßer
152f2ff316 Submitted by: Wolfgang Stanglmeier <wolf@dentaro.GUN.de> 
Debugging option changed, getirr() removed.
 1994-10-13 01:11:13 +00:00
Stefan Eßer
5044407419 Submitted by: Bruce Evans <bde@zeta.org.au> 
Function getirr() could clobber interrupt controller state.
 1994-10-12 04:17:24 +00:00
Stefan Eßer
65772aee92 Submitted by: Wolfgang Stanglmeier <wolf@dentaro.GUN.de> 
Bug fixed, that caused system hang on first interrupt on some motherboards.

New version of PCI bus configuration code, now supports dynamic interrupt
configuration (using BIOS supplied values).
NCR SCSI and DEC Ethernet driver patched to use this feature.
*** Remove PCI IRQ specifications from your kernel config file ! ***
 1994-10-12 02:33:23 +00:00
Stefan Eßer
799e5f277f Submitted by: Wolfgang Stanglmeier <wolf@dentaro.GUN.de> 
New version with improved support for WIDE SCSI using the NCR 53c825.
Test for buggy secondary cache implementations.
PCI Int to IRQ mapping now specified per slot.
 1994-09-28 16:34:13 +00:00
Rodney W. Grimes
1ee6b373eb Add missing closing comment. I have taken the non-knf format 
of this code up with the authors and they are looking at converting it,
but until then leave the format alone.
 1994-09-24 02:42:11 +00:00
David Greenman
df9ab3049d Removed inclusion of pio.h and cpufunc.h (cpufunc.h is included from 
systm.h). Merged functionality of pio.h into cpufunc.h. Cleaned up some
related code.
 1994-09-16 13:33:56 +00:00
Stefan Eßer
45271d26ef Submitted by: Wolfgang Stanglmeier <wolf@dentaro.GUN.de> 
New version with support for the NCR 53c810 and 53c825.
Support for WIDE SCSI devices.
 1994-09-16 00:22:32 +00:00
Stefan Eßer
5ec480ad23 Submitted by: Wolfgang Stanglmeier <wolf@dentaro.GUN.de> 
Merged in changes required for NetBSD support (by mycroft@gnu.ai.mit.edu)
and support for multiple NCR chips.
 1994-09-01 02:01:45 +00:00
Stefan Eßer
37bd2c9c33 Submitted by: Wolfgang Stanglmeier <wolf@dentaro.GUN.de> + Stefan Esser <se> 
Directory for PCI autoconfigure and device driver code.
 1994-09-01 01:45:19 +00:00