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8 Commits

Author SHA1 Message Date
jonathan
7fb01f01ae Print TC bus speed properly when attaching device, since the SCSI 
clock is taken (and computed) from the TC bus clock.  See PR 4380.
 1997-10-31 06:29:59 +00:00
mhitch
0ae3de1a27 Use direct DMA with the IOASIC ASC SCSI interface. DMA buffering can be 
re-enabled with ASC_IOASIC_BOUNCE.
All DMA buffered processing is now done in the bus-specific DMA routines
in asc_ioasic.c and asc_tc.c.
Disable several informational messages dealing with non-empty FIFO conditions,
but allow enabling with ASC_DIAGNOSTIC for troubleshooting.
 1997-07-28 19:39:22 +00:00
jonathan
4631885e91 Kill __BROKEN_INDIRECT_CONFIG on pmax. 
Based on a patch from Chris G. Demetriou, December 1996.
 1997-07-21 05:39:02 +00:00
jonathan
1f44934407 * Change Sprite MACH_xxx prefix to MIPS_xxx. 
* Use standard mips terminology (xxx_KSEG0, xxx_KSEG1) instead of the
  (more meaningful) Sprite names (xxx_CACHED, xxx_UNCACHED).
 1997-06-22 07:42:25 +00:00
christos
86373f8cf9 backout kprintf changes 1996-10-13 01:37:04 +00:00
mhitch
184eb4a5e9 Remove extraneous output - ascattach() already did it. 1996-10-12 16:15:34 +00:00
christos
b5c4f2fc49 printf -> kprintf, sprintf -> ksprintf 1996-10-10 20:25:34 +00:00
jonathan
8eca2b2bb4 * Rewrite asc driver with ``mi'' backend and parent-specific front-end 
cfattach code for TC SCSI option cards  and ioasic 53c94 baseboard SCSI.
    ascvar.h:  shared softc  declarations
    asc_ioasic.c: ioasic front-end code.
    asc_tc.c: Turbochannel option (and 5000/200 basebard) front-end code.
* ioasic_attach meeds more work to eliminate pmax_type dependency
   and to verify the clocks speed passed to 53c94.
* Add prototypes for asc script entry points; should compile with
  -Wstrict-prototypes -Wmissing-prototypes.
* Use tcvar.h interface.  The usage of tc_syncbus() and tc_mb() may
  not be quite stylistically on an Alhpa, but it apparently makes no
  difference on the eerly-generation Alpha CPUs in TC Alphas.
 1996-09-25 21:07:46 +00:00