Commit Graph

51 Commits

Author SHA1 Message Date
Justin T. Gibbs
3aaa276222 Make it clearer how the termination settings from the PCI probe are used by
the ahc_init routine.
1997-02-25 03:06:19 +00:00
Peter Wemm
6875d25465 Back out part 1 of the MCFH that changed $Id$ to $FreeBSD$. We are not
ready for it yet.
1997-02-22 09:48:43 +00:00
Justin T. Gibbs
62e2cfe42e ULTRAENB->FAST20 1997-02-09 03:27:09 +00:00
Justin T. Gibbs
9d5e1d812d Add 1997 to my copyright.
Change the autotermination code slightly to be more careful on narrow
adapters.
1997-01-29 05:28:21 +00:00
Justin T. Gibbs
09e505318a Add the definition for the CFAUTOTERM bit in the aic78xx SEEPROM.
Add auto-termination support as well as support for setting the high byte
termination.  Booting with '-v' will display the settings that the driver
chose.  If you stick narrow devices onto the external wide port, you had
better make sure that your converter cable terminates the bus, you have a
wide device on there that terminates the bus, or you manually set the
termination properly in SCSI-Select instead of using "Automatic".  The
code will get the setting right regardless if you *don't* have internal
wide devices in this type of configuration.  Unfortunatly this is a limitation
of the design of the Adaptec cards.
1997-01-24 22:04:14 +00:00
Justin T. Gibbs
5ea6dc36ff Be smarter about enabling memory mapped I/O. The AHC_ALLOW_MEMIO option
should not be required anymore.

Turn on ULTRA for cards that don't have a BIOS or SEEPROM.
1997-01-22 18:07:15 +00:00
Jordan K. Hubbard
1130b656e5 Make the long-awaited change from $Id$ to $FreeBSD$
This will make a number of things easier in the future, as well as (finally!)
avoiding the Id-smashing problem which has plagued developers for so long.

Boy, I'm glad we're not using sup anymore.  This update would have been
insane otherwise.
1997-01-14 07:20:47 +00:00
Justin T. Gibbs
7595de5113 AHC_FORCE_PIO -> AHC_ALLOW_MEMIO 1996-11-16 01:19:50 +00:00
Justin T. Gibbs
ea4f3c468a Clean up the memory mapped/Programmed I/O stuff so that the driver completely
uses one or the other.  This required some changes to the ahc_reset()
function, and how early the probes had to allocate their softc.

Turn the AHC_IN/OUT* macros into inline functions and lowercase their names
to indicate this change.  Geting AHC_OUTSB to work as a macro doing
conditional memory mapped I/O would have been too gross.

Be smart about the STPWEN control bit in SCFRCTL1.  It should only be set
if the low byte of the bus is to be terminated.  We figure this out either
by "caching" the value left over from the BIOS setup before we reset the card
or by using the values stored in the seeprom if it is availible.
1996-11-11 05:26:14 +00:00
Justin T. Gibbs
a75528de6b Clean up some code having to do with the 398X cards. We can't rely on the
7810 being either the last of the first device to be probed, so use a counting
scheme instead to determine when one card ends and another begins.  There may
be a better way to do this by decoding the PCI tag, which I will investigate
later.

2.2 Candidate.
1996-11-05 07:59:28 +00:00
Justin T. Gibbs
b36b7d853f Add basic support for the 398X cards as multi-channel SCSI host adapters.
This involves expanding the support of the SEEPROM routines to deal with
the larger SEEPROMs on these cards and providing a mechanism to share
SCB arrays between multiple controllers.

Most of the 398X support came from Dan Eischer.

ahc_data -> ahc_softc

Clean up some more type bogons I missed from the last pass.
1996-10-28 06:10:33 +00:00
Justin T. Gibbs
7491f60b54 - KNF cleanup.
- Add support for memory mapped I/O.
1996-10-25 06:43:10 +00:00
Bruce Evans
62c3734cbe Updated #includes to 4.4lite style. 1996-10-15 19:22:46 +00:00
Justin T. Gibbs
2ea8799246 Bring aic7xxx driver bug fixes from 'SCSI' into current. 1996-10-06 16:38:45 +00:00
Justin T. Gibbs
43ebe040fe Only assume the scratch ram is valid (we were initialized by the BIOS)
if SCSIID is something other than 0.
1996-06-08 06:55:55 +00:00
Justin T. Gibbs
c2d50bea44 Merge in changes for NetBSD/OpenBSD.
NetBSD/OpenBSD support Submitted by:Noriyuki Soda <soda@sra.co.jp>,
				    Pete Bentley <pete@demon.net>,
				    Charles M. Hannum <mycroft@mit.edu>,
				    Theo de Raadt <deraadt@theos.com>
1996-05-30 07:20:17 +00:00
Justin T. Gibbs
087b79e649 Correct a botched commit from yesturday. It helps to bring over the
right patch file.<sigh>
1996-05-23 15:02:18 +00:00
Justin T. Gibbs
0d12199628 It seems that the aic78X0 chips will either have their scratch ram
as all 0s or all 1s after POST if there is no BIOS installed.
1996-05-21 18:38:41 +00:00
Justin T. Gibbs
58efe44318 Fix a brain-o. The scratch ram on aic78X0 controllers is initialized to 0x00
not 0xff after POST, so test for that when trying to determine if a BIOS
intialized the card for us.
1996-05-12 16:25:32 +00:00
Justin T. Gibbs
8d92e174b9 Free our device information in one error case in the driver probe. 1996-05-12 01:50:33 +00:00
Justin T. Gibbs
cba01a3fa6 Add missing '+ io_port' to two outbs.
Add missing splx() in one error case during probes.
Remove unnecessary return and break.

Submitted by: Noriyuki Soda <soda@sra.co.jp>
1996-05-12 01:46:11 +00:00
Justin T. Gibbs
33cb7dbb53 The aic78X0 cards have 0xff in all bytes of scratch ram after POST. If
a BIOS was not installed, this will still be true by the time we probe
the chip.  We use this heuristic to determine if we should use the left
over scratch ram target settings for controllers that don't have an
SEEPROM.  We also "snapshot" the host adapter SCSI id and whether ultra
is enabled or not and use these values if a BIOS was installed.  The card
will act as if a BIOS was installed even if there wasn't one if you warm
reboot, but since the scratch ram area is still valid in this case, its
hardly worth the effort of writing a shutdown routing that clears out
the scratch ram.  This should make users of motherboard controllers
happy.
1996-05-10 16:26:41 +00:00
Justin T. Gibbs
bb0877f67f Add PCI IDs for the aic7860 (basically an aic7850 Ultra) and the aic7855
(HP motherboard aic7850 controllers).

Properly handle 4 bit controller SCSI IDs.

Update my copyright.
1996-04-20 21:31:27 +00:00
Justin T. Gibbs
09d0c1ca40 ncr.c:
Use new XS_SELTIMEOUT error code for selection timeouts.

aic7870.c:
   Move SCB walking code to aic7xxx.c and make it work for all card types.

   The flag AHC_EXTSCB is no longer needed since the SCBs are walked in
   all cases now.
1996-03-31 03:17:50 +00:00
Justin T. Gibbs
7e1f0d8dc5 Be more careful in how we set SCSICONF. It was possible for a controller
set to a device id above 7 to screw up the data fifo setting.
1996-03-11 02:49:48 +00:00
Justin T. Gibbs
100eb37c65 aic7870.c, ncr.c:
Cleanse the SCSI subsystem of its internally defined types
	u_int32, u_int16, u_int8, int32, int16, int8.
	Use the system defined *_t types instead.

aic7870.c:
	Handle Seeprom data a little better.
1996-03-10 07:12:49 +00:00
Justin T. Gibbs
0fed413e64 Update copyright. 1996-01-29 03:18:20 +00:00
Stefan Eßer
dd7610fca4 Make PCI interrupt handlers return void like everybody else does.
Reviewed by:	davidg
1996-01-23 21:48:28 +00:00
Justin T. Gibbs
e3cf0fb323 Don't bother setting the DSCommand register. Adaptec's own BIOS doesn't. 1996-01-09 16:14:53 +00:00
Justin T. Gibbs
2f53429551 Write the cahesize and latency timer values back into configuration
space (whoops!).

Add a missing argument to the cachesize/lattime printf.

Set the CACHETHEN bit in DSCommand.
1996-01-07 19:26:12 +00:00
Justin T. Gibbs
c5753242cf The long awaited stability patch set for the aic7xxx driver:
Simplify the initialization of adapters by pulling all card specific
initialization to the card specific modules.

Set the Latency timer and Burst len to good values if thery are not
initialized during post or are reset during chip reset.

Properly identify and handle external SCB SRAM.  The code was false
id'ing 255 SCBs on aic7880 chips.

Reviewed by:   David Greenman <davidg@FreeBSd.org>
1996-01-03 06:34:10 +00:00
Poul-Henning Kamp
f708ef1b9e Another mega commit to staticize things. 1995-12-14 09:55:16 +00:00
Justin T. Gibbs
62f51df3c9 Remove uneccessary increment of the unit number. 1995-11-07 05:33:27 +00:00
Justin T. Gibbs
deb0ea4125 Conform to new probe/attach interface exported by aic7xxx.c.
Use ahcintr directly as interrupt handler.
1995-11-05 04:51:58 +00:00
Bruce Evans
2e8300f1f6 Fixed the type of ahcintr(). The type of an ISA interrupt handler is
incompatible with the type of a PCI interrupt handler.  A new entry
point `ahc_pci_intr()' is used for PCI.  ISA and PCI interrupts are
penalized equally (:-) by calling a common handler `ahc_intr()'.  This
should be reorganized.  Some strings now name the wrong function...
1995-11-04 14:43:30 +00:00
Justin T. Gibbs
5bc51a33d8 Recognize the aic7880 and 3940 Ultra.
If RAMENB is set in devconfig, walk the external SCBs.  Some Intel Xpress
motherboards set this bit.

For external SCBs for the 3940.  It doesn't set RAMPS or RAMENB, but does
have the ram.
1995-10-26 23:58:59 +00:00
Justin T. Gibbs
eec7e07a40 Identify the 2940 *Ultra* SCSI adapter. We treat it as a normal 2940
for now since I don't have any documentation on this card yet and it
is software compatible with the earlier cards.

The 2940 *Ultra* is Adaptec's push to take SCSI to 20MHz bus rates.  Its
based on the aic7880 chip which is the successor to the aic7870.
1995-10-08 17:46:11 +00:00
Justin T. Gibbs
cad8dd8860 Detect external SRAM.
Count the number of detected 3940 controllers.  Tag all even controllers
as being the "B Channel".
1995-09-05 23:53:48 +00:00
Justin T. Gibbs
54aec2bee6 Correct the PCI ID for the Adaptec 7850 chips. 1995-08-20 03:18:09 +00:00
Justin T. Gibbs
cbc6d18d9f Add PCI Id for the 3940 controller. 1995-07-04 21:21:33 +00:00
Rodney W. Grimes
d3628763db Merge RELENG_2_0_5 into HEAD 1995-06-11 19:33:05 +00:00
Rodney W. Grimes
9b2e535452 Remove trailing whitespace. 1995-05-30 08:16:23 +00:00
Justin T. Gibbs
241606bc72 kernel.h -> sys/kernel.h 1995-04-15 21:38:34 +00:00
Justin T. Gibbs
bbf437ee54 Mask the call to ahc_attach with an splbio/splx pair. This allows us
to poll succesfully even if we are sharing the interrupt.

Register the interrupt handler before the attach.

This commit makes the 294x PCI shared interrupt compliant.  This has
been tested with an aic7870 motherboard controller and a 294x in the
same machine shareing an irq.
1995-03-31 14:08:33 +00:00
David Greenman
cb09d35cb0 Added a new field to the pci_device struct called pd_shutdown to specify
a device specific shutdown routine for devconf. Assign the value of this
to the kern_devconf struct. Implement a device shutdown routine for if_de
that disables the device. This will stop the device from corrupting memory
after a reboot.
1995-03-17 04:27:21 +00:00
Justin T. Gibbs
4e259174eb #include<kernel.h> to quiet a compiler warning having to do with the
DATA_SET (pcidevice_set, ahc_device) macro.  Maybe this will allow
the aic7870 to be probed again.  I don't have a PCI machine here
to test it.
1995-02-03 17:08:17 +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
Justin T. Gibbs
d7be8cb6e9 Change the string returned in the aic7870 motherboard probe case. Change
#define to a more appropriate name.
1995-01-22 00:47:50 +00:00
Justin T. Gibbs
344e176820 Add $Id. Recognize motherboard aic7870 based controllers. 1995-01-16 16:31:57 +00:00