se 83daf48fe3 Fix problem with early revision 53c825a and 53c875 chips, which
could cause a solid system lockup in the driver attach:

These chips do not abort an access to the internal SRAM, when
the driver set the software reset bit in the istat register. But
the chip will never acknowledge the requested PCI bus transfer
in the situation, causing an infinite wait and a lockout of other
bus-masters.

The problem has been reported for rev 0x11 of the 53c825a and
rev 0x01 of the 53c875.
Revisions 0x13 of the 53c825a and 0x03 of the 53c875 are known
to support SRAM accesses, even in the software reset state.
1997-08-31 19:35:52 +00:00
..
1997-08-02 14:33:27 +00:00
1997-08-02 14:33:27 +00:00
1997-08-03 13:00:42 +00:00
1997-05-09 07:48:14 +00:00
1997-08-02 14:33:27 +00:00
1997-08-02 14:33:27 +00:00
1997-08-02 14:33:27 +00:00
1997-08-21 08:42:59 +00:00
1997-08-21 08:42:59 +00:00
1997-01-21 23:23:40 +00:00
1997-08-02 14:33:27 +00:00
1996-12-18 11:35:12 +00:00
1997-08-02 14:33:27 +00:00
1997-08-02 14:33:27 +00:00

$Id$

----------------

The enclosed drivers should be considered beta-test software.  These
drivers are in no way supported by Digital Equipment.  See the
disclaimers in the sources for more information.  Please be aware that
Digital does not employee me to write drivers for FreeBSD.

This kit contains one driver:

	de	DEC DE435 PCI NIC or compatible

See README.de for information and installation instruction specific to this
driver.

Could you please send me the startup messages in the boot
long along with the type of your PC once the driver configures?  

If you have any problems, comments, suggestions, rant or raves, don't
hesitate to send me mail @ thomas@lkg.dec.com.

Lastly, if you change or modify the code, I want context diffs of your
changes.  I want this to the canonical DEC EtherWORKS driver kit for
FreeBSD, NetBSD, BSD/386, and any other BSD based O/S.  Please make
sure your diffs are approriate conditionalized.

Thanks,
Matt Thomas
--
Mail:	thomas@lkg.dec.com
URL:	http://ftp.digital.com/~thomas/