Date: 3 Feb 1999 16:59:17 +1100 From: "John Saunders" <john.saunders@nlc.net.au> To: Greg Himes <greg@chlgroup.com> Cc: freebsd-questions@FreeBSD.ORG Subject: Re: Cyclom 8Yo Driver problems Message-ID: <19990203055917.4364.qmail@nhj.nlc.net.au> In-Reply-To: <36B23B4B.35CA@chlgroup.com>
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I was in a similar situation. I bought an extra 16 port module for
a 16Ye and found it didn't work on my 2.2.8 system. After my
research I found that the firmware revision of the CD1440 quad
UART had been changed from 0x46 to 0x48. A look into the 3.0 driver
found that they changed the clock (baud rate divisor), and swapped
the DTR and RTS pins around. So unless the driver supports the new
firmware you won't get far. You could try hacking the code to
make the above mention changes, get the driver files from 3.0
to see what I mean. However the 3.0 driver has sufficient changes
to make a complete back port interesting to say the least.
I ended up doing a 3.0 upgrade, things seem to work well now.
Although I have come across a nasty 3.0 lockup not related to
the Cyclades.
In nlc.lists.freebsd-questions you wrote:
> I just installed a new Cyclades 8Yo board, version 6.02, into an old
> 2.2.5 machine. After rebuilding the kernel with COM_MULTIPORT and cy0
> support, the system finds the board, and MAKEDEV created the devices.
> I have started getty on the 1st 2 ports to test everything. It looks
> like getty is sending out a login prompt, but all I see garbage,
> similar to what you see when the port speed is set incorrectly.
> I did some research and read (somewhere) that the newer Cyclades boards
> don't work with the old driver. I downloaded the 2.2.x driver from
> Cyclom's ftp site and rebuilt the kernel. The new kernel panics on
> startup.
> So........... Is there a new driver that works with 2.2.5? Or perhaps
> I should upgrade to 3.0. Cyclom's ftp site had a 3.0 driver available
> for download. Does that mean the one that ships with the 3.0 CDs
> doesn't work.
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