Punky,
I applied the version of Jim Cromie's patch found on the Soekris board
(at
http://lists.soekris.com/pipermail/soekris-tech/2006-June/010550.html)
but my 2.6.15-ubuntu1 voyage kernel, but the kernel would not compile
after the patch was applied. It appears the patch is geared for a
2.6.17 kernel, although there are reports it works in a 2.6.16 kernel.
At least for me, it is not working in a 2.6.15 one.
It appears that Jim's patch has entered the kernel mainline at 2.6.18rc1
and shows further work in rc2
(http://tonnikala.net/linux.php?kernel=2.6.18-rc2&class=linux26&type=full).
This is good news for the future, at least.
It is way beyond my skills to try and tweak the patch to work back
towards 2.6.15. What I am wondering is this - is it possible and/or
reasonable to take a pristine 2.6.17 kernel source, and use the latest
kernel config files from voyage to build a kernel that would work OK
with either the 2.0 or voyage-current release? Or am I going to crash
and burn badly with this approach? Is it reasonable instead to try and
build a pristine 2.6.16 or 2.6.17 stock kernel, attempt to hand migrate
the key elements of the .config file from the most recent voyage build,
and then use that kernel with the voyage-current setup?
Any advice you can offer would be a help. I know you are not into this
GPIO stuff, but I figure this is mainly a kernel and voyage kind of
question.
Cheers,
- Michael
---------------------------------------------------
Hi Michael,
I noted Jim Cromie's patch already, and will include in the next kernel
release.
Unfortunately, I am not very interested in GPIO. I won't be testing
it. But I think some other people working on it. (Solomon and Bill?)
But they are on WRAP platform.
Regards,
Punky
mgrollman wrote:
I currently use the Voyage 2.0 on a Soekris 4801, and it works very
well. Thanks, Voyage team! I would like to begin to use the GPIO
inherent on the board. I have found on this list a fair amount of
data on doing stuff with GPIO and WRAP, but not much on GPIO and
Soekris. On the Soekris board, I was able to find information here:
http://dev.gentoo.org/~brix/papers/net4801/net4801.html#sect-kernel
and here: http://ryanc.org/index.php?s=51, and in other spots as
well, but these sites tended to focus on BSD or Gentoo or on a
generic implementation, not on what the Voyage team was up to just
now.
Couple of questions.
1. Do any of the stock (or custom) Voyage kernels have the
appropriate patches in places for GPIO on the Soekris (Jim Cromie has
written what seems to well known discussed
here:http://article.gmane.org/gmane.linux.kernel/416341, but there
appear to be several out there) ? I note on boot that my 2.6.15
kernel says "scx200: GPIO base 0x6100" but I am not sure what if any
GPIO driver this is, and if it is indeed fully enabled?
2. If so, which kernel(s) to choose, assuming 2.5.15 or better is
desired?
3. If not, which is the best patch set to use and how best to apply
it to one of the current voyage kernels? Any gotchas?
4. Are these patches needed to make use of the lmsensors module on
the Soekris, or support here as far as voyage goes limited to WRAP
hardware?
5. ... and what other advice can anyone offer from userland for
combining Voyage, Soekris, and GPIO?
Any advice is greatly appreciated.
Cheers,
- Michael
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Punky
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