different device file name when relocating SMC1?
Robert P. J. Day
rpjday at mindspring.com
Sat Jul 24 23:07:46 EST 2004
working with the latest 2.4.25 kernel tree from denx (sorry, i know
everyone else is keen on 2.6, but we do have a project to maintain), i
have a baseline kernel config for our 850DE board with SMC1 UART, and
no networking configured in yet. i just wanted to test the simple
relocation of SMC1 *in* *preparation* for adding ethernet on SCC3, so
i added the ucode patches to shift SMC1 (that was the only change in
the kernel config), and a couple of us moved over the patches from the
old uart.c file as best we could.
with just this change, all we now get at boot time is:
Linux/PPC load: console=ttyS0,9600 rw root=/dev/ram0
Uncompressing Linux...done.
Now booting the kernel
... and hang ...
so, simple question -- until now, we've identified the console as
ttyS0, and it's worked fine. does relocation require referring to the
console with a different device file name? i (vaguely) recall /dev
entries with names like cpmuart0 or something like that. given
relocation, should i be using something other than "ttyS0"?
(chances are, of course, we have to mess with uart.c a bit longer to
see what's different between the two 2.4 kernel trees, but i thought
i'd ask if it could be something this simple.)
rday
** Sent via the linuxppc-embedded mail list. See http://lists.linuxppc.org/
More information about the Linuxppc-embedded
mailing list