Thread (3 messages) 3 messages, 2 authors, 2004-05-25

Re: 2.6 on 8xx (was [PATCH] Driver for FECs on motorola DUET (87x/88x))

From: Pantelis Antoniou <hidden>
Date: 2004-05-25 14:08:50

Robert P. J. Day wrote:
On Tue, 25 May 2004, Pantelis Antoniou wrote:

quoted
Hi there

Success!!!

 netvia-ppc root # uname -a
 Linux netvia-ppc 2.6.6 #54 Tue May 25 13:53:27 EEST 2004 ppc ppc ppc
GNU/Linux

Everything works now, the problem was with the uart driver, had a
problem with
the interrupts.
i'm definitely interested in what it took for you to get this to work.
currently, i've got a perfectly working system, booting a 2.4-based
kernel, compiled with ELDK 3.0, on a customized 8xx board.  this system
uses the now-deprecated "devfs".
I used an NFS mounted root ELDK 3.0 filesystem. By mistake I booted with
devfs and everything worked except the telnet networked logins.
Did not have time to check why though.
i bk-cloned the linuxppc-2.5 tree, did "make menuconfig" as best i could
(guessing every so often at some of the new features), compiled a new
kernel and, glory be, actually got the new kernel to boot up to the point
of trying to start "init", at which point it hung.
Well you wont get any further than this using the stock kernel.

I had to use my own ethernet and a ported over serial uart driver for CPM2
boards.

Also some tweaking is needed to the irq dispatch and defining out
some mmu staff which do not apply for 8xx.
i'm using embedded planet's planet core bootloader and, although i'd love
to make the switch to u-boot, given that planet core seems to be doing the
job at the moment, i think i won't tempt the gods just yet.  that's a
later project.
My condolences :)
given that "devfs" is now technically obsolete, i'm wondering what you did
in terms of the kernel configuration, and what you had to do in your root
filesystem to effect the switch over to (i'm assuming) sysfs+udev.
I did nothing special; it appeared to just work.
mind sharing your .config file for this?  i'm not interested in getting
every feature of this board to work at the moment -- just getting to the
command line prompt would make me happy.
Patience, I'll clean the stuff up and post them here.
rday


Regards

Pantelis


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