Thread (16 messages) 16 messages, 6 authors, 2008-07-02

Re: Linux on Virtex board with ARCH=powerpc

From: Aaron Sells <hidden>
Date: 2008-06-27 15:31:49

Peter,

Peter Mendham wrote:
I now have a new and rather bizarre problem, which maybe you or someone 
else has met before.  I have a simple FPGA design with memory, a sysace 
and a uart16550 on an ML405 (I've put my hardware to one side for the 
moment).  It works just fine.  If I swap the uart16550 for a uartlite 
(remaking the kernel with the correct device tree) I see all the boot 
messages and the kernel seems to start OK, the root partition is mounted 
but then I see nothing from /sbin/init.  This is the same root fs that I 
was using with the uart16550 example I just mentioned.  So it's a known 
good root fs, but it doesn't appear to be able to output to /dev/console 
when I have a uartlite instead of a uart16550.  I have selected console 
support for uartlite.  Any ideas?
I had to modify /etc/inittab on my OpenEmbedded rootfs and replace ttyS0 
with ttyUL0 to get the console working with uartlite on my ML403.
Thanks,
-- Peter
Regards,
Aaron
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