[rescue] Loading FCode via RARPD/TFTP

Malte Dehling mdehling at gmail.com
Tue Jun 22 07:20:41 CDT 2021


Hi,

I've been playing with my TurboGX+ card's FCode to get it to use
different timings and higher resolutions.  So far I used a serial
connection to load the FCode, now I thought I could load it over the
network and automate the process by placing the relevant lines in
nvramrc.  The TGX+ is in sbus slot 0 and I removed it from the
probe-sbus-list; the contents of my nvramrc is as follows:

probe-all
4000 dload tgx+.fcode
0 0 " 0,0" " /iommu/sbus" begin-package
4000 1 byte-load
end-package

This just gives me "Ethernet chip initilalization failed Can't open boot
device".

The same lines (minus the probe-all) work fine when executed manually
from the ok prompt.  I assume that at the time the nvramrc contents is
executed the network device has not been fully initialized yet.

Any ideas on how to get this to work or what could be the problem?

Cheers,
Malte

-- 
Malte Dehling
<mdehling at gmail.com>


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