Re: [fedora-arm] Bad image/instructions? - Re: Problems with a pogoplug v02

[Sean Omalley]

The uboot from doozan is nice because it doesnt overwrite the original pogoplug software. 
You can also use the debian stuff fromi think  ~tbw ( the ns2)..  Compiling from head
works but you need a jtag in case you screw up.  I used another plug so I skipped the
xcompile.  It works fine. The biggest issue was I ran out of space on the uboot partition
when i started adding stuff like ext4 support. I got bombed with RL so that is where i
paused. But changing the partition addresses are in the uboot config files.

I was using the gurplug jtag and it works but you need to mod the openocd configs and
recompile it with the ftdi drivers and make a cable. The buspirate jtag is supposed to
work too.  

Theoretically you can use a serial cable instead of a jtag, but it doesnt actually work.
The jtag works. 

----- Reply message -----
From: "Scott Sullivan" <scott(a)ss.org&gt;
To: <arm(a)lists.fedoraproject.org&gt;
Subject: [fedora-arm] Bad image/instructions? - Re: Problems with a pogoplug v02
Date: Thu, Apr 18, 2013 5:59 pm


On 04/18/2013 04:54 PM, Robert Moskowitz wrote:
>  Now there is a warning NOT to use the fw_setenv that comes in Fedora, as
>  that would brick the pogo.  I am assuming that unless I change these
>  options I will always have this netconsole?  That the boot instructions
>  to boot off the usb will not change that?  If so how might I change what
>  addresses used for the netconsole now? 
So at the moment I can't find the information on doozan.com, but it is 
there. For some reason cloud engines used a custom CRC algorithm to 
verify the integrity of the uboot environment variables. This has not 
been up streamed and is not in the version of uboot-utils that is 
shipped with fedora. The update uboot provided by doozan.com keeps this 
CRC method intact, I believe as a compatibility reason.

This is 6 month old memory though. I just know that at the time I took 
this very seriously and put the warning in the Fedora PogoPlug docs.

-- 
Scott Sullivan
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