Using older barebox (>2012.04) to load new barebox?

Using older barebox (>2012.04) to load new barebox?

[Adam Furmanczuk]

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Hi all,

on my ICnova mx53 so dimm board I am currently bound to barebox
version 2012.03.0-00162. There is no "global" and no "go" procedure,
that help me in current barebox release.

Runing "bootm /mnt/barebox.bin"
where barebox.bin is the compiled 2013.05 or 2013.06 version does not
work, output: "Unknown OS type"..

There is however the "bootsrc" variable, how can I find more variables?
For example eth0 exists, and devinfo eth0 gives me network configuration

I wanted to somehow "chainload" one barebox into the other. How can I
achieve that? Flashing is currently no option, I have too little
experience with openocd.

Greetings,

Adam
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Re: Using older barebox (>2012.04) to load new barebox?

[Sascha Hauer]

On Thu, Jul 04, 2013 at 03:40:48PM +0200, Adam Furmanczuk wrote:
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> Hash: SHA1
> 
> Hi all,
> 
> on my ICnova mx53 so dimm board I am currently bound to barebox
> version 2012.03.0-00162. There is no "global" and no "go" procedure,
> that help me in current barebox release.
> 
> Runing "bootm /mnt/barebox.bin"
> where barebox.bin is the compiled 2013.05 or 2013.06 version does not
> work, output: "Unknown OS type"..
> 
> There is however the "bootsrc" variable, how can I find more variables?
> For example eth0 exists, and devinfo eth0 gives me network configuration
> 
> I wanted to somehow "chainload" one barebox into the other. How can I
> achieve that? Flashing is currently no option, I have too little
> experience with openocd.

Looking at the datasheet there is pin 8 connected with BOOT_MODE[0|1].
This maybe allows you to use USB update mode. Try pulling this pin up.
Try connecting the USB OTG port to a PC, powercycle the board and do a
lsusb. DO you see something with 'Freescale' in the list?

Sascha

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