barebox can update itself by tftp?

barebox can update itself by tftp?

[斗破苍穷]

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On Thu, Jul 28, 2011 at 11:43:30PM +0800, 154554381 wrote:
> can barebox update self by tftp ?
> for example
> tftp barebox.bin /dev/self0
That's exactly the purpose of this device. Like Uwe said, if /dev/self0
is on flash you have to erase it first.
Sascha

 
does barebox have a command to erase /dev/self0, or i have to erase flash by other tools

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Re: barebox can update itself by tftp?

[Eric Bénard]

Hi,

On 29/07/2011 11:35, Sascha Hauer wrote:
> On Fri, Jul 29, 2011 at 05:18:46PM +0800, 斗破苍穷 wrote:
>> does barebox have a command to erase /dev/self0, or i have to erase flash by other tools
>
> The command to erase /dev/self0 is 'erase /dev/self0' ;)
>
> You might have to do a 'unprotect /dev/self0' aswell if your device
> is protected (some NOR flash)
there is also :
update -t barebox
which should do all the operation alone.

Eric

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Re: barebox can update itself by tftp?

[Sascha Hauer]

On Fri, Jul 29, 2011 at 05:18:46PM +0800, 斗破苍穷 wrote:
> does barebox have a command to erase /dev/self0, or i have to erase flash by other tools

The command to erase /dev/self0 is 'erase /dev/self0' ;)

You might have to do a 'unprotect /dev/self0' aswell if your device
is protected (some NOR flash)

Sascha

-- 
Pengutronix e.K.                           |                             |
Industrial Linux Solutions                 | http://www.pengutronix.de/  |
Peiner Str. 6-8, 31137 Hildesheim, Germany | Phone: +49-5121-206917-0    |
Amtsgericht Hildesheim, HRA 2686           | Fax:   +49-5121-206917-5555 |

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Re: barebox can update itself by tftp?

[斗破苍穷]

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does barebox have a command to erase /dev/self0, or i have to erase flash by other tools
 
 
------------------ Original ------------------
From: "Sascha Hauer"; 
Date: 2011年7月29日(星期五) 下午3:34
To: "154554381"<154554381@qq.com>; 
Cc: "barebox"; 
Subject: Re: barebox can update itself by tftp?

 
On Thu, Jul 28, 2011 at 11:43:30PM +0800, 154554381 wrote:
> can barebox update self by tftp ?
> for example
> tftp barebox.bin /dev/self0
That's exactly the purpose of this device. Like Uwe said, if /dev/self0
is on flash you have to erase it first.
Sascha
-- 
Pengutronix e.K.                           |                             |
Industrial Linux Solutions                 | http://www.pengutronix.de/  |
Peiner Str. 6-8, 31137 Hildesheim, Germany | Phone: +49-5121-206917-0    |
Amtsgericht Hildesheim, HRA 2686           | Fax:   +49-5121-206917-5555 |

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Re: barebox can update itself by tftp?

[Sascha Hauer]

On Thu, Jul 28, 2011 at 11:43:30PM +0800, 154554381 wrote:
> can barebox update self by tftp ?
> for example
> tftp barebox.bin /dev/self0

That's exactly the purpose of this device. Like Uwe said, if /dev/self0
is on flash you have to erase it first.

Sascha


-- 
Pengutronix e.K.                           |                             |
Industrial Linux Solutions                 | http://www.pengutronix.de/  |
Peiner Str. 6-8, 31137 Hildesheim, Germany | Phone: +49-5121-206917-0    |
Amtsgericht Hildesheim, HRA 2686           | Fax:   +49-5121-206917-5555 |

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Re: barebox can update itself by tftp?

[Uwe Kleine-König]

On Thu, Jul 28, 2011 at 11:43:30PM +0800, 154554381 wrote:
> can barebox update self by tftp ?
> for example
> tftp barebox.bin /dev/self0
This should work, you might have to erase /dev/self0 first though. You
can even test without writing to flash by adding a partitioning to
/dev/ram, tftp into a partition and then go $startaddressofpartition.

Best regards
Uwe

-- 
Pengutronix e.K.                           | Uwe Kleine-König            |
Industrial Linux Solutions                 | http://www.pengutronix.de/  |

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barebox can update itself by tftp?

[154554381]

can barebox update self by tftp ?
for example
tftp barebox.bin /dev/self0

2011-07-28 



154554381 


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