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From: Ben Warren <biggerbadderben@gmail.com>
To: u-boot@lists.denx.de
Subject: [U-Boot] [PATCH v2 13/16] I2C: adding new "i2c bus" Command to the I2C Subsystem.
Date: Thu, 16 Oct 2008 10:06:02 -0700	[thread overview]
Message-ID: <48F7747A.30902@gmail.com> (raw)
In-Reply-To: <48F75874.1030608@denx.de>

Hi Heiko,

Heiko Schocher wrote:
> Hello Ben,
>
> Ben Warren wrote:
>   
>> Heiko Schocher wrote:
>>     
>>> With this Command it is possible to add new I2C Busses,
>>> which are behind 1 .. n I2C Muxes. Details see README.
>>>   
>>>       
>> While this is pretty cool, I'm curious what circumstances lead to
>> needing to add I2C buses at run-time via command line.  Presumably you
>> have a real business need for this in a bootloader?
>>     
>
> Yes. This boardmanufacturer has a lot of hardwareversions with
> different I2C bus wirings, but has for example always one EEProm
> with configdata. Now, he can use one u-boot image for all this
> boards and has just to define in the environment, in which way
> he can reach this EEprom.
>
> bye
> Heiko
>   
Interesting.  Thank you.

regards,
Ben

      reply	other threads:[~2008-10-16 17:06 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2008-10-15  7:39 [U-Boot] [PATCH v2 13/16] I2C: adding new "i2c bus" Command to the I2C Subsystem Heiko Schocher
2008-10-15 16:33 ` Ben Warren
2008-10-16 15:06   ` Heiko Schocher
2008-10-16 17:06     ` Ben Warren [this message]

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