[U-Boot] SPI and I2C EEPROM

Aaron Williams Aaron.Williams at caviumnetworks.com
Tue Nov 19 05:23:55 CET 2013


Never mind about the multiple devices, it looks like that is supported. 
My problem is still that only either I2C or SPI are supported and not both.

-Aaron

On 11/18/2013 08:18 PM, Aaron Williams wrote:
> Hi all,
>
> On one of our new boards we have both a SPI (M9256-W) and I2C 
> (24lc256) EEPROM. I have run into a couple of issues. First of all, it 
> looks like the eeprom command can only handle one EEPROM device. It 
> would be useful if multiple devices could be supported.
>
> Another issue I ran into is that the M95XXX driver is hard coded to 
> use CS1.
>
> Perhaps the eeprom command could be enhanced to specify whether the 
> device should be spi or i2c rather than hard coded as well as support 
> multiple devices?
>
> -Aaron
>

-- 
Aaron Williams
Software Engineer
Cavium, Inc.
(408) 943-7198  (510) 789-8988 (cell)



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