[U-Boot-Users] Intel LXT971A PHY support

[Wolfgang Denk]

In message <29390.24.206.119.111.1073890780.squirrel at www.orkun.us> you wrote:
> 
> Anyway, CSB272 board has Intel LXT971A PHY. I could not get this PHY
> working initially. After investigation I have found:
> 
> 1) LXT971A requires some recovery time (~300usec) before any register
> access after reset. This is documented in the datasheet on page 70, table
> 40.
> 
> 2) LXT971A requires some time after command is issued before polling
> EMAC_STACR_OC is valid. I am not sure why this is needed but it is needed
> for this particular PHY or otherwise it does not work. I have found this
> to be minimum 32usec. I used 40usec for some safety margin.
> 
> Thus, to get it working I had to patch two shared files:

Patches added, thanks.

Best regards,

Wolfgang Denk

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