Re: [U-Boot-Users] Intel LXT971A PHY support

In message 29390.24.206.119.111.1073890780.squirrel@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