more questions about 8xx microcode patches

David Ho DavidHo at
Wed Jul 28 21:21:10 EST 2004

owner-linuxppc-embedded at wrote on 07/27/2004 06:30:28 PM:

> Just to add to the complexity: are you aware that the  parameter  RAM
> relocation  may  be  different between 8xx processors? For example it
> seems that on the 866 family  you  can  relocate  PRAM  even  without
> loading any uCode by just writing the correct offset to (for example)
> the spi_rpbase register.

I just had a conversation with Wolfgang on the 866 uCode patch situation.
It appears that the I2C/SPI patch is already incorporated in this silicon
rev.  Please look at the follow post for detail of my findings.

Hope this help you along the way.  Or it might not.


David Ho
Nanometrics Inc.

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