[PATCH] powerpc/85xx: clean up FPGA device tree nodes for Freecsale QorIQ boards

Kumar Gala kumar.gala at freescale.com
Wed Aug 31 12:54:05 EST 2011


On Aug 30, 2011, at 9:51 PM, Tabi Timur-B04825 wrote:

> Kumar Gala wrote:
>> Do we really want the generic "fsl,fpga-cpld"&  "fsl,fpga-pixis"?  This seems to vague.
> 
> Yes, the PIXIS is generally register compatible across all boards.  There 
> may be some minor differences, but the OCM driver can work with all PIXIS 
> boards that have an PIXIS.

Is this true?  Don't we have pixis and ngpixis in u-boot?

>> Also you need "pixis" on MPC8544DS, MPC8572DS, MPC8536DS.
> 
> Ok.
> 
>> Also fpga-cpld makes no sense if we keep this.  You are either a CPLD or FPGA not both.
> 
> Then I don't understand what the CPLD is.

http://en.wikipedia.org/wiki/Complex_programmable_logic_device

- k


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