RE: [partial-reconfig] PlanAhead error in Microblaze-basedpartially reconfigurablesystem

[adarshs@xxxxxxxxxxxxxxxxx]

Hi Mati,

By placing the BM in top level, do you mean that I should change the 
constraint
(.ucf) file? Also can you tell me where the .nmc files need to be placed. I
have tried placing them in different places but with no success.

Thanks,
Adarsha

Quoting Mati Nahshon <mati.nahshon@xxxxxxxxx>:

> Adarsha,
>
> I hope you read all PR documentation and did a tutorial from beginning to
> end.
> (All logic should have an area group and only clk resources Bus macro's and
> IOBs should be on top level.) You should have the socket in an area group
> but the BM outside.
> If this doesn't help try starting with a working example and changing it
> step by step making sure each step compiles and works.  Also try to build a
> non PR version of your design and see that it compiles and runs (this will
> separate PR related problems to non PR related problems.
>
> Good luck,
> Mati
>
> -----Original Message-----
> From: owner-partial-reconfig@xxxxxxxxxxxxxx
> [mailto:owner-partial-reconfig@xxxxxxxxxxxxxx] On Behalf Of
> adarshs@xxxxxxxxxxxxxxxxx
> Sent: Saturday, March 22, 2008 8:43 PM
> To: partial-reconfig@xxxxxxxxxxxxxx
> Subject: RE: [partial-reconfig] PlanAhead error in Microblaze-basedpartially
> reconfigurablesystem
>
> Hi Mati,
>
> Thanks for your reply.
> I am following a design similar to that given for the audio filter for
> virtex 4
> on the xilinx web. The bus macros are placed in an OPB socket. I tried
> placing
> them in the top level too, but ended up with the same error.
>
> Please can you or anyone else give other suggestions.
>
> Thanks,
> Adarsha
>
> Quoting Mati Nahshon <mati.nahshon@xxxxxxxxx>:
>
> > If I am not mistaken your bus macros are not placed on the top level, am I
> > correct?
> > If so, move them to the top outside all the area groups.
> > Mati
> >
> > -----Original Message-----
> > From: owner-partial-reconfig@xxxxxxxxxxxxxx
> > [mailto:owner-partial-reconfig@xxxxxxxxxxxxxx] On Behalf Of
> > adarshs@xxxxxxxxxxxxxxxxx
> > Sent: Friday, March 07, 2008 12:25 AM
> > To: partial-reconfig@xxxxxxxxxxxxxx
> > Subject: [partial-reconfig] PlanAhead error in Microblaze-based partially
> > reconfigurablesystem
> >
> > Hello Everyone,
> >
> > I am developing a system where Microblaze helps to partially reconfigure
> > certain
> > modules on Virtex-5. I have developed the reconfigurable modules as OPB
> > slaves.
> > When I define the static and PR regions in PlanAhead, and try implementing
> > the
> > static portion, I get the following error:
> >
> > ERROR:Map:95 - Every module in the design should have an AREA_GROUP
> > property.
> >    There is no AREA_GROUP property on module root block
> >    opb_socket_bridge_0/opb_socket_bridge_0/Control1_BM
> >
> > It tells me that no AREA_GROUP constraints are provided for the bus
> macros.
> > But
> > Xilinx white papers say that bus macros must not have AREA_GROUP
> > constraints.
> >
> > I would appreciate it if anyone could tell me how to solve this problem.
> >
> > Thank you,
> > Adarsha
> >
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