Re: [partial-reconfig] Problem on HwICAP

[Lu Yi <yilu@xxxxxxxxxxxxxxxxxxxxx>]

Hi,

Do you use the ICAP module 1.00.b?

R.
luyi
> Dear All,
>
> I am trying to perform a partial reconfiguration on a Virtex 4 (ML402)
> using
> Microblaze and HwICAP. I'm using ISE+EDK 9.1.02 with EAPR10.
>
> After initializing without errors the HwICAP, I am trying to read the
> partial bitstream from the Compact Flash using XHwICAP_CF2ICap function
> but
> it does not work since the program on the Microblaze freezes and the ERROR
> led on the board is switched on. It seems that the XHwICAP_CF2ICap
> function
> sticks when accessing the file through the function SYSACE_fopen.
>
> I tried to create again the partial bitstream but the problem persists and
> I
> also tested the bitstreams programming the device through JTAG and it
> works
> fine.
>
>
> ADDITIONAL INFORMATION: I am loading the full design from the compact
> flash,
> so the configuration bits are configured to 111. The full bitstream is
> loaded without any problem.
>
> I run the hwicap_init_test( ) function and the output was:
>
>
>  ICAP Base Addr: 40200000
> -- Reading ICAP Status
>
>  Status: 1
> HWICAP Status Register:
>    cfgerr_n: 0
>    dalign: 0
>    rip: 0
>    in_abort_n: 0
>    Always 1: 0
>    Always 1: 0
>    Always 1: 0
>    Always 1: 0
>    Done: 1
> -- Reading Device IDCODE through ICAP:
> Creating cmd bitstream...
> Sending cmd bitstream to ICAP...
> Reading from ICAP...
> Device IDCODE is: 0
> -- Reading Device IDCODE through ICAP:
> Creating cmd bitstream...
> Sending cmd bitstream to ICAP...
> Reading from ICAP...
> Device IDCODE is: 42088093
>
>
>
> But if I run the test again this was the result:
>
> -- ICAP Base Addr: 40200000
> Device is already initialized.-- ICAP Base Addr: 40200000
> -- Reading ICAP Status
>
>  Status: 447
> HWICAP Status Register:
>    cfgerr_n: 1
>    dalign: 1
>    rip: 0
>    in_abort_n: 1
>    Always 1: 1
>    Always 1: 1
>    Always 1: 1
>    Always 1: 1
>    Done: 1
> -- Reading Device IDCODE through ICAP:
> Creating cmd bitstream...
> Sending cmd bitstream to ICAP...
> Reading from ICAP...
> Device IDCODE is: 42088093
> -- Reading Device IDCODE through ICAP:
> Creating cmd bitstream...
> Sending cmd bitstream to ICAP...
> Reading from ICAP...
> Device IDCODE is: 42088093
>
>
> I'd appreciate any help.
>
> Thank you
>
>
> Paolo Furia
>

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