Re: [partial-reconfig] SYSACE problems on ML402

[Lu Yi <yilu@xxxxxxxxxxxxxxxxxxxxx>]

As far as I know, for the Virtex4 FX, the ICAP_X0Y1 should be used,
otherwise when you do the ICAP test function, some "always 1" signals will
return '0' to you (means it does not work???).

So use the FPGA_editor to see if you use the right ICAP.
And you can use such constraint in the UCF file to locate your the ICAP:

INST
"my_system/system_i/opb_hwicap_0/opb_hwicap_0/HWICAP_CTRL_I/GEN_ICAP_VIRTEX4.ICAP_VERTEX4_I"
LOC = "ICAP_X0Y1";

regards,
luyi

> How can i know if I'm using the correct ICAP? I put "CONFIG PROHIBIT =
> ICAP_X0Y0;" in the UCF file (as in the Xilinx examples). Is it correct?
>
> Regards,
> Paolo Furia
>
>
> 2008/8/27 Lu Yi <yilu@xxxxxxxxxxxxxxxxxxxxx>
>
>> Could you try the ICAP module 1.00.b, the driver is fine, and make sure
>> the ICAP you use is ICAP_X0Y1
>>
>> regards,
>> luyi
>>
>> > I'm using EDK 9.1.02. ICAP module is opb_hwicap 1.10.a and the driver
>> is
>> > 1.00.c.
>> > I tried that function but it doesn't work.
>> >
>> > Regards,
>> > Paolo Furia
>> >
>> >
>> > 2008/8/27 Lu Yi <yilu@xxxxxxxxxxxxxxxxxxxxx>
>> >
>> >> Hi, Paolo,
>> >>
>> >> I am using the EDK8.2.02 to build the main system, my board is ML410,
>> >> the
>> >> partial reconfiguration by using CF as the bitstream storage is fine.
>> I
>> >> just use XHwIcap_CF2Icap(&MyIcap, "my.bit") to load the new partial
>> >> bitstream, it works fine.
>> >>
>> >> Which version of your EDK? Which version of your ICAP module and the
>> >> ICAP
>> >> driver?
>> >>
>> >> regards,
>> >> luyi
>> >>
>> >> > Hi all,
>> >> > I'm working on a dynamically reconfigurable project on ML402
>> (virtex-4
>> >> > sx35) and, for this, I have to load partial bitstreams from a
>> Compact
>> >> > Flash. I successfully generated a system.ace file that works fine
>> and
>> >> > configure my fpga at turn on. The problems come when I try to load
>> a
>> >> > partial bitstream stored on the CF: it always isn't possible and
>> the
>> >> > error led turn on.
>> >> > I mainly use sysace_fopen and sysace_fread functions (I also tried
>> >> using
>> >> > directly the function XHwIcap_CF2Icap provided by Xilinx in his
>> >> examples);
>> >> > only reading 2048 bytes it seems to read something, but not all.
>> >> > I tried to open and read an image .bmp, using sysace_fopen and
>> >> > sysace_fread, and it works. The problem comes with bitstreams
>> >> > (both .bit and .bin).
>> >> > I have this problem both in my reconfigurable system and in a
>> normal
>> >> > system based on MicroBlaze.
>> >> >
>> >> > Have you any suggestion? Has anyone successfully reconfigured
>> virtex-4
>> >> > devices using a bitstream stored on a CF? I would be grateful for
>> your
>> >> > help.
>> >> >
>> >> >
>> >> > Paolo Furia
>> >> >
>> >>
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>> >>
>> >
>>
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>

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