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From: Grant Likely <grant.likely@secretlab.ca>
Date: Mon, 13 Jul 2009 10:01:57 -0600
Message-ID: <fa686aa40907130901r181fea87k3f8da151a50edb75@mail.gmail.com>
Subject: Re: Soft Reset for PPC44x Virtex 5 hangs saying Restarting System
To: srikanth krishnakar <skrishnakar@gmail.com>
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On Mon, Jul 13, 2009 at 9:39 AM, srikanth
krishnakar<skrishnakar@gmail.com> wrote:
>
>
> On Mon, Jul 13, 2009 at 8:32 PM, Grant Likely <grant.likely@secretlab.ca>
> wrote:
>>
>> On Mon, Jul 13, 2009 at 1:16 AM, srikanth
>> krishnakar<skrishnakar@gmail.com> wrote:
>> > Hi all,
>> >
>> > Kernel : Linux-2.6.29
>> > Arch: Powerpc (ppc44x)
>> > Target: Xilinx ML507 Virtex5
>> >
>> > I have an issue in "Reset System" of Xilinx ML507 target board. I am
>> > using
>> > Compact Flash to boot the target ( using system ACE file to boot the
>> > target), during the process reset or reboot command on the target, I a=
m
>> > not
>> > able to reboot the target completely, here is the snapshot:
>>
>> Where is your boot code located? =A0In BRAM? =A0or SDRAM?
>
> It is located in BRAM.
>

Then most likely the process of booting modifies the initial data in
BRAM such that it will not be able to reboot the system.

> How can I reboot the system, while resetting the FPGA core completely ?

To reset and reconfigure the FPGA, you need to modify the systemace
driver to provide a system reset routine.  See the systemace user
manual for details on how to do this.

g.

--=20
Grant Likely, B.Sc., P.Eng.
Secret Lab Technologies Ltd.