Hi Ming,

 

I’m copying our local expert on this core to see his thoughts as I don’t 
actively use this core myself.

 

Thanks,

John

 

________________________________

From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of MingLiu
Sent: Wednesday, October 08, 2008 7:48 AM
To: linuxppc-embedded@ozlabs.org
Subject: Linux driver for Xilinx ICAP

 

Dear all,
Has someone manage to use the driver for the Xilinx xps_hwicap core to 
reconfigure bitstreams? I have enabled the driver in Linux configuration 
(version 2.6.24 from Xilinx tree). However I failed to use it to reconfigure 
bitstreams. The operations are listed as follows:
 
# cp partial.bit /dev/icap0
#
 
No error information is shown, however the partial bitstream is not 
successfully configured. I checked /proc/devices and the device "icap" has been 
successfully registered with the major of 259. But in /proc/interrupts, I 
didn't find any matching entry of the interrupt for icap core. I tried to 
reconfigure the PR module with JTAG, and my design works well. 
 
Any hints for this problem? Is the problem on the interrupt? Thanks so much if 
someone can help me. 
 
BR
Ming

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