Dear John,
Nice to hear from you. If possible, could you please show me your .mhs file
concerning to the xps_hwicap core? Mine is listed as below:
BEGIN xps_hwicap PARAMETER INSTANCE = xps_hwicap_0 PARAMETER HW_VER = 1.00.a
PARAMETER C_BASEADDR = 0x40200000 PARAMETER C_HIGHADDR = 0x4020FFFF
BUS_INTERFACE SPLB = plb PORT IP2INTC_Irpt = xps_hwicap_0_IP2INTC_IrptEND
The interrupt signal is connected to the interrupt controller.
I suspect that the driver in Linux doesn't support interrupt mode for this
core, since I didn't find interrupt handler registration function in the source
code, like "request_irq", etc..
I will appreciate if you can have some comments to me.
Br
Ming
Subject: RE: Linux driver for Xilinx ICAPDate: Wed, 8 Oct 2008 08:34:28
-0600From: [EMAIL PROTECTED]: [EMAIL PROTECTED]; [EMAIL PROTECTED]: [EMAIL
PROTECTED]
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 MingLiuSent:
Wednesday, October 08, 2008 7:48 AMTo: [EMAIL PROTECTED]: 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. BRMing
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