RE: [microblaze-uclinux] using icap driver

["LEROY Jean-Loup" <jean-loup.leroy@xxxxxx>]

Thanks a lot. We've made the modification in the driver to support Virtex 4 devices. I've already read your paper about your icap driver. I'm going to add the node in the kernel and try again.

Regards,

Jean-Loup

> -----Message d'origine-----
> De : owner-microblaze-uclinux@xxxxxxxxxxxxxx [mailto:owner-microblaze-
> uclinux@xxxxxxxxxxxxxx] De la part de John Williams
> Envoyé : jeudi 12 avril 2007 13:44
> À : microblaze-uclinux@xxxxxxxxxxxxxx
> Objet : Re: [microblaze-uclinux] using icap driver
> 
> LEROY Jean-Loup wrote:
> 
> > I add J.W's Icap driver to the petalinux kernel. I successfully build
> > the kernel and then download it to my ML402 board.
> >
> > Then, what do I have to do? Do I have to load hwicap module with insmod
> > command or something else?
> >
> > I can't see /dev/icap node.
> 
> cat /proc/devices - or /proc/misc - it will tell you the major/minor
> number of the icap driver.  Or, look in the driver source itself.
> 
> Then edit the file
> 
> software/petalinux-dist/vendors/PetaLogix/common/common.mak
> 
> and add a device node in the manner similar to the other ones there
> 
> it will be something like
> 
> DEVICES +=      icap,c,MAJ,MIN
> 
> replacing MAJ/MIN with the correct major and minor numbers respectively.
> 
> Rebuild the romfs and image targets, and now your system will boot with
> a dev node for the icap.
> 
> Be aware that the ICAP has changed with the V4 FPGA family - I have no
> idea if the driver will still work.  You should subscribe to the
> partial-reconfig list (same server, just a different list), and ask there.
> 
> I no longer use the driver, but I believe some people on the
> partial-reconfig list are.
> 
> If you haven't already, you should read the paper I wrote about the
> driver, it will give you a lot more info (reprinted at linuxdevices.com
> a couple of years ago):
> 
> http://linuxdevices.com/articles/AT7708331794.html
> 
> Regards,
> 
> John
> 
> 
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