Linux issues on Xilinx XUPV2P board
John Linn
John.Linn at xilinx.com
Sat Aug 16 00:53:26 EST 2008
Ah I see, sorry about that, misunderstood what was needed.
So there may be other ways as I'm not a Git expert, but I clone the
repository, then reset to the a Git tag.
> git reset --hard <tag name>
We're working on a new frame buffer driver for a new core, but the old
frame buffer has not been high priority for us.
Thanks,
John
> -----Original Message-----
> From: Alan Casey [mailto:alan.casey5 at mail.dcu.ie]
> Sent: Friday, August 15, 2008 8:36 AM
> To: John Linn; wangyanlong; linuxppc-embedded at ozlabs.org
> Subject: RE: Linux issues on Xilinx XUPV2P board
>
> Hi John,
>
> Im not having any problems using GIT. I can download
> 2.6.26 using git no problem - i think wangyanlong
> would like to use 2.6.24 or 2.6.26 and he has problems
> downloading it using git - hence i replied to him that
> he may find more info about how to download the current
> or previous version on git.xilinx.com. I think you misread
> my email.
>
> The Xilinx Framebuffer driver works fine in Linux 2.6.24
> but there appears to be a problem with one of the Linux-2.6.26
> versions which i posted about a few weeks/months ago.
>
> Alan.
>
> >-- Original Message --
> >Subject: RE: Linux issues on Xilinx XUPV2P board
> >Date: Fri, 15 Aug 2008 08:30:25 -0600
> >From: John Linn <John.Linn at xilinx.com>
> >To: <alan.casey5 at mail.dcu.ie>,
> > "wangyanlong" <killyouatonce at gmail.com>,
> > <linuxppc-embedded at ozlabs.org>
> >
> >
> >Hi Alan,
> >
> >I'm assuming you must not have Git installed from the question,
> >otherwise you would be using git clone as the site shows.
> >
> >On the http://git.xilinx.com, it says the following,
> >
> >Users without Git installed may create a tar file by using
> the snapshot
> >feature. Select the tree view of the repository (far right
> side) on this
> >page, then select snapshot (near the top) and a gziped tar
> file will be
> >created and downloaded.
> >
> >Is this what you're looking for?
> >
> >-- John
> >
> >> -----Original Message-----
> >> From:
> >> linuxppc-embedded-bounces+john.linn=xilinx.com at ozlabs.org
> >> [mailto:linuxppc-embedded-bounces+john.linn=xilinx.com at ozlabs.
> >> org] On Behalf Of Alan Casey
> >> Sent: Friday, August 15, 2008 6:34 AM
> >> To: wangyanlong; linuxppc-embedded at ozlabs.org
> >> Subject: Re: Linux issues on Xilinx XUPV2P board
> >>
> >> Hi,
> >>
> >> I used version 2.6.24. Current version is 2.6.26+ but im
> >> not sure how to download previous versions from the git
> >> tree, there should be some info at http://git.xilinx.com
> >> about how to do this.
> >>
> >> Regards,
> >> Alan.
> >>
> >> >-- Original Message --
> >> >Date: Fri, 15 Aug 2008 04:35:01 -0700 (PDT)
> >> >From: wangyanlong <killyouatonce at gmail.com>
> >> >To: linuxppc-embedded at ozlabs.org
> >> >Subject: Re: Linux issues on Xilinx XUPV2P board
> >> >
> >> >
> >> >
> >> >Hi Alan
> >> > I dow load the kernel from "
> >> >http://git.xilinx.com/cgi-bin/gitweb.cgi?p=linux-2.6-xlnx.git
> >> ;a=summary
> >> "
> >> >
> >> >Merge ../../linux-2.6 into 2.6.26-merge master commit |
> >> commitdiff | tree
> >> >| snapshot
> >> >
> >> >this version ,but it not work well,which version you downloaded?
> >> >
> >> >Many thanks
> >> >yanlong
> >> >
> >> >
> >> >Alan Casey wrote:
> >> >>
> >> >> Hi,
> >> >>
> >> >> Yes i had a problem with using one of the Linux 2.6.26
> >> >> kernel versions on the XUPV2P board where the VGA
> >> >> display has not driven correctly, not sure why.
> >> >> The Linux 2.6.24 kernel from git.xilinx.com works fine.
> >> >>
> >> >> Regards,
> >> >> Alan.
> >> >>
> >> >>
> >> >>>-- Original Message --
> >> >>>Date: Fri, 15 Aug 2008 01:43:37 -0700 (PDT)
> >> >>>From: wangyanlong <killyouatonce at gmail.com>
> >> >>>To: linuxppc-embedded at ozlabs.org
> >> >>>Subject: Re: Linux issues on Xilinx XUPV2P board
> >> >>>
> >> >>>
> >> >>>
> >> >>>I meet the problem as yours . And my vga's display is not
> >> clear , have
> >> >> you
> >> >>>meet this?
> >> >>>
> >> >>>Alan Casey wrote:
> >> >>>>
> >> >>>> Hi,
> >> >>>>
> >> >>>> I have tried running the Linux 2.6.24 and Linux 2.6.26
> >> kernels from
> >> >>
> >> >>>
> >> >>>> git.xilinx.com on the Xilinx XUPV2P board but have run
> >> into a few
> >> >>>> problems.
> >> >>>>
> >> >>>> Cross-compiler i use to compile applications was built using
> >> >>>> Crosstools
> >> >>>> and
> >> >>>> based on gcc 3.3.4. I use Xilinx EDK 7.1 for
> >> integrating hardware
> >> >>>> peripherals
> >> >>>> onto the board.
> >> >>>>
> >> >>>> The problems i've seen are:
> >> >>>>
> >> >>>> (i) gettimeofday software function returns time of 0
> >> all the time.
> >> >>>>
> >> >>>> (ii) The Linux 2.6.24 kernel's Xilinx Framebuffer
> >> driver and/or the
> >> >>>> Xilinx
> >> >>>>
> >> >>>> PLB TFT Controller IP block
> >> (plb_tft_cntlr_ref_v1_00_d) does
> >> not
> >> >>>> appear
> >> >>>>
> >> >>>> to centre the display on a VGA screen
> properly(vertically
> >> >>>> offset).
> >> >>>>
> >> >>>> (iii) 64-bit write/read access to peripheral
> >> integrated onto the
> >> >>>> Xilinx
> >> >>>>
> >> >>>> Virtex-II Pro FPGA either causes a system crash
> >> or only lower
> >> >> part
> >> >>>>
> >> >>>> of 32-bit data to be written (i.e. lower part of
> >> 64-bit data
> >> >>>> appears
> >> >>>> to be mirrored on the upper and lower 32-bits of
> >> the system
> >> >>>> bus).
> >> >>>> However, 32-bit write/read access to the
> >> peripheral passes as
> >> >> well
> >> >>>> as 64-bit write/read access to the SDRAM memory
> >> address space.
> >> >>>> Peripheral interface has been verified to be IBM
> >> PLB compliant
> >> >>>
> >> >>>> via IBM bus functional model simulations.
> >> >>>>
> >> >>>> (iv) The Linux 2.6.26 Xilinx Framebuffer driver on
> >> the Xilinx XUPV2P
> >> >>>> board
> >> >>>>
> >> >>>> does not appear to be working - nothing displayed to
> >> >>>> screen/console
> >> >>>>
> >> >>>> not switching to framebuffer device on bootup.
> >> >>>>
> >> >>>> Just wondering if anybody has seen these issues
> >> before and know how
> >> >>>to
> >> >>>> resolve them?
> >> >>>>
> >> >>>> Any info. appreciated,
> >> >>>> Regards,
> >> >>>> Alan.
> >> >>>>
> >> >>>>
> >> >>>>
> >> >>>>
> >> >>>> _______________________________________________
> >> >>>> Linuxppc-embedded mailing list
> >> >>>> Linuxppc-embedded at ozlabs.org
> >> >>>> https://ozlabs.org/mailman/listinfo/linuxppc-embedded
> >> >>>>
> >> >>>>
> >> >>>
> >> >>>--
> >> >>>View this message in context:
> >> >http://www.nabble.com/Linux-issues-on-Xilinx-XUPV2P-board-tp1
> >> 8262250p18995644.html
> >> >>>Sent from the linuxppc-embedded mailing list archive at
> Nabble.com.
> >> >>>
> >> >>>_______________________________________________
> >> >>>Linuxppc-embedded mailing list
> >> >>>Linuxppc-embedded at ozlabs.org
> >> >>>https://ozlabs.org/mailman/listinfo/linuxppc-embedded
> >> >>
> >> >>
> >> >> _______________________________________________
> >> >> Linuxppc-embedded mailing list
> >> >> Linuxppc-embedded at ozlabs.org
> >> >> https://ozlabs.org/mailman/listinfo/linuxppc-embedded
> >> >>
> >> >>
> >> >
> >> >--
> >> >View this message in context:
> >> http://www.nabble.com/Linux-issues-on-Xilinx-XUPV2P-board-tp18
> >> 262250p18997255.html
> >> >Sent from the linuxppc-embedded mailing list archive at
> Nabble.com.
> >> >
> >> >_______________________________________________
> >> >Linuxppc-embedded mailing list
> >> >Linuxppc-embedded at ozlabs.org
> >> >https://ozlabs.org/mailman/listinfo/linuxppc-embedded
> >>
> >>
> >> _______________________________________________
> >> Linuxppc-embedded mailing list
> >> Linuxppc-embedded at ozlabs.org
> >> https://ozlabs.org/mailman/listinfo/linuxppc-embedded
> >>
> >>
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