[yocto] Fedora 18 CentOS 6.4 yocto difference zc702

[Edward Vidal]

Hello,

*Where do you find the boot.scr or uEnv.txt for the zc702?
*




On Wed, Jul 3, 2013 at 1:35 PM, Elvis Dowson <elvis.dowson at gmail.com> wrote:

> Hi Edward,
>
> On Jul 3, 2013, at 11:05 PM, Edward Vidal <vidal.develone at gmail.com>
> wrote:
>
> Hello,
> I recently built core-image-minimal for zc702.
> This generated a file with a  dtb extension that I have not seen before
> uImage--3.8-xilinx+git0+6a0bedad60-r1-zynq-zc702-20130703173428.dtb.  Can
> anyone tell me more about the this extension.
>
>
> The *.dts and *.dtb files are related to the device tree source and binary
> formats. When you work with a hardware project using the Xilinx ISE
> 14.6/Vivado 2013.2 tools, a dts file will be create. This contains the base
> address and other parameters for each device peripheral, e.g. serial ports,
> video controller, etc.
>
> The yocto build system takes these files and generates the required *.dtb
> file.
>
> Please refer the Zynq Base TRD 14.6 document, (you can quickly scan
> through the document and fast forward to section 8.2, for building a dtb
> file from a dts file)
>
> http://www.wiki.xilinx.com/Zynq+Base+TRD+14.6-beta
>
> Where do you find the boot.scr or uEnv.txt for the zc702?   I built this
> on both a CentOS 6.4 and a Fedora18 x86_64 system.
>
> meta-yocto        = "(nobranch):04af378874f38d1200bea2fa191beeae94232d6e"
> meta-xilinx
> meta-kc705
> meta-zc702
> meta-zedboard     = "(nobranch):b065f091f10060f2bb68b58f1d618e26a966fee2"
> meta-yocto-bsp    = "(nobranch):04af378874f38d1200bea2fa191beeae94232d6e"
>
> The latest version of poky that I downloaded
> commit 8a186a6b3853fc1a7dcf342d421c8926c38949c9
> Author: Cristiana Voicu <cristiana.voicu at intel.com>
> Date:   Mon Jul 1 08:09:52 2013 +0000
>
>     bitbake: hob: save button from settings called a nonexisting method
>
>     The method was removed when the process for saving configuration
>     in Hob was changed. Replace the call with the right function.
>
>     [YOCTO #4793]
>     (Bitbake rev: b6aa2b63d71cbe82850a375381b2dbc750cf1905)
>
>     Signed-off-by: Cristiana Voicu <cristiana.voicu at intel.com>
>     Signed-off-by: Richard Purdie <richard.purdie at linuxfoundation.org>
>
> causes the following error on both CentOS 6.4 and Fedora 18
> . oe-init-build-env
>
> BitBake requires Python 2.7.3 or later
> CentOS 6.4 has a non standard location of python.  Does anyone know how to
> tell bitbake of the non standard location of python.
>
> This latest version of poky that I downloaded on fedora18
> causes the following error.
>  MACHINE=zc702 bitbake core-image-minimal -vDD
> ERROR:  OE-core's config sanity checker detected a potential
> misconfiguration.
>     Either fix the cause of this error or at your own risk disable the
> checker (see sanity.conf).
>     Following is the list of potential problems / advisories:
>
>     Your version of make 3.82 is broken. Please revert to 3.81 or install
> a patched version.
>
> ERROR: Execution of event handler 'check_sanity_eventhandler' failed
>
> This version of poky and meta-xilinx worked okay.
>
> meta
> meta-yocto        = "(nobranch):04af378874f38d1200bea2fa191beeae94232d6e"
> meta-xilinx
> meta-kc705
> meta-zc702
> meta-zedboard     = "(nobranch):b065f091f10060f2bb68b58f1d618e26a966fee2"
> meta-yocto-bsp    = "(nobranch):04af378874f38d1200bea2fa191beeae94232d6e"
>
> MACHINE=zc702 bitbake core-image-minimal -vDD
>
> NOTE: Tasks Summary: Attempted 1530 tasks of which 306 didn't need to be
> rerun and all succeeded.
> We are trying to determine which board to purchase the
> Xilinx Zynq-7000 SoC ZC702 Evaluation Kit
> EK-Z7-ZC702-G
> $895.00 or
> AES-Z7EV-7Z020-G
> ZEDBOARD ZYNQ BOARD
> AES-Z7EV-7Z020-G
> ECCN
> Avnet Design Services - Custom
> $395.00
> Does anyone have any experience with either of these boards?
>
>
> From a support standpoint, both the ZC702 and Zedboard are supported
> really well. You will find that most of the Xilinx reference design and
> application notes usually always target the ZC702. If you get a Zedboard
> you'll need to take the extra effort to adapt the pin constraints file.
> Also the ZC702 has two FMC LPC connectors rather than 1 FMC LPC connector,
> if that's more important for you.
>
> My recommendation would be to go in for the ZC702 or the ZC706 if you need
> more logic density.
>
> Best regards,
>
> Elvis Dowson
>
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