Re: Freescale imx beta/release sd burning questions

[tom campbell <content@DinkumSoftware.com>]

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Thanks all.
That cleared up my confusion and works.
tom campbell

On 05/22/2014 11:51 AM, David Sowa wrote:
> Tom,
>
> The .sdcard file produced by the bitbake process has the partition 
> information baked in already so you want to write it to the raw sd 
> card device.
>
> On my particular system I write the files to /dev/sdX not to 
> /dev/sdX1.  The exact letter your sd card shows up as will depend on 
> what other devices are present in your system.
>
> On my Ubuntu dev system when I insert the sd card the system 
> automounts the existing partitions so I always need to umount the 
> partitions before I can write to the raw device.  So the whole process 
> looks like
>
> insert sd card
> sudo umount /dev/sdX1
> sudo umount /dev/sdX2
> sudo dd if=core-image-minimal-boardname.sdcard of=/dev/sdX bs=4M
>
>
>
>
>
>
> On Thu, May 22, 2014 at 11:33 AM, tom campbell 
> <content@dinkumsoftware.com <mailto:content@dinkumsoftware.com>> wrote:
>
>     List:
>
>     I've built the Freescale imx6 beta successfully from:
>          fsl-yocto-3.10.17-1.0.0-beta.tar.gz
>          L3.10.17_1.0.0_beta_131223_images_MX6.tar.gz
>     cd fsl-community-bsp-platform &&\
>         MACHINE=imx6slevk source setup-environment build-evk &&\
>         bitbake core-image-minimal
>
>
>     I have a question about sd card partitioning.  The instructions in
>     Freescale Yocto user guide 4.1 say:
>         sudo dd if=<image name>.sdcard of=/dev/sd<partition>
>         sudo dd if=<image name>.sdcard of=/dev/sd<partition bs=1M && sync
>
>     No where can I find the partitioning requirements for the sd card.
>     How is the SD card to be partitioned?
>     Don't really understand the two commands above.  Unless
>     <partition> is different, only difference is block size of writes
>     Can someone point me to the partitioning requirements?
>
>     thx
>     tom campbell
>
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>


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