[meta-freescale] Freescale imx beta/release sd burning questions
tom campbell
content at DinkumSoftware.com
Thu May 22 09:31:20 PDT 2014
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 at dinkumsoftware.com <mailto:content at 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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