Hi Shalini, Below is the basic steps for SD card boot on iMX6. Create two partitions on the SD card ext2 for boot and ext4 for rootfs using following commands.
*Create the partions:* *sudo dd if=/dev/zero of=/dev/sdX bs=1M count=16* *sudo mkfs.ext2 /dev/sdX1 -L boot* *sudo mkfs.ext4 /dev/sdX2 -L rootfs* *Mount the partions:* *sudo mkdir -p /media/boot/* *sudo mkdir -p /media/rootfs/* *sudo mount /dev/sdX1 /media/boot/* *sudo mount /dev/sdX2 /media/rootfs/* *Copy the binaries to SD card:* *sudo tar xfvp yocto-build/tmp/deploy/rootfs.tar -C /media/rootfs/* *sudo cp -v yocto-build/tmp/deploy/kernel-image /media/boot* *sudo cp -v yocto-build/tmp/deploy/kernel-dtb /media/boot* *Edit the fstab file as shown below:* *sudo nano /media/rootfs/etc/fstab* */dev/sdX2 / auto errors=remount-ro 0 1* */dev/sdX1 /boot/uboot auto defaults 0 2* Make sure your uboot environment variables are set properly for sd card flash. On Mon, Apr 6, 2015 at 6:23 AM, Shalini K P <shalini...@lnttechservices.com> wrote: > Hi, > > > > I have prepared an Yocto SD card image > "core-image-minimal-imx6q-sabresd.sdcard". I trying to flash the image > onto sdcard using the command > > *"sudo dd if= core-image-minimal-imx6q-sabresd.sdcard of=/dev/sdb bs=1M"* > > *Sync* > > *Sync* > > > > I m getting the boot messages as below > > > > > > > > > > > > > > > > > > > > > *U-Boot 2014.10+fslc+g5fd0b60 (Apr 03 2015 - 18:55:01) CPU: Freescale > i.MX6Q rev1.2 at 792 MHz Reset cause: POR Board: MX6-SabreSD I2C: ready > DRAM: 1 GiB MMC: FSL_SDHC: 0, FSL_SDHC: 1, FSL_SDHC: 2 *** Warning - bad > CRC, using default environment No panel detected: default to Hannstar-XGA > Display: Hannstar-XGA (1024x768) In: serial Out: serial Err: serial > PMIC: PFUZE100 ID=0x10 Net: FEC [PRIME] Hit any key to stop autoboot: 1 > * > > I m stuck up badly. It is not going further. Does the sdcard image > contain ΓΌ-boot, kernel image and rootfs ? or should I flash u-boot > separately ? I even tried flashing both u-boot and sdcaed image. But > getting same messages. Request help in this regard. I'm using Dizzy > branch and SABRESD Evk board. > > > > > > Thanks & Regards > > Shalini K P > > > > *L&T Technology Services Ltd* > > www.LntTechservices.com <http://www.lnttechservices.com/> > > This Email may contain confidential or privileged information for the > intended recipient (s). If you are not the intended recipient, please do > not use or disseminate the information, notify the sender and delete it > from your system. > > -- > _______________________________________________ > yocto mailing list > yocto@yoctoproject.org > https://lists.yoctoproject.org/listinfo/yocto > > -- *Thanks & Regards,* *Sandeep G R*
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