Hi Peter,

I don't know exactly what you mean with "bootup with any boot prompts on the console interface". But looking at your working steps it seems to me that there is a general misconception. You hard-copy the Genode uImage to the beginning of the SD-card but neither represents this image a proper bootoader nor is the bootloader assumed to start at block 0.

You should instead 'dd' a bootloader of your choice to the address that is called on SD-startup, additionally create a partition that doesn't overwrite the bootloader, copy the Genode uImage into this partition, and then instrument the bootloader to load and execute the uImage.

I often boot an Imx53 this way by using the Uboot bootloader. My working steps are as follows:

### uboot toolchain ### wget http://releases.linaro.org/14.09/components/toolchain/binaries/gcc-linaro-ar... tar xvf gcc-linaro-arm-none-eabi-4.9-2014.09_linux.tar.xz -C $MY_GCC_DIR

### uboot ### git clone https://github.com/m-stein/uboot $MY_UBOOT_SRC_DIR cd $MY_UBOOT_SRC_DIR git co usb_armory_genode_tz_vmm mkdir $MY_UBOOT_BUILD_DIR make -C $MY_UBOOT_SRC_DIR ARCH=arm CROSS_COMPILE=$MY_GCC_DIR/bin/arm-none-eabi- O=$MY_UBOOT_BUILD_DIR usbarmory_config make -C $MY_UBOOT_BUILD_DIR ARCH=arm CROSS_COMPILE=$MY_GCC_DIR/bin/arm-none-eabi- -j$MY_CPUS

### mmc ### sudo parted $MY_MMC --script mklabel msdos sudo parted $MY_MMC --script mkpart primary ext4 5M 100% sudo mkfs.ext4 ${MY_MMC}p1 sudo dd if=$MY_UBOOT_BUILD_DIR/u-boot.imx of=$MY_MMC bs=512 seek=2 conv=fsync udisks --mount ${MY_MMC}p1 sudo cp $MY_GENODE_BUILD_DIR/var/run/$1/uImage $MY_MMC_P1_MNT/uImage

### boot ### # as soon as uboot came up, interrupt the countdown and do: setenv bootcmd=ext2load mmc 0:1 0x70200000 uImage; bootm 0x70200000 saveenv reset

Don't forget to set all the variables in my scipt appropriately. If you have further questions, please don't hesitate to ask ;)

Cheers Martin

On 19.02.2015 04:41, Peter Teoh wrote:

sorry, I have followed this:

http://sourceforge.net/p/genode/mailman/message/32421676/

http://sourceforge.net/p/genode/mailman/genode-main/thread/9167aa55bacd5e3f0...

Have got the uImage file generated:

tool/build_hw_imx53/var/run>tree . └── tz_vmm ├── boot_modules.s ├── image.elf └── uImage

but problem is after "sudo dd if=./uImage of=/dev/mmcblk0 bs=1M" onto my sdcard (/dev/mmcblk0) it seemed to bootup with any boot prompts on the console interface.

Help?

Regards, Peter Teoh

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