HI Michal, On 31 March 2014 03:45, Michal Simek <mon...@monstr.eu> wrote:
> Hi all, > > I want to check with you if someone tried this scenario. > Load u-boot on main CPU (for me ARM cortex-a9) > and boot different cpu(for me Microblaze) with FIT image > or old u-boot image format. > > IRC I have seen any code regarding this but I am not able > to find it out where. :-( > > My current usage is that I do that steps by hand by > tftp 100000 kernel.bin (microblaze kernel in bin format with rootfs and > dtb in it) > mwr 0xXXXXXX 0x1 (turn on microblaze via custom logic which jumps to > 0x100000) > tftp 10000000 image.ub (download arm kernel) > bootm 0x10000000 (boot arm kernel) > > I think that will be much better to have > both kernels in one FIT image and and use two configurations. > One for microblaze kernel and second for arm kernel > and boot it with one bootm command. > > Simon: Is this configuration even supported by FIT image? > A lot of my clean-up work was to get everything (kernel, ramdisk, fdt) to use fit_image_load(). So it is pretty easy to write a command which calls fit_image_load() to load an FPGA image, or something for another CPU. I would suggest a 'fdt' command (or maybe 'fit'?) to load from a FIT image - currently this all happens at once in the bootm command but with all that code untangled it would be pretty easy to do. Regards, Simon
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