U-Boot mainline: Digilent Zybo-Z7 support

[Michal Simek]

On 01. 06. 20 16:08, Johannes Krottmayer wrote:
> On 01.06.20 at 10:18,  Michal Simek wrote:
>> SPL is community effort and not supported flow by Xilinx. If you want to
>> use it, use it but don't expect any help from Xilinx to help you with
>> issues. I take care about it, use it but there is no planning behind. I
>> am fixing issues for me and for the rest please send a patch and I will
>> take a look. As far as I know JTAG, SD and qspi(but limited) flows
>> should work. I use SD boot most of the time.
> 
> Thanks for the clarification.
> 
>> If you want to pack bitstream to u-boot.img/itb then it should be quite
>> easy to do and all things are in place.
> 
> How is the official U-Boot way, to use the created image on ZYNQ boards
> or which generated files must be placed on a SD card? Unfortunately I
> couldn't find any information in the docs at this time. I have tried to
> create the image with the (custom) bitstream file. Used a FIT source
> (based on <arch/arm/mach-zynqmp/mkimage_fit_atf.sh>) which I have
> attached. But I have no idea how place the image on the SD card. Tried a
> simple...
> 
> $ dd=if=/path/to/U-Boot/u-boot.img of=/dev/sdf
> 
> but didn't work. Also tried to rename the image to BOOT.BIN and place it
> in the root directory of a FAT32 filesystem.
> 
> When I use the Xilinx tools to generate the image with following, it
> works:
> 
> * Vivado: Create bitstream from design
> * Vitis: Create and build FSBL
> * Build U-Boot
> * Create BIF:
> 
> image {
> [bootloader]fsbl.elf
> fpga.bit
> u-boot.elf
> }
> 
> * Use bootgen to create the image
> * Create FAT32 filesystem on SD card
> * Place generated image (BOOT.BIN) to root directory

It is just about putting boot.bin to the first fat partition.
Anyway this is of topic for this mailing list and please take a look at
xilinx wiki pages and manuals. If you have any issue like this you can
consider to use xilinx forums where support team will take care about it.

Thanks,
Michal