boot.bin file from Yocto doesn't seem to work

Hi
I am new with the embedded software on Zynq and I am currently trying to boot Linux Kernel on Picozed Board from SD CARD.

I have followed some tutorial but the board doesn't boot with the boot.bin (38 528 bytes)

U-Boot SPL 2015.01 (Sep 07 2016 - 12:37:43)
Unsupported boot mode selected
### ERROR ### Please RESET the board ###

But I have no issue with the boot.bin from recovery image from Xillinx (6 358 716 bytes)...

I have missed something in Yocto?

Thanks for helping,

Regards,

-Trigger

0 jafoste4 over 7 years ago

Hello Trigger,
Please tell me which tutorial you are working through, it will help me to better guide you to a solution.
--Josh
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0 Former Member over 7 years ago

Hello Josh,
I have used this one : http://architechboards-picozed.readthedocs.io/en/latest/
Everything seems to be fine in Yocto because I have the correct output files.
Thanks,
-Trigger
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0 jafoste4 over 7 years ago

Hi Trigger,
You could be missing you PL bitstream in your Boot.bin file, however this may not be requried in your project. I am not familiar enough with that design to know if it is required.
Another option for support would be reaching out to those who created this design at http://architechboards.org/
Another resource at your disposal would be the xilinx forum. https://forums.xilinx.com/
--Josh
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0 Former Member over 7 years ago
Hi JFoster,
I have some new conformations : I have now a a u-boot prompt :)
I have build u-boot like that :
cd ~/Documents git clone git://github.com/Xilinx/u-boot-xlnx.git cd u-boot-xlnx git checkout 58359ed54834e42e5f9ee336a7daa62c3c86c32a patch -p1 < ~/yocto/meta-xilinx/recipes-bsp/u-boot/u-boot-xlnx/zynq-Add-Zynq-PicoZed-board-support.patch patch -p1 < ~/yocto/meta-xilinx/recipes-bsp/u-boot/u-boot-xlnx/microblaze-Fix-EMAC-Lite-initialization.patch patch -p1 < ~/yocto/meta-xilinx/recipes-bsp/u-boot/u-boot-xlnx/microblaze-generic_defconfig-Disable-configs.patch

With the SDK I have created a Boot.bin with
1. FSBL.elf
2. empty bitstream
3. u-boot.elf

But I think there is some trouble with Sd card communication because I have this error :
sdhci_send_command: MMC: 0 busy timeout increasing to: 200 ms.
sdhci_send_command: MMC: 0 busy timeout increasing to: 400 ms.
sdhci_send_command: MMC: 0 busy timeout increasing to: 800 ms.
sdhci_send_command: MMC: 0 busy timeout increasing to: 1600 ms.
sdhci_send_command: MMC: 0 busy timeout increasing to: 3200 ms.
sdhci_send_command: MMC: 0 busy timeout.
** Bad device mmc 0 **
I tried to rebuild a FSBL after read this thread : https://forums.xilinx.com/t5/Embedded-Linux/Kernel-Boot-Failing-on-Zynq-in-U-Boot/td-p/703136
Do you know if I need to copy ps7_init_gpl.c/h from hw project in u-boot sources ?
But it's doesn't work :/
Thank you for reading :)
Any suggestion is welcome (or advice, help, suggestion, tricks or anything else)

Regards,
-Trigger
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