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Arrow SoCkit : generate SD card

Honored Contributor II

Hi everybody, 


My goal is to instantiate the HPS SDRAM interface to make FPGA and HPS use the same DDR. 


I have many troubles because the waitrequest of the interface is stack to 1 and so the FPGA can't access to the HPS's DDR. 


So i decided to regenerate the whole SD card.  

According to others threads; with the script make_sdimage.sh with*.dtb, kernel, preloader, u-boot and file system, we can make the correct SD Card. 


Is anybody can explain to me step by step how to create u-boot, preloader and especially how to regenerate the SD Card ??? 


Thanks in advance
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