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Arrow SoCkit : generate SD card

Altera_Forum
Honored Contributor II
777 Views

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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