Forum Discussion

Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
8 years ago

HPS SPI remapped to FPGA cause system hangup

Hi all! Up untill now I've successfully used SPI master remapped to FPGA pins with CS pin via PIO. In my u-boot.scr I had such coded: fatload mmc 0:2 $fpgadata UniDAS.rbf; fpga load 0 $fpg...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
8 years ago

I've replaced u-boot.scr code with this: 


fatload mmc 0:2 $fpgadata UniDAS.rbf;
fpga load 0 $fpgadata $filesize
mw $axibridge ${axibridge_handoff};
mw $l3remap ${l3remap_handoff}
mw $fpga2sdram ${fpga2sdram_handoff};

and verify that JTAG master can read system memory and SPI do not hang the system. But I do not know why this is happening.