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qwitza's avatar
qwitza
Icon for Occasional Contributor rankOccasional Contributor
9 months ago

Cyclone 5 first boot linux crashes, howto debug?

Hello, We have a design with a Cyclone V FPGA. Some boards only boot after a reset following power-on. Problem: The Debian Linux with U-Boot boots from the SD card, but after approximately 10 seco...
Board Debug
Fpga Devkit
qwitza's avatar
qwitza
Icon for Occasional Contributor rankOccasional Contributor
9 months ago

Hello,

here is the source code, how we "upload" the fpga firmware.

if(is_no_error())
{
	std::ofstream wpd("/sys/kernel/config/device-tree/overlays/device/path");
	wpd << "socfpga_overlay.dtb"";
	wpd.close();
	if(wpd.fail())
		return ERROR_WRITE_FAIL;
}