Forum Discussion
binupr
Occasional Contributor
2 years agoUnable to access FPGA_bridge_lwsoc2fpga_2M Address Map from Uboot
Hello there, We are having issues accessing the FPGA LW address map from Uboot. This is for Intel Agilex SoC. Qsys has the LW bridge enabled. We are also enabling this bridge via CONFIG command in U...
- 2 years ago
Hi Binu
So sorry for the late response.
You could use the md command, no need the axi md.
For the example you could take a look at this dtsi.
Regards
Jingyang, Teh
tehjingy_Altera
Regular Contributor
2 years agoHi
In the uboot environment have you successfully loaded the FPGA configuration?
If yes, you could use the command "bridge enable" to enable the bridges before accessing over the bridge.
Regards
Jingyang, Teh
- binupr2 years ago
Occasional Contributor
Hi,
Yes the FPGA configuration was successful. And yes we have enabled bridge using bridge enable command.
There has been some progress but that is only after adding lightweight bridge information in uboot device tree. But even with that we are not able to get correct information via ‘axi’ cmd for address space 0xf9000000