Forum Discussion

ABren1's avatar
ABren1
Icon for New Contributor rankNew Contributor
6 years ago

Is it possible to initialize external RAM (ERAM) from the JTAG .sof or EPCS .pof file?

(i) By modifying the BSP to include the new region and section that points to ERAM (ii) Include in NIOS2 code declaration of global variable and instantiation of variable in that section using "__at...
JohnT_Altera's avatar
JohnT_Altera
Icon for Regular Contributor rankRegular Contributor
6 years ago

Hi,

Yes, you can only initialize the Onchip memory and memory copy the data to the SDRAM. The reason is that the SOF file will only contain internal ERAM and there is no way to initialize it except that you memory copy it into the external ERAM.