Forum Discussion
Altera_Forum
Honored Contributor
12 years agoHow to write data into DDR3 SDRAM-HPS!
Hi everyone! I create Qsys to connect SDRAM/FPGA that saves data of camera with HPS. I will read this data by arm through H2F AXI Bridge and send it to VGA. I use 2 components: "Frame Reader" and ...
Altera_Forum
Honored Contributor
11 years agohttps://www.alteraforum.com/forum/attachment.php?attachmentid=9331
The above shows the memory mapping of the FPGA into the ARM. Your FPGA has access to the physical address of the HPS SDRAM starting from 0x10_0000. Note however that the Qsys Avalon address bus to the HPS SDRAM port is only 29 bits wide instead of 32 bits. Thus, you can only access memory up to address 0xa000_0000 from the FPGA. I recommend you look at the Macnica online video http://www.macnica-na.com/vworkshops/courses-altera-soc for a great tutorial on this subject.