Forum Discussion

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

Boot HPS from FPGA doesn't work

Hi, Has anyone succeeded in booting preloader from FPGA On-Chip RAM (OCRAM)? For now I can mannually load preloader through the JTAG in DS-5 debugger. It executes well and then a simple applica...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
11 years ago

Hi, Sören, this is really good news to me! I've studied 2 documents carefully: [1] (http://www.alterawiki.com/wiki/socbootfromfpga) and [2] (http://www.rocketboards.org/foswiki/documentation/bootfromfpga140). And I am confused by the different preloader settings they give. Can you share your preloader settings to boot from FPGA OCRAM, please? And also for Arrow-SoC-Kit board, how have you routed reset signals to HPS? I've done this way: 


.hps_cold_rst_reset_n ( HPS_RESET_n ),
.hps_debug_rst_reset_n ( HPS_WARM_RST_n ),
.hps_warm_rst_reset_n ( HPS_WARM_RST_n ),

And signals HPS_RESET_n & HPS_WARM_RST_n I've simply added to the top.sv port list, Quartus routed it by itself. I think some mistakes are possible..

As I've understood we load .sof file, pass a cold reset to HPS and then some response in my UART terminal is expected, right?

Sergey

[1]http://www.alterawiki.com/wiki/SocBootFromFPGA

[2]http://www.rocketboards.org/foswiki/Documentation/BootFromFPGA140