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Altera_Forum
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13 years ago

NIOS II and Cyclone III Remote Update

Have spent several days now searching and reading and think I am nearly there... but not quite. I am using the NIOS II core with SOPC builder. I use Quartus II for the FPGA image. This is a projec...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
13 years ago

Making progress, I think. It now doesn't run the second software image at all because I guess it cannot find it. I found another bootloader (I couldn't get the one above to make). This one has these lines in it...

//cal

// ofset to where the code is loaded in the epcs device

// these need to be updated.

# define SOFTWARE_OFFSET 0x1c0000

# define EPCS_FLASH_CONTROLLER_0_BASE 0x2000

// offset to the beginning of the hardware for the epcs ( not the rom)

# define EPCS_BASE_PLUS_400 (EPCS_FLASH_CONTROLLER_0_BASE+0x400)

Embarrasingly not sure what to set them at. I was trying to put my second fpga image at 0x200000 and second code at 0x400000. I set the software offset to 0x400000. What do I do with the other 2. Any ideas please.

So near, yet so far!!