Forum Discussion

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

NIOS II flash programmer

Hi, I have build a custom board with EP3C16Q240 having M25P16 [Nymonix 16Mb] serial flash device to store my FPGA configuration data & Program data. After building the .sof and .elf when I tr...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
16 years ago

you will need to create a text file that includes the missing informations.

<nios2_install>/bin/nios2-flash-override.txt

and inside this file you include the informations like this example

--- Quote Start ---

[EPCS-010216]# EPCS64N (Spansion-lead-free) S25FL064A0LMFI001

sector_size = 65536

sector_count = 128

--- Quote End ---

The Spansion datasheet for this device says

Manufacture Identification 01h

Memory Type 02h

Memory Capacity 16h

putting all these informations together delivers 010216

so you will need to look into the datasheet of your device and find the require informations and created the file.

BTW: too bad that the nios forum has lost so many postings, there was a realy complete override file and i remember that epcs device was already listed ...