Forum Discussion
Altera_Forum
Honored Contributor
Honored Contributornios&vhdl
I connected vhdl, which is o.k., to a full featured nios 2c35 via a 16bit pio. The seven segment pio and the parts were removed. The compilation to the sof and quartus was o.k. too. So...
Altera_ForumHonored Contributor
Honored ContributorI assume this is a custom board with a CFI flash chip named ext_flash, and a lan91c111 chip.
The 91c111 does not store its MAC address internally; it has to be loaded by the driver during initialization. Altera stores theirs in a part of the flash chip; if you look at the LWIP code, you should see where it goes looking for this during initialization (sorry, I haven't looked at the code myself, so I can't tell you exactly where). You need to either program a new MAC address there, or change the routine to get the MAC address some other way.
