Porting m68k/nommu to a new board.

From: Daniel Palmer
Date: Fri Dec 16 2011 - 00:51:46 EST


Hi,

I'm building a custom machine based around a 68sec000 (Fully static 68ec000).
The "board" is a bunch of parts at the moment but I have written a workable
simulator for the machine which I am using as a testbed for testing things
like my custom video, DMA controller etc before creating the hardware versions
in VHDL.

I'm interested in getting mmu-less m68k linux (what used to be known as
uclinux I guess, seems to be known as m68k/nommu now) running on the simulator
and later on the real hardware.

>From what I can tell the nommu m68k port is still active. But does it actually
work? All the details on similar hardware (like the older Palm pilots, Atari
machines) is pretty ancient, around 2.0. Does anyone have a machine running a
recent kernel? Were there issues getting it running?

I did a bit of digging in the source and doesn't look like it should be too
difficult to add the specifics for my machine.. I have a 16550 style UART
emulated for I/O so I don't need to write a framebuffer driver at the moment.
I'm open to any suggestions people have on how to approach this though.


Please CC me as I'm not subscribed.

Thanks,

Daniel

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