Re: Memory card block device

David Remahl wrote:

> Has any work, or thought, been put into creating a driver for the 
> GameCube memory cards? I ordered a cheap 64 MB memory card, so that 
> could be a very convenient source of a reasonable amount of persistent 
> storage.
>
> I have no experience of writing neither block device drivers, nor MTD 
> drivers for Linux, so I'm unsure of what the best route is. If someone 
> knows better, I'd love to listen and do the work.
>
> There isn't that much to read about the memory card in the R.E. spec, 
> but as far as I can discern (with my limited driver and hardware 
> hacking knowledge) there aren't any gaping holes there. It should be 
> "a simple matter of programming", right?

I belive the kernel MTD stuff has support for SPI flash, so you would 
just need to add a driver there for the EXI dma/pio stuffs, which is 
quite simple. referencing the us patent #6609977 should provide you with 
most of the info, as would referencing the gclib sources, though i don't 
remember what license the gclib sources are under...
adding a gc memcard fs should also be possible using the gclib sources, 
or re-reverse engineering the fs.


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