Block device as MTD

Bill Roman roman at alerton.com
Wed Jun 27 19:41:11 EDT 2001


Simon Evans wrote:
> 
> Basically it wont work. blkmtd isnt actually a driver more a translation
> layer. If you want to talk to CF cards directly, you'll have to write an
> MTD driver for it. I dont know much about CF cards as I have always used
> them as IDE drives, but you may want to look at the PCMCIA utils memory_cs
> driver. I think CF cards can appear as regular PCMCIA flash memory cards
> until a bit is enabled that puts them into IDE mode.
> 
> I tried a test once using the memory_cs driver on a CF and whilst it
> gave me some memory regions, they werent the correct size. Basically,
> you'll have to do some hacking around on the driver to get it to work
> but I dont know where to find specs for CF cards.

Compact Flash information is at http://www.compactflash.org/

A spec may be downloaded after registering at http://www.compactflash.org/specdl1.htm




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