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Re: JFFS2 MTD NAND with two banks



On Wed, 2003-10-01 at 07:43 +0200, daniel.haensse@xxxxxxx.ch wrote:
> Hi list,
> 
> Jffs2 is usable now on our small platform with a 68vz328 (Thanks David for the 
> kind support). 
> 
> A 32MB Flash chip is mounted within 37 seconds.
> 
> Now I would like to add the smart media slot on our board. After reading the 
> nand tech document, I still do not understand how to access the smart media 
> chip. We use two chips (NAND flash and Smart Media Card)  to share the ALE 
> and CLE lines. So how must I adapt the your_hwcontrol mechanism or  do I need 
> to write a second independing driver (how could I handle concurrent access in 
> that case).

If you provide your own select_chip() function for each chip, then it
can do mutual exclusion and allow only one to be accessed at a time.

-- 
dwmw2


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