[U-Boot] [PATCHv2 CFI flash]: Workaround for Numonyx Axcell P33/P30 256-Mbit 65nm bug

[Stefan Roese]

Hi Philippe,

one more thing:

On Monday 09 August 2010 17:46:03 Philippe De Muyter wrote:
> Here is the excerpt from the errata :
> 
> Workaround:  If the interval between 60h and its subsequent command
> 	     can be guaranteed within 20μs, Option I is recommended,
> 	     otherwise Option II (involves hardware) should be selected.
> Option I: The table below lists the detail command sequences:
> Command
> 	      Data bus           Address bus       Remarks
> Sequence
>   1              90h            Block Address
> 						   Read Lock Status
>   2             Read         Block Address + 02h
>  (2)(3)                                      (1)
> 3                60h           Block Address
>  (2)(3)                                      (1)   Lock/Unlock/RCR
> Configuration 4           D0h/01h/03h        Block Address
> Notes:
> (1) Block Address refers to RCR configuration data only when the 60h
>     command sequence is used to set RCR register combined with 03h
>     subsequent command.
> (2) For the third and fourth command sequences, the Block Address must
>     be the same.
> (3) The interval between 60h command and its subsequent D0h/01h/2Fh/03h
>     commands should be less than 20μs.

Please add this workaround text from the errata to the commit text in your 
next patch version. This makes things easier - no need to search for the 
errata.

Thanks.
 
Cheers,
Stefan

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