On Friday 06 March 2009, Richard Retanubun wrote:
> >> My baseline is 2009.03-rc1. If there are STMicro/Numonyx guys on
> >> this mailing list, can you help provide a more 'generic' way of
> >> detection? this way the exception list does not have to grow a lot.
> >
> > Did you take a look at the Linux driver to see how this is handled there?
> > Maybe they have a more "generic" solution...
>
> Hi Stefan,
>
> Thanks for the comments. I took a quick look around /drivers/mtd,
> but can't find a similar geometry reversal.
>
> Unfortunately, I found this in:
>
> /driver/mtd/chips/cfi_cmdset_0001.c
> [snip]
> { CFI_MFR_ST, 0x00ba, /* M28W320CT */ fixup_st_m28w320ct, NULL },
> { CFI_MFR_ST, 0x00bb, /* M28W320CB */ fixup_st_m28w320cb, NULL },
> [/snip]
>
> By no means am I a CFI expert, but my impression is,
> if there has to be a part number specific fixup function for any reason,
> then it is a good indication that there are just some part specific
> peculiarity.
Right.
> What utilities exist in Linux-world to do the equivalent of "flinfo" in
> u-boot, just so I can see if Linux has a more generic way.
At this level you really need to "read" the code and/or use the embedded debug
output (if available) or add some new code to see what's going on.
> And just in case it matters, our board with these flash is MMU-less,
> so if there is a different tool for uCLinux that will help too :)
I don't think that uCLinux has different "tools" here.
Best regards,
Stefan
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