FOUND IT + how to fix, Was: Using MTD + cfi_probe with RPXLite ?
David Woodhouse
dwmw2 at infradead.org
Tue Jul 4 05:04:26 EDT 2000
AKC at pel.dk said:
> cfi_probe couldn't detect the flash on the RPXLite because it only has
> x32 access, which means A30,A31 isn't connected to the flash. So to
> detect the flash and get information from it all address' needs *4,
> eg. 0xAA becomes 0x2a8.
> After the flash is detected in cfi_probe_new_chip, all the address'
> needs *2
> There must be a better way than touching up the code by hand ;-)
Try the rpxlite map driver which I've added to the CVS tree. If it doesn't
work, let me have a patch for it.
There's also a 'physmap' driver for normal physical mappings of flash
chips, which require ioremap() to get a virtual mapping - unlike nora.c
which has a virtual mapping set up for it by the kernel's VM init code.
--
dwmw2
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