[U-Boot-Users] Spansion flash not detected by CFI driver

Shiju shiju.mathew at amd.com
Fri Apr 20 00:25:07 CEST 2007

On Thu, 2007-19-04 at 17:13 -0500, Tolunay Orkun wrote:
> Shiju wrote:
> >> I have another update. THe protect/unprotect failure was happening only
> >> when I was using h/w protect enable. I disabled h/w protect to see
> >> whether everything else goes well. But timeout happens on write as well.
> >> Below is the log message. 
> >>
> >> uboot> cp.b 0x80000000 0xa0000000 $(filesize)
> >> Copy to Flash... Flash buffer write timeout at address a0000000 data
> >> c68686c6
> >> Timeout writing to Flash
> >> uboot>
> > After  disabling the buffered writes, write timeout doesn't happen. ALso
> > protect/unprotect works well when h/w protect is enabled. Is there a
> > way to use buffered writes on this flash device.
> Try disabling debug outputs in CFI driver. I've seen writes do fail when 
> debug output is enabled.
I tested disabling the debug outputs. Still writes and protect/unprotect
fails if CFG_FLASH_USE_BUFFER_WRITE is defined. 


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