[U-Boot] Reg. CFI flash_init and hardware write protected devices

Frank Svendsbøe
2011-06-23T19:05:27Z

On Thu, Jun 23, 2011 at 7:55 PM, Wolfgang Denk <wd@denx.de> wrote:
> Dear Frank,
>
> In message <BANLkTi=p9gdOGOETWojRqkmrxXM7Do_tBg@mail.gmail.com> you wrote:
>>
>> > CFI flash chips with the level of write protection you implemented
>> > have to be dealt with in the same way as other ROM memory. =A0Normal CFI
>> > driver are not appropriate here.
>>
>> Ok. So you recommend I stop "hacking" the CFI probing and instead
>> write a custom flash map driver?
>
> No. ?Never write new drivers when you can use existing ones :-)
>
> Describe the flash memory as "mtd-ram" (instead of "cfi-flash") in
> the device tree and select the physmap driver in your kernel config.
>

Oh. I will try that. Thanks a lot for this tip :)

.. and sorry for asking about Linux related topics on the U-Boot ML.

Best regards,
Frank