EM016LXQAB313CS1T
Michael Walle
michael at walle.cc
Fri Oct 6 01:23:25 PDT 2023
Hi,
>>> as far as you know,
>>> is there some development ongoing for the EM016LXQAB313CS1T
>>> mram ?
>>
>> No, in fact, we'd like to get rid of these MRAM devices as they don't
>> have anything to do with NOR flashes - or move them over to the at25
>> driver.
>>
>> Now I see that this part is rather new, supports faster modes and
>> even DTR, emulates erase op codes, etc. But they are lacking SFDP
>> support..
>>
>> You might get away with adding an entry to the database with it's ID.
>> But please *don't* use the SPI_NOR_NO_ERASE.
>>
>> I'm curious, do you have a board with that chip? If so, why don't you
>> use a cheaper NOR flash? Genuine question.
>>
>
> thanks a lot for the clarifications, i am working on a custom
> hardware that should mount this chip, not sure it can be
> changed at this phase.
>
> Supposing i can have it working by the spi-nor driver,
> is it possible to see the device as memory mapped to be
> accessed from userspace ?
You'll get the ususal MTD device /dev/mtdN.
-michael
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