Re: [PATCH v2 3/4] dt-bindings: mtd: macronix,mx25l12833f: add SPI-NOR chip

From: Esben Haabendal
Date: Wed Jul 10 2024 - 10:34:31 EST


Erez <erezgeva2@xxxxxxxxx> writes:

> On Wed, 3 Jul 2024 at 09:12, Tudor Ambarus <tudor.ambarus@xxxxxxxxxx> wrote:
>> On 7/3/24 12:16 AM, Erez wrote:
>>> On Tue, 2 Jul 2024 at 07:00, Tudor Ambarus <tudor.ambarus@xxxxxxxxxx> wrote:
>>>
>>> The table below uses fixed width characters.
>>>
>>> ID Part. Size Status SFDP status
>>> according to spec.
>>> New chip with
>>> SFDP for EOL
>>> c22012 MX25L2005(A) SZ_256K = 2Mb EOL MX25L2006E
>>> c22532 MX25U2033E SZ_256K = 2Mb EOL
>>> c22013 MX25L4005A SZ_512K = 4Mb EOL
>>> c22533 MX25U4035 SZ_512K = 4Mb EOL
>>> c22534 MX25U8035 SZ_1M = 8Mb EOL
>>> c22016 MX25L3205D SZ_4M = 32Mb EOL MX25L3233F
>>> c29e16 MX25L3255E SZ_4M = 32Mb EOL
>>> c22017 MX25L6405D SZ_8M = 64Mb EOL
>>> c22018 MX25L12805D SZ_16M = 128Mb EOL MX25L12833F
>>> c22538 MX25U12835F SZ_16M = 128Mb EOL
>>> c2253a MX66U51235F SZ_64M = 512Mb EOL MX25U51245G
>>> c22010 MX25L512E SZ_64K = 512Kb NO_REC Have-SFDP!
>>> c22015 MX25L1606E SZ_2M = 16Mb NO_REC Have-SFDP!
>>> c22536 MX25U3235F SZ_4M = 32Mb NO_REC Have-SFDP!
>>> c22816 MX25R3235F SZ_4M = 32Mb NO_REC Have-SFDP!
>>> c22537 MX25U6435F SZ_8M = 64Mb NO_REC Have-SFDP!
>>> c22019 MX25L25635E SZ_32M = 256Mb NO_REC Have-SFDP!
>>> c22539 MX25U25635F SZ_32M = 256Mb NO_REC Have-SFDP!
>>> c2201a MX66L51235F SZ_64M = 512Mb NO_REC Have-SFDP!
>>> c2261b MX66L1G55G SZ_128M = 1Gb NO_REC Spec. is not public
>>> c22314 MX25V8035F SZ_1M = 8Mb PROD Have-SFDP!
>>> c22815 MX25R1635F SZ_2M = 16Mb PROD Have-SFDP!
>>> c2201b MX66L1G45G SZ_128M = 1Gb PROD Have-SFDP!
>>> c2253c MX66U2G45G SZ_256M = 2Gb PROD Have-SFDP!
>>> c2253a MX25U51245G SZ_64M = 512Mb PROD Have-SFDP!
>>>
>>> EOL End of Life
>>> PROD Normal Production
>>> NO_REC Not recommend for new design
>>>
>>>
>>
>> not sure what you want me to do with these.
>
> That we can read SFDP for all chips from Macronix.
> Only old chips before 2010 do not have SFDP.

So, should we try and identify new chips (with SFDP) that re-use the ID of all the
above mentioned EOL chips that does not have SFDP?

As I read the communication from Macronix, then we should expect new
chips re-using the ID for all of them. It is just a matter of digging.

/Esben