[PATCH v4 3/6] mtd: spi-nor: add support for Macronix Octal flash

[Tudor Ambarus]

Hi, Jaime,

I think I already asked to split this in a patch per flash family,
it will become more readable this way.

On 08.09.2023 09:43, Jaime Liao wrote:
> From: JaimeLiao <jaimeliao at mxic.com.tw>
> 
> Adding Macronix Octal flash for Octal DTR support.
> 
> The octaflash series can be divided into the following types:
> 
> MX25 series : Serial NOR Flash.
> MX66 series : Serial NOR Flash with stacked die.(Size larger than 1Gb)
> LM/UM series : Up to 250MHz clock frequency with both DTR/STR operation.
> LW/UW series : Support simultaneous Read-while-Write operation in multiple
>                bank architecture. Read-while-write feature which means read
>                data one bank while another bank is programing or erasing.
> 
> MX25LM : 3.0V Octal I/O
>  -https://www.mxic.com.tw/Lists/Datasheet/Attachments/8729/MX25LM51245G,%203V,%20512Mb,%20v1.1.pdf
> 
> MX25UM : 1.8V Octal I/O
>  -https://www.mxic.com.tw/Lists/Datasheet/Attachments/8967/MX25UM51245G,%201.8V,%20512Mb,%20v1.5.pdf
> 
> MX66LM : 3.0V Octal I/O with stacked die
>  -https://www.mxic.com.tw/Lists/Datasheet/Attachments/8748/MX66LM1G45G,%203V,%201Gb,%20v1.1.pdf
> 
> MX66UM : 1.8V Octal I/O with stacked die
>  -https://www.mxic.com.tw/Lists/Datasheet/Attachments/8711/MX66UM1G45G,%201.8V,%201Gb,%20v1.1.pdf
> 
> MX25LW : 3.0V Octal I/O with Read-while-Write
> MX25UW : 1.8V Octal I/O with Read-while-Write
> MX66LW : 3.0V Octal I/O with Read-while-Write and stack die
> MX66UW : 1.8V Octal I/O with Read-while-Write and stack die
> 
> About LW/UW series, please contact us freely if you have any

this is not the place for such a statement.

> questions. For adding Octal NOR Flash IDs, we have validated
> each Flash on plateform zynq-picozed.
> 
> As below are the SFDP table dump.
> 
> zynq> cat jedec_id
> c2943c
> zynq> cat manufacturer
> macronix
> zynq> cat partname
> mx66uw2g345gx0
> zynq> xxd -p sfdp
> 53464450080104fd00070114400000ff8701011c900000ff0a0001080001
> 00ff05000105200100ff84000102340100ff0000000000000000ffffffff
> ffffffffe5208affffffff7f00ff00ff00ff00ffeeffffffffff00ffffff
> 00ff0c2010d800ff00ff87790100841200e2cc04674630b030b0f4bdd55c
> 000000ff101000200000000000007c234800000000008888000000000000
> 00400fd1fff30fd1fff300050090000500b1002b0095002b0096727103b8
> 727103b80000000090a3188200c069960000000000000000727100987271
> 00b8727100990000000072710098727100f872710099727100f900000000
> 00000000011501d0727106d8000086500000060100000000020001030002
> 00000000060100000000000072060002000000eec0697272717100d8f7f6
> 000a00001445988043061f0021dcffff
> zynq> md5sum sfdp
> 839ad44d1e758bea30bd9917ba763ba6  sfdp

please do the mtd_debug tests as well. I shall update mtd-debug with a
sanity test in the future.