[PATCH v8 6/9] mtd: spi-nor: add support for Macronix Octal flash MX25 series with RWW feature

Michael Walle mwalle at kernel.org
Thu Feb 1 07:48:06 PST 2024


Hi,

> 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.
> 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.
> 
> MX25LW : 3.0V Octal I/O with Read-while-Write
> MX25UW : 1.8V Octal I/O with Read-while-Write
> 
> MX25LM : 3.0V Octal I/O
> Link: 
> https://www.mxic.com.tw/Lists/Datasheet/Attachments/8729/MX25LM51245G,%203V,%20512Mb,%20v1.1.pdf
> 
> MX25UM : 1.8V Octal I/O
> Link: 
> https://www.mxic.com.tw/Lists/Datasheet/Attachments/8967/MX25UM51245G,%201.8V,%20512Mb,%20v1.5.pdf
> 
> Those flash have been tested on Xilinx Zynq-picozed board using
> MXIC SPI controller.
> As below are debugfs data, the SFDP table and result of mtd-utils
> tests dump.
> 
> ---

What is this? There is already a "---" below.

It goes like this:
[From:]

Patch description.

Link:
Link:
Signed-off-by:

---

Test data and SFDP dump

diff --git a/drivers/mtd/spi-nor/macronix.c 
b/drivers/mtd/spi-nor/macronix.c
...

-michael



More information about the linux-mtd mailing list