Support of Micron SPI flash (size > 16MB)

Huang Shijie b32955 at
Fri May 16 01:33:04 PDT 2014

于 2014年05月16日 16:15, Mingkai.Hu at 写道:
> Another question is for erase and program command. From the datasheet, not only the WTITE
> ENABLE command need to be issued before the command can be executed, but also a special
> READ FLAG STATUS RESISTER command need to be issued after the erase/program command which
> is not implemented in the upstream code. We implement the READ flag operation and erase
> can work, but write still fail.
> I saw somebody has added the Micron larger SPI flash (>16Mb) support, so I'd like to know
> if they run into such issue.
Yes, we have noticed this issue:

Please see this patch:

Huang Shijie

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