[PATCH v3 0/8] Add the Quadspi driver for vf610-twr
Huang Shijie
shijie8 at gmail.com
Thu Sep 12 23:30:10 EDT 2013
On Thu, Sep 12, 2013 at 11:20:27AM +0100, Mark Brown wrote:
> On Thu, Sep 12, 2013 at 05:18:23PM +0800, Huang Shijie wrote:
>
> > yes. The driver uses the commands to find the _right_ LUT index, and
> > uses the LUT index to
> > trigger the controller.
>
> What is a LUT index?
we can setup 16 valid instruction sequences at most,
for example:
LUT0 - LUT3: for read status of NOR
LUT4 - LUT7: for write enable of NOR
...........
The LUT index is 0 for read-status;
the LUT index is 1 for write-enable.
thanks
Huang Shijie
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