[PATCH v3 0/8] Add the Quadspi driver for vf610-twr

[Huang Shijie]

On Wed, Sep 04, 2013 at 01:45:40PM +0000, thomas.langer at lantiq.com wrote:
> Hello Huang,
> 
> >> In what way does the controller driver depend on those changes?
> > This driver needs the spi nor command to fill the LUT register, such as
> > OPCODE_WREN(0x06), so the patch 1 moves the spi nor command to a seprate
> > header spi-nor.h, and this driver includes this new header.
> > 
> Then some questions come up: 
> - Why does the spi controller need to know this?
The hardware works in this way.
> - What is this LUT register at all?
Please see the patch 1.
> - What happens if something different that a flash is connected and 
>    the data starts with one of these opcodes?
Submit a new patch to fix it.


thanks
Huang Shijie