[U-Boot] [RFC PATCH] sf: New SF-NOR framework

Marek Vasut marex at denx.de
Tue Nov 11 22:22:26 CET 2014


On Tuesday, November 11, 2014 at 09:50:35 PM, Jagannadha Sutradharudu Teki 
wrote:
> This is long lasting work that I did last few months back,
> I'm sure it's where much need now.
> 
> - spi driver: drivers/spi/fsl_qspi.c
> - flash attributes in spi_slave {} and
> - etc ...
> making spi subsystem becomes more flash specific rather operating
> as a generic spi bus. So SF-NOR divides normal spi flash operations
> through generic SPI API's(sf_spi.c) and more spi flash(sf) specific
> operations through SF NOR API's.
> 
> So the controllers those are operating more on flash needs to
> write a driver on drivers/mtd/spi/ example fsl_qspi.c
> 
> I have not tested more accuratly as of now, will come back again
> with new feature additions/removal, zynq_qspi additions and more...
> 
> Note: dm-spi ops can gets effected with this new framework
> { .ops            = &spi_flash_std_ops, } and will fix that in next
> version patches.
> 
> Signed-off-by: Jagannadha Sutradharudu Teki <jagannadh.teki at gmail.com>

I have but a general question -- why did you not just import the spi-nor
framework from Linux ?

Best regards,
Marek Vasut


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