[U-Boot] [PATCH 00/18] sf: fix support of QSPI memories and controllers

[Jagan Teki <jteki@openedev.com>]

On Tuesday 15 March 2016 11:42 PM, Cyrille Pitchen wrote:
> Hi all,
>
> This series of patches fixes and extend the support of QSPI memories
> in the SPI flash framework. The updates are split into many parts to
> make it easier to understand and review but they should be considered
> as a whole.
>
> This was tested on a Atmel sama5d2 xplained board with a Micron n25q128a
> memory.
>
> Best regards,
>
> Cyrille
>
> Cyrille Pitchen (18):
>    Revert "sf: Fix quad bit set for micron devices"
>    sf: call spi_claim_bus() and spi_release_bus() only once per read,
>      write or erase
>    sf: replace spi_flash_read_common() calls by spi_flash_cmd_read()
>    sf: remove spi_flash_write_common()
>    sf: export spi_flash_wait_ready() function
>    sf: share erase generic algorithm
>    sf: share write generic algorithm
>    sf: share read generic algorithm
>    sf: add hooks to handle register read and write operations
>    sf: move support of SST flash into generic spi_flash_write_alg()
>    sf: fix selection of supported READ commands for QSPI memories
>    sf: fix detection of QSPI memories when they boot in Quad or Dual mode
>    sf: add helper function to set the number of dummy bytes
>    sf: add 4byte address opcodes
>    sf: prepare next fixes to support of QSPI memories by manufacturer
>    sf: fix support of Micron memories
>    ARM: at91: clock: add function to get QSPI clocks
>    sf: add driver for Atmel QSPI controller

Appreciate for the work, we're working on spi-nor framework[1] planning 
to push in couple of weeks. Will let you know once it merged so that you 
can add your changes on top of that.

[1] 
http://git.denx.de/?p=u-boot/u-boot-spi.git;a=shortlog;h=refs/heads/spi-nor-next