[U-Boot] [PATCH v6 00/12] sf: Add Extended read and quad read/write commands support
Sourav Poddar
sourav.poddar at ti.com
Mon Jan 6 08:22:15 CET 2014
On Saturday 04 January 2014 08:34 PM, Jagannadha Sutradharudu Teki wrote:
> This a suffix series for
> http://u-boot.10912.n7.nabble.com/PATCH-v4-00-36-sf-Add-common-probe-and-extended-quad-read-write-cmds-support-td163949.html
> for adding extended read and quad read/write commands support.
>
> Concept:
> "Implementation will discover the fastest command by taking the supported
> commands from flash and a controller. Controller supported commands will always been a priority."
>
> The above concept is changed in this series as couple of reviews from earlier ones.
> - Implementation concept will apply on read commands.
> - As we have two write commands as of now – so this series is not trying to
> discover the fastest write command
> - The respective command modes are given to the controller driver side as a form of
> SPI RX/RX operation modes - so sf definitions will not be part of SPI driver side.
>
> Testing branch:
> $ git clone git://git.denx.de/u-boot-spi.git
> $ cd u-boot-spi
> $ git checkout -b master-quad origin/master-quad
>
> REQUEST FOR ALL SPI CODE CONTRIBUTORS/USERS, PLEASE TEST THESE CHANGES
> W.R.T YOUR HW IF POSSIBLE.
>
> Please let me know for any issues/concerns/questions.
>
> --
> Thanks,
> Jagan.
>
> Changes for v6:
> - Divided flash reg ops code
> - sf_ops.c clean
> Changes for v5:
> - Re-implemented write command log - not trying to discover the fastest write
> - Added SPI RX/TX operation modes
> - SPI flash parts are moved into sf_params.c file
> - Added QUAD_IO_FAST read support
> - Discovred the read dummy_cycles based on configured read cmd
> - Added set QEB support for macronix flash
> - Enabled quad read/write cmd support for macronix flash
> Changes for v4:
> Changes for v3:
> Changes for v2:
> - none
>
> Jagannadha Sutradharudu Teki (12):
> sf: Add extended read commands support
> sf: Add quad read/write commands support
> sf: ops: Add configuration register writing support
> sf: Set quad enable bit support
> sf: probe: Enable RD_FULL and WR_QPP
> sf: Separate the flash params table
> sf: Add QUAD_IO_FAST read support
> sf: Discover read dummy_cycles
> sf: Add macronix set QEB support
> sf: probe: Enable macronix quad read/write cmds support
> sf: Divide flash register ops from QEB code
> sf: Code cleanups
>
> drivers/mtd/spi/Makefile | 4 +-
> drivers/mtd/spi/sf_internal.h | 31 +++++-
> drivers/mtd/spi/sf_ops.c | 71 ++++++++++--
> drivers/mtd/spi/sf_params.c | 130 ++++++++++++++++++++++
> drivers/mtd/spi/sf_probe.c | 246 +++++++++++++++++++-----------------------
> include/spi.h | 17 +++
> include/spi_flash.h | 43 ++++++++
> 7 files changed, 393 insertions(+), 149 deletions(-)
> create mode 100644 drivers/mtd/spi/sf_params.c
>
Apart from the couple of comments given, this series looks good to me.
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