[U-Boot] [PATCH v7 00/17] sf: Add support for quad and dual_flash

[Jagannadha Sutradharudu Teki]

This series is a combo of quad cmds and dual_flash support
Refer [1] and [2] for more functional description about this changes.

[1] http://u-boot.10912.n7.nabble.com/PATCH-v6-00-12-sf-Add-Extended-read-and-quad-read-write-commands-support-td170645.html
[2] http://u-boot.10912.n7.nabble.com/PATCH-v3-0-4-sf-Add-support-to-access-dual-flash-memory-td170760.html

Tested on sst, stmicro and spansion flash.
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 v7:
	- cmdsz on read_ops
	- sf param flags are placed spi_flash.h
	- code cleanup
	- updated dual_flash with BAR support
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 (17):
  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_byte
  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
  sf: ops: Unify read_ops bank configuration
  sf: Add dual memories support - DUAL_STACKED
  sf: Add dual memories support - DUAL_PARALLEL
  sf: Add CONFIG_SF_DUAL_FLASH
  doc: SPI: Update status.txt

 README                        |   6 +
 doc/SPI/README.dual-flash     |  92 ++++++++++++++
 doc/SPI/status.txt            |  11 +-
 drivers/mtd/spi/Makefile      |   4 +-
 drivers/mtd/spi/sf.c          |   4 +
 drivers/mtd/spi/sf_internal.h |  34 ++++--
 drivers/mtd/spi/sf_ops.c      | 157 +++++++++++++++++++-----
 drivers/mtd/spi/sf_params.c   | 130 ++++++++++++++++++++
 drivers/mtd/spi/sf_probe.c    | 274 +++++++++++++++++++++---------------------
 include/spi.h                 |  26 ++++
 include/spi_flash.h           |  57 +++++++++
 11 files changed, 610 insertions(+), 185 deletions(-)
 create mode 100644 doc/SPI/README.dual-flash
 create mode 100644 drivers/mtd/spi/sf_params.c

-- 
1.8.3