[U-Boot] [PATCH v3 0/8] sf: improve support of (Q)SPI flash memories

[Yang, Wenyou <Wenyou.Yang@Microchip.com>]

Hi,

This patch set has been here for a long time, could you have a look and 
take it?


Best Regards,

Wenyou Yang


On 2017/7/25 15:00, Wenyou Yang wrote:
> This series of patches are based and have been tested on the 'master'
> branch of the u-boot.git tree.
>
> Tests were passed with a sama5d2 xplained board which embeds both SPI and
> QSPI controllers.
>
> The following tests have been passed:
>
> - QSPI0 + Macronix MX25L25673G:
>    + probe: OK
>    + Fast Read 1-1-4 at offset 0x10000 (u-boot env): OK
>    + Page Program 1-1-4 at offset 0x10000: OK
>      The Macronix datasheet tells that only Page Program 1-4-4 is
>      supported, not Page Program 1-1-4, however it worked, I don't know
>      why...
>
> - QSPI0 + Microchip SST26
>    + probe: OK
>    + Fast Read 1-1-4 at offset 0x10000 (u-boot env): OK
>    + Page Program 1-1-1 at offset 0x10000: OK
>      SST26 memories support Page Program 1-4-4 but with the op code of
>      Page Program 1-1-4, which is not standard so I don't use it.
>
> - QSPI0 + Adesto AT25DF321A
>    + probe: OK
>    + Fast Read 1-1-1 at offset 0x10000 (u-boot env): OK
>    + Page Program 1-1-1 at offset 0x10000: OK
>
> - SPI0 + Adesto AT25DF321A
>    + probe: OK
>    + Fast Read 1-1-1 at offset 0x6000 (u-boot env): OK
>    + Page Program 1-1-1 at offest 0x6000: OK
>
> - SPI1 + Atmel AT45
>    + probe: OK
>    + Read at offset 0 and other than 0: OK
>    + Write at offset 0 and other than 0: OK
>
> During my tests, I used:
>    - setenv/saveenv, reboot, printenv
>    or
>    - sf probe, sf read, sf write, sf erase and sf update.
>
> Changes in v3:
>   - Add the include <spi.h> to fix build error for corvus_defconfig.
>
> Changes in v2:
>   - Rebase on the latest u-boot/master(2710d54f5).
>
> Cyrille Pitchen (8):
>    spi: add support of SPI flash commands
>    sf: describe all SPI flash commands with 'struct spi_flash_command'
>    sf: select the relevant SPI flash protocol for read and write commands
>    sf: differentiate Page Program 1-1-4 and 1-4-4
>    sf: add 'addr_len' member to 'struct spi_flash'
>    sf: add new option to support SPI flash above 16MiB
>    sf: add support to Microchip SST26 QSPI memories
>    sf: add driver for Atmel QSPI controller
>
>   drivers/mtd/spi/Kconfig         |  16 +-
>   drivers/mtd/spi/sf.c            |  78 ++++++--
>   drivers/mtd/spi/sf_dataflash.c  | 119 ++++++------
>   drivers/mtd/spi/sf_internal.h   |  48 +++--
>   drivers/mtd/spi/spi_flash.c     | 341 +++++++++++++++++++++++----------
>   drivers/mtd/spi/spi_flash_ids.c |   5 +
>   drivers/spi/Kconfig             |   7 +
>   drivers/spi/Makefile            |   1 +
>   drivers/spi/atmel_qspi.c        | 404 ++++++++++++++++++++++++++++++++++++++++
>   drivers/spi/atmel_qspi.h        | 169 +++++++++++++++++
>   drivers/spi/spi-uclass.c        |  40 ++++
>   drivers/spi/spi.c               |  13 ++
>   include/spi.h                   | 168 +++++++++++++++++
>   include/spi_flash.h             |   7 +
>   14 files changed, 1226 insertions(+), 190 deletions(-)
>   create mode 100644 drivers/spi/atmel_qspi.c
>   create mode 100644 drivers/spi/atmel_qspi.h
>