[U-Boot] [RFC PATCH 0/5] SPL: DFU Support in SPL

[Marek Vasut]

On 05/27/2016 03:39 PM, Ravi Babu wrote:
> Traditionally the DFU support is available only
> as part 2nd stage boot loader(u-boot) and DFU
> is not supported in SPL.
> 
> The SPL-DFU feature is useful for boards which has
> only USB inteface and do not have external interface
> like ethernet or MMC/SD to boot the board.
> 
> This patch adds DFU support in SPL to flash binary
> images to factory or bare-metal boards to memory 
> devices like SPI, eMMC, MMC/SD card using
> USB interface. 
> As a reference, refer to application note [3] on SPL-DFU
> support based on 2014.07 u-boot.
> 
> Note: I could not find better option to isolate dfu source
> to include/exclude in Makefile when SPL-DFU feature 
> enabled/disabled, please suggest any better option.
> 
> Tested on dra7xx SoCs family. 
> [1] is EVM console output with SPL-DFU/SPI enabled.
> [2] is ubuntu host console output.
> 
> references:
> [1] http://pastebin.ubuntu.com/16730701/
> [2] http://pastebin.ubuntu.com/16730765/
> [3] http://www.ti.com/lit/an/sprac33/sprac33.pdf 
> 
> Ravi Babu (5):
>   spl: dfu: add dfu support in SPL
>   spl: dfu: fs: adding ext4/fat filesystem support for SPL-DFU
>   spl: dfu: adding dfu support functions for SPL-DFU
>   dfu: spl: add generic spl-dfu function in common-spl
>   dra7x: spl: dfu: adding SPL-DFU support for dra7x platform
> 
>  Kconfig                           |   40 +++++++++++++++++++++++++++++++++++++
>  board/ti/dra7xx/evm.c             |   20 +++++++++++++++++++
>  cmd/Makefile                      |   20 ++++++++++++++++++-
>  common/Makefile                   |   32 ++++++++++++++++++++---------
>  common/command.c                  |    2 +-
>  common/spl/spl.c                  |   11 ++++++++++
>  drivers/dfu/dfu.c                 |   28 ++++++++++++++++++++++++++
>  drivers/dfu/dfu_mmc.c             |   28 ++++++++++++++++++++++++++
>  drivers/mmc/Makefile              |    3 +--
>  drivers/mmc/mmc_private.h         |    2 +-
>  fs/Makefile                       |   12 ++++++++++-
>  include/configs/dra7xx_evm.h      |    3 +--
>  include/configs/ti_omap5_common.h |    2 --
>  include/dfu.h                     |    8 ++++++++
>  include/spl.h                     |    1 +
>  scripts/Makefile.spl              |   13 ++++++++++++
>  16 files changed, 206 insertions(+), 19 deletions(-)
> 
+CC Lukasz , this is his turf

-- 
Best regards,
Marek Vasut