[PATCH v3 0/5] Add SIMATIC IOT2050 board support

[Lokesh Vutla]

Hi Jan,

On 12/06/21 1:12 am, Jan Kiszka wrote:
> This is the baseline support for the SIMATIC IOT2050 devices.
> 
> Changes in v3:
>  - rebased
>  - addressed several checkpatch warnings
>     - a few #ifdef -> IS_ENABLED conversions
>     - comment marker for SPDK identifier in .S file
>     - trailing whitespaces
>  - factored out rti_wdt_load_fw (less #ifdef)

I see that there is no conclusion yet for the Watchdog firmware support. But
that can be split out from this series IMO. Can you repost with basic support so
that I can merge the series. Watchdog support can be dealt separately.

Thanks and regards,
Lokesh

> 
> Changes in v2:
>  - rebased
>  - sync with upstream-accepted DT
>  - add boot switch
>  - include watchdog support
> 
> Allows to boot mainline 5.10 kernels, but not the original BSP-derived
> kernel we currently ship as reference. This is due to the TI sysfw ABI
> breakages between 2.x and 3.x. We will soon provide a transitional
> kernel that allows booting both firmware ABIs - as long as full upstream
> kernel support is work in progress.
> 
> Note that this baseline support lacks Ethernet drivers. We are working
> closely with TI to ensure that the to-be-upstreamed icssg-prueth driver
> will work both with new SR2.0 AM65x silicon as well as with SR1.0 which
> is used in the currently shipped IOT2050 devices.
> 
> A staging tree for complete IOT2050 support can be found at [1]. Full
> image integration is available via [2].
> 
> Jan
> 
> [1] https://github.com/siemens/u-boot/commits/jan/iot2050
> [2] https://github.com/siemens/meta-iot2050
> 
> Jan Kiszka (5):
>   arm: dts: Add IOT2050 device tree files
>   board: siemens: Add support for SIMATIC IOT2050 devices
>   arm64: dts: ti: k3-am65-mcu: Add RTI watchdog entry
>   watchdog: rti_wdt: Add support for loading firmware
>   configs: iot2050: Enable watchdog support, but do not auto-start it
> 
>  arch/arm/dts/Makefile                         |   7 +-
>  arch/arm/dts/k3-am65-iot2050-boot-image.dtsi  | 105 +++
>  .../dts/k3-am65-iot2050-common-u-boot.dtsi    | 103 +++
>  arch/arm/dts/k3-am65-iot2050-common.dtsi      | 655 ++++++++++++++++++
>  arch/arm/dts/k3-am65-iot2050-spl.dts          |  16 +
>  arch/arm/dts/k3-am65-mcu.dtsi                 |   9 +
>  arch/arm/dts/k3-am6528-iot2050-basic.dts      |  67 ++
>  arch/arm/dts/k3-am6548-iot2050-advanced.dts   |  66 ++
>  arch/arm/mach-k3/Kconfig                      |   1 +
>  board/siemens/iot2050/Kconfig                 |  32 +
>  board/siemens/iot2050/MAINTAINERS             |   8 +
>  board/siemens/iot2050/Makefile                |  10 +
>  board/siemens/iot2050/README                  |  65 ++
>  board/siemens/iot2050/board.c                 | 278 ++++++++
>  board/siemens/iot2050/config.mk               |   8 +
>  configs/iot2050_defconfig                     | 146 ++++
>  drivers/watchdog/Kconfig                      |  20 +
>  drivers/watchdog/Makefile                     |   5 +
>  drivers/watchdog/rti_wdt.c                    |  72 ++
>  drivers/watchdog/rti_wdt_fw.S                 |  20 +
>  include/configs/iot2050.h                     |  60 ++
>  21 files changed, 1752 insertions(+), 1 deletion(-)
>  create mode 100644 arch/arm/dts/k3-am65-iot2050-boot-image.dtsi
>  create mode 100644 arch/arm/dts/k3-am65-iot2050-common-u-boot.dtsi
>  create mode 100644 arch/arm/dts/k3-am65-iot2050-common.dtsi
>  create mode 100644 arch/arm/dts/k3-am65-iot2050-spl.dts
>  create mode 100644 arch/arm/dts/k3-am6528-iot2050-basic.dts
>  create mode 100644 arch/arm/dts/k3-am6548-iot2050-advanced.dts
>  create mode 100644 board/siemens/iot2050/Kconfig
>  create mode 100644 board/siemens/iot2050/MAINTAINERS
>  create mode 100644 board/siemens/iot2050/Makefile
>  create mode 100644 board/siemens/iot2050/README
>  create mode 100644 board/siemens/iot2050/board.c
>  create mode 100644 board/siemens/iot2050/config.mk
>  create mode 100644 configs/iot2050_defconfig
>  create mode 100644 drivers/watchdog/rti_wdt_fw.S
>  create mode 100644 include/configs/iot2050.h
>