[RFC 0/4] Run barebox on sc6531e-based feature phone

[Sascha Hauer]

Hi Antony,

This has stayed unanswered for some time.

I am not sure what I should do with it. In the current form I think it's
a bit too basic to be useful. Maybe we can add it once the LCD and
Keypad driver is ready?

Sascha

On Sat, Jun 10, 2023 at 01:32:16PM +0300, Antony Pavlov wrote:
> This patch series adds initial support for SC6531E chip.
> 
> SC6431E chip is specially designed solution for creating
> feature phones. It contains
> 
>   * ARM926EJ-S core (up to 208 MHz)
>   * embedded PSRAM
>   * peripherals: USB, SPI, UART, IIS, PCM, I2C, keypad, LCD
>   * SIM card and GSM/GPRS/FM/BT stuff
> 
> This work is based on FPDoom, see [1], [2], [3] for details.
> 
> At the moment only timer and debug_ll output via USB
> are supported.
> 
> After adding lcd and keypad driver running bareDOOM [4]
> on SC6531E will be possible.
> 
>   [1] https://github.com/ilyakurdyukov/fpdoom
>   [2] https://habr.com/ru/articles/706766/
>   [3] https://www.youtube.com/watch?v=tln_Iace1O8
>   [4] https://github.com/a3f/bareDOOM
> 
> Antony Pavlov (4):
>   clocksource: add sc6531e driver
>   ARM: add sc6531e and F+ Ezzy 4 phone support
>   sc6531e: add debug_ll support
>   Documentation: add sc6531e instructions
> 
>  Documentation/boards/sc6531e.rst          | 187 +++++++++
>  arch/arm/Kconfig                          |  10 +
>  arch/arm/Makefile                         |   1 +
>  arch/arm/boards/Makefile                  |   1 +
>  arch/arm/boards/ezzy-4/Makefile           |   6 +
>  arch/arm/boards/ezzy-4/env/init/automount |  27 ++
>  arch/arm/boards/ezzy-4/lowlevel.c         |  19 +
>  arch/arm/boards/ezzy-4/usbio.c            | 449 ++++++++++++++++++++++
>  arch/arm/configs/ezzy-4_defconfig         |  49 +++
>  arch/arm/cpu/uncompress.c                 |   7 +
>  arch/arm/dts/Makefile                     |   1 +
>  arch/arm/dts/ezzy-4.dts                   |  22 ++
>  arch/arm/include/asm/debug_ll.h           |   2 +
>  arch/arm/mach-sc6531e/Kconfig             |  17 +
>  arch/arm/mach-sc6531e/Makefile            |   3 +
>  drivers/clocksource/Makefile              |   1 +
>  drivers/clocksource/timer-sc6531e.c       |  70 ++++
>  include/mach/sc6531e/debug_ll.h           |  17 +
>  18 files changed, 889 insertions(+)
>  create mode 100644 Documentation/boards/sc6531e.rst
>  create mode 100644 arch/arm/boards/ezzy-4/Makefile
>  create mode 100644 arch/arm/boards/ezzy-4/env/init/automount
>  create mode 100644 arch/arm/boards/ezzy-4/lowlevel.c
>  create mode 100644 arch/arm/boards/ezzy-4/usbio.c
>  create mode 100644 arch/arm/configs/ezzy-4_defconfig
>  create mode 100644 arch/arm/dts/ezzy-4.dts
>  create mode 100644 arch/arm/mach-sc6531e/Kconfig
>  create mode 100644 arch/arm/mach-sc6531e/Makefile
>  create mode 100644 drivers/clocksource/timer-sc6531e.c
>  create mode 100644 include/mach/sc6531e/debug_ll.h
> 
> -- 
> 2.39.0
> 
> 

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