Re: [PATCH v3 3/4] docs/system: arm: Add stm32 boards description

[Alistair Francis <alistair23@gmail.com>]

On Fri, Jun 18, 2021 at 2:56 AM Alexandre Iooss <erdnaxe@crans.org> wrote:
>
> This adds the target guide for Netduino 2, Netduino Plus 2 and STM32VLDISCOVERY.
>
> Signed-off-by: Alexandre Iooss <erdnaxe@crans.org>

Reviewed-by: Alistair Francis <alistair.francis@wdc.com>

Alistair

> ---
>  MAINTAINERS                |  1 +
>  docs/system/arm/stm32.rst  | 66 ++++++++++++++++++++++++++++++++++++++
>  docs/system/target-arm.rst |  1 +
>  3 files changed, 68 insertions(+)
>  create mode 100644 docs/system/arm/stm32.rst
>
> diff --git a/MAINTAINERS b/MAINTAINERS
> index 0aa8016936..47fb06e5fc 100644
> --- a/MAINTAINERS
> +++ b/MAINTAINERS
> @@ -896,6 +896,7 @@ M: Alexandre Iooss <erdnaxe@crans.org>
>  L: qemu-arm@nongnu.org
>  S: Maintained
>  F: hw/arm/stm32vldiscovery.c
> +F: docs/system/arm/stm32.rst
>
>  Versatile Express
>  M: Peter Maydell <peter.maydell@linaro.org>
> diff --git a/docs/system/arm/stm32.rst b/docs/system/arm/stm32.rst
> new file mode 100644
> index 0000000000..508b92cf86
> --- /dev/null
> +++ b/docs/system/arm/stm32.rst
> @@ -0,0 +1,66 @@
> +STMicroelectronics STM32 boards (``netduino2``, ``netduinoplus2``, ``stm32vldiscovery``)
> +========================================================================================
> +
> +The `STM32`_ chips are a family of 32-bit ARM-based microcontroller by
> +STMicroelectronics.
> +
> +.. _STM32: https://www.st.com/en/microcontrollers-microprocessors/stm32-32-bit-arm-cortex-mcus.html
> +
> +The STM32F1 series is based on ARM Cortex-M3 core. The following machines are
> +based on this chip :
> +
> +- ``stm32vldiscovery``  STM32VLDISCOVERY board with STM32F100RBT6 microcontroller
> +
> +The STM32F2 series is based on ARM Cortex-M3 core. The following machines are
> +based on this chip :
> +
> +- ``netduino2``         Netduino 2 board with STM32F205RFT6 microcontroller
> +
> +The STM32F4 series is based on ARM Cortex-M4F core. This series is pin-to-pin
> +compatible with STM32F2 series. The following machines are based on this chip :
> +
> +- ``netduinoplus2``     Netduino Plus 2 board with STM32F405RGT6 microcontroller
> +
> +There are many other STM32 series that are currently not supported by QEMU.
> +
> +Supported devices
> +-----------------
> +
> + * ARM Cortex-M3, Cortex M4F
> + * Analog to Digital Converter (ADC)
> + * EXTI interrupt
> + * Serial ports (USART)
> + * SPI controller
> + * System configuration (SYSCFG)
> + * Timer controller (TIMER)
> +
> +Missing devices
> +---------------
> +
> + * Camera interface (DCMI)
> + * Controller Area Network (CAN)
> + * Cycle Redundancy Check (CRC) calculation unit
> + * Digital to Analog Converter (DAC)
> + * DMA controller
> + * Ethernet controller
> + * Flash Interface Unit
> + * GPIO controller
> + * I2C controller
> + * Inter-Integrated Sound (I2S) controller
> + * Power supply configuration (PWR)
> + * Random Number Generator (RNG)
> + * Real-Time Clock (RTC) controller
> + * Reset and Clock Controller (RCC)
> + * Secure Digital Input/Output (SDIO) interface
> + * USB OTG
> + * Watchdog controller (IWDG, WWDG)
> +
> +Boot options
> +------------
> +
> +The STM32 machines can be started using the ``-kernel`` option to load a
> +firmware. Example:
> +
> +.. code-block:: bash
> +
> +  $ qemu-system-arm -M stm32vldiscovery -kernel firmware.bin
> diff --git a/docs/system/target-arm.rst b/docs/system/target-arm.rst
> index edd013c7bb..addd3d1613 100644
> --- a/docs/system/target-arm.rst
> +++ b/docs/system/target-arm.rst
> @@ -96,6 +96,7 @@ undocumented; you can get a complete list by running
>     arm/collie
>     arm/sx1
>     arm/stellaris
> +   arm/stm32
>     arm/virt
>     arm/xlnx-versal-virt
>
> --
> 2.25.1
>