From: Alexandre Iooss <erdnaxe@crans.org> To: qemu-devel@nongnu.org (open list:All patches CC here) Cc: Peter Maydell <peter.maydell@linaro.org>, "open list:NRF51" <qemu-arm@nongnu.org>, Joel Stanley <joel@jms.id.au>, Alexandre Iooss <erdnaxe@crans.org> Subject: [PATCH] docs/system: arm: Add nRF boards description Date: Sat, 19 Jun 2021 11:57:50 +0200 [thread overview] Message-ID: <20210619095750.3216150-1-erdnaxe@crans.org> (raw) This adds the target guide for BBC Micro:bit. Information is taken from https://wiki.qemu.org/Features/MicroBit and from hw/arm/nrf51_soc.c. Signed-off-by: Alexandre Iooss <erdnaxe@crans.org> --- MAINTAINERS | 1 + docs/system/arm/nrf.rst | 49 ++++++++++++++++++++++++++++++++++++++ docs/system/target-arm.rst | 1 + 3 files changed, 51 insertions(+) create mode 100644 docs/system/arm/nrf.rst diff --git a/MAINTAINERS b/MAINTAINERS index 636bf2f536..7c54611cc2 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -1031,6 +1031,7 @@ F: hw/*/microbit*.c F: include/hw/*/nrf51*.h F: include/hw/*/microbit*.h F: tests/qtest/microbit-test.c +F: docs/system/arm/nrf.rst AVR Machines ------------- diff --git a/docs/system/arm/nrf.rst b/docs/system/arm/nrf.rst new file mode 100644 index 0000000000..e30aba8b06 --- /dev/null +++ b/docs/system/arm/nrf.rst @@ -0,0 +1,49 @@ +Nordic nRF boards (``microbit``) +================================ + +The `Nordic nRF`_ chips are a family of ARM-based System-on-Chip that +are designed to be used for low-power and short-range wireless solutions. + +.. _Nordic nRF: https://www.nordicsemi.com/Products + +The nRF51 series is the first series for short range wireless applications. +It is superseded by the nRF51 series. +The following machines are based on this chip : + +- ``microbit`` BBC micro:bit board with nRF51822 SoC + +There are other series such as nRF52, nRF53 and nRF91 which are currently not +supported by QEMU. + +Supported devices +----------------- + + * ARM Cortex-M0 (ARMv6-M) + * Serial ports (UART) + * Clock controller + * Timers + * Random Number Generator (RNG) + * GPIO controller + * NVMC + * SWI + +Missing devices +--------------- + + * Watchdog + * Real-Time Clock (RTC) controller + * TWI (i2c) + * SPI controller + * Analog to Digital Converter (ADC) + * Quadrature decoder + * Radio + +Boot options +------------ + +The Micro:bit machine can be started using the ``-device`` option to load a +firmware in hexadecimal format. Example: + +.. code-block:: bash + + $ qemu-system-arm -M microbit -device loader,file=test.hex diff --git a/docs/system/target-arm.rst b/docs/system/target-arm.rst index edd013c7bb..5277ac0242 100644 --- a/docs/system/target-arm.rst +++ b/docs/system/target-arm.rst @@ -87,6 +87,7 @@ undocumented; you can get a complete list by running arm/digic arm/musicpal arm/gumstix + arm/nrf arm/nseries arm/nuvoton arm/orangepi -- 2.25.1
next reply other threads:[~2021-06-19 10:03 UTC|newest] Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top 2021-06-19 9:57 Alexandre Iooss [this message] 2021-06-19 10:27 ` Philippe Mathieu-Daudé 2021-06-19 11:50 ` Alexandre IOOSS
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