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| -rw-r--r-- | MAINTAINERS | 1 | ||||
| -rw-r--r-- | docs/system/arm/nrf.rst | 51 | ||||
| -rw-r--r-- | docs/system/target-arm.rst | 1 |
3 files changed, 53 insertions, 0 deletions
diff --git a/MAINTAINERS b/MAINTAINERS index 0ca6b7de94..e8ba494c3f 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..eda87bd760 --- /dev/null +++ b/docs/system/arm/nrf.rst @@ -0,0 +1,51 @@ +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 +It is superseded by the nRF52 series.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 `ihex format`_. Example: + +.. _ihex format: https://en.wikipedia.org/wiki/Intel_HEX + +.. 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 8b8547f9a9..13b3eeaf07 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 |