1.. rpi_4b: 2 3Raspberry Pi 4 Model B (Cortex-A72) 4################################### 5 6Overview 7******** 8see <https://www.raspberrypi.com/products/raspberry-pi-4-model-b/specifications/> 9 10Hardware 11******** 12see <https://www.raspberrypi.com/documentation/computers/raspberry-pi.html> 13 14Supported Features 15================== 16The Raspberry Pi 4 Model B board configuration supports the following 17hardware features: 18 19+-----------+------------+--------------------------------------+ 20| Interface | Controller | Driver/Component | 21+===========+============+======================================+ 22| GIC-400 | on-chip | GICv2 interrupt controller | 23+-----------+------------+--------------------------------------+ 24| UART | on-chip | Mini uart serial port | 25+-----------+------------+--------------------------------------+ 26 27Other hardware features have not been enabled yet for this board. 28 29The default configuration can be found in the defconfig file: 30 31 ``boards/arm/rpi_4b/rpi_4b_defconfig`` 32 33Programming and Debugging 34************************* 35 36Flashing 37======== 38 391. Install Raspberry Pi OS using Raspberry Pi Imager. see <https://www.raspberrypi.com/software/>. 40 412. add `kernel=zephyr.bin` in `config.txt`. see <https://www.raspberrypi.com/documentation/computers/config_txt.html#kernel> 42 43.. code-block:: console 44 45 *** Booting Zephyr OS build XXXXXXXXXXXX *** 46 Hello World! Raspberry Pi 4 Model B! 47