orangepi3
By Igor Pečovnik / General purpose / 0 Comments

Orange Pi 3

  • PCIe port is not supported: Allwinner H6 has a quirky PCIe controller that doesn’t map the PCIe address space properly to CPU, and accessing the PCIe config space, IO space or memory space will need to be wrapped. As Linux doesn’t wrap PCIe memory space access, it’s not possible to do a proper PCIe controller driver for H6. The BSP kernel modifies the driver to wrap the access, so it’s also not generic, and only devices with modified driver will work. Armbian does not support BSP based kernels. You can find more information here and here.
orangepi-rk3399
By Igor Pečovnik / General purposeNASDesktop / 0 Comments

Orange Pi RK3399

  • UART has unusual speed: 1500000
  • boot from SD card is possible by shorting TP50265 to the ground and powering the board. After Armbian boots up, you can overwrite eMMC. You need to do this procedure only once or in case you totally brick your system.
  • once you have Armbian booting from eMMC, you can boot SD card in more simple manner: stop booting from UART console and execute those commands: setenv devnum 1 followed by run mmc_boot
  • you need to use EXPERT="yes" to build kernel or images.