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- Intro
- =====
- The default configuration described below will allow you to start
- experimenting with the buildroot environment for the SolidRun Clearfog GT-8K
- based on the Marvell Armada 8040 SoC.
- This default configuration will bring up the board and allow shell command
- line access through the serial console.
- How to build
- ============
- $ make solidrun_clearfog_gt_8k_defconfig
- $ make
- How to write the SD card
- ========================
- Once the build process is finished you will have an image file named
- "sdcard.img" in the output/images/ directory.
- Copy the bootable "sdcard.img" onto an SD card with "dd":
- $ sudo dd if=output/images/sdcard.img of=/dev/sdX bs=1M conv=fsync
- How to boot the board
- =====================
- The Clearfog GT-8K can be setup to load the bootloader from different sources
- including eMMC, SPI flash, and SD-card.
- To select boot from SD-card the DIP switches in SW6 (at the bottom of the
- board) should be configured as follows:
- SW6: 11010
- Insert the micro SDcard in the Cleargfog GT-8K and power it up.
- Serial console
- ==============
- The serial console is accessible at the J27 pins header (TTL UART) with the
- following pinout (pin #1 is marked with triangle on the PCB):
- pin #1: Ground
- pin #2: Armada 8040 Rx
- pin #3: Armada 8040 Tx
- Enable the switch (yellow) Ethernet ports
- =========================================
- To enable the Clearfog GT-8K internal switch port make sure to load the
- 'mv88e6xxx' kernel module, and up the switch up-link port (eth2 by default):
- modprobe mv88e6xxx
- ifconfig eth2 up
- Then you can configure each switch port separately. These port are named
- 'lan1' to 'lan4' by default. 'lan1' is closest to the USB port, while 'lan4'
- is closest to the blue Ethernet port.
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