diff options
Diffstat (limited to 'doc/board/amlogic/nanopi-k2.rst')
| -rw-r--r-- | doc/board/amlogic/nanopi-k2.rst | 104 |
1 files changed, 104 insertions, 0 deletions
diff --git a/doc/board/amlogic/nanopi-k2.rst b/doc/board/amlogic/nanopi-k2.rst new file mode 100644 index 0000000000..1222ee4e85 --- /dev/null +++ b/doc/board/amlogic/nanopi-k2.rst @@ -0,0 +1,104 @@ +.. SPDX-License-Identifier: GPL-2.0+ + +U-Boot for NanoPi-K2 +==================== + +NanoPi-K2 is a single board computer manufactured by FriendlyElec +with the following specifications: + + - Amlogic S905 ARM Cortex-A53 quad-core SoC @ 1.5GHz + - ARM Mali 450 GPU + - 2GB DDR3 SDRAM + - Gigabit Ethernet + - HDMI 2.0 4K/60Hz display + - 40-pin GPIO header + - 4 x USB 2.0 Host, 1 x USB OTG + - eMMC, microSD + - Infrared receiver + +Schematics are available on the manufacturer website. + +U-Boot compilation +------------------ + +.. code-block:: bash + + $ export CROSS_COMPILE=aarch64-none-elf- + $ make nanopi-k2_defconfig + $ make + +Image creation +-------------- + +Amlogic doesn't provide sources for the firmware and for tools needed +to create the bootloader image, so it is necessary to obtain them from +the git tree published by the board vendor: + +.. code-block:: bash + + $ wget https://releases.linaro.org/archive/13.11/components/toolchain/binaries/gcc-linaro-aarch64-none-elf-4.8-2013.11_linux.tar.xz + $ wget https://releases.linaro.org/archive/13.11/components/toolchain/binaries/gcc-linaro-arm-none-eabi-4.8-2013.11_linux.tar.xz + $ tar xvfJ gcc-linaro-aarch64-none-elf-4.8-2013.11_linux.tar.xz + $ tar xvfJ gcc-linaro-arm-none-eabi-4.8-2013.11_linux.tar.xz + $ export PATH=$PWD/gcc-linaro-aarch64-none-elf-4.8-2013.11_linux/bin:$PWD/gcc-linaro-arm-none-eabi-4.8-2013.11_linux/bin:$PATH + $ git clone https://github.com/BayLibre/u-boot.git -b libretech-cc amlogic-u-boot + $ git clone https://github.com/friendlyarm/u-boot.git -b nanopi-k2-v2015.01 amlogic-u-boot + $ cd amlogic-u-boot + $ sed -i 's/aarch64-linux-gnu-/aarch64-none-elf-/' Makefile + $ sed -i 's/arm-linux-/arm-none-eabi-/' arch/arm/cpu/armv8/gxb/firmware/scp_task/Makefile + $ make nanopi-k2_defconfig + $ make + $ export FIPDIR=$PWD/fip + +Go back to mainline U-Boot source tree then : + +.. code-block:: bash + + $ mkdir fip + + $ cp $FIPDIR/gxb/bl2.bin fip/ + $ cp $FIPDIR/gxb/acs.bin fip/ + $ cp $FIPDIR/gxb/bl21.bin fip/ + $ cp $FIPDIR/gxb/bl30.bin fip/ + $ cp $FIPDIR/gxb/bl301.bin fip/ + $ cp $FIPDIR/gxb/bl31.img fip/ + $ cp u-boot.bin fip/bl33.bin + + $ $FIPDIR/blx_fix.sh \ + fip/bl30.bin \ + fip/zero_tmp \ + fip/bl30_zero.bin \ + fip/bl301.bin \ + fip/bl301_zero.bin \ + fip/bl30_new.bin \ + bl30 + + $ $FIPDIR/fip_create \ + --bl30 fip/bl30_new.bin \ + --bl31 fip/bl31.img \ + --bl33 fip/bl33.bin \ + fip/fip.bin + + $ python $FIPDIR/acs_tool.pyc fip/bl2.bin fip/bl2_acs.bin fip/acs.bin 0 + + $ $FIPDIR/blx_fix.sh \ + fip/bl2_acs.bin \ + fip/zero_tmp \ + fip/bl2_zero.bin \ + fip/bl21.bin \ + fip/bl21_zero.bin \ + fip/bl2_new.bin \ + bl2 + + $ cat fip/bl2_new.bin fip/fip.bin > fip/boot_new.bin + + $ $FIPDIR/gxb/aml_encrypt_gxb --bootsig \ + --input fip/boot_new.bin + --output fip/u-boot.bin + +and then write the image to SD with: + +.. code-block:: bash + + $ DEV=/dev/your_sd_device + $ dd if=fip/u-boot.bin of=$DEV conv=fsync,notrunc bs=512 seek=1 |