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https://github.com/brain-hackers/u-boot-brain
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This adds platform code for the Khadas VIM2 board based on a Meson GXM (S912) SoC with the Meson GXM configuration. This initial submission supports UART, MMC/SDCard and Ethernet. USB is partially supported. All the code is from Neil Armstrong! I just rebased the code, do some cleanup and tested on my board. Signed-off-by: Neil Armstrong <narmstrong@baylibre.com> Signed-off-by: Loic Devulder <ldevulder@suse.de> Acked-by: Neil Armstrong <narmstrong@baylibre.com> |
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| Kconfig | ||
| khadas-vim2.c | ||
| MAINTAINERS | ||
| Makefile | ||
| README | ||
U-Boot for Khadas VIM2 ======================= Khadas VIM2 is an Open Source DIY Box manufactured by Shenzhen Wesion Technology Co., Ltd with the following specifications: - Amlogic S912 ARM Cortex-A53 octo-core SoC @ 1.5GHz - ARM Mali T860 GPU - 2/3GB DDR4 SDRAM - 10/100/1000 Ethernet - HDMI 2.0 4K/60Hz display - 40-pin GPIO header - 2 x USB 2.0 Host, 1 x USB 2.0 Type-C OTG - 16GB/32GB/64GB eMMC - 2MB SPI Flash - microSD - SDIO Wifi Module, Bluetooth - Two channels IR receiver Currently the u-boot port supports the following devices: - serial - eMMC, microSD - Ethernet - I2C - Regulators - Reset controller - Clock controller - USB Host - ADC U-Boot compilation ================== > export ARCH=arm > export CROSS_COMPILE=aarch64-none-elf- > make khadas-vim2_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: > 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:$PATH > git clone https://github.com/khadas/u-boot -b Vim vim-u-boot > cd vim-u-boot > make kvim_defconfig > make > export FIPDIR=$PWD/fip Go back to mainline U-Boot source tree then : > mkdir fip > cp $FIPDIR/gxl/bl2.bin fip/ > cp $FIPDIR/gxl/acs.bin fip/ > cp $FIPDIR/gxl/bl21.bin fip/ > cp $FIPDIR/gxl/bl30.bin fip/ > cp $FIPDIR/gxl/bl301.bin fip/ > cp $FIPDIR/gxl/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 > 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 > $FIPDIR/gxl/aml_encrypt_gxl --bl3enc --input fip/bl30_new.bin > $FIPDIR/gxl/aml_encrypt_gxl --bl3enc --input fip/bl31.img > $FIPDIR/gxl/aml_encrypt_gxl --bl3enc --input fip/bl33.bin > $FIPDIR/gxl/aml_encrypt_gxl --bl2sig --input fip/bl2_new.bin --output fip/bl2.n.bin.sig > $FIPDIR/gxl/aml_encrypt_gxl --bootmk \ --output fip/u-boot.bin \ --bl2 fip/bl2.n.bin.sig \ --bl30 fip/bl30_new.bin.enc \ --bl31 fip/bl31.img.enc \ --bl33 fip/bl33.bin.enc and then write the image to SD with: > DEV=/dev/your_sd_device > dd if=fip/u-boot.bin.sd.bin of=$DEV conv=fsync,notrunc bs=512 skip=1 seek=1 > dd if=fip/u-boot.bin.sd.bin of=$DEV conv=fsync,notrunc bs=1 count=444