Improve documentation.
Signed-off-by: Christian Hewitt christianshewitt@gmail.com --- doc/board/amlogic/odroid-c2.rst | 54 ++++++++++++++++++--------------- 1 file changed, 30 insertions(+), 24 deletions(-)
diff --git a/doc/board/amlogic/odroid-c2.rst b/doc/board/amlogic/odroid-c2.rst index 8a1be4bf55..82eea3820e 100644 --- a/doc/board/amlogic/odroid-c2.rst +++ b/doc/board/amlogic/odroid-c2.rst @@ -1,12 +1,12 @@ .. SPDX-License-Identifier: GPL-2.0+
-U-Boot for ODROID-C2 -==================== +U-Boot for ODROID-C2 (S905) +===========================
-ODROID-C2 is a single board computer manufactured by Hardkernel -Co. Ltd with the following specifications: +ODROID-C2 is a single board computer manufactured by Hardkernel with the following +specifications:
- - Amlogic S905 ARM Cortex-A53 quad-core SoC @ 2GHz + - Amlogic S905 ARM Cortex-A53 quad-core SoC @ 1.5GHz - ARM Mali 450 GPU - 2GB DDR3 SDRAM - Gigabit Ethernet @@ -16,9 +16,9 @@ Co. Ltd with the following specifications: - eMMC, microSD - Infrared receiver
-Schematics are available on the manufacturer website. +Schematics are available on the manufacturer website: https://wiki.odroid.com
-U-Boot compilation +U-Boot Compilation ------------------
.. code-block:: bash @@ -27,38 +27,44 @@ U-Boot compilation $ make odroid-c2_defconfig $ make
-Image creation --------------- +U-Boot Signing with Pre-Built FIP repo +--------------------------------------
-For simplified usage, pleaser refer to :doc:`pre-generated-fip` with codename `odroid-c2` +.. code-block:: bash + $ git clone https://github.com/LibreELEC/amlogic-boot-fip --depth=1 + $ cd amlogic-boot-fip + $ mkdir my-output-dir + $ ./build-fip.sh odroid-c2 /path/to/u-boot/u-boot.bin my-output-dir + +U-Boot Manual Signing +---------------------
-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: +Amlogic does not provide sources for the firmware and tools needed to create a bootloader +image so it is necessary to obtain binaries from sources published by the board vendor:
.. code-block:: bash
$ DIR=odroid-c2 - $ git clone --depth 1 \ - https://github.com/hardkernel/u-boot.git -b odroidc2-v2015.01 \ - $DIR + $ git clone --depth 1 https://github.com/hardkernel/u-boot.git -b odroidc2-v2015.01 $DIR + $ $DIR/fip/fip_create --bl30 $DIR/fip/gxb/bl30.bin \ - --bl301 $DIR/fip/gxb/bl301.bin \ - --bl31 $DIR/fip/gxb/bl31.bin \ - --bl33 u-boot.bin \ - $DIR/fip.bin + --bl301 $DIR/fip/gxb/bl301.bin \ + --bl31 $DIR/fip/gxb/bl31.bin \ + --bl33 u-boot.bin \ + $DIR/fip.bin + $ $DIR/fip/fip_create --dump $DIR/fip.bin $ cat $DIR/fip/gxb/bl2.package $DIR/fip.bin > $DIR/boot_new.bin $ $DIR/fip/gxb/aml_encrypt_gxb --bootsig \ - --input $DIR/boot_new.bin \ - --output $DIR/u-boot.img + --input $DIR/boot_new.bin \ + --output $DIR/u-boot.img $ dd if=$DIR/u-boot.img of=$DIR/u-boot.gxbb bs=512 skip=96
-and then write the image to SD with: +Then write U-Boot to SD or eMMC with:
.. code-block:: bash
- $ DEV=/dev/your_sd_device + $ DEV=/dev/your_boot_device $ BL1=$DIR/sd_fuse/bl1.bin.hardkernel $ dd if=$BL1 of=$DEV conv=fsync bs=1 count=442 $ dd if=$BL1 of=$DEV conv=fsync bs=512 skip=1 seek=1