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| author | Christian Hewitt <christianshewitt@gmail.com> | 2023-03-20 11:45:51 +0000 |
|---|---|---|
| committer | Neil Armstrong <neil.armstrong@linaro.org> | 2023-04-17 11:06:08 +0200 |
| commit | 1181e20c433c456f262883b377808c69aed35647 (patch) | |
| tree | 76f7c6c2938a3a1fb92c32227a063e4e4171108a | |
| parent | 9312ff02e2d6e4a4f8c132f61a00f54bbedcbe1f (diff) | |
| download | u-boot-1181e20c433c456f262883b377808c69aed35647.zip u-boot-1181e20c433c456f262883b377808c69aed35647.tar.gz u-boot-1181e20c433c456f262883b377808c69aed35647.tar.bz2 | |
doc: boards: amlogic: update documentation for ODROID-C2
Improve documentation.
Signed-off-by: Christian Hewitt <christianshewitt@gmail.com>
Link: https://lore.kernel.org/r/20230320114609.930145-16-christianshewitt@gmail.com
[narmstrong: fixed doc build]
Signed-off-by: Neil Armstrong <neil.armstrong@linaro.org>
| -rw-r--r-- | doc/board/amlogic/odroid-c2.rst | 55 |
1 files changed, 31 insertions, 24 deletions
diff --git a/doc/board/amlogic/odroid-c2.rst b/doc/board/amlogic/odroid-c2.rst index 8a1be4b..922ab0c 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 +27,45 @@ 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 |