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| author | Christian Hewitt <christianshewitt@gmail.com> | 2023-03-20 11:45:43 +0000 |
|---|---|---|
| committer | Neil Armstrong <neil.armstrong@linaro.org> | 2023-04-17 11:06:08 +0200 |
| commit | 042048dc8d91a03f5a200f90a54822d5b0737d43 (patch) | |
| tree | cad63c15f223ed36ef7e039b5b39a2d86c110464 | |
| parent | 430a94db7da78b34111e05ea5e564c485de00ac7 (diff) | |
| download | u-boot-042048dc8d91a03f5a200f90a54822d5b0737d43.zip u-boot-042048dc8d91a03f5a200f90a54822d5b0737d43.tar.gz u-boot-042048dc8d91a03f5a200f90a54822d5b0737d43.tar.bz2 | |
doc: boards: amlogic: update documentation for JetHub J80
Improve documentation.
Signed-off-by: Christian Hewitt <christianshewitt@gmail.com>
Link: https://lore.kernel.org/r/20230320114609.930145-8-christianshewitt@gmail.com
[narmstrong: fixed doc build]
Signed-off-by: Neil Armstrong <neil.armstrong@linaro.org>
| -rw-r--r-- | doc/board/amlogic/jethub-j80.rst | 47 |
1 files changed, 27 insertions, 20 deletions
diff --git a/doc/board/amlogic/jethub-j80.rst b/doc/board/amlogic/jethub-j80.rst index f669a01..9195df6 100644 --- a/doc/board/amlogic/jethub-j80.rst +++ b/doc/board/amlogic/jethub-j80.rst @@ -1,10 +1,10 @@ .. SPDX-License-Identifier: GPL-2.0+ -U-Boot for JetHub J80 -====================== +U-Boot for JetHub J80 (S905W) +============================= -JetHome Jethub H1 (http://jethome.ru/jethub-h1) is a home automation -controller manufactured by JetHome with the following specifications: +JetHome Jethub H1 (http://jethome.ru/jethub-h1) is a home automation controller device +manufactured by JetHome with the following specifications: - Amlogic S905W (ARM Cortex-A53) quad-core up to 1.5GHz - No video out @@ -21,7 +21,7 @@ controller manufactured by JetHome with the following specifications: - DC source 5V microUSB - Square plastic case -U-Boot compilation +U-Boot Compilation ------------------ .. code-block:: bash @@ -30,14 +30,21 @@ U-Boot compilation $ make jethub_j80_defconfig $ make -Image creation --------------- +U-Boot Signing with Pre-Built FIP repo +-------------------------------------- -For simplified usage, pleaser refer to :doc:`pre-generated-fip` with codename `jethub-j80` +.. 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 jethub-j80 /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 binaries -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 @@ -45,7 +52,7 @@ from the git tree published by the board vendor: $ cd jethub-u-boot $ export FIPDIR=$PWD -Go back to mainline U-Boot source tree then : +Go back to the mainline U-Boot source tree then: .. code-block:: bash @@ -84,16 +91,16 @@ Go back to mainline U-Boot source tree then : $ $FIPDIR/j80/aml_encrypt_gxl --bl3enc --input fip/bl33.bin --compress lz4 $ $FIPDIR/j80/aml_encrypt_gxl --bl2sig --input fip/bl2_new.bin --output fip/bl2.n.bin.sig $ $FIPDIR/j80/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 + --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/eMMC with: +Then write U-Boot to SD or eMMC with: .. code-block:: bash - $ DEV=/dev/your_sd_device + $ DEV=/dev/boot_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 + $ dd if=fip/u-boot.bin.sd.bin of=$DEV conv=fsync,notrunc bs=1 count=440 |