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doc: boards: amlogic: update documentation for JetHub J100

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Improve documentation.

Signed-off-by: Christian Hewitt <christianshewitt@gmail.com>
Link: https://lore.kernel.org/r/20230320114609.930145-7-christianshewitt@gmail.com
[narmstrong: fixed doc build]
Signed-off-by: Neil Armstrong <neil.armstrong@linaro.org>
This commit is contained in:
Christian Hewitt
2023-03-20 11:45:42 +00:00
committed by Neil Armstrong
parent be29982656
commit 430a94db7d
1 changed files with 36 additions and 31 deletions
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43
doc/board/amlogic/jethub-j100.rst
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@@ -1,11 +1,10 @@
.. SPDX-License-Identifier: GPL-2.0+
U-Boot for JetHub J100
=======================
U-Boot for JetHub J100 (A113X)
==============================
JetHome Jethub D1 (http://jethome.ru/jethub-d1) is a series of home
automation controller manufactured by JetHome with the following
specifications:
JetHome Jethub D1 (http://jethome.ru/jethub-d1) is a home automation controller device
manufactured by JetHome with the following specifications:
- Amlogic A113X (ARM Cortex-A53) quad-core up to 1.5GHz
- no video out
@@ -22,16 +21,15 @@ specifications:
- DC source with a voltage of 9 to 56 V / Passive POE
- DIN Rail Mounting case
Basic version also has:
The basic version also has:
- TI CC2538 + CC2592 Zigbee Wireless Module with up to 20dBm output
power and Zigbee 3.0 support.
- TI CC2538 + CC2592 Zigbee Wireless with upto 20dBm output power and Zigbee 3.0
- 1 x 1-Wire
- 2 x RS-485
- 4 x dry contact digital GPIO inputs
- 3 x relay GPIO outputs
U-Boot compilation
U-Boot Compilation
------------------
.. code-block:: bash
@@ -40,14 +38,21 @@ U-Boot compilation
$ make jethub_j100_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-j100`
.. code-block:: bash
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:
$ git clone https://github.com/LibreELEC/amlogic-boot-fip --depth=1
$ cd amlogic-boot-fip
$ mkdir my-output-dir
$ ./build-fip.sh jethub-j100 /path/to/u-boot/u-boot.bin my-output-dir
U-Boot Manual Signing
---------------------
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
@@ -55,7 +60,7 @@ 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
@@ -107,10 +112,10 @@ Go back to mainline U-boot source tree then :
--bl31 fip/bl31.img.enc \
--bl33 fip/bl33.bin.enc --level v3
and then write the image to eMMC with:
Then write U-Boot to SD or eMMC with:
.. code-block:: bash
$ DEV=/dev/your_emmc_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