@@ -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 +38,20 @@ 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
+ $ 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 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
@@ -55,7 +59,7 @@ 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
@@ -90,27 +94,27 @@ Go back to mainline U-boot source tree then :
bl2
$ $FIPDIR/j100/aml_encrypt_axg --bl3sig --input fip/bl30_new.bin \
- --output fip/bl30_new.bin.enc \
- --level v3 --type bl30
+ --output fip/bl30_new.bin.enc \
+ --level v3 --type bl30
$ $FIPDIR/j100/aml_encrypt_axg --bl3sig --input fip/bl31.img \
- --output fip/bl31.img.enc \
- --level v3 --type bl31
+ --output fip/bl31.img.enc \
+ --level v3 --type bl31
$ $FIPDIR/j100/aml_encrypt_axg --bl3sig --input fip/bl33.bin --compress lz4 \
- --output fip/bl33.bin.enc \
- --level v3 --type bl33
+ --output fip/bl33.bin.enc \
+ --level v3 --type bl33
$ $FIPDIR/j100/aml_encrypt_axg --bl2sig --input fip/bl2_new.bin \
- --output fip/bl2.n.bin.sig
+ --output fip/bl2.n.bin.sig
$ $FIPDIR/j100/aml_encrypt_axg --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 --level v3
+ --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 --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
Improve documentation. Signed-off-by: Christian Hewitt <christianshewitt@gmail.com> --- doc/board/amlogic/jethub-j100.rst | 66 ++++++++++++++++--------------- 1 file changed, 35 insertions(+), 31 deletions(-)