| .. SPDX-License-Identifier: GPL-2.0+ |
| |
| U-Boot for JetHub J100 (A113X) |
| ============================== |
| |
| 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 |
| - 512MB/1GB DDR3 or 2GB DDR4 SDRAM |
| - 8/16/32GB eMMC flash |
| - 1 x USB 2.0 |
| - 1 x 10/100Mbps ethernet |
| - WiFi / Bluetooth one from: |
| - AMPAK AP6255 (Broadcom BCM43455) IEEE 802.11a/b/g/n/ac, Bluetooth 4.2 |
| - RTL8822CS IEEE 802.11a/b/g/n/ac, Bluetooth 5.0 |
| - Amlogic W155S1 WiFi5 IEEE 802.11a/b/g/n/ac, Bluetooth 5.2 |
| - 2 x gpio LEDS |
| - GPIO user Button |
| - DC source with a voltage of 9 to 56 V / Passive POE |
| - DIN Rail Mounting case |
| |
| The basic version also has: |
| |
| - 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 |
| ------------------ |
| |
| .. code-block:: bash |
| |
| $ export CROSS_COMPILE=aarch64-none-elf- |
| $ make jethub_j100_defconfig |
| $ make |
| |
| U-Boot Signing with Pre-Built FIP repo |
| -------------------------------------- |
| |
| .. 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 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 |
| |
| $ git clone https://github.com/jethome-ru/jethub-aml-tools jethub-u-boot |
| $ cd jethub-u-boot |
| $ export FIPDIR=$PWD |
| |
| Go back to the mainline U-Boot source tree then: |
| |
| .. code-block:: bash |
| |
| $ mkdir fip |
| |
| $ cp $FIPDIR/j100/bl2.bin fip/ |
| $ cp $FIPDIR/j100/acs.bin fip/ |
| $ cp $FIPDIR/j100/bl21.bin fip/ |
| $ cp $FIPDIR/j100/bl30.bin fip/ |
| $ cp $FIPDIR/j100/bl301.bin fip/ |
| $ cp $FIPDIR/j100/bl31.img fip/ |
| $ cp u-boot.bin fip/bl33.bin |
| |
| $ $FIPDIR/blx_fix.sh \ |
| fip/bl30.bin \ |
| fip/zero_tmp \ |
| fip/bl30_zero.bin \ |
| fip/bl301.bin \ |
| fip/bl301_zero.bin \ |
| fip/bl30_new.bin \ |
| bl30 |
| |
| $ $FIPDIR/acs_tool.pyc fip/bl2.bin fip/bl2_acs.bin fip/acs.bin 0 |
| |
| $ $FIPDIR/blx_fix.sh \ |
| fip/bl2_acs.bin \ |
| fip/zero_tmp \ |
| fip/bl2_zero.bin \ |
| fip/bl21.bin \ |
| fip/bl21_zero.bin \ |
| fip/bl2_new.bin \ |
| bl2 |
| |
| $ $FIPDIR/j100/aml_encrypt_axg --bl3sig --input fip/bl30_new.bin \ |
| --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 |
| $ $FIPDIR/j100/aml_encrypt_axg --bl3sig --input fip/bl33.bin --compress lz4 \ |
| --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 |
| $ $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 |
| |
| Then write U-Boot to SD or eMMC with: |
| |
| .. code-block:: bash |
| |
| $ 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=440 |