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- .. SPDX-License-Identifier: GPL-2.0+
- U-Boot for Beelink GS-King-X (S922X)
- ====================================
- The Shenzen AZW (Beelink) GS-King-X is based on the Amlogic W400 reference board with an
- S922X-H chip and the following specifications:
- - 4GB LPDDR4 RAM
- - 64GB eMMC storage
- - 10/100/1000 Base-T Ethernet
- - AP6356S Wireless (802.11 a/b/g/n/ac, BT 4.1)
- - HDMI 2.1 video
- - S/PDIF optical output
- - 2x ESS9018 audio DACs
- - 4x Ricor RT6862 audio amps
- - Analogue headphone output
- - 1x USB 2.0 OTG port
- - 3x USB 3.0 ports
- - IR receiver
- - 1x micro SD card slot (internal)
- - USB SATA controller with 2x 3.5" drive bays
- - 1x Power on/off button
- Beelink do not provide public schematics, but have been willing to share them with known
- distro developers to assist with development.
- U-Boot Compilation
- ------------------
- .. code-block:: bash
- $ export CROSS_COMPILE=aarch64-none-elf-
- $ make beelink-gsking-x_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 beelink-s922x /path/to/u-boot/u-boot.bin my-output-dir
- U-Boot Manual Signing
- ---------------------
- Beelink released an Amlogic "SDK" dump in their forums but the U-Boot sources included
- result in 2GB RAM detected. The following FIPs were generated with newer sources and
- detect 4GB RAM: https://github.com/LibreELEC/amlogic-boot-fip/tree/master/beelink-s922x
- .. code-block:: bash
- $ wget https://github.com/LibreELEC/amlogic-boot-fip/archive/master.zip
- $ unzip master.zip
- $ export FIPDIR=$PWD/amlogic-boot-fip/beelink-s922x
- Go back to the mainline U-Boot source tree then:
- .. code-block:: bash
- $ mkdir fip
- $ cp $FIPDIR/* fip/
- $ cp u-boot.bin fip/bl33.bin
- $ sh fip/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
- $ sh fip/blx_fix.sh \
- fip/bl2.bin \
- fip/zero_tmp \
- fip/bl2_zero.bin \
- fip/acs.bin \
- fip/bl21_zero.bin \
- fip/bl2_new.bin \
- bl2
- $ fip/aml_encrypt_g12b --bl30sig --input fip/bl30_new.bin \
- --output fip/bl30_new.bin.g12a.enc \
- --level v3
- $ fip/aml_encrypt_g12b --bl3sig --input fip/bl30_new.bin.g12a.enc \
- --output fip/bl30_new.bin.enc \
- --level v3 --type bl30
- $ fip/aml_encrypt_g12b --bl3sig --input fip/bl31.img \
- --output fip/bl31.img.enc \
- --level v3 --type bl31
- $ fip/aml_encrypt_g12b --bl3sig --input fip/bl33.bin --compress lz4 \
- --output fip/bl33.bin.enc \
- --level v3 --type bl33
- $ fip/aml_encrypt_g12b --bl2sig --input fip/bl2_new.bin \
- --output fip/bl2.n.bin.sig
- $ fip/aml_encrypt_g12b --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 \
- --ddrfw1 fip/ddr4_1d.fw \
- --ddrfw2 fip/ddr4_2d.fw \
- --ddrfw3 fip/ddr3_1d.fw \
- --ddrfw4 fip/piei.fw \
- --ddrfw5 fip/lpddr4_1d.fw \
- --ddrfw6 fip/lpddr4_2d.fw \
- --ddrfw7 fip/diag_lpddr4.fw \
- --ddrfw8 fip/aml_ddr.fw \
- --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
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