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Improve documentation. Signed-off-by: Christian Hewitt <christianshewitt@gmail.com> Link: https://lore.kernel.org/r/20230320114609.930145-6-christianshewitt@gmail.com [narmstrong: fixed doc build] Signed-off-by: Neil Armstrong <neil.armstrong@linaro.org>
120 lines
3.9 KiB
ReStructuredText
120 lines
3.9 KiB
ReStructuredText
.. SPDX-License-Identifier: GPL-2.0+
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U-Boot for Beelink GT-King Pro (S922X)
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======================================
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The Shenzen AZW (Beelink) GT-King Pro is based on the Amlogic W400 reference board with
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an S922X-H chip and the following specifications:
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- 4GB LPDDR4 RAM
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- 64GB eMMC storage
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- 10/100/1000 Base-T Ethernet
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- AP6356S Wireless (802.11 a/b/g/n/ac, BT 4.1)
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- HDMI 2.1 video
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- Analogue audio output
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- 1x RS232 port
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- 2x USB 2.0 port
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- 2x USB 3.0 ports
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- IR receiver
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- 1x SD card slot
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- 1x Power on/off button
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Beelink do not provide public schematics, but have been willing to share them with known
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distro developers to assist with development.
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U-Boot Compilation
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------------------
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.. code-block:: bash
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$ export CROSS_COMPILE=aarch64-none-elf-
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$ make beelink-gtkingpro_defconfig
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$ make
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U-Boot Signing with Pre-Built FIP repo
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--------------------------------------
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.. code-block:: bash
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$ git clone https://github.com/LibreELEC/amlogic-boot-fip --depth=1
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$ cd amlogic-boot-fip
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$ mkdir my-output-dir
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$ ./build-fip.sh beelink-s922x /path/to/u-boot/u-boot.bin my-output-dir
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U-Boot Manual Signing
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---------------------
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Beelink released an Amlogic "SDK" dump in their forums, but the U-Boot sources included
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result in 2GB RAM detected. The following FIPs were generated with newer sources and
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detect 4GB RAM: https://github.com/LibreELEC/amlogic-boot-fip/tree/master/beelink-s922x
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.. code-block:: bash
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$ wget https://github.com/LibreELEC/amlogic-boot-fip/archive/master.zip
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$ unzip master.zip
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$ export FIPDIR=$PWD/amlogic-boot-fip/beelink-s922x
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Go back to the mainline U-Boot source tree then:
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.. code-block:: bash
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$ mkdir fip
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$ cp $FIPDIR/* fip/
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$ cp u-boot.bin fip/bl33.bin
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$ sh fip/blx_fix.sh \
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fip/bl30.bin \
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fip/zero_tmp \
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fip/bl30_zero.bin \
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fip/bl301.bin \
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fip/bl301_zero.bin \
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fip/bl30_new.bin \
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bl30
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$ sh fip/blx_fix.sh \
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fip/bl2.bin \
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fip/zero_tmp \
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fip/bl2_zero.bin \
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fip/acs.bin \
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fip/bl21_zero.bin \
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fip/bl2_new.bin \
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bl2
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$ fip/aml_encrypt_g12b --bl30sig --input fip/bl30_new.bin \
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--output fip/bl30_new.bin.g12a.enc \
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--level v3
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$ fip/aml_encrypt_g12b --bl3sig --input fip/bl30_new.bin.g12a.enc \
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--output fip/bl30_new.bin.enc \
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--level v3 --type bl30
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$ fip/aml_encrypt_g12b --bl3sig --input fip/bl31.img \
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--output fip/bl31.img.enc \
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--level v3 --type bl31
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$ fip/aml_encrypt_g12b --bl3sig --input fip/bl33.bin --compress lz4 \
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--output fip/bl33.bin.enc \
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--level v3 --type bl33
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$ fip/aml_encrypt_g12b --bl2sig --input fip/bl2_new.bin \
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--output fip/bl2.n.bin.sig
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$ fip/aml_encrypt_g12b --bootmk \
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--output fip/u-boot.bin \
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--bl2 fip/bl2.n.bin.sig \
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--bl30 fip/bl30_new.bin.enc \
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--bl31 fip/bl31.img.enc \
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--bl33 fip/bl33.bin.enc \
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--ddrfw1 fip/ddr4_1d.fw \
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--ddrfw2 fip/ddr4_2d.fw \
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--ddrfw3 fip/ddr3_1d.fw \
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--ddrfw4 fip/piei.fw \
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--ddrfw5 fip/lpddr4_1d.fw \
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--ddrfw6 fip/lpddr4_2d.fw \
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--ddrfw7 fip/diag_lpddr4.fw \
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--ddrfw8 fip/aml_ddr.fw \
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--level v3
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Then write U-Boot to SD or eMMC with:
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.. code-block:: bash
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$ DEV=/dev/boot_device
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$ dd if=fip/u-boot.bin.sd.bin of=$DEV conv=fsync,notrunc bs=512 skip=1 seek=1
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$ dd if=fip/u-boot.bin.sd.bin of=$DEV conv=fsync,notrunc bs=1 count=440
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