mirror of
https://github.com/AsahiLinux/u-boot
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116 lines
3.2 KiB
ReStructuredText
116 lines
3.2 KiB
ReStructuredText
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.. SPDX-License-Identifier: GPL-2.0+
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U-Boot for Beelink GT-King
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==========================
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The Shenzen AZW (Beelink) GT-King is based on the Amlogic W400 reference
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board with an S922X-H chip.
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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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- S/PDIF optical output
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- Analogue audio output
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- 1x USB 2.0 port
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- 2x USB 3.0 ports
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- IR receiver
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- 1x micro SD card slot
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Beelink do not provide public schematics, but have been willing
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to share them with known distro developers on request.
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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-gtking_defconfig
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$ make
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Image creation
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--------------
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Amlogic does not provide sources for the firmware and for tools needed
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to create the bootloader image. Beelink have provided the Amlogic "SDK"
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in their forums, but the u-boot sources included result in 2GB RAM being
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detected. The following FIPs were generated with newer private sources
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and give correct (4GB) RAM detection:
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https://github.com/LibreELEC/amlogic-boot-fip/tree/master/beelink-s922x
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NB: Beelink use a common board config for GT-King, GT-King Pro and the
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GS-King-X model, hence the "beelink-s922x" name.
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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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and then write the image to SD with:
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.. code-block:: bash
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$ DEV=/dev/your_sd_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=444
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