mirror of
https://github.com/AsahiLinux/u-boot
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111 lines
3.8 KiB
ReStructuredText
111 lines
3.8 KiB
ReStructuredText
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.. SPDX-License-Identifier: GPL-2.0+
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U-Boot for Beelink GT1 Ultimate (S912)
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======================================
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Beelink GT1 Ultimate is an Android STB manufactured by Shenzen AZW (Beelink) with the
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following specification:
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- 2GB or 3GB DDR3 RAM
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- 32GB eMMC
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- HDMI 2.1 video
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- S/PDIF optical output
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- 10/100/1000 Ethernet
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- AP6356S Wireless (802.11 a/b/g/n/ac, BT 4.2)
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- 3x USB 2.0 ports
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- IR receiver
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- 1x micro SD card slot
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- 1x Power LED (white)
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- 1x Reset button (internal)
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The GT1 (non-ultimate) board has QCA9377 WiFi/BT but is otherwise identical and should
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be capable of booting images prepared for the Ultimate box (NB: there are known clones
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of both boxes which may differ in specifications).
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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 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-gt1-ultimate_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-gt1 /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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Amlogic does not provide firmware sources or tools needed to create the bootloader image
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and Beelink has not publicly shared the U-Boot sources needed to build the FIP binaries
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for signing. However you can download them from the amlogic-fip-repo.
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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/beelink-gt1
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$ export FIPDIR=$PWD
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Go back to the mainline U-Boot source tree then:
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.. code-block:: bash
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$ mkdir fip
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$ cp $FIPDIR/bl2.bin fip/
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$ cp $FIPDIR/acs.bin fip/
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$ cp $FIPDIR/bl21.bin fip/
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$ cp $FIPDIR/bl30.bin fip/
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$ cp $FIPDIR/bl301.bin fip/
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$ cp $FIPDIR/bl31.img fip/
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$ cp u-boot.bin fip/bl33.bin
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$ $FIPDIR/blx_fix.sh \
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fip/bl30.bin \
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fip/zero_tmp \
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fip/bl30_zero.bin \
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fip/bl301.bin \
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fip/bl301_zero.bin \
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fip/bl30_new.bin \
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bl30
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$ python $FIPDIR/acs_tool.pyc fip/bl2.bin fip/bl2_acs.bin fip/acs.bin 0
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$ $FIPDIR/blx_fix.sh \
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fip/bl2_acs.bin \
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fip/zero_tmp \
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fip/bl2_zero.bin \
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fip/bl21.bin \
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fip/bl21_zero.bin \
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fip/bl2_new.bin \
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bl2
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$ $FIPDIR/aml_encrypt_gxl --bl3enc --input fip/bl30_new.bin
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$ $FIPDIR/aml_encrypt_gxl --bl3enc --input fip/bl31.img
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$ $FIPDIR/aml_encrypt_gxl --bl3enc --input fip/bl33.bin
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$ $FIPDIR/aml_encrypt_gxl --bl2sig --input fip/bl2_new.bin --output fip/bl2.n.bin.sig
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$ $FIPDIR/aml_encrypt_gxl --bootmk \
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--output fip/u-boot.bin \
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--bl2 fip/bl2.n.bin.sig \
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--bl30 fip/bl30_new.bin.enc \
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--bl31 fip/bl31.img.enc \
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--bl33 fip/bl33.bin.enc
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Then write U-Boot to SD or eMMC with:
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.. code-block:: bash
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$ 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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