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doc: boards: amlogic: update documentation for S400
Improve documentation. Signed-off-by: Christian Hewitt <christianshewitt@gmail.com> Link: https://lore.kernel.org/r/20230320114609.930145-25-christianshewitt@gmail.com [narmstrong: fixed doc build] Signed-off-by: Neil Armstrong <neil.armstrong@linaro.org>
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Christian Hewitt
Neil Armstrong
parent
16fa2c4238
commit
1437ff3b95
@ -1,15 +1,14 @@
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.. SPDX-License-Identifier: GPL-2.0+
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.. SPDX-License-Identifier: GPL-2.0+
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U-Boot for Amlogic S400
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U-Boot for Amlogic S400 (A113X)
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=======================
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===============================
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S400 is a reference board manufactured by Amlogic with the following
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S400 is a reference board manufactured by Amlogic with the following specifications:
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specifications:
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- Amlogic A113DX ARM Cortex-A53 quad-core SoC @ 1.2GHz
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- Amlogic A113X ARM Cortex-A53 quad-core SoC @ 1.2GHz
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- 1GB DDR4 SDRAM
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- 1GB DDR4 SDRAM
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- 10/100 Ethernet
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- 10/100 Ethernet
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- 2 x USB 2.0 Host
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- 2x USB 2.0 Host
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- eMMC
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- eMMC
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- Infrared receiver
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- Infrared receiver
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- SDIO WiFi Module
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- SDIO WiFi Module
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@ -19,7 +18,7 @@ specifications:
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Schematics are available from Amlogic on demand.
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Schematics are available from Amlogic on demand.
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U-Boot compilation
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U-Boot Compilation
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------------------
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------------------
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.. code-block:: bash
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.. code-block:: bash
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@ -28,14 +27,21 @@ U-Boot compilation
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$ make s400_defconfig
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$ make s400_defconfig
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$ make
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$ make
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Image creation
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U-Boot Signing with Pre-Built FIP repo
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--------------
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--------------------------------------
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For simplified usage, pleaser refer to :doc:`pre-generated-fip` with codename `s400`
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.. code-block:: bash
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Amlogic doesn't provide sources for the firmware and for tools needed
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$ git clone https://github.com/LibreELEC/amlogic-boot-fip --depth=1
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to create the bootloader image, so it is necessary to obtain them from
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$ cd amlogic-boot-fip
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the git tree published by the board vendor:
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$ mkdir my-output-dir
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$ ./build-fip.sh s400 /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 sources for the firmware and tools needed to create a bootloader
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image but sources have been shared by Linux development contractor, Baylibre:
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.. code-block:: bash
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.. code-block:: bash
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@ -65,47 +71,47 @@ Go back to mainline U-boot source tree then :
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$ cp u-boot.bin fip/bl33.bin
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$ cp u-boot.bin fip/bl33.bin
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$ $FIPDIR/blx_fix.sh \
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$ $FIPDIR/blx_fix.sh \
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fip/bl30.bin \
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fip/bl30.bin \
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fip/zero_tmp \
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fip/zero_tmp \
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fip/bl30_zero.bin \
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fip/bl30_zero.bin \
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fip/bl301.bin \
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fip/bl301.bin \
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fip/bl301_zero.bin \
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fip/bl301_zero.bin \
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fip/bl30_new.bin \
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fip/bl30_new.bin \
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bl30
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bl30
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$ $FIPDIR/acs_tool.pyc fip/bl2.bin fip/bl2_acs.bin fip/acs.bin 0
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$ $FIPDIR/acs_tool.pyc fip/bl2.bin fip/bl2_acs.bin fip/acs.bin 0
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$ $FIPDIR/blx_fix.sh \
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$ $FIPDIR/blx_fix.sh \
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fip/bl2_acs.bin \
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fip/bl2_acs.bin \
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fip/zero_tmp \
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fip/zero_tmp \
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fip/bl2_zero.bin \
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fip/bl2_zero.bin \
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fip/bl21.bin \
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fip/bl21.bin \
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fip/bl21_zero.bin \
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fip/bl21_zero.bin \
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fip/bl2_new.bin \
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fip/bl2_new.bin \
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bl2
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bl2
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$ $FIPDIR/axg/aml_encrypt_axg --bl3sig --input fip/bl30_new.bin \
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$ $FIPDIR/axg/aml_encrypt_axg --bl3sig --input fip/bl30_new.bin \
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--output fip/bl30_new.bin.enc \
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--output fip/bl30_new.bin.enc \
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--level v3 --type bl30
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--level v3 --type bl30
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$ $FIPDIR/axg/aml_encrypt_axg --bl3sig --input fip/bl31.img \
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$ $FIPDIR/axg/aml_encrypt_axg --bl3sig --input fip/bl31.img \
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--output fip/bl31.img.enc \
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--output fip/bl31.img.enc \
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--level v3 --type bl31
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--level v3 --type bl31
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$ $FIPDIR/axg/aml_encrypt_axg --bl3sig --input fip/bl33.bin --compress lz4 \
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$ $FIPDIR/axg/aml_encrypt_axg --bl3sig --input fip/bl33.bin --compress lz4 \
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--output fip/bl33.bin.enc \
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--output fip/bl33.bin.enc \
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--level v3 --type bl33
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--level v3 --type bl33
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$ $FIPDIR/axg/aml_encrypt_axg --bl2sig --input fip/bl2_new.bin \
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$ $FIPDIR/axg/aml_encrypt_axg --bl2sig --input fip/bl2_new.bin \
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--output fip/bl2.n.bin.sig
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--output fip/bl2.n.bin.sig
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$ $FIPDIR/axg/aml_encrypt_axg --bootmk \
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$ $FIPDIR/axg/aml_encrypt_axg --bootmk \
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--output fip/u-boot.bin \
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--output fip/u-boot.bin \
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--bl2 fip/bl2.n.bin.sig \
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--bl2 fip/bl2.n.bin.sig \
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--bl30 fip/bl30_new.bin.enc \
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--bl30 fip/bl30_new.bin.enc \
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--bl31 fip/bl31.img.enc \
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--bl31 fip/bl31.img.enc \
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--bl33 fip/bl33.bin.enc --level v3
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--bl33 fip/bl33.bin.enc --level v3
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and then write the image to SD with:
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Then write U-Boot to SD or eMMC with:
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.. code-block:: bash
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.. code-block:: bash
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$ DEV=/dev/your_sd_device
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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=$DEV conv=fsync,notrunc bs=512 skip=1 seek=1
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$ dd if=fip/u-boot.bin.sd.bin of=$DEV conv=fsync,notrunc bs=1 count=444
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$ dd if=fip/u-boot.bin.sd.bin of=$DEV conv=fsync,notrunc bs=1 count=440
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