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doc: boards: amlogic: update documentation for NanoPi-K2
Improve documentation. Notably we can now support U-Boot install to the removable eMMC storage module in addition to SD cards. Signed-off-by: Christian Hewitt <christianshewitt@gmail.com> Link: https://lore.kernel.org/r/20230320114609.930145-15-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
e9f9e50926
commit
9312ff02e2
@ -1,10 +1,10 @@
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.. SPDX-License-Identifier: GPL-2.0+
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U-Boot for NanoPi-K2
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====================
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U-Boot for NanoPi-K2 (S905)
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===========================
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NanoPi-K2 is a single board computer manufactured by FriendlyElec
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with the following specifications:
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NanoPi-K2 is a single board computer manufactured by FriendlyElec with the following
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specifications:
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- Amlogic S905 ARM Cortex-A53 quad-core SoC @ 1.5GHz
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- ARM Mali 450 GPU
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@ -18,7 +18,7 @@ with the following specifications:
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Schematics are available on the manufacturer website.
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U-Boot compilation
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U-Boot Compilation
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------------------
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.. code-block:: bash
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@ -27,14 +27,21 @@ U-Boot compilation
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$ make nanopi-k2_defconfig
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$ make
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Image creation
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--------------
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U-Boot Signing with Pre-Built FIP repo
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--------------------------------------
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For simplified usage, pleaser refer to :doc:`pre-generated-fip` with codename `nanopi-k2`
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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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to create the bootloader image, so it is necessary to obtain them from
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the git tree published by the board vendor:
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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 nanopi-k2 /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 so it is necessary to obtain binaries from sources published by the board vendor:
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.. code-block:: bash
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@ -43,7 +50,6 @@ the git tree published by the board vendor:
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$ tar xvfJ gcc-linaro-aarch64-none-elf-4.8-2013.11_linux.tar.xz
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$ tar xvfJ gcc-linaro-arm-none-eabi-4.8-2013.11_linux.tar.xz
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$ export PATH=$PWD/gcc-linaro-aarch64-none-elf-4.8-2013.11_linux/bin:$PWD/gcc-linaro-arm-none-eabi-4.8-2013.11_linux/bin:$PATH
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$ git clone https://github.com/BayLibre/u-boot.git -b libretech-cc amlogic-u-boot
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$ git clone https://github.com/friendlyarm/u-boot.git -b nanopi-k2-v2015.01 amlogic-u-boot
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$ cd amlogic-u-boot
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$ sed -i 's/aarch64-linux-gnu-/aarch64-none-elf-/' Makefile
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@ -52,7 +58,7 @@ the git tree published by the board vendor:
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$ make
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$ export FIPDIR=$PWD/fip
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Go back to mainline U-Boot source tree then :
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Go back to the mainline U-Boot source tree then:
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.. code-block:: bash
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@ -65,42 +71,52 @@ Go back to mainline U-Boot source tree then :
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$ cp $FIPDIR/gxb/bl301.bin fip/
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$ cp $FIPDIR/gxb/bl31.img fip/
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$ cp u-boot.bin fip/bl33.bin
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$ wget https://github.com/LibreELEC/amlogic-boot-fip/raw/master/nanopi-k2/bl1.bin.hardkernel fip/bl1.bin.hardkernel
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$ chmod +x fip/bl1.bin.hardkernel
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$ wget https://github.com/LibreELEC/amlogic-boot-fip/raw/master/nanopi-k2/aml_chksum fip/aml_chksum
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$ chmod +x fip/aml_chksum
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$ $FIPDIR/blx_fix.sh \
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fip/bl30.bin \
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fip/zero_tmp \
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fip/bl30_zero.bin \
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fip/bl301.bin \
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fip/bl301_zero.bin \
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fip/bl30_new.bin \
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bl30
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fip/bl30.bin \
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fip/zero_tmp \
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fip/bl30_zero.bin \
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fip/bl301.bin \
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fip/bl301_zero.bin \
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fip/bl30_new.bin \
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bl30
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$ $FIPDIR/fip_create \
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--bl30 fip/bl30_new.bin \
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--bl31 fip/bl31.img \
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--bl33 fip/bl33.bin \
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fip/fip.bin
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$ $FIPDIR/fip_create --bl30 fip/bl30_new.bin \
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--bl31 fip/bl31.img \
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--bl33 fip/bl33.bin \
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fip/fip.bin
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$ sed -i 's/\x73\x02\x08\x91/\x1F\x20\x03\xD5/' fip/bl2.bin
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$ python $FIPDIR/acs_tool.pyc fip/bl2.bin fip/bl2_acs.bin fip/acs.bin 0
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$ $FIPDIR/blx_fix.sh \
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fip/bl2_acs.bin \
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fip/zero_tmp \
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fip/bl2_zero.bin \
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fip/bl21.bin \
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fip/bl21_zero.bin \
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fip/bl2_new.bin \
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bl2
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fip/bl2_acs.bin \
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fip/zero_tmp \
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fip/bl2_zero.bin \
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fip/bl21.bin \
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fip/bl21_zero.bin \
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fip/bl2_new.bin \
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bl2
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$ cat fip/bl2_new.bin fip/fip.bin > fip/boot_new.bin
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$ $FIPDIR/gxb/aml_encrypt_gxb --bootsig \
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--input fip/boot_new.bin
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--output fip/u-boot.bin
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--input fip/boot_new.bin
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--output fip/u-boot.bin
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and then write the image to SD with:
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Then write U-Boot to SD or eMMC with:
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.. code-block:: bash
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$ DEV=/dev/your_sd_device
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$ dd if=fip/u-boot.bin of=$DEV conv=fsync,notrunc bs=512 seek=1
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$ DEV=/dev/boot_device
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$ dd if=fip/u-boot.bin of=fip/u-boot.bin.gxbb bs=512 conv=fsync
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$ dd if=fip/u-boot.bin of=fip/u-boot.bin.gxbb bs=512 seek=9 skip=8 count=87 conv=fsync,notrunc
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$ dd if=/dev/zero of=fip/u-boot.bin.gxbb bs=512 seek=8 count=1 conv=fsync,notrunc
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$ dd if=bl1.bin.hardkernel of=fip/u-boot.bin.gxbb bs=512 seek=2 skip=2 count=1 conv=fsync,notrunc
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$ ./aml_chksum fip/u-boot.bin.gxbb
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$ dd if=fip/u-boot.gxbb of=$DEV conv=fsync,notrunc bs=512 skip=1 seek=1
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$ dd if=fip/u-boot.gxbb of=$DEV conv=fsync,notrunc bs=1 count=440
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