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doc: boards: amlogic: update documentation for U200

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Improve Documentation.

Signed-off-by: Christian Hewitt <christianshewitt@gmail.com>
Link: https://lore.kernel.org/r/20230320114609.930145-28-christianshewitt@gmail.com
[narmstrong: fixed doc build, add commit msg]
Signed-off-by: Neil Armstrong <neil.armstrong@linaro.org>
This commit is contained in:
Christian Hewitt
2023-03-20 11:46:03 +00:00
committed by Neil Armstrong
parent 4b9d6f3053
commit db7b053e69
1 changed files with 59 additions and 53 deletions
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112
doc/board/amlogic/u200.rst
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@@ -1,15 +1,14 @@
.. SPDX-License-Identifier: GPL-2.0+
U-Boot for Amlogic U200
=======================
U-Boot for Amlogic U200 (S905X2)
================================
U200 is a reference board manufactured by Amlogic with the following
specifications:
U200 is a reference board manufactured by Amlogic with the following specification:
- Amlogic S905D2 ARM Cortex-A53 quad-core SoC
- 2GB DDR4 SDRAM
- 10/100 Ethernet (Internal PHY)
- 1 x USB 3.0 Host
- 1x USB 3.0 Host
- eMMC
- SDcard
- Infrared receiver
@@ -20,7 +19,7 @@ specifications:
Schematics are available from Amlogic on demand.
U-Boot compilation
U-Boot Compilation
------------------
.. code-block:: bash
@@ -29,14 +28,21 @@ U-Boot compilation
$ make u200_defconfig
$ make
Image creation
--------------
U-Boot Signing with Pre-Built FIP repo
--------------------------------------
For simplified usage, pleaser refer to :doc:`pre-generated-fip` with codename `u200`
.. code-block:: bash
Amlogic doesn't provide sources for the firmware and for tools needed
to create the bootloader image, so it is necessary to obtain them from
the git tree published by the board vendor:
$ git clone https://github.com/LibreELEC/amlogic-boot-fip --depth=1
$ cd amlogic-boot-fip
$ mkdir my-output-dir
$ ./build-fip.sh u200 /path/to/u-boot/u-boot.bin my-output-dir
U-Boot Manual Signing
---------------------
Amlogic does not provide sources for the firmware and tools needed to create a bootloader
image so it is necessary to obtain binaries from sources published by the board vendor:
.. code-block:: bash
@@ -51,7 +57,7 @@ the git tree published by the board vendor:
$ make
$ export UBOOTDIR=$PWD
Download the latest Amlogic Buildroot package, and extract it :
Download the latest Amlogic buildroot package and extract it:
.. code-block:: bash
@@ -60,7 +66,7 @@ Download the latest Amlogic Buildroot package, and extract it :
$ export BRDIR=$PWD/buildroot_openlinux_kernel_4.9_fbdev_20180706
$ export FIPDIR=$BRDIR/bootloader/uboot-repo/fip
Go back to mainline U-Boot source tree then :
Go back to the mainline U-Boot source tree then:
.. code-block:: bash
@@ -82,56 +88,56 @@ Go back to mainline U-Boot source tree then :
$ cp u-boot.bin fip/bl33.bin
$ sh fip/blx_fix.sh \
fip/bl30.bin \
fip/zero_tmp \
fip/bl30_zero.bin \
fip/bl301.bin \
fip/bl301_zero.bin \
fip/bl30_new.bin \
bl30
fip/bl30.bin \
fip/zero_tmp \
fip/bl30_zero.bin \
fip/bl301.bin \
fip/bl301_zero.bin \
fip/bl30_new.bin \
bl30
$ sh fip/blx_fix.sh \
fip/bl2.bin \
fip/zero_tmp \
fip/bl2_zero.bin \
fip/acs.bin \
fip/bl21_zero.bin \
fip/bl2_new.bin \
bl2
fip/bl2.bin \
fip/zero_tmp \
fip/bl2_zero.bin \
fip/acs.bin \
fip/bl21_zero.bin \
fip/bl2_new.bin \
bl2
$ $FIPDIR/g12a/aml_encrypt_g12a --bl30sig --input fip/bl30_new.bin \
--output fip/bl30_new.bin.g12a.enc \
--level v3
--output fip/bl30_new.bin.g12a.enc \
--level v3
$ $FIPDIR/g12a/aml_encrypt_g12a --bl3sig --input fip/bl30_new.bin.g12a.enc \
--output fip/bl30_new.bin.enc \
--level v3 --type bl30
--output fip/bl30_new.bin.enc \
--level v3 --type bl30
$ $FIPDIR/g12a/aml_encrypt_g12a --bl3sig --input fip/bl31.img \
--output fip/bl31.img.enc \
--level v3 --type bl31
--output fip/bl31.img.enc \
--level v3 --type bl31
$ $FIPDIR/g12a/aml_encrypt_g12a --bl3sig --input fip/bl33.bin --compress lz4 \
--output fip/bl33.bin.enc \
--level v3 --type bl33
--output fip/bl33.bin.enc \
--level v3 --type bl33
$ $FIPDIR/g12a/aml_encrypt_g12a --bl2sig --input fip/bl2_new.bin \
--output fip/bl2.n.bin.sig
--output fip/bl2.n.bin.sig
$ $FIPDIR/g12a/aml_encrypt_g12a --bootmk \
--output fip/u-boot.bin \
--bl2 fip/bl2.n.bin.sig \
--bl30 fip/bl30_new.bin.enc \
--bl31 fip/bl31.img.enc \
--bl33 fip/bl33.bin.enc \
--ddrfw1 fip/ddr4_1d.fw \
--ddrfw2 fip/ddr4_2d.fw \
--ddrfw3 fip/ddr3_1d.fw \
--ddrfw4 fip/piei.fw \
--ddrfw5 fip/lpddr4_1d.fw \
--ddrfw6 fip/lpddr4_2d.fw \
--ddrfw7 fip/diag_lpddr4.fw \
--level v3
--output fip/u-boot.bin \
--bl2 fip/bl2.n.bin.sig \
--bl30 fip/bl30_new.bin.enc \
--bl31 fip/bl31.img.enc \
--bl33 fip/bl33.bin.enc \
--ddrfw1 fip/ddr4_1d.fw \
--ddrfw2 fip/ddr4_2d.fw \
--ddrfw3 fip/ddr3_1d.fw \
--ddrfw4 fip/piei.fw \
--ddrfw5 fip/lpddr4_1d.fw \
--ddrfw6 fip/lpddr4_2d.fw \
--ddrfw7 fip/diag_lpddr4.fw \
--level v3
and then write the image to SD with:
Then write U-Boot to SD or eMMC with:
.. code-block:: bash
$ DEV=/dev/your_sd_device
$ DEV=/dev/boot_device
$ dd if=fip/u-boot.bin.sd.bin of=$DEV conv=fsync,notrunc bs=512 skip=1 seek=1
$ dd if=fip/u-boot.bin.sd.bin of=$DEV conv=fsync,notrunc bs=1 count=444
$ dd if=fip/u-boot.bin.sd.bin of=$DEV conv=fsync,notrunc bs=1 count=440