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doc: boards: amlogic: update documentation for SEI610

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Improve documentation.

Signed-off-by: Christian Hewitt <christianshewitt@gmail.com>
Link: https://lore.kernel.org/r/20230320114609.930145-27-christianshewitt@gmail.com
[narmstrong: fixed doc build]
Signed-off-by: Neil Armstrong <neil.armstrong@linaro.org>
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Christian Hewitt 2023-03-20 11:46:02 +00:00 committed by Neil Armstrong
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commit 4b9d6f3053
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39
doc/board/amlogic/sei610.rst
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@ -1,10 +1,9 @@
.. SPDX-License-Identifier: GPL-2.0+
U-Boot for Amlogic SEI610
=========================
U-Boot for Amlogic SEI610 (S905X3)
==================================
SEI610 is a customer board manufactured by SEI Robotics with the following
specifications:
SEI610 is a customer board manufactured by SEI Robotics with the following specification:
- Amlogic S905X3 ARM Cortex-A55 quad-core SoC
- 2GB DDR4 SDRAM
@ -17,7 +16,7 @@ specifications:
- Infrared receiver
- SDIO WiFi Module
U-Boot compilation
U-Boot Compilation
------------------
.. code-block:: bash
@ -26,14 +25,21 @@ U-Boot compilation
$ make sei610_defconfig
$ make
Image creation
--------------
U-Boot Signing with Pre-Built FIP repo
--------------------------------------
For simplified usage, pleaser refer to :doc:`pre-generated-fip` with codename `sei610`
.. 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 sei610 /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
@ -48,7 +54,7 @@ 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
@ -57,8 +63,7 @@ Download the latest Amlogic Buildroot package, and extract it :
$ export BRDIR=$PWD/buildroot-openlinux-A113-201901
$ 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
@ -126,10 +131,10 @@ Go back to mainline U-Boot source tree then :
--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