From 78ad3f766e08999bac5ce3fc8823ec1088d50685 Mon Sep 17 00:00:00 2001
From: Christian Hewitt <christianshewitt@gmail.com>
Date: Mon, 20 Mar 2023 11:46:05 +0000
Subject: [PATCH] doc: boards: amlogic: update documentation for WeTek Core2
Improve documentation.
Signed-off-by: Christian Hewitt <christianshewitt@gmail.com>
Link: https://lore.kernel.org/r/20230320114609.930145-30-christianshewitt@gmail.com
[narmstrong: fixed doc build]
Signed-off-by: Neil Armstrong <neil.armstrong@linaro.org>
---
doc/board/amlogic/wetek-core2.rst | 84 ++++++++++++++++++-------------
1 file changed, 48 insertions(+), 36 deletions(-)
diff --git a/doc/board/amlogic/wetek-core2.rst b/doc/board/amlogic/wetek-core2.rst
index 0147d5fbe2..137262ec30 100644
--- a/doc/board/amlogic/wetek-core2.rst
+++ b/doc/board/amlogic/wetek-core2.rst
@@ -1,23 +1,24 @@
.. SPDX-License-Identifier: GPL-2.0+
-U-Boot for WeTek Core2
-======================
+U-Boot for WeTek Core2 (S912)
+=============================
-WeTek Core2 is an Android STB based on the Q200 reference design with
-the following specifications:
+WeTek Core2 is an Android STB based on the Q200 reference design with the following
+specifications:
- Amlogic S912 ARM Cortex-A53 octo-core SoC @ 1.5GHz
- ARM Mali T820 GPU
- 3GB DDR4 SDRAM
- 10/100 Realtek RTL8152 Ethernet (internal USB)
- HDMI 2.0 4K/60Hz display
- - 2x USB 2.0 Host, 1x USB 2.0 OTG (internal)
+ - 2x USB 2.0 Host
+ - 1x USB 2.0 OTG (internal)
- 32GB eMMC
- microSD
- SDIO Wifi Module, Bluetooth
- Two channel IR receiver
-U-Boot compilation
+U-Boot Compilation
------------------
.. code-block:: bash
@@ -26,15 +27,22 @@ U-Boot compilation
$ make wetek-core2_defconfig
$ make
-Image creation
---------------
+U-Boot Signing with Pre-Built FIP repo
+--------------------------------------
-For simplified usage, pleaser refer to :doc:`pre-generated-fip` with codename `wetek-core2`
+.. code-block:: bash
+
+ $ git clone https://github.com/LibreELEC/amlogic-boot-fip --depth=1
+ $ cd amlogic-boot-fip
+ $ mkdir my-output-dir
+ $ ./build-fip.sh wetek-core2 /path/to/u-boot/u-boot.bin my-output-dir
-Amlogic does not provide sources for the firmware or the tools needed
-to create the bootloader image, and WeTek has not publicly shared the
-precompiled FIP binaries. However the public Khadas VIM2 sources also
-work with the Core2 box so we can use the Khadas git tree:
+U-Boot Manual Signing
+---------------------
+
+Amlogic does not provide firmware sources or tools needed to create the bootloader image
+and WeTek has not publicly shared the precompiled FIP binaries. However the Khadas VIM2
+sources also work with the Core2 box so we can use the Khadas git tree:
.. code-block:: bash
@@ -49,7 +57,7 @@ work with the Core2 box so we can use the Khadas git tree:
$ make
$ export FIPDIR=$PWD/fip
-Go back to mainline U-Boot source tree then:
+Go back to the mainline U-Boot source tree then:
.. code-block:: bash
@@ -61,38 +69,42 @@ Go back to mainline U-Boot source tree then:
$ cp $FIPDIR/gxl/bl301.bin fip/
$ cp $FIPDIR/gxl/bl31.img fip/
$ cp u-boot.bin fip/bl33.bin
+
$ $FIPDIR/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
+
$ python $FIPDIR/acs_tool.pyc fip/bl2.bin fip/bl2_acs.bin fip/acs.bin 0
+
$ $FIPDIR/blx_fix.sh \
- fip/bl2_acs.bin \
- fip/zero_tmp \
- fip/bl2_zero.bin \
- fip/bl21.bin \
- fip/bl21_zero.bin \
- fip/bl2_new.bin \
- bl2
+ fip/bl2_acs.bin \
+ fip/zero_tmp \
+ fip/bl2_zero.bin \
+ fip/bl21.bin \
+ fip/bl21_zero.bin \
+ fip/bl2_new.bin \
+ bl2
+
$ $FIPDIR/gxl/aml_encrypt_gxl --bl3enc --input fip/bl30_new.bin
$ $FIPDIR/gxl/aml_encrypt_gxl --bl3enc --input fip/bl31.img
$ $FIPDIR/gxl/aml_encrypt_gxl --bl3enc --input fip/bl33.bin
$ $FIPDIR/gxl/aml_encrypt_gxl --bl2sig --input fip/bl2_new.bin --output fip/bl2.n.bin.sig
$ $FIPDIR/gxl/aml_encrypt_gxl --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
+ --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
-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
--
2.39.5