[PATCH v2 14/14] doc: boards: amlogic: add documentation for WeTek Hub and WeTek Play2

[Christian Hewitt <christianshewitt@gmail.com>]

Add build instructions for the WeTek Hub and WeTek Play2 boards.

Signed-off-by: Christian Hewitt <christianshewitt@gmail.com>
---
 board/amlogic/p200/MAINTAINERS    |   2 +
 doc/board/amlogic/index.rst       |   2 +
 doc/board/amlogic/wetek-hub.rst   | 110 ++++++++++++++++++++++++++++
 doc/board/amlogic/wetek-play2.rst | 115 ++++++++++++++++++++++++++++++
 4 files changed, 229 insertions(+)
 create mode 100644 doc/board/amlogic/wetek-hub.rst
 create mode 100644 doc/board/amlogic/wetek-play2.rst

diff --git a/board/amlogic/p200/MAINTAINERS b/board/amlogic/p200/MAINTAINERS
index 264218e3be..fe451dd7db 100644
--- a/board/amlogic/p200/MAINTAINERS
+++ b/board/amlogic/p200/MAINTAINERS
@@ -12,3 +12,5 @@ F:	configs/wetek-play2_defconfig
 F:	doc/board/amlogic/p200.rst
 F:	doc/board/amlogic/nanopi-k2.rst
 F:	doc/board/amlogic/odroid-c2.rst
+F:      doc/board/amlogic/wetek-hub.rst
+F:      doc/board/amlogic/wetek-play2.rst
diff --git a/doc/board/amlogic/index.rst b/doc/board/amlogic/index.rst
index 71b7e1f3ed..deb7976436 100644
--- a/doc/board/amlogic/index.rst
+++ b/doc/board/amlogic/index.rst
@@ -118,4 +118,6 @@ Board Documentation
    s400
    u200
    wetek-core2
+   wetek-hub
+   wetek-play2
    w400
diff --git a/doc/board/amlogic/wetek-hub.rst b/doc/board/amlogic/wetek-hub.rst
new file mode 100644
index 0000000000..378c6a6497
--- /dev/null
+++ b/doc/board/amlogic/wetek-hub.rst
@@ -0,0 +1,110 @@
+.. SPDX-License-Identifier: GPL-2.0+
+
+U-Boot for WeTek Hub (S905)
+===========================
+
+WeTek Hub is a small form-factor Android STB manufactured by WeTek with the following
+specification:
+
+ - Amlogic S905 ARM Cortex-A53 quad-core SoC @ 1.5GHz
+ - ARM Mali 450 GPU
+ - 1GB DDR3 SDRAM
+ - 8GB eMMC
+ - Gigabit Ethernet
+ - HDMI 2.0 4K/60Hz display
+ - 1x USB otg
+ - microSD
+ - UART jack
+ - Infrared receiver
+
+Schematics are not publicly available but have been shared privately to maintainers.
+
+U-Boot Compilation
+------------------
+
+.. code-block:: bash
+
+    $ export CROSS_COMPILE=aarch64-none-elf-
+    $ make wetek-hub_defconfig
+    $ make
+
+U-Boot Signing with Pre-Built FIP repo
+--------------------------------------
+
+.. 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-hub /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 and WeTek has not publicly shared the U-Boot sources needed to build FIP binaries
+for signing. However you can download them from the amlogic-fip-repo.
+
+.. code-block:: bash
+    $ git clone https://github.com/LibreELEC/amlogic-boot-fip --depth=1
+    $ cd amlogic-boot-fip/wetek-hub
+    $ export FIPDIR=$PWD
+
+Go back to the mainline U-Boot source tree then:
+
+.. code-block:: bash
+
+    $ mkdir fip
+
+    $ cp $FIPDIR/bl2.bin fip/
+    $ cp $FIPDIR/acs.bin fip/
+    $ cp $FIPDIR/bl21.bin fip/
+    $ cp $FIPDIR/bl30.bin fip/
+    $ cp $FIPDIR/bl301.bin fip/
+    $ cp $FIPDIR/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
+
+    $ $FIPDIR/fip_create --bl30 fip/bl30_new.bin \
+                         --bl31 fip/bl31.img \
+                         --bl33 fip/bl33.bin \
+                         fip/fip.bin
+
+    $ sed -i 's/\x73\x02\x08\x91/\x1F\x20\x03\xD5/' fip/bl2.bin
+    $ python3 $FIPDIR/acs_tool.py 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
+
+    $ cat fip/bl2_new.bin fip/fip.bin > fip/boot_new.bin
+
+    $ $FIPDIR/aml_encrypt_gxb --bootsig \
+                              --input fip/boot_new.bin
+                              --output fip/u-boot.bin
+
+Then write U-Boot to SD or eMMC with:
+
+.. code-block:: bash
+
+    $ DEV=/dev/boot_device
+    $ dd if=fip/u-boot.bin of=fip/u-boot.bin.gxbb bs=512 conv=fsync
+    $ dd if=fip/u-boot.bin of=fip/u-boot.bin.gxbb bs=512 seek=9 skip=8 count=87 conv=fsync,notrunc
+    $ dd if=/dev/zero of=fip/u-boot.bin.gxbb bs=512 seek=8 count=1 conv=fsync,notrunc
+    $ dd if=bl1.bin.hardkernel of=fip/u-boot.bin.gxbb bs=512 seek=2 skip=2 count=1 conv=fsync,notrunc
+    $ ./aml_chksum fip/u-boot.bin.gxbb
+    $ dd if=fip/u-boot.gxbb of=$DEV conv=fsync,notrunc bs=512 skip=1 seek=1
+    $ dd if=fip/u-boot.gxbb of=$DEV conv=fsync,notrunc bs=1 count=440
diff --git a/doc/board/amlogic/wetek-play2.rst b/doc/board/amlogic/wetek-play2.rst
new file mode 100644
index 0000000000..cd7759f7f4
--- /dev/null
+++ b/doc/board/amlogic/wetek-play2.rst
@@ -0,0 +1,115 @@
+.. SPDX-License-Identifier: GPL-2.0+
+
+U-Boot for WeTek Play2 (S905)
+=============================
+
+WeTek Play2 is an Android STB manufactured by WeTek with the following specification:
+
+ - Amlogic S905 ARM Cortex-A53 quad-core SoC @ 1.5GHz
+ - ARM Mali 450 GPU
+ - 2GB DDR3 SDRAM
+ - 8GB eMMC
+ - Gigabit Ethernet
+ - AP6335 (v1) or AP6255 (v2) WiFi (b/g/n) and BT 4.0
+ - HDMI 2.0 4K/60Hz display
+ - 2x USB 2.0 host
+ - 1x USB 2.0 otg
+ - microSD
+ - UART jack
+ - Infrared receiver
+ - Power LED (blue)
+ - Power button (case, front)
+ - Reset button (underside)
+ - DVB Card: DVB-S or DVB-T/C or ATSC
+
+Schematics are not publicly available but have been shared privately to maintainers.
+
+U-Boot Compilation
+------------------
+
+.. code-block:: bash
+
+    $ export CROSS_COMPILE=aarch64-none-elf-
+    $ make wetek-play2_defconfig
+    $ make
+
+U-Boot Signing with Pre-Built FIP repo
+--------------------------------------
+
+.. 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-play2 /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 and WeTek has not publicly shared the U-Boot sources needed to build FIP binaries
+for signing. However you can download them from the amlogic-fip-repo.
+
+.. code-block:: bash
+    $ git clone https://github.com/LibreELEC/amlogic-boot-fip --depth=1
+    $ cd amlogic-boot-fip/wetek-play2
+    $ export FIPDIR=$PWD
+
+Go back to the mainline U-Boot source tree then:
+
+.. code-block:: bash
+
+    $ mkdir fip
+
+    $ cp $FIPDIR/bl2.bin fip/
+    $ cp $FIPDIR/acs.bin fip/
+    $ cp $FIPDIR/bl21.bin fip/
+    $ cp $FIPDIR/bl30.bin fip/
+    $ cp $FIPDIR/bl301.bin fip/
+    $ cp $FIPDIR/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
+
+    $ $FIPDIR/fip_create --bl30 fip/bl30_new.bin \
+                         --bl31 fip/bl31.img \
+                         --bl33 fip/bl33.bin \
+                         fip/fip.bin
+
+    $ sed -i 's/\x73\x02\x08\x91/\x1F\x20\x03\xD5/' fip/bl2.bin
+    $ python3 $FIPDIR/acs_tool.py 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
+
+    $ cat fip/bl2_new.bin fip/fip.bin > fip/boot_new.bin
+
+    $ $FIPDIR/aml_encrypt_gxb --bootsig \
+                              --input fip/boot_new.bin
+                              --output fip/u-boot.bin
+
+Then write U-Boot to SD or eMMC with:
+
+.. code-block:: bash
+
+    $ DEV=/dev/boot_device
+    $ dd if=fip/u-boot.bin of=fip/u-boot.bin.gxbb bs=512 conv=fsync
+    $ dd if=fip/u-boot.bin of=fip/u-boot.bin.gxbb bs=512 seek=9 skip=8 count=87 conv=fsync,notrunc
+    $ dd if=/dev/zero of=fip/u-boot.bin.gxbb bs=512 seek=8 count=1 conv=fsync,notrunc
+    $ dd if=bl1.bin.hardkernel of=fip/u-boot.bin.gxbb bs=512 seek=2 skip=2 count=1 conv=fsync,notrunc
+    $ ./aml_chksum fip/u-boot.bin.gxbb
+    $ dd if=fip/u-boot.gxbb of=$DEV conv=fsync,notrunc bs=512 skip=1 seek=1
+    $ dd if=fip/u-boot.gxbb of=$DEV conv=fsync,notrunc bs=1 count=440
-- 
2.34.1


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