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author | Tom Rini <trini@konsulko.com> | 2023-07-10 21:29:14 +0300 |
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committer | Tom Rini <trini@konsulko.com> | 2023-07-10 21:29:14 +0300 |
commit | 146a82c017d51eb2c3b8be33854f200f1e52a1cb (patch) | |
tree | c2bb134d105bcc9855e6c39ac5b422e5416735ff /doc/board/amlogic/videostrong-kii-pro.rst | |
parent | 05aa6516c6bb419d01d69fac457c0de563bfd694 (diff) | |
parent | 76c61f29d63163d178b1584ecc9fc2c96c538ff0 (diff) | |
download | u-boot-146a82c017d51eb2c3b8be33854f200f1e52a1cb.tar.xz |
Merge branch 'next'
Diffstat (limited to 'doc/board/amlogic/videostrong-kii-pro.rst')
-rw-r--r-- | doc/board/amlogic/videostrong-kii-pro.rst | 112 |
1 files changed, 112 insertions, 0 deletions
diff --git a/doc/board/amlogic/videostrong-kii-pro.rst b/doc/board/amlogic/videostrong-kii-pro.rst new file mode 100644 index 0000000000..1c6adac996 --- /dev/null +++ b/doc/board/amlogic/videostrong-kii-pro.rst @@ -0,0 +1,112 @@ +.. SPDX-License-Identifier: GPL-2.0+ + +U-Boot for Videostrong KII Pro (S905) +===================================== + +Videostrong KII Pro is an Android STB manufactured by Videostrong and +based on the Amlogic p201 reference board, with the following specification: + + - Amlogic S905 ARM Cortex-A53 quad-core SoC @ 1.5GHz + - ARM Mali 450 GPU + - 2GB DDR3 SDRAM + - 16GB eMMC + - Gigabit Ethernet + - Boardcom BCM4335 WiFi and BT 4.0 + - HDMI 2.0 4K/60Hz display + - 3x USB 2.0 host + - 1x USB 2.0 otg + - microSD + - Infrared receiver + - Blue LED + - Red LED + - Power button (case, front) + - Reset button (underside) + - DVB Card: DVB-S and DVB-T/C + +Schematics are not publicly available. + +U-Boot Compilation +------------------ + +.. code-block:: bash + + $ export CROSS_COMPILE=aarch64-none-elf- + $ make videostrong-kii-pro_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 Videostrong has not publicly shared the U-Boot sources +needed to build FIP binaries for signing. However you can use the WeTek +Play2 binaries from the amlogic-boot-fip repo as the WeTek Play2 and the +Videostrong KII Pro share the same RAM chips. + +.. 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.bin.gxbb of=$DEV conv=fsync,notrunc bs=512 skip=1 seek=1 + $ dd if=fip/u-boot.bin.gxbb of=$DEV conv=fsync,notrunc bs=1 count=440 |