Signed-off-by: Christian Hewitt christianshewitt@gmail.com --- doc/board/amlogic/u200.rst | 113 +++++++++++++++++++------------------ 1 file changed, 59 insertions(+), 54 deletions(-)
diff --git a/doc/board/amlogic/u200.rst b/doc/board/amlogic/u200.rst index 53213fdb68..6d1d66b4ea 100644 --- a/doc/board/amlogic/u200.rst +++ b/doc/board/amlogic/u200.rst @@ -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 +28,20 @@ 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 + $ 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 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: +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 +56,7 @@ 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 +65,7 @@ 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 +87,56 @@ 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 - -and then write the image to SD with: + --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 + +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