[PATCH 27/33] doc: boards: amlogic: update documentation for U200
Christian Hewitt
christianshewitt at gmail.com
Mon Mar 20 12:46:03 CET 2023
Signed-off-by: Christian Hewitt <christianshewitt at 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
--
2.34.1
More information about the U-Boot
mailing list