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Mohammad Rasimead6b402019-03-23 14:55:21 +03001U-Boot for Amlogic P201
2=======================
3
4P201 is a reference board manufactured by Amlogic with the following
5specifications:
6
7 - Amlogic S905 ARM Cortex-A53 quad-core SoC @ 1.5GHz
8 - ARM Mali 450 GPU
9 - 2GB DDR3 SDRAM
10 - 10/100 Ethernet
11 - HDMI 2.0 4K/60Hz display
12 - 2 x USB 2.0 Host
13 - eMMC, microSD
14 - Infrared receiver
15 - SDIO WiFi Module
16 - CVBS+Stereo Audio Jack
17
18Schematics are available from Amlogic on demand.
19
20Currently the u-boot port supports the following devices:
21 - serial
22 - eMMC, microSD
23 - Ethernet
24 - I2C
25 - Regulators
26 - Reset controller
27 - Clock controller
28 - USB Host
29 - ADC
30
31u-boot compilation
32==================
33
34 > export ARCH=arm
35 > export CROSS_COMPILE=aarch64-none-elf-
36 > make p201_defconfig
37 > make
38
39Image creation
40==============
41
42Amlogic doesn't provide sources for the firmware and for tools needed
43to create the bootloader image, so it is necessary to obtain them from
44the git tree published by the board vendor:
45
46 > wget https://releases.linaro.org/archive/13.11/components/toolchain/binaries/gcc-linaro-aarch64-none-elf-4.8-2013.11_linux.tar.xz
47 > wget https://releases.linaro.org/archive/13.11/components/toolchain/binaries/gcc-linaro-arm-none-eabi-4.8-2013.11_linux.tar.xz
48 > tar xvfJ gcc-linaro-aarch64-none-elf-4.8-2013.11_linux.tar.xz
49 > tar xvfJ gcc-linaro-arm-none-eabi-4.8-2013.11_linux.tar.xz
50 > export PATH=$PWD/gcc-linaro-aarch64-none-elf-4.8-2013.11_linux/bin:$PWD/gcc-linaro-arm-none-eabi-4.8-2013.11_linux/bin:$PATH
51 > git clone https://github.com/BayLibre/u-boot.git -b n-amlogic-openlinux-20170606 amlogic-u-boot
52 > cd amlogic-u-boot
53 > make gxb_p201_v1_defconfig
54 > make
55 > export FIPDIR=$PWD/fip
56
57Go back to mainline U-boot source tree then :
58 > mkdir fip
59
60 > cp $FIPDIR/gxl/bl2.bin fip/
61 > cp $FIPDIR/gxl/acs.bin fip/
62 > cp $FIPDIR/gxl/bl21.bin fip/
63 > cp $FIPDIR/gxl/bl30.bin fip/
64 > cp $FIPDIR/gxl/bl301.bin fip/
65 > cp $FIPDIR/gxl/bl31.img fip/
66 > cp u-boot.bin fip/bl33.bin
67
68 > $FIPDIR/blx_fix.sh \
69 fip/bl30.bin \
70 fip/zero_tmp \
71 fip/bl30_zero.bin \
72 fip/bl301.bin \
73 fip/bl301_zero.bin \
74 fip/bl30_new.bin \
75 bl30
76
77 > $FIPDIR/acs_tool.pyc fip/bl2.bin fip/bl2_acs.bin fip/acs.bin 0
78
79 > $FIPDIR/blx_fix.sh \
80 fip/bl2_acs.bin \
81 fip/zero_tmp \
82 fip/bl2_zero.bin \
83 fip/bl21.bin \
84 fip/bl21_zero.bin \
85 fip/bl2_new.bin \
86 bl2
87
88 > $FIPDIR/gxl/aml_encrypt_gxl --bl3enc --input fip/bl30_new.bin
89 > $FIPDIR/gxl/aml_encrypt_gxl --bl3enc --input fip/bl31.img
90 > $FIPDIR/gxl/aml_encrypt_gxl --bl3enc --input fip/bl33.bin
91 > $FIPDIR/gxl/aml_encrypt_gxl --bl2sig --input fip/bl2_new.bin --output fip/bl2.n.bin.sig
92 > $FIPDIR/gxl/aml_encrypt_gxl --bootmk \
93 --output fip/u-boot.bin \
94 --bl2 fip/bl2.n.bin.sig \
95 --bl30 fip/bl30_new.bin.enc \
96 --bl31 fip/bl31.img.enc \
97 --bl33 fip/bl33.bin.enc
98
99and then write the image to SD with:
100
101 > DEV=/dev/your_sd_device
102 > dd if=fip/u-boot.bin.sd.bin of=$DEV conv=fsync,notrunc bs=512 skip=1 seek=1
103 > dd if=fip/u-boot.bin.sd.bin of=$DEV conv=fsync,notrunc bs=1 count=444