mirror of
https://github.com/AsahiLinux/u-boot
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76 lines
2 KiB
ReStructuredText
76 lines
2 KiB
ReStructuredText
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.. SPDX-License-Identifier: GPL-2.0+
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U-Boot for the NXP i.MX8QM ROM 7720a1 board
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===========================================
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Quick Start
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-----------
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- Build the ARM Trusted firmware binary
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- Get scfw_tcm.bin and ahab-container.img
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- Get imx-mkimage
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- Build U-Boot
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- Build imx-mkimage
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- Flash the binary into the SD card
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- Boot
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Get and Build the ARM Trusted firmware
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--------------------------------------
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.. code-block:: bash
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$ git clone https://source.codeaurora.org/external/imx/imx-atf
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$ cd imx-atf/
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$ git checkout origin/imx_4.14.78_1.0.0_ga -b imx_4.14.78_1.0.0_ga
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$ make PLAT=imx8qm bl31
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Get scfw_tcm.bin and ahab-container.img
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---------------------------------------
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.. code-block:: bash
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$ wget https://www.nxp.com/lgfiles/NMG/MAD/YOCTO/imx-sc-firmware-1.1.bin
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$ chmod +x imx-sc-firmware-1.1.bin
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$ ./imx-sc-firmware-1.1.bin
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$ wget https://www.nxp.com/lgfiles/NMG/MAD/YOCTO/firmware-imx-8.0.bin
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$ chmod +x firmware-imx-8.0.bin
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$ ./firmware-imx-8.0.bin
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Or use this to avoid running random scripts from the internet,
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but note that you must agree to the license the script displays:
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.. code-block:: bash
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$ dd if=imx-sc-firmware-1.1.bin of=imx-sc-firmware-1.1.tar.bz2 bs=37185 skip=1
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$ tar -xf imx-sc-firmware-1.1.tar.bz2
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$ cp imx-sc-firmware-1.1/mx8qm-val-scfw-tcm.bin $(builddir)
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$ dd if=firmware-imx-8.0.bin of=firmware-imx-8.0.tar.bz2 bs=37180 skip=1
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$ tar -xf firmware-imx-8.0.tar.bz2
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$ cp firmware-imx-8.0/firmware/seco/mx8qm-ahab-container.img $(builddir)
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Build U-Boot
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------------
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.. code-block:: bash
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$ export ATF_LOAD_ADDR=0x80000000
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$ export BL33_LOAD_ADDR=0x80020000
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$ make imx8qm_rom7720_a1_4G_defconfig
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$ make u-boot.bin
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$ make flash.bin
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Flash the binary into the SD card
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---------------------------------
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Burn the flash.bin binary to SD card offset 32KB:
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.. code-block:: bash
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$ sudo dd if=flash.bin of=/dev/sd[x] bs=1k seek=32 conv=fsync
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Boot
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----
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Set Boot switch SW2: 1100.
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