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https://github.com/brain-hackers/u-boot-brain
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a505fd3cc6
Update doc after switch to binman to pack images Signed-off-by: Peng Fan <peng.fan@nxp.com>
58 lines
1.2 KiB
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58 lines
1.2 KiB
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.. SPDX-License-Identifier: GPL-2.0+
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imx8mm_evk
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==========
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U-Boot for the NXP i.MX8MM EVK board
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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 ddr firmware
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- Build U-Boot
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- Boot
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Get and Build the ARM Trusted firmware
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--------------------------------------
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Note: builddir is U-Boot build directory (source directory for in-tree builds)
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Get ATF from: https://source.codeaurora.org/external/imx/imx-atf
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branch: imx_5.4.47_2.2.0
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.. code-block:: bash
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$ make PLAT=imx8mm bl31
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$ cp build/imx8mm/release/bl31.bin $(builddir)
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Get the ddr firmware
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--------------------
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.. code-block:: bash
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$ wget https://www.nxp.com/lgfiles/NMG/MAD/YOCTO/firmware-imx-8.9.bin
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$ chmod +x firmware-imx-8.9.bin
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$ ./firmware-imx-8.9
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$ cp firmware-imx-8.9/firmware/ddr/synopsys/lpddr4*.bin $(builddir)
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Build U-Boot
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------------
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.. code-block:: bash
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$ export CROSS_COMPILE=aarch64-poky-linux-
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$ make imx8mm_evk_defconfig
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$ export ATF_LOAD_ADDR=0x920000
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$ make
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Burn the flash.bin to MicroSD card offset 33KB:
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.. code-block:: bash
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$sudo dd if=flash.bin of=/dev/sd[x] bs=1024 seek=33 conv=notrunc
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$sudo dd if=u-boot.itb of=/dev/sdc bs=1024 seek=384 conv=sync
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Boot
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----
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Set Boot switch to SD boot
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