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57 lines
1.1 KiB
ReStructuredText
.. SPDX-License-Identifier: GPL-2.0+
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imx8mn_evk
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==========
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U-Boot for the NXP i.MX8MN 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 firmware-imx package
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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: srctree is U-Boot source directory
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Get ATF from: https://source.codeaurora.org/external/imx/imx-atf
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branch: imx_4.19.35_1.1.0
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.. code-block:: bash
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$ make PLAT=imx8mn bl31
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$ cp build/imx8mn/release/bl31.bin $(srctree)
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Get the ddr firmware
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--------------------
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.. code-block:: bash
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$ wget https://www.nxp.com/lgfiles/NMG/MAD/YOCTO/firmware-imx-8.5.bin
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$ chmod +x firmware-imx-8.5.bin
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$ ./firmware-imx-8.5
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$ cp firmware-imx-8.5/firmware/ddr/synopsys/ddr4*.bin $(srctree)
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Build U-Boot
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------------
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.. code-block:: bash
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$ export CROSS_COMPILE=aarch64-poky-linux-
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$ make imx8mn_ddr4_evk_defconfig
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$ export ATF_LOAD_ADDR=0x960000
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$ make flash.bin
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Burn the flash.bin to MicroSD card offset 32KB:
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.. code-block:: bash
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$sudo dd if=flash.bin of=/dev/sd[x] bs=1024 seek=32 conv=notrunc
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Boot
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----
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Set Boot switch to SD boot
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