2020-10-14 09:12:00 +00:00
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.. SPDX-License-Identifier: GPL-2.0+
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imx8mp_evk
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==========
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U-Boot for the NXP i.MX8MP 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 the 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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Get ATF from: https://source.codeaurora.org/external/imx/imx-atf
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2021-02-14 19:19:22 +00:00
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branch: imx_5.4.70_2.3.0
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2020-10-14 09:12:00 +00:00
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.. code-block:: bash
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$ make PLAT=imx8mp bl31
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Get the ddr firmware
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--------------------
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.. code-block:: bash
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2021-02-14 19:19:22 +00:00
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$ wget https://www.nxp.com/lgfiles/NMG/MAD/YOCTO/firmware-imx-8.10.bin
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$ chmod +x firmware-imx-8.10.bin
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$ ./firmware-imx-8.10.bin
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2020-10-14 09:12:00 +00:00
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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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2021-02-14 19:19:22 +00:00
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$ make O=build imx8mp_evk_defconfig
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$ cp ../imx-atf/build/imx8mp/release/bl31.bin ./build/bl31.bin
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2021-04-06 03:59:03 +00:00
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$ cp ../firmware-imx-8.10/firmware/ddr/synopsys/lpddr4_pmu_train_1d_dmem_202006.bin ./build/
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$ cp ../firmware-imx-8.10/firmware/ddr/synopsys/lpddr4_pmu_train_1d_imem_202006.bin ./build/
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$ cp ../firmware-imx-8.10/firmware/ddr/synopsys/lpddr4_pmu_train_2d_dmem_202006.bin ./build/
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$ cp ../firmware-imx-8.10/firmware/ddr/synopsys/lpddr4_pmu_train_2d_imem_202006.bin ./build/
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2021-02-14 19:19:22 +00:00
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$ export ATF_LOAD_ADDR=0x970000
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2021-04-06 03:59:03 +00:00
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$ make O=build
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2020-10-14 09:12:00 +00:00
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Burn the flash.bin to the MicroSD card at offset 32KB:
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.. code-block:: bash
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2021-02-14 19:19:22 +00:00
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$sudo dd if=build/flash.bin of=/dev/sd[x] bs=1K seek=32 conv=notrunc; sync
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2021-04-06 03:59:03 +00:00
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$sudo dd if=build/u-boot.itb of=/dev/sd[x] bs=1K seek=384 conv=notrunc; sync
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2020-10-14 09:12:00 +00:00
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Boot
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----
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Set Boot switch to SD boot
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Use /dev/ttyUSB2 for U-Boot console
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