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- .. SPDX-License-Identifier: GPL-2.0+
- imx8mn_evk
- ==========
- U-Boot for the NXP i.MX8MN EVK board
- Quick Start
- -----------
- - Build the ARM Trusted firmware binary
- - Get firmware-imx package
- - Build U-Boot
- - Boot
- Get and Build the ARM Trusted firmware
- --------------------------------------
- Note: srctree is U-Boot source directory
- Get ATF from: https://source.codeaurora.org/external/imx/imx-atf
- branch: imx_5.4.47_2.2.0
- .. code-block:: bash
- $ make PLAT=imx8mn bl31
- $ cp build/imx8mn/release/bl31.bin $(srctree)
- Get the ddr firmware
- --------------------
- .. code-block:: bash
- $ wget https://www.nxp.com/lgfiles/NMG/MAD/YOCTO/firmware-imx-8.9.bin
- $ chmod +x firmware-imx-8.9.bin
- $ ./firmware-imx-8.9
- $ cp firmware-imx-8.9/firmware/ddr/synopsys/ddr4*.bin $(srctree)
- Build U-Boot
- ------------
- .. code-block:: bash
- $ export CROSS_COMPILE=aarch64-poky-linux-
- $ make imx8mn_ddr4_evk_defconfig
- $ export ATF_LOAD_ADDR=0x960000
- $ make
- Burn the flash.bin to MicroSD card offset 32KB:
- .. code-block:: bash
- $sudo dd if=flash.bin of=/dev/sd[x] bs=1024 seek=32 conv=notrunc
- $sudo dd if=u-boot.itb of=/dev/sd[x] bs=1024 seek=384 conv=notrunc
- Boot
- ----
- Set Boot switch to SD boot
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