| .. 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 |
| $ 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 |
| |
| Boot |
| ---- |
| |
| Set Boot switch to SD boot |