| .. SPDX-License-Identifier: GPL-2.0+ |
| |
| imx8mn_bsh_smm_s2 |
| ================= |
| |
| U-Boot for the BSH SystemMaster (SMM) S2 board family. |
| |
| 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://github.com/ARM-software/arm-trusted-firmware |
| tag: v2.5 |
| |
| .. code-block:: bash |
| |
| $ make PLAT=imx8mn IMX_BOOT_UART_BASE=0x30a60000 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/ddr3*.bin $(srctree) |
| |
| Build U-Boot |
| ------------ |
| |
| .. code-block:: bash |
| |
| $ export CROSS_COMPILE=aarch64-linux-gnu- |
| $ make imx8mn_bsh_smm_s2_defconfig |
| $ make |
| |
| Burn the flash.bin to MicroSD card offset 32KB: |
| |
| .. code-block:: bash |
| |
| $ dd if=flash.bin of=/dev/sd[x] bs=1024 seek=32 conv=notrunc |
| |
| Boot |
| ---- |
| |
| Start the board in USB serial downloader mode, plug-in the USB-OTG port and |
| load flash.bin using Freescale/NXP UUU tool: |
| |
| .. code-block:: bash |
| |
| $ uuu -v flash.bin |
