| .. SPDX-License-Identifier: GPL-2.0+ |
| |
| imx93_var_som |
| ============= |
| |
| U-Boot for the Variscite VAR-SOM-MX93 Symphony evaluation board |
| |
| Quick Start |
| ----------- |
| |
| - Get and Build the ARM Trusted firmware |
| - Get the DDR firmware |
| - Get ahab-container.img |
| - Build U-Boot |
| - Boot |
| |
| Get and Build the ARM Trusted firmware |
| -------------------------------------- |
| |
| Note: srctree is U-Boot source directory |
| Get ATF from: https://github.com/nxp-imx/imx-atf/ |
| branch: lf_v2.8 |
| |
| .. code-block:: bash |
| |
| $ unset LDFLAGS |
| $ make PLAT=imx93 bl31 |
| $ cp build/imx93/release/bl31.bin $(srctree) |
| |
| Get the DDR firmware |
| -------------------- |
| |
| .. code-block:: bash |
| |
| $ wget https://www.nxp.com/lgfiles/NMG/MAD/YOCTO/firmware-imx-8.21.bin |
| $ chmod +x firmware-imx-8.21.bin |
| $ ./firmware-imx-8.21.bin |
| $ cp firmware-imx-8.21/firmware/ddr/synopsys/lpddr4*.bin $(srctree) |
| |
| Get ahab-container.img |
| ---------------------- |
| |
| .. code-block:: bash |
| |
| $ wget https://www.nxp.com/lgfiles/NMG/MAD/YOCTO/firmware-sentinel-0.11.bin |
| $ chmod +x firmware-sentinel-0.11.bin |
| $ ./firmware-sentinel-0.11.bin |
| $ cp firmware-sentinel-0.11/mx93a1-ahab-container.img $(srctree) |
| |
| Build U-Boot |
| ------------ |
| |
| .. code-block:: bash |
| |
| $ export CROSS_COMPILE=aarch64-poky-linux- |
| $ make imx93_var_som_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 |
| ---- |
| |
| Set Boot switch to SD boot |