| U-Boot for the NXP i.MX8MM EVK board |
| |
| Quick Start |
| =========== |
| - Build the ARM Trusted firmware binary |
| - Get ddr fimware |
| - 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_4.19.35_1.0.0 |
| $ make PLAT=imx8mm bl31 |
| $ cp build/imx8mm/release/bl31.bin $(srctree) |
| |
| Get the ddr and hdmi firmware |
| ============================= |
| $ wget https://www.nxp.com/lgfiles/NMG/MAD/YOCTO/firmware-imx-8.0.bin |
| $ chmod +x firmware-imx-8.0.bin |
| $ ./firmware-imx-8.0 |
| $ cp firmware-imx-7.9/firmware/ddr/synopsys/lpddr4*.bin $(srctree) |
| |
| Build U-Boot |
| ============ |
| $ export CROSS_COMPILE=aarch64-poky-linux- |
| $ make imx8mm_evk_defconfig |
| $ export ATF_LOAD_ADDR=0x920000 |
| $ make flash.bin |
| |
| Burn the flash.bin to MicroSD card offset 33KB |
| $sudo dd if=flash.bin of=/dev/sd[x] bs=1024 seek=33 |
| |
| Boot |
| ==== |
| Set Boot switch to SD boot |