| U-Boot for the Ronetix i.MX8MQ-CM board |
| |
| Quick Start |
| =========== |
| - Build the ARM Trusted firmware binary |
| - Get ddr firmware |
| - Build U-Boot |
| - Boot |
| |
| Get and Build the ARM Trusted firmware |
| ====================================== |
| $ git clone https://source.codeaurora.org/external/imx/imx-atf |
| $ cd imx-atf |
| $ git checkout imx_4.19.35_1.0.0 |
| $ make PLAT=imx8mq bl31 |
| $ cd .. |
| $ cp imx-atf/build/imx8mq/release/bl31.bin . |
| |
| Get the ddr firmware |
| ==================== |
| $ 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.bin |
| $ cp firmware-imx-8.9/firmware/ddr/synopsys/lpddr4*.bin . |
| |
| Build U-Boot |
| ============ |
| $ /opt/cross/aarch64-ronetix-linux-9.2/bin/aarch64-ronetix-linux-gnu- |
| $ make imx8mq_cm_defconfig |
| $ make |
| |
| Burn the flash.bin to MicroSD card offset 33KB |
| ============================================== |
| $sudo dd if=flash.bin of=/dev/sd[x] bs=1024 seek=33 conv=sync |
| $sudo dd if=u-boot.itb of=/dev/sd[x] bs=1024 seek=384 conv=sync |
| |
| Boot |
| ==== |
| Set Boot switch on base board iMX8M-MB to SD boot: |
| SW1[8:1]: OFF OFF OFF ON - OFF ON OFF OFF |
| SW4[2:1]: OFF OFF |
| J4: 1,2 - open; 3,4 - close; 5,6 - open |