| U-Boot for Google's i.MX8MQ Phanbell board |
| |
| Quick Start |
| =========== |
| - Build the ARM Trusted firmware binary |
| - Get ddr and hdmi firmware |
| - 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: imx_4.19.35_1.0.0 |
| $ make PLAT=imx8mq bl31 |
| $ cp build/imx8mq/release/bl31.bin $(builddir) |
| |
| Get the ddr and hdmi firmware |
| ============================= |
| $ wget https://www.nxp.com/lgfiles/NMG/MAD/YOCTO/firmware-imx-7.9.bin |
| $ chmod +x firmware-imx-7.9.bin |
| $ ./firmware-imx-7.9.bin |
| $ cp firmware-imx-7.9/firmware/hdmi/cadence/signed_hdmi_imx8m.bin $(builddir) |
| $ cp firmware-imx-7.9/firmware/ddr/synopsys/lpddr4*.bin $(builddir) |
| |
| Build U-Boot |
| ============ |
| $ export CROSS_COMPILE=aarch64-linux-gnu- |
| $ make imx8mq_phanbell_defconfig |
| $ make flash.bin |
| |
| Burn the flash.bin to MicroSD card offset 33KB |
| $sudo dd if=flash.bin of=/dev/sd[x] bs=1K seek=33 |
| |
| Boot |
| ==== |
| Set Boot switch SW1: 1011 to boot from Micro SD. |