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- 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
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