2021-04-23 07:45:52 +00:00
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U-Boot for the Ronetix i.MX8MQ-CM board
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Quick Start
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===========
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- Build the ARM Trusted firmware binary
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- Get ddr firmware
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- Build U-Boot
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- Boot
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Get and Build the ARM Trusted firmware
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======================================
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2023-01-13 00:52:23 +00:00
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$ git clone https://github.com/nxp-imx/imx-atf
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2021-04-23 07:45:52 +00:00
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$ cd imx-atf
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$ git checkout imx_4.19.35_1.0.0
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$ make PLAT=imx8mq bl31
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$ cd ..
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$ cp imx-atf/build/imx8mq/release/bl31.bin .
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Get the ddr firmware
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====================
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$ wget https://www.nxp.com/lgfiles/NMG/MAD/YOCTO/firmware-imx-8.9.bin
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$ chmod +x firmware-imx-8.9.bin
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$ ./firmware-imx-8.9.bin
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$ cp firmware-imx-8.9/firmware/ddr/synopsys/lpddr4*.bin .
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Build U-Boot
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============
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$ /opt/cross/aarch64-ronetix-linux-9.2/bin/aarch64-ronetix-linux-gnu-
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$ make imx8mq_cm_defconfig
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$ make
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Burn the flash.bin to MicroSD card offset 33KB
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==============================================
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$sudo dd if=flash.bin of=/dev/sd[x] bs=1024 seek=33 conv=sync
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$sudo dd if=u-boot.itb of=/dev/sd[x] bs=1024 seek=384 conv=sync
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Boot
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====
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Set Boot switch on base board iMX8M-MB to SD boot:
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SW1[8:1]: OFF OFF OFF ON - OFF ON OFF OFF
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SW4[2:1]: OFF OFF
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J4: 1,2 - open; 3,4 - close; 5,6 - open
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