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https://github.com/brain-hackers/u-boot-brain
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3b5aefac56
Following the README instructions leads to a non-booting U-Boot: U-Boot SPL 2020.01-rc3-00070-g9a0cbae22a (Nov 25 2019 - 13:08:24 -0300) PMIC: PFUZE100 ID=0x10 DDRINFO: start DRAM init DDRINFO:ddrphy calibration done DDRINFO: ddrmix config done Normal Boot Trying to boot from MMC2 (It hangs here) Use the "imx_4.19.35_1.0.0" ATF branch instead, which fixes such problem and allow the boot to complete again. Suggested-by: Adam Ford <aford173@gmail.com> Signed-off-by: Fabio Estevam <festevam@gmail.com> Acked-by: Peng Fan <peng.fan@nxp.com>
38 lines
1.0 KiB
Plaintext
38 lines
1.0 KiB
Plaintext
U-Boot for the NXP i.MX8MQ EVK 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 and hdmi fimware
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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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Note: srctree is U-Boot source directory
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Get ATF from: https://source.codeaurora.org/external/imx/imx-atf
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branch: imx_4.19.35_1.0.0
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$ make PLAT=imx8mq bl31
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$ cp build/imx8mq/release/bl31.bin $(srctree)
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Get the ddr and hdmi firmware
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=============================
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$ wget https://www.nxp.com/lgfiles/NMG/MAD/YOCTO/firmware-imx-7.9.bin
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$ chmod +x firmware-imx-7.9.bin
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$ ./firmware-imx-7.9.bin
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$ cp firmware-imx-7.9/firmware/hdmi/cadence/signed_hdmi_imx8m.bin $(srctree)
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$ cp firmware-imx-7.9/firmware/ddr/synopsys/lpddr4*.bin $(srctree)
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Build U-Boot
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============
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$ export CROSS_COMPILE=aarch64-poky-linux-
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$ make imx8mq_evk_defconfig
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$ make flash.bin
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Burn the flash.bin to MicroSD card offset 33KB
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$sudo dd if=flash.bin of=/dev/sd[x] bs=1024 seek=33
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Boot
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====
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Set Boot switch SW801: 1100 and Bmode: 10 to boot from Micro SD.
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