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https://github.com/AsahiLinux/u-boot
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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> |
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| .. | ||
| imx8mq_evk.c | ||
| Kconfig | ||
| lpddr4_timing.c | ||
| lpddr4_timing_b0.c | ||
| MAINTAINERS | ||
| Makefile | ||
| README | ||
| spl.c | ||
U-Boot for the NXP i.MX8MQ EVK board Quick Start =========== - Build the ARM Trusted firmware binary - Get ddr and hdmi fimware - Build U-Boot - Boot Get and Build the ARM Trusted firmware ====================================== Note: srctree is U-Boot source directory Get ATF from: https://source.codeaurora.org/external/imx/imx-atf branch: imx_4.19.35_1.0.0 $ make PLAT=imx8mq bl31 $ cp build/imx8mq/release/bl31.bin $(srctree) 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 $(srctree) $ cp firmware-imx-7.9/firmware/ddr/synopsys/lpddr4*.bin $(srctree) Build U-Boot ============ $ export CROSS_COMPILE=aarch64-poky-linux- $ make imx8mq_evk_defconfig $ make flash.bin Burn the flash.bin to MicroSD card offset 33KB $sudo dd if=flash.bin of=/dev/sd[x] bs=1024 seek=33 Boot ==== Set Boot switch SW801: 1100 and Bmode: 10 to boot from Micro SD.