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https://github.com/AsahiLinux/u-boot
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7b14cc991b
Update the ddrc Qos setting for B1 to align with B0's setting. Correct the initial clock for dram_pll. This setting will be overwrite before ddr phy training. Although there is no impact on the dram init, we still need to correct it to eliminate confusion. Signed-off-by: Bai Ping <ping.bai@nxp.com> Reviewed-by: Ye Li <ye.li@nxp.com> Tested-by: Robby Cai <robby.cai@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_4.14.62_1.0.0_beta $ 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.