1U-Boot for Google's i.MX8MQ Phanbell board
2
3Quick Start
4===========
5- Build the ARM Trusted firmware binary
6- Get ddr and hdmi firmware
7- Build U-Boot
8- Boot
9
10Get and Build the ARM Trusted firmware
11======================================
12Note: srctree is U-Boot source directory
13Get ATF from: https://source.codeaurora.org/external/imx/imx-atf
14branch: imx_4.19.35_1.0.0
15$ make PLAT=imx8mq bl31
16$ cp build/imx8mq/release/bl31.bin $(builddir)
17
18Get the ddr and hdmi firmware
19=============================
20$ wget https://www.nxp.com/lgfiles/NMG/MAD/YOCTO/firmware-imx-7.9.bin
21$ chmod +x firmware-imx-7.9.bin
22$ ./firmware-imx-7.9.bin
23$ cp firmware-imx-7.9/firmware/hdmi/cadence/signed_hdmi_imx8m.bin $(builddir)
24$ cp firmware-imx-7.9/firmware/ddr/synopsys/lpddr4*.bin $(builddir)
25
26Build U-Boot
27============
28$ export CROSS_COMPILE=aarch64-linux-gnu-
29$ make imx8mq_phanbell_defconfig
30$ make flash.bin
31
32Burn the flash.bin to MicroSD card offset 33KB
33$sudo dd if=flash.bin of=/dev/sd[x] bs=1K seek=33
34
35Boot
36====
37Set Boot switch SW1: 1011 to boot from Micro SD.
38