1U-Boot for the Beacon EmbeddedWorks Devkit
2
3Quick Start
4===========
5- Build the ARM Trusted firmware binary
6- Get ddr firmware
7- Build U-Boot
8- Boot
9
10Get and Build the ARM Trusted firmware
11======================================
12Note: $(srctree) is U-Boot source directory
13
14$ git clone https://source.codeaurora.org/external/imx/imx-atf
15$ git checkout imx_4.19.35_1.0.0
16$ make PLAT=imx8mm bl31 ARCH=arm CROSS_COMPILE=aarch64-linux-gnu-
17$ cp build/imx8mm/release/bl31.bin $(srctree)
18
19Get the DDR firmware
20====================
21$ wget https://www.nxp.com/lgfiles/NMG/MAD/YOCTO/firmware-imx-8.5.bin
22$ chmod +x firmware-imx-8.5.bin
23$ ./firmware-imx-8.5
24$ cp firmware-imx-8.5/firmware/ddr/synopsys/lpddr4*.bin $(srctree)
25
26Build U-Boot
27============
28$ make imx8mm_beacon_defconfig
29$ make flash.bin CROSS_COMPILE=aarch64-linux-gnu- ATF_LOAD_ADDR=0x920000
30
31Burn U-Boot to microSD Card
32===========================
33$ sudo dd if=flash.bin of=/dev/sd[x] bs=1024 seek=33
34
35Boot
36====
37Set Boot switch to SD boot
38