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"Das U-Boot" Source Tree
1.. SPDX-License-Identifier: GPL-2.0+
2
3imx93_var_som
4=============
5
6U-Boot for the Variscite VAR-SOM-MX93 Symphony evaluation board
7
8Quick Start
9-----------
10
11- Get and Build the ARM Trusted firmware
12- Get the DDR firmware
13- Get ahab-container.img
14- Build U-Boot
15- Boot
16
17Get and Build the ARM Trusted firmware
18--------------------------------------
19
20Note: srctree is U-Boot source directory
21Get ATF from: https://github.com/nxp-imx/imx-atf/
22branch: lf_v2.8
23
24.. code-block:: bash
25
26 $ unset LDFLAGS
27 $ make PLAT=imx93 bl31
28 $ cp build/imx93/release/bl31.bin $(srctree)
29
30Get the DDR firmware
31--------------------
32
33.. code-block:: bash
34
35 $ wget https://www.nxp.com/lgfiles/NMG/MAD/YOCTO/firmware-imx-8.21.bin
36 $ chmod +x firmware-imx-8.21.bin
37 $ ./firmware-imx-8.21.bin
38 $ cp firmware-imx-8.21/firmware/ddr/synopsys/lpddr4*.bin $(srctree)
39
40Get ahab-container.img
41----------------------
42
43.. code-block:: bash
44
45 $ wget https://www.nxp.com/lgfiles/NMG/MAD/YOCTO/firmware-sentinel-0.11.bin
46 $ chmod +x firmware-sentinel-0.11.bin
47 $ ./firmware-sentinel-0.11.bin
48 $ cp firmware-sentinel-0.11/mx93a1-ahab-container.img $(srctree)
49
50Build U-Boot
51------------
52
53.. code-block:: bash
54
55 $ export CROSS_COMPILE=aarch64-poky-linux-
56 $ make imx93_var_som_defconfig
57 $ make
58
59Burn the flash.bin to MicroSD card offset 32KB:
60
61.. code-block:: bash
62
63 $ dd if=flash.bin of=/dev/sd[x] bs=1024 seek=32 conv=notrunc
64
65Boot
66----
67
68Set Boot switch to SD boot