1.. SPDX-License-Identifier: GPL-2.0+
2
3imx8mp_evk
4==========
5
6U-Boot for the NXP i.MX8MP EVK board
7
8Quick Start
9-----------
10
11- Build the ARM Trusted firmware binary
12- Get the firmware-imx package
13- Build U-Boot
14- Boot
15
16Get and Build the ARM Trusted firmware
17--------------------------------------
18
19Get ATF from: https://source.codeaurora.org/external/imx/imx-atf
20branch: imx_5.4.70_2.3.0
21
22.. code-block:: bash
23
24   $ make PLAT=imx8mp bl31
25
26Get the ddr firmware
27--------------------
28
29.. code-block:: bash
30
31   $ wget https://www.nxp.com/lgfiles/NMG/MAD/YOCTO/firmware-imx-8.10.bin
32   $ chmod +x firmware-imx-8.10.bin
33   $ ./firmware-imx-8.10.bin
34
35Build U-Boot
36------------
37
38.. code-block:: bash
39
40   $ export CROSS_COMPILE=aarch64-poky-linux-
41   $ make O=build imx8mp_evk_defconfig
42   $ cp ../imx-atf/build/imx8mp/release/bl31.bin ./build/bl31.bin
43   $ cp ../firmware-imx-8.10/firmware/ddr/synopsys/lpddr4_pmu_train_1d_dmem_202006.bin ./build/lpddr4_pmu_train_1d_dmem.bin
44   $ cp ../firmware-imx-8.10/firmware/ddr/synopsys/lpddr4_pmu_train_1d_imem_202006.bin ./build/lpddr4_pmu_train_1d_imem.bin
45   $ cp ../firmware-imx-8.10/firmware/ddr/synopsys/lpddr4_pmu_train_2d_dmem_202006.bin ./build/lpddr4_pmu_train_2d_dmem.bin
46   $ cp ../firmware-imx-8.10/firmware/ddr/synopsys/lpddr4_pmu_train_2d_imem_202006.bin ./build/lpddr4_pmu_train_2d_imem.bin
47   $ export ATF_LOAD_ADDR=0x970000
48   $ make O=build flash.bin
49
50Burn the flash.bin to the MicroSD card at offset 32KB:
51
52.. code-block:: bash
53
54   $sudo dd if=build/flash.bin of=/dev/sd[x] bs=1K seek=32 conv=notrunc; sync
55
56Boot
57----
58
59Set Boot switch to SD boot
60Use /dev/ttyUSB2 for U-Boot console
61