imx: Add support for i.MX8MN Beacon EmbeddedWorks devkit.
Beacon EmbeddedWorks is releasing a devkit based on the i.MX8M
Nano SoC consisting of baseboard + SOM.
The kit is based on the same design as the Beacon dev kit with
the i.MX8M Mini.
Signed-off-by: Adam Ford <aford173@gmail.com>
Reviewed-by: Peng Fan <peng.fan@nxp.com>
diff --git a/board/beacon/imx8mn/README b/board/beacon/imx8mn/README
new file mode 100644
index 0000000..d3c90d3
--- /dev/null
+++ b/board/beacon/imx8mn/README
@@ -0,0 +1,39 @@
+U-Boot for the Beacon EmbeddedWorks i.MX8M Nano Devkit
+
+Quick Start
+===========
+- Build the ARM Trusted firmware binary
+- Get ddr firmware
+- Build U-Boot
+- Boot
+
+Get and Build the ARM Trusted firmware
+======================================
+Note: $(srctree) is U-Boot source directory
+
+$ git clone https://source.codeaurora.org/external/imx/imx-atf
+$ git checkout imx_5.4.47_2.2.0
+$ make PLAT=imx8mn bl31 CROSS_COMPILE=aarch64-linux-gnu-
+$ cp build/imx8mm/release/bl31.bin $(srctree)
+
+Get the DDR firmware
+====================
+$ wget https://www.nxp.com/lgfiles/NMG/MAD/YOCTO/firmware-imx-8.9.bin
+$ chmod +x firmware-imx-8.9.bin
+$ ./firmware-imx-8.9
+$ cp firmware-imx-8.9/firmware/ddr/synopsys/lpddr4*.bin $(srctree)
+
+Build U-Boot
+============
+$ make imx8mn_beacon_defconfig
+$ make flash.bin CROSS_COMPILE=aarch64-linux-gnu- ATF_LOAD_ADDR=0x960000
+
+Burn U-Boot to microSD Card
+===========================
+$ sudo dd if=flash.bin of=/dev/sd[x] bs=1024 seek=32
+
+Boot
+====
+Set baseboard DIP switch:
+S17: 1100XXXX
+