[PATCH 1/3] imx8mn: evk: add README

[Stefano Babic]

On 06/01/20 09:04, Peng Fan wrote:
> Add a README for users to build a workable image.
> 
> Signed-off-by: Peng Fan <peng.fan at nxp.com>
> ---
>  board/freescale/imx8mn_evk/README | 37 +++++++++++++++++++++++++++++++++++++
>  1 file changed, 37 insertions(+)
>  create mode 100644 board/freescale/imx8mn_evk/README
> 
> diff --git a/board/freescale/imx8mn_evk/README b/board/freescale/imx8mn_evk/README
> new file mode 100644
> index 0000000000..12754c7999
> --- /dev/null
> +++ b/board/freescale/imx8mn_evk/README
> @@ -0,0 +1,37 @@
> +U-Boot for the NXP i.MX8MM EVK board
> +
> +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

You mean the imx-atf source directory ?

> +Get ATF from: https://source.codeaurora.org/external/imx/imx-atf
> +branch: imx_4.19.35_1.1.0
> +$ make PLAT=imx8mn bl31
> +$ cp build/imx8mn/release/bl31.bin $(srctree)
> +
> +Get the ddr firmware
> +=============================
> +$ wget https://www.nxp.com/lgfiles/NMG/MAD/YOCTO/firmware-imx-8.0.bin
> +$ chmod +x firmware-imx-8.0.bin
> +$ ./firmware-imx-8.0
> +$ cp firmware-imx-8.0/firmware/ddr/synopsys/ddr4*.bin $(srctree)
> +
> +Build U-Boot
> +============
> +$ export CROSS_COMPILE=aarch64-poky-linux-
> +$ make imx8mn_ddr4_evk_defconfig
> +$ export ATF_LOAD_ADDR=0x960000
> +$ make flash.bin
> +
> +Burn the flash.bin to MicroSD card offset 32KB
> +$sudo dd if=flash.bin of=/dev/sd[x] bs=1024 seek=32
> +
> +Boot
> +====
> +Set Boot switch to SD boot
> 

Regards,
Stefano

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