Hello Peter,

> -----Original Message-----
> From: Peter Bergin <pe...@berginkonsult.se>
> Sent: Friday, February 12, 2021 2:57 PM
> To: u-boot@lists.denx.de
> Cc: Peter Bergin <pe...@berginkonsult.se>; ZHIZHIKIN Andrey
> <andrey.zhizhi...@leica-geosystems.com>
> Subject: [PATCH] doc: board: freescale: imx8mp_evk: update to newer versions
> and change ATF_LOAD_ADDR
> 
> Update imx-atf and firmware-imx to latest released versions.
> 
> Update address of ATF_LOAD_ADDR that has changed to 0x490000 in imx-atf
> commit 48733cb4e773a7584ced601de9d717efa3d73815.

Commit message is incorrect, ATF_LOAD_ADDR is actually set to 0x970000

> 
> Add 'O=' to make instructions as one issue has been noticed where it was 
> trouble
> building directly inside u-boot source dir.
> 
> Signed-off-by: Peter Bergin <pe...@berginkonsult.se>
> Cc: Andrey Zhizhikin <andrey.zhizhi...@leica-geosystems.com>
> ---
>  doc/board/freescale/imx8mp_evk.rst | 24 ++++++++++++------------
>  1 file changed, 12 insertions(+), 12 deletions(-)
> 
> diff --git a/doc/board/freescale/imx8mp_evk.rst
> b/doc/board/freescale/imx8mp_evk.rst
> index ccffcf7257..5ca3bb8199 100644
> --- a/doc/board/freescale/imx8mp_evk.rst
> +++ b/doc/board/freescale/imx8mp_evk.rst
> @@ -18,7 +18,7 @@ Get and Build the ARM Trusted firmware
> 
>  Note: $(srctree) is the U-Boot source directory  Get ATF from: 
> https://source.codeaurora.org/external/imx/imx-atf
> -branch: imx_5.4.47_2.2.0
> +branch: imx_5.4.70_2.3.0
> 
>  .. code-block:: bash
> 
> @@ -30,13 +30,13 @@ Get the ddr firmware
> 
>  .. code-block:: bash
> 
> -   $ 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.bin
> -   $ cp firmware-imx-
> 8.9/firmware/ddr/synopsys/lpddr4_pmu_train_1d_dmem_201904.bin
> $(srctree)/lpddr4_pmu_train_1d_dmem.bin
> -   $ cp firmware-imx-
> 8.9/firmware/ddr/synopsys/lpddr4_pmu_train_1d_imem_201904.bin
> $(srctree)/lpddr4_pmu_train_1d_imem.bin
> -   $ cp firmware-imx-
> 8.9/firmware/ddr/synopsys/lpddr4_pmu_train_2d_dmem_201904.bin
> $(srctree)/lpddr4_pmu_train_2d_dmem.bin
> -   $ cp firmware-imx-
> 8.9/firmware/ddr/synopsys/lpddr4_pmu_train_2d_imem_201904.bin
> $(srctree)/lpddr4_pmu_train_2d_imem.bin
> +   $ wget https://www.nxp.com/lgfiles/NMG/MAD/YOCTO/firmware-imx-8.10.bin
> +   $ chmod +x firmware-imx-8.10.bin
> +   $ ./firmware-imx-8.10.bin
> +   $ cp firmware-imx-
> 8.10/firmware/ddr/synopsys/lpddr4_pmu_train_1d_dmem_202006.bin
> $(srctree)/lpddr4_pmu_train_1d_dmem.bin
> +   $ cp firmware-imx-
> 8.10/firmware/ddr/synopsys/lpddr4_pmu_train_1d_imem_202006.bin
> $(srctree)/lpddr4_pmu_train_1d_imem.bin
> +   $ cp firmware-imx-
> 8.10/firmware/ddr/synopsys/lpddr4_pmu_train_2d_dmem_202006.bin
> $(srctree)/lpddr4_pmu_train_2d_dmem.bin
> +   $ cp
> + firmware-imx-
> 8.10/firmware/ddr/synopsys/lpddr4_pmu_train_2d_imem_20200
> + 6.bin $(srctree)/lpddr4_pmu_train_2d_imem.bin
> 
>  Build U-Boot
>  ------------
> @@ -44,15 +44,15 @@ Build U-Boot
>  .. code-block:: bash
> 
>     $ export CROSS_COMPILE=aarch64-poky-linux-
> -   $ make imx8mp_evk_defconfig
> -   $ export ATF_LOAD_ADDR=0x960000
> -   $ make flash.bin
> +   $ make O=build imx8mp_evk_defconfig

As a suggestion: maybe it is better to change the order here when `make O=build 
imx8mp_evk_defconfig` called first, followed by copy of DDR firmware and ATF 
binary.

This would make sure that the ./build folder would already exist at the time 
copy operations are executed, and should make step-by-step instructions more 
transparent.

> +   $ export ATF_LOAD_ADDR=0x970000
> +   $ make O=build flash.bin
> 
>  Burn the flash.bin to the MicroSD card at offset 32KB:
> 
>  .. code-block:: bash
> 
> -   $sudo dd if=flash.bin of=/dev/sd[x] bs=1K seek=32 conv=notrunc; sync
> +   $sudo dd if=build/flash.bin of=/dev/sd[x] bs=1K seek=32
> + conv=notrunc; sync
> 
>  Boot
>  ----
> --
> 2.25.1

Otherwise:
Reviewed-by: Andrey Zhizhikin <andrey.zhizhi...@leica-geosystems.com>

Cheers,
Andrey

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