[PATCH 2/2] mx7ulp: add base SPL support for mx7ulp

Fabio Estevam festevam at gmail.com
Tue Sep 7 21:02:56 CEST 2021


Hi Oleksandr,

On Tue, Sep 7, 2021 at 11:59 AM Oleksandr Suvorov
<oleksandr.suvorov at foundries.io> wrote:

>  arch/arm/Makefile              |  2 +-
>  arch/arm/mach-imx/Makefile     |  2 +-
>  arch/arm/mach-imx/mx7ulp/soc.c |  2 +-
>  arch/arm/mach-imx/spl.c        | 12 ++++++--
>  include/configs/imx7ulp_spl.h  | 52 ++++++++++++++++++++++++++++++++++

Could you also include a user for this header file as part of the series?

> + * see figure 35-5 in i.MX 7ULP Reference manual:
> + *  - IMX7ULP A7 OCRAM free area RAM is from 0x2F010000 to 0x2F03FF00.
> + *  - Set the stack at the end of the free area section, at 0x2003FEB8.
> + *  - The BOOT ROM loads what they consider the firmware image
> + *    which consists of a 4K header in front of us that contains the IVT, DCD
> + *    and some padding thus 'our' max size is really 0x2F03FF00 - 0x2F011000.
> + *    187KB is more then enough for the SPL.

s/then/than

> +/* Define the payload for FAT/EXT support */
> +#if CONFIG_IS_ENABLED(SPL_FS_FAT) || CONFIG_IS_ENABLED(SPL_FS_EXT4)
> +# if CONFIG_IS_ENABLED(OF_CONTROL)
> +#  define CONFIG_SPL_FS_LOAD_PAYLOAD_NAME      "u-boot-dtb.img"
> +# else
> +#  define CONFIG_SPL_FS_LOAD_PAYLOAD_NAME      "u-boot.img"

You could drop the ifdef and assume OF_CONTROL is always present.


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