Implementation - HABv4 on imx8m

[Suniel Mahesh]

On Sat, Mar 6, 2021 at 10:28 AM Suniel Mahesh
<sunil at amarulasolutions.com> wrote:
>
> Hi All,
>
> We are trying to implement HABv4 on an IMX8M Mini based target.
>
> I have followed this discussion[1] and the patch[2].
> [1] http://u-boot.10912.n7.nabble.com/Habv4-on-imx8m-tt437232.html#none
> [2] https://patchwork.ozlabs.org/project/uboot/patch/20210304111742.2369738-1-festevam@gmail.com/
>
> Here are my queries:
> a. IMX8M Mini doesnt support AHAB, it only supports HABv4. Is my
> understanding correct ?
>
> b. Can you guys point me to any working source repo where HABv4 is
> tested on imx8m
> (Fabio talks about the vendor U-Boot code does like this, is this repo
> accessible ?)
>
> c. if (a) is not available, then after applying patch[2], should we

correction: if (b) is not available

> need to add/change these two configs for IMX8M Mini:
> CONFIG_IMX_CONTAINER_CFG
> CONFIG_SYS_EXTRA_OPTIONS
> (reference: board/freescale/imx8qm_mek)
>
> d. doc/imx/habv4 talks with reference to imx6,7. Are there any other
> items I need to take care of when working on IMX8M Mini secure boot:
>
> Please suggest how should we go about.
>
> Thanks and Regards
> --
> Suniel Mahesh
> Embedded Linux and Kernel Engineer
> Amarula Solutions India