[PATCH v2 1/3] binman: imx8mimage: Handle nxp,boot-from = "fspi"

Fabio Estevam festevam at gmail.com
Thu May 28 14:43:42 CEST 2026


Hi Marek,

On Mon, May 25, 2026 at 8:52 PM Marek Vasut <marex at nabladev.com> wrote:
>
> Boot from FSPI requires additional 448 Byte long header, with U-Boot SPL
> starting at offset 0x1000. Currently, both i.MX8MM and i.MX8MN attempt
> to generate this header using fspi_conf_block with filename pointing at
> CONFIG_FSPI_CONF_FILE file. This does not work, for two reasons.
>
> First, the CONFIG_FSPI_CONF_FILE is generated by mkimage -T imx8mimage
> and may not be available yet when the fspi_conf_block is evaluated. That
> leads to a race condition where highly parallel builds fail to find the
> CONFIG_FSPI_CONF_FILE, which is usually called fspi_header.bin, on first
> build attempt.
>
> Second, binman gets confused and patches incorrect offset of DDR PHY
> firmware blobs into U-Boot SPL, the offset is incremented by exactly
> 0x1000 which is the size of fspi_conf_block.
>
> Fix both problems at once, make imx8mimage handle the generated FSPI
> header and prepend it in front of the imx8mimage processed data. This
> way, the race condition is solved, because the data generated by the
> imx8mimage are surely combined only after mkimage -T imx8mimage ran.
> The binman offset calculation is also solved, because there is no
> fspi_conf_block node in the DT anymore.
>
> Signed-off-by: Marek Vasut <marex at nabladev.com>

Is this series 2026.07 material, or can it wait until 2026.10?

Alexander, if possible, please test this series and reply with your
Tested-by tag.

Thanks


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