[RFC PATCH 2/2] riscv: dts: binman.dtsi: Include OP-TEE OS image

[Leo Liang]

On Sat, Jan 11, 2025 at 09:55:27AM +0800, Yu-Chien Peter Lin wrote:
> The following diagram illustrates the boot flow for OP-TEE OS
> initialization on RISC-V.
> 
>     (1)-----------+
>      | U-Boot SPL |
>      +------------+
>          |
>          v
>     (2)-------------------------------------------------------------+
>      | OpenSBI (fw_dynamic.bin)                                     |
>      |                (4)------------------------+                  |
>      |                 | optee dispatcher driver |                  |
>      +-----------------+-------^---------|-------+------------------+
> M-mode   |                     |         |
> ---------+--[trusted domain]---+----.----+--[untrusted domain]-------
> S-mode   |  (coldboot domain)  |    |    |
>          v                     |    |    v
>     (3)---------------------------+ |(5)----------------------------+
>      | OP-TEE OS (tee.bin)        | | | U-Boot (u-boot-nodtb.bin)   |
>      +----------------------------+ | +-----------------------------+
>                                     |    |
>                                     |    v
>                                     |(6)----------------------------+
>                                     | | Linux                       |
>                                     | +-----------------------------+
> 
> This patch enables the inclusion of the OP-TEE binary within the
> U-Boot ITB, allowing it to be loaded to a platform defined address
> by U-Boot SPL.
> 
> Signed-off-by: Yu-Chien Peter Lin <peter.lin at sifive.com>
> ---
>  arch/riscv/dts/binman.dtsi | 26 ++++++++++++++++++++++++--
>  1 file changed, 24 insertions(+), 2 deletions(-)

Reviewed-by: Leo Yu-Chi Liang <ycliang at andestech.com>