Hi Volodymyr,
I have run OP-TEE on an i.MX8MQ EVK together with TF-A and Barebox. For the TF-A I used the imx-atf found at https://source.codeaurora.org/external/imx/imx-atf/, a current OP-TEE revision for i.MX8MQ and a current Barebox Release. Boot Flow works like this:
ROM -> Barebox PBL (DDR Setup, load TF-A from SD-Card) -> TF-A -> OP- TEE -> Barebox PBL -> Barebox.
OP-TEE needs to be compiled into the TF-A, and TF-A is compiled into Barebox. I don't have the exact compile flags for TF-A on hand any longer, you'll have to look at the source, should be in the plat/arm/imx/ directory. If you have more questions let me know.
Regards, Rouven
On Thu, 2020-03-26 at 23:54 +0200, Volodymyr Babchuk wrote:
Hello maintainers,
I'm trying to boot OP-TEE in custom imx8qm-based board. As I can see from OP-TEE sources, it is available for this type of SOC. But, I can't find any instructions on how to actually load and boot it.
Would you please share inputs?
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