Hi Simon,
On 9/29/26 18:31, Simon Glass wrote:
Hi Jérémie,
On 2026-09-11T16:35:05, Jérémie Dautheribes (Schneider Electric)
<[email protected]> wrote:
doc: imx: ahab: add AHAB introduction
Add an introductory document describing the AHAB (Advanced High
Assurance Boot) secure and encrypted boot flow, covering the
following topics:
- AHAB architecture overview (SCU, SECO, PKI tree)
- AHAB secure boot and encrypted boot flow
- PKI tree generation (ahab_pki_tree)
- SRK Table and SRK Hash generation (srktool)
- SRK Hash fuse programming and sanity check notes
- i.MX 8ULP/93 secure boot support
This is based on doc/imx/ahab/introduction_ahab.txt from uboot-imx
(lf_v2026.04). Originally written by Breno Lima, with contributions
from Ye Li, Vanessa Maegima, and Utkarsh Gupta upstream in
uboot-imx.
Signed-off-by: Jérémie Dautheribes (Schneider Electric)
<[email protected]>
doc/board/nxp/index.rst | 2 +
doc/imx/ahab/introduction_ahab.rst | 459 +++++++++++++++++++++++++++++++++++++
doc/imx/index.rst | 13 ++
3 files changed, 474 insertions(+)
diff --git a/doc/imx/ahab/introduction_ahab.rst
b/doc/imx/ahab/introduction_ahab.rst
@@ -0,0 +1,459 @@
+ ┌┬─────┴─────┬┐ │ │ ││ |
+ ││Load ELE FW││─────────────>│ ││ │
+ └┴─────┬─────┴┘ | | |│ │
Can you check that this actually renders correctly with 'make
htmldocs'? I am still seeing a mixture of | and box character.
On my end it was correctly rendered so I didn't notice, but indeed I'm
mixing ASCII and Unicode box char, I'll address this in v4.
Thanks for your review!
Jérémie
--
Jérémie Dautheribes, Bootlin
Embedded Linux and Kernel engineering
https://bootlin.com