From b2d8bda2b9333ba9f4b0d2ce4b7fd1b28315ee4c Mon Sep 17 00:00:00 2001 From: Tim Crawford Date: Wed, 22 Jun 2022 09:20:34 -0600 Subject: [PATCH] docs: Add note about regenerating CSME CSME image may need to be configured to disable PTT, Boot Guard, and locking of the descriptor. Signed-off-by: Tim Crawford --- docs/adding-a-new-board.md | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/docs/adding-a-new-board.md b/docs/adding-a-new-board.md index a369b23..6200538 100644 --- a/docs/adding-a-new-board.md +++ b/docs/adding-a-new-board.md @@ -78,6 +78,12 @@ cp coreboot/.config models//coreboot.config `generate.sh` does not create `devicetree.cb`. Some values for this file can be produced using the `devicetree.py` script. +## Configuring Intel CSME + +The CSME image may need to be regenerated. Common changes that may be required +are disabling Platform Trust Technology (PTT) so the discrete TPM device will +work, and changing the Boot Guard profile to disable verified boot. + ## Porting System76 EC To port System76 EC firmware to a new board, see the EC documentation.