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author | Reka Norman <rekanorman@chromium.org> | 2022-11-08 10:58:27 +1100 |
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committer | Felix Held <felix-coreboot@felixheld.de> | 2022-11-17 13:22:17 +0000 |
commit | bedc9b75a7d58c9647a5e980a81ddca471d60b50 (patch) | |
tree | e0b7d3331e96f073e962f0d863f55f3b48c9227b /src/lib/spd_cache.c | |
parent | 08c77dadf359d42ef99e86647b7b4c73c3cc9f0e (diff) |
soc/intel/alderlake: Check MANUF_LOCK when logging manufacturing mode
As per Intel doc #627331 Section 3.6.1 "Intel CSME Production Machine
Determination", from ADL onwards there are three criteria which
determine whether a device is in production mode:
1. Fuses are programmed
2. SPI descriptor is locked
3. Manufacturing variables are locked
When logging whether the device is in manufacturing mode, 1 and 2 are
already checked. Add a check for 3 as well.
Also add logs for each individual criteria so it's easy to tell why the
overall Manufacturing Mode is set or not.
BUG=b:255462682
TEST=On a nivviks which has not gone through EOM:
Before:
[DEBUG] ME: Manufacturing Mode : YES
[DEBUG] ME: SPI Protection Mode Enabled : NO
After:
[DEBUG] ME: Manufacturing Mode : YES
[DEBUG] ME: SPI Protection Mode Enabled : NO
[DEBUG] ME: FPFs Committed : NO
[DEBUG] ME: Manufacturing Vars Locked : NO
On an anahera which has gone through EOM:
Before:
[DEBUG] ME: Manufacturing Mode : NO
[DEBUG] ME: SPI Protection Mode Enabled : YES
After:
[DEBUG] ME: Manufacturing Mode : NO
[DEBUG] ME: SPI Protection Mode Enabled : YES
[DEBUG] ME: FPFs Committed : YES
[DEBUG] ME: Manufacturing Vars Locked : YES
Change-Id: Iac605baa291ab5cc5f28464006f4828c12c748fe
Signed-off-by: Reka Norman <rekanorman@chromium.org>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/69324
Reviewed-by: Eric Lai <eric_lai@quanta.corp-partner.google.com>
Reviewed-by: Kapil Porwal <kapilporwal@google.com>
Reviewed-by: Kangheui Won <khwon@chromium.org>
Reviewed-by: Subrata Banik <subratabanik@google.com>
Reviewed-by: Michał Żygowski <michal.zygowski@3mdeb.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Diffstat (limited to 'src/lib/spd_cache.c')
0 files changed, 0 insertions, 0 deletions