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author | Nayna Jain <nayna@linux.ibm.com> | 2020-09-16 11:21:20 -0500 |
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committer | Oliver O'Halloran <oohall@gmail.com> | 2020-10-01 13:44:06 +1000 |
commit | 31f662a51bfc8bfb5a9fdeb1f84951b6dbf6df72 (patch) | |
tree | 280fe63f4bf0821fb1b0e2c9ca2a47e7eece89b5 /doc | |
parent | 84a430a4f57f028ab223292576e49d4c07effb8d (diff) | |
download | skiboot-31f662a51bfc8bfb5a9fdeb1f84951b6dbf6df72.zip skiboot-31f662a51bfc8bfb5a9fdeb1f84951b6dbf6df72.tar.gz skiboot-31f662a51bfc8bfb5a9fdeb1f84951b6dbf6df72.tar.bz2 |
hdata/spira: add physical presence flags
This patch reads the hdata bits to check for physical presence
assertion, and creates device tree entries to be consumed later in the
boot.
Signed-off-by: Nayna Jain <nayna@linux.ibm.com>
Signed-off-by: Eric Richter <erichte@linux.ibm.com>
Signed-off-by: Oliver O'Halloran <oohall@gmail.com>
Diffstat (limited to 'doc')
-rw-r--r-- | doc/device-tree/ibm,secureboot.rst | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/doc/device-tree/ibm,secureboot.rst b/doc/device-tree/ibm,secureboot.rst index 3113b3f..42f69b2 100644 --- a/doc/device-tree/ibm,secureboot.rst +++ b/doc/device-tree/ibm,secureboot.rst @@ -39,6 +39,23 @@ Required properties images (e.g. kernels) to be signed by an appropriate key stored in secure variables. + physical-presence-asserted: + this property exists to indicate the physical presence + of user to request key clearance. + + clear-os-keys: this property exists when the firmware indicates that + physical presence is asserted to clear only Host OS + secure boot keys. + + clear-all-keys: this property exists when the firmware indicates that + physical presence is asserted to clear all sensistive + data controlled by platform firmware. + + clear-mfg-keys: this property exists only during manufacturing process + when the firmware indicates to clear all senstive data + during manufacturing. It is only valid on development + drivers. + Obsolete properties ------------------- |