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-rw-r--r--docs/porting-guide.md6
-rw-r--r--docs/user-guide.md5
2 files changed, 11 insertions, 0 deletions
diff --git a/docs/porting-guide.md b/docs/porting-guide.md
index c7b9e89c..047e2250 100644
--- a/docs/porting-guide.md
+++ b/docs/porting-guide.md
@@ -299,6 +299,12 @@ also be defined:
Firmware Update (FWU) certificate identifier, used by NS_BL1U to load the
FWU content certificate.
+* **#define : PLAT_CRYPTOCELL_BASE**
+
+ This defines the base address of ARM® TrustZone® CryptoCell and must be
+ defined if CryptoCell crypto driver is used for Trusted Board Boot. For
+ capable ARM platforms, this driver is used if `ARM_CRYPTOCELL_INTEG` is
+ set.
If the AP Firmware Updater Configuration image, BL2U is used, the following
must also be defined:
diff --git a/docs/user-guide.md b/docs/user-guide.md
index 29691c5b..ea2874d8 100644
--- a/docs/user-guide.md
+++ b/docs/user-guide.md
@@ -623,6 +623,11 @@ performed.
with version 1 of the translation tables library instead of version 2. It is
set to 0 by default, which selects version 2.
+* `ARM_CRYPTOCELL_INTEG` : bool option to enable Trusted Firmware to invoke
+ ARM® TrustZone® CryptoCell functionality for Trusted Board Boot on capable
+ ARM platforms. If this option is specified, then the path to the CryptoCell
+ SBROM library must be specified via `CCSBROM_LIB_PATH` flag.
+
For a better understanding of these options, the ARM development platform memory
map is explained in the [Firmware Design].