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-rw-r--r--docs/plat/arm/arm-build-options.rst16
1 files changed, 13 insertions, 3 deletions
diff --git a/docs/plat/arm/arm-build-options.rst b/docs/plat/arm/arm-build-options.rst
index d24ad231d8..9622de65df 100644
--- a/docs/plat/arm/arm-build-options.rst
+++ b/docs/plat/arm/arm-build-options.rst
@@ -57,8 +57,7 @@ Arm Platform Build Options
``ARM_ROTPK_LOCATION`` are:
- ``regs`` : return the ROTPK hash stored in the Trusted root-key storage
- registers. The private key corresponding to this ROTPK hash is not
- currently available.
+ registers.
- ``devel_rsa`` : return a development public key hash embedded in the BL1
and BL2 binaries. This hash has been obtained from the RSA public key
``arm_rotpk_rsa.der``, located in ``plat/arm/board/common/rotpk``. To use
@@ -70,6 +69,12 @@ Arm Platform Build Options
use this option, ``arm_rotprivk_ecdsa.pem`` must be specified as
``ROT_KEY`` when creating the certificates.
+- ``ARM_ROTPK_HASH``: used when ``ARM_ROTPK_LOCATION=devel_*``. Specifies the
+ location of the ROTPK hash. Not expected to be a build option. This defaults to
+ ``plat/arm/board/common/rotpk/*_sha256.bin`` depending on the specified algorithm.
+ Providing ``ROT_KEY`` enforces generation of the hash from the ``ROT_KEY`` and
+ overwrites the default hash file.
+
- ``ARM_TSP_RAM_LOCATION``: location of the TSP binary. Options:
- ``tsram`` : Trusted SRAM (default option when TBB is not enabled)
@@ -109,6 +114,11 @@ Arm CSS Platform-Specific Build Options
management operations and for SCP RAM Firmware transfer. If this option
is set to 1, then SCMI/SDS drivers will be used. Default is 0.
+ - ``CSS_SGI_CHIP_COUNT``: Configures the number of chips on a SGI/RD platform
+ which supports multi-chip operation. If ``CSS_SGI_CHIP_COUNT`` is set to any
+ valid value greater than 1, the platform code performs required configuration
+ to support multi-chip operation.
+
--------------
-*Copyright (c) 2019, Arm Limited. All rights reserved.*
+*Copyright (c) 2019-2020, Arm Limited. All rights reserved.*