1.. _build_options_arm_fvp_platform:
2
3Arm FVP Platform Specific Build Options
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5
6-  ``FVP_CLUSTER_COUNT`` : Configures the cluster count to be used to
7   build the topology tree within TF-A. By default TF-A is configured for dual
8   cluster topology and this option can be used to override the default value.
9
10-  ``FVP_INTERCONNECT_DRIVER``: Selects the interconnect driver to be built. The
11   default interconnect driver depends on the value of ``FVP_CLUSTER_COUNT`` as
12   explained in the options below:
13
14   -  ``FVP_CCI`` : The CCI driver is selected. This is the default
15      if 0 < ``FVP_CLUSTER_COUNT`` <= 2.
16   -  ``FVP_CCN`` : The CCN driver is selected. This is the default
17      if ``FVP_CLUSTER_COUNT`` > 2.
18
19-  ``FVP_MAX_CPUS_PER_CLUSTER``: Sets the maximum number of CPUs implemented in
20   a single cluster.  This option defaults to 4.
21
22-  ``FVP_MAX_PE_PER_CPU``: Sets the maximum number of PEs implemented on any CPU
23   in the system. This option defaults to 1. Note that the build option
24   ``ARM_PLAT_MT`` doesn't have any effect on FVP platforms.
25
26-  ``FVP_USE_GIC_DRIVER`` : Selects the GIC driver to be built. Options:
27
28   -  ``FVP_GICV2`` : The GICv2 only driver is selected
29   -  ``FVP_GICV3`` : The GICv3 only driver is selected (default option)
30
31-  ``FVP_HW_CONFIG_DTS`` : Specify the path to the DTS file to be compiled
32   to DTB and packaged in FIP as the HW_CONFIG. See :ref:`Firmware Design` for
33   details on HW_CONFIG. By default, this is initialized to a sensible DTS
34   file in ``fdts/`` folder depending on other build options. But some cases,
35   like shifted affinity format for MPIDR, cannot be detected at build time
36   and this option is needed to specify the appropriate DTS file.
37
38-  ``FVP_HW_CONFIG`` : Specify the path to the HW_CONFIG blob to be packaged in
39   FIP. See :ref:`Firmware Design` for details on HW_CONFIG. This option is
40   similar to the ``FVP_HW_CONFIG_DTS`` option, but it directly specifies the
41   HW_CONFIG blob instead of the DTS file. This option is useful to override
42   the default HW_CONFIG selected by the build system.
43
44-  ``FVP_GICR_REGION_PROTECTION``: Mark the redistributor pages of
45   inactive/fused CPU cores as read-only. The default value of this option
46   is ``0``, which means the redistributor pages of all CPU cores are marked
47   as read and write.
48
49--------------
50
51*Copyright (c) 2019-2024, Arm Limited. All rights reserved.*
52