Allow multi cluster topology definitions for ARM platforms
The common topology description helper funtions and macros for
ARM Standard platforms assumed a dual cluster system. This is not
flexible enough to scale to multi cluster platforms. This patch does
the following changes for more flexibility in defining topology:
1. The `plat_get_power_domain_tree_desc()` definition is moved from
`arm_topology.c` to platform specific files, that is `fvp_topology.c`
and `juno_topology.c`. Similarly the common definition of the porting
macro `PLATFORM_CORE_COUNT` in `arm_def.h` is moved to platform
specific `platform_def.h` header.
2. The ARM common layer porting macros which were dual cluster specific
are now removed and a new macro PLAT_ARM_CLUSTER_COUNT is introduced
which must be defined by each ARM standard platform.
3. A new mandatory ARM common layer porting API
`plat_arm_get_cluster_core_count()` is introduced to enable the common
implementation of `arm_check_mpidr()` to validate MPIDR.
4. For the FVP platforms, a new build option `FVP_NUM_CLUSTERS` has been
introduced which allows the user to specify the cluster count to be
used to build the topology tree within Trusted Firmare. This enables
Trusted Firmware to be built for multi cluster FVP models.
Change-Id: Ie7a2e38e5661fe2fdb2c8fdf5641d2b2614c2b6b
diff --git a/plat/arm/board/juno/juno_def.h b/plat/arm/board/juno/juno_def.h
index f4e2259..f27bbb2 100644
--- a/plat/arm/board/juno/juno_def.h
+++ b/plat/arm/board/juno/juno_def.h
@@ -53,6 +53,13 @@
#define JUNO_SSC_VER_PART_NUM 0x030
/*******************************************************************************
+ * Juno topology related constants
+ ******************************************************************************/
+#define JUNO_CLUSTER_COUNT 2
+#define JUNO_CLUSTER0_CORE_COUNT 2
+#define JUNO_CLUSTER1_CORE_COUNT 4
+
+/*******************************************************************************
* TZC-400 related constants
******************************************************************************/
#define TZC400_NSAID_CCI400 0 /* Note: Same as default NSAID!! */