feat(tc): add RSS-AP message size macro
Define the RSS_COMMS_PAYLOAD_MAX_SIZE macro. Its value is platform
specific and gives the largest message size which are exchanged
on the TC2 platform between RSS and AP.
Change-Id: Id831c282dc9a39755b82befead1a81767e217215
Signed-off-by: David Vincze <david.vincze@arm.com>
Signed-off-by: Tamas Ban <tamas.ban@arm.com>
diff --git a/plat/arm/board/tc/include/platform_def.h b/plat/arm/board/tc/include/platform_def.h
index 366a44e..b63185c 100644
--- a/plat/arm/board/tc/include/platform_def.h
+++ b/plat/arm/board/tc/include/platform_def.h
@@ -159,6 +159,13 @@
# define PLATFORM_STACK_SIZE 0x440
#endif
+/*
+ * In the current implementation the RoT Service request that requires the
+ * biggest message buffer is the RSS_DELEGATED_ATTEST_GET_PLATFORM_TOKEN. The
+ * maximum required buffer size is calculated based on the platform-specific
+ * needs of this request.
+ */
+#define PLAT_RSS_COMMS_PAYLOAD_MAX_SIZE 0x500
#define TC_DEVICE_BASE 0x21000000
#define TC_DEVICE_SIZE 0x5f000000