tc2: Reserve memory for RSS's SDS region

RSS needs to share data with AP during early boot over shared memory to support DPE. Reserve a memory region right after the SCMI secure payload areas from unused memory. Signed-off-by: David Vincze <[email protected]> Change-Id: I3a2de66dc03f831cab90a81f56fae4a0a6067523
mohamedasaker-arm · Feb 13, 2024 · 00d6739 · 00d6739
1 parent f3c3de6
commit 00d6739
Showing 1 changed file with 5 additions and 1 deletion.
diff --git a/product/totalcompute/tc2/include/scp_mmap.h b/product/totalcompute/tc2/include/scp_mmap.h
@@ -1,6 +1,6 @@
 /*
  * Arm SCP/MCP Software
- * Copyright (c) 2022-2023, Arm Limited and Contributors. All rights reserved.
+ * Copyright (c) 2022-2024, Arm Limited and Contributors. All rights reserved.
  *
  * SPDX-License-Identifier: BSD-3-Clause
  */
@@ -101,6 +101,10 @@
 #define SCP_SCMI_PAYLOAD_S_P2A_BASE \
     (SCP_SCMI_PAYLOAD_S_A2P_BASE + SCP_SCMI_PAYLOAD_SIZE)
 
+/* SDS Memory Region of RSE - Reserved */
+#define RSE_SDS_MEM_BASE (SCP_SCMI_PAYLOAD_S_P2A_BASE + SCP_SCMI_PAYLOAD_SIZE)
+#define RSE_SDS_MEM_SIZE (64)
+
 /* SCMI Non-Secure Payload Areas */
 
 #define SCP_SCMI_PAYLOAD0_NS_A2P_BASE (SCP_AP_SHARED_NONSECURE_BASE)