diff --git a/fdts/tc.dts b/fdts/tc.dts
index 935a5a9..c616c00 100644
--- a/fdts/tc.dts
+++ b/fdts/tc.dts
@@ -220,6 +220,11 @@
 			compatible = "restricted-dma-pool";
 			reg = <0x00000000 0xf8e00000 0 0x00200000>;
 		};
+
+		fwu_mm@0xfca00000 {
+			reg = <0x00000000 0xfca00000 0 0x00400000>;
+			no-map;
+		};
 	};
 
 	psci {
diff --git a/plat/arm/board/tc/fdts/tc_spmc_common_sp_manifest.dtsi b/plat/arm/board/tc/fdts/tc_spmc_common_sp_manifest.dtsi
index c5dd3ec..06c2937 100644
--- a/plat/arm/board/tc/fdts/tc_spmc_common_sp_manifest.dtsi
+++ b/plat/arm/board/tc/fdts/tc_spmc_common_sp_manifest.dtsi
@@ -4,6 +4,31 @@
  * SPDX-License-Identifier: BSD-3-Clause
  */
 
+/*
+ * Secure world memory map. For a full view of the DRAM map, see platform_def.h
+ *
+ *  0xf900_c000  ------------------
+ *               |       ...      |
+ *  0xf901_c000  ------------------
+ *               |     (63MB)     |  Trusty (=/=> OP-TEE)
+ *  0xfcf1_c000  ------------------
+ *               |       ...      |
+ *  0xfd00_0000  ------------------
+ *               |     (512K)     |  Hafnium
+ *  0xfd08_0000  ------------------
+ *               |       ...      |  Hafnium stack
+ *  0xfd28_0000  ------------------
+ *               |     (11MB)     |  OP-TEE (=/=> Trusty)
+ *  0xfdd8_0000  ------------------
+ *               |       ...      |
+ *  0xfde0_0000  ------------------
+ *               |     (2MB)      |  Firmware Upgrade
+ *  0xfec0_0000  ------------------
+ *               |     (2MB)      |  Crypto
+ *  0xfee0_0000	 ------------------
+ *               |     (2MB)      |  Internal Truested Storage
+ *  0xff00_0000  ------------------
+ */
 &hafnium {
 	vm1 {
 		is_ffa_partition;
@@ -25,5 +50,12 @@
 		vcpu_count = <1>;
 		mem_size = <0x200000>; /* 2MB TZC DRAM */
 	};
+	vm4 {
+		is_ffa_partition;
+		debug_name = "firmware-update";
+		load_address = <0xfde00000>;
+		vcpu_count = <1>;
+		mem_size = <0xe00000>; /* 14MB TZC DRAM */
+	};
 #endif
 };
diff --git a/plat/arm/board/tc/fdts/tc_spmc_manifest.dtsi b/plat/arm/board/tc/fdts/tc_spmc_manifest.dtsi
index 0a055d1..045bba5 100644
--- a/plat/arm/board/tc/fdts/tc_spmc_manifest.dtsi
+++ b/plat/arm/board/tc/fdts/tc_spmc_manifest.dtsi
@@ -96,7 +96,11 @@
 
 	memory@1 {
 		device_type = "ns-memory";
-		reg = <0x0 0x80000000 0x0 0x79000000>,
+		reg =
+#ifdef TS_SP_FW_CONFIG
+		      <0x0 0x08000000 0x0 0x4000000>,
+#endif /* TS_SP_FW_CONFIG */
+		      <0x0 0x80000000 0x0 0x79000000>,
 		      <0x80 0x80000000 0x1 0x80000000>;
 	};
 };
diff --git a/plat/arm/board/tc/fdts/tc_spmc_optee_sp_manifest.dts b/plat/arm/board/tc/fdts/tc_spmc_optee_sp_manifest.dts
index b7f4fe0..840b80f 100644
--- a/plat/arm/board/tc/fdts/tc_spmc_optee_sp_manifest.dts
+++ b/plat/arm/board/tc/fdts/tc_spmc_optee_sp_manifest.dts
@@ -12,6 +12,6 @@
 	vm1 {
 		debug_name = "op-tee";
 		load_address = <0xfd280000>;
-		mem_size = <26738688>; /* 25MB TZC DRAM */
+		mem_size = <0xb00000>; /* 11MB TZC DRAM */
 	};
 };
diff --git a/plat/arm/board/tc/fdts/tc_tb_fw_config.dts b/plat/arm/board/tc/fdts/tc_tb_fw_config.dts
index 4a1965f..c58f17b 100644
--- a/plat/arm/board/tc/fdts/tc_tb_fw_config.dts
+++ b/plat/arm/board/tc/fdts/tc_tb_fw_config.dts
@@ -41,6 +41,10 @@
 		       uuid = "d9df52d5-16a2-4bb2-9aa4-d26d3b84e8c0";
 		       load-address = <0xfec00000>;
 		};
+		firmware-update {
+		       uuid = "6823a838-1b06-470e-9774-0cce8bfb53fd";
+		       load-address = <0xfde00000>;
+		};
 #endif
 #if OPTEE_SP_FW_CONFIG
 		op-tee {