Merge changes from topic "fw_config_handoff" into integration

* changes:
  doc: Update memory layout for firmware configuration area
  plat/arm: Increase size of firmware configuration area
  plat/arm: Load and populate fw_config and tb_fw_config
  fconf: Handle error from fconf_load_config
  plat/arm: Update the fw_config load call and populate it's information
  fconf: Allow fconf to load additional firmware configuration
  fconf: Clean confused naming between TB_FW and FW_CONFIG
  tbbr/dualroot: Add fw_config image in chain of trust
  cert_tool: Update cert_tool for fw_config image support
  fiptool: Add fw_config in FIP
  plat/arm: Rentroduce tb_fw_config device tree

plat/arm/board/rddanielxlr/platform.mk

@@ -36,9 +36,13 @@ BL31_SOURCES		+=	${SGI_CPU_SOURCES}			\
 BL31_CFLAGS		+=	-DPLAT_XLAT_TABLES_DYNAMIC
 
 # Add the FDT_SOURCES and options for Dynamic Config
-FDT_SOURCES		+=	${RDDANIELXLR_BASE}/fdts/${PLAT}_fw_config.dts
-TB_FW_CONFIG		:=	${BUILD_PLAT}/fdts/${PLAT}_fw_config.dtb
+FDT_SOURCES		+=	${RDDANIELXLR_BASE}/fdts/${PLAT}_fw_config.dts	\
+				${RDDANIELXLR_BASE}/fdts/${PLAT}_tb_fw_config.dts
+FW_CONFIG		:=	${BUILD_PLAT}/fdts/${PLAT}_fw_config.dtb
+TB_FW_CONFIG		:=	${BUILD_PLAT}/fdts/${PLAT}_tb_fw_config.dtb
 
+# Add the FW_CONFIG to FIP and specify the same to certtool
+$(eval $(call TOOL_ADD_PAYLOAD,${FW_CONFIG},--fw-config))
 # Add the TB_FW_CONFIG to FIP and specify the same to certtool
 $(eval $(call TOOL_ADD_PAYLOAD,${TB_FW_CONFIG},--tb-fw-config))
 

plat/arm/board/rde1edge/fdts/rde1edge_fw_config.dts

@@ -12,9 +12,8 @@
 	dtb-registry {
 		compatible = "fconf,dyn_cfg-dtb_registry";
 
-		/* tb_fw_config is temporarily contained on this dtb */
 		tb_fw-config {
-			load-address = <0x0 0x4001010>;
+			load-address = <0x0 0x4001300>;
 			max-size = <0x200>;
 			id = <TB_FW_CONFIG_ID>;
 		};
@@ -25,23 +24,4 @@
 			id = <NT_FW_CONFIG_ID>;
 		};
 	};
-
-	tb_fw-config {
-		compatible = "arm,tb_fw";
-
-		/* Disable authentication for development */
-		disable_auth = <0x0>;
-
-		/*
-		 * The following two entries are placeholders for Mbed TLS
-		 * heap information. The default values don't matter since
-		 * they will be overwritten by BL1.
-		 * In case of having shared Mbed TLS heap between BL1 and BL2,
-		 * BL1 will populate these two properties with the respective
-		 * info about the shared heap. This info will be available for
-		 * BL2 in order to locate and re-use the heap.
-		 */
-		mbedtls_heap_addr = <0x0 0x0>;
-		mbedtls_heap_size = <0x0>;
-	};
 };

plat/arm/board/rde1edge/fdts/rde1edge_tb_fw_config.dts

+/*
+ * Copyright (c) 2020, ARM Limited. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+/dts-v1/;
+
+/ {
+	tb_fw-config {
+		compatible = "arm,tb_fw";
+
+		/* Disable authentication for development */
+		disable_auth = <0x0>;
+
+		/*
+		 * The following two entries are placeholders for Mbed TLS
+		 * heap information. The default values don't matter since
+		 * they will be overwritten by BL1.
+		 * In case of having shared Mbed TLS heap between BL1 and BL2,
+		 * BL1 will populate these two properties with the respective
+		 * info about the shared heap. This info will be available for
+		 * BL2 in order to locate and re-use the heap.
+		 */
+		mbedtls_heap_addr = <0x0 0x0>;
+		mbedtls_heap_size = <0x0>;
+	};
+};

plat/arm/board/rde1edge/platform.mk

@@ -35,9 +35,13 @@ BL2_SOURCES		+=	${RDE1EDGE_BASE}/rde1edge_trusted_boot.c
 endif
 
 # Add the FDT_SOURCES and options for Dynamic Config
-FDT_SOURCES		+=	${RDE1EDGE_BASE}/fdts/${PLAT}_fw_config.dts
-TB_FW_CONFIG		:=	${BUILD_PLAT}/fdts/${PLAT}_fw_config.dtb
+FDT_SOURCES		+=	${RDE1EDGE_BASE}/fdts/${PLAT}_fw_config.dts	\
+				${RDE1EDGE_BASE}/fdts/${PLAT}_tb_fw_config.dts
+FW_CONFIG		:=	${BUILD_PLAT}/fdts/${PLAT}_fw_config.dtb
+TB_FW_CONFIG		:=	${BUILD_PLAT}/fdts/${PLAT}_tb_fw_config.dtb
 
+# Add the FW_CONFIG to FIP and specify the same to certtool
+$(eval $(call TOOL_ADD_PAYLOAD,${FW_CONFIG},--fw-config))
 # Add the TB_FW_CONFIG to FIP and specify the same to certtool
 $(eval $(call TOOL_ADD_PAYLOAD,${TB_FW_CONFIG},--tb-fw-config))
 

plat/arm/board/rdn1edge/fdts/rdn1edge_fw_config.dts

@@ -11,9 +11,8 @@
 	dtb-registry {
 		compatible = "fconf,dyn_cfg-dtb_registry";
 
-		/* tb_fw_config is temporarily contained on this dtb */
 		tb_fw-config {
-			load-address = <0x0 0x4001010>;
+			load-address = <0x0 0x4001300>;
 			max-size = <0x200>;
 			id = <TB_FW_CONFIG_ID>;
 		};
@@ -24,24 +23,5 @@
 			id = <NT_FW_CONFIG_ID>;
 		};
 	};
-
-	tb_fw-config {
-		compatible = "arm,tb_fw";
-
-		/* Disable authentication for development */
-		disable_auth = <0x0>;
-
-		/*
-		 * The following two entries are placeholders for Mbed TLS
-		 * heap information. The default values don't matter since
-		 * they will be overwritten by BL1.
-		 * In case of having shared Mbed TLS heap between BL1 and BL2,
-		 * BL1 will populate these two properties with the respective
-		 * info about the shared heap. This info will be available for
-		 * BL2 in order to locate and re-use the heap.
-		 */
-		mbedtls_heap_addr = <0x0 0x0>;
-		mbedtls_heap_size = <0x0>;
-	};
 };
 

plat/arm/board/rdn1edge/fdts/rdn1edge_tb_fw_config.dts

+/*
+ * Copyright (c) 2020, ARM Limited and Contributors. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+/dts-v1/;
+/ {
+	tb_fw-config {
+		compatible = "arm,tb_fw";
+
+		/* Disable authentication for development */
+		disable_auth = <0x0>;
+
+		/*
+		 * The following two entries are placeholders for Mbed TLS
+		 * heap information. The default values don't matter since
+		 * they will be overwritten by BL1.
+		 * In case of having shared Mbed TLS heap between BL1 and BL2,
+		 * BL1 will populate these two properties with the respective
+		 * info about the shared heap. This info will be available for
+		 * BL2 in order to locate and re-use the heap.
+		 */
+		mbedtls_heap_addr = <0x0 0x0>;
+		mbedtls_heap_size = <0x0>;
+	};
+};

plat/arm/board/rdn1edge/platform.mk

@@ -41,9 +41,13 @@ endif
 BL31_CPPFLAGS		+=	-DPLAT_XLAT_TABLES_DYNAMIC
 
 # Add the FDT_SOURCES and options for Dynamic Config
-FDT_SOURCES		+=	${RDN1EDGE_BASE}/fdts/${PLAT}_fw_config.dts
-TB_FW_CONFIG		:=	${BUILD_PLAT}/fdts/${PLAT}_fw_config.dtb
+FDT_SOURCES		+=	${RDN1EDGE_BASE}/fdts/${PLAT}_fw_config.dts	\
+				${RDN1EDGE_BASE}/fdts/${PLAT}_tb_fw_config.dts
+FW_CONFIG		:=	${BUILD_PLAT}/fdts/${PLAT}_fw_config.dtb
+TB_FW_CONFIG		:=	${BUILD_PLAT}/fdts/${PLAT}_tb_fw_config.dtb
 
+# Add the FW_CONFIG to FIP and specify the same to certtool
+$(eval $(call TOOL_ADD_PAYLOAD,${FW_CONFIG},--fw-config))
 # Add the TB_FW_CONFIG to FIP and specify the same to certtool
 $(eval $(call TOOL_ADD_PAYLOAD,${TB_FW_CONFIG},--tb-fw-config))
 

plat/arm/board/sgi575/fdts/sgi575_fw_config.dts

@@ -12,9 +12,8 @@
 	dtb-registry {
 		compatible = "fconf,dyn_cfg-dtb_registry";
 
-		/* tb_fw_config is temporarily contained on this dtb */
 		tb_fw-config {
-			load-address = <0x0 0x4001010>;
+			load-address = <0x0 0x4001300>;
 			max-size = <0x200>;
 			id = <TB_FW_CONFIG_ID>;
 		};
@@ -25,23 +24,4 @@
 			id = <NT_FW_CONFIG_ID>;
 		};
 	};
-
-	tb_fw-config {
-		compatible = "arm,tb_fw";
-
-		/* Disable authentication for development */
-		disable_auth = <0x0>;
-
-		/*
-		 * The following two entries are placeholders for Mbed TLS
-		 * heap information. The default values don't matter since
-		 * they will be overwritten by BL1.
-		 * In case of having shared Mbed TLS heap between BL1 and BL2,
-		 * BL1 will populate these two properties with the respective
-		 * info about the shared heap. This info will be available for
-		 * BL2 in order to locate and re-use the heap.
-		 */
-		mbedtls_heap_addr = <0x0 0x0>;
-		mbedtls_heap_size = <0x0>;
-	};
 };

plat/arm/board/sgi575/fdts/sgi575_tb_fw_config.dts

+/*
+ * Copyright (c) 2020, ARM Limited and Contributors. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+/dts-v1/;
+
+/ {
+	tb_fw-config {
+		compatible = "arm,tb_fw";
+
+		/* Disable authentication for development */
+		disable_auth = <0x0>;
+
+		/*
+		 * The following two entries are placeholders for Mbed TLS
+		 * heap information. The default values don't matter since
+		 * they will be overwritten by BL1.
+		 * In case of having shared Mbed TLS heap between BL1 and BL2,
+		 * BL1 will populate these two properties with the respective
+		 * info about the shared heap. This info will be available for
+		 * BL2 in order to locate and re-use the heap.
+		 */
+		mbedtls_heap_addr = <0x0 0x0>;
+		mbedtls_heap_size = <0x0>;
+	};
+};

plat/arm/board/sgi575/platform.mk

@@ -35,9 +35,14 @@ BL2_SOURCES		+=	${SGI575_BASE}/sgi575_trusted_boot.c
 endif
 
 # Add the FDT_SOURCES and options for Dynamic Config
-FDT_SOURCES		+=	${SGI575_BASE}/fdts/${PLAT}_fw_config.dts
-TB_FW_CONFIG		:=	${BUILD_PLAT}/fdts/${PLAT}_fw_config.dtb
+FDT_SOURCES		+=	${SGI575_BASE}/fdts/${PLAT}_fw_config.dts	\
+				${SGI575_BASE}/fdts/${PLAT}_tb_fw_config.dts
 
+FW_CONFIG		:=	${BUILD_PLAT}/fdts/${PLAT}_fw_config.dtb
+TB_FW_CONFIG		:=	${BUILD_PLAT}/fdts/${PLAT}_tb_fw_config.dtb
+
+# Add the FW_CONFIG to FIP and specify the same to certtool
+$(eval $(call TOOL_ADD_PAYLOAD,${FW_CONFIG},--fw-config))
 # Add the TB_FW_CONFIG to FIP and specify the same to certtool
 $(eval $(call TOOL_ADD_PAYLOAD,${TB_FW_CONFIG},--tb-fw-config))
 

plat/arm/board/sgm775/fdts/sgm775_fw_config.dts

@@ -12,30 +12,10 @@
 	dtb-registry {
 		compatible = "fconf,dyn_cfg-dtb_registry";
 
-		/* tb_fw_config is temporarily contained on this dtb */
 		tb_fw-config {
-			load-address = <0x0 0x4001010>;
+			load-address = <0x0 0x4001300>;
 			max-size = <0x200>;
 			id = <TB_FW_CONFIG_ID>;
 		};
 	};
-
-	tb_fw-config {
-		compatible = "arm,tb_fw";
-
-		/* Disable authentication for development */
-		disable_auth = <0x0>;
-
-		/*
-		 * The following two entries are placeholders for Mbed TLS
-		 * heap information. The default values don't matter since
-		 * they will be overwritten by BL1.
-		 * In case of having shared Mbed TLS heap between BL1 and BL2,
-		 * BL1 will populate these two properties with the respective
-		 * info about the shared heap. This info will be available for
-		 * BL2 in order to locate and re-use the heap.
-		 */
-		mbedtls_heap_addr = <0x0 0x0>;
-		mbedtls_heap_size = <0x0>;
-	};
 };

plat/arm/board/sgm775/fdts/sgm775_tb_fw_config.dts

+/*
+ * Copyright (c) 2020, ARM Limited and Contributors. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+/dts-v1/;
+
+/ {
+	tb_fw-config {
+		compatible = "arm,tb_fw";
+
+		/* Disable authentication for development */
+		disable_auth = <0x0>;
+
+		/*
+		 * The following two entries are placeholders for Mbed TLS
+		 * heap information. The default values don't matter since
+		 * they will be overwritten by BL1.
+		 * In case of having shared Mbed TLS heap between BL1 and BL2,
+		 * BL1 will populate these two properties with the respective
+		 * info about the shared heap. This info will be available for
+		 * BL2 in order to locate and re-use the heap.
+		 */
+		mbedtls_heap_addr = <0x0 0x0>;
+		mbedtls_heap_size = <0x0>;
+	};
+};

plat/arm/board/sgm775/platform.mk

@@ -9,9 +9,13 @@ include plat/arm/css/sgm/sgm-common.mk
 SGM775_BASE= plat/arm/board/sgm775
 
 # Add the FDT_SOURCES and options for Dynamic Config
-FDT_SOURCES            +=      ${SGM775_BASE}/fdts/${PLAT}_fw_config.dts
-TB_FW_CONFIG           :=      ${BUILD_PLAT}/fdts/${PLAT}_fw_config.dtb
+FDT_SOURCES		+=      ${SGM775_BASE}/fdts/${PLAT}_fw_config.dts	\
+				${SGM775_BASE}/fdts/${PLAT}_tb_fw_config.dts
+FW_CONFIG		:=      ${BUILD_PLAT}/fdts/${PLAT}_fw_config.dtb
+TB_FW_CONFIG		:=      ${BUILD_PLAT}/fdts/${PLAT}_tb_fw_config.dtb
 
+# Add the FW_CONFIG to FIP and specify the same to certtool
+$(eval $(call TOOL_ADD_PAYLOAD,${FW_CONFIG},--fw-config))
 # Add the TB_FW_CONFIG to FIP and specify the same to certtool
 $(eval $(call TOOL_ADD_PAYLOAD,${TB_FW_CONFIG},--tb-fw-config))
 

plat/arm/board/tc0/fdts/tc0_fw_config.dts

@@ -12,9 +12,8 @@
 	dtb-registry {
 		compatible = "fconf,dyn_cfg-dtb_registry";
 
-		/* tb_fw_config is temporarily contained in this dtb */
 		tb_fw-config {
-			load-address = <0x0 0x4001010>;
+			load-address = <0x0 0x4001300>;
 			max-size = <0x200>;
 			id = <TB_FW_CONFIG_ID>;
 		};
@@ -25,22 +24,4 @@
 			id = <HW_CONFIG_ID>;
 		};
 	};
-
-	tb_fw-config {
-		compatible = "arm,tb_fw";
-
-		/* Disable authentication for development */
-		disable_auth = <0x0>;
-		/*
-		 * The following two entries are placeholders for Mbed TLS
-		 * heap information. The default values don't matter since
-		 * they will be overwritten by BL1.
-		 * In case of having shared Mbed TLS heap between BL1 and BL2,
-		 * BL1 will populate these two properties with the respective
-		 * info about the shared heap. This info will be available for
-		 * BL2 in order to locate and re-use the heap.
-		 */
-		mbedtls_heap_addr = <0x0 0x0>;
-		mbedtls_heap_size = <0x0>;
-	};
 };

plat/arm/board/tc0/fdts/tc0_tb_fw_config.dts

+/*
+ * Copyright (c) 2020, Arm Limited. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+/dts-v1/;
+
+/ {
+	tb_fw-config {
+		compatible = "arm,tb_fw";
+
+		/* Disable authentication for development */
+		disable_auth = <0x0>;
+		/*
+		 * The following two entries are placeholders for Mbed TLS
+		 * heap information. The default values don't matter since
+		 * they will be overwritten by BL1.
+		 * In case of having shared Mbed TLS heap between BL1 and BL2,
+		 * BL1 will populate these two properties with the respective
+		 * info about the shared heap. This info will be available for
+		 * BL2 in order to locate and re-use the heap.
+		 */
+		mbedtls_heap_addr = <0x0 0x0>;
+		mbedtls_heap_size = <0x0>;
+	};
+};

plat/arm/board/tc0/platform.mk

@@ -73,9 +73,13 @@ BL31_SOURCES		+=	${INTERCONNECT_SOURCES}	\
 				plat/arm/common/arm_nor_psci_mem_protect.c
 
 # Add the FDT_SOURCES and options for Dynamic Config
-FDT_SOURCES		+=	${TC0_BASE}/fdts/${PLAT}_fw_config.dts
-TB_FW_CONFIG		:=	${BUILD_PLAT}/fdts/${PLAT}_fw_config.dtb
+FDT_SOURCES		+=	${TC0_BASE}/fdts/${PLAT}_fw_config.dts	\
+				${TC0_BASE}/fdts/${PLAT}_tb_fw_config.dts
+FW_CONFIG		:=	${BUILD_PLAT}/fdts/${PLAT}_fw_config.dtb
+TB_FW_CONFIG		:=	${BUILD_PLAT}/fdts/${PLAT}_tb_fw_config.dtb
 
+# Add the FW_CONFIG to FIP and specify the same to certtool
+$(eval $(call TOOL_ADD_PAYLOAD,${FW_CONFIG},--fw-config))
 # Add the TB_FW_CONFIG to FIP and specify the same to certtool
 $(eval $(call TOOL_ADD_PAYLOAD,${TB_FW_CONFIG},--tb-fw-config))
 

plat/arm/common/arm_bl1_setup.c

@@ -12,6 +12,7 @@
 #include <bl1/bl1.h>
 #include <common/bl_common.h>
 #include <lib/fconf/fconf.h>
+#include <lib/fconf/fconf_dyn_cfg_getter.h>
 #include <lib/utils.h>
 #include <lib/xlat_tables/xlat_tables_compat.h>
 #include <plat/arm/common/plat_arm.h>
@@ -142,11 +143,58 @@ void bl1_plat_arch_setup(void)
  */
 void arm_bl1_platform_setup(void)
 {
+	const struct dyn_cfg_dtb_info_t *fw_config_info;
+	image_desc_t *desc;
+	uint32_t fw_config_max_size;
+	int err = -1;
+
 	/* Initialise the IO layer and register platform IO devices */
 	plat_arm_io_setup();
 
-	/* Load fw config */
-	fconf_load_config();
+	/* Check if we need FWU before further processing */
+	err = plat_arm_bl1_fwu_needed();
+	if (err) {
+		ERROR("Skip platform setup as FWU detected\n");
+		return;
+	}
+
+	/* Set global DTB info for fixed fw_config information */
+	fw_config_max_size = ARM_FW_CONFIG_LIMIT - ARM_FW_CONFIG_BASE;
+	set_fw_config_info(ARM_FW_CONFIG_BASE, fw_config_max_size);
+
+	/* Fill the device tree information struct with the info from the config dtb */
+	err = fconf_load_config(FW_CONFIG_ID);
+	if (err < 0) {
+		ERROR("Loading of FW_CONFIG failed %d\n", err);
+		plat_error_handler(err);
+	}
+
+	/*
+	 * FW_CONFIG loaded successfully. If FW_CONFIG device tree parsing
+	 * is successful then load TB_FW_CONFIG device tree.
+	 */
+	fw_config_info = FCONF_GET_PROPERTY(dyn_cfg, dtb, FW_CONFIG_ID);
+	if (fw_config_info != NULL) {
+		err = fconf_populate_dtb_registry(fw_config_info->config_addr);
+		if (err < 0) {
+			ERROR("Parsing of FW_CONFIG failed %d\n", err);
+			plat_error_handler(err);
+		}
+		/* load TB_FW_CONFIG */
+		err = fconf_load_config(TB_FW_CONFIG_ID);
+		if (err < 0) {
+			ERROR("Loading of TB_FW_CONFIG failed %d\n", err);
+			plat_error_handler(err);
+		}
+	} else {
+		ERROR("Invalid FW_CONFIG address\n");
+		plat_error_handler(err);
+	}
+
+	/* The BL2 ep_info arg0 is modified to point to FW_CONFIG */
+	desc = bl1_plat_get_image_desc(BL2_IMAGE_ID);
+	assert(desc != NULL);
+	desc->ep_info.args.arg0 = fw_config_info->config_addr;
 
 #if TRUSTED_BOARD_BOOT
 	/* Share the Mbed TLS heap info with other images */

plat/arm/common/arm_bl2_setup.c

@@ -15,6 +15,7 @@
 #include <common/desc_image_load.h>
 #include <drivers/generic_delay_timer.h>
 #include <lib/fconf/fconf.h>
+#include <lib/fconf/fconf_dyn_cfg_getter.h>
 #ifdef SPD_opteed
 #include <lib/optee_utils.h>
 #endif
@@ -26,10 +27,10 @@
 static meminfo_t bl2_tzram_layout __aligned(CACHE_WRITEBACK_GRANULE);
 
 /*
- * Check that BL2_BASE is above ARM_TB_FW_CONFIG_LIMIT. This reserved page is
+ * Check that BL2_BASE is above ARM_FW_CONFIG_LIMIT. This reserved page is
  * for `meminfo_t` data structure and fw_configs passed from BL1.
  */
-CASSERT(BL2_BASE >= ARM_TB_FW_CONFIG_LIMIT, assert_bl2_base_overflows);
+CASSERT(BL2_BASE >= ARM_FW_CONFIG_LIMIT, assert_bl2_base_overflows);
 
 /* Weak definitions may be overridden in specific ARM standard platform */
 #pragma weak bl2_early_platform_setup2
@@ -50,9 +51,10 @@ CASSERT(BL2_BASE >= ARM_TB_FW_CONFIG_LIMIT, assert_bl2_base_overflows);
  * in x0. This memory layout is sitting at the base of the free trusted SRAM.
  * Copy it to a safe location before its reclaimed by later BL2 functionality.
  ******************************************************************************/
-void arm_bl2_early_platform_setup(uintptr_t tb_fw_config,
+void arm_bl2_early_platform_setup(uintptr_t fw_config,
 				  struct meminfo *mem_layout)
 {
+	const struct dyn_cfg_dtb_info_t *tb_fw_config_info;
 	/* Initialize the console to provide early debug support */
 	arm_console_boot_init();
 
@@ -60,8 +62,14 @@ void arm_bl2_early_platform_setup(uintptr_t tb_fw_config,
 	bl2_tzram_layout = *mem_layout;
 
 	/* Fill the properties struct with the info from the config dtb */
-	if (tb_fw_config != 0U) {
-		fconf_populate("TB_FW", tb_fw_config);
+	if (fw_config != 0U) {
+		fconf_populate("FW_CONFIG", fw_config);
+	}
+
+	/* TB_FW_CONFIG was also loaded by BL1 */
+	tb_fw_config_info = FCONF_GET_PROPERTY(dyn_cfg, dtb, TB_FW_CONFIG_ID);
+	if (tb_fw_config_info != NULL) {
+		fconf_populate("TB_FW", tb_fw_config_info->config_addr);
 	}
 
 	/* Initialise the IO layer and register platform IO devices */

plat/arm/common/arm_bl31_setup.c

@@ -28,10 +28,10 @@ static entry_point_info_t bl33_image_ep_info;
 
 #if !RESET_TO_BL31
 /*
- * Check that BL31_BASE is above ARM_TB_FW_CONFIG_LIMIT. The reserved page
+ * Check that BL31_BASE is above ARM_FW_CONFIG_LIMIT. The reserved page
  * is required for SOC_FW_CONFIG/TOS_FW_CONFIG passed from BL2.
  */
-CASSERT(BL31_BASE >= ARM_TB_FW_CONFIG_LIMIT, assert_bl31_base_overflows);
+CASSERT(BL31_BASE >= ARM_FW_CONFIG_LIMIT, assert_bl31_base_overflows);
 #endif
 
 /* Weak definitions may be overridden in specific ARM standard platform */

plat/arm/common/arm_dyn_cfg.c

@@ -77,6 +77,7 @@ void arm_bl1_set_mbedtls_heap(void)
 {
 	int err;
 	uintptr_t tb_fw_cfg_dtb;
+	const struct dyn_cfg_dtb_info_t *tb_fw_config_info;
 
 	/*
 	 * If tb_fw_cfg_dtb==NULL then DTB is not present for the current
@@ -91,8 +92,8 @@ void arm_bl1_set_mbedtls_heap(void)
 	 * the default heap's address and size.
 	 */
 
-	/* fconf FW_CONFIG and TB_FW_CONFIG are currently the same DTB */
-	tb_fw_cfg_dtb = FCONF_GET_PROPERTY(fconf, dtb, base_addr);
+	tb_fw_config_info = FCONF_GET_PROPERTY(dyn_cfg, dtb, TB_FW_CONFIG_ID);
+	tb_fw_cfg_dtb = tb_fw_config_info->config_addr;
 
 	if ((tb_fw_cfg_dtb != 0UL) && (mbedtls_heap_addr != NULL)) {
 		/* As libfdt use void *, we can't avoid this cast */
@@ -130,9 +131,10 @@ void arm_bl1_set_bl2_hash(image_desc_t *image_desc)
 	image_info_t image_info = image_desc->image_info;
 	uintptr_t tb_fw_cfg_dtb;
 	int err;
+	const struct dyn_cfg_dtb_info_t *tb_fw_config_info;
 
-	/* fconf FW_CONFIG and TB_FW_CONFIG are currently the same DTB */
-	tb_fw_cfg_dtb = FCONF_GET_PROPERTY(fconf, dtb, base_addr);
+	tb_fw_config_info = FCONF_GET_PROPERTY(dyn_cfg, dtb, TB_FW_CONFIG_ID);
+	tb_fw_cfg_dtb = tb_fw_config_info->config_addr;
 
 	/*
 	 * If tb_fw_cfg_dtb==NULL then DTB is not present for the current
@@ -170,8 +172,8 @@ void arm_bl1_set_bl2_hash(image_desc_t *image_desc)
 
 /*
  * BL2 utility function to initialize dynamic configuration specified by
- * TB_FW_CONFIG. Populate the bl_mem_params_node_t of other FW_CONFIGs if
- * specified in TB_FW_CONFIG.
+ * FW_CONFIG. Populate the bl_mem_params_node_t of other FW_CONFIGs if
+ * specified in FW_CONFIG.
  */
 void arm_bl2_dyn_cfg_init(void)
 {