diff --git a/cmd/bootefi.c b/cmd/bootefi.c
index 06943a9..3b77705 100644
--- a/cmd/bootefi.c
+++ b/cmd/bootefi.c
@@ -321,7 +321,7 @@
 	char devname[32] = { 0 }; /* dp->str is u16[32] long */
 	char *colon;
 
-#if defined(CONFIG_BLK) || defined(CONFIG_ISO_PARTITION)
+#if defined(CONFIG_BLK) || CONFIG_IS_ENABLED(ISO_PARTITION)
 	desc = blk_get_dev(dev, simple_strtol(devnr, NULL, 10));
 #endif
 
@@ -338,7 +338,7 @@
 
 	colon = strchr(devname, ':');
 
-#ifdef CONFIG_ISO_PARTITION
+#if CONFIG_IS_ENABLED(ISO_PARTITION)
 	/* For ISOs we create partition block devices */
 	if (desc && (desc->type != DEV_TYPE_UNKNOWN) &&
 	    (desc->part_type == PART_TYPE_ISO)) {
diff --git a/configs/A10-OLinuXino-Lime_defconfig b/configs/A10-OLinuXino-Lime_defconfig
index d66c0a1..1e2f182 100644
--- a/configs/A10-OLinuXino-Lime_defconfig
+++ b/configs/A10-OLinuXino-Lime_defconfig
@@ -15,6 +15,7 @@
 # CONFIG_CMD_FLASH is not set
 # CONFIG_CMD_FPGA is not set
 # CONFIG_SPL_DOS_PARTITION is not set
+# CONFIG_SPL_ISO_PARTITION is not set
 CONFIG_AXP_ALDO3_VOLT=2800
 CONFIG_AXP_ALDO4_VOLT=2800
 CONFIG_USB_EHCI_HCD=y
diff --git a/configs/A10s-OLinuXino-M_defconfig b/configs/A10s-OLinuXino-M_defconfig
index 7ed3a85..4ee64d7 100644
--- a/configs/A10s-OLinuXino-M_defconfig
+++ b/configs/A10s-OLinuXino-M_defconfig
@@ -15,5 +15,6 @@
 # CONFIG_CMD_FLASH is not set
 # CONFIG_CMD_FPGA is not set
 # CONFIG_SPL_DOS_PARTITION is not set
+# CONFIG_SPL_ISO_PARTITION is not set
 CONFIG_AXP152_POWER=y
 CONFIG_USB_EHCI_HCD=y
diff --git a/configs/A13-OLinuXinoM_defconfig b/configs/A13-OLinuXinoM_defconfig
index 1484ce3..5b6dc0d 100644
--- a/configs/A13-OLinuXinoM_defconfig
+++ b/configs/A13-OLinuXinoM_defconfig
@@ -18,5 +18,6 @@
 # CONFIG_CMD_FLASH is not set
 # CONFIG_CMD_FPGA is not set
 # CONFIG_SPL_DOS_PARTITION is not set
+# CONFIG_SPL_ISO_PARTITION is not set
 CONFIG_SUNXI_NO_PMIC=y
 CONFIG_USB_EHCI_HCD=y
diff --git a/configs/A13-OLinuXino_defconfig b/configs/A13-OLinuXino_defconfig
index 3756ed5..4050578 100644
--- a/configs/A13-OLinuXino_defconfig
+++ b/configs/A13-OLinuXino_defconfig
@@ -23,6 +23,7 @@
 CONFIG_CMD_USB_MASS_STORAGE=y
 # CONFIG_CMD_FPGA is not set
 # CONFIG_SPL_DOS_PARTITION is not set
+# CONFIG_SPL_ISO_PARTITION is not set
 CONFIG_DFU_RAM=y
 CONFIG_AXP_ALDO3_VOLT=3300
 CONFIG_USB_EHCI_HCD=y
diff --git a/configs/A20-OLinuXino-Lime2_defconfig b/configs/A20-OLinuXino-Lime2_defconfig
index 617b6c5..8db638e 100644
--- a/configs/A20-OLinuXino-Lime2_defconfig
+++ b/configs/A20-OLinuXino-Lime2_defconfig
@@ -17,6 +17,7 @@
 CONFIG_CMD_USB_MASS_STORAGE=y
 # CONFIG_CMD_FPGA is not set
 # CONFIG_SPL_DOS_PARTITION is not set
+# CONFIG_SPL_ISO_PARTITION is not set
 CONFIG_DFU_RAM=y
 CONFIG_RTL8211X_PHY_FORCE_MASTER=y
 CONFIG_ETH_DESIGNWARE=y
diff --git a/configs/A20-OLinuXino-Lime_defconfig b/configs/A20-OLinuXino-Lime_defconfig
index 3d0c9a0..05afa31 100644
--- a/configs/A20-OLinuXino-Lime_defconfig
+++ b/configs/A20-OLinuXino-Lime_defconfig
@@ -13,6 +13,7 @@
 # CONFIG_CMD_FLASH is not set
 # CONFIG_CMD_FPGA is not set
 # CONFIG_SPL_DOS_PARTITION is not set
+# CONFIG_SPL_ISO_PARTITION is not set
 CONFIG_ETH_DESIGNWARE=y
 CONFIG_AXP_ALDO3_VOLT=2800
 CONFIG_AXP_ALDO4_VOLT=2800
diff --git a/configs/A20-OLinuXino_MICRO_defconfig b/configs/A20-OLinuXino_MICRO_defconfig
index 41e4388..75e6052 100644
--- a/configs/A20-OLinuXino_MICRO_defconfig
+++ b/configs/A20-OLinuXino_MICRO_defconfig
@@ -16,6 +16,7 @@
 # CONFIG_CMD_FLASH is not set
 # CONFIG_CMD_FPGA is not set
 # CONFIG_SPL_DOS_PARTITION is not set
+# CONFIG_SPL_ISO_PARTITION is not set
 CONFIG_ETH_DESIGNWARE=y
 CONFIG_AXP_ALDO3_VOLT=2800
 CONFIG_AXP_ALDO4_VOLT=2800
diff --git a/configs/A20-Olimex-SOM-EVB_defconfig b/configs/A20-Olimex-SOM-EVB_defconfig
index d4a443d..5211455 100644
--- a/configs/A20-Olimex-SOM-EVB_defconfig
+++ b/configs/A20-Olimex-SOM-EVB_defconfig
@@ -18,6 +18,7 @@
 # CONFIG_CMD_FLASH is not set
 # CONFIG_CMD_FPGA is not set
 # CONFIG_SPL_DOS_PARTITION is not set
+# CONFIG_SPL_ISO_PARTITION is not set
 CONFIG_RTL8211X_PHY_FORCE_MASTER=y
 CONFIG_ETH_DESIGNWARE=y
 CONFIG_AXP_ALDO3_VOLT=2800
diff --git a/configs/A33-OLinuXino_defconfig b/configs/A33-OLinuXino_defconfig
index 1e0a18f..17cd7c5 100644
--- a/configs/A33-OLinuXino_defconfig
+++ b/configs/A33-OLinuXino_defconfig
@@ -20,5 +20,6 @@
 # CONFIG_CMD_FLASH is not set
 # CONFIG_CMD_FPGA is not set
 # CONFIG_SPL_DOS_PARTITION is not set
+# CONFIG_SPL_ISO_PARTITION is not set
 CONFIG_AXP_DCDC1_VOLT=3300
 CONFIG_USB_MUSB_HOST=y
diff --git a/configs/Ainol_AW1_defconfig b/configs/Ainol_AW1_defconfig
index b1266d4c..0bfd362 100644
--- a/configs/Ainol_AW1_defconfig
+++ b/configs/Ainol_AW1_defconfig
@@ -19,4 +19,5 @@
 # CONFIG_CMD_FLASH is not set
 # CONFIG_CMD_FPGA is not set
 # CONFIG_SPL_DOS_PARTITION is not set
+# CONFIG_SPL_ISO_PARTITION is not set
 CONFIG_USB_MUSB_HOST=y
diff --git a/configs/Ampe_A76_defconfig b/configs/Ampe_A76_defconfig
index 49f61c1..2e0434f 100644
--- a/configs/Ampe_A76_defconfig
+++ b/configs/Ampe_A76_defconfig
@@ -21,4 +21,5 @@
 # CONFIG_CMD_FLASH is not set
 # CONFIG_CMD_FPGA is not set
 # CONFIG_SPL_DOS_PARTITION is not set
+# CONFIG_SPL_ISO_PARTITION is not set
 CONFIG_USB_MUSB_HOST=y
diff --git a/configs/Auxtek-T003_defconfig b/configs/Auxtek-T003_defconfig
index dbca652..4999fb8 100644
--- a/configs/Auxtek-T003_defconfig
+++ b/configs/Auxtek-T003_defconfig
@@ -13,5 +13,6 @@
 # CONFIG_CMD_FLASH is not set
 # CONFIG_CMD_FPGA is not set
 # CONFIG_SPL_DOS_PARTITION is not set
+# CONFIG_SPL_ISO_PARTITION is not set
 CONFIG_AXP152_POWER=y
 CONFIG_USB_EHCI_HCD=y
diff --git a/configs/Auxtek-T004_defconfig b/configs/Auxtek-T004_defconfig
index f6a1af5..021803d 100644
--- a/configs/Auxtek-T004_defconfig
+++ b/configs/Auxtek-T004_defconfig
@@ -11,5 +11,6 @@
 # CONFIG_CMD_FLASH is not set
 # CONFIG_CMD_FPGA is not set
 # CONFIG_SPL_DOS_PARTITION is not set
+# CONFIG_SPL_ISO_PARTITION is not set
 CONFIG_AXP152_POWER=y
 CONFIG_USB_EHCI_HCD=y
diff --git a/configs/Bananapi_defconfig b/configs/Bananapi_defconfig
index 2d1bafa..5a135a6 100644
--- a/configs/Bananapi_defconfig
+++ b/configs/Bananapi_defconfig
@@ -14,6 +14,7 @@
 # CONFIG_CMD_FLASH is not set
 # CONFIG_CMD_FPGA is not set
 # CONFIG_SPL_DOS_PARTITION is not set
+# CONFIG_SPL_ISO_PARTITION is not set
 CONFIG_NETCONSOLE=y
 CONFIG_ETH_DESIGNWARE=y
 CONFIG_USB_EHCI_HCD=y
diff --git a/configs/Bananapro_defconfig b/configs/Bananapro_defconfig
index 23af60b..9db09f1 100644
--- a/configs/Bananapro_defconfig
+++ b/configs/Bananapro_defconfig
@@ -16,6 +16,7 @@
 # CONFIG_CMD_FLASH is not set
 # CONFIG_CMD_FPGA is not set
 # CONFIG_SPL_DOS_PARTITION is not set
+# CONFIG_SPL_ISO_PARTITION is not set
 CONFIG_NETCONSOLE=y
 CONFIG_ETH_DESIGNWARE=y
 CONFIG_AXP_ALDO4_VOLT=2500
diff --git a/configs/CHIP_defconfig b/configs/CHIP_defconfig
index 3b32a17..bf04903 100644
--- a/configs/CHIP_defconfig
+++ b/configs/CHIP_defconfig
@@ -14,6 +14,7 @@
 CONFIG_CMD_DFU=y
 CONFIG_CMD_USB_MASS_STORAGE=y
 # CONFIG_SPL_DOS_PARTITION is not set
+# CONFIG_SPL_ISO_PARTITION is not set
 CONFIG_DFU_RAM=y
 CONFIG_AXP_ALDO3_VOLT=3300
 CONFIG_AXP_ALDO4_VOLT=3300
diff --git a/configs/CSQ_CS908_defconfig b/configs/CSQ_CS908_defconfig
index 1dba504..6f253b04 100644
--- a/configs/CSQ_CS908_defconfig
+++ b/configs/CSQ_CS908_defconfig
@@ -12,6 +12,7 @@
 # CONFIG_CMD_FLASH is not set
 # CONFIG_CMD_FPGA is not set
 # CONFIG_SPL_DOS_PARTITION is not set
+# CONFIG_SPL_ISO_PARTITION is not set
 CONFIG_ETH_DESIGNWARE=y
 CONFIG_AXP_ALDO1_VOLT=3300
 CONFIG_AXP_DLDO1_VOLT=3300
diff --git a/configs/Chuwi_V7_CW0825_defconfig b/configs/Chuwi_V7_CW0825_defconfig
index 179f85e..d79d6bd 100644
--- a/configs/Chuwi_V7_CW0825_defconfig
+++ b/configs/Chuwi_V7_CW0825_defconfig
@@ -19,6 +19,7 @@
 # CONFIG_CMD_FLASH is not set
 # CONFIG_CMD_FPGA is not set
 # CONFIG_SPL_DOS_PARTITION is not set
+# CONFIG_SPL_ISO_PARTITION is not set
 CONFIG_USB_MUSB_HOST=y
 CONFIG_VIDEO_LCD_SPI_CS="PA0"
 CONFIG_VIDEO_LCD_SPI_SCLK="PA1"
diff --git a/configs/Colombus_defconfig b/configs/Colombus_defconfig
index bf6ca54..b1d7400 100644
--- a/configs/Colombus_defconfig
+++ b/configs/Colombus_defconfig
@@ -22,6 +22,7 @@
 # CONFIG_CMD_FLASH is not set
 # CONFIG_CMD_FPGA is not set
 # CONFIG_SPL_DOS_PARTITION is not set
+# CONFIG_SPL_ISO_PARTITION is not set
 CONFIG_ETH_DESIGNWARE=y
 CONFIG_AXP_ALDO1_VOLT=3300
 CONFIG_USB_EHCI_HCD=y
diff --git a/configs/Cubieboard2_defconfig b/configs/Cubieboard2_defconfig
index 5871005..6afa8b4 100644
--- a/configs/Cubieboard2_defconfig
+++ b/configs/Cubieboard2_defconfig
@@ -13,5 +13,6 @@
 # CONFIG_CMD_FLASH is not set
 # CONFIG_CMD_FPGA is not set
 # CONFIG_SPL_DOS_PARTITION is not set
+# CONFIG_SPL_ISO_PARTITION is not set
 CONFIG_ETH_DESIGNWARE=y
 CONFIG_USB_EHCI_HCD=y
diff --git a/configs/Cubieboard4_defconfig b/configs/Cubieboard4_defconfig
index ff4238a..9edf0aa 100644
--- a/configs/Cubieboard4_defconfig
+++ b/configs/Cubieboard4_defconfig
@@ -16,4 +16,5 @@
 # CONFIG_CMD_FLASH is not set
 # CONFIG_CMD_FPGA is not set
 # CONFIG_SPL_DOS_PARTITION is not set
+# CONFIG_SPL_ISO_PARTITION is not set
 CONFIG_AXP809_POWER=y
diff --git a/configs/Cubieboard_defconfig b/configs/Cubieboard_defconfig
index 500b2ad..4691971 100644
--- a/configs/Cubieboard_defconfig
+++ b/configs/Cubieboard_defconfig
@@ -13,4 +13,5 @@
 # CONFIG_CMD_FLASH is not set
 # CONFIG_CMD_FPGA is not set
 # CONFIG_SPL_DOS_PARTITION is not set
+# CONFIG_SPL_ISO_PARTITION is not set
 CONFIG_USB_EHCI_HCD=y
diff --git a/configs/Cubietruck_defconfig b/configs/Cubietruck_defconfig
index 069845c..dc46e2f 100644
--- a/configs/Cubietruck_defconfig
+++ b/configs/Cubietruck_defconfig
@@ -20,6 +20,7 @@
 CONFIG_CMD_USB_MASS_STORAGE=y
 # CONFIG_CMD_FPGA is not set
 # CONFIG_SPL_DOS_PARTITION is not set
+# CONFIG_SPL_ISO_PARTITION is not set
 CONFIG_DFU_RAM=y
 CONFIG_ETH_DESIGNWARE=y
 CONFIG_USB_EHCI_HCD=y
diff --git a/configs/Cubietruck_plus_defconfig b/configs/Cubietruck_plus_defconfig
index 60b9c50..79abf95 100644
--- a/configs/Cubietruck_plus_defconfig
+++ b/configs/Cubietruck_plus_defconfig
@@ -19,6 +19,7 @@
 # CONFIG_CMD_FLASH is not set
 # CONFIG_CMD_FPGA is not set
 # CONFIG_SPL_DOS_PARTITION is not set
+# CONFIG_SPL_ISO_PARTITION is not set
 CONFIG_AXP_DLDO3_VOLT=2500
 CONFIG_AXP_DLDO4_VOLT=3300
 CONFIG_AXP_FLDO1_VOLT=1200
diff --git a/configs/Empire_electronix_d709_defconfig b/configs/Empire_electronix_d709_defconfig
index 62c6505..0566a93 100644
--- a/configs/Empire_electronix_d709_defconfig
+++ b/configs/Empire_electronix_d709_defconfig
@@ -22,4 +22,5 @@
 # CONFIG_CMD_FLASH is not set
 # CONFIG_CMD_FPGA is not set
 # CONFIG_SPL_DOS_PARTITION is not set
+# CONFIG_SPL_ISO_PARTITION is not set
 CONFIG_USB_MUSB_HOST=y
diff --git a/configs/Empire_electronix_m712_defconfig b/configs/Empire_electronix_m712_defconfig
index 360d3e4..1f0c067 100644
--- a/configs/Empire_electronix_m712_defconfig
+++ b/configs/Empire_electronix_m712_defconfig
@@ -21,4 +21,5 @@
 # CONFIG_CMD_FLASH is not set
 # CONFIG_CMD_FPGA is not set
 # CONFIG_SPL_DOS_PARTITION is not set
+# CONFIG_SPL_ISO_PARTITION is not set
 CONFIG_USB_MUSB_HOST=y
diff --git a/configs/Hummingbird_A31_defconfig b/configs/Hummingbird_A31_defconfig
index ec5c2f1..f9f57c4 100644
--- a/configs/Hummingbird_A31_defconfig
+++ b/configs/Hummingbird_A31_defconfig
@@ -14,6 +14,7 @@
 # CONFIG_CMD_FLASH is not set
 # CONFIG_CMD_FPGA is not set
 # CONFIG_SPL_DOS_PARTITION is not set
+# CONFIG_SPL_ISO_PARTITION is not set
 CONFIG_ETH_DESIGNWARE=y
 CONFIG_AXP_ALDO1_VOLT=3300
 CONFIG_USB_EHCI_HCD=y
diff --git a/configs/Hyundai_A7HD_defconfig b/configs/Hyundai_A7HD_defconfig
index 8a3a6ef..2e4ac9a 100644
--- a/configs/Hyundai_A7HD_defconfig
+++ b/configs/Hyundai_A7HD_defconfig
@@ -20,4 +20,5 @@
 # CONFIG_CMD_FLASH is not set
 # CONFIG_CMD_FPGA is not set
 # CONFIG_SPL_DOS_PARTITION is not set
+# CONFIG_SPL_ISO_PARTITION is not set
 CONFIG_USB_MUSB_HOST=y
diff --git a/configs/Itead_Ibox_A20_defconfig b/configs/Itead_Ibox_A20_defconfig
index b5279f9..7e9c0c8 100644
--- a/configs/Itead_Ibox_A20_defconfig
+++ b/configs/Itead_Ibox_A20_defconfig
@@ -13,5 +13,6 @@
 # CONFIG_CMD_FLASH is not set
 # CONFIG_CMD_FPGA is not set
 # CONFIG_SPL_DOS_PARTITION is not set
+# CONFIG_SPL_ISO_PARTITION is not set
 CONFIG_ETH_DESIGNWARE=y
 CONFIG_USB_EHCI_HCD=y
diff --git a/configs/Lamobo_R1_defconfig b/configs/Lamobo_R1_defconfig
index 68a1eeb..59c8fc0 100644
--- a/configs/Lamobo_R1_defconfig
+++ b/configs/Lamobo_R1_defconfig
@@ -14,5 +14,6 @@
 # CONFIG_CMD_FLASH is not set
 # CONFIG_CMD_FPGA is not set
 # CONFIG_SPL_DOS_PARTITION is not set
+# CONFIG_SPL_ISO_PARTITION is not set
 CONFIG_ETH_DESIGNWARE=y
 CONFIG_USB_EHCI_HCD=y
diff --git a/configs/Linksprite_pcDuino3_Nano_defconfig b/configs/Linksprite_pcDuino3_Nano_defconfig
index 34f0ca6..9f97de7 100644
--- a/configs/Linksprite_pcDuino3_Nano_defconfig
+++ b/configs/Linksprite_pcDuino3_Nano_defconfig
@@ -15,5 +15,6 @@
 # CONFIG_CMD_FLASH is not set
 # CONFIG_CMD_FPGA is not set
 # CONFIG_SPL_DOS_PARTITION is not set
+# CONFIG_SPL_ISO_PARTITION is not set
 CONFIG_ETH_DESIGNWARE=y
 CONFIG_USB_EHCI_HCD=y
diff --git a/configs/Linksprite_pcDuino3_defconfig b/configs/Linksprite_pcDuino3_defconfig
index c2d465c..233aca9 100644
--- a/configs/Linksprite_pcDuino3_defconfig
+++ b/configs/Linksprite_pcDuino3_defconfig
@@ -13,5 +13,6 @@
 # CONFIG_CMD_FLASH is not set
 # CONFIG_CMD_FPGA is not set
 # CONFIG_SPL_DOS_PARTITION is not set
+# CONFIG_SPL_ISO_PARTITION is not set
 CONFIG_ETH_DESIGNWARE=y
 CONFIG_USB_EHCI_HCD=y
diff --git a/configs/Linksprite_pcDuino_defconfig b/configs/Linksprite_pcDuino_defconfig
index a146b52..28007f5 100644
--- a/configs/Linksprite_pcDuino_defconfig
+++ b/configs/Linksprite_pcDuino_defconfig
@@ -12,4 +12,5 @@
 # CONFIG_CMD_FLASH is not set
 # CONFIG_CMD_FPGA is not set
 # CONFIG_SPL_DOS_PARTITION is not set
+# CONFIG_SPL_ISO_PARTITION is not set
 CONFIG_USB_EHCI_HCD=y
diff --git a/configs/M54455EVB_a66_defconfig b/configs/M54455EVB_a66_defconfig
index a59421f..07a10a4 100644
--- a/configs/M54455EVB_a66_defconfig
+++ b/configs/M54455EVB_a66_defconfig
@@ -15,5 +15,6 @@
 CONFIG_CMD_CACHE=y
 CONFIG_CMD_EXT2=y
 CONFIG_CMD_FAT=y
+CONFIG_ISO_PARTITION=y
 CONFIG_SPI_FLASH=y
 CONFIG_SPI_FLASH_STMICRO=y
diff --git a/configs/M54455EVB_defconfig b/configs/M54455EVB_defconfig
index 89150a7..751a059 100644
--- a/configs/M54455EVB_defconfig
+++ b/configs/M54455EVB_defconfig
@@ -16,5 +16,6 @@
 CONFIG_CMD_CACHE=y
 CONFIG_CMD_EXT2=y
 CONFIG_CMD_FAT=y
+CONFIG_ISO_PARTITION=y
 CONFIG_SPI_FLASH=y
 CONFIG_SPI_FLASH_STMICRO=y
diff --git a/configs/M54455EVB_i66_defconfig b/configs/M54455EVB_i66_defconfig
index 862003d..7fb20d7 100644
--- a/configs/M54455EVB_i66_defconfig
+++ b/configs/M54455EVB_i66_defconfig
@@ -15,5 +15,6 @@
 CONFIG_CMD_CACHE=y
 CONFIG_CMD_EXT2=y
 CONFIG_CMD_FAT=y
+CONFIG_ISO_PARTITION=y
 CONFIG_SPI_FLASH=y
 CONFIG_SPI_FLASH_STMICRO=y
diff --git a/configs/M54455EVB_intel_defconfig b/configs/M54455EVB_intel_defconfig
index b568e2a..bfce3a6 100644
--- a/configs/M54455EVB_intel_defconfig
+++ b/configs/M54455EVB_intel_defconfig
@@ -15,5 +15,6 @@
 CONFIG_CMD_CACHE=y
 CONFIG_CMD_EXT2=y
 CONFIG_CMD_FAT=y
+CONFIG_ISO_PARTITION=y
 CONFIG_SPI_FLASH=y
 CONFIG_SPI_FLASH_STMICRO=y
diff --git a/configs/M54455EVB_stm33_defconfig b/configs/M54455EVB_stm33_defconfig
index a1ce1b2..830ab65 100644
--- a/configs/M54455EVB_stm33_defconfig
+++ b/configs/M54455EVB_stm33_defconfig
@@ -15,5 +15,6 @@
 CONFIG_CMD_CACHE=y
 CONFIG_CMD_EXT2=y
 CONFIG_CMD_FAT=y
+CONFIG_ISO_PARTITION=y
 CONFIG_SPI_FLASH=y
 CONFIG_SPI_FLASH_STMICRO=y
diff --git a/configs/MIP405T_defconfig b/configs/MIP405T_defconfig
index b383f5f..08e7328 100644
--- a/configs/MIP405T_defconfig
+++ b/configs/MIP405T_defconfig
@@ -20,6 +20,7 @@
 CONFIG_CMD_CACHE=y
 CONFIG_CMD_FAT=y
 CONFIG_MAC_PARTITION=y
+CONFIG_ISO_PARTITION=y
 CONFIG_SYS_NS16550=y
 CONFIG_CONSOLE_EXTRA_INFO=y
 CONFIG_VIDEO_CT69000=y
diff --git a/configs/MIP405_defconfig b/configs/MIP405_defconfig
index 85524df..7f0ff29 100644
--- a/configs/MIP405_defconfig
+++ b/configs/MIP405_defconfig
@@ -21,6 +21,7 @@
 CONFIG_CMD_CACHE=y
 CONFIG_CMD_FAT=y
 CONFIG_MAC_PARTITION=y
+CONFIG_ISO_PARTITION=y
 CONFIG_SYS_NS16550=y
 CONFIG_USB=y
 CONFIG_USB_STORAGE=y
diff --git a/configs/MK808C_defconfig b/configs/MK808C_defconfig
index 057da85..9a62ce6 100644
--- a/configs/MK808C_defconfig
+++ b/configs/MK808C_defconfig
@@ -10,4 +10,5 @@
 # CONFIG_CMD_FLASH is not set
 # CONFIG_CMD_FPGA is not set
 # CONFIG_SPL_DOS_PARTITION is not set
+# CONFIG_SPL_ISO_PARTITION is not set
 CONFIG_USB_EHCI_HCD=y
diff --git a/configs/MSI_Primo73_defconfig b/configs/MSI_Primo73_defconfig
index 7af1e06..7f34831 100644
--- a/configs/MSI_Primo73_defconfig
+++ b/configs/MSI_Primo73_defconfig
@@ -15,3 +15,4 @@
 # CONFIG_CMD_FLASH is not set
 # CONFIG_CMD_FPGA is not set
 # CONFIG_SPL_DOS_PARTITION is not set
+# CONFIG_SPL_ISO_PARTITION is not set
diff --git a/configs/MSI_Primo81_defconfig b/configs/MSI_Primo81_defconfig
index 0917206..032c8bb 100644
--- a/configs/MSI_Primo81_defconfig
+++ b/configs/MSI_Primo81_defconfig
@@ -17,6 +17,7 @@
 # CONFIG_CMD_FLASH is not set
 # CONFIG_CMD_FPGA is not set
 # CONFIG_SPL_DOS_PARTITION is not set
+# CONFIG_SPL_ISO_PARTITION is not set
 CONFIG_AXP_DLDO1_VOLT=3300
 # CONFIG_REQUIRE_SERIAL_CONSOLE is not set
 CONFIG_USB_MUSB_HOST=y
diff --git a/configs/Marsboard_A10_defconfig b/configs/Marsboard_A10_defconfig
index 0de4834..04f3795 100644
--- a/configs/Marsboard_A10_defconfig
+++ b/configs/Marsboard_A10_defconfig
@@ -10,5 +10,6 @@
 # CONFIG_CMD_FLASH is not set
 # CONFIG_CMD_FPGA is not set
 # CONFIG_SPL_DOS_PARTITION is not set
+# CONFIG_SPL_ISO_PARTITION is not set
 CONFIG_SUNXI_NO_PMIC=y
 CONFIG_USB_EHCI_HCD=y
diff --git a/configs/Mele_A1000G_quad_defconfig b/configs/Mele_A1000G_quad_defconfig
index 4a2d5c1..d93757b 100644
--- a/configs/Mele_A1000G_quad_defconfig
+++ b/configs/Mele_A1000G_quad_defconfig
@@ -13,6 +13,7 @@
 # CONFIG_CMD_FLASH is not set
 # CONFIG_CMD_FPGA is not set
 # CONFIG_SPL_DOS_PARTITION is not set
+# CONFIG_SPL_ISO_PARTITION is not set
 CONFIG_ETH_DESIGNWARE=y
 CONFIG_AXP_DCDC1_VOLT=3300
 CONFIG_AXP_ALDO1_VOLT=3300
diff --git a/configs/Mele_A1000_defconfig b/configs/Mele_A1000_defconfig
index 27c4c61..de07979 100644
--- a/configs/Mele_A1000_defconfig
+++ b/configs/Mele_A1000_defconfig
@@ -13,4 +13,5 @@
 # CONFIG_CMD_FLASH is not set
 # CONFIG_CMD_FPGA is not set
 # CONFIG_SPL_DOS_PARTITION is not set
+# CONFIG_SPL_ISO_PARTITION is not set
 CONFIG_USB_EHCI_HCD=y
diff --git a/configs/Mele_I7_defconfig b/configs/Mele_I7_defconfig
index 5214bba..20e28d9 100644
--- a/configs/Mele_I7_defconfig
+++ b/configs/Mele_I7_defconfig
@@ -12,6 +12,7 @@
 # CONFIG_CMD_FLASH is not set
 # CONFIG_CMD_FPGA is not set
 # CONFIG_SPL_DOS_PARTITION is not set
+# CONFIG_SPL_ISO_PARTITION is not set
 CONFIG_ETH_DESIGNWARE=y
 CONFIG_AXP_DCDC1_VOLT=3300
 CONFIG_AXP_ALDO1_VOLT=3300
diff --git a/configs/Mele_M3_defconfig b/configs/Mele_M3_defconfig
index 6eeb109..b8e7fa8 100644
--- a/configs/Mele_M3_defconfig
+++ b/configs/Mele_M3_defconfig
@@ -15,5 +15,6 @@
 # CONFIG_CMD_FLASH is not set
 # CONFIG_CMD_FPGA is not set
 # CONFIG_SPL_DOS_PARTITION is not set
+# CONFIG_SPL_ISO_PARTITION is not set
 CONFIG_ETH_DESIGNWARE=y
 CONFIG_USB_EHCI_HCD=y
diff --git a/configs/Mele_M5_defconfig b/configs/Mele_M5_defconfig
index 798bdeb..8c3d8ea 100644
--- a/configs/Mele_M5_defconfig
+++ b/configs/Mele_M5_defconfig
@@ -15,5 +15,6 @@
 # CONFIG_CMD_FLASH is not set
 # CONFIG_CMD_FPGA is not set
 # CONFIG_SPL_DOS_PARTITION is not set
+# CONFIG_SPL_ISO_PARTITION is not set
 CONFIG_ETH_DESIGNWARE=y
 CONFIG_USB_EHCI_HCD=y
diff --git a/configs/Mele_M9_defconfig b/configs/Mele_M9_defconfig
index de2b859..5289a98 100644
--- a/configs/Mele_M9_defconfig
+++ b/configs/Mele_M9_defconfig
@@ -12,6 +12,7 @@
 # CONFIG_CMD_FLASH is not set
 # CONFIG_CMD_FPGA is not set
 # CONFIG_SPL_DOS_PARTITION is not set
+# CONFIG_SPL_ISO_PARTITION is not set
 CONFIG_ETH_DESIGNWARE=y
 CONFIG_AXP_DCDC1_VOLT=3300
 CONFIG_AXP_ALDO1_VOLT=3300
diff --git a/configs/Merrii_A80_Optimus_defconfig b/configs/Merrii_A80_Optimus_defconfig
index b9bdc13..a3a015a 100644
--- a/configs/Merrii_A80_Optimus_defconfig
+++ b/configs/Merrii_A80_Optimus_defconfig
@@ -16,4 +16,5 @@
 # CONFIG_CMD_FLASH is not set
 # CONFIG_CMD_FPGA is not set
 # CONFIG_SPL_DOS_PARTITION is not set
+# CONFIG_SPL_ISO_PARTITION is not set
 CONFIG_AXP809_POWER=y
diff --git a/configs/Mini-X_defconfig b/configs/Mini-X_defconfig
index ee2bb4a..de73ca8 100644
--- a/configs/Mini-X_defconfig
+++ b/configs/Mini-X_defconfig
@@ -11,5 +11,6 @@
 # CONFIG_CMD_FLASH is not set
 # CONFIG_CMD_FPGA is not set
 # CONFIG_SPL_DOS_PARTITION is not set
+# CONFIG_SPL_ISO_PARTITION is not set
 CONFIG_USB_EHCI_HCD=y
 CONFIG_USB_MUSB_HOST=y
diff --git a/configs/MiniFAP_defconfig b/configs/MiniFAP_defconfig
index b0d7b99..7e6dc7e 100644
--- a/configs/MiniFAP_defconfig
+++ b/configs/MiniFAP_defconfig
@@ -21,6 +21,7 @@
 CONFIG_CMD_EXT2=y
 CONFIG_CMD_FAT=y
 CONFIG_MAC_PARTITION=y
+CONFIG_ISO_PARTITION=y
 CONFIG_USB=y
 CONFIG_USB_STORAGE=y
 CONFIG_CONSOLE_EXTRA_INFO=y
diff --git a/configs/Nintendo_NES_Classic_Edition_defconfig b/configs/Nintendo_NES_Classic_Edition_defconfig
index 83b91e2..b967963 100644
--- a/configs/Nintendo_NES_Classic_Edition_defconfig
+++ b/configs/Nintendo_NES_Classic_Edition_defconfig
@@ -15,6 +15,7 @@
 # CONFIG_CMD_FLASH is not set
 # CONFIG_CMD_FPGA is not set
 # CONFIG_SPL_DOS_PARTITION is not set
+# CONFIG_SPL_ISO_PARTITION is not set
 CONFIG_AXP_DLDO1_VOLT=3300
 CONFIG_AXP_ELDO2_VOLT=1800
 CONFIG_USB_MUSB_GADGET=y
diff --git a/configs/O2D300_defconfig b/configs/O2D300_defconfig
index 00428ed..5fe4218 100644
--- a/configs/O2D300_defconfig
+++ b/configs/O2D300_defconfig
@@ -12,5 +12,6 @@
 CONFIG_CMD_PING=y
 CONFIG_CMD_FAT=y
 CONFIG_MAC_PARTITION=y
+CONFIG_ISO_PARTITION=y
 # CONFIG_PCI is not set
 CONFIG_OF_LIBFDT=y
diff --git a/configs/O2DNT2_RAMBOOT_defconfig b/configs/O2DNT2_RAMBOOT_defconfig
index 2c70e2e..ccfa82b 100644
--- a/configs/O2DNT2_RAMBOOT_defconfig
+++ b/configs/O2DNT2_RAMBOOT_defconfig
@@ -16,5 +16,6 @@
 CONFIG_CMD_PING=y
 CONFIG_CMD_FAT=y
 CONFIG_MAC_PARTITION=y
+CONFIG_ISO_PARTITION=y
 # CONFIG_PCI is not set
 CONFIG_OF_LIBFDT=y
diff --git a/configs/O2DNT2_defconfig b/configs/O2DNT2_defconfig
index 968ae00..a074d55 100644
--- a/configs/O2DNT2_defconfig
+++ b/configs/O2DNT2_defconfig
@@ -15,5 +15,6 @@
 CONFIG_CMD_PING=y
 CONFIG_CMD_FAT=y
 CONFIG_MAC_PARTITION=y
+CONFIG_ISO_PARTITION=y
 # CONFIG_PCI is not set
 CONFIG_OF_LIBFDT=y
diff --git a/configs/O2D_defconfig b/configs/O2D_defconfig
index 29d8864..e044afe 100644
--- a/configs/O2D_defconfig
+++ b/configs/O2D_defconfig
@@ -12,5 +12,6 @@
 CONFIG_CMD_PING=y
 CONFIG_CMD_FAT=y
 CONFIG_MAC_PARTITION=y
+CONFIG_ISO_PARTITION=y
 # CONFIG_PCI is not set
 CONFIG_OF_LIBFDT=y
diff --git a/configs/O2I_defconfig b/configs/O2I_defconfig
index a36f05d..2c8d3e1 100644
--- a/configs/O2I_defconfig
+++ b/configs/O2I_defconfig
@@ -12,5 +12,6 @@
 CONFIG_CMD_PING=y
 CONFIG_CMD_FAT=y
 CONFIG_MAC_PARTITION=y
+CONFIG_ISO_PARTITION=y
 # CONFIG_PCI is not set
 CONFIG_OF_LIBFDT=y
diff --git a/configs/O2MNT_O2M110_defconfig b/configs/O2MNT_O2M110_defconfig
index f8cfd18..3c8b69b 100644
--- a/configs/O2MNT_O2M110_defconfig
+++ b/configs/O2MNT_O2M110_defconfig
@@ -13,5 +13,6 @@
 CONFIG_CMD_PING=y
 CONFIG_CMD_FAT=y
 CONFIG_MAC_PARTITION=y
+CONFIG_ISO_PARTITION=y
 # CONFIG_PCI is not set
 CONFIG_OF_LIBFDT=y
diff --git a/configs/O2MNT_O2M112_defconfig b/configs/O2MNT_O2M112_defconfig
index bc72dad..a1aefde 100644
--- a/configs/O2MNT_O2M112_defconfig
+++ b/configs/O2MNT_O2M112_defconfig
@@ -13,5 +13,6 @@
 CONFIG_CMD_PING=y
 CONFIG_CMD_FAT=y
 CONFIG_MAC_PARTITION=y
+CONFIG_ISO_PARTITION=y
 # CONFIG_PCI is not set
 CONFIG_OF_LIBFDT=y
diff --git a/configs/O2MNT_O2M113_defconfig b/configs/O2MNT_O2M113_defconfig
index 0637d30..a2220a9 100644
--- a/configs/O2MNT_O2M113_defconfig
+++ b/configs/O2MNT_O2M113_defconfig
@@ -13,5 +13,6 @@
 CONFIG_CMD_PING=y
 CONFIG_CMD_FAT=y
 CONFIG_MAC_PARTITION=y
+CONFIG_ISO_PARTITION=y
 # CONFIG_PCI is not set
 CONFIG_OF_LIBFDT=y
diff --git a/configs/O2MNT_defconfig b/configs/O2MNT_defconfig
index 9cb26da..fa8d0ad 100644
--- a/configs/O2MNT_defconfig
+++ b/configs/O2MNT_defconfig
@@ -12,5 +12,6 @@
 CONFIG_CMD_PING=y
 CONFIG_CMD_FAT=y
 CONFIG_MAC_PARTITION=y
+CONFIG_ISO_PARTITION=y
 # CONFIG_PCI is not set
 CONFIG_OF_LIBFDT=y
diff --git a/configs/O3DNT_defconfig b/configs/O3DNT_defconfig
index 34dde93..3bc637b 100644
--- a/configs/O3DNT_defconfig
+++ b/configs/O3DNT_defconfig
@@ -12,5 +12,6 @@
 CONFIG_CMD_PING=y
 CONFIG_CMD_FAT=y
 CONFIG_MAC_PARTITION=y
+CONFIG_ISO_PARTITION=y
 # CONFIG_PCI is not set
 CONFIG_OF_LIBFDT=y
diff --git a/configs/Orangepi_defconfig b/configs/Orangepi_defconfig
index 0554b52..d8c49b1 100644
--- a/configs/Orangepi_defconfig
+++ b/configs/Orangepi_defconfig
@@ -17,5 +17,6 @@
 # CONFIG_CMD_FLASH is not set
 # CONFIG_CMD_FPGA is not set
 # CONFIG_SPL_DOS_PARTITION is not set
+# CONFIG_SPL_ISO_PARTITION is not set
 CONFIG_ETH_DESIGNWARE=y
 CONFIG_USB_EHCI_HCD=y
diff --git a/configs/Orangepi_mini_defconfig b/configs/Orangepi_mini_defconfig
index 98df984..e1294db 100644
--- a/configs/Orangepi_mini_defconfig
+++ b/configs/Orangepi_mini_defconfig
@@ -19,5 +19,6 @@
 # CONFIG_CMD_FLASH is not set
 # CONFIG_CMD_FPGA is not set
 # CONFIG_SPL_DOS_PARTITION is not set
+# CONFIG_SPL_ISO_PARTITION is not set
 CONFIG_ETH_DESIGNWARE=y
 CONFIG_USB_EHCI_HCD=y
diff --git a/configs/PIP405_defconfig b/configs/PIP405_defconfig
index 873d00a3f4..0a7746e 100644
--- a/configs/PIP405_defconfig
+++ b/configs/PIP405_defconfig
@@ -21,6 +21,7 @@
 CONFIG_CMD_CACHE=y
 CONFIG_CMD_FAT=y
 CONFIG_MAC_PARTITION=y
+CONFIG_ISO_PARTITION=y
 CONFIG_SYS_NS16550=y
 CONFIG_USB=y
 CONFIG_USB_STORAGE=y
diff --git a/configs/PMC440_defconfig b/configs/PMC440_defconfig
index 3aa54d7..0bcc586 100644
--- a/configs/PMC440_defconfig
+++ b/configs/PMC440_defconfig
@@ -19,6 +19,7 @@
 CONFIG_CMD_PING=y
 CONFIG_CMD_FAT=y
 CONFIG_MAC_PARTITION=y
+CONFIG_ISO_PARTITION=y
 CONFIG_SYS_NS16550=y
 CONFIG_USB=y
 CONFIG_USB_STORAGE=y
diff --git a/configs/Sinlinx_SinA31s_defconfig b/configs/Sinlinx_SinA31s_defconfig
index f237f99..49215c4 100644
--- a/configs/Sinlinx_SinA31s_defconfig
+++ b/configs/Sinlinx_SinA31s_defconfig
@@ -16,6 +16,7 @@
 # CONFIG_CMD_FLASH is not set
 # CONFIG_CMD_FPGA is not set
 # CONFIG_SPL_DOS_PARTITION is not set
+# CONFIG_SPL_ISO_PARTITION is not set
 CONFIG_ETH_DESIGNWARE=y
 CONFIG_AXP_DLDO1_VOLT=3300
 CONFIG_USB_EHCI_HCD=y
diff --git a/configs/Sinlinx_SinA33_defconfig b/configs/Sinlinx_SinA33_defconfig
index c9b2131..12b8f47 100644
--- a/configs/Sinlinx_SinA33_defconfig
+++ b/configs/Sinlinx_SinA33_defconfig
@@ -18,6 +18,7 @@
 CONFIG_CMD_DFU=y
 # CONFIG_CMD_FPGA is not set
 # CONFIG_SPL_DOS_PARTITION is not set
+# CONFIG_SPL_ISO_PARTITION is not set
 CONFIG_DFU_RAM=y
 CONFIG_USB_EHCI_HCD=y
 CONFIG_USB_MUSB_GADGET=y
diff --git a/configs/Sinovoip_BPI_M2_defconfig b/configs/Sinovoip_BPI_M2_defconfig
index 4f01c0a..fdfb6e1 100644
--- a/configs/Sinovoip_BPI_M2_defconfig
+++ b/configs/Sinovoip_BPI_M2_defconfig
@@ -12,6 +12,7 @@
 # CONFIG_CMD_FLASH is not set
 # CONFIG_CMD_FPGA is not set
 # CONFIG_SPL_DOS_PARTITION is not set
+# CONFIG_SPL_ISO_PARTITION is not set
 CONFIG_ETH_DESIGNWARE=y
 CONFIG_AXP_ALDO1_VOLT=3300
 CONFIG_AXP_ALDO2_VOLT=1800
diff --git a/configs/Sinovoip_BPI_M3_defconfig b/configs/Sinovoip_BPI_M3_defconfig
index 7518225..0f37741 100644
--- a/configs/Sinovoip_BPI_M3_defconfig
+++ b/configs/Sinovoip_BPI_M3_defconfig
@@ -20,6 +20,7 @@
 # CONFIG_CMD_FLASH is not set
 # CONFIG_CMD_FPGA is not set
 # CONFIG_SPL_DOS_PARTITION is not set
+# CONFIG_SPL_ISO_PARTITION is not set
 CONFIG_AXP_DCDC5_VOLT=1200
 CONFIG_AXP_DLDO3_VOLT=2500
 CONFIG_AXP_SW_ON=y
diff --git a/configs/TQM5200S_HIGHBOOT_defconfig b/configs/TQM5200S_HIGHBOOT_defconfig
index 0f52d35..b54c494 100644
--- a/configs/TQM5200S_HIGHBOOT_defconfig
+++ b/configs/TQM5200S_HIGHBOOT_defconfig
@@ -18,6 +18,7 @@
 CONFIG_CMD_EXT2=y
 CONFIG_CMD_FAT=y
 CONFIG_MAC_PARTITION=y
+CONFIG_ISO_PARTITION=y
 CONFIG_USB=y
 CONFIG_USB_STORAGE=y
 CONFIG_OF_LIBFDT=y
diff --git a/configs/TQM5200S_defconfig b/configs/TQM5200S_defconfig
index d763d2f..20106bc 100644
--- a/configs/TQM5200S_defconfig
+++ b/configs/TQM5200S_defconfig
@@ -18,6 +18,7 @@
 CONFIG_CMD_EXT2=y
 CONFIG_CMD_FAT=y
 CONFIG_MAC_PARTITION=y
+CONFIG_ISO_PARTITION=y
 CONFIG_USB=y
 CONFIG_USB_STORAGE=y
 CONFIG_OF_LIBFDT=y
diff --git a/configs/TQM5200_B_HIGHBOOT_defconfig b/configs/TQM5200_B_HIGHBOOT_defconfig
index d7f4365..520f89e 100644
--- a/configs/TQM5200_B_HIGHBOOT_defconfig
+++ b/configs/TQM5200_B_HIGHBOOT_defconfig
@@ -21,6 +21,7 @@
 CONFIG_CMD_EXT2=y
 CONFIG_CMD_FAT=y
 CONFIG_MAC_PARTITION=y
+CONFIG_ISO_PARTITION=y
 CONFIG_USB=y
 CONFIG_USB_STORAGE=y
 CONFIG_CONSOLE_EXTRA_INFO=y
diff --git a/configs/TQM5200_B_defconfig b/configs/TQM5200_B_defconfig
index 1eb00e8..6856043 100644
--- a/configs/TQM5200_B_defconfig
+++ b/configs/TQM5200_B_defconfig
@@ -21,6 +21,7 @@
 CONFIG_CMD_EXT2=y
 CONFIG_CMD_FAT=y
 CONFIG_MAC_PARTITION=y
+CONFIG_ISO_PARTITION=y
 CONFIG_USB=y
 CONFIG_USB_STORAGE=y
 CONFIG_CONSOLE_EXTRA_INFO=y
diff --git a/configs/TQM5200_STK100_defconfig b/configs/TQM5200_STK100_defconfig
index cd59a5b..31e1506 100644
--- a/configs/TQM5200_STK100_defconfig
+++ b/configs/TQM5200_STK100_defconfig
@@ -21,6 +21,7 @@
 CONFIG_CMD_EXT2=y
 CONFIG_CMD_FAT=y
 CONFIG_MAC_PARTITION=y
+CONFIG_ISO_PARTITION=y
 CONFIG_USB=y
 CONFIG_USB_STORAGE=y
 CONFIG_CONSOLE_EXTRA_INFO=y
diff --git a/configs/TQM5200_defconfig b/configs/TQM5200_defconfig
index 227cefa..10dd8aa 100644
--- a/configs/TQM5200_defconfig
+++ b/configs/TQM5200_defconfig
@@ -20,6 +20,7 @@
 CONFIG_CMD_EXT2=y
 CONFIG_CMD_FAT=y
 CONFIG_MAC_PARTITION=y
+CONFIG_ISO_PARTITION=y
 CONFIG_USB=y
 CONFIG_USB_STORAGE=y
 CONFIG_CONSOLE_EXTRA_INFO=y
diff --git a/configs/UTOO_P66_defconfig b/configs/UTOO_P66_defconfig
index 3c54987..2054fd9 100644
--- a/configs/UTOO_P66_defconfig
+++ b/configs/UTOO_P66_defconfig
@@ -25,5 +25,6 @@
 # CONFIG_CMD_FLASH is not set
 # CONFIG_CMD_FPGA is not set
 # CONFIG_SPL_DOS_PARTITION is not set
+# CONFIG_SPL_ISO_PARTITION is not set
 # CONFIG_REQUIRE_SERIAL_CONSOLE is not set
 CONFIG_USB_MUSB_HOST=y
diff --git a/configs/Wexler_TAB7200_defconfig b/configs/Wexler_TAB7200_defconfig
index b97aec0..8fdce08 100644
--- a/configs/Wexler_TAB7200_defconfig
+++ b/configs/Wexler_TAB7200_defconfig
@@ -18,5 +18,6 @@
 # CONFIG_CMD_FLASH is not set
 # CONFIG_CMD_FPGA is not set
 # CONFIG_SPL_DOS_PARTITION is not set
+# CONFIG_SPL_ISO_PARTITION is not set
 CONFIG_USB_EHCI_HCD=y
 CONFIG_USB_MUSB_HOST=y
diff --git a/configs/Wits_Pro_A20_DKT_defconfig b/configs/Wits_Pro_A20_DKT_defconfig
index ee8cb19..4327833 100644
--- a/configs/Wits_Pro_A20_DKT_defconfig
+++ b/configs/Wits_Pro_A20_DKT_defconfig
@@ -18,5 +18,6 @@
 # CONFIG_CMD_FLASH is not set
 # CONFIG_CMD_FPGA is not set
 # CONFIG_SPL_DOS_PARTITION is not set
+# CONFIG_SPL_ISO_PARTITION is not set
 CONFIG_ETH_DESIGNWARE=y
 CONFIG_USB_EHCI_HCD=y
diff --git a/configs/Wobo_i5_defconfig b/configs/Wobo_i5_defconfig
index b8a5491..35717c1 100644
--- a/configs/Wobo_i5_defconfig
+++ b/configs/Wobo_i5_defconfig
@@ -12,6 +12,7 @@
 # CONFIG_CMD_FLASH is not set
 # CONFIG_CMD_FPGA is not set
 # CONFIG_SPL_DOS_PARTITION is not set
+# CONFIG_SPL_ISO_PARTITION is not set
 CONFIG_AXP_ALDO3_VOLT=3300
 CONFIG_AXP_ALDO4_VOLT=3300
 CONFIG_USB_EHCI_HCD=y
diff --git a/configs/Yones_Toptech_BD1078_defconfig b/configs/Yones_Toptech_BD1078_defconfig
index 94903c8..b187230 100644
--- a/configs/Yones_Toptech_BD1078_defconfig
+++ b/configs/Yones_Toptech_BD1078_defconfig
@@ -24,4 +24,5 @@
 # CONFIG_CMD_FLASH is not set
 # CONFIG_CMD_FPGA is not set
 # CONFIG_SPL_DOS_PARTITION is not set
+# CONFIG_SPL_ISO_PARTITION is not set
 CONFIG_USB_MUSB_HOST=y
diff --git a/configs/Yones_Toptech_BS1078_V2_defconfig b/configs/Yones_Toptech_BS1078_V2_defconfig
index 52bb545..d6246f4 100644
--- a/configs/Yones_Toptech_BS1078_V2_defconfig
+++ b/configs/Yones_Toptech_BS1078_V2_defconfig
@@ -20,5 +20,6 @@
 # CONFIG_CMD_FLASH is not set
 # CONFIG_CMD_FPGA is not set
 # CONFIG_SPL_DOS_PARTITION is not set
+# CONFIG_SPL_ISO_PARTITION is not set
 CONFIG_AXP_DLDO1_VOLT=3300
 CONFIG_USB_MUSB_HOST=y
diff --git a/configs/acadia_defconfig b/configs/acadia_defconfig
index 7f33a8f..d4a9588 100644
--- a/configs/acadia_defconfig
+++ b/configs/acadia_defconfig
@@ -17,6 +17,7 @@
 CONFIG_CMD_MII=y
 CONFIG_CMD_PING=y
 CONFIG_MAC_PARTITION=y
+CONFIG_ISO_PARTITION=y
 # CONFIG_PCI is not set
 CONFIG_SYS_NS16550=y
 CONFIG_USB=y
diff --git a/configs/am335x_baltos_defconfig b/configs/am335x_baltos_defconfig
index 971e7ef..ba32fbb 100644
--- a/configs/am335x_baltos_defconfig
+++ b/configs/am335x_baltos_defconfig
@@ -45,6 +45,7 @@
 CONFIG_CMD_FAT=y
 CONFIG_CMD_FS_GENERIC=y
 CONFIG_CMD_UBI=y
+CONFIG_ISO_PARTITION=y
 CONFIG_MMC_OMAP_HS=y
 CONFIG_SYS_NS16550=y
 CONFIG_USB=y
diff --git a/configs/am335x_igep0033_defconfig b/configs/am335x_igep0033_defconfig
index 9d00e87..fbe4837 100644
--- a/configs/am335x_igep0033_defconfig
+++ b/configs/am335x_igep0033_defconfig
@@ -38,6 +38,7 @@
 CONFIG_CMD_EXT4_WRITE=y
 CONFIG_CMD_FAT=y
 CONFIG_CMD_FS_GENERIC=y
+CONFIG_ISO_PARTITION=y
 CONFIG_MMC_OMAP_HS=y
 CONFIG_SYS_NS16550=y
 CONFIG_OF_LIBFDT=y
diff --git a/configs/am335x_shc_defconfig b/configs/am335x_shc_defconfig
index 16290e0..f63081c 100644
--- a/configs/am335x_shc_defconfig
+++ b/configs/am335x_shc_defconfig
@@ -34,5 +34,7 @@
 # CONFIG_CMD_SETEXPR is not set
 CONFIG_MMC_OMAP_HS=y
 CONFIG_DOS_PARTITION=y
+CONFIG_ISO_PARTITION=y
+# CONFIG_SPL_ISO_PARTITION is not set
 CONFIG_SYS_NS16550=y
 CONFIG_OF_LIBFDT=y
diff --git a/configs/am335x_shc_ict_defconfig b/configs/am335x_shc_ict_defconfig
index 96117eb..6867a08 100644
--- a/configs/am335x_shc_ict_defconfig
+++ b/configs/am335x_shc_ict_defconfig
@@ -34,5 +34,7 @@
 # CONFIG_CMD_SETEXPR is not set
 CONFIG_MMC_OMAP_HS=y
 CONFIG_DOS_PARTITION=y
+CONFIG_ISO_PARTITION=y
+# CONFIG_SPL_ISO_PARTITION is not set
 CONFIG_SYS_NS16550=y
 CONFIG_OF_LIBFDT=y
diff --git a/configs/am335x_shc_netboot_defconfig b/configs/am335x_shc_netboot_defconfig
index df1c841..98777e6 100644
--- a/configs/am335x_shc_netboot_defconfig
+++ b/configs/am335x_shc_netboot_defconfig
@@ -35,5 +35,7 @@
 # CONFIG_CMD_SETEXPR is not set
 CONFIG_MMC_OMAP_HS=y
 CONFIG_DOS_PARTITION=y
+CONFIG_ISO_PARTITION=y
+# CONFIG_SPL_ISO_PARTITION is not set
 CONFIG_SYS_NS16550=y
 CONFIG_OF_LIBFDT=y
diff --git a/configs/am335x_shc_prompt_defconfig b/configs/am335x_shc_prompt_defconfig
index 5886681..b85d50d 100644
--- a/configs/am335x_shc_prompt_defconfig
+++ b/configs/am335x_shc_prompt_defconfig
@@ -32,5 +32,7 @@
 # CONFIG_CMD_SETEXPR is not set
 CONFIG_MMC_OMAP_HS=y
 CONFIG_DOS_PARTITION=y
+CONFIG_ISO_PARTITION=y
+# CONFIG_SPL_ISO_PARTITION is not set
 CONFIG_SYS_NS16550=y
 CONFIG_OF_LIBFDT=y
diff --git a/configs/am335x_shc_sdboot_defconfig b/configs/am335x_shc_sdboot_defconfig
index 0ce3ddc..0607536 100644
--- a/configs/am335x_shc_sdboot_defconfig
+++ b/configs/am335x_shc_sdboot_defconfig
@@ -34,5 +34,7 @@
 # CONFIG_CMD_SETEXPR is not set
 CONFIG_MMC_OMAP_HS=y
 CONFIG_DOS_PARTITION=y
+CONFIG_ISO_PARTITION=y
+# CONFIG_SPL_ISO_PARTITION is not set
 CONFIG_SYS_NS16550=y
 CONFIG_OF_LIBFDT=y
diff --git a/configs/am335x_shc_sdboot_prompt_defconfig b/configs/am335x_shc_sdboot_prompt_defconfig
index 0ce3ddc..0607536 100644
--- a/configs/am335x_shc_sdboot_prompt_defconfig
+++ b/configs/am335x_shc_sdboot_prompt_defconfig
@@ -34,5 +34,7 @@
 # CONFIG_CMD_SETEXPR is not set
 CONFIG_MMC_OMAP_HS=y
 CONFIG_DOS_PARTITION=y
+CONFIG_ISO_PARTITION=y
+# CONFIG_SPL_ISO_PARTITION is not set
 CONFIG_SYS_NS16550=y
 CONFIG_OF_LIBFDT=y
diff --git a/configs/am43xx_evm_defconfig b/configs/am43xx_evm_defconfig
index 5bfe8e1..12425a0 100644
--- a/configs/am43xx_evm_defconfig
+++ b/configs/am43xx_evm_defconfig
@@ -34,6 +34,7 @@
 CONFIG_CMD_EXT4_WRITE=y
 CONFIG_CMD_FAT=y
 CONFIG_CMD_FS_GENERIC=y
+CONFIG_ISO_PARTITION=y
 CONFIG_OF_CONTROL=y
 CONFIG_OF_LIST="am437x-gp-evm am437x-sk-evm am43x-epos-evm am437x-idk-evm"
 CONFIG_DM=y
diff --git a/configs/am43xx_evm_ethboot_defconfig b/configs/am43xx_evm_ethboot_defconfig
index e74e967..f057cf3 100644
--- a/configs/am43xx_evm_ethboot_defconfig
+++ b/configs/am43xx_evm_ethboot_defconfig
@@ -32,6 +32,7 @@
 CONFIG_CMD_EXT4_WRITE=y
 CONFIG_CMD_FAT=y
 CONFIG_CMD_FS_GENERIC=y
+CONFIG_ISO_PARTITION=y
 CONFIG_DFU_MMC=y
 CONFIG_DFU_RAM=y
 CONFIG_DFU_SF=y
diff --git a/configs/am43xx_evm_qspiboot_defconfig b/configs/am43xx_evm_qspiboot_defconfig
index cdcc7dd..58ec68b 100644
--- a/configs/am43xx_evm_qspiboot_defconfig
+++ b/configs/am43xx_evm_qspiboot_defconfig
@@ -28,6 +28,7 @@
 CONFIG_CMD_EXT4_WRITE=y
 CONFIG_CMD_FAT=y
 CONFIG_CMD_FS_GENERIC=y
+CONFIG_ISO_PARTITION=y
 CONFIG_DFU_MMC=y
 CONFIG_DFU_RAM=y
 CONFIG_DFU_SF=y
diff --git a/configs/am43xx_evm_usbhost_boot_defconfig b/configs/am43xx_evm_usbhost_boot_defconfig
index 35bafe3..7755504 100644
--- a/configs/am43xx_evm_usbhost_boot_defconfig
+++ b/configs/am43xx_evm_usbhost_boot_defconfig
@@ -37,6 +37,7 @@
 CONFIG_CMD_EXT4_WRITE=y
 CONFIG_CMD_FAT=y
 CONFIG_CMD_FS_GENERIC=y
+CONFIG_ISO_PARTITION=y
 CONFIG_OF_CONTROL=y
 CONFIG_OF_LIST="am437x-gp-evm am437x-sk-evm am43x-epos-evm am437x-idk-evm"
 CONFIG_DM=y
diff --git a/configs/am43xx_hs_evm_defconfig b/configs/am43xx_hs_evm_defconfig
index 1567c91..ba3c273 100644
--- a/configs/am43xx_hs_evm_defconfig
+++ b/configs/am43xx_hs_evm_defconfig
@@ -37,6 +37,7 @@
 CONFIG_CMD_EXT4_WRITE=y
 CONFIG_CMD_FAT=y
 CONFIG_CMD_FS_GENERIC=y
+CONFIG_ISO_PARTITION=y
 CONFIG_OF_CONTROL=y
 CONFIG_DM=y
 # CONFIG_BLK is not set
diff --git a/configs/am57xx_evm_defconfig b/configs/am57xx_evm_defconfig
index 656d991..94d38a8 100644
--- a/configs/am57xx_evm_defconfig
+++ b/configs/am57xx_evm_defconfig
@@ -48,6 +48,7 @@
 CONFIG_CMD_EXT4_WRITE=y
 CONFIG_CMD_FAT=y
 CONFIG_CMD_FS_GENERIC=y
+CONFIG_ISO_PARTITION=y
 CONFIG_OF_CONTROL=y
 CONFIG_OF_LIST="am57xx-beagle-x15 am57xx-beagle-x15-revb1 am572x-idk am571x-idk"
 CONFIG_DM=y
diff --git a/configs/am57xx_evm_nodt_defconfig b/configs/am57xx_evm_nodt_defconfig
index b3b95f9..37338cb 100644
--- a/configs/am57xx_evm_nodt_defconfig
+++ b/configs/am57xx_evm_nodt_defconfig
@@ -39,6 +39,7 @@
 CONFIG_CMD_EXT4_WRITE=y
 CONFIG_CMD_FAT=y
 CONFIG_CMD_FS_GENERIC=y
+CONFIG_ISO_PARTITION=y
 CONFIG_MMC_OMAP_HS=y
 CONFIG_SPI_FLASH=y
 CONFIG_SPI_FLASH_BAR=y
diff --git a/configs/am57xx_hs_evm_defconfig b/configs/am57xx_hs_evm_defconfig
index d920d68..b46ae27 100644
--- a/configs/am57xx_hs_evm_defconfig
+++ b/configs/am57xx_hs_evm_defconfig
@@ -51,6 +51,7 @@
 CONFIG_CMD_EXT4_WRITE=y
 CONFIG_CMD_FAT=y
 CONFIG_CMD_FS_GENERIC=y
+CONFIG_ISO_PARTITION=y
 CONFIG_OF_CONTROL=y
 CONFIG_DM=y
 # CONFIG_BLK is not set
diff --git a/configs/ap121_defconfig b/configs/ap121_defconfig
index 91ebb3b..f3472ae 100644
--- a/configs/ap121_defconfig
+++ b/configs/ap121_defconfig
@@ -21,6 +21,7 @@
 # CONFIG_CMD_FPGA is not set
 CONFIG_CMD_DHCP=y
 CONFIG_CMD_PING=y
+# CONFIG_ISO_PARTITION is not set
 CONFIG_NET_RANDOM_ETHADDR=y
 CONFIG_DM_SPI_FLASH=y
 CONFIG_SPI_FLASH=y
diff --git a/configs/ap143_defconfig b/configs/ap143_defconfig
index d087c19..ed886b2 100644
--- a/configs/ap143_defconfig
+++ b/configs/ap143_defconfig
@@ -22,6 +22,7 @@
 # CONFIG_CMD_FPGA is not set
 # CONFIG_CMD_NET is not set
 # CONFIG_CMD_NFS is not set
+# CONFIG_ISO_PARTITION is not set
 CONFIG_DM_SPI_FLASH=y
 CONFIG_SPI_FLASH=y
 CONFIG_SPI_FLASH_BAR=y
diff --git a/configs/apalis_t30_defconfig b/configs/apalis_t30_defconfig
index a21104d..ab674b1 100644
--- a/configs/apalis_t30_defconfig
+++ b/configs/apalis_t30_defconfig
@@ -22,6 +22,7 @@
 # CONFIG_CMD_NFS is not set
 CONFIG_CMD_EXT4_WRITE=y
 # CONFIG_SPL_DOS_PARTITION is not set
+# CONFIG_SPL_ISO_PARTITION is not set
 CONFIG_SPL_DM=y
 # CONFIG_BLK is not set
 CONFIG_DFU_MMC=y
diff --git a/configs/arches_defconfig b/configs/arches_defconfig
index c35af0f..d8f79f7 100644
--- a/configs/arches_defconfig
+++ b/configs/arches_defconfig
@@ -20,5 +20,6 @@
 CONFIG_CMD_CACHE=y
 CONFIG_MAC_PARTITION=y
 CONFIG_DOS_PARTITION=y
+CONFIG_ISO_PARTITION=y
 CONFIG_OF_CONTROL=y
 CONFIG_SYS_NS16550=y
diff --git a/configs/ba10_tv_box_defconfig b/configs/ba10_tv_box_defconfig
index 4ff52f2..cfcc95b 100644
--- a/configs/ba10_tv_box_defconfig
+++ b/configs/ba10_tv_box_defconfig
@@ -15,5 +15,6 @@
 # CONFIG_CMD_FLASH is not set
 # CONFIG_CMD_FPGA is not set
 # CONFIG_SPL_DOS_PARTITION is not set
+# CONFIG_SPL_ISO_PARTITION is not set
 CONFIG_USB_EHCI_HCD=y
 CONFIG_USB_MUSB_HOST=y
diff --git a/configs/bamboo_defconfig b/configs/bamboo_defconfig
index a76c86d..2212b04 100644
--- a/configs/bamboo_defconfig
+++ b/configs/bamboo_defconfig
@@ -21,6 +21,7 @@
 CONFIG_CMD_EXT2=y
 CONFIG_CMD_FAT=y
 CONFIG_MAC_PARTITION=y
+CONFIG_ISO_PARTITION=y
 # CONFIG_PCI_PNP is not set
 CONFIG_SYS_NS16550=y
 CONFIG_USB=y
diff --git a/configs/bayleybay_defconfig b/configs/bayleybay_defconfig
index 3bf2ba8..212740e 100644
--- a/configs/bayleybay_defconfig
+++ b/configs/bayleybay_defconfig
@@ -41,6 +41,7 @@
 CONFIG_CMD_FAT=y
 CONFIG_CMD_FS_GENERIC=y
 CONFIG_MAC_PARTITION=y
+CONFIG_ISO_PARTITION=y
 CONFIG_OF_CONTROL=y
 CONFIG_REGMAP=y
 CONFIG_SYSCON=y
diff --git a/configs/beaver_defconfig b/configs/beaver_defconfig
index 69ce348..017ed98 100644
--- a/configs/beaver_defconfig
+++ b/configs/beaver_defconfig
@@ -23,6 +23,7 @@
 # CONFIG_CMD_NFS is not set
 CONFIG_CMD_EXT4_WRITE=y
 # CONFIG_SPL_DOS_PARTITION is not set
+# CONFIG_SPL_ISO_PARTITION is not set
 CONFIG_SPL_DM=y
 # CONFIG_BLK is not set
 CONFIG_DFU_MMC=y
diff --git a/configs/birdland_bav335a_defconfig b/configs/birdland_bav335a_defconfig
index 2954175..0876f6b 100644
--- a/configs/birdland_bav335a_defconfig
+++ b/configs/birdland_bav335a_defconfig
@@ -44,6 +44,7 @@
 CONFIG_CMD_EXT4_WRITE=y
 CONFIG_CMD_FAT=y
 CONFIG_CMD_FS_GENERIC=y
+CONFIG_ISO_PARTITION=y
 CONFIG_DFU_MMC=y
 CONFIG_DFU_RAM=y
 CONFIG_MMC_OMAP_HS=y
diff --git a/configs/birdland_bav335b_defconfig b/configs/birdland_bav335b_defconfig
index 728a2dd..a92863f 100644
--- a/configs/birdland_bav335b_defconfig
+++ b/configs/birdland_bav335b_defconfig
@@ -44,6 +44,7 @@
 CONFIG_CMD_EXT4_WRITE=y
 CONFIG_CMD_FAT=y
 CONFIG_CMD_FS_GENERIC=y
+CONFIG_ISO_PARTITION=y
 CONFIG_DFU_MMC=y
 CONFIG_DFU_RAM=y
 CONFIG_MMC_OMAP_HS=y
diff --git a/configs/boston32r2_defconfig b/configs/boston32r2_defconfig
index 0173fc3..09e08c1 100644
--- a/configs/boston32r2_defconfig
+++ b/configs/boston32r2_defconfig
@@ -28,6 +28,7 @@
 CONFIG_CMD_FAT=y
 CONFIG_CMD_FS_GENERIC=y
 # CONFIG_DOS_PARTITION is not set
+# CONFIG_ISO_PARTITION is not set
 CONFIG_OF_EMBED=y
 CONFIG_NET_RANDOM_ETHADDR=y
 CONFIG_CLK=y
diff --git a/configs/boston32r2el_defconfig b/configs/boston32r2el_defconfig
index 367f0d8..3646683 100644
--- a/configs/boston32r2el_defconfig
+++ b/configs/boston32r2el_defconfig
@@ -29,6 +29,7 @@
 CONFIG_CMD_FAT=y
 CONFIG_CMD_FS_GENERIC=y
 # CONFIG_DOS_PARTITION is not set
+# CONFIG_ISO_PARTITION is not set
 CONFIG_OF_EMBED=y
 CONFIG_NET_RANDOM_ETHADDR=y
 CONFIG_CLK=y
diff --git a/configs/boston64r2_defconfig b/configs/boston64r2_defconfig
index 682dda3..62350e5 100644
--- a/configs/boston64r2_defconfig
+++ b/configs/boston64r2_defconfig
@@ -29,6 +29,7 @@
 CONFIG_CMD_FAT=y
 CONFIG_CMD_FS_GENERIC=y
 # CONFIG_DOS_PARTITION is not set
+# CONFIG_ISO_PARTITION is not set
 CONFIG_OF_EMBED=y
 CONFIG_NET_RANDOM_ETHADDR=y
 CONFIG_CLK=y
diff --git a/configs/boston64r2el_defconfig b/configs/boston64r2el_defconfig
index 33a2cfa..d620200 100644
--- a/configs/boston64r2el_defconfig
+++ b/configs/boston64r2el_defconfig
@@ -30,6 +30,7 @@
 CONFIG_CMD_FAT=y
 CONFIG_CMD_FS_GENERIC=y
 # CONFIG_DOS_PARTITION is not set
+# CONFIG_ISO_PARTITION is not set
 CONFIG_OF_EMBED=y
 CONFIG_NET_RANDOM_ETHADDR=y
 CONFIG_CLK=y
diff --git a/configs/cairo_defconfig b/configs/cairo_defconfig
index d18cf94..2a66396 100644
--- a/configs/cairo_defconfig
+++ b/configs/cairo_defconfig
@@ -28,6 +28,7 @@
 CONFIG_CMD_EXT4_WRITE=y
 CONFIG_CMD_FAT=y
 CONFIG_CMD_FS_GENERIC=y
+CONFIG_ISO_PARTITION=y
 CONFIG_MMC_OMAP_HS=y
 CONFIG_SYS_NS16550=y
 CONFIG_OF_LIBFDT=y
diff --git a/configs/cam5200_defconfig b/configs/cam5200_defconfig
index 0f7f361..2d24e2f 100644
--- a/configs/cam5200_defconfig
+++ b/configs/cam5200_defconfig
@@ -16,5 +16,6 @@
 CONFIG_CMD_SNTP=y
 CONFIG_MAC_PARTITION=y
 CONFIG_DOS_PARTITION=y
+CONFIG_ISO_PARTITION=y
 # CONFIG_PCI is not set
 CONFIG_OF_LIBFDT=y
diff --git a/configs/cam5200_niosflash_defconfig b/configs/cam5200_niosflash_defconfig
index d409901..fb59b3b 100644
--- a/configs/cam5200_niosflash_defconfig
+++ b/configs/cam5200_niosflash_defconfig
@@ -16,5 +16,6 @@
 CONFIG_CMD_SNTP=y
 CONFIG_MAC_PARTITION=y
 CONFIG_DOS_PARTITION=y
+CONFIG_ISO_PARTITION=y
 # CONFIG_PCI is not set
 CONFIG_OF_LIBFDT=y
diff --git a/configs/canyonlands_defconfig b/configs/canyonlands_defconfig
index 77d1e5c..8b2ee88 100644
--- a/configs/canyonlands_defconfig
+++ b/configs/canyonlands_defconfig
@@ -23,6 +23,7 @@
 CONFIG_CMD_EXT2=y
 CONFIG_CMD_FAT=y
 CONFIG_MAC_PARTITION=y
+CONFIG_ISO_PARTITION=y
 CONFIG_OF_CONTROL=y
 CONFIG_OF_EMBED=y
 CONFIG_SYS_NS16550=y
diff --git a/configs/cardhu_defconfig b/configs/cardhu_defconfig
index 007b785..68f57b3 100644
--- a/configs/cardhu_defconfig
+++ b/configs/cardhu_defconfig
@@ -21,6 +21,7 @@
 # CONFIG_CMD_NFS is not set
 CONFIG_CMD_EXT4_WRITE=y
 # CONFIG_SPL_DOS_PARTITION is not set
+# CONFIG_SPL_ISO_PARTITION is not set
 CONFIG_SPL_DM=y
 # CONFIG_BLK is not set
 # CONFIG_DM_MMC_OPS is not set
diff --git a/configs/cei-tk1-som_defconfig b/configs/cei-tk1-som_defconfig
index 309b15e..40ec5cd 100644
--- a/configs/cei-tk1-som_defconfig
+++ b/configs/cei-tk1-som_defconfig
@@ -23,6 +23,7 @@
 # CONFIG_CMD_NFS is not set
 CONFIG_CMD_EXT4_WRITE=y
 # CONFIG_SPL_DOS_PARTITION is not set
+# CONFIG_SPL_ISO_PARTITION is not set
 CONFIG_SPL_DM=y
 # CONFIG_BLK is not set
 CONFIG_DFU_MMC=y
diff --git a/configs/charon_defconfig b/configs/charon_defconfig
index 5b986e7..95801d7 100644
--- a/configs/charon_defconfig
+++ b/configs/charon_defconfig
@@ -20,6 +20,7 @@
 CONFIG_CMD_EXT2=y
 CONFIG_CMD_FAT=y
 CONFIG_MAC_PARTITION=y
+CONFIG_ISO_PARTITION=y
 CONFIG_USB=y
 CONFIG_USB_STORAGE=y
 CONFIG_CONSOLE_EXTRA_INFO=y
diff --git a/configs/chromebit_mickey_defconfig b/configs/chromebit_mickey_defconfig
index 24a27a9..f386ac7 100644
--- a/configs/chromebit_mickey_defconfig
+++ b/configs/chromebit_mickey_defconfig
@@ -23,6 +23,8 @@
 CONFIG_CMD_PMIC=y
 CONFIG_CMD_REGULATOR=y
 # CONFIG_SPL_DOS_PARTITION is not set
+CONFIG_ISO_PARTITION=y
+# CONFIG_SPL_ISO_PARTITION is not set
 CONFIG_SPL_OF_CONTROL=y
 CONFIG_OF_SPL_REMOVE_PROPS="pinctrl-0 pinctrl-names clock-names interrupt-parent assigned-clocks assigned-clock-rates assigned-clock-parents"
 CONFIG_SPL_OF_PLATDATA=y
diff --git a/configs/chromebook_jerry_defconfig b/configs/chromebook_jerry_defconfig
index 2391ef9..7904e4b 100644
--- a/configs/chromebook_jerry_defconfig
+++ b/configs/chromebook_jerry_defconfig
@@ -24,6 +24,8 @@
 CONFIG_CMD_PMIC=y
 CONFIG_CMD_REGULATOR=y
 # CONFIG_SPL_DOS_PARTITION is not set
+CONFIG_ISO_PARTITION=y
+# CONFIG_SPL_ISO_PARTITION is not set
 CONFIG_SPL_OF_CONTROL=y
 CONFIG_OF_SPL_REMOVE_PROPS="pinctrl-0 pinctrl-names clock-names interrupt-parent assigned-clocks assigned-clock-rates assigned-clock-parents"
 CONFIG_SPL_OF_PLATDATA=y
diff --git a/configs/chromebook_link_defconfig b/configs/chromebook_link_defconfig
index 893a8c1..9d590c2 100644
--- a/configs/chromebook_link_defconfig
+++ b/configs/chromebook_link_defconfig
@@ -33,6 +33,7 @@
 CONFIG_CMD_FAT=y
 CONFIG_CMD_FS_GENERIC=y
 CONFIG_MAC_PARTITION=y
+CONFIG_ISO_PARTITION=y
 CONFIG_OF_CONTROL=y
 CONFIG_REGMAP=y
 CONFIG_SYSCON=y
diff --git a/configs/chromebook_minnie_defconfig b/configs/chromebook_minnie_defconfig
index ffdca99..67de5e4 100644
--- a/configs/chromebook_minnie_defconfig
+++ b/configs/chromebook_minnie_defconfig
@@ -24,6 +24,8 @@
 CONFIG_CMD_PMIC=y
 CONFIG_CMD_REGULATOR=y
 # CONFIG_SPL_DOS_PARTITION is not set
+CONFIG_ISO_PARTITION=y
+# CONFIG_SPL_ISO_PARTITION is not set
 CONFIG_SPL_OF_CONTROL=y
 CONFIG_OF_SPL_REMOVE_PROPS="pinctrl-0 pinctrl-names clock-names interrupt-parent assigned-clocks assigned-clock-rates assigned-clock-parents"
 CONFIG_SPL_OF_PLATDATA=y
diff --git a/configs/chromebook_samus_defconfig b/configs/chromebook_samus_defconfig
index d217e6f..9305342 100644
--- a/configs/chromebook_samus_defconfig
+++ b/configs/chromebook_samus_defconfig
@@ -33,6 +33,7 @@
 CONFIG_CMD_FAT=y
 CONFIG_CMD_FS_GENERIC=y
 CONFIG_MAC_PARTITION=y
+CONFIG_ISO_PARTITION=y
 CONFIG_OF_CONTROL=y
 CONFIG_REGMAP=y
 CONFIG_SYSCON=y
diff --git a/configs/chromebox_panther_defconfig b/configs/chromebox_panther_defconfig
index 15bc017..7eae917 100644
--- a/configs/chromebox_panther_defconfig
+++ b/configs/chromebox_panther_defconfig
@@ -30,6 +30,7 @@
 CONFIG_CMD_FAT=y
 CONFIG_CMD_FS_GENERIC=y
 CONFIG_MAC_PARTITION=y
+CONFIG_ISO_PARTITION=y
 CONFIG_OF_CONTROL=y
 CONFIG_REGMAP=y
 CONFIG_SYSCON=y
diff --git a/configs/cl-som-am57x_defconfig b/configs/cl-som-am57x_defconfig
index 6711075..cbdca06 100644
--- a/configs/cl-som-am57x_defconfig
+++ b/configs/cl-som-am57x_defconfig
@@ -23,6 +23,7 @@
 CONFIG_CMD_EXT4_WRITE=y
 CONFIG_CMD_FAT=y
 CONFIG_CMD_FS_GENERIC=y
+CONFIG_ISO_PARTITION=y
 CONFIG_LED_STATUS=y
 CONFIG_LED_STATUS_GPIO=y
 CONFIG_LED_STATUS0=y
diff --git a/configs/cm5200_defconfig b/configs/cm5200_defconfig
index 55a4a34..a3b0013 100644
--- a/configs/cm5200_defconfig
+++ b/configs/cm5200_defconfig
@@ -16,6 +16,7 @@
 CONFIG_CMD_SNTP=y
 CONFIG_CMD_FAT=y
 CONFIG_MAC_PARTITION=y
+CONFIG_ISO_PARTITION=y
 # CONFIG_PCI is not set
 CONFIG_USB=y
 CONFIG_USB_STORAGE=y
diff --git a/configs/cm_t335_defconfig b/configs/cm_t335_defconfig
index b21631c..b57a6c6 100644
--- a/configs/cm_t335_defconfig
+++ b/configs/cm_t335_defconfig
@@ -35,6 +35,7 @@
 CONFIG_CMD_EXT4_WRITE=y
 CONFIG_CMD_FAT=y
 CONFIG_CMD_FS_GENERIC=y
+CONFIG_ISO_PARTITION=y
 CONFIG_LED_STATUS=y
 CONFIG_LED_STATUS_GPIO=y
 CONFIG_LED_STATUS0=y
diff --git a/configs/cm_t43_defconfig b/configs/cm_t43_defconfig
index aafac81..3fbe8cd 100644
--- a/configs/cm_t43_defconfig
+++ b/configs/cm_t43_defconfig
@@ -41,6 +41,7 @@
 CONFIG_CMD_EXT4_WRITE=y
 CONFIG_CMD_FAT=y
 CONFIG_CMD_FS_GENERIC=y
+CONFIG_ISO_PARTITION=y
 CONFIG_DM=y
 CONFIG_DM_GPIO=y
 CONFIG_MMC_OMAP_HS=y
diff --git a/configs/cm_t54_defconfig b/configs/cm_t54_defconfig
index d8ff4c3..48d3836 100644
--- a/configs/cm_t54_defconfig
+++ b/configs/cm_t54_defconfig
@@ -30,6 +30,7 @@
 CONFIG_CMD_EXT4_WRITE=y
 CONFIG_CMD_FAT=y
 CONFIG_CMD_FS_GENERIC=y
+CONFIG_ISO_PARTITION=y
 CONFIG_MMC_OMAP_HS=y
 CONFIG_SYS_NS16550=y
 CONFIG_USB=y
diff --git a/configs/colibri_t20_defconfig b/configs/colibri_t20_defconfig
index 1b040e9..fe5d33b 100644
--- a/configs/colibri_t20_defconfig
+++ b/configs/colibri_t20_defconfig
@@ -25,6 +25,7 @@
 CONFIG_CMD_EXT4_WRITE=y
 CONFIG_CMD_UBI=y
 # CONFIG_SPL_DOS_PARTITION is not set
+# CONFIG_SPL_ISO_PARTITION is not set
 CONFIG_SPL_DM=y
 # CONFIG_BLK is not set
 CONFIG_DFU_MMC=y
diff --git a/configs/colibri_t30_defconfig b/configs/colibri_t30_defconfig
index 95f4d70..8d0fa76 100644
--- a/configs/colibri_t30_defconfig
+++ b/configs/colibri_t30_defconfig
@@ -22,6 +22,7 @@
 # CONFIG_CMD_NFS is not set
 CONFIG_CMD_EXT4_WRITE=y
 # CONFIG_SPL_DOS_PARTITION is not set
+# CONFIG_SPL_ISO_PARTITION is not set
 CONFIG_SPL_DM=y
 # CONFIG_BLK is not set
 CONFIG_DFU_MMC=y
diff --git a/configs/colorfly_e708_q1_defconfig b/configs/colorfly_e708_q1_defconfig
index d93603c..b9454dc 100644
--- a/configs/colorfly_e708_q1_defconfig
+++ b/configs/colorfly_e708_q1_defconfig
@@ -20,6 +20,7 @@
 # CONFIG_CMD_FLASH is not set
 # CONFIG_CMD_FPGA is not set
 # CONFIG_SPL_DOS_PARTITION is not set
+# CONFIG_SPL_ISO_PARTITION is not set
 CONFIG_AXP_DLDO1_VOLT=3300
 CONFIG_AXP_DLDO2_VOLT=1800
 CONFIG_USB_MUSB_HOST=y
diff --git a/configs/conga-qeval20-qa3-e3845-internal-uart_defconfig b/configs/conga-qeval20-qa3-e3845-internal-uart_defconfig
index 1256f49..f07492e 100644
--- a/configs/conga-qeval20-qa3-e3845-internal-uart_defconfig
+++ b/configs/conga-qeval20-qa3-e3845-internal-uart_defconfig
@@ -39,6 +39,7 @@
 CONFIG_CMD_FAT=y
 CONFIG_CMD_FS_GENERIC=y
 CONFIG_MAC_PARTITION=y
+CONFIG_ISO_PARTITION=y
 CONFIG_OF_CONTROL=y
 CONFIG_REGMAP=y
 CONFIG_SYSCON=y
diff --git a/configs/conga-qeval20-qa3-e3845_defconfig b/configs/conga-qeval20-qa3-e3845_defconfig
index 51017ac..d5655cb 100644
--- a/configs/conga-qeval20-qa3-e3845_defconfig
+++ b/configs/conga-qeval20-qa3-e3845_defconfig
@@ -38,6 +38,7 @@
 CONFIG_CMD_FAT=y
 CONFIG_CMD_FS_GENERIC=y
 CONFIG_MAC_PARTITION=y
+CONFIG_ISO_PARTITION=y
 CONFIG_OF_CONTROL=y
 CONFIG_REGMAP=y
 CONFIG_SYSCON=y
diff --git a/configs/coreboot-x86_defconfig b/configs/coreboot-x86_defconfig
index 47692ba..f6c67ff 100644
--- a/configs/coreboot-x86_defconfig
+++ b/configs/coreboot-x86_defconfig
@@ -26,6 +26,7 @@
 CONFIG_CMD_FAT=y
 CONFIG_CMD_FS_GENERIC=y
 CONFIG_MAC_PARTITION=y
+CONFIG_ISO_PARTITION=y
 CONFIG_OF_CONTROL=y
 CONFIG_REGMAP=y
 CONFIG_SYSCON=y
diff --git a/configs/cougarcanyon2_defconfig b/configs/cougarcanyon2_defconfig
index 515b23f..7460f15 100644
--- a/configs/cougarcanyon2_defconfig
+++ b/configs/cougarcanyon2_defconfig
@@ -23,6 +23,7 @@
 CONFIG_CMD_FAT=y
 CONFIG_CMD_FS_GENERIC=y
 CONFIG_MAC_PARTITION=y
+CONFIG_ISO_PARTITION=y
 CONFIG_OF_CONTROL=y
 CONFIG_REGMAP=y
 CONFIG_SYSCON=y
diff --git a/configs/crownbay_defconfig b/configs/crownbay_defconfig
index 3fbee1c..77ecd0a 100644
--- a/configs/crownbay_defconfig
+++ b/configs/crownbay_defconfig
@@ -30,6 +30,7 @@
 CONFIG_CMD_FAT=y
 CONFIG_CMD_FS_GENERIC=y
 CONFIG_MAC_PARTITION=y
+CONFIG_ISO_PARTITION=y
 CONFIG_OF_CONTROL=y
 CONFIG_REGMAP=y
 CONFIG_SYSCON=y
diff --git a/configs/d2net_v2_defconfig b/configs/d2net_v2_defconfig
index 87686aa..8435c39 100644
--- a/configs/d2net_v2_defconfig
+++ b/configs/d2net_v2_defconfig
@@ -20,6 +20,7 @@
 CONFIG_CMD_PING=y
 CONFIG_CMD_EXT2=y
 CONFIG_CMD_FAT=y
+CONFIG_ISO_PARTITION=y
 CONFIG_SPI_FLASH=y
 CONFIG_SPI_FLASH_MACRONIX=y
 CONFIG_SYS_NS16550=y
diff --git a/configs/dalmore_defconfig b/configs/dalmore_defconfig
index ca76235..22fd7e0 100644
--- a/configs/dalmore_defconfig
+++ b/configs/dalmore_defconfig
@@ -23,6 +23,7 @@
 # CONFIG_CMD_NFS is not set
 CONFIG_CMD_EXT4_WRITE=y
 # CONFIG_SPL_DOS_PARTITION is not set
+# CONFIG_SPL_ISO_PARTITION is not set
 CONFIG_SPL_DM=y
 # CONFIG_BLK is not set
 CONFIG_DFU_MMC=y
diff --git a/configs/dbau1000_defconfig b/configs/dbau1000_defconfig
index 2962bf5..80b5ea4 100644
--- a/configs/dbau1000_defconfig
+++ b/configs/dbau1000_defconfig
@@ -13,3 +13,4 @@
 # CONFIG_CMD_SETEXPR is not set
 CONFIG_CMD_DHCP=y
 CONFIG_MAC_PARTITION=y
+# CONFIG_ISO_PARTITION is not set
diff --git a/configs/dbau1100_defconfig b/configs/dbau1100_defconfig
index 67b36e8..dad02e4 100644
--- a/configs/dbau1100_defconfig
+++ b/configs/dbau1100_defconfig
@@ -13,3 +13,4 @@
 # CONFIG_CMD_SETEXPR is not set
 CONFIG_CMD_DHCP=y
 CONFIG_MAC_PARTITION=y
+# CONFIG_ISO_PARTITION is not set
diff --git a/configs/dbau1500_defconfig b/configs/dbau1500_defconfig
index f447aa6..26f6da0 100644
--- a/configs/dbau1500_defconfig
+++ b/configs/dbau1500_defconfig
@@ -13,3 +13,4 @@
 # CONFIG_CMD_SETEXPR is not set
 CONFIG_CMD_DHCP=y
 CONFIG_MAC_PARTITION=y
+# CONFIG_ISO_PARTITION is not set
diff --git a/configs/dbau1550_defconfig b/configs/dbau1550_defconfig
index 964d8a8..0a10367 100644
--- a/configs/dbau1550_defconfig
+++ b/configs/dbau1550_defconfig
@@ -9,3 +9,4 @@
 # CONFIG_CMD_FPGA is not set
 # CONFIG_CMD_SETEXPR is not set
 # CONFIG_CMD_NFS is not set
+# CONFIG_ISO_PARTITION is not set
diff --git a/configs/dbau1550_el_defconfig b/configs/dbau1550_el_defconfig
index dfe0102..7d50000 100644
--- a/configs/dbau1550_el_defconfig
+++ b/configs/dbau1550_el_defconfig
@@ -10,3 +10,4 @@
 # CONFIG_CMD_FPGA is not set
 # CONFIG_CMD_SETEXPR is not set
 # CONFIG_CMD_NFS is not set
+# CONFIG_ISO_PARTITION is not set
diff --git a/configs/devconcenter_defconfig b/configs/devconcenter_defconfig
index 02ea339..acc9989 100644
--- a/configs/devconcenter_defconfig
+++ b/configs/devconcenter_defconfig
@@ -25,6 +25,7 @@
 CONFIG_CMD_EXT2=y
 CONFIG_CMD_FAT=y
 CONFIG_MAC_PARTITION=y
+CONFIG_ISO_PARTITION=y
 CONFIG_SYS_NS16550=y
 CONFIG_USB=y
 CONFIG_USB_STORAGE=y
diff --git a/configs/devkit8000_defconfig b/configs/devkit8000_defconfig
index bcdc272..a45bd99 100644
--- a/configs/devkit8000_defconfig
+++ b/configs/devkit8000_defconfig
@@ -18,6 +18,7 @@
 CONFIG_CMD_PING=y
 CONFIG_CMD_EXT2=y
 CONFIG_CMD_FAT=y
+CONFIG_ISO_PARTITION=y
 CONFIG_MMC_OMAP_HS=y
 CONFIG_SYS_NS16550=y
 CONFIG_OF_LIBFDT=y
diff --git a/configs/dfi-bt700-q7x-151_defconfig b/configs/dfi-bt700-q7x-151_defconfig
index 0a96e1c..a4e1993 100644
--- a/configs/dfi-bt700-q7x-151_defconfig
+++ b/configs/dfi-bt700-q7x-151_defconfig
@@ -38,6 +38,7 @@
 CONFIG_CMD_FAT=y
 CONFIG_CMD_FS_GENERIC=y
 CONFIG_MAC_PARTITION=y
+CONFIG_ISO_PARTITION=y
 CONFIG_OF_CONTROL=y
 CONFIG_REGMAP=y
 CONFIG_SYSCON=y
diff --git a/configs/difrnce_dit4350_defconfig b/configs/difrnce_dit4350_defconfig
index 8c12251..772f951 100644
--- a/configs/difrnce_dit4350_defconfig
+++ b/configs/difrnce_dit4350_defconfig
@@ -21,4 +21,5 @@
 # CONFIG_CMD_FLASH is not set
 # CONFIG_CMD_FPGA is not set
 # CONFIG_SPL_DOS_PARTITION is not set
+# CONFIG_SPL_ISO_PARTITION is not set
 CONFIG_USB_MUSB_HOST=y
diff --git a/configs/dns325_defconfig b/configs/dns325_defconfig
index 3a31a66..8b7bf9a 100644
--- a/configs/dns325_defconfig
+++ b/configs/dns325_defconfig
@@ -17,6 +17,7 @@
 CONFIG_CMD_EXT2=y
 CONFIG_CMD_FAT=y
 CONFIG_CMD_UBI=y
+CONFIG_ISO_PARTITION=y
 CONFIG_SYS_NS16550=y
 CONFIG_USB=y
 CONFIG_USB_STORAGE=y
diff --git a/configs/dockstar_defconfig b/configs/dockstar_defconfig
index 2b13f00..0e2e18c 100644
--- a/configs/dockstar_defconfig
+++ b/configs/dockstar_defconfig
@@ -16,6 +16,7 @@
 CONFIG_CMD_EXT2=y
 CONFIG_CMD_FAT=y
 CONFIG_CMD_UBI=y
+CONFIG_ISO_PARTITION=y
 CONFIG_SYS_NS16550=y
 CONFIG_USB=y
 CONFIG_USB_STORAGE=y
diff --git a/configs/dra7xx_evm_defconfig b/configs/dra7xx_evm_defconfig
index 1836021..72fea53 100644
--- a/configs/dra7xx_evm_defconfig
+++ b/configs/dra7xx_evm_defconfig
@@ -48,6 +48,7 @@
 CONFIG_CMD_EXT4_WRITE=y
 CONFIG_CMD_FAT=y
 CONFIG_CMD_FS_GENERIC=y
+CONFIG_ISO_PARTITION=y
 CONFIG_OF_CONTROL=y
 CONFIG_OF_LIST="dra7-evm dra72-evm dra72-evm-revc dra71-evm"
 CONFIG_DM=y
diff --git a/configs/dra7xx_hs_evm_defconfig b/configs/dra7xx_hs_evm_defconfig
index 1d107e4..443a63d 100644
--- a/configs/dra7xx_hs_evm_defconfig
+++ b/configs/dra7xx_hs_evm_defconfig
@@ -53,6 +53,7 @@
 CONFIG_CMD_EXT4_WRITE=y
 CONFIG_CMD_FAT=y
 CONFIG_CMD_FS_GENERIC=y
+CONFIG_ISO_PARTITION=y
 CONFIG_OF_CONTROL=y
 CONFIG_OF_LIST="dra7-evm dra72-evm dra72-evm-revc dra71-evm"
 CONFIG_DM=y
diff --git a/configs/dreamplug_defconfig b/configs/dreamplug_defconfig
index cb15755..23034f2 100644
--- a/configs/dreamplug_defconfig
+++ b/configs/dreamplug_defconfig
@@ -17,6 +17,7 @@
 CONFIG_CMD_EXT2=y
 CONFIG_CMD_EXT4=y
 CONFIG_CMD_FAT=y
+CONFIG_ISO_PARTITION=y
 CONFIG_SPI_FLASH=y
 CONFIG_SPI_FLASH_MACRONIX=y
 CONFIG_SYS_NS16550=y
diff --git a/configs/ds109_defconfig b/configs/ds109_defconfig
index eea8906..b5ecc12 100644
--- a/configs/ds109_defconfig
+++ b/configs/ds109_defconfig
@@ -12,6 +12,7 @@
 CONFIG_CMD_DHCP=y
 CONFIG_CMD_PING=y
 CONFIG_DOS_PARTITION=y
+CONFIG_ISO_PARTITION=y
 CONFIG_SPI_FLASH=y
 CONFIG_SPI_FLASH_BAR=y
 CONFIG_SPI_FLASH_STMICRO=y
diff --git a/configs/ds414_defconfig b/configs/ds414_defconfig
index 502d6f8..82f91f4 100644
--- a/configs/ds414_defconfig
+++ b/configs/ds414_defconfig
@@ -28,6 +28,7 @@
 CONFIG_CMD_EXT2=y
 CONFIG_CMD_FAT=y
 CONFIG_CMD_UBI=y
+CONFIG_ISO_PARTITION=y
 CONFIG_SPL_OF_TRANSLATE=y
 CONFIG_SPI_FLASH=y
 CONFIG_SPI_FLASH_BAR=y
diff --git a/configs/dserve_dsrv9703c_defconfig b/configs/dserve_dsrv9703c_defconfig
index 3bdff7d..16ee8b0 100644
--- a/configs/dserve_dsrv9703c_defconfig
+++ b/configs/dserve_dsrv9703c_defconfig
@@ -19,4 +19,5 @@
 # CONFIG_CMD_FLASH is not set
 # CONFIG_CMD_FPGA is not set
 # CONFIG_SPL_DOS_PARTITION is not set
+# CONFIG_SPL_ISO_PARTITION is not set
 CONFIG_USB_MUSB_HOST=y
diff --git a/configs/edminiv2_defconfig b/configs/edminiv2_defconfig
index 756fbb1..5153059 100644
--- a/configs/edminiv2_defconfig
+++ b/configs/edminiv2_defconfig
@@ -17,6 +17,7 @@
 CONFIG_CMD_USB=y
 # CONFIG_CMD_SETEXPR is not set
 CONFIG_CMD_EXT2=y
+CONFIG_ISO_PARTITION=y
 CONFIG_SYS_NS16550=y
 CONFIG_USB=y
 CONFIG_USB_STORAGE=y
diff --git a/configs/efi-x86_defconfig b/configs/efi-x86_defconfig
index 5769b43..ba80b37 100644
--- a/configs/efi-x86_defconfig
+++ b/configs/efi-x86_defconfig
@@ -24,6 +24,7 @@
 CONFIG_CMD_FAT=y
 CONFIG_CMD_FS_GENERIC=y
 CONFIG_MAC_PARTITION=y
+CONFIG_ISO_PARTITION=y
 CONFIG_OF_CONTROL=y
 CONFIG_OF_EMBED=y
 CONFIG_DM_PCI=y
diff --git a/configs/evb-rk3036_defconfig b/configs/evb-rk3036_defconfig
index 5548427..cf050e0 100644
--- a/configs/evb-rk3036_defconfig
+++ b/configs/evb-rk3036_defconfig
@@ -15,6 +15,8 @@
 CONFIG_CMD_CACHE=y
 CONFIG_CMD_TIME=y
 # CONFIG_SPL_DOS_PARTITION is not set
+CONFIG_ISO_PARTITION=y
+# CONFIG_SPL_ISO_PARTITION is not set
 CONFIG_REGMAP=y
 CONFIG_SYSCON=y
 CONFIG_CLK=y
diff --git a/configs/evb-rk3288_defconfig b/configs/evb-rk3288_defconfig
index 77adf3e..fcb00e5 100644
--- a/configs/evb-rk3288_defconfig
+++ b/configs/evb-rk3288_defconfig
@@ -23,6 +23,8 @@
 CONFIG_CMD_PMIC=y
 CONFIG_CMD_REGULATOR=y
 # CONFIG_SPL_DOS_PARTITION is not set
+CONFIG_ISO_PARTITION=y
+# CONFIG_SPL_ISO_PARTITION is not set
 CONFIG_SPL_OF_CONTROL=y
 CONFIG_OF_SPL_REMOVE_PROPS="pinctrl-0 pinctrl-names clock-names interrupt-parent assigned-clocks assigned-clock-rates assigned-clock-parents"
 CONFIG_REGMAP=y
diff --git a/configs/evb-rk3399_defconfig b/configs/evb-rk3399_defconfig
index 02d91a7..a1cf22e 100644
--- a/configs/evb-rk3399_defconfig
+++ b/configs/evb-rk3399_defconfig
@@ -19,6 +19,7 @@
 CONFIG_CMD_EXT4=y
 CONFIG_CMD_FAT=y
 CONFIG_CMD_FS_GENERIC=y
+CONFIG_ISO_PARTITION=y
 CONFIG_REGMAP=y
 CONFIG_SYSCON=y
 CONFIG_CLK=y
diff --git a/configs/fennec-rk3288_defconfig b/configs/fennec-rk3288_defconfig
index 6413e0a..7d4c611 100644
--- a/configs/fennec-rk3288_defconfig
+++ b/configs/fennec-rk3288_defconfig
@@ -23,6 +23,8 @@
 CONFIG_CMD_PMIC=y
 CONFIG_CMD_REGULATOR=y
 # CONFIG_SPL_DOS_PARTITION is not set
+CONFIG_ISO_PARTITION=y
+# CONFIG_SPL_ISO_PARTITION is not set
 CONFIG_SPL_OF_CONTROL=y
 CONFIG_OF_SPL_REMOVE_PROPS="pinctrl-0 pinctrl-names clock-names interrupt-parent assigned-clocks assigned-clock-rates assigned-clock-parents"
 CONFIG_REGMAP=y
diff --git a/configs/firefly-rk3288_defconfig b/configs/firefly-rk3288_defconfig
index d3efe6e..8e3fdb4 100644
--- a/configs/firefly-rk3288_defconfig
+++ b/configs/firefly-rk3288_defconfig
@@ -21,6 +21,8 @@
 CONFIG_CMD_PMIC=y
 CONFIG_CMD_REGULATOR=y
 # CONFIG_SPL_DOS_PARTITION is not set
+CONFIG_ISO_PARTITION=y
+# CONFIG_SPL_ISO_PARTITION is not set
 CONFIG_SPL_OF_CONTROL=y
 CONFIG_OF_SPL_REMOVE_PROPS="pinctrl-0 pinctrl-names clock-names interrupt-parent assigned-clocks assigned-clock-rates assigned-clock-parents"
 CONFIG_SPL_OF_PLATDATA=y
diff --git a/configs/fo300_defconfig b/configs/fo300_defconfig
index cf71641..df18ea2 100644
--- a/configs/fo300_defconfig
+++ b/configs/fo300_defconfig
@@ -23,6 +23,7 @@
 CONFIG_CMD_EXT2=y
 CONFIG_CMD_FAT=y
 CONFIG_MAC_PARTITION=y
+CONFIG_ISO_PARTITION=y
 # CONFIG_PCI is not set
 CONFIG_USB=y
 CONFIG_USB_STORAGE=y
diff --git a/configs/ga10h_v1_1_defconfig b/configs/ga10h_v1_1_defconfig
index 3b5fa55..dcdfe2e 100644
--- a/configs/ga10h_v1_1_defconfig
+++ b/configs/ga10h_v1_1_defconfig
@@ -22,6 +22,7 @@
 # CONFIG_CMD_FLASH is not set
 # CONFIG_CMD_FPGA is not set
 # CONFIG_SPL_DOS_PARTITION is not set
+# CONFIG_SPL_ISO_PARTITION is not set
 CONFIG_AXP_DLDO1_VOLT=3300
 CONFIG_USB_EHCI_HCD=y
 CONFIG_USB_MUSB_HOST=y
diff --git a/configs/galileo_defconfig b/configs/galileo_defconfig
index b2ec5d1..ee480af 100644
--- a/configs/galileo_defconfig
+++ b/configs/galileo_defconfig
@@ -34,6 +34,7 @@
 CONFIG_CMD_FAT=y
 CONFIG_CMD_FS_GENERIC=y
 CONFIG_MAC_PARTITION=y
+CONFIG_ISO_PARTITION=y
 CONFIG_OF_CONTROL=y
 CONFIG_NET_RANDOM_ETHADDR=y
 CONFIG_REGMAP=y
diff --git a/configs/glacier_defconfig b/configs/glacier_defconfig
index 1ded6e6..54c7632 100644
--- a/configs/glacier_defconfig
+++ b/configs/glacier_defconfig
@@ -21,6 +21,7 @@
 CONFIG_CMD_CACHE=y
 CONFIG_MAC_PARTITION=y
 CONFIG_DOS_PARTITION=y
+CONFIG_ISO_PARTITION=y
 CONFIG_OF_CONTROL=y
 CONFIG_OF_EMBED=y
 CONFIG_SYS_NS16550=y
diff --git a/configs/glacier_ramboot_defconfig b/configs/glacier_ramboot_defconfig
index 7563b44..ab7f6f0 100644
--- a/configs/glacier_ramboot_defconfig
+++ b/configs/glacier_ramboot_defconfig
@@ -22,6 +22,7 @@
 CONFIG_CMD_CACHE=y
 CONFIG_MAC_PARTITION=y
 CONFIG_DOS_PARTITION=y
+CONFIG_ISO_PARTITION=y
 CONFIG_OF_CONTROL=y
 CONFIG_OF_EMBED=y
 CONFIG_SYS_NS16550=y
diff --git a/configs/goflexhome_defconfig b/configs/goflexhome_defconfig
index 57a4c78..240c859 100644
--- a/configs/goflexhome_defconfig
+++ b/configs/goflexhome_defconfig
@@ -18,6 +18,7 @@
 CONFIG_CMD_EXT4=y
 CONFIG_CMD_FAT=y
 CONFIG_CMD_UBI=y
+CONFIG_ISO_PARTITION=y
 CONFIG_SYS_NS16550=y
 CONFIG_USB=y
 CONFIG_USB_STORAGE=y
diff --git a/configs/gplugd_defconfig b/configs/gplugd_defconfig
index e8dda5d..6c7ea27 100644
--- a/configs/gplugd_defconfig
+++ b/configs/gplugd_defconfig
@@ -16,6 +16,7 @@
 CONFIG_CMD_PING=y
 CONFIG_CMD_EXT2=y
 CONFIG_CMD_FAT=y
+CONFIG_ISO_PARTITION=y
 CONFIG_SYS_NS16550=y
 CONFIG_USB=y
 CONFIG_USB_STORAGE=y
diff --git a/configs/gt90h_v4_defconfig b/configs/gt90h_v4_defconfig
index 0f2c0ed..0e979c4 100644
--- a/configs/gt90h_v4_defconfig
+++ b/configs/gt90h_v4_defconfig
@@ -21,5 +21,6 @@
 # CONFIG_CMD_FLASH is not set
 # CONFIG_CMD_FPGA is not set
 # CONFIG_SPL_DOS_PARTITION is not set
+# CONFIG_SPL_ISO_PARTITION is not set
 CONFIG_AXP_DLDO1_VOLT=3300
 CONFIG_USB_MUSB_HOST=y
diff --git a/configs/guruplug_defconfig b/configs/guruplug_defconfig
index 73a1213..0d7d67e 100644
--- a/configs/guruplug_defconfig
+++ b/configs/guruplug_defconfig
@@ -19,6 +19,7 @@
 CONFIG_CMD_EXT4=y
 CONFIG_CMD_FAT=y
 CONFIG_CMD_UBI=y
+CONFIG_ISO_PARTITION=y
 CONFIG_SYS_NS16550=y
 CONFIG_USB=y
 CONFIG_USB_STORAGE=y
diff --git a/configs/h8_homlet_v2_defconfig b/configs/h8_homlet_v2_defconfig
index d09fad0..3cdb5f7 100644
--- a/configs/h8_homlet_v2_defconfig
+++ b/configs/h8_homlet_v2_defconfig
@@ -15,6 +15,7 @@
 # CONFIG_CMD_FLASH is not set
 # CONFIG_CMD_FPGA is not set
 # CONFIG_SPL_DOS_PARTITION is not set
+# CONFIG_SPL_ISO_PARTITION is not set
 CONFIG_AXP_DLDO4_VOLT=3300
 CONFIG_USB_EHCI_HCD=y
 CONFIG_USB_MUSB_HOST=y
diff --git a/configs/harmony_defconfig b/configs/harmony_defconfig
index 6690fd8..5939d18 100644
--- a/configs/harmony_defconfig
+++ b/configs/harmony_defconfig
@@ -19,6 +19,7 @@
 CONFIG_CMD_REGULATOR=y
 CONFIG_CMD_EXT4_WRITE=y
 # CONFIG_SPL_DOS_PARTITION is not set
+# CONFIG_SPL_ISO_PARTITION is not set
 CONFIG_SPL_DM=y
 # CONFIG_BLK is not set
 # CONFIG_DM_MMC_OPS is not set
diff --git a/configs/highbank_defconfig b/configs/highbank_defconfig
index b1c8afd..8fd74ef 100644
--- a/configs/highbank_defconfig
+++ b/configs/highbank_defconfig
@@ -20,4 +20,5 @@
 CONFIG_CMD_EXT4=y
 CONFIG_CMD_FAT=y
 CONFIG_CMD_FS_GENERIC=y
+CONFIG_ISO_PARTITION=y
 CONFIG_OF_LIBFDT=y
diff --git a/configs/i12-tvbox_defconfig b/configs/i12-tvbox_defconfig
index b84ade7..338d715 100644
--- a/configs/i12-tvbox_defconfig
+++ b/configs/i12-tvbox_defconfig
@@ -12,5 +12,6 @@
 # CONFIG_CMD_FLASH is not set
 # CONFIG_CMD_FPGA is not set
 # CONFIG_SPL_DOS_PARTITION is not set
+# CONFIG_SPL_ISO_PARTITION is not set
 CONFIG_ETH_DESIGNWARE=y
 CONFIG_USB_EHCI_HCD=y
diff --git a/configs/iNet_3F_defconfig b/configs/iNet_3F_defconfig
index bacd5ac..99a602f 100644
--- a/configs/iNet_3F_defconfig
+++ b/configs/iNet_3F_defconfig
@@ -19,4 +19,5 @@
 # CONFIG_CMD_FLASH is not set
 # CONFIG_CMD_FPGA is not set
 # CONFIG_SPL_DOS_PARTITION is not set
+# CONFIG_SPL_ISO_PARTITION is not set
 CONFIG_USB_MUSB_HOST=y
diff --git a/configs/iNet_3W_defconfig b/configs/iNet_3W_defconfig
index f0d03e9..840e65c 100644
--- a/configs/iNet_3W_defconfig
+++ b/configs/iNet_3W_defconfig
@@ -19,4 +19,5 @@
 # CONFIG_CMD_FLASH is not set
 # CONFIG_CMD_FPGA is not set
 # CONFIG_SPL_DOS_PARTITION is not set
+# CONFIG_SPL_ISO_PARTITION is not set
 CONFIG_USB_MUSB_HOST=y
diff --git a/configs/iNet_86VS_defconfig b/configs/iNet_86VS_defconfig
index 33978d5..c4d1e93 100644
--- a/configs/iNet_86VS_defconfig
+++ b/configs/iNet_86VS_defconfig
@@ -18,4 +18,5 @@
 # CONFIG_CMD_FLASH is not set
 # CONFIG_CMD_FPGA is not set
 # CONFIG_SPL_DOS_PARTITION is not set
+# CONFIG_SPL_ISO_PARTITION is not set
 CONFIG_USB_MUSB_HOST=y
diff --git a/configs/iNet_D978_rev2_defconfig b/configs/iNet_D978_rev2_defconfig
index 8957b5a..4c8b1da 100644
--- a/configs/iNet_D978_rev2_defconfig
+++ b/configs/iNet_D978_rev2_defconfig
@@ -22,6 +22,7 @@
 # CONFIG_CMD_FLASH is not set
 # CONFIG_CMD_FPGA is not set
 # CONFIG_SPL_DOS_PARTITION is not set
+# CONFIG_SPL_ISO_PARTITION is not set
 CONFIG_AXP_DLDO1_VOLT=3300
 # CONFIG_REQUIRE_SERIAL_CONSOLE is not set
 CONFIG_USB_MUSB_HOST=y
diff --git a/configs/ib62x0_defconfig b/configs/ib62x0_defconfig
index 9c95b47..38c716f9 100644
--- a/configs/ib62x0_defconfig
+++ b/configs/ib62x0_defconfig
@@ -19,6 +19,7 @@
 CONFIG_CMD_EXT2=y
 CONFIG_CMD_FAT=y
 CONFIG_CMD_UBI=y
+CONFIG_ISO_PARTITION=y
 CONFIG_SYS_NS16550=y
 CONFIG_USB=y
 CONFIG_USB_STORAGE=y
diff --git a/configs/icnova-a20-swac_defconfig b/configs/icnova-a20-swac_defconfig
index 6b2fb5a..f660280 100644
--- a/configs/icnova-a20-swac_defconfig
+++ b/configs/icnova-a20-swac_defconfig
@@ -19,5 +19,6 @@
 # CONFIG_CMD_FLASH is not set
 # CONFIG_CMD_FPGA is not set
 # CONFIG_SPL_DOS_PARTITION is not set
+# CONFIG_SPL_ISO_PARTITION is not set
 CONFIG_ETH_DESIGNWARE=y
 CONFIG_USB_EHCI_HCD=y
diff --git a/configs/iconnect_defconfig b/configs/iconnect_defconfig
index d869628..b78737c 100644
--- a/configs/iconnect_defconfig
+++ b/configs/iconnect_defconfig
@@ -15,6 +15,7 @@
 CONFIG_CMD_EXT2=y
 CONFIG_CMD_FAT=y
 CONFIG_CMD_UBI=y
+CONFIG_ISO_PARTITION=y
 CONFIG_SYS_NS16550=y
 CONFIG_USB=y
 CONFIG_USB_STORAGE=y
diff --git a/configs/igep0020_defconfig b/configs/igep0020_defconfig
index 5fc0340..f1460fd 100644
--- a/configs/igep0020_defconfig
+++ b/configs/igep0020_defconfig
@@ -33,6 +33,7 @@
 CONFIG_CMD_FAT=y
 CONFIG_CMD_FS_GENERIC=y
 CONFIG_CMD_UBI=y
+CONFIG_ISO_PARTITION=y
 CONFIG_NET_RANDOM_ETHADDR=y
 CONFIG_LED_STATUS=y
 CONFIG_LED_STATUS_GPIO=y
diff --git a/configs/imgtec_xilfpga_defconfig b/configs/imgtec_xilfpga_defconfig
index 1e57273..02969da 100644
--- a/configs/imgtec_xilfpga_defconfig
+++ b/configs/imgtec_xilfpga_defconfig
@@ -17,6 +17,7 @@
 CONFIG_CMD_MII=y
 CONFIG_CMD_PING=y
 CONFIG_CMD_TIME=y
+# CONFIG_ISO_PARTITION is not set
 CONFIG_OF_EMBED=y
 CONFIG_NET_RANDOM_ETHADDR=y
 CONFIG_NETCONSOLE=y
diff --git a/configs/inet1_defconfig b/configs/inet1_defconfig
index d9099e9..e7f5996 100644
--- a/configs/inet1_defconfig
+++ b/configs/inet1_defconfig
@@ -19,5 +19,6 @@
 # CONFIG_CMD_FLASH is not set
 # CONFIG_CMD_FPGA is not set
 # CONFIG_SPL_DOS_PARTITION is not set
+# CONFIG_SPL_ISO_PARTITION is not set
 CONFIG_USB_EHCI_HCD=y
 CONFIG_USB_MUSB_HOST=y
diff --git a/configs/inet86dz_defconfig b/configs/inet86dz_defconfig
index 0082a57..1d13c2d 100644
--- a/configs/inet86dz_defconfig
+++ b/configs/inet86dz_defconfig
@@ -21,5 +21,6 @@
 # CONFIG_CMD_FLASH is not set
 # CONFIG_CMD_FPGA is not set
 # CONFIG_SPL_DOS_PARTITION is not set
+# CONFIG_SPL_ISO_PARTITION is not set
 CONFIG_AXP_DLDO1_VOLT=3300
 CONFIG_USB_MUSB_HOST=y
diff --git a/configs/inet97fv2_defconfig b/configs/inet97fv2_defconfig
index cfac908..888cf2d 100644
--- a/configs/inet97fv2_defconfig
+++ b/configs/inet97fv2_defconfig
@@ -18,4 +18,5 @@
 # CONFIG_CMD_FLASH is not set
 # CONFIG_CMD_FPGA is not set
 # CONFIG_SPL_DOS_PARTITION is not set
+# CONFIG_SPL_ISO_PARTITION is not set
 CONFIG_USB_MUSB_HOST=y
diff --git a/configs/inet98v_rev2_defconfig b/configs/inet98v_rev2_defconfig
index a63fa4f..ca03cd6 100644
--- a/configs/inet98v_rev2_defconfig
+++ b/configs/inet98v_rev2_defconfig
@@ -21,4 +21,5 @@
 # CONFIG_CMD_FLASH is not set
 # CONFIG_CMD_FPGA is not set
 # CONFIG_SPL_DOS_PARTITION is not set
+# CONFIG_SPL_ISO_PARTITION is not set
 CONFIG_USB_MUSB_HOST=y
diff --git a/configs/inet9f_rev03_defconfig b/configs/inet9f_rev03_defconfig
index cb19fc2..63dd288 100644
--- a/configs/inet9f_rev03_defconfig
+++ b/configs/inet9f_rev03_defconfig
@@ -18,4 +18,5 @@
 # CONFIG_CMD_FLASH is not set
 # CONFIG_CMD_FPGA is not set
 # CONFIG_SPL_DOS_PARTITION is not set
+# CONFIG_SPL_ISO_PARTITION is not set
 CONFIG_USB_MUSB_HOST=y
diff --git a/configs/inet_q972_defconfig b/configs/inet_q972_defconfig
index 92c6fdc..3760202 100644
--- a/configs/inet_q972_defconfig
+++ b/configs/inet_q972_defconfig
@@ -19,6 +19,7 @@
 # CONFIG_CMD_FLASH is not set
 # CONFIG_CMD_FPGA is not set
 # CONFIG_SPL_DOS_PARTITION is not set
+# CONFIG_SPL_ISO_PARTITION is not set
 CONFIG_AXP_DLDO1_VOLT=3300
 CONFIG_USB_EHCI_HCD=y
 CONFIG_USB_MUSB_HOST=y
diff --git a/configs/inetspace_v2_defconfig b/configs/inetspace_v2_defconfig
index bbe20a1..560e07f 100644
--- a/configs/inetspace_v2_defconfig
+++ b/configs/inetspace_v2_defconfig
@@ -20,6 +20,7 @@
 CONFIG_CMD_PING=y
 CONFIG_CMD_EXT2=y
 CONFIG_CMD_FAT=y
+CONFIG_ISO_PARTITION=y
 CONFIG_SPI_FLASH=y
 CONFIG_SPI_FLASH_MACRONIX=y
 CONFIG_SYS_NS16550=y
diff --git a/configs/inka4x0_defconfig b/configs/inka4x0_defconfig
index 6fa1150..15383a2 100644
--- a/configs/inka4x0_defconfig
+++ b/configs/inka4x0_defconfig
@@ -12,5 +12,6 @@
 CONFIG_CMD_EXT2=y
 CONFIG_CMD_FAT=y
 CONFIG_MAC_PARTITION=y
+CONFIG_ISO_PARTITION=y
 CONFIG_USB=y
 CONFIG_USB_STORAGE=y
diff --git a/configs/intip_defconfig b/configs/intip_defconfig
index e8fc8d3..f254d67 100644
--- a/configs/intip_defconfig
+++ b/configs/intip_defconfig
@@ -27,6 +27,7 @@
 CONFIG_CMD_EXT2=y
 CONFIG_CMD_FAT=y
 CONFIG_MAC_PARTITION=y
+CONFIG_ISO_PARTITION=y
 CONFIG_SYS_NS16550=y
 CONFIG_USB=y
 CONFIG_USB_STORAGE=y
diff --git a/configs/jesurun_q5_defconfig b/configs/jesurun_q5_defconfig
index 198aba8..3058fe0 100644
--- a/configs/jesurun_q5_defconfig
+++ b/configs/jesurun_q5_defconfig
@@ -13,5 +13,6 @@
 # CONFIG_CMD_FLASH is not set
 # CONFIG_CMD_FPGA is not set
 # CONFIG_SPL_DOS_PARTITION is not set
+# CONFIG_SPL_ISO_PARTITION is not set
 CONFIG_USB_EHCI_HCD=y
 CONFIG_USB_MUSB_HOST=y
diff --git a/configs/jetson-tk1_defconfig b/configs/jetson-tk1_defconfig
index 69a3b88..c9e2fe2 100644
--- a/configs/jetson-tk1_defconfig
+++ b/configs/jetson-tk1_defconfig
@@ -23,6 +23,7 @@
 # CONFIG_CMD_NFS is not set
 CONFIG_CMD_EXT4_WRITE=y
 # CONFIG_SPL_DOS_PARTITION is not set
+# CONFIG_SPL_ISO_PARTITION is not set
 CONFIG_SPL_DM=y
 # CONFIG_BLK is not set
 CONFIG_DFU_MMC=y
diff --git a/configs/jupiter_defconfig b/configs/jupiter_defconfig
index c058bac..525a06e 100644
--- a/configs/jupiter_defconfig
+++ b/configs/jupiter_defconfig
@@ -9,4 +9,5 @@
 CONFIG_CMD_SNTP=y
 CONFIG_MAC_PARTITION=y
 CONFIG_DOS_PARTITION=y
+CONFIG_ISO_PARTITION=y
 # CONFIG_PCI is not set
diff --git a/configs/k2e_evm_defconfig b/configs/k2e_evm_defconfig
index ee7cc74..41dd9b3 100644
--- a/configs/k2e_evm_defconfig
+++ b/configs/k2e_evm_defconfig
@@ -36,6 +36,7 @@
 CONFIG_CMD_FAT=y
 CONFIG_CMD_FS_GENERIC=y
 CONFIG_CMD_UBI=y
+CONFIG_ISO_PARTITION=y
 CONFIG_OF_CONTROL=y
 CONFIG_NET_RANDOM_ETHADDR=y
 CONFIG_DM=y
diff --git a/configs/k2g_evm_defconfig b/configs/k2g_evm_defconfig
index 5251105..cec470e 100644
--- a/configs/k2g_evm_defconfig
+++ b/configs/k2g_evm_defconfig
@@ -35,6 +35,7 @@
 CONFIG_CMD_FAT=y
 CONFIG_CMD_FS_GENERIC=y
 CONFIG_CMD_UBI=y
+CONFIG_ISO_PARTITION=y
 CONFIG_OF_CONTROL=y
 CONFIG_DM=y
 # CONFIG_BLK is not set
diff --git a/configs/k2hk_evm_defconfig b/configs/k2hk_evm_defconfig
index fe2aacf..5b6fa5c 100644
--- a/configs/k2hk_evm_defconfig
+++ b/configs/k2hk_evm_defconfig
@@ -36,6 +36,7 @@
 CONFIG_CMD_FAT=y
 CONFIG_CMD_FS_GENERIC=y
 CONFIG_CMD_UBI=y
+CONFIG_ISO_PARTITION=y
 CONFIG_OF_CONTROL=y
 CONFIG_NET_RANDOM_ETHADDR=y
 CONFIG_DM=y
diff --git a/configs/k2l_evm_defconfig b/configs/k2l_evm_defconfig
index 4df45fd..de1597b 100644
--- a/configs/k2l_evm_defconfig
+++ b/configs/k2l_evm_defconfig
@@ -36,6 +36,7 @@
 CONFIG_CMD_FAT=y
 CONFIG_CMD_FS_GENERIC=y
 CONFIG_CMD_UBI=y
+CONFIG_ISO_PARTITION=y
 CONFIG_OF_CONTROL=y
 CONFIG_NET_RANDOM_ETHADDR=y
 CONFIG_DM=y
diff --git a/configs/kc1_defconfig b/configs/kc1_defconfig
index f7f9301..6971182 100644
--- a/configs/kc1_defconfig
+++ b/configs/kc1_defconfig
@@ -23,6 +23,7 @@
 CONFIG_CMD_EXT4=y
 CONFIG_CMD_FAT=y
 CONFIG_CMD_FS_GENERIC=y
+CONFIG_ISO_PARTITION=y
 CONFIG_MMC_OMAP_HS=y
 CONFIG_SYS_NS16550=y
 CONFIG_USB=y
diff --git a/configs/kylin-rk3036_defconfig b/configs/kylin-rk3036_defconfig
index c53e422..6111e81 100644
--- a/configs/kylin-rk3036_defconfig
+++ b/configs/kylin-rk3036_defconfig
@@ -16,6 +16,8 @@
 CONFIG_CMD_CACHE=y
 CONFIG_CMD_TIME=y
 # CONFIG_SPL_DOS_PARTITION is not set
+CONFIG_ISO_PARTITION=y
+# CONFIG_SPL_ISO_PARTITION is not set
 CONFIG_REGMAP=y
 CONFIG_SYSCON=y
 CONFIG_CLK=y
diff --git a/configs/ls2080a_emu_defconfig b/configs/ls2080a_emu_defconfig
index e47f4e4..3b56ec0 100644
--- a/configs/ls2080a_emu_defconfig
+++ b/configs/ls2080a_emu_defconfig
@@ -24,6 +24,7 @@
 CONFIG_CMD_CACHE=y
 # CONFIG_CMD_MISC is not set
 # CONFIG_DOS_PARTITION is not set
+# CONFIG_ISO_PARTITION is not set
 CONFIG_SYS_NS16550=y
 CONFIG_OF_LIBFDT=y
 CONFIG_EFI_LOADER_BOUNCE_BUFFER=y
diff --git a/configs/ls2080a_simu_defconfig b/configs/ls2080a_simu_defconfig
index 5a72bd4..38cb1af 100644
--- a/configs/ls2080a_simu_defconfig
+++ b/configs/ls2080a_simu_defconfig
@@ -23,6 +23,7 @@
 # CONFIG_CMD_NFS is not set
 CONFIG_CMD_CACHE=y
 # CONFIG_CMD_MISC is not set
+# CONFIG_ISO_PARTITION is not set
 CONFIG_NET_RANDOM_ETHADDR=y
 CONFIG_SYS_NS16550=y
 CONFIG_OF_LIBFDT=y
diff --git a/configs/ls2080aqds_SECURE_BOOT_defconfig b/configs/ls2080aqds_SECURE_BOOT_defconfig
index c741bf9..3f9f476 100644
--- a/configs/ls2080aqds_SECURE_BOOT_defconfig
+++ b/configs/ls2080aqds_SECURE_BOOT_defconfig
@@ -16,6 +16,7 @@
 CONFIG_CMD_USB=y
 # CONFIG_CMD_SETEXPR is not set
 CONFIG_CMD_CACHE=y
+# CONFIG_ISO_PARTITION is not set
 CONFIG_OF_CONTROL=y
 CONFIG_NET_RANDOM_ETHADDR=y
 CONFIG_DM=y
diff --git a/configs/ls2080aqds_defconfig b/configs/ls2080aqds_defconfig
index 97a2527..d39ecaf 100644
--- a/configs/ls2080aqds_defconfig
+++ b/configs/ls2080aqds_defconfig
@@ -15,6 +15,7 @@
 CONFIG_CMD_USB=y
 # CONFIG_CMD_SETEXPR is not set
 CONFIG_CMD_CACHE=y
+# CONFIG_ISO_PARTITION is not set
 CONFIG_OF_CONTROL=y
 CONFIG_NET_RANDOM_ETHADDR=y
 CONFIG_DM=y
diff --git a/configs/ls2080aqds_nand_defconfig b/configs/ls2080aqds_nand_defconfig
index db1642f..1b8629f 100644
--- a/configs/ls2080aqds_nand_defconfig
+++ b/configs/ls2080aqds_nand_defconfig
@@ -23,6 +23,7 @@
 CONFIG_CMD_USB=y
 # CONFIG_CMD_SETEXPR is not set
 CONFIG_CMD_CACHE=y
+# CONFIG_ISO_PARTITION is not set
 CONFIG_OF_CONTROL=y
 CONFIG_OF_EMBED=y
 CONFIG_NET_RANDOM_ETHADDR=y
diff --git a/configs/ls2080aqds_qspi_defconfig b/configs/ls2080aqds_qspi_defconfig
index 8ba3922..b914576 100644
--- a/configs/ls2080aqds_qspi_defconfig
+++ b/configs/ls2080aqds_qspi_defconfig
@@ -15,6 +15,7 @@
 CONFIG_CMD_USB=y
 # CONFIG_CMD_SETEXPR is not set
 CONFIG_CMD_CACHE=y
+# CONFIG_ISO_PARTITION is not set
 CONFIG_OF_CONTROL=y
 CONFIG_OF_EMBED=y
 CONFIG_NET_RANDOM_ETHADDR=y
diff --git a/configs/lschlv2_defconfig b/configs/lschlv2_defconfig
index b6d95e9..71fc07f 100644
--- a/configs/lschlv2_defconfig
+++ b/configs/lschlv2_defconfig
@@ -22,6 +22,7 @@
 CONFIG_CMD_EXT2=y
 CONFIG_CMD_FAT=y
 CONFIG_CMD_FS_GENERIC=y
+CONFIG_ISO_PARTITION=y
 CONFIG_NET_RANDOM_ETHADDR=y
 CONFIG_SPI_FLASH=y
 CONFIG_SPI_FLASH_STMICRO=y
diff --git a/configs/lwmon5_defconfig b/configs/lwmon5_defconfig
index 0cab98f..4584258 100644
--- a/configs/lwmon5_defconfig
+++ b/configs/lwmon5_defconfig
@@ -23,6 +23,7 @@
 CONFIG_CMD_PING=y
 CONFIG_CMD_FAT=y
 CONFIG_MAC_PARTITION=y
+CONFIG_ISO_PARTITION=y
 # CONFIG_PCI is not set
 CONFIG_SYS_NS16550=y
 CONFIG_USB=y
diff --git a/configs/malta64_defconfig b/configs/malta64_defconfig
index 440a1b4..d5e933d 100644
--- a/configs/malta64_defconfig
+++ b/configs/malta64_defconfig
@@ -13,6 +13,7 @@
 CONFIG_CMD_DHCP=y
 # CONFIG_CMD_NFS is not set
 CONFIG_CMD_PING=y
+# CONFIG_ISO_PARTITION is not set
 CONFIG_OF_EMBED=y
 CONFIG_PCI=y
 CONFIG_SYS_NS16550=y
diff --git a/configs/malta64el_defconfig b/configs/malta64el_defconfig
index cd8dc14..d7bf768 100644
--- a/configs/malta64el_defconfig
+++ b/configs/malta64el_defconfig
@@ -14,6 +14,7 @@
 CONFIG_CMD_DHCP=y
 # CONFIG_CMD_NFS is not set
 CONFIG_CMD_PING=y
+# CONFIG_ISO_PARTITION is not set
 CONFIG_OF_EMBED=y
 CONFIG_PCI=y
 CONFIG_SYS_NS16550=y
diff --git a/configs/malta_defconfig b/configs/malta_defconfig
index e848f42..8c29291 100644
--- a/configs/malta_defconfig
+++ b/configs/malta_defconfig
@@ -12,6 +12,7 @@
 CONFIG_CMD_DHCP=y
 # CONFIG_CMD_NFS is not set
 CONFIG_CMD_PING=y
+# CONFIG_ISO_PARTITION is not set
 CONFIG_OF_EMBED=y
 CONFIG_PCI=y
 CONFIG_SYS_NS16550=y
diff --git a/configs/maltael_defconfig b/configs/maltael_defconfig
index a8df759..a4a4a2b 100644
--- a/configs/maltael_defconfig
+++ b/configs/maltael_defconfig
@@ -13,6 +13,7 @@
 CONFIG_CMD_DHCP=y
 # CONFIG_CMD_NFS is not set
 CONFIG_CMD_PING=y
+# CONFIG_ISO_PARTITION is not set
 CONFIG_OF_EMBED=y
 CONFIG_PCI=y
 CONFIG_SYS_NS16550=y
diff --git a/configs/medcom-wide_defconfig b/configs/medcom-wide_defconfig
index 173fd52..6a2d779 100644
--- a/configs/medcom-wide_defconfig
+++ b/configs/medcom-wide_defconfig
@@ -20,6 +20,7 @@
 CONFIG_CMD_REGULATOR=y
 CONFIG_CMD_EXT4_WRITE=y
 # CONFIG_SPL_DOS_PARTITION is not set
+# CONFIG_SPL_ISO_PARTITION is not set
 CONFIG_SPL_DM=y
 # CONFIG_BLK is not set
 # CONFIG_DM_MMC_OPS is not set
diff --git a/configs/miniarm-rk3288_defconfig b/configs/miniarm-rk3288_defconfig
index e2d3196..6ff61ea 100644
--- a/configs/miniarm-rk3288_defconfig
+++ b/configs/miniarm-rk3288_defconfig
@@ -23,6 +23,8 @@
 CONFIG_CMD_PMIC=y
 CONFIG_CMD_REGULATOR=y
 # CONFIG_SPL_DOS_PARTITION is not set
+CONFIG_ISO_PARTITION=y
+# CONFIG_SPL_ISO_PARTITION is not set
 CONFIG_SPL_OF_CONTROL=y
 CONFIG_OF_SPL_REMOVE_PROPS="pinctrl-0 pinctrl-names clock-names interrupt-parent assigned-clocks assigned-clock-rates assigned-clock-parents"
 CONFIG_REGMAP=y
diff --git a/configs/minnowmax_defconfig b/configs/minnowmax_defconfig
index 58598f8..49873b6 100644
--- a/configs/minnowmax_defconfig
+++ b/configs/minnowmax_defconfig
@@ -40,6 +40,7 @@
 CONFIG_CMD_FAT=y
 CONFIG_CMD_FS_GENERIC=y
 CONFIG_MAC_PARTITION=y
+CONFIG_ISO_PARTITION=y
 CONFIG_OF_CONTROL=y
 CONFIG_REGMAP=y
 CONFIG_SYSCON=y
diff --git a/configs/mixtile_loftq_defconfig b/configs/mixtile_loftq_defconfig
index b321462..96377d9 100644
--- a/configs/mixtile_loftq_defconfig
+++ b/configs/mixtile_loftq_defconfig
@@ -13,6 +13,7 @@
 # CONFIG_CMD_FLASH is not set
 # CONFIG_CMD_FPGA is not set
 # CONFIG_SPL_DOS_PARTITION is not set
+# CONFIG_SPL_ISO_PARTITION is not set
 CONFIG_ETH_DESIGNWARE=y
 CONFIG_AXP_ALDO1_VOLT=3300
 CONFIG_USB_EHCI_HCD=y
diff --git a/configs/mk802_a10s_defconfig b/configs/mk802_a10s_defconfig
index def90dd..4c49dda 100644
--- a/configs/mk802_a10s_defconfig
+++ b/configs/mk802_a10s_defconfig
@@ -12,5 +12,6 @@
 # CONFIG_CMD_FLASH is not set
 # CONFIG_CMD_FPGA is not set
 # CONFIG_SPL_DOS_PARTITION is not set
+# CONFIG_SPL_ISO_PARTITION is not set
 CONFIG_AXP152_POWER=y
 CONFIG_USB_EHCI_HCD=y
diff --git a/configs/mk802_defconfig b/configs/mk802_defconfig
index bf37d9b..84a7a20 100644
--- a/configs/mk802_defconfig
+++ b/configs/mk802_defconfig
@@ -10,5 +10,6 @@
 # CONFIG_CMD_FLASH is not set
 # CONFIG_CMD_FPGA is not set
 # CONFIG_SPL_DOS_PARTITION is not set
+# CONFIG_SPL_ISO_PARTITION is not set
 CONFIG_SUNXI_NO_PMIC=y
 CONFIG_USB_EHCI_HCD=y
diff --git a/configs/mk802ii_defconfig b/configs/mk802ii_defconfig
index 3988e4e..685a549 100644
--- a/configs/mk802ii_defconfig
+++ b/configs/mk802ii_defconfig
@@ -9,4 +9,5 @@
 # CONFIG_CMD_FLASH is not set
 # CONFIG_CMD_FPGA is not set
 # CONFIG_SPL_DOS_PARTITION is not set
+# CONFIG_SPL_ISO_PARTITION is not set
 CONFIG_USB_EHCI_HCD=y
diff --git a/configs/mpc5121ads_defconfig b/configs/mpc5121ads_defconfig
index 9899575..06bd9a3 100644
--- a/configs/mpc5121ads_defconfig
+++ b/configs/mpc5121ads_defconfig
@@ -16,6 +16,7 @@
 CONFIG_CMD_EXT2=y
 CONFIG_CMD_FAT=y
 CONFIG_MAC_PARTITION=y
+CONFIG_ISO_PARTITION=y
 CONFIG_USB=y
 CONFIG_USB_STORAGE=y
 CONFIG_OF_LIBFDT=y
diff --git a/configs/mpc5121ads_rev2_defconfig b/configs/mpc5121ads_rev2_defconfig
index 3d9e8a6..dd65b00 100644
--- a/configs/mpc5121ads_rev2_defconfig
+++ b/configs/mpc5121ads_rev2_defconfig
@@ -17,6 +17,7 @@
 CONFIG_CMD_EXT2=y
 CONFIG_CMD_FAT=y
 CONFIG_MAC_PARTITION=y
+CONFIG_ISO_PARTITION=y
 # CONFIG_PCI is not set
 CONFIG_USB=y
 CONFIG_USB_STORAGE=y
diff --git a/configs/mvebu_db-88f3720_defconfig b/configs/mvebu_db-88f3720_defconfig
index 2e9ca41..db06b11 100644
--- a/configs/mvebu_db-88f3720_defconfig
+++ b/configs/mvebu_db-88f3720_defconfig
@@ -30,6 +30,7 @@
 CONFIG_CMD_FAT=y
 CONFIG_CMD_FS_GENERIC=y
 CONFIG_MAC_PARTITION=y
+CONFIG_ISO_PARTITION=y
 CONFIG_BLOCK_CACHE=y
 CONFIG_DM_I2C=y
 CONFIG_DM_I2C_COMPAT=y
diff --git a/configs/mvebu_db-88f7040_defconfig b/configs/mvebu_db-88f7040_defconfig
index b8c6e61..9fe2bd1 100644
--- a/configs/mvebu_db-88f7040_defconfig
+++ b/configs/mvebu_db-88f7040_defconfig
@@ -33,6 +33,7 @@
 CONFIG_CMD_FAT=y
 CONFIG_CMD_FS_GENERIC=y
 CONFIG_MAC_PARTITION=y
+CONFIG_ISO_PARTITION=y
 CONFIG_BLOCK_CACHE=y
 CONFIG_DM_I2C=y
 CONFIG_SYS_I2C_MVTWSI=y
diff --git a/configs/mvebu_db-88f8040_defconfig b/configs/mvebu_db-88f8040_defconfig
index 75d5121..2b11991 100644
--- a/configs/mvebu_db-88f8040_defconfig
+++ b/configs/mvebu_db-88f8040_defconfig
@@ -33,6 +33,7 @@
 CONFIG_CMD_FAT=y
 CONFIG_CMD_FS_GENERIC=y
 CONFIG_MAC_PARTITION=y
+CONFIG_ISO_PARTITION=y
 CONFIG_BLOCK_CACHE=y
 CONFIG_DM_I2C=y
 CONFIG_SYS_I2C_MVTWSI=y
diff --git a/configs/nanopi_neo_defconfig b/configs/nanopi_neo_defconfig
index 11d599d..162fb90 100644
--- a/configs/nanopi_neo_defconfig
+++ b/configs/nanopi_neo_defconfig
@@ -12,5 +12,6 @@
 # CONFIG_CMD_FLASH is not set
 # CONFIG_CMD_FPGA is not set
 # CONFIG_SPL_DOS_PARTITION is not set
+# CONFIG_SPL_ISO_PARTITION is not set
 CONFIG_SUN8I_EMAC=y
 CONFIG_USB_EHCI_HCD=y
diff --git a/configs/nas220_defconfig b/configs/nas220_defconfig
index 9d42a03..75034d1 100644
--- a/configs/nas220_defconfig
+++ b/configs/nas220_defconfig
@@ -18,6 +18,7 @@
 CONFIG_CMD_EXT4=y
 CONFIG_CMD_FAT=y
 CONFIG_CMD_UBI=y
+CONFIG_ISO_PARTITION=y
 CONFIG_SYS_NS16550=y
 CONFIG_USB=y
 CONFIG_USB_STORAGE=y
diff --git a/configs/net2big_v2_defconfig b/configs/net2big_v2_defconfig
index 0fb0cde..77d537d 100644
--- a/configs/net2big_v2_defconfig
+++ b/configs/net2big_v2_defconfig
@@ -20,6 +20,7 @@
 CONFIG_CMD_PING=y
 CONFIG_CMD_EXT2=y
 CONFIG_CMD_FAT=y
+CONFIG_ISO_PARTITION=y
 CONFIG_SPI_FLASH=y
 CONFIG_SPI_FLASH_MACRONIX=y
 CONFIG_SYS_NS16550=y
diff --git a/configs/netspace_lite_v2_defconfig b/configs/netspace_lite_v2_defconfig
index 72f761a..ea4fe9c 100644
--- a/configs/netspace_lite_v2_defconfig
+++ b/configs/netspace_lite_v2_defconfig
@@ -20,6 +20,7 @@
 CONFIG_CMD_PING=y
 CONFIG_CMD_EXT2=y
 CONFIG_CMD_FAT=y
+CONFIG_ISO_PARTITION=y
 CONFIG_SPI_FLASH=y
 CONFIG_SPI_FLASH_MACRONIX=y
 CONFIG_SYS_NS16550=y
diff --git a/configs/netspace_max_v2_defconfig b/configs/netspace_max_v2_defconfig
index 3eb1188..7779f2b 100644
--- a/configs/netspace_max_v2_defconfig
+++ b/configs/netspace_max_v2_defconfig
@@ -20,6 +20,7 @@
 CONFIG_CMD_PING=y
 CONFIG_CMD_EXT2=y
 CONFIG_CMD_FAT=y
+CONFIG_ISO_PARTITION=y
 CONFIG_SPI_FLASH=y
 CONFIG_SPI_FLASH_MACRONIX=y
 CONFIG_SYS_NS16550=y
diff --git a/configs/netspace_v2_defconfig b/configs/netspace_v2_defconfig
index 5b5954b..a5ebb83 100644
--- a/configs/netspace_v2_defconfig
+++ b/configs/netspace_v2_defconfig
@@ -20,6 +20,7 @@
 CONFIG_CMD_PING=y
 CONFIG_CMD_EXT2=y
 CONFIG_CMD_FAT=y
+CONFIG_ISO_PARTITION=y
 CONFIG_SPI_FLASH=y
 CONFIG_SPI_FLASH_MACRONIX=y
 CONFIG_SYS_NS16550=y
diff --git a/configs/nsa310s_defconfig b/configs/nsa310s_defconfig
index 7233354..9d6fd58 100644
--- a/configs/nsa310s_defconfig
+++ b/configs/nsa310s_defconfig
@@ -18,6 +18,7 @@
 CONFIG_CMD_EXT2=y
 CONFIG_CMD_FAT=y
 CONFIG_CMD_UBI=y
+CONFIG_ISO_PARTITION=y
 CONFIG_SYS_NS16550=y
 CONFIG_USB=y
 CONFIG_USB_STORAGE=y
diff --git a/configs/nyan-big_defconfig b/configs/nyan-big_defconfig
index b2a4add..03a752a 100644
--- a/configs/nyan-big_defconfig
+++ b/configs/nyan-big_defconfig
@@ -28,6 +28,7 @@
 CONFIG_CMD_TPM_TEST=y
 CONFIG_CMD_EXT4_WRITE=y
 # CONFIG_SPL_DOS_PARTITION is not set
+# CONFIG_SPL_ISO_PARTITION is not set
 CONFIG_SPL_DM=y
 # CONFIG_BLK is not set
 CONFIG_DFU_MMC=y
diff --git a/configs/odroid-c2_defconfig b/configs/odroid-c2_defconfig
index 321a61a..83bfcd0 100644
--- a/configs/odroid-c2_defconfig
+++ b/configs/odroid-c2_defconfig
@@ -15,6 +15,7 @@
 # CONFIG_CMD_FPGA is not set
 # CONFIG_CMD_SETEXPR is not set
 CONFIG_DOS_PARTITION=y
+CONFIG_ISO_PARTITION=y
 CONFIG_OF_CONTROL=y
 CONFIG_NET_RANDOM_ETHADDR=y
 CONFIG_DM_ETH=y
diff --git a/configs/odroid_defconfig b/configs/odroid_defconfig
index 567ac2b..8972e86 100644
--- a/configs/odroid_defconfig
+++ b/configs/odroid_defconfig
@@ -33,6 +33,7 @@
 CONFIG_CMD_EXT4_WRITE=y
 CONFIG_CMD_FAT=y
 CONFIG_CMD_FS_GENERIC=y
+CONFIG_ISO_PARTITION=y
 CONFIG_OF_CONTROL=y
 CONFIG_DFU_MMC=y
 CONFIG_DM_I2C_COMPAT=y
diff --git a/configs/omap3_logic_defconfig b/configs/omap3_logic_defconfig
index a71ce5f..d69dafa 100644
--- a/configs/omap3_logic_defconfig
+++ b/configs/omap3_logic_defconfig
@@ -29,6 +29,7 @@
 CONFIG_CMD_FAT=y
 CONFIG_CMD_FS_GENERIC=y
 CONFIG_CMD_UBI=y
+CONFIG_ISO_PARTITION=y
 CONFIG_MMC_OMAP_HS=y
 CONFIG_SYS_NS16550=y
 CONFIG_USB=y
diff --git a/configs/omap3_overo_defconfig b/configs/omap3_overo_defconfig
index 615b3ee..c7344f8 100644
--- a/configs/omap3_overo_defconfig
+++ b/configs/omap3_overo_defconfig
@@ -31,6 +31,7 @@
 CONFIG_CMD_FAT=y
 CONFIG_CMD_FS_GENERIC=y
 CONFIG_CMD_UBI=y
+CONFIG_ISO_PARTITION=y
 CONFIG_MMC_OMAP_HS=y
 CONFIG_SYS_NS16550=y
 CONFIG_USB=y
diff --git a/configs/omap3_zoom1_defconfig b/configs/omap3_zoom1_defconfig
index e0087e4..b4c97db 100644
--- a/configs/omap3_zoom1_defconfig
+++ b/configs/omap3_zoom1_defconfig
@@ -24,6 +24,7 @@
 CONFIG_CMD_EXT4_WRITE=y
 CONFIG_CMD_FAT=y
 CONFIG_CMD_FS_GENERIC=y
+CONFIG_ISO_PARTITION=y
 CONFIG_MMC_OMAP_HS=y
 CONFIG_SYS_NS16550=y
 CONFIG_OF_LIBFDT=y
diff --git a/configs/omap5_uevm_defconfig b/configs/omap5_uevm_defconfig
index 0088c8f..cd156e8 100644
--- a/configs/omap5_uevm_defconfig
+++ b/configs/omap5_uevm_defconfig
@@ -27,6 +27,7 @@
 CONFIG_CMD_EXT4_WRITE=y
 CONFIG_CMD_FAT=y
 CONFIG_CMD_FS_GENERIC=y
+CONFIG_ISO_PARTITION=y
 CONFIG_DFU_MMC=y
 CONFIG_DFU_RAM=y
 CONFIG_MMC_OMAP_HS=y
diff --git a/configs/openrd_base_defconfig b/configs/openrd_base_defconfig
index 0168579..067ddbc 100644
--- a/configs/openrd_base_defconfig
+++ b/configs/openrd_base_defconfig
@@ -16,6 +16,7 @@
 CONFIG_CMD_EXT2=y
 CONFIG_CMD_FAT=y
 CONFIG_CMD_UBI=y
+CONFIG_ISO_PARTITION=y
 CONFIG_SYS_NS16550=y
 CONFIG_USB=y
 CONFIG_USB_STORAGE=y
diff --git a/configs/openrd_client_defconfig b/configs/openrd_client_defconfig
index 84fa149..b90ead1 100644
--- a/configs/openrd_client_defconfig
+++ b/configs/openrd_client_defconfig
@@ -16,6 +16,7 @@
 CONFIG_CMD_EXT2=y
 CONFIG_CMD_FAT=y
 CONFIG_CMD_UBI=y
+CONFIG_ISO_PARTITION=y
 CONFIG_SYS_NS16550=y
 CONFIG_USB=y
 CONFIG_USB_STORAGE=y
diff --git a/configs/openrd_ultimate_defconfig b/configs/openrd_ultimate_defconfig
index 026204d..2bc8ace 100644
--- a/configs/openrd_ultimate_defconfig
+++ b/configs/openrd_ultimate_defconfig
@@ -16,6 +16,7 @@
 CONFIG_CMD_EXT2=y
 CONFIG_CMD_FAT=y
 CONFIG_CMD_UBI=y
+CONFIG_ISO_PARTITION=y
 CONFIG_SYS_NS16550=y
 CONFIG_USB=y
 CONFIG_USB_STORAGE=y
diff --git a/configs/orangepi_2_defconfig b/configs/orangepi_2_defconfig
index aa6db80..5b52fcc 100644
--- a/configs/orangepi_2_defconfig
+++ b/configs/orangepi_2_defconfig
@@ -14,6 +14,7 @@
 # CONFIG_CMD_FLASH is not set
 # CONFIG_CMD_FPGA is not set
 # CONFIG_SPL_DOS_PARTITION is not set
+# CONFIG_SPL_ISO_PARTITION is not set
 CONFIG_SUN8I_EMAC=y
 CONFIG_SY8106A_POWER=y
 CONFIG_USB_EHCI_HCD=y
diff --git a/configs/orangepi_lite_defconfig b/configs/orangepi_lite_defconfig
index 19a6e65..26cd06d 100644
--- a/configs/orangepi_lite_defconfig
+++ b/configs/orangepi_lite_defconfig
@@ -12,4 +12,5 @@
 # CONFIG_CMD_FLASH is not set
 # CONFIG_CMD_FPGA is not set
 # CONFIG_SPL_DOS_PARTITION is not set
+# CONFIG_SPL_ISO_PARTITION is not set
 CONFIG_USB_EHCI_HCD=y
diff --git a/configs/orangepi_one_defconfig b/configs/orangepi_one_defconfig
index c17b16e..da390f2 100644
--- a/configs/orangepi_one_defconfig
+++ b/configs/orangepi_one_defconfig
@@ -12,5 +12,6 @@
 # CONFIG_CMD_FLASH is not set
 # CONFIG_CMD_FPGA is not set
 # CONFIG_SPL_DOS_PARTITION is not set
+# CONFIG_SPL_ISO_PARTITION is not set
 CONFIG_SUN8I_EMAC=y
 CONFIG_USB_EHCI_HCD=y
diff --git a/configs/orangepi_pc_defconfig b/configs/orangepi_pc_defconfig
index 9e57fa4..f7bd60b 100644
--- a/configs/orangepi_pc_defconfig
+++ b/configs/orangepi_pc_defconfig
@@ -13,6 +13,7 @@
 # CONFIG_CMD_FLASH is not set
 # CONFIG_CMD_FPGA is not set
 # CONFIG_SPL_DOS_PARTITION is not set
+# CONFIG_SPL_ISO_PARTITION is not set
 CONFIG_SUN8I_EMAC=y
 CONFIG_SY8106A_POWER=y
 CONFIG_USB_EHCI_HCD=y
diff --git a/configs/orangepi_pc_plus_defconfig b/configs/orangepi_pc_plus_defconfig
index e19fdef..cee8085 100644
--- a/configs/orangepi_pc_plus_defconfig
+++ b/configs/orangepi_pc_plus_defconfig
@@ -14,6 +14,7 @@
 # CONFIG_CMD_FLASH is not set
 # CONFIG_CMD_FPGA is not set
 # CONFIG_SPL_DOS_PARTITION is not set
+# CONFIG_SPL_ISO_PARTITION is not set
 CONFIG_SUN8I_EMAC=y
 CONFIG_SY8106A_POWER=y
 CONFIG_USB_EHCI_HCD=y
diff --git a/configs/orangepi_plus2e_defconfig b/configs/orangepi_plus2e_defconfig
index 0d2ec52..8625db0 100644
--- a/configs/orangepi_plus2e_defconfig
+++ b/configs/orangepi_plus2e_defconfig
@@ -15,6 +15,7 @@
 # CONFIG_CMD_FLASH is not set
 # CONFIG_CMD_FPGA is not set
 # CONFIG_SPL_DOS_PARTITION is not set
+# CONFIG_SPL_ISO_PARTITION is not set
 CONFIG_SUN8I_EMAC=y
 CONFIG_SY8106A_POWER=y
 CONFIG_USB_EHCI_HCD=y
diff --git a/configs/orangepi_plus_defconfig b/configs/orangepi_plus_defconfig
index 45564ea..da8d4bd 100644
--- a/configs/orangepi_plus_defconfig
+++ b/configs/orangepi_plus_defconfig
@@ -16,6 +16,7 @@
 # CONFIG_CMD_FLASH is not set
 # CONFIG_CMD_FPGA is not set
 # CONFIG_SPL_DOS_PARTITION is not set
+# CONFIG_SPL_ISO_PARTITION is not set
 CONFIG_SUN8I_EMAC=y
 CONFIG_SY8106A_POWER=y
 CONFIG_USB_EHCI_HCD=y
diff --git a/configs/origen_defconfig b/configs/origen_defconfig
index 1feb71c..ebb397e 100644
--- a/configs/origen_defconfig
+++ b/configs/origen_defconfig
@@ -27,6 +27,7 @@
 CONFIG_CMD_EXT4_WRITE=y
 CONFIG_CMD_FAT=y
 CONFIG_CMD_FS_GENERIC=y
+CONFIG_ISO_PARTITION=y
 CONFIG_OF_CONTROL=y
 CONFIG_DFU_MMC=y
 CONFIG_MMC_DW=y
diff --git a/configs/parrot_r16_defconfig b/configs/parrot_r16_defconfig
index 2bcad4d..616992d 100644
--- a/configs/parrot_r16_defconfig
+++ b/configs/parrot_r16_defconfig
@@ -16,6 +16,7 @@
 # CONFIG_CMD_FLASH is not set
 # CONFIG_CMD_FPGA is not set
 # CONFIG_SPL_DOS_PARTITION is not set
+# CONFIG_SPL_ISO_PARTITION is not set
 CONFIG_USB_EHCI_HCD=y
 CONFIG_USB_MUSB_GADGET=y
 CONFIG_USB_GADGET=y
diff --git a/configs/paz00_defconfig b/configs/paz00_defconfig
index 235a98d..64890e8 100644
--- a/configs/paz00_defconfig
+++ b/configs/paz00_defconfig
@@ -19,6 +19,7 @@
 CONFIG_CMD_REGULATOR=y
 CONFIG_CMD_EXT4_WRITE=y
 # CONFIG_SPL_DOS_PARTITION is not set
+# CONFIG_SPL_ISO_PARTITION is not set
 CONFIG_SPL_DM=y
 # CONFIG_BLK is not set
 # CONFIG_DM_MMC_OPS is not set
diff --git a/configs/pb1000_defconfig b/configs/pb1000_defconfig
index 5a7fa80..a84a434 100644
--- a/configs/pb1000_defconfig
+++ b/configs/pb1000_defconfig
@@ -14,3 +14,4 @@
 CONFIG_CMD_DHCP=y
 CONFIG_CMD_MII=y
 CONFIG_CMD_PING=y
+# CONFIG_ISO_PARTITION is not set
diff --git a/configs/pcm051_rev1_defconfig b/configs/pcm051_rev1_defconfig
index 10ddb2f..99026af 100644
--- a/configs/pcm051_rev1_defconfig
+++ b/configs/pcm051_rev1_defconfig
@@ -43,6 +43,7 @@
 CONFIG_CMD_EXT4_WRITE=y
 CONFIG_CMD_FAT=y
 CONFIG_CMD_FS_GENERIC=y
+CONFIG_ISO_PARTITION=y
 CONFIG_MMC_OMAP_HS=y
 CONFIG_SPI_FLASH=y
 CONFIG_SPI_FLASH_WINBOND=y
diff --git a/configs/pcm051_rev3_defconfig b/configs/pcm051_rev3_defconfig
index cce07c8..d9c2c10 100644
--- a/configs/pcm051_rev3_defconfig
+++ b/configs/pcm051_rev3_defconfig
@@ -43,6 +43,7 @@
 CONFIG_CMD_EXT4_WRITE=y
 CONFIG_CMD_FAT=y
 CONFIG_CMD_FS_GENERIC=y
+CONFIG_ISO_PARTITION=y
 CONFIG_MMC_OMAP_HS=y
 CONFIG_SPI_FLASH=y
 CONFIG_SPI_FLASH_WINBOND=y
diff --git a/configs/pcm058_defconfig b/configs/pcm058_defconfig
index 6ae0efa..638c360 100644
--- a/configs/pcm058_defconfig
+++ b/configs/pcm058_defconfig
@@ -37,6 +37,7 @@
 CONFIG_CMD_FAT=y
 CONFIG_CMD_FS_GENERIC=y
 CONFIG_CMD_UBI=y
+CONFIG_ISO_PARTITION=y
 CONFIG_DM=y
 CONFIG_MTD=y
 CONFIG_SPI_FLASH=y
diff --git a/configs/pengwyn_defconfig b/configs/pengwyn_defconfig
index 3ce8f44..e9e1e77 100644
--- a/configs/pengwyn_defconfig
+++ b/configs/pengwyn_defconfig
@@ -43,6 +43,7 @@
 CONFIG_CMD_EXT4_WRITE=y
 CONFIG_CMD_FAT=y
 CONFIG_CMD_FS_GENERIC=y
+CONFIG_ISO_PARTITION=y
 CONFIG_MMC_OMAP_HS=y
 CONFIG_SYS_NS16550=y
 CONFIG_USB=y
diff --git a/configs/pepper_defconfig b/configs/pepper_defconfig
index 77a47d3..28a3a23 100644
--- a/configs/pepper_defconfig
+++ b/configs/pepper_defconfig
@@ -34,6 +34,7 @@
 CONFIG_CMD_EXT4_WRITE=y
 CONFIG_CMD_FAT=y
 CONFIG_CMD_FS_GENERIC=y
+CONFIG_ISO_PARTITION=y
 CONFIG_MMC_OMAP_HS=y
 CONFIG_SYS_NS16550=y
 CONFIG_OF_LIBFDT=y
diff --git a/configs/pic32mzdask_defconfig b/configs/pic32mzdask_defconfig
index 852eb0a..bb6ed00 100644
--- a/configs/pic32mzdask_defconfig
+++ b/configs/pic32mzdask_defconfig
@@ -21,6 +21,7 @@
 CONFIG_CMD_RARP=y
 CONFIG_CMD_TIME=y
 CONFIG_CMD_EXT4_WRITE=y
+# CONFIG_ISO_PARTITION is not set
 CONFIG_OF_EMBED=y
 CONFIG_NET_RANDOM_ETHADDR=y
 # CONFIG_BLK is not set
diff --git a/configs/pine64_plus_defconfig b/configs/pine64_plus_defconfig
index 1080099..4a6b733 100644
--- a/configs/pine64_plus_defconfig
+++ b/configs/pine64_plus_defconfig
@@ -10,5 +10,6 @@
 # CONFIG_CMD_FLASH is not set
 # CONFIG_CMD_FPGA is not set
 # CONFIG_SPL_DOS_PARTITION is not set
+# CONFIG_SPL_ISO_PARTITION is not set
 CONFIG_SUN8I_EMAC=y
 CONFIG_USB_EHCI_HCD=y
diff --git a/configs/plutux_defconfig b/configs/plutux_defconfig
index 0b1de08..c518395 100644
--- a/configs/plutux_defconfig
+++ b/configs/plutux_defconfig
@@ -19,6 +19,7 @@
 # CONFIG_CMD_NFS is not set
 CONFIG_CMD_EXT4_WRITE=y
 # CONFIG_SPL_DOS_PARTITION is not set
+# CONFIG_SPL_ISO_PARTITION is not set
 CONFIG_SPL_DM=y
 # CONFIG_BLK is not set
 # CONFIG_DM_MMC_OPS is not set
diff --git a/configs/pogo_e02_defconfig b/configs/pogo_e02_defconfig
index b98093e..fbf4d3e 100644
--- a/configs/pogo_e02_defconfig
+++ b/configs/pogo_e02_defconfig
@@ -16,6 +16,7 @@
 CONFIG_CMD_EXT2=y
 CONFIG_CMD_FAT=y
 CONFIG_CMD_UBI=y
+CONFIG_ISO_PARTITION=y
 CONFIG_SYS_NS16550=y
 CONFIG_USB=y
 CONFIG_USB_STORAGE=y
diff --git a/configs/polaroid_mid2407pxe03_defconfig b/configs/polaroid_mid2407pxe03_defconfig
index 2bbea34..c5b023f 100644
--- a/configs/polaroid_mid2407pxe03_defconfig
+++ b/configs/polaroid_mid2407pxe03_defconfig
@@ -21,5 +21,6 @@
 # CONFIG_CMD_FLASH is not set
 # CONFIG_CMD_FPGA is not set
 # CONFIG_SPL_DOS_PARTITION is not set
+# CONFIG_SPL_ISO_PARTITION is not set
 CONFIG_AXP_DLDO1_VOLT=3300
 CONFIG_USB_MUSB_HOST=y
diff --git a/configs/polaroid_mid2809pxe04_defconfig b/configs/polaroid_mid2809pxe04_defconfig
index d4c1135..3759ef1 100644
--- a/configs/polaroid_mid2809pxe04_defconfig
+++ b/configs/polaroid_mid2809pxe04_defconfig
@@ -21,5 +21,6 @@
 # CONFIG_CMD_FLASH is not set
 # CONFIG_CMD_FPGA is not set
 # CONFIG_SPL_DOS_PARTITION is not set
+# CONFIG_SPL_ISO_PARTITION is not set
 CONFIG_AXP_DLDO1_VOLT=3300
 CONFIG_USB_MUSB_HOST=y
diff --git a/configs/popmetal-rk3288_defconfig b/configs/popmetal-rk3288_defconfig
index ee108f3..4a63e7a 100644
--- a/configs/popmetal-rk3288_defconfig
+++ b/configs/popmetal-rk3288_defconfig
@@ -24,6 +24,8 @@
 CONFIG_CMD_PMIC=y
 CONFIG_CMD_REGULATOR=y
 # CONFIG_SPL_DOS_PARTITION is not set
+CONFIG_ISO_PARTITION=y
+# CONFIG_SPL_ISO_PARTITION is not set
 CONFIG_SPL_OF_CONTROL=y
 CONFIG_OF_SPL_REMOVE_PROPS="pinctrl-0 pinctrl-names clock-names interrupt-parent assigned-clocks assigned-clock-rates assigned-clock-parents"
 CONFIG_REGMAP=y
diff --git a/configs/pov_protab2_ips9_defconfig b/configs/pov_protab2_ips9_defconfig
index e47b895..456b1b5 100644
--- a/configs/pov_protab2_ips9_defconfig
+++ b/configs/pov_protab2_ips9_defconfig
@@ -19,4 +19,5 @@
 # CONFIG_CMD_FLASH is not set
 # CONFIG_CMD_FPGA is not set
 # CONFIG_SPL_DOS_PARTITION is not set
+# CONFIG_SPL_ISO_PARTITION is not set
 CONFIG_USB_MUSB_HOST=y
diff --git a/configs/q8_a13_tablet_defconfig b/configs/q8_a13_tablet_defconfig
index 39ff6a0..db30c1c 100644
--- a/configs/q8_a13_tablet_defconfig
+++ b/configs/q8_a13_tablet_defconfig
@@ -21,4 +21,5 @@
 # CONFIG_CMD_FLASH is not set
 # CONFIG_CMD_FPGA is not set
 # CONFIG_SPL_DOS_PARTITION is not set
+# CONFIG_SPL_ISO_PARTITION is not set
 CONFIG_USB_MUSB_HOST=y
diff --git a/configs/q8_a23_tablet_800x480_defconfig b/configs/q8_a23_tablet_800x480_defconfig
index bf84282..c14d8a0 100644
--- a/configs/q8_a23_tablet_800x480_defconfig
+++ b/configs/q8_a23_tablet_800x480_defconfig
@@ -21,5 +21,6 @@
 # CONFIG_CMD_FLASH is not set
 # CONFIG_CMD_FPGA is not set
 # CONFIG_SPL_DOS_PARTITION is not set
+# CONFIG_SPL_ISO_PARTITION is not set
 CONFIG_AXP_DLDO1_VOLT=3300
 CONFIG_USB_MUSB_HOST=y
diff --git a/configs/q8_a33_tablet_1024x600_defconfig b/configs/q8_a33_tablet_1024x600_defconfig
index deb8653..b2b3287 100644
--- a/configs/q8_a33_tablet_1024x600_defconfig
+++ b/configs/q8_a33_tablet_1024x600_defconfig
@@ -21,5 +21,6 @@
 # CONFIG_CMD_FLASH is not set
 # CONFIG_CMD_FPGA is not set
 # CONFIG_SPL_DOS_PARTITION is not set
+# CONFIG_SPL_ISO_PARTITION is not set
 CONFIG_AXP_DLDO1_VOLT=3300
 CONFIG_USB_MUSB_HOST=y
diff --git a/configs/q8_a33_tablet_800x480_defconfig b/configs/q8_a33_tablet_800x480_defconfig
index ea0fb41..dae376f 100644
--- a/configs/q8_a33_tablet_800x480_defconfig
+++ b/configs/q8_a33_tablet_800x480_defconfig
@@ -21,5 +21,6 @@
 # CONFIG_CMD_FLASH is not set
 # CONFIG_CMD_FPGA is not set
 # CONFIG_SPL_DOS_PARTITION is not set
+# CONFIG_SPL_ISO_PARTITION is not set
 CONFIG_AXP_DLDO1_VOLT=3300
 CONFIG_USB_MUSB_HOST=y
diff --git a/configs/qemu-x86_defconfig b/configs/qemu-x86_defconfig
index 0f9316e..8896b95 100644
--- a/configs/qemu-x86_defconfig
+++ b/configs/qemu-x86_defconfig
@@ -30,6 +30,7 @@
 CONFIG_CMD_FAT=y
 CONFIG_CMD_FS_GENERIC=y
 CONFIG_MAC_PARTITION=y
+CONFIG_ISO_PARTITION=y
 CONFIG_OF_CONTROL=y
 CONFIG_REGMAP=y
 CONFIG_SYSCON=y
diff --git a/configs/qemu-x86_efi_payload32_defconfig b/configs/qemu-x86_efi_payload32_defconfig
index 5a684c6..2e1ad36 100644
--- a/configs/qemu-x86_efi_payload32_defconfig
+++ b/configs/qemu-x86_efi_payload32_defconfig
@@ -27,6 +27,7 @@
 CONFIG_CMD_FAT=y
 CONFIG_CMD_FS_GENERIC=y
 CONFIG_MAC_PARTITION=y
+CONFIG_ISO_PARTITION=y
 CONFIG_OF_CONTROL=y
 CONFIG_REGMAP=y
 CONFIG_SYSCON=y
diff --git a/configs/qemu-x86_efi_payload64_defconfig b/configs/qemu-x86_efi_payload64_defconfig
index f13ae84..ce4ab51 100644
--- a/configs/qemu-x86_efi_payload64_defconfig
+++ b/configs/qemu-x86_efi_payload64_defconfig
@@ -28,6 +28,7 @@
 CONFIG_CMD_FAT=y
 CONFIG_CMD_FS_GENERIC=y
 CONFIG_MAC_PARTITION=y
+CONFIG_ISO_PARTITION=y
 CONFIG_OF_CONTROL=y
 CONFIG_REGMAP=y
 CONFIG_SYSCON=y
diff --git a/configs/qemu_mips64_defconfig b/configs/qemu_mips64_defconfig
index b013a17..a345a34 100644
--- a/configs/qemu_mips64_defconfig
+++ b/configs/qemu_mips64_defconfig
@@ -11,4 +11,5 @@
 CONFIG_CMD_DHCP=y
 CONFIG_CMD_EXT2=y
 CONFIG_CMD_FAT=y
+# CONFIG_ISO_PARTITION is not set
 CONFIG_SYS_NS16550=y
diff --git a/configs/qemu_mips64el_defconfig b/configs/qemu_mips64el_defconfig
index bffa1a3..2f3cc95 100644
--- a/configs/qemu_mips64el_defconfig
+++ b/configs/qemu_mips64el_defconfig
@@ -12,4 +12,5 @@
 CONFIG_CMD_DHCP=y
 CONFIG_CMD_EXT2=y
 CONFIG_CMD_FAT=y
+# CONFIG_ISO_PARTITION is not set
 CONFIG_SYS_NS16550=y
diff --git a/configs/qemu_mips_defconfig b/configs/qemu_mips_defconfig
index 9cab7dd..5995b3e 100644
--- a/configs/qemu_mips_defconfig
+++ b/configs/qemu_mips_defconfig
@@ -9,4 +9,5 @@
 CONFIG_CMD_DHCP=y
 CONFIG_CMD_EXT2=y
 CONFIG_CMD_FAT=y
+# CONFIG_ISO_PARTITION is not set
 CONFIG_SYS_NS16550=y
diff --git a/configs/qemu_mipsel_defconfig b/configs/qemu_mipsel_defconfig
index b9226a8..bb1679b 100644
--- a/configs/qemu_mipsel_defconfig
+++ b/configs/qemu_mipsel_defconfig
@@ -10,4 +10,5 @@
 CONFIG_CMD_DHCP=y
 CONFIG_CMD_EXT2=y
 CONFIG_CMD_FAT=y
+# CONFIG_ISO_PARTITION is not set
 CONFIG_SYS_NS16550=y
diff --git a/configs/r7-tv-dongle_defconfig b/configs/r7-tv-dongle_defconfig
index b47f8c2..615779c 100644
--- a/configs/r7-tv-dongle_defconfig
+++ b/configs/r7-tv-dongle_defconfig
@@ -11,5 +11,6 @@
 # CONFIG_CMD_FLASH is not set
 # CONFIG_CMD_FPGA is not set
 # CONFIG_SPL_DOS_PARTITION is not set
+# CONFIG_SPL_ISO_PARTITION is not set
 CONFIG_AXP152_POWER=y
 CONFIG_USB_EHCI_HCD=y
diff --git a/configs/rainier_defconfig b/configs/rainier_defconfig
index a2628eb..352de97 100644
--- a/configs/rainier_defconfig
+++ b/configs/rainier_defconfig
@@ -20,5 +20,6 @@
 CONFIG_CMD_CACHE=y
 CONFIG_CMD_FAT=y
 CONFIG_MAC_PARTITION=y
+CONFIG_ISO_PARTITION=y
 CONFIG_SYS_NS16550=y
 CONFIG_OF_LIBFDT=y
diff --git a/configs/rainier_ramboot_defconfig b/configs/rainier_ramboot_defconfig
index c422c5e..21a833a 100644
--- a/configs/rainier_ramboot_defconfig
+++ b/configs/rainier_ramboot_defconfig
@@ -20,5 +20,6 @@
 CONFIG_CMD_CACHE=y
 CONFIG_CMD_FAT=y
 CONFIG_MAC_PARTITION=y
+CONFIG_ISO_PARTITION=y
 CONFIG_SYS_NS16550=y
 CONFIG_OF_LIBFDT=y
diff --git a/configs/rock2_defconfig b/configs/rock2_defconfig
index 4368ac8..6f1a667 100644
--- a/configs/rock2_defconfig
+++ b/configs/rock2_defconfig
@@ -22,6 +22,8 @@
 CONFIG_CMD_PMIC=y
 CONFIG_CMD_REGULATOR=y
 # CONFIG_SPL_DOS_PARTITION is not set
+CONFIG_ISO_PARTITION=y
+# CONFIG_SPL_ISO_PARTITION is not set
 CONFIG_SPL_OF_CONTROL=y
 CONFIG_OF_SPL_REMOVE_PROPS="pinctrl-0 pinctrl-names clock-names interrupt-parent"
 CONFIG_NET_RANDOM_ETHADDR=y
diff --git a/configs/s5pc210_universal_defconfig b/configs/s5pc210_universal_defconfig
index d9dfcba..183e897 100644
--- a/configs/s5pc210_universal_defconfig
+++ b/configs/s5pc210_universal_defconfig
@@ -27,6 +27,7 @@
 CONFIG_CMD_EXT4_WRITE=y
 CONFIG_CMD_FAT=y
 CONFIG_CMD_FS_GENERIC=y
+CONFIG_ISO_PARTITION=y
 CONFIG_OF_CONTROL=y
 CONFIG_DFU_MMC=y
 CONFIG_MMC_DW=y
diff --git a/configs/sandbox_noblk_defconfig b/configs/sandbox_noblk_defconfig
index cfe3038..c5c84fb 100644
--- a/configs/sandbox_noblk_defconfig
+++ b/configs/sandbox_noblk_defconfig
@@ -57,7 +57,7 @@
 CONFIG_CMD_FAT=y
 CONFIG_CMD_FS_GENERIC=y
 CONFIG_MAC_PARTITION=y
-CONFIG_DOS_PARTITION=y
+CONFIG_ISO_PARTITION=y
 CONFIG_OF_CONTROL=y
 CONFIG_OF_HOSTFILE=y
 CONFIG_NETCONSOLE=y
diff --git a/configs/seaboard_defconfig b/configs/seaboard_defconfig
index fd8d0f5..93aafb9 100644
--- a/configs/seaboard_defconfig
+++ b/configs/seaboard_defconfig
@@ -19,6 +19,7 @@
 CONFIG_CMD_REGULATOR=y
 CONFIG_CMD_EXT4_WRITE=y
 # CONFIG_SPL_DOS_PARTITION is not set
+# CONFIG_SPL_ISO_PARTITION is not set
 CONFIG_SPL_DM=y
 # CONFIG_BLK is not set
 # CONFIG_DM_MMC_OPS is not set
diff --git a/configs/sequoia_defconfig b/configs/sequoia_defconfig
index b24e58c..d5f14fa 100644
--- a/configs/sequoia_defconfig
+++ b/configs/sequoia_defconfig
@@ -21,6 +21,7 @@
 CONFIG_CMD_CACHE=y
 CONFIG_CMD_FAT=y
 CONFIG_MAC_PARTITION=y
+CONFIG_ISO_PARTITION=y
 CONFIG_SYS_NS16550=y
 CONFIG_USB=y
 CONFIG_USB_STORAGE=y
diff --git a/configs/sequoia_ramboot_defconfig b/configs/sequoia_ramboot_defconfig
index 8dcb553..b4ac328 100644
--- a/configs/sequoia_ramboot_defconfig
+++ b/configs/sequoia_ramboot_defconfig
@@ -21,6 +21,7 @@
 CONFIG_CMD_CACHE=y
 CONFIG_CMD_FAT=y
 CONFIG_MAC_PARTITION=y
+CONFIG_ISO_PARTITION=y
 CONFIG_SYS_NS16550=y
 CONFIG_USB=y
 CONFIG_USB_STORAGE=y
diff --git a/configs/sheevaplug_defconfig b/configs/sheevaplug_defconfig
index e15355d..63973eb 100644
--- a/configs/sheevaplug_defconfig
+++ b/configs/sheevaplug_defconfig
@@ -19,6 +19,7 @@
 CONFIG_CMD_EXT4=y
 CONFIG_CMD_FAT=y
 CONFIG_CMD_UBI=y
+CONFIG_ISO_PARTITION=y
 CONFIG_SYS_NS16550=y
 CONFIG_USB=y
 CONFIG_USB_STORAGE=y
diff --git a/configs/smdkv310_defconfig b/configs/smdkv310_defconfig
index c15f4f5..d23d1fc 100644
--- a/configs/smdkv310_defconfig
+++ b/configs/smdkv310_defconfig
@@ -22,6 +22,7 @@
 CONFIG_CMD_EXT4_WRITE=y
 CONFIG_CMD_FAT=y
 CONFIG_CMD_FS_GENERIC=y
+CONFIG_ISO_PARTITION=y
 CONFIG_MMC_DW=y
 CONFIG_MMC_SDHCI=y
 CONFIG_MMC_SDHCI_SDMA=y
diff --git a/configs/sniper_defconfig b/configs/sniper_defconfig
index e289069..39cc921 100644
--- a/configs/sniper_defconfig
+++ b/configs/sniper_defconfig
@@ -24,6 +24,7 @@
 CONFIG_CMD_EXT4=y
 CONFIG_CMD_FAT=y
 CONFIG_CMD_FS_GENERIC=y
+CONFIG_ISO_PARTITION=y
 CONFIG_MMC_OMAP_HS=y
 CONFIG_SYS_NS16550=y
 CONFIG_USB=y
diff --git a/configs/som-db5800-som-6867_defconfig b/configs/som-db5800-som-6867_defconfig
index ffb2e53..11378bd 100644
--- a/configs/som-db5800-som-6867_defconfig
+++ b/configs/som-db5800-som-6867_defconfig
@@ -36,6 +36,7 @@
 CONFIG_CMD_FAT=y
 CONFIG_CMD_FS_GENERIC=y
 CONFIG_MAC_PARTITION=y
+CONFIG_ISO_PARTITION=y
 CONFIG_OF_CONTROL=y
 CONFIG_REGMAP=y
 CONFIG_SYSCON=y
diff --git a/configs/sunxi_Gemei_G9_defconfig b/configs/sunxi_Gemei_G9_defconfig
index 8e7901b..f61237d 100644
--- a/configs/sunxi_Gemei_G9_defconfig
+++ b/configs/sunxi_Gemei_G9_defconfig
@@ -16,4 +16,5 @@
 # CONFIG_CMD_FLASH is not set
 # CONFIG_CMD_FPGA is not set
 # CONFIG_SPL_DOS_PARTITION is not set
+# CONFIG_SPL_ISO_PARTITION is not set
 CONFIG_USB_EHCI_HCD=y
diff --git a/configs/tec-ng_defconfig b/configs/tec-ng_defconfig
index f095002..8eb2e52 100644
--- a/configs/tec-ng_defconfig
+++ b/configs/tec-ng_defconfig
@@ -22,6 +22,7 @@
 # CONFIG_CMD_NFS is not set
 CONFIG_CMD_EXT4_WRITE=y
 # CONFIG_SPL_DOS_PARTITION is not set
+# CONFIG_SPL_ISO_PARTITION is not set
 CONFIG_SPL_DM=y
 # CONFIG_BLK is not set
 # CONFIG_DM_MMC_OPS is not set
diff --git a/configs/tec_defconfig b/configs/tec_defconfig
index 805e74f..d515a48 100644
--- a/configs/tec_defconfig
+++ b/configs/tec_defconfig
@@ -20,6 +20,7 @@
 CONFIG_CMD_REGULATOR=y
 CONFIG_CMD_EXT4_WRITE=y
 # CONFIG_SPL_DOS_PARTITION is not set
+# CONFIG_SPL_ISO_PARTITION is not set
 CONFIG_SPL_DM=y
 # CONFIG_BLK is not set
 # CONFIG_DM_MMC_OPS is not set
diff --git a/configs/theadorable-x86-dfi-bt700_defconfig b/configs/theadorable-x86-dfi-bt700_defconfig
index 39e6e2e..caff372 100644
--- a/configs/theadorable-x86-dfi-bt700_defconfig
+++ b/configs/theadorable-x86-dfi-bt700_defconfig
@@ -38,6 +38,7 @@
 CONFIG_CMD_FAT=y
 CONFIG_CMD_FS_GENERIC=y
 CONFIG_MAC_PARTITION=y
+CONFIG_ISO_PARTITION=y
 CONFIG_OF_CONTROL=y
 CONFIG_REGMAP=y
 CONFIG_SYSCON=y
diff --git a/configs/tplink_wdr4300_defconfig b/configs/tplink_wdr4300_defconfig
index 9161427..3c7e6ff 100644
--- a/configs/tplink_wdr4300_defconfig
+++ b/configs/tplink_wdr4300_defconfig
@@ -18,6 +18,7 @@
 # CONFIG_CMD_FPGA is not set
 CONFIG_CMD_DHCP=y
 CONFIG_CMD_PING=y
+# CONFIG_ISO_PARTITION is not set
 CONFIG_NET_RANDOM_ETHADDR=y
 CONFIG_CLK=y
 CONFIG_DM_SPI_FLASH=y
diff --git a/configs/trats2_defconfig b/configs/trats2_defconfig
index 984ef06..e8523c7 100644
--- a/configs/trats2_defconfig
+++ b/configs/trats2_defconfig
@@ -30,6 +30,7 @@
 CONFIG_CMD_EXT4_WRITE=y
 CONFIG_CMD_FAT=y
 CONFIG_CMD_FS_GENERIC=y
+CONFIG_ISO_PARTITION=y
 CONFIG_OF_CONTROL=y
 CONFIG_DFU_MMC=y
 CONFIG_MMC_DW=y
diff --git a/configs/trats_defconfig b/configs/trats_defconfig
index 15737d1..729ada3 100644
--- a/configs/trats_defconfig
+++ b/configs/trats_defconfig
@@ -29,6 +29,7 @@
 CONFIG_CMD_EXT4_WRITE=y
 CONFIG_CMD_FAT=y
 CONFIG_CMD_FS_GENERIC=y
+CONFIG_ISO_PARTITION=y
 CONFIG_OF_CONTROL=y
 CONFIG_DFU_MMC=y
 CONFIG_MMC_DW=y
diff --git a/configs/trimslice_defconfig b/configs/trimslice_defconfig
index f7f7fd3..4b0691e 100644
--- a/configs/trimslice_defconfig
+++ b/configs/trimslice_defconfig
@@ -21,6 +21,7 @@
 # CONFIG_CMD_NFS is not set
 CONFIG_CMD_EXT4_WRITE=y
 # CONFIG_SPL_DOS_PARTITION is not set
+# CONFIG_SPL_ISO_PARTITION is not set
 CONFIG_SPL_DM=y
 # CONFIG_BLK is not set
 # CONFIG_DM_MMC_OPS is not set
diff --git a/configs/udoo_neo_defconfig b/configs/udoo_neo_defconfig
index e601c7e..4d266b1 100644
--- a/configs/udoo_neo_defconfig
+++ b/configs/udoo_neo_defconfig
@@ -28,4 +28,5 @@
 CONFIG_CMD_EXT4_WRITE=y
 CONFIG_CMD_FAT=y
 CONFIG_CMD_FS_GENERIC=y
+CONFIG_ISO_PARTITION=y
 CONFIG_OF_LIBFDT=y
diff --git a/configs/vct_platinum_onenand_small_defconfig b/configs/vct_platinum_onenand_small_defconfig
index 50d2619..0e4964b 100644
--- a/configs/vct_platinum_onenand_small_defconfig
+++ b/configs/vct_platinum_onenand_small_defconfig
@@ -21,4 +21,5 @@
 # CONFIG_CMD_NFS is not set
 # CONFIG_CMD_MISC is not set
 CONFIG_CMD_UBI=y
+# CONFIG_ISO_PARTITION is not set
 CONFIG_SYS_NS16550=y
diff --git a/configs/vct_platinum_small_defconfig b/configs/vct_platinum_small_defconfig
index b22401c..1eb4c13 100644
--- a/configs/vct_platinum_small_defconfig
+++ b/configs/vct_platinum_small_defconfig
@@ -17,4 +17,5 @@
 # CONFIG_CMD_NET is not set
 # CONFIG_CMD_NFS is not set
 # CONFIG_CMD_MISC is not set
+# CONFIG_ISO_PARTITION is not set
 CONFIG_SYS_NS16550=y
diff --git a/configs/vct_platinumavc_defconfig b/configs/vct_platinumavc_defconfig
index 9778dc3..c0fc268 100644
--- a/configs/vct_platinumavc_defconfig
+++ b/configs/vct_platinumavc_defconfig
@@ -9,4 +9,5 @@
 # CONFIG_CMD_NET is not set
 CONFIG_CMD_DHCP=y
 # CONFIG_CMD_NFS is not set
+# CONFIG_ISO_PARTITION is not set
 CONFIG_SYS_NS16550=y
diff --git a/configs/vct_platinumavc_onenand_defconfig b/configs/vct_platinumavc_onenand_defconfig
index ee3b400..d690e19 100644
--- a/configs/vct_platinumavc_onenand_defconfig
+++ b/configs/vct_platinumavc_onenand_defconfig
@@ -13,4 +13,5 @@
 CONFIG_CMD_DHCP=y
 # CONFIG_CMD_NFS is not set
 CONFIG_CMD_UBI=y
+# CONFIG_ISO_PARTITION is not set
 CONFIG_SYS_NS16550=y
diff --git a/configs/vct_platinumavc_onenand_small_defconfig b/configs/vct_platinumavc_onenand_small_defconfig
index 8fb374d..5b443cf 100644
--- a/configs/vct_platinumavc_onenand_small_defconfig
+++ b/configs/vct_platinumavc_onenand_small_defconfig
@@ -21,4 +21,5 @@
 # CONFIG_CMD_NFS is not set
 # CONFIG_CMD_MISC is not set
 CONFIG_CMD_UBI=y
+# CONFIG_ISO_PARTITION is not set
 CONFIG_SYS_NS16550=y
diff --git a/configs/vct_platinumavc_small_defconfig b/configs/vct_platinumavc_small_defconfig
index 8046c32..aa0df38 100644
--- a/configs/vct_platinumavc_small_defconfig
+++ b/configs/vct_platinumavc_small_defconfig
@@ -17,4 +17,5 @@
 # CONFIG_CMD_NET is not set
 # CONFIG_CMD_NFS is not set
 # CONFIG_CMD_MISC is not set
+# CONFIG_ISO_PARTITION is not set
 CONFIG_SYS_NS16550=y
diff --git a/configs/vct_premium_onenand_small_defconfig b/configs/vct_premium_onenand_small_defconfig
index 023f22f..8eca0a5 100644
--- a/configs/vct_premium_onenand_small_defconfig
+++ b/configs/vct_premium_onenand_small_defconfig
@@ -21,4 +21,5 @@
 # CONFIG_CMD_NFS is not set
 # CONFIG_CMD_MISC is not set
 CONFIG_CMD_UBI=y
+# CONFIG_ISO_PARTITION is not set
 CONFIG_SYS_NS16550=y
diff --git a/configs/vct_premium_small_defconfig b/configs/vct_premium_small_defconfig
index 18d8b42..ed8ffb6 100644
--- a/configs/vct_premium_small_defconfig
+++ b/configs/vct_premium_small_defconfig
@@ -17,4 +17,5 @@
 # CONFIG_CMD_NET is not set
 # CONFIG_CMD_NFS is not set
 # CONFIG_CMD_MISC is not set
+# CONFIG_ISO_PARTITION is not set
 CONFIG_SYS_NS16550=y
diff --git a/configs/venice2_defconfig b/configs/venice2_defconfig
index d24cd15..30d5239 100644
--- a/configs/venice2_defconfig
+++ b/configs/venice2_defconfig
@@ -23,6 +23,7 @@
 # CONFIG_CMD_NFS is not set
 CONFIG_CMD_EXT4_WRITE=y
 # CONFIG_SPL_DOS_PARTITION is not set
+# CONFIG_SPL_ISO_PARTITION is not set
 CONFIG_SPL_DM=y
 # CONFIG_BLK is not set
 CONFIG_DFU_MMC=y
diff --git a/configs/ventana_defconfig b/configs/ventana_defconfig
index 9095743..262edb7 100644
--- a/configs/ventana_defconfig
+++ b/configs/ventana_defconfig
@@ -18,6 +18,7 @@
 CONFIG_CMD_REGULATOR=y
 CONFIG_CMD_EXT4_WRITE=y
 # CONFIG_SPL_DOS_PARTITION is not set
+# CONFIG_SPL_ISO_PARTITION is not set
 CONFIG_SPL_DM=y
 # CONFIG_BLK is not set
 # CONFIG_DM_MMC_OPS is not set
diff --git a/configs/vexpress_aemv8a_dram_defconfig b/configs/vexpress_aemv8a_dram_defconfig
index 9fa1095..c8e74e7 100644
--- a/configs/vexpress_aemv8a_dram_defconfig
+++ b/configs/vexpress_aemv8a_dram_defconfig
@@ -22,6 +22,7 @@
 # CONFIG_CMD_NFS is not set
 CONFIG_CMD_CACHE=y
 # CONFIG_CMD_MISC is not set
+# CONFIG_ISO_PARTITION is not set
 CONFIG_DM=y
 CONFIG_DM_SERIAL=y
 CONFIG_OF_LIBFDT=y
diff --git a/configs/vexpress_aemv8a_juno_defconfig b/configs/vexpress_aemv8a_juno_defconfig
index ae0a691..f9a2467 100644
--- a/configs/vexpress_aemv8a_juno_defconfig
+++ b/configs/vexpress_aemv8a_juno_defconfig
@@ -22,6 +22,7 @@
 # CONFIG_CMD_NFS is not set
 CONFIG_CMD_CACHE=y
 # CONFIG_CMD_MISC is not set
+# CONFIG_ISO_PARTITION is not set
 CONFIG_DM=y
 CONFIG_DM_SERIAL=y
 CONFIG_OF_LIBFDT=y
diff --git a/configs/vexpress_aemv8a_semi_defconfig b/configs/vexpress_aemv8a_semi_defconfig
index 97505da..cabd32e 100644
--- a/configs/vexpress_aemv8a_semi_defconfig
+++ b/configs/vexpress_aemv8a_semi_defconfig
@@ -22,6 +22,7 @@
 # CONFIG_CMD_NFS is not set
 CONFIG_CMD_CACHE=y
 # CONFIG_CMD_MISC is not set
+# CONFIG_ISO_PARTITION is not set
 CONFIG_DM=y
 CONFIG_DM_SERIAL=y
 CONFIG_OF_LIBFDT=y
diff --git a/configs/whistler_defconfig b/configs/whistler_defconfig
index aa10db9..0709e62 100644
--- a/configs/whistler_defconfig
+++ b/configs/whistler_defconfig
@@ -19,6 +19,7 @@
 # CONFIG_CMD_NFS is not set
 CONFIG_CMD_EXT4_WRITE=y
 # CONFIG_SPL_DOS_PARTITION is not set
+# CONFIG_SPL_ISO_PARTITION is not set
 CONFIG_SPL_DM=y
 # CONFIG_BLK is not set
 # CONFIG_DM_MMC_OPS is not set
diff --git a/configs/xilinx_zynqmp_ep_defconfig b/configs/xilinx_zynqmp_ep_defconfig
index 5a564a6..26c4a75 100644
--- a/configs/xilinx_zynqmp_ep_defconfig
+++ b/configs/xilinx_zynqmp_ep_defconfig
@@ -37,6 +37,7 @@
 CONFIG_CMD_TIME=y
 CONFIG_CMD_TIMER=y
 CONFIG_CMD_EXT4_WRITE=y
+# CONFIG_SPL_ISO_PARTITION is not set
 CONFIG_SPL_OF_CONTROL=y
 CONFIG_OF_EMBED=y
 CONFIG_NET_RANDOM_ETHADDR=y
diff --git a/configs/xilinx_zynqmp_zc1751_xm015_dc1_defconfig b/configs/xilinx_zynqmp_zc1751_xm015_dc1_defconfig
index 41fcc8d..0ee1377 100644
--- a/configs/xilinx_zynqmp_zc1751_xm015_dc1_defconfig
+++ b/configs/xilinx_zynqmp_zc1751_xm015_dc1_defconfig
@@ -29,6 +29,7 @@
 CONFIG_CMD_TIME=y
 CONFIG_CMD_TIMER=y
 CONFIG_CMD_EXT4_WRITE=y
+# CONFIG_SPL_ISO_PARTITION is not set
 CONFIG_SPL_OF_CONTROL=y
 CONFIG_OF_EMBED=y
 CONFIG_NET_RANDOM_ETHADDR=y
diff --git a/configs/xilinx_zynqmp_zc1751_xm016_dc2_defconfig b/configs/xilinx_zynqmp_zc1751_xm016_dc2_defconfig
index c566af0..bbacd81 100644
--- a/configs/xilinx_zynqmp_zc1751_xm016_dc2_defconfig
+++ b/configs/xilinx_zynqmp_zc1751_xm016_dc2_defconfig
@@ -31,6 +31,7 @@
 CONFIG_CMD_TIME=y
 CONFIG_CMD_TIMER=y
 CONFIG_CMD_EXT4_WRITE=y
+# CONFIG_SPL_ISO_PARTITION is not set
 CONFIG_SPL_OF_CONTROL=y
 CONFIG_OF_EMBED=y
 CONFIG_NET_RANDOM_ETHADDR=y
diff --git a/configs/xilinx_zynqmp_zc1751_xm018_dc4_defconfig b/configs/xilinx_zynqmp_zc1751_xm018_dc4_defconfig
index 7c75abb..817d066 100644
--- a/configs/xilinx_zynqmp_zc1751_xm018_dc4_defconfig
+++ b/configs/xilinx_zynqmp_zc1751_xm018_dc4_defconfig
@@ -23,6 +23,7 @@
 CONFIG_CMD_TIME=y
 CONFIG_CMD_TIMER=y
 CONFIG_CMD_EXT4_WRITE=y
+# CONFIG_SPL_ISO_PARTITION is not set
 CONFIG_SPL_OF_CONTROL=y
 CONFIG_OF_EMBED=y
 CONFIG_NET_RANDOM_ETHADDR=y
diff --git a/configs/xilinx_zynqmp_zc1751_xm019_dc5_defconfig b/configs/xilinx_zynqmp_zc1751_xm019_dc5_defconfig
index 401c0d6..9d15846 100644
--- a/configs/xilinx_zynqmp_zc1751_xm019_dc5_defconfig
+++ b/configs/xilinx_zynqmp_zc1751_xm019_dc5_defconfig
@@ -24,6 +24,7 @@
 CONFIG_CMD_TIME=y
 CONFIG_CMD_TIMER=y
 CONFIG_CMD_EXT4_WRITE=y
+# CONFIG_SPL_ISO_PARTITION is not set
 CONFIG_SPL_OF_CONTROL=y
 CONFIG_OF_EMBED=y
 CONFIG_SPL_DM=y
diff --git a/configs/xilinx_zynqmp_zcu102_defconfig b/configs/xilinx_zynqmp_zcu102_defconfig
index 09cf4e1..11bf58b 100644
--- a/configs/xilinx_zynqmp_zcu102_defconfig
+++ b/configs/xilinx_zynqmp_zcu102_defconfig
@@ -29,6 +29,7 @@
 CONFIG_CMD_TIME=y
 CONFIG_CMD_TIMER=y
 CONFIG_CMD_EXT4_WRITE=y
+# CONFIG_SPL_ISO_PARTITION is not set
 CONFIG_SPL_OF_CONTROL=y
 CONFIG_OF_EMBED=y
 CONFIG_NET_RANDOM_ETHADDR=y
diff --git a/configs/xilinx_zynqmp_zcu102_revB_defconfig b/configs/xilinx_zynqmp_zcu102_revB_defconfig
index 98209ba..847c147 100644
--- a/configs/xilinx_zynqmp_zcu102_revB_defconfig
+++ b/configs/xilinx_zynqmp_zcu102_revB_defconfig
@@ -29,6 +29,7 @@
 CONFIG_CMD_TIME=y
 CONFIG_CMD_TIMER=y
 CONFIG_CMD_EXT4_WRITE=y
+# CONFIG_SPL_ISO_PARTITION is not set
 CONFIG_SPL_OF_CONTROL=y
 CONFIG_OF_EMBED=y
 CONFIG_NET_RANDOM_ETHADDR=y
diff --git a/configs/yellowstone_defconfig b/configs/yellowstone_defconfig
index 53d1007..0b08b7d 100644
--- a/configs/yellowstone_defconfig
+++ b/configs/yellowstone_defconfig
@@ -19,6 +19,7 @@
 CONFIG_CMD_CACHE=y
 CONFIG_MAC_PARTITION=y
 CONFIG_DOS_PARTITION=y
+CONFIG_ISO_PARTITION=y
 # CONFIG_PCI_PNP is not set
 CONFIG_SYS_NS16550=y
 CONFIG_OF_LIBFDT=y
diff --git a/configs/yosemite_defconfig b/configs/yosemite_defconfig
index 6083f64..f04e69d 100644
--- a/configs/yosemite_defconfig
+++ b/configs/yosemite_defconfig
@@ -21,6 +21,7 @@
 CONFIG_CMD_EXT2=y
 CONFIG_CMD_FAT=y
 CONFIG_MAC_PARTITION=y
+CONFIG_ISO_PARTITION=y
 # CONFIG_PCI_PNP is not set
 CONFIG_SYS_NS16550=y
 CONFIG_USB=y
diff --git a/disk/Kconfig b/disk/Kconfig
index 1bb5d84..1400b26 100644
--- a/disk/Kconfig
+++ b/disk/Kconfig
@@ -45,4 +45,15 @@
 	depends on SPL && PARTITIONS
 	default y if DOS_PARTITION
 
+config ISO_PARTITION
+	bool "Enable ISO partition table"
+	depends on PARTITIONS
+	default y if DISTRO_DEFAULTS
+	default y if SPARC || MIPS || TEGRA
+
+config SPL_ISO_PARTITION
+	bool "Enable ISO partition table for SPL"
+	depends on SPL && PARTITIONS
+	default y if ISO_PARTITION
+
 endmenu
diff --git a/disk/Makefile b/disk/Makefile
index 8b36b17..95d286b 100644
--- a/disk/Makefile
+++ b/disk/Makefile
@@ -10,6 +10,6 @@
 obj-$(CONFIG_PARTITIONS) 	+= part.o
 obj-$(CONFIG_$(SPL_)MAC_PARTITION)   += part_mac.o
 obj-$(CONFIG_$(SPL_)DOS_PARTITION)   += part_dos.o
-obj-$(CONFIG_ISO_PARTITION)   += part_iso.o
+obj-$(CONFIG_$(SPL_)ISO_PARTITION)   += part_iso.o
 obj-$(CONFIG_AMIGA_PARTITION) += part_amiga.o
 obj-$(CONFIG_EFI_PARTITION)   += part_efi.o
diff --git a/disk/part.c b/disk/part.c
index 03da243..4731ae9 100644
--- a/disk/part.c
+++ b/disk/part.c
@@ -236,7 +236,7 @@
 {
 #if CONFIG_IS_ENABLED(MAC_PARTITION) || \
 	CONFIG_IS_ENABLED(DOS_PARTITION) || \
-	defined(CONFIG_ISO_PARTITION) || \
+	CONFIG_IS_ENABLED(ISO_PARTITION) || \
 	defined(CONFIG_AMIGA_PARTITION) || \
 	defined(CONFIG_EFI_PARTITION)
 	puts ("\nPartition Map for ");
diff --git a/disk/part_amiga.h b/disk/part_amiga.h
index 0f04e97..a3fe1a9 100644
--- a/disk/part_amiga.h
+++ b/disk/part_amiga.h
@@ -10,7 +10,7 @@
 #define _DISK_PART_AMIGA_H
 #include <common.h>
 
-#ifdef CONFIG_ISO_PARTITION
+#if CONFIG_IS_ENABLED(ISO_PARTITION)
 /* Make the buffers bigger if ISO partition support is enabled -- CD-ROMS
    have 2048 byte blocks */
 #define DEFAULT_SECTOR_SIZE   2048
diff --git a/disk/part_mac.h b/disk/part_mac.h
index 7b754e1..6735144 100644
--- a/disk/part_mac.h
+++ b/disk/part_mac.h
@@ -73,7 +73,7 @@
 	__u32	boot_cksum;	/* boot code checksum			*/
 	uchar	processor[16];	/* Type of Processor			*/
 	__u16	part_pad[188];	/* reserved				*/
-#ifdef CONFIG_ISO_PARTITION
+#if CONFIG_IS_ENABLED(ISO_PARTITION)
 	uchar   iso_dummy[2048];/* Reservere enough room for an ISO partition block to fit */
 #endif
 } mac_partition_t;
diff --git a/include/config_distro_defaults.h b/include/config_distro_defaults.h
index 4ed4570..c96d258 100644
--- a/include/config_distro_defaults.h
+++ b/include/config_distro_defaults.h
@@ -24,7 +24,6 @@
 #define CONFIG_AUTO_COMPLETE
 #define CONFIG_SYS_LONGHELP
 #define CONFIG_EFI_PARTITION
-#define CONFIG_ISO_PARTITION
 #define CONFIG_SUPPORT_RAW_INITRD
 #define CONFIG_ENV_VARS_UBOOT_CONFIG
 
diff --git a/include/configs/M52277EVB.h b/include/configs/M52277EVB.h
index 11c41cd..98ccbe3 100644
--- a/include/configs/M52277EVB.h
+++ b/include/configs/M52277EVB.h
@@ -92,7 +92,6 @@
 /* USB */
 #ifdef CONFIG_CMD_USB
 #define CONFIG_USB_EHCI
-#define CONFIG_ISO_PARTITION
 #define CONFIG_SYS_USB_EHCI_REGS_BASE	0xFC0B0000
 #define CONFIG_SYS_USB_EHCI_CPU_INIT
 #endif
diff --git a/include/configs/M54455EVB.h b/include/configs/M54455EVB.h
index 825dbce..0eed59e 100644
--- a/include/configs/M54455EVB.h
+++ b/include/configs/M54455EVB.h
@@ -119,7 +119,6 @@
 #endif
 
 /* ATA configuration */
-#define CONFIG_ISO_PARTITION
 #define CONFIG_IDE_RESET	1
 #define CONFIG_IDE_PREINIT	1
 #define CONFIG_ATAPI
diff --git a/include/configs/MIP405.h b/include/configs/MIP405.h
index 50c98df..b59c53e 100644
--- a/include/configs/MIP405.h
+++ b/include/configs/MIP405.h
@@ -326,7 +326,6 @@
 /************************************************************
  * DISK Partition support
  ************************************************************/
-#define CONFIG_ISO_PARTITION /* Experimental */
 
 /************************************************************
  * Video support
diff --git a/include/configs/PIP405.h b/include/configs/PIP405.h
index b22f9e4..ab7ac2b 100644
--- a/include/configs/PIP405.h
+++ b/include/configs/PIP405.h
@@ -284,7 +284,6 @@
 /************************************************************
  * DISK Partition support
  ************************************************************/
-#define CONFIG_ISO_PARTITION /* Experimental */
 
 /************************************************************
  * Video support
diff --git a/include/configs/PMC440.h b/include/configs/PMC440.h
index 06422b5..5ea82f8 100644
--- a/include/configs/PMC440.h
+++ b/include/configs/PMC440.h
@@ -258,7 +258,6 @@
 #define USB_2_0_DEVICE
 
 /* Partitions */
-#define CONFIG_ISO_PARTITION
 
 #define CONFIG_CMD_BSP
 #define CONFIG_CMD_DATE
diff --git a/include/configs/TQM5200.h b/include/configs/TQM5200.h
index e1379bb..495fdc8 100644
--- a/include/configs/TQM5200.h
+++ b/include/configs/TQM5200.h
@@ -107,7 +107,6 @@
 #endif /* #ifndef CONFIG_TQM5200S */
 
 /* Partitions */
-#define CONFIG_ISO_PARTITION
 
 /* USB */
 #if defined(CONFIG_CHARON) || defined(CONFIG_FO300) || \
diff --git a/include/configs/ac14xx.h b/include/configs/ac14xx.h
index bcbc159..a7a6bfe 100644
--- a/include/configs/ac14xx.h
+++ b/include/configs/ac14xx.h
@@ -396,10 +396,6 @@
 #define CONFIG_CMD_PCI
 #endif
 
-#if defined(CONFIG_CMD_IDE) || defined(CONFIG_CMD_EXT2)
-#define CONFIG_ISO_PARTITION
-#endif /* defined(CONFIG_CMD_IDE) */
-
 /*
  * Miscellaneous configurable options
  */
diff --git a/include/configs/acadia.h b/include/configs/acadia.h
index b9ddbde..9f35e71 100644
--- a/include/configs/acadia.h
+++ b/include/configs/acadia.h
@@ -154,7 +154,6 @@
 #define CONFIG_USB_OHCI
 
 /* Partitions */
-#define CONFIG_ISO_PARTITION
 
 #define CONFIG_SUPPORT_VFAT
 
diff --git a/include/configs/am335x_shc.h b/include/configs/am335x_shc.h
index d780c3f..e4b4cea 100644
--- a/include/configs/am335x_shc.h
+++ b/include/configs/am335x_shc.h
@@ -83,9 +83,6 @@
 /* Enhance our eMMC support / experience. */
 #define CONFIG_CMD_GPT
 #define CONFIG_EFI_PARTITION
-#ifdef CONFIG_SPL_BUILD
-#undef CONFIG_ISO_PARTITION
-#endif
 #ifndef CONFIG_SHC_ICT
 /*
  * In builds other than ICT, reset to retry after timeout
diff --git a/include/configs/aria.h b/include/configs/aria.h
index 8e3a7b2..d408d54 100644
--- a/include/configs/aria.h
+++ b/include/configs/aria.h
@@ -403,10 +403,6 @@
 #define CONFIG_CMD_PCI
 #endif
 
-#if defined(CONFIG_CMD_IDE) || defined(CONFIG_CMD_EXT2)
-#define CONFIG_ISO_PARTITION
-#endif /* defined(CONFIG_CMD_IDE) */
-
 /*
  * Dynamic MTD partition support
  */
diff --git a/include/configs/bamboo.h b/include/configs/bamboo.h
index 704310c..aeb6507 100644
--- a/include/configs/bamboo.h
+++ b/include/configs/bamboo.h
@@ -192,7 +192,6 @@
 #define CONFIG_SUPPORT_VFAT
 
 /* Partitions */
-#define CONFIG_ISO_PARTITION
 
 /*-----------------------------------------------------------------------
  * PCI stuff
diff --git a/include/configs/canyonlands.h b/include/configs/canyonlands.h
index f463bd6..9babc3d 100644
--- a/include/configs/canyonlands.h
+++ b/include/configs/canyonlands.h
@@ -395,7 +395,6 @@
 #endif
 
 /* Partitions */
-#define CONFIG_ISO_PARTITION
 
 /*-----------------------------------------------------------------------
  * PCI stuff
diff --git a/include/configs/cm5200.h b/include/configs/cm5200.h
index c454b17..b3a98df 100644
--- a/include/configs/cm5200.h
+++ b/include/configs/cm5200.h
@@ -225,7 +225,6 @@
 #define CONFIG_USB_CLOCK	0x0001BBBB
 #define CONFIG_USB_CONFIG	0x00001000
 /* Partitions (for USB) */
-#define CONFIG_ISO_PARTITION	1
 
 /*
  * Invoke our last_stage_init function - needed by fwupdate
diff --git a/include/configs/ds414.h b/include/configs/ds414.h
index b396c9c..9d5a5f7 100644
--- a/include/configs/ds414.h
+++ b/include/configs/ds414.h
@@ -81,7 +81,6 @@
 #endif
 
 /* why is this only defined in mv-common.h if CONFIG_DM is undefined? */
-#define CONFIG_ISO_PARTITION
 #define CONFIG_SUPPORT_VFAT
 #define CONFIG_SYS_MVFS
 
diff --git a/include/configs/edminiv2.h b/include/configs/edminiv2.h
index c861c32..175adbd 100644
--- a/include/configs/edminiv2.h
+++ b/include/configs/edminiv2.h
@@ -175,7 +175,6 @@
 #define CONFIG_USB_EHCI		/* Enable EHCI USB support */
 #define CONFIG_USB_EHCI_MARVELL
 #define ORION5X_USB20_HOST_PORT_BASE ORION5X_USB20_PORT0_BASE
-#define CONFIG_ISO_PARTITION
 #define CONFIG_SUPPORT_VFAT
 #endif /* CONFIG_CMD_USB */
 
diff --git a/include/configs/gplugd.h b/include/configs/gplugd.h
index f53064f..7f84f7f 100644
--- a/include/configs/gplugd.h
+++ b/include/configs/gplugd.h
@@ -98,7 +98,6 @@
 #define CONFIG_EHCI_IS_TDI
 #endif /* CONFIG_CMD_USB */
 
-#define CONFIG_ISO_PARTITION
 #define CONFIG_SUPPORT_VFAT
 
 #endif	/* __CONFIG_GPLUGD_H */
diff --git a/include/configs/gr_cpci_ax2000.h b/include/configs/gr_cpci_ax2000.h
index e3871c3..7f6586f 100644
--- a/include/configs/gr_cpci_ax2000.h
+++ b/include/configs/gr_cpci_ax2000.h
@@ -49,7 +49,6 @@
 #define CONFIG_SYS_BAUDRATE_TABLE	{ 9600, 19200, 38400, 57600, 115200, 230400 }
 
 /* Partitions */
-#define CONFIG_ISO_PARTITION
 
 /*
  * Supported commands
diff --git a/include/configs/gr_ep2s60.h b/include/configs/gr_ep2s60.h
index 56457bf..4d28a97 100644
--- a/include/configs/gr_ep2s60.h
+++ b/include/configs/gr_ep2s60.h
@@ -43,7 +43,6 @@
 #define CONFIG_SYS_BAUDRATE_TABLE	{ 9600, 19200, 38400, 57600, 115200, 230400 }
 
 /* Partitions */
-#define CONFIG_ISO_PARTITION
 
 /*
  * Supported commands
diff --git a/include/configs/gr_xc3s_1500.h b/include/configs/gr_xc3s_1500.h
index 17ec8db..b91ab85 100644
--- a/include/configs/gr_xc3s_1500.h
+++ b/include/configs/gr_xc3s_1500.h
@@ -30,7 +30,6 @@
 #define CONFIG_SYS_BAUDRATE_TABLE	{ 9600, 19200, 38400, 57600, 115200, 230400 }
 
 /* Partitions */
-#define CONFIG_ISO_PARTITION
 
 /*
  * Supported commands
diff --git a/include/configs/grsim.h b/include/configs/grsim.h
index d7aa67e..8c1c8b4 100644
--- a/include/configs/grsim.h
+++ b/include/configs/grsim.h
@@ -41,7 +41,6 @@
 #define CONFIG_SYS_BAUDRATE_TABLE	{ 9600, 19200, 38400, 57600, 115200, 230400 }
 
 /* Partitions */
-#define CONFIG_ISO_PARTITION
 
 /*
  * Supported commands
diff --git a/include/configs/grsim_leon2.h b/include/configs/grsim_leon2.h
index 6480492..3651017 100644
--- a/include/configs/grsim_leon2.h
+++ b/include/configs/grsim_leon2.h
@@ -36,7 +36,6 @@
 #define CONFIG_SYS_BAUDRATE_TABLE	{ 9600, 19200, 38400, 57600, 115200, 230400 }
 
 /* Partitions */
-#define CONFIG_ISO_PARTITION
 
 /*
  * Supported commands
diff --git a/include/configs/inka4x0.h b/include/configs/inka4x0.h
index 49cd228..b2131e8 100644
--- a/include/configs/inka4x0.h
+++ b/include/configs/inka4x0.h
@@ -61,7 +61,6 @@
 #define CONFIG_SYS_XLB_PIPELINING	1
 
 /* Partitions */
-#define CONFIG_ISO_PARTITION
 
 /*
  * BOOTP options
diff --git a/include/configs/intip.h b/include/configs/intip.h
index 98b9f41..3477059 100644
--- a/include/configs/intip.h
+++ b/include/configs/intip.h
@@ -279,7 +279,6 @@
 #define CONFIG_CMD_SDRAM
 
 /* Partitions */
-#define CONFIG_ISO_PARTITION
 
 /*
  * PCI stuff
diff --git a/include/configs/jupiter.h b/include/configs/jupiter.h
index ea2f465..44345dd 100644
--- a/include/configs/jupiter.h
+++ b/include/configs/jupiter.h
@@ -63,7 +63,6 @@
 #define CONFIG_SYS_RX_ETH_BUFFER	8  /* use 8 rx buffer on eepro100  */
 
 /* Partitions */
-#define CONFIG_ISO_PARTITION
 
 #define	CONFIG_TIMESTAMP		/* Print image info with timestamp */
 
diff --git a/include/configs/lwmon5.h b/include/configs/lwmon5.h
index 0202e42..9bca8ac 100644
--- a/include/configs/lwmon5.h
+++ b/include/configs/lwmon5.h
@@ -371,7 +371,6 @@
 #define CONFIG_EHCI_HCD_INIT_AFTER_RESET /* re-init HCD after CMD_RESET */
 
 /* Partitions */
-#define CONFIG_ISO_PARTITION
 
 /*
  * BOOTP options
diff --git a/include/configs/mpc5121ads.h b/include/configs/mpc5121ads.h
index e5a6db8..fe9a703 100644
--- a/include/configs/mpc5121ads.h
+++ b/include/configs/mpc5121ads.h
@@ -437,9 +437,6 @@
 					"mpc5121.nand:-(data)"
 
 #if defined(CONFIG_CMD_IDE) || defined(CONFIG_CMD_EXT2) || defined(CONFIG_CMD_USB)
-
-#define CONFIG_ISO_PARTITION
-
 #define CONFIG_SUPPORT_VFAT
 
 #endif /* defined(CONFIG_CMD_IDE) */
diff --git a/include/configs/mv-common.h b/include/configs/mv-common.h
index 69eca23..25562fa 100644
--- a/include/configs/mv-common.h
+++ b/include/configs/mv-common.h
@@ -123,7 +123,6 @@
  */
 #if defined(CONFIG_CMD_USB) && !defined(CONFIG_DM)
 #define CONFIG_USB_EHCI		/* Enable EHCI USB support */
-#define CONFIG_ISO_PARTITION
 #define CONFIG_SUPPORT_VFAT
 #endif /* CONFIG_CMD_USB */
 
diff --git a/include/configs/mvebu_armada-8k.h b/include/configs/mvebu_armada-8k.h
index 087b186..44395bf 100644
--- a/include/configs/mvebu_armada-8k.h
+++ b/include/configs/mvebu_armada-8k.h
@@ -121,7 +121,6 @@
 
 /* DISK Partition support */
 #define CONFIG_EFI_PARTITION
-#define CONFIG_ISO_PARTITION		/* Experimental */
 
 #define CONFIG_CMD_PART
 #define CONFIG_PARTITION_UUIDS
diff --git a/include/configs/mvebu_db-88f3720.h b/include/configs/mvebu_db-88f3720.h
index 9b2893f..868e63e 100644
--- a/include/configs/mvebu_db-88f3720.h
+++ b/include/configs/mvebu_db-88f3720.h
@@ -133,7 +133,6 @@
 
 /* DISK Partition support */
 #define CONFIG_EFI_PARTITION
-#define CONFIG_ISO_PARTITION		/* Experimental */
 
 #define CONFIG_CMD_PART
 #define CONFIG_PARTITION_UUIDS
diff --git a/include/configs/o2dnt-common.h b/include/configs/o2dnt-common.h
index 1152618..8a414c3 100644
--- a/include/configs/o2dnt-common.h
+++ b/include/configs/o2dnt-common.h
@@ -61,7 +61,6 @@
 #define CONFIG_SYS_XLB_PIPELINING	1
 
 /* Partitions */
-#define CONFIG_ISO_PARTITION
 
 #define CONFIG_TIMESTAMP	/* Print image info with timestamp */
 
diff --git a/include/configs/sandbox.h b/include/configs/sandbox.h
index 72cd362..2591887 100644
--- a/include/configs/sandbox.h
+++ b/include/configs/sandbox.h
@@ -51,7 +51,6 @@
 #define CONFIG_PARTITION_UUIDS
 #define CONFIG_AMIGA_PARTITION
 #define CONFIG_EFI_PARTITION
-#define CONFIG_ISO_PARTITION
 
 /*
  * Size of malloc() pool, before and after relocation
diff --git a/include/configs/sequoia.h b/include/configs/sequoia.h
index 169778f..572e6b1 100644
--- a/include/configs/sequoia.h
+++ b/include/configs/sequoia.h
@@ -218,7 +218,6 @@
 #endif /* CONFIG_440EPX */
 
 /* Partitions */
-#define CONFIG_ISO_PARTITION
 
 /*
  * Commands additional to the ones defined in amcc-common.h
diff --git a/include/configs/vct.h b/include/configs/vct.h
index c10e77f..22f170c 100644
--- a/include/configs/vct.h
+++ b/include/configs/vct.h
@@ -97,8 +97,6 @@
 #endif
 
 #if defined(CONFIG_CMD_USB)
-#define CONFIG_ISO_PARTITION
-
 #define CONFIG_SUPPORT_VFAT
 
 /*
diff --git a/include/configs/x86-common.h b/include/configs/x86-common.h
index 0134331..8db798d 100644
--- a/include/configs/x86-common.h
+++ b/include/configs/x86-common.h
@@ -71,7 +71,6 @@
  * DISK Partition support
  ************************************************************/
 #define CONFIG_EFI_PARTITION
-#define CONFIG_ISO_PARTITION		/* Experimental */
 
 #define CONFIG_CMD_PART
 #ifdef CONFIG_SYS_COREBOOT
diff --git a/include/configs/xilinx_zynqmp.h b/include/configs/xilinx_zynqmp.h
index 5578840..463e9a6 100644
--- a/include/configs/xilinx_zynqmp.h
+++ b/include/configs/xilinx_zynqmp.h
@@ -57,9 +57,6 @@
 /* Command line configuration */
 #define CONFIG_CMD_ENV
 #define CONFIG_EFI_PARTITION
-#ifndef CONFIG_SPL_BUILD
-# define CONFIG_ISO_PARTITION
-#endif
 #define CONFIG_MP
 
 /* BOOTP options */
diff --git a/include/configs/yosemite.h b/include/configs/yosemite.h
index d743a32..77648d7 100644
--- a/include/configs/yosemite.h
+++ b/include/configs/yosemite.h
@@ -157,7 +157,6 @@
 #define CONFIG_PHY1_ADDR        3
 
 /* Partitions */
-#define CONFIG_ISO_PARTITION
 
 #ifdef CONFIG_440EP
 /* USB */
diff --git a/lib/efi_loader/efi_disk.c b/lib/efi_loader/efi_disk.c
index 1e3dca4..39e602a 100644
--- a/lib/efi_loader/efi_disk.c
+++ b/lib/efi_loader/efi_disk.c
@@ -251,7 +251,7 @@
 				    const char *pdevname)
 {
 	int disks = 0;
-#ifdef CONFIG_ISO_PARTITION
+#if CONFIG_IS_ENABLED(ISO_PARTITION)
 	char devname[32] = { 0 }; /* dp->str is u16[32] long */
 	disk_partition_t info;
 	int part = 1;
diff --git a/scripts/config_whitelist.txt b/scripts/config_whitelist.txt
index 9d16681..c35588e 100644
--- a/scripts/config_whitelist.txt
+++ b/scripts/config_whitelist.txt
@@ -1617,7 +1617,6 @@
 CONFIG_IRAM_STACK
 CONFIG_IRAM_TOP
 CONFIG_IRDA_BASE
-CONFIG_ISO_PARTITION
 CONFIG_ISP1362_USB
 CONFIG_IS_BUILTIN
 CONFIG_IS_ENABLED