diff --git a/arch/arm/dts/Makefile b/arch/arm/dts/Makefile
index 04a8ccc..8c11173 100644
--- a/arch/arm/dts/Makefile
+++ b/arch/arm/dts/Makefile
@@ -862,7 +862,7 @@
 
 dtb-$(CONFIG_ARCH_STI) += stih410-b2260.dtb
 
-dtb-$(CONFIG_TARGET_STM32MP1) += \
+dtb-$(CONFIG_STM32MP15x) += \
 	stm32mp157a-dk1.dtb \
 	stm32mp157a-avenger96.dtb \
 	stm32mp157c-dk2.dtb \
diff --git a/arch/arm/dts/stm32mp157c.dtsi b/arch/arm/dts/stm32mp157c.dtsi
index 6c670cf..41aea75 100644
--- a/arch/arm/dts/stm32mp157c.dtsi
+++ b/arch/arm/dts/stm32mp157c.dtsi
@@ -1404,11 +1404,13 @@
 			clock-names = "stmmaceth",
 				      "mac-clk-tx",
 				      "mac-clk-rx",
+				      "eth-ck",
 				      "ethstp",
 				      "syscfg-clk";
 			clocks = <&rcc ETHMAC>,
 				 <&rcc ETHTX>,
 				 <&rcc ETHRX>,
+				 <&rcc ETHCK_K>,
 				 <&rcc ETHSTP>,
 				 <&rcc SYSCFG>;
 			st,syscon = <&syscfg 0x4>;
diff --git a/arch/arm/mach-stm32mp/Kconfig b/arch/arm/mach-stm32mp/Kconfig
index ae28f6e..137178a 100644
--- a/arch/arm/mach-stm32mp/Kconfig
+++ b/arch/arm/mach-stm32mp/Kconfig
@@ -33,8 +33,8 @@
 config ENV_SIZE
 	default 0x2000
 
-config TARGET_STM32MP1
-	bool "Support stm32mp1xx"
+config STM32MP15x
+	bool "Support STMicroelectronics STM32MP15x Soc"
 	select ARCH_SUPPORT_PSCI if !STM32MP1_TRUSTED
 	select CPU_V7A
 	select CPU_V7_HAS_NONSEC if !STM32MP1_TRUSTED
@@ -45,19 +45,35 @@
 	select STM32_RESET
 	select STM32_SERIAL
 	select SYS_ARCH_TIMER
+	imply SYSRESET_PSCI if STM32MP1_TRUSTED
+	imply SYSRESET_SYSCON if !STM32MP1_TRUSTED
+	help
+		support of STMicroelectronics SOC STM32MP15x family
+		STM32MP157, STM32MP153 or STM32MP151
+		STMicroelectronics MPU with core ARMv7
+		dual core A7 for STM32MP157/3, monocore for STM32MP151
+		target all the STMicroelectronics board with SOC STM32MP1 family
+
+choice
+	prompt "STM32MP15x board select"
+	optional
+
+config TARGET_ST_STM32MP15x
+	bool "STMicroelectronics STM32MP15x boards"
+	select STM32MP15x
 	imply BOOTCOUNT_LIMIT
 	imply CMD_BOOTCOUNT
 	imply CMD_CLS if CMD_BMP
 	imply DISABLE_CONSOLE
 	imply PRE_CONSOLE_BUFFER
 	imply SILENT_CONSOLE
-	imply SYSRESET_PSCI if STM32MP1_TRUSTED
-	imply SYSRESET_SYSCON if !STM32MP1_TRUSTED
 	help
-		target STMicroelectronics SOC STM32MP1 family
-		STM32MP157, STM32MP153 or STM32MP151
-		STMicroelectronics MPU with core ARMv7
-		dual core A7 for STM32MP157/3, monocore for STM32MP151
+		target the STMicroelectronics board with SOC STM32MP15x
+		managed by board/st/stm32mp1:
+		Evalulation board (EV1) or Discovery board (DK1 and DK2).
+		The difference between board are managed with devicetree
+
+endchoice
 
 config STM32MP1_TRUSTED
 	bool "Support trusted boot with TF-A"
@@ -80,12 +96,7 @@
 		OP-TEE monitor provides ST SMC to access to secure resources
 
 config SYS_TEXT_BASE
-	prompt "U-Boot base address"
 	default 0xC0100000
-	help
-		configure the U-Boot base address
-		when DDR driver is used:
-		  DDR + 1MB (0xC0100000)
 
 config NR_DRAM_BANKS
 	default 1
diff --git a/arch/arm/mach-stm32mp/cpu.c b/arch/arm/mach-stm32mp/cpu.c
index 6a71465..de7891b 100644
--- a/arch/arm/mach-stm32mp/cpu.c
+++ b/arch/arm/mach-stm32mp/cpu.c
@@ -456,7 +456,7 @@
  * If there is no MAC address in the environment, then it will be initialized
  * (silently) from the value in the OTP.
  */
-static int setup_mac_address(void)
+__weak int setup_mac_address(void)
 {
 #if defined(CONFIG_NET)
 	int ret;
diff --git a/arch/arm/mach-stm32mp/include/mach/sys_proto.h b/arch/arm/mach-stm32mp/include/mach/sys_proto.h
index 99eefab..47e5792 100644
--- a/arch/arm/mach-stm32mp/include/mach/sys_proto.h
+++ b/arch/arm/mach-stm32mp/include/mach/sys_proto.h
@@ -30,3 +30,5 @@
 
 /* return boot mode */
 u32 get_bootmode(void);
+
+int setup_mac_address(void);
diff --git a/board/st/common/Kconfig b/board/st/common/Kconfig
new file mode 100644
index 0000000..af01ca4
--- /dev/null
+++ b/board/st/common/Kconfig
@@ -0,0 +1,7 @@
+config CMD_STBOARD
+	bool "stboard - command for OTP board information"
+	depends on ARCH_STM32MP
+	default y if TARGET_ST_STM32MP15x
+	help
+	  This compile the stboard command to
+	  read and write the board in the OTP.
diff --git a/board/st/common/MAINTAINERS b/board/st/common/MAINTAINERS
new file mode 100644
index 0000000..3b02f4a
--- /dev/null
+++ b/board/st/common/MAINTAINERS
@@ -0,0 +1,6 @@
+ST BOARDS
+M:	Patrick Delaunay <patrick.delaunay@st.com>
+L:	uboot-stm32@st-md-mailman.stormreply.com (moderated for non-subscribers)
+T:	git https://gitlab.denx.de/u-boot/custodians/u-boot-stm.git
+S:	Maintained
+F:	board/st/common/
diff --git a/board/st/common/Makefile b/board/st/common/Makefile
new file mode 100644
index 0000000..8553606
--- /dev/null
+++ b/board/st/common/Makefile
@@ -0,0 +1,6 @@
+# SPDX-License-Identifier: GPL-2.0+ OR BSD-3-Clause
+#
+# Copyright (C) 2020, STMicroelectronics - All Rights Reserved
+#
+
+obj-$(CONFIG_CMD_STBOARD) += cmd_stboard.o
diff --git a/board/st/stm32mp1/cmd_stboard.c b/board/st/common/cmd_stboard.c
similarity index 98%
rename from board/st/stm32mp1/cmd_stboard.c
rename to board/st/common/cmd_stboard.c
index 04352ae..e994a88 100644
--- a/board/st/stm32mp1/cmd_stboard.c
+++ b/board/st/common/cmd_stboard.c
@@ -3,6 +3,7 @@
  * Copyright (C) 2019, STMicroelectronics - All Rights Reserved
  */
 
+#ifndef CONFIG_SPL_BUILD
 #include <common.h>
 #include <console.h>
 #include <misc.h>
@@ -143,3 +144,5 @@
 	   "  - Variant: 1 ... 15\n"
 	   "  - Revision: A...O\n"
 	   "  - BOM: 1...15\n");
+
+#endif
diff --git a/board/st/stm32mp1/Kconfig b/board/st/stm32mp1/Kconfig
index 4fa2360..c5ab755 100644
--- a/board/st/stm32mp1/Kconfig
+++ b/board/st/stm32mp1/Kconfig
@@ -1,4 +1,4 @@
-if TARGET_STM32MP1
+if TARGET_ST_STM32MP15x
 
 config SYS_BOARD
 	default "stm32mp1"
@@ -9,21 +9,5 @@
 config SYS_CONFIG_NAME
 	default "stm32mp1"
 
-config ENV_SECT_SIZE
-	default 0x40000 if ENV_IS_IN_SPI_FLASH
-
-config ENV_OFFSET
-	default 0x280000 if ENV_IS_IN_SPI_FLASH
-
-config CMD_STBOARD
-	bool "stboard - command for OTP board information"
-	default y
-	help
-	  This compile the stboard command to
-	  read and write the board in the OTP.
-
-config TARGET_STM32MP157C_DK2
-	bool "support of STMicroelectronics STM32MP157C-DK2 Discovery Board"
-	default y
-
+source "board/st/common/Kconfig"
 endif
diff --git a/board/st/stm32mp1/Makefile b/board/st/stm32mp1/Makefile
index 3c6c035..8188075 100644
--- a/board/st/stm32mp1/Makefile
+++ b/board/st/stm32mp1/Makefile
@@ -7,7 +7,6 @@
 obj-y += spl.o
 else
 obj-y += stm32mp1.o
-obj-$(CONFIG_CMD_STBOARD) += cmd_stboard.o
 endif
 
 obj-y += board.o
diff --git a/board/st/stm32mp1/stm32mp1.c b/board/st/stm32mp1/stm32mp1.c
index 9c345c7..e82a430 100644
--- a/board/st/stm32mp1/stm32mp1.c
+++ b/board/st/stm32mp1/stm32mp1.c
@@ -608,7 +608,7 @@
 
 static bool board_is_dk2(void)
 {
-	if (CONFIG_IS_ENABLED(TARGET_STM32MP157C_DK2) &&
+	if (CONFIG_IS_ENABLED(TARGET_ST_STM32MP15x) &&
 	    of_machine_is_compatible("st,stm32mp157c-dk2"))
 		return true;
 
diff --git a/configs/stm32mp15_basic_defconfig b/configs/stm32mp15_basic_defconfig
index c85369c..0b646da 100644
--- a/configs/stm32mp15_basic_defconfig
+++ b/configs/stm32mp15_basic_defconfig
@@ -1,9 +1,11 @@
 CONFIG_ARM=y
 CONFIG_ARCH_STM32MP=y
 CONFIG_SYS_MALLOC_F_LEN=0x3000
+CONFIG_ENV_SECT_SIZE=0x40000
+CONFIG_ENV_OFFSET=0x280000
 CONFIG_SPL_MMC_SUPPORT=y
 CONFIG_SPL=y
-CONFIG_TARGET_STM32MP1=y
+CONFIG_TARGET_ST_STM32MP15x=y
 CONFIG_SPL_SPI_FLASH_SUPPORT=y
 CONFIG_SPL_SPI_SUPPORT=y
 # CONFIG_ARMV7_VIRT is not set
diff --git a/configs/stm32mp15_optee_defconfig b/configs/stm32mp15_optee_defconfig
index c192d8d..b45462b 100644
--- a/configs/stm32mp15_optee_defconfig
+++ b/configs/stm32mp15_optee_defconfig
@@ -1,7 +1,9 @@
 CONFIG_ARM=y
 CONFIG_ARCH_STM32MP=y
 CONFIG_SYS_MALLOC_F_LEN=0x3000
-CONFIG_TARGET_STM32MP1=y
+CONFIG_ENV_SECT_SIZE=0x40000
+CONFIG_ENV_OFFSET=0x280000
+CONFIG_TARGET_ST_STM32MP15x=y
 CONFIG_STM32MP1_OPTEE=y
 CONFIG_DISTRO_DEFAULTS=y
 CONFIG_FIT=y
diff --git a/configs/stm32mp15_trusted_defconfig b/configs/stm32mp15_trusted_defconfig
index a846962..5dc530f 100644
--- a/configs/stm32mp15_trusted_defconfig
+++ b/configs/stm32mp15_trusted_defconfig
@@ -1,7 +1,9 @@
 CONFIG_ARM=y
 CONFIG_ARCH_STM32MP=y
 CONFIG_SYS_MALLOC_F_LEN=0x3000
-CONFIG_TARGET_STM32MP1=y
+CONFIG_ENV_SECT_SIZE=0x40000
+CONFIG_ENV_OFFSET=0x280000
+CONFIG_TARGET_ST_STM32MP15x=y
 CONFIG_DISTRO_DEFAULTS=y
 CONFIG_FIT=y
 CONFIG_BOOTCOMMAND="run bootcmd_stm32mp"
diff --git a/include/configs/stm32mp1.h b/include/configs/stm32mp1.h
index d42a786..a66534e 100644
--- a/include/configs/stm32mp1.h
+++ b/include/configs/stm32mp1.h
@@ -33,9 +33,10 @@
 #define CONFIG_SYS_CBSIZE			SZ_1K
 
 /*
- * Needed by "loadb"
+ * default load address used for command tftp,  bootm , loadb, ...
  */
-#define CONFIG_SYS_LOAD_ADDR			STM32_DDR_BASE
+#define CONFIG_LOADADDR			0xc2000000
+#define CONFIG_SYS_LOAD_ADDR		CONFIG_LOADADDR
 
 /* ATAGs */
 #define CONFIG_CMDLINE_TAG
@@ -98,12 +99,34 @@
 
 #if !defined(CONFIG_SPL_BUILD)
 
-#define BOOT_TARGET_DEVICES(func) \
-	func(MMC, mmc, 1) \
-	func(UBIFS, ubifs, 0) \
-	func(MMC, mmc, 0) \
-	func(MMC, mmc, 2) \
-	func(PXE, pxe, na)
+#ifdef CONFIG_CMD_MMC
+#define BOOT_TARGET_MMC0(func)	func(MMC, mmc, 0)
+#define BOOT_TARGET_MMC1(func)	func(MMC, mmc, 1)
+#define BOOT_TARGET_MMC2(func)	func(MMC, mmc, 2)
+#else
+#define BOOT_TARGET_MMC0(func)
+#define BOOT_TARGET_MMC1(func)
+#define BOOT_TARGET_MMC2(func)
+#endif
+
+#ifdef CONFIG_NET
+#define BOOT_TARGET_PXE(func)	func(PXE, pxe, na)
+#else
+#define BOOT_TARGET_PXE(func)
+#endif
+
+#ifdef CONFIG_CMD_UBIFS
+#define BOOT_TARGET_UBIFS(func)	func(UBIFS, ubifs, 0)
+#else
+#define BOOT_TARGET_UBIFS(func)
+#endif
+
+#define BOOT_TARGET_DEVICES(func)	\
+	BOOT_TARGET_MMC1(func)		\
+	BOOT_TARGET_UBIFS(func)		\
+	BOOT_TARGET_MMC0(func)		\
+	BOOT_TARGET_MMC2(func)		\
+	BOOT_TARGET_PXE(func)
 
 /*
  * bootcmd for stm32mp1: