diff --git a/board/siemens/common/board.c b/board/siemens/common/board.c
index d077751..420c496 100644
--- a/board/siemens/common/board.c
+++ b/board/siemens/common/board.c
@@ -34,7 +34,8 @@
 #include <cpsw.h>
 #include <watchdog.h>
 #include <asm/mach-types.h>
-#include "../common/factoryset.h"
+#include "eeprom.h"
+#include "factoryset.h"
 
 DECLARE_GLOBAL_DATA_PTR;
 
@@ -70,7 +71,6 @@
 #endif /* #ifdef CONFIG_SPL_BUILD */
 
 #ifndef CONFIG_SPL_BUILD
-#define FACTORYSET_EEPROM_ADDR		0x50
 /*
  * Basic board specific setup.  Pinmux has been handled already.
  */
@@ -88,7 +88,7 @@
 	gd->bd->bi_boot_params = CFG_SYS_SDRAM_BASE + 0x100;
 
 #ifdef CONFIG_FACTORYSET
-	factoryset_read_eeprom(FACTORYSET_EEPROM_ADDR);
+	factoryset_read_eeprom(SIEMENS_EE_I2C_ADDR);
 #endif
 
 	gpmc_init();
diff --git a/board/siemens/common/eeprom.h b/board/siemens/common/eeprom.h
new file mode 100644
index 0000000..a21d427
--- /dev/null
+++ b/board/siemens/common/eeprom.h
@@ -0,0 +1,21 @@
+/* SPDX-License-Identifier: GPL-2.0+ */
+/*
+ * Copyright Siemens AG 2023
+ *
+ * Common board definitions for siemens boards
+ */
+
+#ifndef _COMMON_EEPROM_H_
+#define _COMMON_EEPROM_H_
+
+/* EEPROM @ I2C */
+#define SIEMENS_EE_I2C_BUS	0
+#define SIEMENS_EE_I2C_ADDR	0x50
+
+/* EEPROM mapping */
+#define SIEMENS_EE_ADDR_NAND_GEO	0x80
+#define SIEMENS_EE_ADDR_DDR3		0x90
+#define SIEMENS_EE_ADDR_CHIP		0x120
+#define SIEMENS_EE_ADDR_FACTORYSET	0x400
+
+#endif /* _COMMON_EEPROM_H_ */
diff --git a/board/siemens/common/factoryset.c b/board/siemens/common/factoryset.c
index 4e36a6f..b5befab 100644
--- a/board/siemens/common/factoryset.c
+++ b/board/siemens/common/factoryset.c
@@ -22,11 +22,11 @@
 #include <net.h>
 #include <errno.h>
 #include <g_dnl.h>
+#include "eeprom.h"
 #include "factoryset.h"
 
-#define EEPR_PG_SZ		0x80
-#define EEPROM_FATORYSET_OFFSET	0x400
-#define OFF_PG            EEPROM_FATORYSET_OFFSET/EEPR_PG_SZ
+#define EEPR_PG_SZ	0x80
+#define OFF_PG		(SIEMENS_EE_ADDR_FACTORYSET / EEPR_PG_SZ)
 
 /* Global variable that contains necessary information from FactorySet */
 struct factorysetcontainer factory_dat;
@@ -159,7 +159,7 @@
 #endif
 
 #if CONFIG_IS_ENABLED(DM_I2C)
-	ret = uclass_get_device_by_seq(UCLASS_I2C, EEPROM_I2C_BUS, &bus);
+	ret = uclass_get_device_by_seq(UCLASS_I2C, SIEMENS_EE_I2C_BUS, &bus);
 	if (ret)
 		goto err;
 
@@ -171,14 +171,14 @@
 	if (ret)
 		goto err;
 
-	ret = dm_i2c_read(dev, EEPROM_FATORYSET_OFFSET, hdr, sizeof(hdr));
+	ret = dm_i2c_read(dev, SIEMENS_EE_ADDR_FACTORYSET, hdr, sizeof(hdr));
 	if (ret)
 		goto err;
 #else
 	if (i2c_probe(i2c_addr))
 		goto err;
 
-	if (i2c_read(i2c_addr, EEPROM_FATORYSET_OFFSET, 2, hdr, sizeof(hdr)))
+	if (i2c_read(i2c_addr, SIEMENS_EE_ADDR_FACTORYSET, 2, hdr, sizeof(hdr)))
 		goto err;
 #endif