diff --git a/board/CZ.NIC/turris_omnia/Makefile b/board/CZ.NIC/turris_omnia/Makefile
index 341378b..216e119 100644
--- a/board/CZ.NIC/turris_omnia/Makefile
+++ b/board/CZ.NIC/turris_omnia/Makefile
@@ -3,3 +3,4 @@
 # Copyright (C) 2017 Marek Behún <kabel@kernel.org>
 
 obj-y	:= turris_omnia.o ../turris_atsha_otp.o ../turris_common.o
+obj-$(CONFIG_CMD_EEPROM_LAYOUT)	+= eeprom.o
diff --git a/board/CZ.NIC/turris_omnia/eeprom.c b/board/CZ.NIC/turris_omnia/eeprom.c
new file mode 100644
index 0000000..a4f1dab
--- /dev/null
+++ b/board/CZ.NIC/turris_omnia/eeprom.c
@@ -0,0 +1,109 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * Copyright (C) 2024 Marek Behún <kabel@kernel.org>
+ */
+
+#include <asm/unaligned.h>
+#include <ctype.h>
+#include <linux/compiler.h>
+#include <linux/kernel.h>
+#include <eeprom_field.h>
+#include <eeprom_layout.h>
+#include <u-boot/crc.h>
+
+#define _DEF_FIELD(_n, _s, _t) \
+	{ _n, _s, NULL, eeprom_field_print_ ## _t, eeprom_field_update_ ## _t }
+
+static void eeprom_field_print_ramsz(const struct eeprom_field *field)
+{
+	printf(PRINT_FIELD_SEGMENT, field->name);
+	printf("%u\n", get_unaligned_le32(field->buf));
+}
+
+static int eeprom_field_update_ramsz(struct eeprom_field *field, char *value)
+{
+	u32 sz;
+
+	if (value[0] == '1' || value[0] == '2' || value[0] == '4')
+		sz = value[0] - '0';
+	else
+		return -1;
+
+	if (value[1] != '\0')
+		return -1;
+
+	put_unaligned_le32(sz, field->buf);
+
+	return 0;
+}
+
+static void eeprom_field_print_region(const struct eeprom_field *field)
+{
+	eeprom_field_print_ascii(field);
+}
+
+static int eeprom_field_update_region(struct eeprom_field *field, char *value)
+{
+	if (strlen(value) != 2) {
+		printf("%s: has to be 2 characters\n", field->name);
+		return -1;
+	}
+
+	memcpy(field->buf, value, 2);
+	memset(&field->buf[2], '\0', 2);
+
+	return 0;
+}
+
+static struct eeprom_field omnia_layout[] = {
+	_DEF_FIELD("Magic constant", 4, bin),
+	_DEF_FIELD("RAM size in GB", 4, ramsz),
+	_DEF_FIELD("Wi-Fi Region", 4, region),
+	_DEF_FIELD("CRC32 checksum", 4, bin),
+};
+
+static struct eeprom_field *crc_field = &omnia_layout[3];
+
+static int omnia_update_field(struct eeprom_layout *layout, char *field_name,
+			      char *new_data)
+{
+	struct eeprom_field *field;
+	int err;
+
+	if (!new_data)
+		return 0;
+
+	if (!field_name)
+		return -1;
+
+	field = eeprom_layout_find_field(layout, field_name, true);
+	if (!field)
+		return -1;
+
+	err = field->update(field, new_data);
+	if (err) {
+		printf("Invalid data for field %s\n", field_name);
+		return err;
+	}
+
+	if (field < crc_field) {
+		u32 crc = crc32(0, layout->data, 12);
+		put_unaligned_le32(crc, crc_field->buf);
+	}
+
+	return 0;
+}
+
+void eeprom_layout_assign(struct eeprom_layout *layout, int)
+{
+	layout->fields = omnia_layout;
+	layout->num_of_fields = ARRAY_SIZE(omnia_layout);
+	layout->update = omnia_update_field;
+	layout->data_size = 16;
+}
+
+int eeprom_layout_detect(unsigned char *)
+{
+	/* Turris Omnia has only one version of EEPROM layout */
+	return 0;
+}