1 files changed, 28 insertions, 0 deletions
diff --git a/board/dhelectronics/common/dh_common.h b/board/dhelectronics/common/dh_common.h
new file mode 100644
index 00000000000..2b24637d96d
--- /dev/null
+++ b/board/dhelectronics/common/dh_common.h
@@ -0,0 +1,28 @@
+/* SPDX-License-Identifier: GPL-2.0+
+ *
+ * Copyright 2022 DENX Software Engineering GmbH, Philip Oberfichtner <pro@denx.de>
+ */
+
+/*
+ * dh_mac_is_in_env - Check if MAC address is already set
+ *
+ * @env: name of environment variable
+ * Return: true if MAC is set, false otherwise
+ */
+bool dh_mac_is_in_env(const char *env);
+
+/*
+ * dh_get_mac_from_eeprom - Get MAC address from eeprom and write it to enetaddr
+ *
+ * @enetaddr: buffer where address is to be stored
+ * @alias: alias for EEPROM device tree node
+ * Return: 0 if OK, other value on error
+ */
+int dh_get_mac_from_eeprom(unsigned char *enetaddr, const char *alias);
+
+/*
+ * dh_setup_mac_address - Try to get MAC address from various locations and write it to env
+ *
+ * Return: 0 if OK, other value on error
+ */
+int dh_setup_mac_address(void);