1 // SPDX-License-Identifier: GPL-2.0+
3 * (C) Copyright 2014 - 2019 Xilinx, Inc.
4 * Michal Simek <michal.simek@xilinx.com>
11 #if !defined(CONFIG_DM_I2C)
12 int zynq_board_read_rom_ethaddr(unsigned char *ethaddr)
14 #if defined(CONFIG_ZYNQ_GEM_EEPROM_ADDR) && \
15 defined(CONFIG_ZYNQ_GEM_I2C_MAC_OFFSET) && \
16 defined(CONFIG_ZYNQ_EEPROM_BUS)
17 i2c_set_bus_num(CONFIG_ZYNQ_EEPROM_BUS);
19 if (eeprom_read(CONFIG_ZYNQ_GEM_EEPROM_ADDR,
20 CONFIG_ZYNQ_GEM_I2C_MAC_OFFSET,
22 printf("I2C EEPROM MAC address read failed\n");
29 int zynq_board_read_rom_ethaddr(unsigned char *ethaddr)
33 #if defined(CONFIG_ZYNQ_GEM_I2C_MAC_OFFSET)
37 eeprom = ofnode_get_chosen_node("xlnx,eeprom");
38 if (!ofnode_valid(eeprom))
41 debug("%s: Path to EEPROM %s\n", __func__,
42 ofnode_get_chosen_prop("xlnx,eeprom"));
44 ret = uclass_get_device_by_ofnode(UCLASS_I2C_EEPROM, eeprom, &dev);
48 ret = dm_i2c_read(dev, CONFIG_ZYNQ_GEM_I2C_MAC_OFFSET, ethaddr, 6);
50 debug("%s: I2C EEPROM MAC address read failed\n", __func__);
52 debug("%s: I2C EEPROM MAC %pM\n", __func__, ethaddr);