1 // SPDX-License-Identifier: GPL-2.0+
3 * Copyright (C) 2016 BayLibre, SAS
4 * Author: Neil Armstrong <narmstrong@baylibre.com>
12 #include <asm/arch/gx.h>
13 #include <asm/arch/sm.h>
14 #include <asm/arch/eth.h>
15 #include <asm/arch/mem.h>
17 #define EFUSE_SN_OFFSET 20
18 #define EFUSE_SN_SIZE 16
19 #define EFUSE_MAC_OFFSET 52
20 #define EFUSE_MAC_SIZE 6
24 u8 mac_addr[EFUSE_MAC_SIZE];
25 char serial[EFUSE_SN_SIZE];
28 meson_eth_init(PHY_INTERFACE_MODE_RMII,
29 MESON_USE_INTERNAL_RMII_PHY);
31 if (!eth_env_get_enetaddr("ethaddr", mac_addr)) {
32 len = meson_sm_read_efuse(EFUSE_MAC_OFFSET,
33 mac_addr, EFUSE_MAC_SIZE);
34 if (len == EFUSE_MAC_SIZE && is_valid_ethaddr(mac_addr))
35 eth_env_set_enetaddr("ethaddr", mac_addr);
37 meson_generate_serial_ethaddr();
40 if (!env_get("serial#")) {
41 len = meson_sm_read_efuse(EFUSE_SN_OFFSET, serial,
43 if (len == EFUSE_SN_SIZE)
44 env_set("serial#", serial);