1 // SPDX-License-Identifier: GPL-2.0+
3 * (C) Copyright 2016 Beniamino Galvani <b.galvani@gmail.com>
8 #include <environment.h>
10 #include <asm/arch/gx.h>
11 #include <asm/arch/sm.h>
12 #include <asm/arch/eth.h>
13 #include <asm/arch/mem.h>
15 #define EFUSE_SN_OFFSET 20
16 #define EFUSE_SN_SIZE 16
17 #define EFUSE_MAC_OFFSET 52
18 #define EFUSE_MAC_SIZE 6
22 u8 mac_addr[EFUSE_MAC_SIZE];
23 char serial[EFUSE_SN_SIZE];
26 meson_eth_init(PHY_INTERFACE_MODE_RGMII, 0);
28 if (!eth_env_get_enetaddr("ethaddr", mac_addr)) {
29 len = meson_sm_read_efuse(EFUSE_MAC_OFFSET,
30 mac_addr, EFUSE_MAC_SIZE);
31 if (len == EFUSE_MAC_SIZE && is_valid_ethaddr(mac_addr))
32 eth_env_set_enetaddr("ethaddr", mac_addr);
35 if (!env_get("serial#")) {
36 len = meson_sm_read_efuse(EFUSE_SN_OFFSET, serial,
38 if (len == EFUSE_SN_SIZE)
39 env_set("serial#", serial);