// SPDX-License-Identifier: GPL-2.0+ /* * (C) Copyright 2016 Beniamino Galvani <b.galvani@gmail.com> */ #include <common.h> #include <dm.h> #include <environment.h> #include <asm/io.h> #include <asm/arch/gx.h> #include <asm/arch/sm.h> #include <asm/arch/eth.h> #include <asm/arch/mem.h> #define EFUSE_SN_OFFSET 20 #define EFUSE_SN_SIZE 16 #define EFUSE_MAC_OFFSET 52 #define EFUSE_MAC_SIZE 6 int misc_init_r(void) { u8 mac_addr[EFUSE_MAC_SIZE]; char serial[EFUSE_SN_SIZE]; ssize_t len; meson_eth_init(PHY_INTERFACE_MODE_RGMII, 0); if (!eth_env_get_enetaddr("ethaddr", mac_addr)) { len = meson_sm_read_efuse(EFUSE_MAC_OFFSET, mac_addr, EFUSE_MAC_SIZE); if (len == EFUSE_MAC_SIZE && is_valid_ethaddr(mac_addr)) eth_env_set_enetaddr("ethaddr", mac_addr); } if (!env_get("serial#")) { len = meson_sm_read_efuse(EFUSE_SN_OFFSET, serial, EFUSE_SN_SIZE); if (len == EFUSE_SN_SIZE) env_set("serial#", serial); } return 0; }