1// SPDX-License-Identifier: GPL-2.0+ 2/* 3 * Copyright (C) 2021 Vyacheslav Bocharov 4 * Author: Vyacheslav Bocharov <adeep@lexina.in> 5 */ 6 7#include <common.h> 8#include <dm.h> 9#include <init.h> 10#include <net.h> 11#include <asm/io.h> 12#include <asm/arch/axg.h> 13#include <asm/arch/sm.h> 14#include <asm/arch/eth.h> 15#include <asm/arch/mem.h> 16#include <u-boot/crc.h> 17 18int misc_init_r(void) 19{ 20 u8 mac_addr[ARP_HLEN + 1]; 21 char serial[SM_SERIAL_SIZE]; 22 u32 sid; 23 24 if (!meson_sm_get_serial(serial, SM_SERIAL_SIZE)) { 25 sid = crc32(0, (unsigned char *)serial, SM_SERIAL_SIZE); 26 /* Ensure the NIC specific bytes of the mac are not all 0 */ 27 if ((sid & 0xffff) == 0) 28 sid |= 0x800000; 29 30 /* OUI registered MAC address */ 31 mac_addr[0] = 0x10; 32 mac_addr[1] = 0x27; 33 mac_addr[2] = 0xBE; 34 mac_addr[3] = (sid >> 16) & 0xff; 35 mac_addr[4] = (sid >> 8) & 0xff; 36 mac_addr[5] = (sid >> 0) & 0xff; 37 mac_addr[ARP_HLEN] = '\0'; 38 39 eth_env_set_enetaddr("ethaddr", mac_addr); 40 } 41 42 return 0; 43} 44