LXR uboot/board/amlogic/odroid-c2/odroid-c2.c

   1// SPDX-License-Identifier: GPL-2.0+
   2/*
   3 * (C) Copyright 2016 Beniamino Galvani <b.galvani@gmail.com>
   4 */
   5
   6#include <common.h>
   7#include <dm.h>
   8#include <environment.h>
   9#include <asm/io.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>
  14
  15#define EFUSE_SN_OFFSET         20
  16#define EFUSE_SN_SIZE           16
  17#define EFUSE_MAC_OFFSET        52
  18#define EFUSE_MAC_SIZE          6
  19
  20int misc_init_r(void)
  21{
  22        u8 mac_addr[EFUSE_MAC_SIZE];
  23        char serial[EFUSE_SN_SIZE];
  24        ssize_t len;
  25
  26        meson_eth_init(PHY_INTERFACE_MODE_RGMII, 0);
  27
  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);
  33        }
  34
  35        if (!env_get("serial#")) {
  36                len = meson_sm_read_efuse(EFUSE_SN_OFFSET, serial,
  37                        EFUSE_SN_SIZE);
  38                if (len == EFUSE_SN_SIZE)
  39                        env_set("serial#", serial);
  40        }
  41
  42        return 0;
  43}
  44