board/amlogic/khadas-vim/khadas-vim.c

   1 /*
   2  * Copyright (C) 2016 BayLibre, SAS
   3  * Author: Neil Armstrong <narmstrong@baylibre.com>
   4  *
   5  * SPDX-License-Identifier:     GPL-2.0+
   6  */
   7
   8 #include <common.h>
   9 #include <dm.h>
  10 #include <environment.h>
  11 #include <asm/io.h>
  12 #include <asm/arch/gxbb.h>
  13 #include <asm/arch/mem.h>
  14 #include <asm/arch/sm.h>
  15 #include <asm/arch/eth.h>
  16
  17 #define EFUSE_SN_OFFSET         20
  18 #define EFUSE_SN_SIZE           16
  19 #define EFUSE_MAC_OFFSET        52
  20 #define EFUSE_MAC_SIZE          6
  21
  22 int board_init(void)
  23 {
  24         return 0;
  25 }
  26
  27 int misc_init_r(void)
  28 {
  29         u8 mac_addr[EFUSE_MAC_SIZE];
  30         char serial[EFUSE_SN_SIZE];
  31         ssize_t len;
  32
  33         meson_gx_eth_init(PHY_INTERFACE_MODE_RMII,
  34                           MESON_GXL_USE_INTERNAL_RMII_PHY);
  35
  36         if (!eth_env_get_enetaddr("ethaddr", mac_addr)) {
  37                 len = meson_sm_read_efuse(EFUSE_MAC_OFFSET,
  38                                           mac_addr, EFUSE_MAC_SIZE);
  39                 if (len == EFUSE_MAC_SIZE && is_valid_ethaddr(mac_addr))
  40                         eth_env_set_enetaddr("ethaddr", mac_addr);
  41         }
  42
  43         if (!env_get("serial#")) {
  44                 len = meson_sm_read_efuse(EFUSE_SN_OFFSET, serial,
  45                                           EFUSE_SN_SIZE);
  46                 if (len == EFUSE_SN_SIZE)
  47                         env_set("serial#", serial);
  48         }
  49
  50         return 0;
  51 }
  52
  53 int ft_board_setup(void *blob, bd_t *bd)
  54 {
  55         meson_gx_init_reserved_memory(blob);
  56
  57         return 0;
  58 }