board/amlogic/nanopi-k2/nanopi-k2.c

   1 // SPDX-License-Identifier: GPL-2.0+
   2 /*
   3  * (C) Copyright 2018 Thomas McKahan
   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
  20 int board_init(void)
  21 {
  22         return 0;
  23 }
  24
  25 int misc_init_r(void)
  26 {
  27         u8 mac_addr[EFUSE_MAC_SIZE];
  28         char serial[EFUSE_SN_SIZE];
  29         ssize_t len;
  30
  31         meson_gx_eth_init(PHY_INTERFACE_MODE_RGMII, 0);
  32
  33         if (!eth_env_get_enetaddr("ethaddr", mac_addr)) {
  34                 len = meson_sm_read_efuse(EFUSE_MAC_OFFSET,
  35                                           mac_addr, EFUSE_MAC_SIZE);
  36                 if (len == EFUSE_MAC_SIZE && is_valid_ethaddr(mac_addr))
  37                         eth_env_set_enetaddr("ethaddr", mac_addr);
  38         }
  39
  40         if (!env_get("serial#")) {
  41                 len = meson_sm_read_efuse(EFUSE_SN_OFFSET, serial,
  42                         EFUSE_SN_SIZE);
  43                 if (len == EFUSE_SN_SIZE)
  44                         env_set("serial#", serial);
  45         }
  46
  47         return 0;
  48 }
  49
  50 int ft_board_setup(void *blob, bd_t *bd)
  51 {
  52         meson_gx_init_reserved_memory(blob);
  53
  54         return 0;
  55 }