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         /* Reset PHY on GPIOZ_14 */
  34         clrbits_le32(GX_GPIO_EN(3), BIT(14));
  35         clrbits_le32(GX_GPIO_OUT(3), BIT(14));
  36         mdelay(10);
  37         setbits_le32(GX_GPIO_OUT(3), BIT(14));
  38
  39         if (!eth_env_get_enetaddr("ethaddr", mac_addr)) {
  40                 len = meson_sm_read_efuse(EFUSE_MAC_OFFSET,
  41                                           mac_addr, EFUSE_MAC_SIZE);
  42                 if (len == EFUSE_MAC_SIZE && is_valid_ethaddr(mac_addr))
  43                         eth_env_set_enetaddr("ethaddr", mac_addr);
  44         }
  45
  46         if (!env_get("serial#")) {
  47                 len = meson_sm_read_efuse(EFUSE_SN_OFFSET, serial,
  48                         EFUSE_SN_SIZE);
  49                 if (len == EFUSE_SN_SIZE)
  50                         env_set("serial#", serial);
  51         }
  52
  53         return 0;
  54 }
  55
  56 int ft_board_setup(void *blob, bd_t *bd)
  57 {
  58         meson_gx_init_reserved_memory(blob);
  59
  60         return 0;
  61 }