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

   1 /*
   2  * (C) Copyright 2016 Beniamino Galvani <b.galvani@gmail.com>
   3  *
   4  * SPDX-License-Identifier:     GPL-2.0+
   5  */
   6
   7 #include <common.h>
   8 #include <dm.h>
   9 #include <environment.h>
  10 #include <asm/io.h>
  11 #include <asm/arch/gxbb.h>
  12 #include <asm/arch/sm.h>
  13 #include <asm/arch/eth.h>
  14 #include <asm/arch/mem.h>
  15
  16 #define EFUSE_SN_OFFSET         20
  17 #define EFUSE_SN_SIZE           16
  18 #define EFUSE_MAC_OFFSET        52
  19 #define EFUSE_MAC_SIZE          6
  20
  21 int board_init(void)
  22 {
  23         return 0;
  24 }
  25
  26 int misc_init_r(void)
  27 {
  28         u8 mac_addr[EFUSE_MAC_SIZE];
  29         char serial[EFUSE_SN_SIZE];
  30         ssize_t len;
  31
  32         meson_gx_eth_init(PHY_INTERFACE_MODE_RGMII, 0);
  33
  34         /* Enable power and clock gate */
  35         setbits_le32(GXBB_GCLK_MPEG_0, GXBB_GCLK_MPEG_0_I2C);
  36
  37         /* Reset PHY on GPIOZ_14 */
  38         clrbits_le32(GXBB_GPIO_EN(3), BIT(14));
  39         clrbits_le32(GXBB_GPIO_OUT(3), BIT(14));
  40         mdelay(10);
  41         setbits_le32(GXBB_GPIO_OUT(3), BIT(14));
  42
  43         if (!eth_env_get_enetaddr("ethaddr", mac_addr)) {
  44                 len = meson_sm_read_efuse(EFUSE_MAC_OFFSET,
  45                                           mac_addr, EFUSE_MAC_SIZE);
  46                 if (len == EFUSE_MAC_SIZE && is_valid_ethaddr(mac_addr))
  47                         eth_env_set_enetaddr("ethaddr", mac_addr);
  48         }
  49
  50         if (!env_get("serial#")) {
  51                 len = meson_sm_read_efuse(EFUSE_SN_OFFSET, serial,
  52                         EFUSE_SN_SIZE);
  53                 if (len == EFUSE_SN_SIZE)
  54                         env_set("serial#", serial);
  55         }
  56
  57         return 0;
  58 }
  59
  60 int ft_board_setup(void *blob, bd_t *bd)
  61 {
  62         meson_gx_init_reserved_memory(blob);
  63
  64         return 0;
  65 }