git.sur5r.net Git - u-boot/blob - 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 <asm/io.h>
  10 #include <asm/arch/gxbb.h>
  11 #include <asm/arch/sm.h>
  12 #include <asm/arch/eth.h>
  13
  14 #define EFUSE_SN_OFFSET         20
  15 #define EFUSE_SN_SIZE           16
  16 #define EFUSE_MAC_OFFSET        52
  17 #define EFUSE_MAC_SIZE          6
  18
  19 int board_init(void)
  20 {
  21         return 0;
  22 }
  23
  24 int misc_init_r(void)
  25 {
  26         u8 mac_addr[EFUSE_MAC_SIZE];
  27         char serial[EFUSE_SN_SIZE];
  28         ssize_t len;
  29
  30         meson_gx_eth_init(PHY_INTERFACE_MODE_RGMII, 0);
  31
  32         /* Enable power and clock gate */
  33         setbits_le32(GXBB_GCLK_MPEG_0, GXBB_GCLK_MPEG_0_I2C);
  34
  35         /* Reset PHY on GPIOZ_14 */
  36         clrbits_le32(GXBB_GPIO_EN(3), BIT(14));
  37         clrbits_le32(GXBB_GPIO_OUT(3), BIT(14));
  38         mdelay(10);
  39         setbits_le32(GXBB_GPIO_OUT(3), BIT(14));
  40
  41         if (!eth_env_get_enetaddr("ethaddr", mac_addr)) {
  42                 len = meson_sm_read_efuse(EFUSE_MAC_OFFSET,
  43                                           mac_addr, EFUSE_MAC_SIZE);
  44                 if (len == EFUSE_MAC_SIZE && is_valid_ethaddr(mac_addr))
  45                         eth_env_set_enetaddr("ethaddr", mac_addr);
  46         }
  47
  48         if (!env_get("serial#")) {
  49                 len = meson_sm_read_efuse(EFUSE_SN_OFFSET, serial,
  50                         EFUSE_SN_SIZE);
  51                 if (len == EFUSE_SN_SIZE)
  52                         env_set("serial#", serial);
  53         }
  54
  55         return 0;
  56 }