git.sur5r.net Git - u-boot/blob - board/amlogic/p212/p212.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 <asm/io.h>
  11 #include <asm/arch/gxbb.h>
  12 #include <asm/arch/sm.h>
  13 #include <phy.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         /* Set RMII mode */
  32         out_le32(GXBB_ETH_REG_0, GXBB_ETH_REG_0_INVERT_RMII_CLK |
  33                                  GXBB_ETH_REG_0_CLK_EN);
  34
  35         /* Use Internal PHY */
  36         out_le32(GXBB_ETH_REG_2, 0x10110181);
  37         out_le32(GXBB_ETH_REG_3, 0xe40908ff);
  38
  39         /* Enable power and clock gate */
  40         setbits_le32(GXBB_GCLK_MPEG_1, GXBB_GCLK_MPEG_1_ETH);
  41         clrbits_le32(GXBB_MEM_PD_REG_0, GXBB_MEM_PD_REG_0_ETH_MASK);
  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 }