board/tcm-bf518/tcm-bf518.c

   1 /*
   2  * U-boot - main board file
   3  *
   4  * Copyright (c) 2008-2009 Analog Devices Inc.
   5  *
   6  * Licensed under the GPL-2 or later.
   7  */
   8
   9 #include <common.h>
  10 #include <config.h>
  11 #include <net.h>
  12 #include <netdev.h>
  13 #include <asm/blackfin.h>
  14 #include <asm/mach-common/bits/otp.h>
  15 #include <asm/sdh.h>
  16
  17 int checkboard(void)
  18 {
  19         printf("Board: Bluetechnix TCM-BF518 board\n");
  20         printf("       Support: http://www.bluetechnix.com/\n");
  21         printf("                http://blackfin.uclinux.org/\n");
  22         return 0;
  23 }
  24
  25 #if defined(CONFIG_BFIN_MAC)
  26 static void board_init_enetaddr(uchar *mac_addr)
  27 {
  28         bool valid_mac = false;
  29
  30 #if 0
  31         /* the MAC is stored in OTP memory page 0xDF */
  32         uint32_t ret;
  33         uint64_t otp_mac;
  34
  35         ret = bfrom_OtpRead(0xDF, OTP_LOWER_HALF, &otp_mac);
  36         if (!(ret & OTP_MASTER_ERROR)) {
  37                 uchar *otp_mac_p = (uchar *)&otp_mac;
  38
  39                 for (ret = 0; ret < 6; ++ret)
  40                         mac_addr[ret] = otp_mac_p[5 - ret];
  41
  42                 if (is_valid_ether_addr(mac_addr))
  43                         valid_mac = true;
  44         }
  45 #endif
  46
  47         if (!valid_mac) {
  48                 puts("Warning: Generating 'random' MAC address\n");
  49                 eth_random_addr(mac_addr);
  50         }
  51
  52         eth_setenv_enetaddr("ethaddr", mac_addr);
  53 }
  54
  55 int board_eth_init(bd_t *bis)
  56 {
  57         return bfin_EMAC_initialize(bis);
  58 }
  59 #endif
  60
  61 int misc_init_r(void)
  62 {
  63 #ifdef CONFIG_BFIN_MAC
  64         uchar enetaddr[6];
  65         if (!eth_getenv_enetaddr("ethaddr", enetaddr))
  66                 board_init_enetaddr(enetaddr);
  67 #endif
  68
  69         return 0;
  70 }
  71
  72 #ifdef CONFIG_BFIN_SDH
  73 int board_mmc_init(bd_t *bis)
  74 {
  75         return bfin_mmc_init(bis);
  76 }
  77 #endif