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