board/bf537-stamp/bf537-stamp.c

   1 /*
   2  * U-boot - main board file
   3  *
   4  * Copyright (c) 2005-2008 Analog Devices Inc.
   5  *
   6  * (C) Copyright 2000-2004
   7  * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
   8  *
   9  * SPDX-License-Identifier:     GPL-2.0+
  10  */
  11
  12 #include <common.h>
  13 #include <config.h>
  14 #include <command.h>
  15 #include <asm/blackfin.h>
  16 #include <asm/net.h>
  17 #include <net.h>
  18 #include <asm/mach-common/bits/bootrom.h>
  19 #include <netdev.h>
  20
  21 DECLARE_GLOBAL_DATA_PTR;
  22
  23 int checkboard(void)
  24 {
  25         printf("Board: ADI BF537 stamp board\n");
  26         printf("       Support: http://blackfin.uclinux.org/\n");
  27         return 0;
  28 }
  29
  30 #ifdef CONFIG_BFIN_MAC
  31 static void board_init_enetaddr(uchar *mac_addr)
  32 {
  33 #ifdef CONFIG_SYS_NO_FLASH
  34 # define USE_MAC_IN_FLASH 0
  35 #else
  36 # define USE_MAC_IN_FLASH 1
  37 #endif
  38         bool valid_mac = false;
  39
  40         if (USE_MAC_IN_FLASH) {
  41                 /* we cram the MAC in the last flash sector */
  42                 uchar *board_mac_addr = (uchar *)0x203F0000;
  43                 if (is_valid_ether_addr(board_mac_addr)) {
  44                         memcpy(mac_addr, board_mac_addr, 6);
  45                         valid_mac = true;
  46                 }
  47         }
  48
  49         if (!valid_mac) {
  50                 puts("Warning: Generating 'random' MAC address\n");
  51                 bfin_gen_rand_mac(mac_addr);
  52         }
  53
  54         eth_setenv_enetaddr("ethaddr", mac_addr);
  55 }
  56
  57 int board_eth_init(bd_t *bis)
  58 {
  59         return bfin_EMAC_initialize(bis);
  60 }
  61 #endif
  62
  63 /* miscellaneous platform dependent initialisations */
  64 int misc_init_r(void)
  65 {
  66 #ifdef CONFIG_BFIN_MAC
  67         uchar enetaddr[6];
  68         if (!eth_getenv_enetaddr("ethaddr", enetaddr))
  69                 board_init_enetaddr(enetaddr);
  70 #endif
  71
  72 #ifndef CONFIG_SYS_NO_FLASH
  73         /* we use the last sector for the MAC address / POST LDR */
  74         extern flash_info_t flash_info[];
  75         flash_protect(FLAG_PROTECT_SET, 0x203F0000, 0x203FFFFF, &flash_info[0]);
  76 #endif
  77
  78 #ifdef CONFIG_BFIN_IDE
  79         cf_ide_init();
  80 #endif
  81
  82         return 0;
  83 }