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 <net.h>
  17 #include <asm/mach-common/bits/bootrom.h>
  18 #include <netdev.h>
  19
  20 DECLARE_GLOBAL_DATA_PTR;
  21
  22 int checkboard(void)
  23 {
  24         printf("Board: ADI BF537 stamp board\n");
  25         printf("       Support: http://blackfin.uclinux.org/\n");
  26         return 0;
  27 }
  28
  29 #ifdef CONFIG_BFIN_MAC
  30 static void board_init_enetaddr(uchar *mac_addr)
  31 {
  32 #ifdef CONFIG_SYS_NO_FLASH
  33 # define USE_MAC_IN_FLASH 0
  34 #else
  35 # define USE_MAC_IN_FLASH 1
  36 #endif
  37         bool valid_mac = false;
  38
  39         if (USE_MAC_IN_FLASH) {
  40                 /* we cram the MAC in the last flash sector */
  41                 uchar *board_mac_addr = (uchar *)0x203F0000;
  42                 if (is_valid_ether_addr(board_mac_addr)) {
  43                         memcpy(mac_addr, board_mac_addr, 6);
  44                         valid_mac = true;
  45                 }
  46         }
  47
  48         if (!valid_mac) {
  49                 puts("Warning: Generating 'random' MAC address\n");
  50                 eth_random_addr(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 /* miscellaneous platform dependent initialisations */
  63 int misc_init_r(void)
  64 {
  65 #ifdef CONFIG_BFIN_MAC
  66         uchar enetaddr[6];
  67         if (!eth_getenv_enetaddr("ethaddr", enetaddr))
  68                 board_init_enetaddr(enetaddr);
  69 #endif
  70
  71 #ifndef CONFIG_SYS_NO_FLASH
  72         /* we use the last sector for the MAC address / POST LDR */
  73         extern flash_info_t flash_info[];
  74         flash_protect(FLAG_PROTECT_SET, 0x203F0000, 0x203FFFFF, &flash_info[0]);
  75 #endif
  76
  77 #ifdef CONFIG_BFIN_IDE
  78         cf_ide_init();
  79 #endif
  80
  81         return 0;
  82 }