LXR uboot/board/bf526-ezbrd/bf526-ezbrd.c

   1/*
   2 * U-boot - main board file
   3 *
   4 * Copyright (c) 2005-2009 Analog Devices Inc.
   5 *
   6 * Licensed under the GPL-2 or later.
   7 */
   8
   9#include <common.h>
  10#include <config.h>
  11#include <command.h>
  12#include <net.h>
  13#include <netdev.h>
  14#include <asm/blackfin.h>
  15#include <asm/net.h>
  16#include <asm/mach-common/bits/otp.h>
  17
  18DECLARE_GLOBAL_DATA_PTR;
  19
  20int checkboard(void)
  21{
  22        printf("Board: ADI BF526 EZ-Board board\n");
  23        printf("       Support: http://blackfin.uclinux.org/\n");
  24        return 0;
  25}
  26
  27#ifdef CONFIG_BFIN_MAC
  28static void board_init_enetaddr(uchar *mac_addr)
  29{
  30#ifdef CONFIG_SYS_NO_FLASH
  31# define USE_MAC_IN_FLASH 0
  32#else
  33# define USE_MAC_IN_FLASH 1
  34#endif
  35        bool valid_mac = false;
  36
  37        if (USE_MAC_IN_FLASH) {
  38                /* we cram the MAC in the last flash sector */
  39                uchar *board_mac_addr = (uchar *)0x203F0096;
  40                if (is_valid_ether_addr(board_mac_addr)) {
  41                        memcpy(mac_addr, board_mac_addr, 6);
  42                        valid_mac = true;
  43                }
  44        }
  45
  46        if (!valid_mac) {
  47                puts("Warning: Generating 'random' MAC address\n");
  48                bfin_gen_rand_mac(mac_addr);
  49        }
  50
  51        eth_setenv_enetaddr("ethaddr", mac_addr);
  52}
  53
  54int board_eth_init(bd_t *bis)
  55{
  56        return bfin_EMAC_initialize(bis);
  57}
  58#endif
  59
  60int misc_init_r(void)
  61{
  62#ifdef CONFIG_BFIN_MAC
  63        uchar enetaddr[6];
  64        if (!eth_getenv_enetaddr("ethaddr", enetaddr))
  65                board_init_enetaddr(enetaddr);
  66#endif
  67
  68#ifndef CONFIG_SYS_NO_FLASH
  69        /* we use the last sector for the MAC address / POST LDR */
  70        extern flash_info_t flash_info[];
  71        flash_protect(FLAG_PROTECT_SET, 0x203F0000, 0x203FFFFF, &flash_info[0]);
  72#endif
  73
  74        return 0;
  75}
  76