LXR uboot/board/cm-bf527/cm-bf527.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 <net.h>
  12#include <netdev.h>
  13#include <asm/blackfin.h>
  14#include <asm/mach-common/bits/otp.h>
  15#include "../cm-bf537e/gpio_cfi_flash.h"
  16
  17DECLARE_GLOBAL_DATA_PTR;
  18
  19int checkboard(void)
  20{
  21        printf("Board: Bluetechnix CM-BF527 board\n");
  22        printf("       Support: http://www.bluetechnix.at/\n");
  23        return 0;
  24}
  25
  26#ifdef CONFIG_BFIN_MAC
  27static void board_init_enetaddr(uchar *mac_addr)
  28{
  29        bool valid_mac = false;
  30
  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
  46        if (!valid_mac) {
  47                puts("Warning: Generating 'random' MAC address\n");
  48                eth_random_addr(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        gpio_cfi_flash_init();
  69
  70        return 0;
  71}
  72