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bootloader/u-boot_2015_04/board/bf526-ezbrd/bf526-ezbrd.c 1.46 KB
6b13f685e   김민수   BSP 최초 추가
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  /*
   * U-boot - main board file
   *
   * Copyright (c) 2005-2009 Analog Devices Inc.
   *
   * Licensed under the GPL-2 or later.
   */
  
  #include <common.h>
  #include <config.h>
  #include <command.h>
  #include <net.h>
  #include <netdev.h>
  #include <asm/blackfin.h>
  #include <asm/mach-common/bits/otp.h>
  
  DECLARE_GLOBAL_DATA_PTR;
  
  int checkboard(void)
  {
  	printf("Board: ADI BF526 EZ-Board board
  ");
  	printf("       Support: http://blackfin.uclinux.org/
  ");
  	return 0;
  }
  
  #ifdef CONFIG_BFIN_MAC
  static void board_init_enetaddr(uchar *mac_addr)
  {
  #ifdef CONFIG_SYS_NO_FLASH
  # define USE_MAC_IN_FLASH 0
  #else
  # define USE_MAC_IN_FLASH 1
  #endif
  	bool valid_mac = false;
  
  	if (USE_MAC_IN_FLASH) {
  		/* we cram the MAC in the last flash sector */
  		uchar *board_mac_addr = (uchar *)0x203F0096;
  		if (is_valid_ether_addr(board_mac_addr)) {
  			memcpy(mac_addr, board_mac_addr, 6);
  			valid_mac = true;
  		}
  	}
  
  	if (!valid_mac) {
  		puts("Warning: Generating 'random' MAC address
  ");
  		eth_random_addr(mac_addr);
  	}
  
  	eth_setenv_enetaddr("ethaddr", mac_addr);
  }
  
  int board_eth_init(bd_t *bis)
  {
  	return bfin_EMAC_initialize(bis);
  }
  #endif
  
  int misc_init_r(void)
  {
  #ifdef CONFIG_BFIN_MAC
  	uchar enetaddr[6];
  	if (!eth_getenv_enetaddr("ethaddr", enetaddr))
  		board_init_enetaddr(enetaddr);
  #endif
  
  #ifndef CONFIG_SYS_NO_FLASH
  	/* we use the last sector for the MAC address / POST LDR */
  	extern flash_info_t flash_info[];
  	flash_protect(FLAG_PROTECT_SET, 0x203F0000, 0x203FFFFF, &flash_info[0]);
  #endif
  
  	return 0;
  }