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bootloader/u-boot_2015_04/board/dnp5370/dnp5370.c 1.77 KB
6b13f685e   김민수   BSP 최초 추가
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  /*
   * U-boot - main board file
   *
   * (C) Copyright 2010 3ality Digital Systems
   *
   * Copyright (c) 2005-2008 Analog Devices Inc.
   *
   * (C) Copyright 2000-2004
   * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
   *
   * SPDX-License-Identifier:	GPL-2.0+
   */
  
  #include <common.h>
  #include <config.h>
  #include <asm/blackfin.h>
  #include <net.h>
  #include <netdev.h>
  #include <asm/gpio.h>
  
  static void disable_external_watchdog(void)
  {
  #ifdef CONFIG_DNP5370_EXT_WD_DISABLE
  	/* disable external HW watchdog with PH13 = WD1 = 1 */
  	gpio_request(GPIO_PH13, "ext_wd");
  	gpio_direction_output(GPIO_PH13, 1);
  #endif
  }
  
  int checkboard(void)
  {
  	printf("Board: SSV DilNet DNP5370
  ");
  	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 *)0x202F0000;
  		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
  
  /* miscellaneous platform dependent initialisations */
  int misc_init_r(void)
  {
  	disable_external_watchdog();
  
  #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, 0x202F0000, 0x202FFFFF, &flash_info[0]);
  #endif
  
  	return 0;
  }