board/dnp5370/dnp5370.c

   1 /*
   2  * U-boot - main board file
   3  *
   4  * (C) Copyright 2010 3ality Digital Systems
   5  *
   6  * Copyright (c) 2005-2008 Analog Devices Inc.
   7  *
   8  * (C) Copyright 2000-2004
   9  * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
  10  *
  11  * SPDX-License-Identifier:     GPL-2.0+
  12  */
  13
  14 #include <common.h>
  15 #include <config.h>
  16 #include <asm/blackfin.h>
  17 #include <net.h>
  18 #include <netdev.h>
  19 #include <asm/gpio.h>
  20
  21 static void disable_external_watchdog(void)
  22 {
  23 #ifdef CONFIG_DNP5370_EXT_WD_DISABLE
  24         /* disable external HW watchdog with PH13 = WD1 = 1 */
  25         gpio_request(GPIO_PH13, "ext_wd");
  26         gpio_direction_output(GPIO_PH13, 1);
  27 #endif
  28 }
  29
  30 int checkboard(void)
  31 {
  32         printf("Board: SSV DilNet DNP5370\n");
  33         return 0;
  34 }
  35
  36 #ifdef CONFIG_BFIN_MAC
  37 static void board_init_enetaddr(uchar *mac_addr)
  38 {
  39 #ifndef CONFIG_SYS_NO_FLASH
  40         /* we cram the MAC in the last flash sector */
  41         uchar *board_mac_addr = (uchar *)0x202F0000;
  42         if (is_valid_ethaddr(board_mac_addr)) {
  43                 memcpy(mac_addr, board_mac_addr, 6);
  44                 eth_setenv_enetaddr("ethaddr", mac_addr);
  45         }
  46 #endif
  47 }
  48
  49 int board_eth_init(bd_t *bis)
  50 {
  51         return bfin_EMAC_initialize(bis);
  52 }
  53 #endif
  54
  55 /* miscellaneous platform dependent initialisations */
  56 int misc_init_r(void)
  57 {
  58         disable_external_watchdog();
  59
  60 #ifdef CONFIG_BFIN_MAC
  61         uchar enetaddr[6];
  62         if (!eth_getenv_enetaddr("ethaddr", enetaddr))
  63                 board_init_enetaddr(enetaddr);
  64 #endif
  65
  66 #ifndef CONFIG_SYS_NO_FLASH
  67         /* we use the last sector for the MAC address / POST LDR */
  68         extern flash_info_t flash_info[];
  69         flash_protect(FLAG_PROTECT_SET, 0x202F0000, 0x202FFFFF, &flash_info[0]);
  70 #endif
  71
  72         return 0;
  73 }