csu3_am335x/board-support/u-boot-2017.01+gitAUTOINC+340fb36f04-g340fb36f04/board/dnp5370/dnp5370.c

/*
 * 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\n");
	return 0;
}

#ifdef CONFIG_BFIN_MAC
static void board_init_enetaddr(uchar *mac_addr)
{
#ifndef CONFIG_SYS_NO_FLASH
	/* we cram the MAC in the last flash sector */
	uchar *board_mac_addr = (uchar *)0x202F0000;
	if (is_valid_ethaddr(board_mac_addr)) {
		memcpy(mac_addr, board_mac_addr, 6);
		eth_setenv_enetaddr("ethaddr", mac_addr);
	}
#endif
}

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;
}