u-boot/board/dnp5370/dnp5370.c

88 lines
1.8 KiB
C
Raw Normal View History

/*
* 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)
{
#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_ethaddr(board_mac_addr)) {
memcpy(mac_addr, board_mac_addr, 6);
valid_mac = true;
}
}
if (!valid_mac) {
puts("Warning: Generating 'random' MAC address\n");
net_random_ethaddr(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;
}