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Andreas Schallenberg2fc32de2010-11-17 13:51:33 -05001/*
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 *
Wolfgang Denk1a459662013-07-08 09:37:19 +020011 * SPDX-License-Identifier: GPL-2.0+
Andreas Schallenberg2fc32de2010-11-17 13:51:33 -050012 */
13
14#include <common.h>
15#include <config.h>
16#include <asm/blackfin.h>
Andreas Schallenberg2fc32de2010-11-17 13:51:33 -050017#include <net.h>
18#include <netdev.h>
19#include <asm/gpio.h>
20
21static 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
30int checkboard(void)
31{
32 printf("Board: SSV DilNet DNP5370\n");
33 return 0;
34}
35
36#ifdef CONFIG_BFIN_MAC
37static void board_init_enetaddr(uchar *mac_addr)
38{
39#ifdef CONFIG_SYS_NO_FLASH
40# define USE_MAC_IN_FLASH 0
41#else
42# define USE_MAC_IN_FLASH 1
43#endif
44 bool valid_mac = false;
45
46 if (USE_MAC_IN_FLASH) {
47 /* we cram the MAC in the last flash sector */
48 uchar *board_mac_addr = (uchar *)0x202F0000;
Joe Hershberger0adb5b72015-04-08 01:41:04 -050049 if (is_valid_ethaddr(board_mac_addr)) {
Andreas Schallenberg2fc32de2010-11-17 13:51:33 -050050 memcpy(mac_addr, board_mac_addr, 6);
51 valid_mac = true;
52 }
53 }
54
55 if (!valid_mac) {
56 puts("Warning: Generating 'random' MAC address\n");
Joe Hershberger0adb5b72015-04-08 01:41:04 -050057 net_random_ethaddr(mac_addr);
Andreas Schallenberg2fc32de2010-11-17 13:51:33 -050058 }
59
60 eth_setenv_enetaddr("ethaddr", mac_addr);
61}
62
63int board_eth_init(bd_t *bis)
64{
65 return bfin_EMAC_initialize(bis);
66}
67#endif
68
69/* miscellaneous platform dependent initialisations */
70int misc_init_r(void)
71{
72 disable_external_watchdog();
73
74#ifdef CONFIG_BFIN_MAC
75 uchar enetaddr[6];
76 if (!eth_getenv_enetaddr("ethaddr", enetaddr))
77 board_init_enetaddr(enetaddr);
78#endif
79
80#ifndef CONFIG_SYS_NO_FLASH
81 /* we use the last sector for the MAC address / POST LDR */
82 extern flash_info_t flash_info[];
83 flash_protect(FLAG_PROTECT_SET, 0x202F0000, 0x202FFFFF, &flash_info[0]);
84#endif
85
86 return 0;
87}