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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 *
11 * See file CREDITS for list of people who contributed to this
12 * project.
13 *
14 * This program is free software; you can redistribute it and/or
15 * modify it under the terms of the GNU General Public License as
16 * published by the Free Software Foundation; either version 2 of
17 * the License, or (at your option) any later version.
18 *
19 * This program is distributed in the hope that it will be useful,
20 * but WITHOUT ANY WARRANTY; without even the implied warranty of
21 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
22 * GNU General Public License for more details.
23 *
24 * You should have received a copy of the GNU General Public License
25 * along with this program; if not, write to the Free Software
26 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston,
27 * MA 02110-1301 USA
28 */
29
30#include <common.h>
31#include <config.h>
32#include <asm/blackfin.h>
33#include <asm/net.h>
34#include <net.h>
35#include <netdev.h>
36#include <asm/gpio.h>
37
38static void disable_external_watchdog(void)
39{
40#ifdef CONFIG_DNP5370_EXT_WD_DISABLE
41 /* disable external HW watchdog with PH13 = WD1 = 1 */
42 gpio_request(GPIO_PH13, "ext_wd");
43 gpio_direction_output(GPIO_PH13, 1);
44#endif
45}
46
47int checkboard(void)
48{
49 printf("Board: SSV DilNet DNP5370\n");
50 return 0;
51}
52
53#ifdef CONFIG_BFIN_MAC
54static void board_init_enetaddr(uchar *mac_addr)
55{
56#ifdef CONFIG_SYS_NO_FLASH
57# define USE_MAC_IN_FLASH 0
58#else
59# define USE_MAC_IN_FLASH 1
60#endif
61 bool valid_mac = false;
62
63 if (USE_MAC_IN_FLASH) {
64 /* we cram the MAC in the last flash sector */
65 uchar *board_mac_addr = (uchar *)0x202F0000;
66 if (is_valid_ether_addr(board_mac_addr)) {
67 memcpy(mac_addr, board_mac_addr, 6);
68 valid_mac = true;
69 }
70 }
71
72 if (!valid_mac) {
73 puts("Warning: Generating 'random' MAC address\n");
74 bfin_gen_rand_mac(mac_addr);
75 }
76
77 eth_setenv_enetaddr("ethaddr", mac_addr);
78}
79
80int board_eth_init(bd_t *bis)
81{
82 return bfin_EMAC_initialize(bis);
83}
84#endif
85
86/* miscellaneous platform dependent initialisations */
87int misc_init_r(void)
88{
89 disable_external_watchdog();
90
91#ifdef CONFIG_BFIN_MAC
92 uchar enetaddr[6];
93 if (!eth_getenv_enetaddr("ethaddr", enetaddr))
94 board_init_enetaddr(enetaddr);
95#endif
96
97#ifndef CONFIG_SYS_NO_FLASH
98 /* we use the last sector for the MAC address / POST LDR */
99 extern flash_info_t flash_info[];
100 flash_protect(FLAG_PROTECT_SET, 0x202F0000, 0x202FFFFF, &flash_info[0]);
101#endif
102
103 return 0;
104}