blob: a911880ee3d9507feab190ae44a3ff735785de6e [file] [log] [blame]
Mike Frysingerd9a5d112008-10-12 20:59:12 -04001/*
2 * U-boot - main board file
3 *
4 * Copyright (c) 2005-2009 Analog Devices Inc.
5 *
6 * Licensed under the GPL-2 or later.
7 */
8
9#include <common.h>
10#include <config.h>
11#include <command.h>
12#include <net.h>
13#include <netdev.h>
14#include <asm/blackfin.h>
15#include <asm/net.h>
16#include <asm/mach-common/bits/otp.h>
17
18DECLARE_GLOBAL_DATA_PTR;
19
20int checkboard(void)
21{
22 printf("Board: ADI BF527 EZ-Kit board\n");
23 printf(" Support: http://blackfin.uclinux.org/\n");
24 return 0;
25}
26
Mike Frysingerd9a5d112008-10-12 20:59:12 -040027#ifdef CONFIG_BFIN_MAC
28static void board_init_enetaddr(uchar *mac_addr)
29{
30 bool valid_mac = false;
31
32 /* the MAC is stored in OTP memory page 0xDF */
33 uint32_t ret;
34 uint64_t otp_mac;
35
36 ret = bfrom_OtpRead(0xDF, OTP_LOWER_HALF, &otp_mac);
37 if (!(ret & OTP_MASTER_ERROR)) {
38 uchar *otp_mac_p = (uchar *)&otp_mac;
39
40 for (ret = 0; ret < 6; ++ret)
41 mac_addr[ret] = otp_mac_p[5 - ret];
42
43 if (is_valid_ether_addr(mac_addr))
44 valid_mac = true;
45 }
46
47 if (!valid_mac) {
48 puts("Warning: Generating 'random' MAC address\n");
49 bfin_gen_rand_mac(mac_addr);
50 }
51
52 eth_setenv_enetaddr("ethaddr", mac_addr);
53}
54
55int board_eth_init(bd_t *bis)
56{
57 return bfin_EMAC_initialize(bis);
58}
59#endif
60
61int misc_init_r(void)
62{
63#ifdef CONFIG_BFIN_MAC
64 uchar enetaddr[6];
65 if (!eth_getenv_enetaddr("ethaddr", enetaddr))
66 board_init_enetaddr(enetaddr);
67#endif
68
69 return 0;
70}
Cliff Cai9442c4a2009-12-08 07:25:57 +000071
72#ifdef CONFIG_USB_BLACKFIN
73void board_musb_init(void)
74{
75 /*
76 * BF527 EZ-KITs require PG13 to be high for HOST mode
77 */
78 bfin_write_PORTG_FER(bfin_read_PORTG_FER() & ~PG13);
79 bfin_write_PORTGIO_DIR(bfin_read_PORTGIO_DIR() | PG13);
80 bfin_write_PORTGIO_SET(PG13);
81 SSYNC();
82}
83#endif