Blame view

bootloader/u-boot_2015_04/board/bf527-ezkit/bf527-ezkit.c 1.5 KB
6b13f685e   김민수   BSP 최초 추가
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
  /*
   * U-boot - main board file
   *
   * Copyright (c) 2005-2009 Analog Devices Inc.
   *
   * Licensed under the GPL-2 or later.
   */
  
  #include <common.h>
  #include <config.h>
  #include <command.h>
  #include <net.h>
  #include <netdev.h>
  #include <asm/blackfin.h>
  #include <asm/gpio.h>
  #include <asm/mach-common/bits/otp.h>
  
  DECLARE_GLOBAL_DATA_PTR;
  
  int checkboard(void)
  {
  	printf("Board: ADI BF527 EZ-Kit board
  ");
  	printf("       Support: http://blackfin.uclinux.org/
  ");
  	return 0;
  }
  
  #ifdef CONFIG_BFIN_MAC
  static void board_init_enetaddr(uchar *mac_addr)
  {
  	bool valid_mac = false;
  
  	/* the MAC is stored in OTP memory page 0xDF */
  	uint32_t ret;
  	uint64_t otp_mac;
  
  	ret = bfrom_OtpRead(0xDF, OTP_LOWER_HALF, &otp_mac);
  	if (!(ret & OTP_MASTER_ERROR)) {
  		uchar *otp_mac_p = (uchar *)&otp_mac;
  
  		for (ret = 0; ret < 6; ++ret)
  			mac_addr[ret] = otp_mac_p[5 - ret];
  
  		if (is_valid_ether_addr(mac_addr))
  			valid_mac = true;
  	}
  
  	if (!valid_mac) {
  		puts("Warning: Generating 'random' MAC address
  ");
  		eth_random_addr(mac_addr);
  	}
  
  	eth_setenv_enetaddr("ethaddr", mac_addr);
  }
  
  int board_eth_init(bd_t *bis)
  {
  	return bfin_EMAC_initialize(bis);
  }
  #endif
  
  int misc_init_r(void)
  {
  #ifdef CONFIG_BFIN_MAC
  	uchar enetaddr[6];
  	if (!eth_getenv_enetaddr("ethaddr", enetaddr))
  		board_init_enetaddr(enetaddr);
  #endif
  
  	return 0;
  }
  
  #ifdef CONFIG_USB_BLACKFIN
  void board_musb_init(void)
  {
  	/*
  	 * BF527 EZ-KITs require PG13 to be high for HOST mode
  	 */
  	gpio_request(GPIO_PG13, "musb-vbus");
  	gpio_direction_output(GPIO_PG13, 1);
  }
  #endif