summaryrefslogtreecommitdiff
path: root/board/bf533-stamp/bf533-stamp.c
blob: 4abad08cd9d9db8751859c742ec1740e40606332 (plain)
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
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
/*
 * U-boot - main board file
 *
 * Copyright (c) 2005-2008 Analog Devices Inc.
 *
 * (C) Copyright 2000-2004
 * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
 *
 * See file CREDITS for list of people who contributed to this
 * project.
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License as
 * published by the Free Software Foundation; either version 2 of
 * the License, or (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston,
 * MA 02110-1301 USA
 */

#include <common.h>
#include <netdev.h>
#include <asm/io.h>
#include "bf533-stamp.h"

DECLARE_GLOBAL_DATA_PTR;

int checkboard(void)
{
	printf("Board: ADI BF533 Stamp board\n");
	printf("       Support: http://blackfin.uclinux.org/\n");
	return 0;
}

/* PF0 and PF1 are used to switch between the ethernet and flash:
 *         PF0  PF1
 *  flash:  0    0
 *  ether:  1    0
 */
void swap_to(int device_id)
{
	bfin_write_FIO_DIR(bfin_read_FIO_DIR() | PF1 | PF0);
	SSYNC();
	bfin_write_FIO_FLAG_C(PF1);
	if (device_id == ETHERNET)
		bfin_write_FIO_FLAG_S(PF0);
	else if (device_id == FLASH)
		bfin_write_FIO_FLAG_C(PF0);
	else
		printf("Unknown device to switch\n");
	SSYNC();
}

#if defined(CONFIG_MISC_INIT_R)
/* miscellaneous platform dependent initialisations */
int misc_init_r(void)
{
#ifdef CONFIG_STAMP_CF
	cf_ide_init();
#endif

	return 0;
}
#endif

#ifdef CONFIG_SHOW_BOOT_PROGRESS

#define STATUS_LED_OFF 0
#define STATUS_LED_ON  1

static void stamp_led_set(int LED1, int LED2, int LED3)
{
	bfin_write_FIO_INEN(bfin_read_FIO_INEN() & ~(PF2 | PF3 | PF4));
	bfin_write_FIO_DIR(bfin_read_FIO_DIR() | (PF2 | PF3 | PF4));

	if (LED1 == STATUS_LED_OFF)
		*pFIO_FLAG_S = PF2;
	else
		*pFIO_FLAG_C = PF2;
	if (LED2 == STATUS_LED_OFF)
		*pFIO_FLAG_S = PF3;
	else
		*pFIO_FLAG_C = PF3;
	if (LED3 == STATUS_LED_OFF)
		*pFIO_FLAG_S = PF4;
	else
		*pFIO_FLAG_C = PF4;
	SSYNC();
}

void show_boot_progress(int status)
{
	switch (status) {
	case 1:
		stamp_led_set(STATUS_LED_OFF, STATUS_LED_OFF, STATUS_LED_ON);
		break;
	case 2:
		stamp_led_set(STATUS_LED_OFF, STATUS_LED_ON, STATUS_LED_OFF);
		break;
	case 3:
		stamp_led_set(STATUS_LED_OFF, STATUS_LED_ON, STATUS_LED_ON);
		break;
	case 4:
		stamp_led_set(STATUS_LED_ON, STATUS_LED_OFF, STATUS_LED_OFF);
		break;
	case 5:
	case 6:
		stamp_led_set(STATUS_LED_ON, STATUS_LED_OFF, STATUS_LED_ON);
		break;
	case 7:
	case 8:
		stamp_led_set(STATUS_LED_ON, STATUS_LED_ON, STATUS_LED_OFF);
		break;
	case 9:
	case 10:
	case 11:
	case 12:
	case 13:
	case 14:
	case 15:
		stamp_led_set(STATUS_LED_OFF, STATUS_LED_OFF, STATUS_LED_OFF);
		break;
	default:
		stamp_led_set(STATUS_LED_ON, STATUS_LED_ON, STATUS_LED_ON);
		break;
	}
}
#endif

#ifdef CONFIG_STATUS_LED
#include <status_led.h>

static void set_led(int pf, int state)
{
	switch (state) {
		case STATUS_LED_OFF:      bfin_write_FIO_FLAG_S(pf); break;
		case STATUS_LED_BLINKING: bfin_write_FIO_FLAG_T(pf); break;
		case STATUS_LED_ON:       bfin_write_FIO_FLAG_C(pf); break;
	}
}

static void set_leds(led_id_t mask, int state)
{
	if (mask & 0x1) set_led(PF2, state);
	if (mask & 0x2) set_led(PF3, state);
	if (mask & 0x4) set_led(PF4, state);
}

void __led_init(led_id_t mask, int state)
{
	bfin_write_FIO_INEN(bfin_read_FIO_INEN() & ~(PF2 | PF3 | PF4));
	bfin_write_FIO_DIR(bfin_read_FIO_DIR() | (PF2 | PF3 | PF4));
}

void __led_set(led_id_t mask, int state)
{
	set_leds(mask, state);
}

void __led_toggle(led_id_t mask)
{
	set_leds(mask, STATUS_LED_BLINKING);
}

#endif

#ifdef CONFIG_SMC91111
int board_eth_init(bd_t *bis)
{
	return smc91111_initialize(0, CONFIG_SMC91111_BASE);
}
#endif