summaryrefslogtreecommitdiff
path: root/board/bf537-stamp/bf537-stamp.c
blob: 7303f1b4155e59cf003b8bee64c4690bbe8433e7 (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
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
/*
 * U-boot - BF537.c
 *
 * Copyright (c) 2005-2007 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 <config.h>
#include <command.h>
#include <asm/blackfin.h>
#include <asm/io.h>
#include <net.h>
#include <asm/mach-common/bits/bootrom.h>
#include <netdev.h>

/**
 * is_valid_ether_addr - Determine if the given Ethernet address is valid
 * @addr: Pointer to a six-byte array containing the Ethernet address
 *
 * Check that the Ethernet address (MAC) is not 00:00:00:00:00:00, is not
 * a multicast address, and is not FF:FF:FF:FF:FF:FF.
 *
 * Return true if the address is valid.
 */
static inline int is_valid_ether_addr(const u8 * addr)
{
	/* FF:FF:FF:FF:FF:FF is a multicast address so we don't need to
	 * explicitly check for it here. */
	return !is_multicast_ether_addr(addr) && !is_zero_ether_addr(addr);
}

DECLARE_GLOBAL_DATA_PTR;

#define POST_WORD_ADDR 0xFF903FFC

int checkboard(void)
{
	printf("Board: ADI BF537 stamp board\n");
	printf("       Support: http://blackfin.uclinux.org/\n");
	return 0;
}

#if defined(CONFIG_BFIN_IDE)

void cf_outb(unsigned char val, volatile unsigned char *addr)
{
	*(addr) = val;
	SSYNC();
}

unsigned char cf_inb(volatile unsigned char *addr)
{
	volatile unsigned char c;

	c = *(addr);
	SSYNC();

	return c;
}

void cf_insw(unsigned short *sect_buf, unsigned short *addr, int words)
{
	int i;

	for (i = 0; i < words; i++)
		*(sect_buf + i) = *(addr);
	SSYNC();
}

void cf_outsw(unsigned short *addr, unsigned short *sect_buf, int words)
{
	int i;

	for (i = 0; i < words; i++)
		*(addr) = *(sect_buf + i);
	SSYNC();
}
#endif				/* CONFIG_BFIN_IDE */

phys_size_t initdram(int board_type)
{
#ifdef DEBUG
	int brate;
	char *tmp = getenv("baudrate");
	brate = simple_strtoul(tmp, NULL, 16);
	printf("Serial Port initialized with Baud rate = %x\n", brate);
	printf("SDRAM attributes:\n");
	printf("tRCD %d SCLK Cycles,tRP %d SCLK Cycles,tRAS %d SCLK Cycles"
	       "tWR %d SCLK Cycles,CAS Latency %d SCLK cycles \n",
	       3, 3, 6, 2, 3);
	printf("SDRAM Begin: 0x%x\n", CONFIG_SYS_SDRAM_BASE);
	printf("Bank size = %d MB\n", CONFIG_SYS_MAX_RAM_SIZE >> 20);
#endif
	gd->bd->bi_memstart = CONFIG_SYS_SDRAM_BASE;
	gd->bd->bi_memsize = CONFIG_SYS_MAX_RAM_SIZE;
	return CONFIG_SYS_MAX_RAM_SIZE;
}

#if defined(CONFIG_MISC_INIT_R)
/* miscellaneous platform dependent initialisations */
int misc_init_r(void)
{
#if defined(CONFIG_CMD_NET)
	char nid[32];
	unsigned char *pMACaddr = (unsigned char *)0x203F0000;

	/* The 0xFF check here is to make sure we don't use the address
	 * in flash if it's simply been erased (aka all 0xFF values) */
	if (getenv("ethaddr") == NULL && is_valid_ether_addr(pMACaddr)) {
		sprintf(nid, "%02x:%02x:%02x:%02x:%02x:%02x",
			pMACaddr[0], pMACaddr[1],
			pMACaddr[2], pMACaddr[3], pMACaddr[4], pMACaddr[5]);
		setenv("ethaddr", nid);
	}
#endif

#if defined(CONFIG_BFIN_IDE)
#if defined(CONFIG_BFIN_TRUE_IDE)
	/* Enable ATASEL when in True IDE mode */
	printf("Using CF True IDE Mode\n");
	cf_outb(0, (unsigned char *)CONFIG_CF_ATASEL_ENA);
	udelay(1000);
#elif defined(CONFIG_BFIN_CF_IDE)
	/* Disable ATASEL when we're in Common Memory Mode */
	printf("Using CF Common Memory Mode\n");
	cf_outb(0, (unsigned char *)CONFIG_CF_ATASEL_DIS);
	udelay(1000);
#elif defined(CONFIG_BFIN_HDD_IDE)
	printf("Using HDD IDE Mode\n");
#endif
	ide_init();
#endif				/* CONFIG_BFIN_IDE */
	return 0;
}
#endif				/* CONFIG_MISC_INIT_R */

#if defined(CONFIG_BFIN_MAC)

int board_eth_init(bd_t *bis)
{
	return bfin_EMAC_initialize(bis);
}
#endif

#ifdef CONFIG_POST
/* Using sw10-PF5 as the hotkey */
int post_hotkeys_pressed(void)
{
	int delay = 3;
	int i;
	unsigned short value;

	*pPORTF_FER &= ~PF5;
	*pPORTFIO_DIR &= ~PF5;
	*pPORTFIO_INEN |= PF5;

	printf("########Press SW10 to enter Memory POST########: %2d ", delay);
	while (delay--) {
		for (i = 0; i < 100; i++) {
			value = *pPORTFIO & PF5;
			if (value != 0) {
				break;
			}
			udelay(10000);
		}
		printf("\b\b\b%2d ", delay);
	}
	printf("\b\b\b 0");
	printf("\n");
	if (value == 0)
		return 0;
	else {
		printf("Hotkey has been pressed, Enter POST . . . . . .\n");
		return 1;
	}
}
#endif

#if defined(CONFIG_POST) || defined(CONFIG_LOGBUFFER)
void post_word_store(ulong a)
{
	volatile ulong *save_addr = (volatile ulong *)POST_WORD_ADDR;
	*save_addr = a;
}

ulong post_word_load(void)
{
	volatile ulong *save_addr = (volatile ulong *)POST_WORD_ADDR;
	return *save_addr;
}
#endif

#ifdef CONFIG_POST
int uart_post_test(int flags)
{
	return 0;
}

#define BLOCK_SIZE 0x10000
#define VERIFY_ADDR 0x2000000
extern int erase_block_flash(int);
extern int write_data(long lStart, long lCount, uchar * pnData);
int flash_post_test(int flags)
{
	unsigned short *pbuf, *temp;
	int offset, n, i;
	int value = 0;
	int result = 0;
	printf("\n");
	pbuf = (unsigned short *)VERIFY_ADDR;
	temp = pbuf;
	for (n = FLASH_START_POST_BLOCK; n < FLASH_END_POST_BLOCK; n++) {
		offset = (n - 7) * BLOCK_SIZE;
		printf("--------Erase   block:%2d..", n);
		erase_block_flash(n);
		printf("OK\r");
		printf("--------Program block:%2d...", n);
		write_data(CONFIG_SYS_FLASH_BASE + offset, BLOCK_SIZE, pbuf);
		printf("OK\r");
		printf("--------Verify  block:%2d...", n);
		for (i = 0; i < BLOCK_SIZE; i += 2) {
			if (*(unsigned short *)(CONFIG_SYS_FLASH_BASE + offset + i) !=
			    *temp++) {
				value = 1;
				result = 1;
			}
		}
		if (value)
			printf("failed\n");
		else
			printf("OK		%3d%%\r",
			       (int)(
				     (n + 1 -
				      FLASH_START_POST_BLOCK) *
				     100 / (FLASH_END_POST_BLOCK -
					    FLASH_START_POST_BLOCK)));

		temp = pbuf;
		value = 0;
	}
	printf("\n");
	if (result)
		return -1;
	else
		return 0;
}

/****************************************************
 * LED1 ---- PF6	LED2 ---- PF7		    *
 * LED3 ---- PF8	LED4 ---- PF9		    *
 * LED5 ---- PF10	LED6 ---- PF11		    *
 ****************************************************/
int led_post_test(int flags)
{
	*pPORTF_FER &= ~(PF6 | PF7 | PF8 | PF9 | PF10 | PF11);
	*pPORTFIO_DIR |= PF6 | PF7 | PF8 | PF9 | PF10 | PF11;
	*pPORTFIO_INEN &= ~(PF6 | PF7 | PF8 | PF9 | PF10 | PF11);
	*pPORTFIO &= ~(PF6 | PF7 | PF8 | PF9 | PF10 | PF11);
	udelay(1000000);
	printf("LED1 on");
	*pPORTFIO |= PF6;
	udelay(1000000);
	printf("\b\b\b\b\b\b\b");
	printf("LED2 on");
	*pPORTFIO |= PF7;
	udelay(1000000);
	printf("\b\b\b\b\b\b\b");
	printf("LED3 on");
	*pPORTFIO |= PF8;
	udelay(1000000);
	printf("\b\b\b\b\b\b\b");
	printf("LED4 on");
	*pPORTFIO |= PF9;
	udelay(1000000);
	printf("\b\b\b\b\b\b\b");
	printf("LED5 on");
	*pPORTFIO |= PF10;
	udelay(1000000);
	printf("\b\b\b\b\b\b\b");
	printf("lED6 on");
	*pPORTFIO |= PF11;
	printf("\b\b\b\b\b\b\b ");
	return 0;
}

/************************************************
 *  SW10 ---- PF5	SW11 ---- PF4		*
 *  SW12 ---- PF3	SW13 ---- PF2		*
 ************************************************/
int button_post_test(int flags)
{
	int i, delay = 5;
	unsigned short value = 0;
	int result = 0;

	*pPORTF_FER &= ~(PF5 | PF4 | PF3 | PF2);
	*pPORTFIO_DIR &= ~(PF5 | PF4 | PF3 | PF2);
	*pPORTFIO_INEN |= (PF5 | PF4 | PF3 | PF2);

	printf("\n--------Press SW10: %2d ", delay);
	while (delay--) {
		for (i = 0; i < 100; i++) {
			value = *pPORTFIO & PF5;
			if (value != 0) {
				break;
			}
			udelay(10000);
		}
		printf("\b\b\b%2d ", delay);
	}
	if (value != 0)
		printf("\b\bOK");
	else {
		result = -1;
		printf("\b\bfailed");
	}

	delay = 5;
	printf("\n--------Press SW11: %2d ", delay);
	while (delay--) {
		for (i = 0; i < 100; i++) {
			value = *pPORTFIO & PF4;
			if (value != 0) {
				break;
			}
			udelay(10000);
		}
		printf("\b\b\b%2d ", delay);
	}
	if (value != 0)
		printf("\b\bOK");
	else {
		result = -1;
		printf("\b\bfailed");
	}

	delay = 5;
	printf("\n--------Press SW12: %2d ", delay);
	while (delay--) {
		for (i = 0; i < 100; i++) {
			value = *pPORTFIO & PF3;
			if (value != 0) {
				break;
			}
			udelay(10000);
		}
		printf("\b\b\b%2d ", delay);
	}
	if (value != 0)
		printf("\b\bOK");
	else {
		result = -1;
		printf("\b\bfailed");
	}

	delay = 5;
	printf("\n--------Press SW13: %2d ", delay);
	while (delay--) {
		for (i = 0; i < 100; i++) {
			value = *pPORTFIO & PF2;
			if (value != 0) {
				break;
			}
			udelay(10000);
		}
		printf("\b\b\b%2d ", delay);
	}
	if (value != 0)
		printf("\b\bOK");
	else {
		result = -1;
		printf("\b\bfailed");
	}
	printf("\n");
	return result;
}
#endif