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26bf7dec AL |
1 | /* |
2 | * U-boot - BF537.c | |
3 | * | |
155fd766 | 4 | * Copyright (c) 2005-2007 Analog Devices Inc. |
26bf7dec AL |
5 | * |
6 | * (C) Copyright 2000-2004 | |
7 | * Wolfgang Denk, DENX Software Engineering, wd@denx.de. | |
8 | * | |
9 | * See file CREDITS for list of people who contributed to this | |
10 | * project. | |
11 | * | |
12 | * This program is free software; you can redistribute it and/or | |
13 | * modify it under the terms of the GNU General Public License as | |
14 | * published by the Free Software Foundation; either version 2 of | |
15 | * the License, or (at your option) any later version. | |
16 | * | |
17 | * This program is distributed in the hope that it will be useful, | |
18 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
19 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
20 | * GNU General Public License for more details. | |
21 | * | |
22 | * You should have received a copy of the GNU General Public License | |
23 | * along with this program; if not, write to the Free Software | |
155fd766 AL |
24 | * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, |
25 | * MA 02110-1301 USA | |
26bf7dec AL |
26 | */ |
27 | ||
28 | #include <common.h> | |
29 | #include <config.h> | |
30 | #include <command.h> | |
31 | #include <asm/blackfin.h> | |
32 | #include <asm/io.h> | |
b8f4162a | 33 | #include <net.h> |
d4d77308 | 34 | #include <asm/mach-common/bits/bootrom.h> |
26bf7dec | 35 | |
b8f4162a JCPV |
36 | /** |
37 | * is_valid_ether_addr - Determine if the given Ethernet address is valid | |
38 | * @addr: Pointer to a six-byte array containing the Ethernet address | |
39 | * | |
40 | * Check that the Ethernet address (MAC) is not 00:00:00:00:00:00, is not | |
41 | * a multicast address, and is not FF:FF:FF:FF:FF:FF. | |
42 | * | |
43 | * Return true if the address is valid. | |
44 | */ | |
45 | static inline int is_valid_ether_addr(const u8 * addr) | |
46 | { | |
47 | /* FF:FF:FF:FF:FF:FF is a multicast address so we don't need to | |
48 | * explicitly check for it here. */ | |
49 | return !is_multicast_ether_addr(addr) && !is_zero_ether_addr(addr); | |
50 | } | |
51 | ||
1218abf1 WD |
52 | DECLARE_GLOBAL_DATA_PTR; |
53 | ||
26bf7dec AL |
54 | #define POST_WORD_ADDR 0xFF903FFC |
55 | ||
26bf7dec AL |
56 | int checkboard(void) |
57 | { | |
26bf7dec AL |
58 | printf("Board: ADI BF537 stamp board\n"); |
59 | printf(" Support: http://blackfin.uclinux.org/\n"); | |
60 | return 0; | |
61 | } | |
62 | ||
63 | #if defined(CONFIG_BFIN_IDE) | |
64 | ||
65 | void cf_outb(unsigned char val, volatile unsigned char *addr) | |
66 | { | |
67 | *(addr) = val; | |
d4d77308 | 68 | SSYNC(); |
26bf7dec AL |
69 | } |
70 | ||
71 | unsigned char cf_inb(volatile unsigned char *addr) | |
72 | { | |
73 | volatile unsigned char c; | |
74 | ||
75 | c = *(addr); | |
d4d77308 | 76 | SSYNC(); |
26bf7dec AL |
77 | |
78 | return c; | |
79 | } | |
80 | ||
81 | void cf_insw(unsigned short *sect_buf, unsigned short *addr, int words) | |
82 | { | |
83 | int i; | |
84 | ||
85 | for (i = 0; i < words; i++) | |
86 | *(sect_buf + i) = *(addr); | |
d4d77308 | 87 | SSYNC(); |
26bf7dec AL |
88 | } |
89 | ||
90 | void cf_outsw(unsigned short *addr, unsigned short *sect_buf, int words) | |
91 | { | |
92 | int i; | |
93 | ||
94 | for (i = 0; i < words; i++) | |
95 | *(addr) = *(sect_buf + i); | |
d4d77308 | 96 | SSYNC(); |
26bf7dec AL |
97 | } |
98 | #endif /* CONFIG_BFIN_IDE */ | |
99 | ||
100 | long int initdram(int board_type) | |
101 | { | |
26bf7dec AL |
102 | #ifdef DEBUG |
103 | int brate; | |
104 | char *tmp = getenv("baudrate"); | |
105 | brate = simple_strtoul(tmp, NULL, 16); | |
106 | printf("Serial Port initialized with Baud rate = %x\n", brate); | |
107 | printf("SDRAM attributes:\n"); | |
108 | printf("tRCD %d SCLK Cycles,tRP %d SCLK Cycles,tRAS %d SCLK Cycles" | |
109 | "tWR %d SCLK Cycles,CAS Latency %d SCLK cycles \n", | |
110 | 3, 3, 6, 2, 3); | |
111 | printf("SDRAM Begin: 0x%x\n", CFG_SDRAM_BASE); | |
112 | printf("Bank size = %d MB\n", CFG_MAX_RAM_SIZE >> 20); | |
113 | #endif | |
114 | gd->bd->bi_memstart = CFG_SDRAM_BASE; | |
115 | gd->bd->bi_memsize = CFG_MAX_RAM_SIZE; | |
116 | return CFG_MAX_RAM_SIZE; | |
117 | } | |
118 | ||
119 | #if defined(CONFIG_MISC_INIT_R) | |
120 | /* miscellaneous platform dependent initialisations */ | |
121 | int misc_init_r(void) | |
122 | { | |
123 | #if (BFIN_BOOT_MODE == BF537_BYPASS_BOOT) | |
124 | char nid[32]; | |
125 | unsigned char *pMACaddr = (unsigned char *)0x203F0000; | |
126 | u8 SrcAddr[6] = { 0x02, 0x80, 0xAD, 0x20, 0x31, 0xB8 }; | |
127 | ||
fcec2eb9 | 128 | #if defined(CONFIG_CMD_NET) |
26bf7dec AL |
129 | /* The 0xFF check here is to make sure we don't use the address |
130 | * in flash if it's simply been erased (aka all 0xFF values) */ | |
131 | if (getenv("ethaddr") == NULL && is_valid_ether_addr(pMACaddr)) { | |
132 | sprintf(nid, "%02x:%02x:%02x:%02x:%02x:%02x", | |
133 | pMACaddr[0], pMACaddr[1], | |
134 | pMACaddr[2], pMACaddr[3], pMACaddr[4], pMACaddr[5]); | |
135 | setenv("ethaddr", nid); | |
136 | } | |
fcec2eb9 | 137 | #endif |
26bf7dec AL |
138 | #endif /* BFIN_BOOT_MODE == BF537_BYPASS_BOOT */ |
139 | ||
140 | #if defined(CONFIG_BFIN_IDE) | |
141 | #if defined(CONFIG_BFIN_TRUE_IDE) | |
142 | /* Enable ATASEL when in True IDE mode */ | |
143 | printf("Using CF True IDE Mode\n"); | |
144 | cf_outb(0, (unsigned char *)CONFIG_CF_ATASEL_ENA); | |
145 | udelay(1000); | |
146 | #elif defined(CONFIG_BFIN_CF_IDE) | |
147 | /* Disable ATASEL when we're in Common Memory Mode */ | |
148 | printf("Using CF Common Memory Mode\n"); | |
149 | cf_outb(0, (unsigned char *)CONFIG_CF_ATASEL_DIS); | |
150 | udelay(1000); | |
151 | #elif defined(CONFIG_BFIN_HDD_IDE) | |
152 | printf("Using HDD IDE Mode\n"); | |
153 | #endif | |
154 | ide_init(); | |
155 | #endif /* CONFIG_BFIN_IDE */ | |
156 | return 0; | |
157 | } | |
158 | #endif /* CONFIG_MISC_INIT_R */ | |
159 | ||
160 | #ifdef CONFIG_POST | |
161 | #if (BFIN_BOOT_MODE != BF537_BYPASS_BOOT) | |
162 | /* Using sw10-PF5 as the hotkey */ | |
163 | int post_hotkeys_pressed(void) | |
164 | { | |
165 | return 0; | |
166 | } | |
167 | #else | |
168 | /* Using sw10-PF5 as the hotkey */ | |
169 | int post_hotkeys_pressed(void) | |
170 | { | |
171 | int delay = 3; | |
172 | int i; | |
173 | unsigned short value; | |
174 | ||
175 | *pPORTF_FER &= ~PF5; | |
176 | *pPORTFIO_DIR &= ~PF5; | |
177 | *pPORTFIO_INEN |= PF5; | |
178 | ||
179 | printf("########Press SW10 to enter Memory POST########: %2d ", delay); | |
180 | while (delay--) { | |
181 | for (i = 0; i < 100; i++) { | |
182 | value = *pPORTFIO & PF5; | |
183 | if (value != 0) { | |
184 | break; | |
185 | } | |
186 | udelay(10000); | |
187 | } | |
188 | printf("\b\b\b%2d ", delay); | |
189 | } | |
190 | printf("\b\b\b 0"); | |
191 | printf("\n"); | |
192 | if (value == 0) | |
193 | return 0; | |
194 | else { | |
195 | printf("Hotkey has been pressed, Enter POST . . . . . .\n"); | |
196 | return 1; | |
197 | } | |
198 | } | |
199 | #endif | |
200 | #endif | |
201 | ||
202 | #if defined(CONFIG_POST) || defined(CONFIG_LOGBUFFER) | |
203 | void post_word_store(ulong a) | |
204 | { | |
205 | volatile ulong *save_addr = (volatile ulong *)POST_WORD_ADDR; | |
206 | *save_addr = a; | |
207 | } | |
208 | ||
209 | ulong post_word_load(void) | |
210 | { | |
211 | volatile ulong *save_addr = (volatile ulong *)POST_WORD_ADDR; | |
212 | return *save_addr; | |
213 | } | |
214 | #endif | |
215 | ||
216 | #ifdef CONFIG_POST | |
217 | int uart_post_test(int flags) | |
218 | { | |
219 | return 0; | |
220 | } | |
221 | ||
222 | #define BLOCK_SIZE 0x10000 | |
223 | #define VERIFY_ADDR 0x2000000 | |
224 | extern int erase_block_flash(int); | |
225 | extern int write_data(long lStart, long lCount, uchar * pnData); | |
226 | int flash_post_test(int flags) | |
227 | { | |
228 | unsigned short *pbuf, *temp; | |
229 | int offset, n, i; | |
230 | int value = 0; | |
231 | int result = 0; | |
232 | printf("\n"); | |
233 | pbuf = (unsigned short *)VERIFY_ADDR; | |
234 | temp = pbuf; | |
235 | for (n = FLASH_START_POST_BLOCK; n < FLASH_END_POST_BLOCK; n++) { | |
236 | offset = (n - 7) * BLOCK_SIZE; | |
237 | printf("--------Erase block:%2d..", n); | |
238 | erase_block_flash(n); | |
239 | printf("OK\r"); | |
240 | printf("--------Program block:%2d...", n); | |
241 | write_data(CFG_FLASH_BASE + offset, BLOCK_SIZE, pbuf); | |
242 | printf("OK\r"); | |
243 | printf("--------Verify block:%2d...", n); | |
244 | for (i = 0; i < BLOCK_SIZE; i += 2) { | |
245 | if (*(unsigned short *)(CFG_FLASH_BASE + offset + i) != | |
246 | *temp++) { | |
247 | value = 1; | |
248 | result = 1; | |
249 | } | |
250 | } | |
251 | if (value) | |
252 | printf("failed\n"); | |
253 | else | |
254 | printf("OK %3d%%\r", | |
255 | (int)( | |
256 | (n + 1 - | |
257 | FLASH_START_POST_BLOCK) * | |
258 | 100 / (FLASH_END_POST_BLOCK - | |
259 | FLASH_START_POST_BLOCK))); | |
260 | ||
261 | temp = pbuf; | |
262 | value = 0; | |
263 | } | |
264 | printf("\n"); | |
265 | if (result) | |
266 | return -1; | |
267 | else | |
268 | return 0; | |
269 | } | |
270 | ||
271 | /**************************************************** | |
272 | * LED1 ---- PF6 LED2 ---- PF7 * | |
273 | * LED3 ---- PF8 LED4 ---- PF9 * | |
274 | * LED5 ---- PF10 LED6 ---- PF11 * | |
275 | ****************************************************/ | |
276 | int led_post_test(int flags) | |
277 | { | |
278 | *pPORTF_FER &= ~(PF6 | PF7 | PF8 | PF9 | PF10 | PF11); | |
279 | *pPORTFIO_DIR |= PF6 | PF7 | PF8 | PF9 | PF10 | PF11; | |
280 | *pPORTFIO_INEN &= ~(PF6 | PF7 | PF8 | PF9 | PF10 | PF11); | |
281 | *pPORTFIO &= ~(PF6 | PF7 | PF8 | PF9 | PF10 | PF11); | |
282 | udelay(1000000); | |
283 | printf("LED1 on"); | |
284 | *pPORTFIO |= PF6; | |
285 | udelay(1000000); | |
286 | printf("\b\b\b\b\b\b\b"); | |
287 | printf("LED2 on"); | |
288 | *pPORTFIO |= PF7; | |
289 | udelay(1000000); | |
290 | printf("\b\b\b\b\b\b\b"); | |
291 | printf("LED3 on"); | |
292 | *pPORTFIO |= PF8; | |
293 | udelay(1000000); | |
294 | printf("\b\b\b\b\b\b\b"); | |
295 | printf("LED4 on"); | |
296 | *pPORTFIO |= PF9; | |
297 | udelay(1000000); | |
298 | printf("\b\b\b\b\b\b\b"); | |
299 | printf("LED5 on"); | |
300 | *pPORTFIO |= PF10; | |
301 | udelay(1000000); | |
302 | printf("\b\b\b\b\b\b\b"); | |
303 | printf("lED6 on"); | |
304 | *pPORTFIO |= PF11; | |
305 | printf("\b\b\b\b\b\b\b "); | |
306 | return 0; | |
307 | } | |
308 | ||
309 | /************************************************ | |
310 | * SW10 ---- PF5 SW11 ---- PF4 * | |
311 | * SW12 ---- PF3 SW13 ---- PF2 * | |
312 | ************************************************/ | |
313 | int button_post_test(int flags) | |
314 | { | |
315 | int i, delay = 5; | |
316 | unsigned short value = 0; | |
317 | int result = 0; | |
318 | ||
319 | *pPORTF_FER &= ~(PF5 | PF4 | PF3 | PF2); | |
320 | *pPORTFIO_DIR &= ~(PF5 | PF4 | PF3 | PF2); | |
321 | *pPORTFIO_INEN |= (PF5 | PF4 | PF3 | PF2); | |
322 | ||
323 | printf("\n--------Press SW10: %2d ", delay); | |
324 | while (delay--) { | |
325 | for (i = 0; i < 100; i++) { | |
326 | value = *pPORTFIO & PF5; | |
327 | if (value != 0) { | |
328 | break; | |
329 | } | |
330 | udelay(10000); | |
331 | } | |
332 | printf("\b\b\b%2d ", delay); | |
333 | } | |
334 | if (value != 0) | |
335 | printf("\b\bOK"); | |
336 | else { | |
337 | result = -1; | |
338 | printf("\b\bfailed"); | |
339 | } | |
340 | ||
341 | delay = 5; | |
342 | printf("\n--------Press SW11: %2d ", delay); | |
343 | while (delay--) { | |
344 | for (i = 0; i < 100; i++) { | |
345 | value = *pPORTFIO & PF4; | |
346 | if (value != 0) { | |
347 | break; | |
348 | } | |
349 | udelay(10000); | |
350 | } | |
351 | printf("\b\b\b%2d ", delay); | |
352 | } | |
353 | if (value != 0) | |
354 | printf("\b\bOK"); | |
355 | else { | |
356 | result = -1; | |
357 | printf("\b\bfailed"); | |
358 | } | |
359 | ||
360 | delay = 5; | |
361 | printf("\n--------Press SW12: %2d ", delay); | |
362 | while (delay--) { | |
363 | for (i = 0; i < 100; i++) { | |
364 | value = *pPORTFIO & PF3; | |
365 | if (value != 0) { | |
366 | break; | |
367 | } | |
368 | udelay(10000); | |
369 | } | |
370 | printf("\b\b\b%2d ", delay); | |
371 | } | |
372 | if (value != 0) | |
373 | printf("\b\bOK"); | |
374 | else { | |
375 | result = -1; | |
376 | printf("\b\bfailed"); | |
377 | } | |
378 | ||
379 | delay = 5; | |
380 | printf("\n--------Press SW13: %2d ", delay); | |
381 | while (delay--) { | |
382 | for (i = 0; i < 100; i++) { | |
383 | value = *pPORTFIO & PF2; | |
384 | if (value != 0) { | |
385 | break; | |
386 | } | |
387 | udelay(10000); | |
388 | } | |
389 | printf("\b\b\b%2d ", delay); | |
390 | } | |
391 | if (value != 0) | |
392 | printf("\b\bOK"); | |
393 | else { | |
394 | result = -1; | |
395 | printf("\b\bfailed"); | |
396 | } | |
397 | printf("\n"); | |
398 | return result; | |
399 | } | |
400 | #endif |