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Aubrey Li26bf7de2007-03-19 01:24:52 +08001/*
2 * U-boot - BF537.c
3 *
Aubrey Li155fd762007-04-05 18:31:18 +08004 * Copyright (c) 2005-2007 Analog Devices Inc.
Aubrey Li26bf7de2007-03-19 01:24:52 +08005 *
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
Aubrey Li155fd762007-04-05 18:31:18 +080024 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston,
25 * MA 02110-1301 USA
Aubrey Li26bf7de2007-03-19 01:24:52 +080026 */
27
28#include <common.h>
29#include <config.h>
30#include <command.h>
31#include <asm/blackfin.h>
32#include <asm/io.h>
33#include "ether_bf537.h"
34
Wolfgang Denk1218abf2007-09-15 20:48:41 +020035DECLARE_GLOBAL_DATA_PTR;
36
Aubrey Li26bf7de2007-03-19 01:24:52 +080037#define POST_WORD_ADDR 0xFF903FFC
38
39/*
40 * the bootldr command loads an address, checks to see if there
41 * is a Boot stream that the on-chip BOOTROM can understand,
42 * and loads it via the BOOTROM Callback. It is possible
43 * to also add booting from SPI, or TWI, but this function does
44 * not currently support that.
45 */
46int do_bootldr(cmd_tbl_t * cmdtp, int flag, int argc, char *argv[])
47{
48 ulong addr, entry;
49 ulong *data;
50
51 /* Get the address */
52 if (argc < 2) {
53 addr = load_addr;
54 } else {
55 addr = simple_strtoul(argv[1], NULL, 16);
56 }
57
58 /* Check if it is a LDR file */
59 data = (ulong *) addr;
60 if (*data == 0xFF800060 || *data == 0xFF800040 || *data == 0xFF800020) {
61 /* We want to boot from FLASH or SDRAM */
62 entry = _BOOTROM_BOOT_DXE_FLASH;
63 printf("## Booting ldr image at 0x%08lx ...\n", addr);
64 if (icache_status())
65 icache_disable();
66 if (dcache_status())
67 dcache_disable();
68
69 __asm__("R7=%[a];\n" "P0=%[b];\n" "JUMP (P0);\n":
70 :[a] "d"(addr),[b] "a"(entry)
71 :"R7", "P0");
72
73 } else {
74 printf("## No ldr image at address 0x%08lx\n", addr);
75 }
76
77 return 0;
78}
79
80U_BOOT_CMD(bootldr, 2, 0, do_bootldr,
81 "bootldr - boot ldr image from memory\n",
82 "[addr]\n - boot ldr image stored in memory\n");
83
84int checkboard(void)
85{
86#if (BFIN_CPU == ADSP_BF534)
87 printf("CPU: ADSP BF534 Rev.: 0.%d\n", *pCHIPID >> 28);
88#elif (BFIN_CPU == ADSP_BF536)
89 printf("CPU: ADSP BF536 Rev.: 0.%d\n", *pCHIPID >> 28);
90#else
91 printf("CPU: ADSP BF537 Rev.: 0.%d\n", *pCHIPID >> 28);
92#endif
93 printf("Board: ADI BF537 stamp board\n");
94 printf(" Support: http://blackfin.uclinux.org/\n");
95 return 0;
96}
97
98#if defined(CONFIG_BFIN_IDE)
99
100void cf_outb(unsigned char val, volatile unsigned char *addr)
101{
102 *(addr) = val;
103 sync();
104}
105
106unsigned char cf_inb(volatile unsigned char *addr)
107{
108 volatile unsigned char c;
109
110 c = *(addr);
111 sync();
112
113 return c;
114}
115
116void cf_insw(unsigned short *sect_buf, unsigned short *addr, int words)
117{
118 int i;
119
120 for (i = 0; i < words; i++)
121 *(sect_buf + i) = *(addr);
122 sync();
123}
124
125void cf_outsw(unsigned short *addr, unsigned short *sect_buf, int words)
126{
127 int i;
128
129 for (i = 0; i < words; i++)
130 *(addr) = *(sect_buf + i);
131 sync();
132}
133#endif /* CONFIG_BFIN_IDE */
134
135long int initdram(int board_type)
136{
Aubrey Li26bf7de2007-03-19 01:24:52 +0800137#ifdef DEBUG
138 int brate;
139 char *tmp = getenv("baudrate");
140 brate = simple_strtoul(tmp, NULL, 16);
141 printf("Serial Port initialized with Baud rate = %x\n", brate);
142 printf("SDRAM attributes:\n");
143 printf("tRCD %d SCLK Cycles,tRP %d SCLK Cycles,tRAS %d SCLK Cycles"
144 "tWR %d SCLK Cycles,CAS Latency %d SCLK cycles \n",
145 3, 3, 6, 2, 3);
146 printf("SDRAM Begin: 0x%x\n", CFG_SDRAM_BASE);
147 printf("Bank size = %d MB\n", CFG_MAX_RAM_SIZE >> 20);
148#endif
149 gd->bd->bi_memstart = CFG_SDRAM_BASE;
150 gd->bd->bi_memsize = CFG_MAX_RAM_SIZE;
151 return CFG_MAX_RAM_SIZE;
152}
153
154#if defined(CONFIG_MISC_INIT_R)
155/* miscellaneous platform dependent initialisations */
156int misc_init_r(void)
157{
158#if (BFIN_BOOT_MODE == BF537_BYPASS_BOOT)
159 char nid[32];
160 unsigned char *pMACaddr = (unsigned char *)0x203F0000;
161 u8 SrcAddr[6] = { 0x02, 0x80, 0xAD, 0x20, 0x31, 0xB8 };
162
Jon Loeligerfcec2eb2007-07-09 18:19:09 -0500163#if defined(CONFIG_CMD_NET)
Aubrey Li26bf7de2007-03-19 01:24:52 +0800164 /* The 0xFF check here is to make sure we don't use the address
165 * in flash if it's simply been erased (aka all 0xFF values) */
166 if (getenv("ethaddr") == NULL && is_valid_ether_addr(pMACaddr)) {
167 sprintf(nid, "%02x:%02x:%02x:%02x:%02x:%02x",
168 pMACaddr[0], pMACaddr[1],
169 pMACaddr[2], pMACaddr[3], pMACaddr[4], pMACaddr[5]);
170 setenv("ethaddr", nid);
171 }
172 if (getenv("ethaddr")) {
173 SetupMacAddr(SrcAddr);
174 }
Jon Loeligerfcec2eb2007-07-09 18:19:09 -0500175#endif
Aubrey Li26bf7de2007-03-19 01:24:52 +0800176#endif /* BFIN_BOOT_MODE == BF537_BYPASS_BOOT */
177
178#if defined(CONFIG_BFIN_IDE)
179#if defined(CONFIG_BFIN_TRUE_IDE)
180 /* Enable ATASEL when in True IDE mode */
181 printf("Using CF True IDE Mode\n");
182 cf_outb(0, (unsigned char *)CONFIG_CF_ATASEL_ENA);
183 udelay(1000);
184#elif defined(CONFIG_BFIN_CF_IDE)
185 /* Disable ATASEL when we're in Common Memory Mode */
186 printf("Using CF Common Memory Mode\n");
187 cf_outb(0, (unsigned char *)CONFIG_CF_ATASEL_DIS);
188 udelay(1000);
189#elif defined(CONFIG_BFIN_HDD_IDE)
190 printf("Using HDD IDE Mode\n");
191#endif
192 ide_init();
193#endif /* CONFIG_BFIN_IDE */
194 return 0;
195}
196#endif /* CONFIG_MISC_INIT_R */
197
198#ifdef CONFIG_POST
199#if (BFIN_BOOT_MODE != BF537_BYPASS_BOOT)
200/* Using sw10-PF5 as the hotkey */
201int post_hotkeys_pressed(void)
202{
203 return 0;
204}
205#else
206/* Using sw10-PF5 as the hotkey */
207int post_hotkeys_pressed(void)
208{
209 int delay = 3;
210 int i;
211 unsigned short value;
212
213 *pPORTF_FER &= ~PF5;
214 *pPORTFIO_DIR &= ~PF5;
215 *pPORTFIO_INEN |= PF5;
216
217 printf("########Press SW10 to enter Memory POST########: %2d ", delay);
218 while (delay--) {
219 for (i = 0; i < 100; i++) {
220 value = *pPORTFIO & PF5;
221 if (value != 0) {
222 break;
223 }
224 udelay(10000);
225 }
226 printf("\b\b\b%2d ", delay);
227 }
228 printf("\b\b\b 0");
229 printf("\n");
230 if (value == 0)
231 return 0;
232 else {
233 printf("Hotkey has been pressed, Enter POST . . . . . .\n");
234 return 1;
235 }
236}
237#endif
238#endif
239
240#if defined(CONFIG_POST) || defined(CONFIG_LOGBUFFER)
241void post_word_store(ulong a)
242{
243 volatile ulong *save_addr = (volatile ulong *)POST_WORD_ADDR;
244 *save_addr = a;
245}
246
247ulong post_word_load(void)
248{
249 volatile ulong *save_addr = (volatile ulong *)POST_WORD_ADDR;
250 return *save_addr;
251}
252#endif
253
254#ifdef CONFIG_POST
255int uart_post_test(int flags)
256{
257 return 0;
258}
259
260#define BLOCK_SIZE 0x10000
261#define VERIFY_ADDR 0x2000000
262extern int erase_block_flash(int);
263extern int write_data(long lStart, long lCount, uchar * pnData);
264int flash_post_test(int flags)
265{
266 unsigned short *pbuf, *temp;
267 int offset, n, i;
268 int value = 0;
269 int result = 0;
270 printf("\n");
271 pbuf = (unsigned short *)VERIFY_ADDR;
272 temp = pbuf;
273 for (n = FLASH_START_POST_BLOCK; n < FLASH_END_POST_BLOCK; n++) {
274 offset = (n - 7) * BLOCK_SIZE;
275 printf("--------Erase block:%2d..", n);
276 erase_block_flash(n);
277 printf("OK\r");
278 printf("--------Program block:%2d...", n);
279 write_data(CFG_FLASH_BASE + offset, BLOCK_SIZE, pbuf);
280 printf("OK\r");
281 printf("--------Verify block:%2d...", n);
282 for (i = 0; i < BLOCK_SIZE; i += 2) {
283 if (*(unsigned short *)(CFG_FLASH_BASE + offset + i) !=
284 *temp++) {
285 value = 1;
286 result = 1;
287 }
288 }
289 if (value)
290 printf("failed\n");
291 else
292 printf("OK %3d%%\r",
293 (int)(
294 (n + 1 -
295 FLASH_START_POST_BLOCK) *
296 100 / (FLASH_END_POST_BLOCK -
297 FLASH_START_POST_BLOCK)));
298
299 temp = pbuf;
300 value = 0;
301 }
302 printf("\n");
303 if (result)
304 return -1;
305 else
306 return 0;
307}
308
309/****************************************************
310 * LED1 ---- PF6 LED2 ---- PF7 *
311 * LED3 ---- PF8 LED4 ---- PF9 *
312 * LED5 ---- PF10 LED6 ---- PF11 *
313 ****************************************************/
314int led_post_test(int flags)
315{
316 *pPORTF_FER &= ~(PF6 | PF7 | PF8 | PF9 | PF10 | PF11);
317 *pPORTFIO_DIR |= PF6 | PF7 | PF8 | PF9 | PF10 | PF11;
318 *pPORTFIO_INEN &= ~(PF6 | PF7 | PF8 | PF9 | PF10 | PF11);
319 *pPORTFIO &= ~(PF6 | PF7 | PF8 | PF9 | PF10 | PF11);
320 udelay(1000000);
321 printf("LED1 on");
322 *pPORTFIO |= PF6;
323 udelay(1000000);
324 printf("\b\b\b\b\b\b\b");
325 printf("LED2 on");
326 *pPORTFIO |= PF7;
327 udelay(1000000);
328 printf("\b\b\b\b\b\b\b");
329 printf("LED3 on");
330 *pPORTFIO |= PF8;
331 udelay(1000000);
332 printf("\b\b\b\b\b\b\b");
333 printf("LED4 on");
334 *pPORTFIO |= PF9;
335 udelay(1000000);
336 printf("\b\b\b\b\b\b\b");
337 printf("LED5 on");
338 *pPORTFIO |= PF10;
339 udelay(1000000);
340 printf("\b\b\b\b\b\b\b");
341 printf("lED6 on");
342 *pPORTFIO |= PF11;
343 printf("\b\b\b\b\b\b\b ");
344 return 0;
345}
346
347/************************************************
348 * SW10 ---- PF5 SW11 ---- PF4 *
349 * SW12 ---- PF3 SW13 ---- PF2 *
350 ************************************************/
351int button_post_test(int flags)
352{
353 int i, delay = 5;
354 unsigned short value = 0;
355 int result = 0;
356
357 *pPORTF_FER &= ~(PF5 | PF4 | PF3 | PF2);
358 *pPORTFIO_DIR &= ~(PF5 | PF4 | PF3 | PF2);
359 *pPORTFIO_INEN |= (PF5 | PF4 | PF3 | PF2);
360
361 printf("\n--------Press SW10: %2d ", delay);
362 while (delay--) {
363 for (i = 0; i < 100; i++) {
364 value = *pPORTFIO & PF5;
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 SW11: %2d ", delay);
381 while (delay--) {
382 for (i = 0; i < 100; i++) {
383 value = *pPORTFIO & PF4;
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
398 delay = 5;
399 printf("\n--------Press SW12: %2d ", delay);
400 while (delay--) {
401 for (i = 0; i < 100; i++) {
402 value = *pPORTFIO & PF3;
403 if (value != 0) {
404 break;
405 }
406 udelay(10000);
407 }
408 printf("\b\b\b%2d ", delay);
409 }
410 if (value != 0)
411 printf("\b\bOK");
412 else {
413 result = -1;
414 printf("\b\bfailed");
415 }
416
417 delay = 5;
418 printf("\n--------Press SW13: %2d ", delay);
419 while (delay--) {
420 for (i = 0; i < 100; i++) {
421 value = *pPORTFIO & PF2;
422 if (value != 0) {
423 break;
424 }
425 udelay(10000);
426 }
427 printf("\b\b\b%2d ", delay);
428 }
429 if (value != 0)
430 printf("\b\bOK");
431 else {
432 result = -1;
433 printf("\b\bfailed");
434 }
435 printf("\n");
436 return result;
437}
438#endif