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pcm030: fix out-of-tree building
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1 /*
2  * (C) Copyright 2002
3  * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
4  *
5  * See file CREDITS for list of people who contributed to this
6  * project.
7  *
8  * This program is free software; you can redistribute it and/or
9  * modify it under the terms of the GNU General Public License as
10  * published by the Free Software Foundation; either version 2 of
11  * the License, or (at your option) any later version.
12  *
13  * This program is distributed in the hope that it will be useful,
14  * but WITHOUT ANY WARRANTY; without even the implied warranty of
15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
16  * GNU General Public License for more details.
17  *
18  * You should have received a copy of the GNU General Public License
19  * along with this program; if not, write to the Free Software
20  * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
21  * MA 02111-1307 USA
22  */
23
24 #include <common.h>
25 #include <stdio_dev.h>
26 #include <watchdog.h>
27 #include <post.h>
28
29 #ifdef CONFIG_LOGBUFFER
30 #include <logbuff.h>
31 #endif
32
33 DECLARE_GLOBAL_DATA_PTR;
34
35 #define POST_MAX_NUMBER         32
36
37 #define BOOTMODE_MAGIC  0xDEAD0000
38
39 int post_init_f(void)
40 {
41         int res = 0;
42         unsigned int i;
43
44         for (i = 0; i < post_list_size; i++) {
45                 struct post_test *test = post_list + i;
46
47                 if (test->init_f && test->init_f()) {
48                         res = -1;
49                 }
50         }
51
52         gd->post_init_f_time = post_time_ms(0);
53         if (!gd->post_init_f_time) {
54                 printf
55                     ("post/post.c: post_time_ms seems not to be implemented\n");
56         }
57
58         return res;
59 }
60
61 void post_bootmode_init(void)
62 {
63         int bootmode = post_bootmode_get(0);
64         int newword;
65
66         if (post_hotkeys_pressed() && !(bootmode & POST_POWERTEST)) {
67                 newword = BOOTMODE_MAGIC | POST_SLOWTEST;
68         } else if (bootmode == 0) {
69                 newword = BOOTMODE_MAGIC | POST_POWERON;
70         } else if (bootmode == POST_POWERON || bootmode == POST_SLOWTEST) {
71                 newword = BOOTMODE_MAGIC | POST_NORMAL;
72         } else {
73                 /* Use old value */
74                 newword = post_word_load() & ~POST_COLDBOOT;
75         }
76
77         if (bootmode == 0) {
78                 /* We are booting after power-on */
79                 newword |= POST_COLDBOOT;
80         }
81
82         post_word_store(newword);
83
84         /* Reset activity record */
85         gd->post_log_word = 0;
86 }
87
88 int post_bootmode_get(unsigned int *last_test)
89 {
90         unsigned long word = post_word_load();
91         int bootmode;
92
93         if ((word & 0xFFFF0000) != BOOTMODE_MAGIC) {
94                 return 0;
95         }
96
97         bootmode = word & 0x7F;
98
99         if (last_test && (bootmode & POST_POWERTEST)) {
100                 *last_test = (word >> 8) & 0xFF;
101         }
102
103         return bootmode;
104 }
105
106 /* POST tests run before relocation only mark status bits .... */
107 static void post_log_mark_start(unsigned long testid)
108 {
109         gd->post_log_word |= (testid) << 16;
110 }
111
112 static void post_log_mark_succ(unsigned long testid)
113 {
114         gd->post_log_word |= testid;
115 }
116
117 /* ... and the messages are output once we are relocated */
118 void post_output_backlog(void)
119 {
120         int j;
121
122         for (j = 0; j < post_list_size; j++) {
123                 if (gd->post_log_word & (post_list[j].testid << 16)) {
124                         post_log("POST %s ", post_list[j].cmd);
125                         if (gd->post_log_word & post_list[j].testid)
126                                 post_log("PASSED\n");
127                         else {
128                                 post_log("FAILED\n");
129                                 show_boot_progress (-31);
130                         }
131                 }
132         }
133 }
134
135 static void post_bootmode_test_on(unsigned int last_test)
136 {
137         unsigned long word = post_word_load();
138
139         word |= POST_POWERTEST;
140
141         word |= (last_test & 0xFF) << 8;
142
143         post_word_store(word);
144 }
145
146 static void post_bootmode_test_off(void)
147 {
148         unsigned long word = post_word_load();
149
150         word &= ~POST_POWERTEST;
151
152         post_word_store(word);
153 }
154
155 static void post_get_flags(int *test_flags)
156 {
157         int flag[] = { POST_POWERON, POST_NORMAL, POST_SLOWTEST };
158         char *var[] = { "post_poweron", "post_normal", "post_slowtest" };
159         int varnum = sizeof(var) / sizeof(var[0]);
160         char list[128];         /* long enough for POST list */
161         char *name;
162         char *s;
163         int last;
164         int i, j;
165
166         for (j = 0; j < post_list_size; j++) {
167                 test_flags[j] = post_list[j].flags;
168         }
169
170         for (i = 0; i < varnum; i++) {
171                 if (getenv_r(var[i], list, sizeof(list)) <= 0)
172                         continue;
173
174                 for (j = 0; j < post_list_size; j++) {
175                         test_flags[j] &= ~flag[i];
176                 }
177
178                 last = 0;
179                 name = list;
180                 while (!last) {
181                         while (*name && *name == ' ')
182                                 name++;
183                         if (*name == 0)
184                                 break;
185                         s = name + 1;
186                         while (*s && *s != ' ')
187                                 s++;
188                         if (*s == 0)
189                                 last = 1;
190                         else
191                                 *s = 0;
192
193                         for (j = 0; j < post_list_size; j++) {
194                                 if (strcmp(post_list[j].cmd, name) == 0) {
195                                         test_flags[j] |= flag[i];
196                                         break;
197                                 }
198                         }
199
200                         if (j == post_list_size) {
201                                 printf("No such test: %s\n", name);
202                         }
203
204                         name = s + 1;
205                 }
206         }
207
208         for (j = 0; j < post_list_size; j++) {
209                 if (test_flags[j] & POST_POWERON) {
210                         test_flags[j] |= POST_SLOWTEST;
211                 }
212         }
213 }
214
215 static int post_run_single(struct post_test *test,
216                            int test_flags, int flags, unsigned int i)
217 {
218         if ((flags & test_flags & POST_ALWAYS) &&
219             (flags & test_flags & POST_MEM)) {
220                 WATCHDOG_RESET();
221
222                 if (!(flags & POST_REBOOT)) {
223                         if ((test_flags & POST_REBOOT)
224                             && !(flags & POST_MANUAL)) {
225                                 post_bootmode_test_on(i);
226                         }
227
228                         if (test_flags & POST_PREREL)
229                                 post_log_mark_start(test->testid);
230                         else
231                                 post_log("POST %s ", test->cmd);
232                 }
233
234                 if (test_flags & POST_PREREL) {
235                         if ((*test->test) (flags) == 0)
236                                 post_log_mark_succ(test->testid);
237                 } else {
238                         if ((*test->test) (flags) != 0) {
239                                 post_log("FAILED\n");
240                                 show_boot_progress (-32);
241                         } else
242                                 post_log("PASSED\n");
243                 }
244
245                 if ((test_flags & POST_REBOOT) && !(flags & POST_MANUAL)) {
246                         post_bootmode_test_off();
247                 }
248
249                 return 0;
250         } else {
251                 return -1;
252         }
253 }
254
255 int post_run(char *name, int flags)
256 {
257         unsigned int i;
258         int test_flags[POST_MAX_NUMBER];
259
260         post_get_flags(test_flags);
261
262         if (name == NULL) {
263                 unsigned int last;
264
265                 if (post_bootmode_get(&last) & POST_POWERTEST) {
266                         if (last < post_list_size &&
267                             (flags & test_flags[last] & POST_ALWAYS) &&
268                             (flags & test_flags[last] & POST_MEM)) {
269
270                                 post_run_single(post_list + last,
271                                                 test_flags[last],
272                                                 flags | POST_REBOOT, last);
273
274                                 for (i = last + 1; i < post_list_size; i++) {
275                                         post_run_single(post_list + i,
276                                                         test_flags[i],
277                                                         flags, i);
278                                 }
279                         }
280                 } else {
281                         for (i = 0; i < post_list_size; i++) {
282                                 post_run_single(post_list + i,
283                                                 test_flags[i], flags, i);
284                         }
285                 }
286
287                 return 0;
288         } else {
289                 for (i = 0; i < post_list_size; i++) {
290                         if (strcmp(post_list[i].cmd, name) == 0)
291                                 break;
292                 }
293
294                 if (i < post_list_size) {
295                         return post_run_single(post_list + i,
296                                                test_flags[i], flags, i);
297                 } else {
298                         return -1;
299                 }
300         }
301 }
302
303 static int post_info_single(struct post_test *test, int full)
304 {
305         if (test->flags & POST_MANUAL) {
306                 if (full)
307                         printf("%s - %s\n"
308                                "  %s\n", test->cmd, test->name, test->desc);
309                 else
310                         printf("  %-15s - %s\n", test->cmd, test->name);
311
312                 return 0;
313         } else {
314                 return -1;
315         }
316 }
317
318 int post_info(char *name)
319 {
320         unsigned int i;
321
322         if (name == NULL) {
323                 for (i = 0; i < post_list_size; i++) {
324                         post_info_single(post_list + i, 0);
325                 }
326
327                 return 0;
328         } else {
329                 for (i = 0; i < post_list_size; i++) {
330                         if (strcmp(post_list[i].cmd, name) == 0)
331                                 break;
332                 }
333
334                 if (i < post_list_size) {
335                         return post_info_single(post_list + i, 1);
336                 } else {
337                         return -1;
338                 }
339         }
340 }
341
342 int post_log(char *format, ...)
343 {
344         va_list args;
345         uint i;
346         char printbuffer[CONFIG_SYS_PBSIZE];
347
348         va_start(args, format);
349
350         /* For this to work, printbuffer must be larger than
351          * anything we ever want to print.
352          */
353         i = vsprintf(printbuffer, format, args);
354         va_end(args);
355
356 #ifdef CONFIG_LOGBUFFER
357         /* Send to the logbuffer */
358         logbuff_log(printbuffer);
359 #else
360         /* Send to the stdout file */
361         puts(printbuffer);
362 #endif
363
364         return 0;
365 }
366
367 void post_reloc(void)
368 {
369         unsigned int i;
370
371         /*
372          * We have to relocate the test table manually
373          */
374         for (i = 0; i < post_list_size; i++) {
375                 ulong addr;
376                 struct post_test *test = post_list + i;
377
378                 if (test->name) {
379                         addr = (ulong) (test->name) + gd->reloc_off;
380                         test->name = (char *)addr;
381                 }
382
383                 if (test->cmd) {
384                         addr = (ulong) (test->cmd) + gd->reloc_off;
385                         test->cmd = (char *)addr;
386                 }
387
388                 if (test->desc) {
389                         addr = (ulong) (test->desc) + gd->reloc_off;
390                         test->desc = (char *)addr;
391                 }
392
393                 if (test->test) {
394                         addr = (ulong) (test->test) + gd->reloc_off;
395                         test->test = (int (*)(int flags))addr;
396                 }
397
398                 if (test->init_f) {
399                         addr = (ulong) (test->init_f) + gd->reloc_off;
400                         test->init_f = (int (*)(void))addr;
401                 }
402
403                 if (test->reloc) {
404                         addr = (ulong) (test->reloc) + gd->reloc_off;
405                         test->reloc = (void (*)(void))addr;
406
407                         test->reloc();
408                 }
409         }
410 }
411
412 /*
413  * Some tests (e.g. SYSMON) need the time when post_init_f started,
414  * but we cannot use get_timer() at this point.
415  *
416  * On PowerPC we implement it using the timebase register.
417  */
418 unsigned long post_time_ms(unsigned long base)
419 {
420         return (unsigned long)get_ticks() / (get_tbclk() / CONFIG_SYS_HZ) - base;
421 }