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AT91: Added a generic way to setup AT91 serial ports in Kconfig
[linux-2.6/pdupreez.git] / arch / m68k / amiga / config.c
blobdf679d96b1cb790de2b64478cd46306d407f9451
1 /*
2 * linux/arch/m68k/amiga/config.c
3 *
4 * Copyright (C) 1993 Hamish Macdonald
5 *
6 * This file is subject to the terms and conditions of the GNU General Public
7 * License. See the file COPYING in the main directory of this archive
8 * for more details.
9 */
10
11 /*
12 * Miscellaneous Amiga stuff
13 */
14
15 #include <linux/types.h>
16 #include <linux/kernel.h>
17 #include <linux/mm.h>
18 #include <linux/tty.h>
19 #include <linux/console.h>
20 #include <linux/rtc.h>
21 #include <linux/init.h>
22 #include <linux/vt_kern.h>
23 #include <linux/delay.h>
24 #include <linux/interrupt.h>
25 #include <linux/zorro.h>
26 #include <linux/module.h>
27
28 #include <asm/bootinfo.h>
29 #include <asm/setup.h>
30 #include <asm/system.h>
31 #include <asm/pgtable.h>
32 #include <asm/amigahw.h>
33 #include <asm/amigaints.h>
34 #include <asm/irq.h>
35 #include <asm/rtc.h>
36 #include <asm/machdep.h>
37 #include <asm/io.h>
38
39 static unsigned long amiga_model;
40
41 unsigned long amiga_eclock;
42 EXPORT_SYMBOL(amiga_eclock);
43
44 unsigned long amiga_colorclock;
45 EXPORT_SYMBOL(amiga_colorclock);
46
47 unsigned long amiga_chipset;
48 EXPORT_SYMBOL(amiga_chipset);
49
50 unsigned char amiga_vblank;
51 EXPORT_SYMBOL(amiga_vblank);
52
53 static unsigned char amiga_psfreq;
54
55 struct amiga_hw_present amiga_hw_present;
56 EXPORT_SYMBOL(amiga_hw_present);
57
58 static char s_a500[] __initdata = "A500";
59 static char s_a500p[] __initdata = "A500+";
60 static char s_a600[] __initdata = "A600";
61 static char s_a1000[] __initdata = "A1000";
62 static char s_a1200[] __initdata = "A1200";
63 static char s_a2000[] __initdata = "A2000";
64 static char s_a2500[] __initdata = "A2500";
65 static char s_a3000[] __initdata = "A3000";
66 static char s_a3000t[] __initdata = "A3000T";
67 static char s_a3000p[] __initdata = "A3000+";
68 static char s_a4000[] __initdata = "A4000";
69 static char s_a4000t[] __initdata = "A4000T";
70 static char s_cdtv[] __initdata = "CDTV";
71 static char s_cd32[] __initdata = "CD32";
72 static char s_draco[] __initdata = "Draco";
73 static char *amiga_models[] __initdata = {
74 [AMI_500-AMI_500] = s_a500,
75 [AMI_500PLUS-AMI_500] = s_a500p,
76 [AMI_600-AMI_500] = s_a600,
77 [AMI_1000-AMI_500] = s_a1000,
78 [AMI_1200-AMI_500] = s_a1200,
79 [AMI_2000-AMI_500] = s_a2000,
80 [AMI_2500-AMI_500] = s_a2500,
81 [AMI_3000-AMI_500] = s_a3000,
82 [AMI_3000T-AMI_500] = s_a3000t,
83 [AMI_3000PLUS-AMI_500] = s_a3000p,
84 [AMI_4000-AMI_500] = s_a4000,
85 [AMI_4000T-AMI_500] = s_a4000t,
86 [AMI_CDTV-AMI_500] = s_cdtv,
87 [AMI_CD32-AMI_500] = s_cd32,
88 [AMI_DRACO-AMI_500] = s_draco,
89 };
90
91 static char amiga_model_name[13] = "Amiga ";
92
93 static void amiga_sched_init(irq_handler_t handler);
94 static void amiga_get_model(char *model);
95 static int amiga_get_hardware_list(char *buffer);
96 /* amiga specific timer functions */
97 static unsigned long amiga_gettimeoffset(void);
98 static int a3000_hwclk(int, struct rtc_time *);
99 static int a2000_hwclk(int, struct rtc_time *);
100 static int amiga_set_clock_mmss(unsigned long);
101 static unsigned int amiga_get_ss(void);
102 extern void amiga_mksound(unsigned int count, unsigned int ticks);
103 static void amiga_reset(void);
104 extern void amiga_init_sound(void);
105 static void amiga_mem_console_write(struct console *co, const char *b,
106 unsigned int count);
107 #ifdef CONFIG_HEARTBEAT
108 static void amiga_heartbeat(int on);
109 #endif
110
111 static struct console amiga_console_driver = {
112 .name = "debug",
113 .flags = CON_PRINTBUFFER,
114 .index = -1,
115 };
116
117
118 /*
119 * Motherboard Resources present in all Amiga models
120 */
121
122 static struct {
123 struct resource _ciab, _ciaa, _custom, _kickstart;
124 } mb_resources = {
125 ._ciab = {
126 .name = "CIA B", .start = 0x00bfd000, .end = 0x00bfdfff
127 },
128 ._ciaa = {
129 .name = "CIA A", .start = 0x00bfe000, .end = 0x00bfefff
130 },
131 ._custom = {
132 .name = "Custom I/O", .start = 0x00dff000, .end = 0x00dfffff
133 },
134 ._kickstart = {
135 .name = "Kickstart ROM", .start = 0x00f80000, .end = 0x00ffffff
136 }
137 };
138
139 static struct resource rtc_resource = {
140 .start = 0x00dc0000, .end = 0x00dcffff
141 };
142
143 static struct resource ram_resource[NUM_MEMINFO];
144
145
146 /*
147 * Parse an Amiga-specific record in the bootinfo
148 */
149
150 int amiga_parse_bootinfo(const struct bi_record *record)
151 {
152 int unknown = 0;
153 const unsigned long *data = record->data;
154
155 switch (record->tag) {
156 case BI_AMIGA_MODEL:
157 amiga_model = *data;
158 break;
159
160 case BI_AMIGA_ECLOCK:
161 amiga_eclock = *data;
162 break;
163
164 case BI_AMIGA_CHIPSET:
165 amiga_chipset = *data;
166 break;
167
168 case BI_AMIGA_CHIP_SIZE:
169 amiga_chip_size = *(const int *)data;
170 break;
171
172 case BI_AMIGA_VBLANK:
173 amiga_vblank = *(const unsigned char *)data;
174 break;
175
176 case BI_AMIGA_PSFREQ:
177 amiga_psfreq = *(const unsigned char *)data;
178 break;
179
180 case BI_AMIGA_AUTOCON:
181 #ifdef CONFIG_ZORRO
182 if (zorro_num_autocon < ZORRO_NUM_AUTO) {
183 const struct ConfigDev *cd = (struct ConfigDev *)data;
184 struct zorro_dev *dev = &zorro_autocon[zorro_num_autocon++];
185 dev->rom = cd->cd_Rom;
186 dev->slotaddr = cd->cd_SlotAddr;
187 dev->slotsize = cd->cd_SlotSize;
188 dev->resource.start = (unsigned long)cd->cd_BoardAddr;
189 dev->resource.end = dev->resource.start + cd->cd_BoardSize - 1;
190 } else
191 printk("amiga_parse_bootinfo: too many AutoConfig devices\n");
192 #endif /* CONFIG_ZORRO */
193 break;
194
195 case BI_AMIGA_SERPER:
196 /* serial port period: ignored here */
197 break;
198
199 default:
200 unknown = 1;
201 }
202 return unknown;
203 }
204
205 /*
206 * Identify builtin hardware
207 */
208
209 static void __init amiga_identify(void)
210 {
211 /* Fill in some default values, if necessary */
212 if (amiga_eclock == 0)
213 amiga_eclock = 709379;
214
215 memset(&amiga_hw_present, 0, sizeof(amiga_hw_present));
216
217 printk("Amiga hardware found: ");
218 if (amiga_model >= AMI_500 && amiga_model <= AMI_DRACO) {
219 printk("[%s] ", amiga_models[amiga_model-AMI_500]);
220 strcat(amiga_model_name, amiga_models[amiga_model-AMI_500]);
221 }
222
223 switch (amiga_model) {
224 case AMI_UNKNOWN:
225 goto Generic;
226
227 case AMI_600:
228 case AMI_1200:
229 AMIGAHW_SET(A1200_IDE);
230 AMIGAHW_SET(PCMCIA);
231 case AMI_500:
232 case AMI_500PLUS:
233 case AMI_1000:
234 case AMI_2000:
235 case AMI_2500:
236 AMIGAHW_SET(A2000_CLK); /* Is this correct for all models? */
237 goto Generic;
238
239 case AMI_3000:
240 case AMI_3000T:
241 AMIGAHW_SET(AMBER_FF);
242 AMIGAHW_SET(MAGIC_REKICK);
243 /* fall through */
244 case AMI_3000PLUS:
245 AMIGAHW_SET(A3000_SCSI);
246 AMIGAHW_SET(A3000_CLK);
247 AMIGAHW_SET(ZORRO3);
248 goto Generic;
249
250 case AMI_4000T:
251 AMIGAHW_SET(A4000_SCSI);
252 /* fall through */
253 case AMI_4000:
254 AMIGAHW_SET(A4000_IDE);
255 AMIGAHW_SET(A3000_CLK);
256 AMIGAHW_SET(ZORRO3);
257 goto Generic;
258
259 case AMI_CDTV:
260 case AMI_CD32:
261 AMIGAHW_SET(CD_ROM);
262 AMIGAHW_SET(A2000_CLK); /* Is this correct? */
263 goto Generic;
264
265 Generic:
266 AMIGAHW_SET(AMI_VIDEO);
267 AMIGAHW_SET(AMI_BLITTER);
268 AMIGAHW_SET(AMI_AUDIO);
269 AMIGAHW_SET(AMI_FLOPPY);
270 AMIGAHW_SET(AMI_KEYBOARD);
271 AMIGAHW_SET(AMI_MOUSE);
272 AMIGAHW_SET(AMI_SERIAL);
273 AMIGAHW_SET(AMI_PARALLEL);
274 AMIGAHW_SET(CHIP_RAM);
275 AMIGAHW_SET(PAULA);
276
277 switch (amiga_chipset) {
278 case CS_OCS:
279 case CS_ECS:
280 case CS_AGA:
281 switch (amiga_custom.deniseid & 0xf) {
282 case 0x0c:
283 AMIGAHW_SET(DENISE_HR);
284 break;
285 case 0x08:
286 AMIGAHW_SET(LISA);
287 break;
288 }
289 break;
290 default:
291 AMIGAHW_SET(DENISE);
292 break;
293 }
294 switch ((amiga_custom.vposr>>8) & 0x7f) {
295 case 0x00:
296 AMIGAHW_SET(AGNUS_PAL);
297 break;
298 case 0x10:
299 AMIGAHW_SET(AGNUS_NTSC);
300 break;
301 case 0x20:
302 case 0x21:
303 AMIGAHW_SET(AGNUS_HR_PAL);
304 break;
305 case 0x30:
306 case 0x31:
307 AMIGAHW_SET(AGNUS_HR_NTSC);
308 break;
309 case 0x22:
310 case 0x23:
311 AMIGAHW_SET(ALICE_PAL);
312 break;
313 case 0x32:
314 case 0x33:
315 AMIGAHW_SET(ALICE_NTSC);
316 break;
317 }
318 AMIGAHW_SET(ZORRO);
319 break;
320
321 case AMI_DRACO:
322 panic("No support for Draco yet");
323
324 default:
325 panic("Unknown Amiga Model");
326 }
327
328 #define AMIGAHW_ANNOUNCE(name, str) \
329 if (AMIGAHW_PRESENT(name)) \
330 printk(str)
331
332 AMIGAHW_ANNOUNCE(AMI_VIDEO, "VIDEO ");
333 AMIGAHW_ANNOUNCE(AMI_BLITTER, "BLITTER ");
334 AMIGAHW_ANNOUNCE(AMBER_FF, "AMBER_FF ");
335 AMIGAHW_ANNOUNCE(AMI_AUDIO, "AUDIO ");
336 AMIGAHW_ANNOUNCE(AMI_FLOPPY, "FLOPPY ");
337 AMIGAHW_ANNOUNCE(A3000_SCSI, "A3000_SCSI ");
338 AMIGAHW_ANNOUNCE(A4000_SCSI, "A4000_SCSI ");
339 AMIGAHW_ANNOUNCE(A1200_IDE, "A1200_IDE ");
340 AMIGAHW_ANNOUNCE(A4000_IDE, "A4000_IDE ");
341 AMIGAHW_ANNOUNCE(CD_ROM, "CD_ROM ");
342 AMIGAHW_ANNOUNCE(AMI_KEYBOARD, "KEYBOARD ");
343 AMIGAHW_ANNOUNCE(AMI_MOUSE, "MOUSE ");
344 AMIGAHW_ANNOUNCE(AMI_SERIAL, "SERIAL ");
345 AMIGAHW_ANNOUNCE(AMI_PARALLEL, "PARALLEL ");
346 AMIGAHW_ANNOUNCE(A2000_CLK, "A2000_CLK ");
347 AMIGAHW_ANNOUNCE(A3000_CLK, "A3000_CLK ");
348 AMIGAHW_ANNOUNCE(CHIP_RAM, "CHIP_RAM ");
349 AMIGAHW_ANNOUNCE(PAULA, "PAULA ");
350 AMIGAHW_ANNOUNCE(DENISE, "DENISE ");
351 AMIGAHW_ANNOUNCE(DENISE_HR, "DENISE_HR ");
352 AMIGAHW_ANNOUNCE(LISA, "LISA ");
353 AMIGAHW_ANNOUNCE(AGNUS_PAL, "AGNUS_PAL ");
354 AMIGAHW_ANNOUNCE(AGNUS_NTSC, "AGNUS_NTSC ");
355 AMIGAHW_ANNOUNCE(AGNUS_HR_PAL, "AGNUS_HR_PAL ");
356 AMIGAHW_ANNOUNCE(AGNUS_HR_NTSC, "AGNUS_HR_NTSC ");
357 AMIGAHW_ANNOUNCE(ALICE_PAL, "ALICE_PAL ");
358 AMIGAHW_ANNOUNCE(ALICE_NTSC, "ALICE_NTSC ");
359 AMIGAHW_ANNOUNCE(MAGIC_REKICK, "MAGIC_REKICK ");
360 AMIGAHW_ANNOUNCE(PCMCIA, "PCMCIA ");
361 if (AMIGAHW_PRESENT(ZORRO))
362 printk("ZORRO%s ", AMIGAHW_PRESENT(ZORRO3) ? "3" : "");
363 printk("\n");
364
365 #undef AMIGAHW_ANNOUNCE
366 }
367
368 /*
369 * Setup the Amiga configuration info
370 */
371
372 void __init config_amiga(void)
373 {
374 int i;
375
376 amiga_identify();
377
378 /* Yuk, we don't have PCI memory */
379 iomem_resource.name = "Memory";
380 for (i = 0; i < 4; i++)
381 request_resource(&iomem_resource, &((struct resource *)&mb_resources)[i]);
382
383 mach_sched_init = amiga_sched_init;
384 mach_init_IRQ = amiga_init_IRQ;
385 mach_get_model = amiga_get_model;
386 mach_get_hardware_list = amiga_get_hardware_list;
387 mach_gettimeoffset = amiga_gettimeoffset;
388 if (AMIGAHW_PRESENT(A3000_CLK)) {
389 mach_hwclk = a3000_hwclk;
390 rtc_resource.name = "A3000 RTC";
391 request_resource(&iomem_resource, &rtc_resource);
392 } else /* if (AMIGAHW_PRESENT(A2000_CLK)) */ {
393 mach_hwclk = a2000_hwclk;
394 rtc_resource.name = "A2000 RTC";
395 request_resource(&iomem_resource, &rtc_resource);
396 }
397
398 /*
399 * default MAX_DMA=0xffffffff on all machines. If we don't do so, the SCSI
400 * code will not be able to allocate any mem for transfers, unless we are
401 * dealing with a Z2 mem only system. /Jes
402 */
403 mach_max_dma_address = 0xffffffff;
404
405 mach_set_clock_mmss = amiga_set_clock_mmss;
406 mach_get_ss = amiga_get_ss;
407 mach_reset = amiga_reset;
408 #if defined(CONFIG_INPUT_M68K_BEEP) || defined(CONFIG_INPUT_M68K_BEEP_MODULE)
409 mach_beep = amiga_mksound;
410 #endif
411
412 #ifdef CONFIG_HEARTBEAT
413 mach_heartbeat = amiga_heartbeat;
414 #endif
415
416 /* Fill in the clock value (based on the 700 kHz E-Clock) */
417 amiga_colorclock = 5*amiga_eclock; /* 3.5 MHz */
418
419 /* clear all DMA bits */
420 amiga_custom.dmacon = DMAF_ALL;
421 /* ensure that the DMA master bit is set */
422 amiga_custom.dmacon = DMAF_SETCLR | DMAF_MASTER;
423
424 /* don't use Z2 RAM as system memory on Z3 capable machines */
425 if (AMIGAHW_PRESENT(ZORRO3)) {
426 int i, j;
427 u32 disabled_z2mem = 0;
428
429 for (i = 0; i < m68k_num_memory; i++) {
430 if (m68k_memory[i].addr < 16*1024*1024) {
431 if (i == 0) {
432 /* don't cut off the branch we're sitting on */
433 printk("Warning: kernel runs in Zorro II memory\n");
434 continue;
435 }
436 disabled_z2mem += m68k_memory[i].size;
437 m68k_num_memory--;
438 for (j = i; j < m68k_num_memory; j++)
439 m68k_memory[j] = m68k_memory[j+1];
440 i--;
441 }
442 }
443 if (disabled_z2mem)
444 printk("%dK of Zorro II memory will not be used as system memory\n",
445 disabled_z2mem>>10);
446 }
447
448 /* request all RAM */
449 for (i = 0; i < m68k_num_memory; i++) {
450 ram_resource[i].name =
451 (m68k_memory[i].addr >= 0x01000000) ? "32-bit Fast RAM" :
452 (m68k_memory[i].addr < 0x00c00000) ? "16-bit Fast RAM" :
453 "16-bit Slow RAM";
454 ram_resource[i].start = m68k_memory[i].addr;
455 ram_resource[i].end = m68k_memory[i].addr+m68k_memory[i].size-1;
456 request_resource(&iomem_resource, &ram_resource[i]);
457 }
458
459 /* initialize chipram allocator */
460 amiga_chip_init();
461
462 /* our beloved beeper */
463 if (AMIGAHW_PRESENT(AMI_AUDIO))
464 amiga_init_sound();
465
466 /*
467 * if it is an A3000, set the magic bit that forces
468 * a hard rekick
469 */
470 if (AMIGAHW_PRESENT(MAGIC_REKICK))
471 *(unsigned char *)ZTWO_VADDR(0xde0002) |= 0x80;
472 }
473
474 static unsigned short jiffy_ticks;
475
476 static void __init amiga_sched_init(irq_handler_t timer_routine)
477 {
478 static struct resource sched_res = {
479 .name = "timer", .start = 0x00bfd400, .end = 0x00bfd5ff,
480 };
481 jiffy_ticks = (amiga_eclock+HZ/2)/HZ;
482
483 if (request_resource(&mb_resources._ciab, &sched_res))
484 printk("Cannot allocate ciab.ta{lo,hi}\n");
485 ciab.cra &= 0xC0; /* turn off timer A, continuous mode, from Eclk */
486 ciab.talo = jiffy_ticks % 256;
487 ciab.tahi = jiffy_ticks / 256;
488
489 /* install interrupt service routine for CIAB Timer A
490 *
491 * Please don't change this to use ciaa, as it interferes with the
492 * SCSI code. We'll have to take a look at this later
493 */
494 request_irq(IRQ_AMIGA_CIAB_TA, timer_routine, 0, "timer", NULL);
495 /* start timer */
496 ciab.cra |= 0x11;
497 }
498
499 #define TICK_SIZE 10000
500
501 /* This is always executed with interrupts disabled. */
502 static unsigned long amiga_gettimeoffset(void)
503 {
504 unsigned short hi, lo, hi2;
505 unsigned long ticks, offset = 0;
506
507 /* read CIA B timer A current value */
508 hi = ciab.tahi;
509 lo = ciab.talo;
510 hi2 = ciab.tahi;
511
512 if (hi != hi2) {
513 lo = ciab.talo;
514 hi = hi2;
515 }
516
517 ticks = hi << 8 | lo;
518
519 if (ticks > jiffy_ticks / 2)
520 /* check for pending interrupt */
521 if (cia_set_irq(&ciab_base, 0) & CIA_ICR_TA)
522 offset = 10000;
523
524 ticks = jiffy_ticks - ticks;
525 ticks = (10000 * ticks) / jiffy_ticks;
526
527 return ticks + offset;
528 }
529
530 static int a3000_hwclk(int op, struct rtc_time *t)
531 {
532 tod_3000.cntrl1 = TOD3000_CNTRL1_HOLD;
533
534 if (!op) { /* read */
535 t->tm_sec = tod_3000.second1 * 10 + tod_3000.second2;
536 t->tm_min = tod_3000.minute1 * 10 + tod_3000.minute2;
537 t->tm_hour = tod_3000.hour1 * 10 + tod_3000.hour2;
538 t->tm_mday = tod_3000.day1 * 10 + tod_3000.day2;
539 t->tm_wday = tod_3000.weekday;
540 t->tm_mon = tod_3000.month1 * 10 + tod_3000.month2 - 1;
541 t->tm_year = tod_3000.year1 * 10 + tod_3000.year2;
542 if (t->tm_year <= 69)
543 t->tm_year += 100;
544 } else {
545 tod_3000.second1 = t->tm_sec / 10;
546 tod_3000.second2 = t->tm_sec % 10;
547 tod_3000.minute1 = t->tm_min / 10;
548 tod_3000.minute2 = t->tm_min % 10;
549 tod_3000.hour1 = t->tm_hour / 10;
550 tod_3000.hour2 = t->tm_hour % 10;
551 tod_3000.day1 = t->tm_mday / 10;
552 tod_3000.day2 = t->tm_mday % 10;
553 if (t->tm_wday != -1)
554 tod_3000.weekday = t->tm_wday;
555 tod_3000.month1 = (t->tm_mon + 1) / 10;
556 tod_3000.month2 = (t->tm_mon + 1) % 10;
557 if (t->tm_year >= 100)
558 t->tm_year -= 100;
559 tod_3000.year1 = t->tm_year / 10;
560 tod_3000.year2 = t->tm_year % 10;
561 }
562
563 tod_3000.cntrl1 = TOD3000_CNTRL1_FREE;
564
565 return 0;
566 }
567
568 static int a2000_hwclk(int op, struct rtc_time *t)
569 {
570 int cnt = 5;
571
572 tod_2000.cntrl1 = TOD2000_CNTRL1_HOLD;
573
574 while ((tod_2000.cntrl1 & TOD2000_CNTRL1_BUSY) && cnt--) {
575 tod_2000.cntrl1 &= ~TOD2000_CNTRL1_HOLD;
576 udelay(70);
577 tod_2000.cntrl1 |= TOD2000_CNTRL1_HOLD;
578 }
579
580 if (!cnt)
581 printk(KERN_INFO "hwclk: timed out waiting for RTC (0x%x)\n",
582 tod_2000.cntrl1);
583
584 if (!op) { /* read */
585 t->tm_sec = tod_2000.second1 * 10 + tod_2000.second2;
586 t->tm_min = tod_2000.minute1 * 10 + tod_2000.minute2;
587 t->tm_hour = (tod_2000.hour1 & 3) * 10 + tod_2000.hour2;
588 t->tm_mday = tod_2000.day1 * 10 + tod_2000.day2;
589 t->tm_wday = tod_2000.weekday;
590 t->tm_mon = tod_2000.month1 * 10 + tod_2000.month2 - 1;
591 t->tm_year = tod_2000.year1 * 10 + tod_2000.year2;
592 if (t->tm_year <= 69)
593 t->tm_year += 100;
594
595 if (!(tod_2000.cntrl3 & TOD2000_CNTRL3_24HMODE)) {
596 if (!(tod_2000.hour1 & TOD2000_HOUR1_PM) && t->tm_hour == 12)
597 t->tm_hour = 0;
598 else if ((tod_2000.hour1 & TOD2000_HOUR1_PM) && t->tm_hour != 12)
599 t->tm_hour += 12;
600 }
601 } else {
602 tod_2000.second1 = t->tm_sec / 10;
603 tod_2000.second2 = t->tm_sec % 10;
604 tod_2000.minute1 = t->tm_min / 10;
605 tod_2000.minute2 = t->tm_min % 10;
606 if (tod_2000.cntrl3 & TOD2000_CNTRL3_24HMODE)
607 tod_2000.hour1 = t->tm_hour / 10;
608 else if (t->tm_hour >= 12)
609 tod_2000.hour1 = TOD2000_HOUR1_PM +
610 (t->tm_hour - 12) / 10;
611 else
612 tod_2000.hour1 = t->tm_hour / 10;
613 tod_2000.hour2 = t->tm_hour % 10;
614 tod_2000.day1 = t->tm_mday / 10;
615 tod_2000.day2 = t->tm_mday % 10;
616 if (t->tm_wday != -1)
617 tod_2000.weekday = t->tm_wday;
618 tod_2000.month1 = (t->tm_mon + 1) / 10;
619 tod_2000.month2 = (t->tm_mon + 1) % 10;
620 if (t->tm_year >= 100)
621 t->tm_year -= 100;
622 tod_2000.year1 = t->tm_year / 10;
623 tod_2000.year2 = t->tm_year % 10;
624 }
625
626 tod_2000.cntrl1 &= ~TOD2000_CNTRL1_HOLD;
627
628 return 0;
629 }
630
631 static int amiga_set_clock_mmss(unsigned long nowtime)
632 {
633 short real_seconds = nowtime % 60, real_minutes = (nowtime / 60) % 60;
634
635 if (AMIGAHW_PRESENT(A3000_CLK)) {
636 tod_3000.cntrl1 = TOD3000_CNTRL1_HOLD;
637
638 tod_3000.second1 = real_seconds / 10;
639 tod_3000.second2 = real_seconds % 10;
640 tod_3000.minute1 = real_minutes / 10;
641 tod_3000.minute2 = real_minutes % 10;
642
643 tod_3000.cntrl1 = TOD3000_CNTRL1_FREE;
644 } else /* if (AMIGAHW_PRESENT(A2000_CLK)) */ {
645 int cnt = 5;
646
647 tod_2000.cntrl1 |= TOD2000_CNTRL1_HOLD;
648
649 while ((tod_2000.cntrl1 & TOD2000_CNTRL1_BUSY) && cnt--) {
650 tod_2000.cntrl1 &= ~TOD2000_CNTRL1_HOLD;
651 udelay(70);
652 tod_2000.cntrl1 |= TOD2000_CNTRL1_HOLD;
653 }
654
655 if (!cnt)
656 printk(KERN_INFO "set_clock_mmss: timed out waiting for RTC (0x%x)\n", tod_2000.cntrl1);
657
658 tod_2000.second1 = real_seconds / 10;
659 tod_2000.second2 = real_seconds % 10;
660 tod_2000.minute1 = real_minutes / 10;
661 tod_2000.minute2 = real_minutes % 10;
662
663 tod_2000.cntrl1 &= ~TOD2000_CNTRL1_HOLD;
664 }
665
666 return 0;
667 }
668
669 static unsigned int amiga_get_ss(void)
670 {
671 unsigned int s;
672
673 if (AMIGAHW_PRESENT(A3000_CLK)) {
674 tod_3000.cntrl1 = TOD3000_CNTRL1_HOLD;
675 s = tod_3000.second1 * 10 + tod_3000.second2;
676 tod_3000.cntrl1 = TOD3000_CNTRL1_FREE;
677 } else /* if (AMIGAHW_PRESENT(A2000_CLK)) */ {
678 s = tod_2000.second1 * 10 + tod_2000.second2;
679 }
680 return s;
681 }
682
683 static NORET_TYPE void amiga_reset(void)
684 ATTRIB_NORET;
685
686 static void amiga_reset(void)
687 {
688 unsigned long jmp_addr040 = virt_to_phys(&&jmp_addr_label040);
689 unsigned long jmp_addr = virt_to_phys(&&jmp_addr_label);
690
691 local_irq_disable();
692 if (CPU_IS_040_OR_060)
693 /* Setup transparent translation registers for mapping
694 * of 16 MB kernel segment before disabling translation
695 */
696 asm volatile ("\n"
697 " move.l %0,%%d0\n"
698 " and.l #0xff000000,%%d0\n"
699 " or.w #0xe020,%%d0\n" /* map 16 MB, enable, cacheable */
700 " .chip 68040\n"
701 " movec %%d0,%%itt0\n"
702 " movec %%d0,%%dtt0\n"
703 " .chip 68k\n"
704 " jmp %0@\n"
705 : /* no outputs */
706 : "a" (jmp_addr040)
707 : "d0");
708 else
709 /* for 680[23]0, just disable translation and jump to the physical
710 * address of the label
711 */
712 asm volatile ("\n"
713 " pmove %%tc,%@\n"
714 " bclr #7,%@\n"
715 " pmove %@,%%tc\n"
716 " jmp %0@\n"
717 : /* no outputs */
718 : "a" (jmp_addr));
719 jmp_addr_label040:
720 /* disable translation on '040 now */
721 asm volatile ("\n"
722 " moveq #0,%%d0\n"
723 " .chip 68040\n"
724 " movec %%d0,%%tc\n" /* disable MMU */
725 " .chip 68k\n"
726 : /* no outputs */
727 : /* no inputs */
728 : "d0");
729
730 jmp_addr_label:
731 /* pickup reset address from AmigaOS ROM, reset devices and jump
732 * to reset address
733 */
734 asm volatile ("\n"
735 " move.w #0x2700,%sr\n"
736 " lea 0x01000000,%a0\n"
737 " sub.l %a0@(-0x14),%a0\n"
738 " move.l %a0@(4),%a0\n"
739 " subq.l #2,%a0\n"
740 " jra 1f\n"
741 /* align on a longword boundary */
742 " " __ALIGN_STR "\n"
743 "1:\n"
744 " reset\n"
745 " jmp %a0@");
746
747 for (;;)
748 ;
749 }
750
751
752 /*
753 * Debugging
754 */
755
756 #define SAVEKMSG_MAXMEM 128*1024
757
758 #define SAVEKMSG_MAGIC1 0x53415645 /* 'SAVE' */
759 #define SAVEKMSG_MAGIC2 0x4B4D5347 /* 'KMSG' */
760
761 struct savekmsg {
762 unsigned long magic1; /* SAVEKMSG_MAGIC1 */
763 unsigned long magic2; /* SAVEKMSG_MAGIC2 */
764 unsigned long magicptr; /* address of magic1 */
765 unsigned long size;
766 char data[0];
767 };
768
769 static struct savekmsg *savekmsg;
770
771 static void amiga_mem_console_write(struct console *co, const char *s,
772 unsigned int count)
773 {
774 if (savekmsg->size + count <= SAVEKMSG_MAXMEM-sizeof(struct savekmsg)) {
775 memcpy(savekmsg->data + savekmsg->size, s, count);
776 savekmsg->size += count;
777 }
778 }
779
780 static int __init amiga_savekmsg_setup(char *arg)
781 {
782 static struct resource debug_res = { .name = "Debug" };
783
784 if (!MACH_IS_AMIGA || strcmp(arg, "mem"))
785 goto done;
786
787 if (!AMIGAHW_PRESENT(CHIP_RAM)) {
788 printk("Warning: no chipram present for debugging\n");
789 goto done;
790 }
791
792 savekmsg = amiga_chip_alloc_res(SAVEKMSG_MAXMEM, &debug_res);
793 savekmsg->magic1 = SAVEKMSG_MAGIC1;
794 savekmsg->magic2 = SAVEKMSG_MAGIC2;
795 savekmsg->magicptr = ZTWO_PADDR(savekmsg);
796 savekmsg->size = 0;
797
798 amiga_console_driver.write = amiga_mem_console_write;
799 register_console(&amiga_console_driver);
800
801 done:
802 return 0;
803 }
804
805 early_param("debug", amiga_savekmsg_setup);
806
807 static void amiga_serial_putc(char c)
808 {
809 amiga_custom.serdat = (unsigned char)c | 0x100;
810 while (!(amiga_custom.serdatr & 0x2000))
811 ;
812 }
813
814 static void amiga_serial_console_write(struct console *co, const char *s,
815 unsigned int count)
816 {
817 while (count--) {
818 if (*s == '\n')
819 amiga_serial_putc('\r');
820 amiga_serial_putc(*s++);
821 }
822 }
823
824 #if 0
825 void amiga_serial_puts(const char *s)
826 {
827 amiga_serial_console_write(NULL, s, strlen(s));
828 }
829
830 int amiga_serial_console_wait_key(struct console *co)
831 {
832 int ch;
833
834 while (!(amiga_custom.intreqr & IF_RBF))
835 barrier();
836 ch = amiga_custom.serdatr & 0xff;
837 /* clear the interrupt, so that another character can be read */
838 amiga_custom.intreq = IF_RBF;
839 return ch;
840 }
841
842 void amiga_serial_gets(struct console *co, char *s, int len)
843 {
844 int ch, cnt = 0;
845
846 while (1) {
847 ch = amiga_serial_console_wait_key(co);
848
849 /* Check for backspace. */
850 if (ch == 8 || ch == 127) {
851 if (cnt == 0) {
852 amiga_serial_putc('\007');
853 continue;
854 }
855 cnt--;
856 amiga_serial_puts("\010 \010");
857 continue;
858 }
859
860 /* Check for enter. */
861 if (ch == 10 || ch == 13)
862 break;
863
864 /* See if line is too long. */
865 if (cnt >= len + 1) {
866 amiga_serial_putc(7);
867 cnt--;
868 continue;
869 }
870
871 /* Store and echo character. */
872 s[cnt++] = ch;
873 amiga_serial_putc(ch);
874 }
875 /* Print enter. */
876 amiga_serial_puts("\r\n");
877 s[cnt] = 0;
878 }
879 #endif
880
881 static int __init amiga_debug_setup(char *arg)
882 {
883 if (MACH_IS_AMIGA && !strcmp(arg, "ser")) {
884 /* no initialization required (?) */
885 amiga_console_driver.write = amiga_serial_console_write;
886 register_console(&amiga_console_driver);
887 }
888 return 0;
889 }
890
891 early_param("debug", amiga_debug_setup);
892
893 #ifdef CONFIG_HEARTBEAT
894 static void amiga_heartbeat(int on)
895 {
896 if (on)
897 ciaa.pra &= ~2;
898 else
899 ciaa.pra |= 2;
900 }
901 #endif
902
903 /*
904 * Amiga specific parts of /proc
905 */
906
907 static void amiga_get_model(char *model)
908 {
909 strcpy(model, amiga_model_name);
910 }
911
912
913 static int amiga_get_hardware_list(char *buffer)
914 {
915 int len = 0;
916
917 if (AMIGAHW_PRESENT(CHIP_RAM))
918 len += sprintf(buffer+len, "Chip RAM:\t%ldK\n", amiga_chip_size>>10);
919 len += sprintf(buffer+len, "PS Freq:\t%dHz\nEClock Freq:\t%ldHz\n",
920 amiga_psfreq, amiga_eclock);
921 if (AMIGAHW_PRESENT(AMI_VIDEO)) {
922 char *type;
923 switch (amiga_chipset) {
924 case CS_OCS:
925 type = "OCS";
926 break;
927 case CS_ECS:
928 type = "ECS";
929 break;
930 case CS_AGA:
931 type = "AGA";
932 break;
933 default:
934 type = "Old or Unknown";
935 break;
936 }
937 len += sprintf(buffer+len, "Graphics:\t%s\n", type);
938 }
939
940 #define AMIGAHW_ANNOUNCE(name, str) \
941 if (AMIGAHW_PRESENT(name)) \
942 len += sprintf (buffer+len, "\t%s\n", str)
943
944 len += sprintf (buffer + len, "Detected hardware:\n");
945
946 AMIGAHW_ANNOUNCE(AMI_VIDEO, "Amiga Video");
947 AMIGAHW_ANNOUNCE(AMI_BLITTER, "Blitter");
948 AMIGAHW_ANNOUNCE(AMBER_FF, "Amber Flicker Fixer");
949 AMIGAHW_ANNOUNCE(AMI_AUDIO, "Amiga Audio");
950 AMIGAHW_ANNOUNCE(AMI_FLOPPY, "Floppy Controller");
951 AMIGAHW_ANNOUNCE(A3000_SCSI, "SCSI Controller WD33C93 (A3000 style)");
952 AMIGAHW_ANNOUNCE(A4000_SCSI, "SCSI Controller NCR53C710 (A4000T style)");
953 AMIGAHW_ANNOUNCE(A1200_IDE, "IDE Interface (A1200 style)");
954 AMIGAHW_ANNOUNCE(A4000_IDE, "IDE Interface (A4000 style)");
955 AMIGAHW_ANNOUNCE(CD_ROM, "Internal CD ROM drive");
956 AMIGAHW_ANNOUNCE(AMI_KEYBOARD, "Keyboard");
957 AMIGAHW_ANNOUNCE(AMI_MOUSE, "Mouse Port");
958 AMIGAHW_ANNOUNCE(AMI_SERIAL, "Serial Port");
959 AMIGAHW_ANNOUNCE(AMI_PARALLEL, "Parallel Port");
960 AMIGAHW_ANNOUNCE(A2000_CLK, "Hardware Clock (A2000 style)");
961 AMIGAHW_ANNOUNCE(A3000_CLK, "Hardware Clock (A3000 style)");
962 AMIGAHW_ANNOUNCE(CHIP_RAM, "Chip RAM");
963 AMIGAHW_ANNOUNCE(PAULA, "Paula 8364");
964 AMIGAHW_ANNOUNCE(DENISE, "Denise 8362");
965 AMIGAHW_ANNOUNCE(DENISE_HR, "Denise 8373");
966 AMIGAHW_ANNOUNCE(LISA, "Lisa 8375");
967 AMIGAHW_ANNOUNCE(AGNUS_PAL, "Normal/Fat PAL Agnus 8367/8371");
968 AMIGAHW_ANNOUNCE(AGNUS_NTSC, "Normal/Fat NTSC Agnus 8361/8370");
969 AMIGAHW_ANNOUNCE(AGNUS_HR_PAL, "Fat Hires PAL Agnus 8372");
970 AMIGAHW_ANNOUNCE(AGNUS_HR_NTSC, "Fat Hires NTSC Agnus 8372");
971 AMIGAHW_ANNOUNCE(ALICE_PAL, "PAL Alice 8374");
972 AMIGAHW_ANNOUNCE(ALICE_NTSC, "NTSC Alice 8374");
973 AMIGAHW_ANNOUNCE(MAGIC_REKICK, "Magic Hard Rekick");
974 AMIGAHW_ANNOUNCE(PCMCIA, "PCMCIA Slot");
975 #ifdef CONFIG_ZORRO
976 if (AMIGAHW_PRESENT(ZORRO))
977 len += sprintf(buffer+len, "\tZorro II%s AutoConfig: %d Expansion "
978 "Device%s\n",
979 AMIGAHW_PRESENT(ZORRO3) ? "I" : "",
980 zorro_num_autocon, zorro_num_autocon == 1 ? "" : "s");
981 #endif /* CONFIG_ZORRO */
982
983 #undef AMIGAHW_ANNOUNCE
984
985 return len;
986 }
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