tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
1#define m68k_debug_device debug_device
2
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/kd.h>
19#include <linux/tty.h>
20#include <linux/console.h>
21#include <linux/init.h>
22#ifdef CONFIG_ZORRO
23#include <linux/zorro.h>
24#endif
25
26#include <asm/bootinfo.h>
27#include <asm/setup.h>
28#include <asm/system.h>
29#include <asm/pgtable.h>
30#include <asm/amigahw.h>
31#include <asm/amigaints.h>
32#include <asm/irq.h>
33#include <asm/machdep.h>
34#include <asm/io.h>
35
36unsigned long powerup_PCI_present;
37unsigned long powerup_BPPCPLUS_present;
38unsigned long amiga_model;
39unsigned long amiga_eclock;
40unsigned long amiga_masterclock;
41unsigned long amiga_colorclock;
42unsigned long amiga_chipset;
43unsigned char amiga_vblank;
44unsigned char amiga_psfreq;
45struct amiga_hw_present amiga_hw_present;
46
47static char s_a500[] __initdata = "A500";
48static char s_a500p[] __initdata = "A500+";
49static char s_a600[] __initdata = "A600";
50static char s_a1000[] __initdata = "A1000";
51static char s_a1200[] __initdata = "A1200";
52static char s_a2000[] __initdata = "A2000";
53static char s_a2500[] __initdata = "A2500";
54static char s_a3000[] __initdata = "A3000";
55static char s_a3000t[] __initdata = "A3000T";
56static char s_a3000p[] __initdata = "A3000+";
57static char s_a4000[] __initdata = "A4000";
58static char s_a4000t[] __initdata = "A4000T";
59static char s_cdtv[] __initdata = "CDTV";
60static char s_cd32[] __initdata = "CD32";
61static char s_draco[] __initdata = "Draco";
62static char *amiga_models[] __initdata = {
63 s_a500, s_a500p, s_a600, s_a1000, s_a1200, s_a2000, s_a2500, s_a3000,
64 s_a3000t, s_a3000p, s_a4000, s_a4000t, s_cdtv, s_cd32, s_draco,
65};
66
67static char amiga_model_name[13] = "Amiga ";
68
69extern char m68k_debug_device[];
70
71static void amiga_sched_init(irqreturn_t (*handler)(int, void *, struct pt_regs *));
72/* amiga specific irq functions */
73extern void amiga_init_IRQ (void);
74extern void (*amiga_default_handler[]) (int, void *, struct pt_regs *);
75extern int amiga_request_irq (unsigned int irq,
76 void (*handler)(int, void *, struct pt_regs *),
77 unsigned long flags, const char *devname,
78 void *dev_id);
79extern void amiga_free_irq (unsigned int irq, void *dev_id);
80extern void amiga_enable_irq (unsigned int);
81extern void amiga_disable_irq (unsigned int);
82static void amiga_get_model(char *model);
83static int amiga_get_hardware_list(char *buffer);
84/* amiga specific timer functions */
85static unsigned long amiga_gettimeoffset (void);
86static void a3000_gettod (int *, int *, int *, int *, int *, int *);
87static void a2000_gettod (int *, int *, int *, int *, int *, int *);
88static int amiga_hwclk (int, struct hwclk_time *);
89static int amiga_set_clock_mmss (unsigned long);
90static void amiga_reset (void);
91extern void amiga_init_sound(void);
92static void amiga_savekmsg_init(void);
93static void amiga_mem_console_write(struct console *co, const char *b,
94 unsigned int count);
95void amiga_serial_console_write(struct console *co, const char *s,
96 unsigned int count);
97static void amiga_debug_init(void);
98#ifdef CONFIG_HEARTBEAT
99static void amiga_heartbeat(int on);
100#endif
101
102static struct console amiga_console_driver = {
103 .name = "debug",
104 .flags = CON_PRINTBUFFER,
105 .index = -1,
106};
107
108
109 /*
110 * Motherboard Resources present in all Amiga models
111 */
112
113static struct {
114 struct resource _ciab, _ciaa, _custom, _kickstart;
115} mb_resources = {
116// { "Ranger Memory", 0x00c00000, 0x00c7ffff },
117 ._ciab = { "CIA B", 0x00bfd000, 0x00bfdfff },
118 ._ciaa = { "CIA A", 0x00bfe000, 0x00bfefff },
119 ._custom = { "Custom I/O", 0x00dff000, 0x00dfffff },
120 ._kickstart = { "Kickstart ROM", 0x00f80000, 0x00ffffff }
121};
122
123static struct resource rtc_resource = {
124 NULL, 0x00dc0000, 0x00dcffff
125};
126
127static struct resource ram_resource[NUM_MEMINFO];
128
129
130 /*
131 * Parse an Amiga-specific record in the bootinfo
132 */
133
134int amiga_parse_bootinfo(const struct bi_record *record)
135{
136 int unknown = 0;
137 const unsigned long *data = record->data;
138
139 switch (record->tag) {
140 case BI_AMIGA_MODEL:
141 {
142 unsigned long d = *data;
143
144 powerup_PCI_present = d & 0x100;
145 amiga_model = d & 0xff;
146 }
147 break;
148
149 case BI_AMIGA_ECLOCK:
150 amiga_eclock = *data;
151 break;
152
153 case BI_AMIGA_CHIPSET:
154 amiga_chipset = *data;
155 break;
156
157 case BI_AMIGA_CHIP_SIZE:
158 amiga_chip_size = *(const int *)data;
159 break;
160
161 case BI_AMIGA_VBLANK:
162 amiga_vblank = *(const unsigned char *)data;
163 break;
164
165 case BI_AMIGA_PSFREQ:
166 amiga_psfreq = *(const unsigned char *)data;
167 break;
168
169 case BI_AMIGA_AUTOCON:
170#ifdef CONFIG_ZORRO
171 if (zorro_num_autocon < ZORRO_NUM_AUTO) {
172 const struct ConfigDev *cd = (struct ConfigDev *)data;
173 struct zorro_dev *dev = &zorro_autocon[zorro_num_autocon++];
174 dev->rom = cd->cd_Rom;
175 dev->slotaddr = cd->cd_SlotAddr;
176 dev->slotsize = cd->cd_SlotSize;
177 dev->resource.start = (unsigned long)cd->cd_BoardAddr;
178 dev->resource.end = dev->resource.start+cd->cd_BoardSize-1;
179 } else
180 printk("amiga_parse_bootinfo: too many AutoConfig devices\n");
181#endif /* CONFIG_ZORRO */
182 break;
183
184 case BI_AMIGA_SERPER:
185 /* serial port period: ignored here */
186 break;
187
188 case BI_AMIGA_PUP_BRIDGE:
189 powerup_PCI_present = *(const unsigned short *)data;
190 break;
191
192 case BI_AMIGA_BPPC_SCSI:
193 powerup_BPPCPLUS_present = *(const unsigned short *)data;
194 break;
195
196 default:
197 unknown = 1;
198 }
199 return(unknown);
200}
201
202 /*
203 * Identify builtin hardware
204 */
205
206static void __init amiga_identify(void)
207{
208 /* Fill in some default values, if necessary */
209 if (amiga_eclock == 0)
210 amiga_eclock = 709379;
211
212 memset(&amiga_hw_present, 0, sizeof(amiga_hw_present));
213
214 printk("Amiga hardware found: ");
215 if (amiga_model >= AMI_500 && amiga_model <= AMI_DRACO) {
216 printk("[%s] ", amiga_models[amiga_model-AMI_500]);
217 strcat(amiga_model_name, amiga_models[amiga_model-AMI_500]);
218 }
219
220 switch(amiga_model) {
221 case AMI_UNKNOWN:
222 goto Generic;
223
224 case AMI_600:
225 case AMI_1200:
226 AMIGAHW_SET(A1200_IDE);
227 AMIGAHW_SET(PCMCIA);
228 case AMI_500:
229 case AMI_500PLUS:
230 case AMI_1000:
231 case AMI_2000:
232 case AMI_2500:
233 AMIGAHW_SET(A2000_CLK); /* Is this correct for all models? */
234 goto Generic;
235
236 case AMI_3000:
237 case AMI_3000T:
238 AMIGAHW_SET(AMBER_FF);
239 AMIGAHW_SET(MAGIC_REKICK);
240 /* fall through */
241 case AMI_3000PLUS:
242 AMIGAHW_SET(A3000_SCSI);
243 AMIGAHW_SET(A3000_CLK);
244 AMIGAHW_SET(ZORRO3);
245 goto Generic;
246
247 case AMI_4000T:
248 AMIGAHW_SET(A4000_SCSI);
249 /* fall through */
250 case AMI_4000:
251 AMIGAHW_SET(A4000_IDE);
252 AMIGAHW_SET(A3000_CLK);
253 AMIGAHW_SET(ZORRO3);
254 goto Generic;
255
256 case AMI_CDTV:
257 case AMI_CD32:
258 AMIGAHW_SET(CD_ROM);
259 AMIGAHW_SET(A2000_CLK); /* Is this correct? */
260 goto Generic;
261
262 Generic:
263 AMIGAHW_SET(AMI_VIDEO);
264 AMIGAHW_SET(AMI_BLITTER);
265 AMIGAHW_SET(AMI_AUDIO);
266 AMIGAHW_SET(AMI_FLOPPY);
267 AMIGAHW_SET(AMI_KEYBOARD);
268 AMIGAHW_SET(AMI_MOUSE);
269 AMIGAHW_SET(AMI_SERIAL);
270 AMIGAHW_SET(AMI_PARALLEL);
271 AMIGAHW_SET(CHIP_RAM);
272 AMIGAHW_SET(PAULA);
273
274 switch(amiga_chipset) {
275 case CS_OCS:
276 case CS_ECS:
277 case CS_AGA:
278 switch (amiga_custom.deniseid & 0xf) {
279 case 0x0c:
280 AMIGAHW_SET(DENISE_HR);
281 break;
282 case 0x08:
283 AMIGAHW_SET(LISA);
284 break;
285 }
286 break;
287 default:
288 AMIGAHW_SET(DENISE);
289 break;
290 }
291 switch ((amiga_custom.vposr>>8) & 0x7f) {
292 case 0x00:
293 AMIGAHW_SET(AGNUS_PAL);
294 break;
295 case 0x10:
296 AMIGAHW_SET(AGNUS_NTSC);
297 break;
298 case 0x20:
299 case 0x21:
300 AMIGAHW_SET(AGNUS_HR_PAL);
301 break;
302 case 0x30:
303 case 0x31:
304 AMIGAHW_SET(AGNUS_HR_NTSC);
305 break;
306 case 0x22:
307 case 0x23:
308 AMIGAHW_SET(ALICE_PAL);
309 break;
310 case 0x32:
311 case 0x33:
312 AMIGAHW_SET(ALICE_NTSC);
313 break;
314 }
315 AMIGAHW_SET(ZORRO);
316 break;
317
318 case AMI_DRACO:
319 panic("No support for Draco yet");
320
321 default:
322 panic("Unknown Amiga Model");
323 }
324
325#define AMIGAHW_ANNOUNCE(name, str) \
326 if (AMIGAHW_PRESENT(name)) \
327 printk(str)
328
329 AMIGAHW_ANNOUNCE(AMI_VIDEO, "VIDEO ");
330 AMIGAHW_ANNOUNCE(AMI_BLITTER, "BLITTER ");
331 AMIGAHW_ANNOUNCE(AMBER_FF, "AMBER_FF ");
332 AMIGAHW_ANNOUNCE(AMI_AUDIO, "AUDIO ");
333 AMIGAHW_ANNOUNCE(AMI_FLOPPY, "FLOPPY ");
334 AMIGAHW_ANNOUNCE(A3000_SCSI, "A3000_SCSI ");
335 AMIGAHW_ANNOUNCE(A4000_SCSI, "A4000_SCSI ");
336 AMIGAHW_ANNOUNCE(A1200_IDE, "A1200_IDE ");
337 AMIGAHW_ANNOUNCE(A4000_IDE, "A4000_IDE ");
338 AMIGAHW_ANNOUNCE(CD_ROM, "CD_ROM ");
339 AMIGAHW_ANNOUNCE(AMI_KEYBOARD, "KEYBOARD ");
340 AMIGAHW_ANNOUNCE(AMI_MOUSE, "MOUSE ");
341 AMIGAHW_ANNOUNCE(AMI_SERIAL, "SERIAL ");
342 AMIGAHW_ANNOUNCE(AMI_PARALLEL, "PARALLEL ");
343 AMIGAHW_ANNOUNCE(A2000_CLK, "A2000_CLK ");
344 AMIGAHW_ANNOUNCE(A3000_CLK, "A3000_CLK ");
345 AMIGAHW_ANNOUNCE(CHIP_RAM, "CHIP_RAM ");
346 AMIGAHW_ANNOUNCE(PAULA, "PAULA ");
347 AMIGAHW_ANNOUNCE(DENISE, "DENISE ");
348 AMIGAHW_ANNOUNCE(DENISE_HR, "DENISE_HR ");
349 AMIGAHW_ANNOUNCE(LISA, "LISA ");
350 AMIGAHW_ANNOUNCE(AGNUS_PAL, "AGNUS_PAL ");
351 AMIGAHW_ANNOUNCE(AGNUS_NTSC, "AGNUS_NTSC ");
352 AMIGAHW_ANNOUNCE(AGNUS_HR_PAL, "AGNUS_HR_PAL ");
353 AMIGAHW_ANNOUNCE(AGNUS_HR_NTSC, "AGNUS_HR_NTSC ");
354 AMIGAHW_ANNOUNCE(ALICE_PAL, "ALICE_PAL ");
355 AMIGAHW_ANNOUNCE(ALICE_NTSC, "ALICE_NTSC ");
356 AMIGAHW_ANNOUNCE(MAGIC_REKICK, "MAGIC_REKICK ");
357 AMIGAHW_ANNOUNCE(PCMCIA, "PCMCIA ");
358 if (AMIGAHW_PRESENT(ZORRO))
359 printk("ZORRO%s ", AMIGAHW_PRESENT(ZORRO3) ? "3" : "");
360 printk("\n");
361
362#undef AMIGAHW_ANNOUNCE
363}
364
365 /*
366 * Setup the Amiga configuration info
367 */
368
369void __init config_amiga(void)
370{
371 int i;
372
373 amiga_debug_init();
374 amiga_identify();
375
376 /* Some APUS boxes may have PCI memory, but ... */
377 iomem_resource.name = "Memory";
378 for (i = 0; i < 4; i++)
379 request_resource(&iomem_resource, &((struct resource *)&mb_resources)[i]);
380
381 mach_sched_init = amiga_sched_init;
382 mach_init_IRQ = amiga_init_IRQ;
383#ifndef CONFIG_APUS
384 mach_default_handler = &amiga_default_handler;
385 mach_request_irq = amiga_request_irq;
386 mach_free_irq = amiga_free_irq;
387 enable_irq = amiga_enable_irq;
388 disable_irq = amiga_disable_irq;
389#endif
390 mach_get_model = amiga_get_model;
391 mach_get_hardware_list = amiga_get_hardware_list;
392 mach_gettimeoffset = amiga_gettimeoffset;
393 if (AMIGAHW_PRESENT(A3000_CLK)){
394 mach_gettod = a3000_gettod;
395 rtc_resource.name = "A3000 RTC";
396 request_resource(&iomem_resource, &rtc_resource);
397 }
398 else{ /* if (AMIGAHW_PRESENT(A2000_CLK)) */
399 mach_gettod = a2000_gettod;
400 rtc_resource.name = "A2000 RTC";
401 request_resource(&iomem_resource, &rtc_resource);
402 }
403
404 mach_max_dma_address = 0xffffffff; /*
405 * default MAX_DMA=0xffffffff
406 * on all machines. If we don't
407 * do so, the SCSI code will not
408 * be able to allocate any mem
409 * for transfers, unless we are
410 * dealing with a Z2 mem only
411 * system. /Jes
412 */
413
414 mach_hwclk = amiga_hwclk;
415 mach_set_clock_mmss = amiga_set_clock_mmss;
416 mach_reset = amiga_reset;
417#ifdef CONFIG_HEARTBEAT
418 mach_heartbeat = amiga_heartbeat;
419#endif
420
421 /* Fill in the clock values (based on the 700 kHz E-Clock) */
422 amiga_masterclock = 40*amiga_eclock; /* 28 MHz */
423 amiga_colorclock = 5*amiga_eclock; /* 3.5 MHz */
424
425 /* clear all DMA bits */
426 amiga_custom.dmacon = DMAF_ALL;
427 /* ensure that the DMA master bit is set */
428 amiga_custom.dmacon = DMAF_SETCLR | DMAF_MASTER;
429
430 /* request all RAM */
431 for (i = 0; i < m68k_num_memory; i++) {
432 ram_resource[i].name =
433 (m68k_memory[i].addr >= 0x01000000) ? "32-bit Fast RAM" :
434 (m68k_memory[i].addr < 0x00c00000) ? "16-bit Fast RAM" :
435 "16-bit Slow RAM";
436 ram_resource[i].start = m68k_memory[i].addr;
437 ram_resource[i].end = m68k_memory[i].addr+m68k_memory[i].size-1;
438 request_resource(&iomem_resource, &ram_resource[i]);
439 }
440
441 /* initialize chipram allocator */
442 amiga_chip_init ();
443
444 /* debugging using chipram */
445 if (!strcmp( m68k_debug_device, "mem" )){
446 if (!AMIGAHW_PRESENT(CHIP_RAM))
447 printk("Warning: no chipram present for debugging\n");
448 else {
449 amiga_savekmsg_init();
450 amiga_console_driver.write = amiga_mem_console_write;
451 register_console(&amiga_console_driver);
452 }
453 }
454
455 /* our beloved beeper */
456 if (AMIGAHW_PRESENT(AMI_AUDIO))
457 amiga_init_sound();
458
459 /*
460 * if it is an A3000, set the magic bit that forces
461 * a hard rekick
462 */
463 if (AMIGAHW_PRESENT(MAGIC_REKICK))
464 *(unsigned char *)ZTWO_VADDR(0xde0002) |= 0x80;
465}
466
467static unsigned short jiffy_ticks;
468
469static void __init amiga_sched_init(irqreturn_t (*timer_routine)(int, void *,
470 struct pt_regs *))
471{
472 static struct resource sched_res = {
473 "timer", 0x00bfd400, 0x00bfd5ff,
474 };
475 jiffy_ticks = (amiga_eclock+HZ/2)/HZ;
476
477 if (request_resource(&mb_resources._ciab, &sched_res))
478 printk("Cannot allocate ciab.ta{lo,hi}\n");
479 ciab.cra &= 0xC0; /* turn off timer A, continuous mode, from Eclk */
480 ciab.talo = jiffy_ticks % 256;
481 ciab.tahi = jiffy_ticks / 256;
482
483 /* install interrupt service routine for CIAB Timer A
484 *
485 * Please don't change this to use ciaa, as it interferes with the
486 * SCSI code. We'll have to take a look at this later
487 */
488 request_irq(IRQ_AMIGA_CIAB_TA, timer_routine, 0, "timer", NULL);
489 /* start timer */
490 ciab.cra |= 0x11;
491}
492
493#define TICK_SIZE 10000
494
495extern unsigned char cia_get_irq_mask(unsigned int irq);
496
497/* This is always executed with interrupts disabled. */
498static unsigned long amiga_gettimeoffset (void)
499{
500 unsigned short hi, lo, hi2;
501 unsigned long ticks, offset = 0;
502
503 /* read CIA B timer A current value */
504 hi = ciab.tahi;
505 lo = ciab.talo;
506 hi2 = ciab.tahi;
507
508 if (hi != hi2) {
509 lo = ciab.talo;
510 hi = hi2;
511 }
512
513 ticks = hi << 8 | lo;
514
515 if (ticks > jiffy_ticks / 2)
516 /* check for pending interrupt */
517 if (cia_get_irq_mask(IRQ_AMIGA_CIAB) & CIA_ICR_TA)
518 offset = 10000;
519
520 ticks = jiffy_ticks - ticks;
521 ticks = (10000 * ticks) / jiffy_ticks;
522
523 return ticks + offset;
524}
525
526static void a3000_gettod (int *yearp, int *monp, int *dayp,
527 int *hourp, int *minp, int *secp)
528{
529 volatile struct tod3000 *tod = TOD_3000;
530
531 tod->cntrl1 = TOD3000_CNTRL1_HOLD;
532
533 *secp = tod->second1 * 10 + tod->second2;
534 *minp = tod->minute1 * 10 + tod->minute2;
535 *hourp = tod->hour1 * 10 + tod->hour2;
536 *dayp = tod->day1 * 10 + tod->day2;
537 *monp = tod->month1 * 10 + tod->month2;
538 *yearp = tod->year1 * 10 + tod->year2;
539
540 tod->cntrl1 = TOD3000_CNTRL1_FREE;
541}
542
543static void a2000_gettod (int *yearp, int *monp, int *dayp,
544 int *hourp, int *minp, int *secp)
545{
546 volatile struct tod2000 *tod = TOD_2000;
547
548 tod->cntrl1 = TOD2000_CNTRL1_HOLD;
549
550 while (tod->cntrl1 & TOD2000_CNTRL1_BUSY)
551 ;
552
553 *secp = tod->second1 * 10 + tod->second2;
554 *minp = tod->minute1 * 10 + tod->minute2;
555 *hourp = (tod->hour1 & 3) * 10 + tod->hour2;
556 *dayp = tod->day1 * 10 + tod->day2;
557 *monp = tod->month1 * 10 + tod->month2;
558 *yearp = tod->year1 * 10 + tod->year2;
559
560 if (!(tod->cntrl3 & TOD2000_CNTRL3_24HMODE)){
561 if (!(tod->hour1 & TOD2000_HOUR1_PM) && *hourp == 12)
562 *hourp = 0;
563 else if ((tod->hour1 & TOD2000_HOUR1_PM) && *hourp != 12)
564 *hourp += 12;
565 }
566
567 tod->cntrl1 &= ~TOD2000_CNTRL1_HOLD;
568}
569
570static int amiga_hwclk(int op, struct hwclk_time *t)
571{
572 if (AMIGAHW_PRESENT(A3000_CLK)) {
573 volatile struct tod3000 *tod = TOD_3000;
574
575 tod->cntrl1 = TOD3000_CNTRL1_HOLD;
576
577 if (!op) { /* read */
578 t->sec = tod->second1 * 10 + tod->second2;
579 t->min = tod->minute1 * 10 + tod->minute2;
580 t->hour = tod->hour1 * 10 + tod->hour2;
581 t->day = tod->day1 * 10 + tod->day2;
582 t->wday = tod->weekday;
583 t->mon = tod->month1 * 10 + tod->month2 - 1;
584 t->year = tod->year1 * 10 + tod->year2;
585 if (t->year <= 69)
586 t->year += 100;
587 } else {
588 tod->second1 = t->sec / 10;
589 tod->second2 = t->sec % 10;
590 tod->minute1 = t->min / 10;
591 tod->minute2 = t->min % 10;
592 tod->hour1 = t->hour / 10;
593 tod->hour2 = t->hour % 10;
594 tod->day1 = t->day / 10;
595 tod->day2 = t->day % 10;
596 if (t->wday != -1)
597 tod->weekday = t->wday;
598 tod->month1 = (t->mon + 1) / 10;
599 tod->month2 = (t->mon + 1) % 10;
600 if (t->year >= 100)
601 t->year -= 100;
602 tod->year1 = t->year / 10;
603 tod->year2 = t->year % 10;
604 }
605
606 tod->cntrl1 = TOD3000_CNTRL1_FREE;
607 } else /* if (AMIGAHW_PRESENT(A2000_CLK)) */ {
608 volatile struct tod2000 *tod = TOD_2000;
609
610 tod->cntrl1 = TOD2000_CNTRL1_HOLD;
611
612 while (tod->cntrl1 & TOD2000_CNTRL1_BUSY)
613 ;
614
615 if (!op) { /* read */
616 t->sec = tod->second1 * 10 + tod->second2;
617 t->min = tod->minute1 * 10 + tod->minute2;
618 t->hour = (tod->hour1 & 3) * 10 + tod->hour2;
619 t->day = tod->day1 * 10 + tod->day2;
620 t->wday = tod->weekday;
621 t->mon = tod->month1 * 10 + tod->month2 - 1;
622 t->year = tod->year1 * 10 + tod->year2;
623 if (t->year <= 69)
624 t->year += 100;
625
626 if (!(tod->cntrl3 & TOD2000_CNTRL3_24HMODE)){
627 if (!(tod->hour1 & TOD2000_HOUR1_PM) && t->hour == 12)
628 t->hour = 0;
629 else if ((tod->hour1 & TOD2000_HOUR1_PM) && t->hour != 12)
630 t->hour += 12;
631 }
632 } else {
633 tod->second1 = t->sec / 10;
634 tod->second2 = t->sec % 10;
635 tod->minute1 = t->min / 10;
636 tod->minute2 = t->min % 10;
637 if (tod->cntrl3 & TOD2000_CNTRL3_24HMODE)
638 tod->hour1 = t->hour / 10;
639 else if (t->hour >= 12)
640 tod->hour1 = TOD2000_HOUR1_PM +
641 (t->hour - 12) / 10;
642 else
643 tod->hour1 = t->hour / 10;
644 tod->hour2 = t->hour % 10;
645 tod->day1 = t->day / 10;
646 tod->day2 = t->day % 10;
647 if (t->wday != -1)
648 tod->weekday = t->wday;
649 tod->month1 = (t->mon + 1) / 10;
650 tod->month2 = (t->mon + 1) % 10;
651 if (t->year >= 100)
652 t->year -= 100;
653 tod->year1 = t->year / 10;
654 tod->year2 = t->year % 10;
655 }
656
657 tod->cntrl1 &= ~TOD2000_CNTRL1_HOLD;
658 }
659
660 return 0;
661}
662
663static int amiga_set_clock_mmss (unsigned long nowtime)
664{
665 short real_seconds = nowtime % 60, real_minutes = (nowtime / 60) % 60;
666
667 if (AMIGAHW_PRESENT(A3000_CLK)) {
668 volatile struct tod3000 *tod = TOD_3000;
669
670 tod->cntrl1 = TOD3000_CNTRL1_HOLD;
671
672 tod->second1 = real_seconds / 10;
673 tod->second2 = real_seconds % 10;
674 tod->minute1 = real_minutes / 10;
675 tod->minute2 = real_minutes % 10;
676
677 tod->cntrl1 = TOD3000_CNTRL1_FREE;
678 } else /* if (AMIGAHW_PRESENT(A2000_CLK)) */ {
679 volatile struct tod2000 *tod = TOD_2000;
680
681 tod->cntrl1 = TOD2000_CNTRL1_HOLD;
682
683 while (tod->cntrl1 & TOD2000_CNTRL1_BUSY)
684 ;
685
686 tod->second1 = real_seconds / 10;
687 tod->second2 = real_seconds % 10;
688 tod->minute1 = real_minutes / 10;
689 tod->minute2 = real_minutes % 10;
690
691 tod->cntrl1 &= ~TOD2000_CNTRL1_HOLD;
692 }
693
694 return 0;
695}
696
697static NORET_TYPE void amiga_reset( void )
698 ATTRIB_NORET;
699
700static void amiga_reset (void)
701{
702 for (;;);
703}
704
705
706 /*
707 * Debugging
708 */
709
710#define SAVEKMSG_MAXMEM 128*1024
711
712#define SAVEKMSG_MAGIC1 0x53415645 /* 'SAVE' */
713#define SAVEKMSG_MAGIC2 0x4B4D5347 /* 'KMSG' */
714
715struct savekmsg {
716 unsigned long magic1; /* SAVEKMSG_MAGIC1 */
717 unsigned long magic2; /* SAVEKMSG_MAGIC2 */
718 unsigned long magicptr; /* address of magic1 */
719 unsigned long size;
720 char data[0];
721};
722
723static struct savekmsg *savekmsg = NULL;
724
725static void amiga_mem_console_write(struct console *co, const char *s,
726 unsigned int count)
727{
728 if (savekmsg->size+count <= SAVEKMSG_MAXMEM-sizeof(struct savekmsg)) {
729 memcpy(savekmsg->data+savekmsg->size, s, count);
730 savekmsg->size += count;
731 }
732}
733
734static void amiga_savekmsg_init(void)
735{
736 static struct resource debug_res = { "Debug" };
737
738 savekmsg = amiga_chip_alloc_res(SAVEKMSG_MAXMEM, &debug_res);
739 savekmsg->magic1 = SAVEKMSG_MAGIC1;
740 savekmsg->magic2 = SAVEKMSG_MAGIC2;
741 savekmsg->magicptr = virt_to_phys(savekmsg);
742 savekmsg->size = 0;
743}
744
745static void amiga_serial_putc(char c)
746{
747 amiga_custom.serdat = (unsigned char)c | 0x100;
748 mb();
749 while (!(amiga_custom.serdatr & 0x2000))
750 ;
751}
752
753void amiga_serial_console_write(struct console *co, const char *s,
754 unsigned int count)
755{
756#if 0 /* def CONFIG_KGDB */
757 /* FIXME:APUS GDB doesn't seem to like O-packages before it is
758 properly connected with the target. */
759 __gdb_output_string (s, count);
760#else
761 while (count--) {
762 if (*s == '\n')
763 amiga_serial_putc('\r');
764 amiga_serial_putc(*s++);
765 }
766#endif
767}
768
769#ifdef CONFIG_SERIAL_CONSOLE
770void amiga_serial_puts(const char *s)
771{
772 amiga_serial_console_write(NULL, s, strlen(s));
773}
774
775int amiga_serial_console_wait_key(struct console *co)
776{
777 int ch;
778
779 while (!(amiga_custom.intreqr & IF_RBF))
780 barrier();
781 ch = amiga_custom.serdatr & 0xff;
782 /* clear the interrupt, so that another character can be read */
783 amiga_custom.intreq = IF_RBF;
784 return ch;
785}
786
787void amiga_serial_gets(struct console *co, char *s, int len)
788{
789 int ch, cnt = 0;
790
791 while (1) {
792 ch = amiga_serial_console_wait_key(co);
793
794 /* Check for backspace. */
795 if (ch == 8 || ch == 127) {
796 if (cnt == 0) {
797 amiga_serial_putc('\007');
798 continue;
799 }
800 cnt--;
801 amiga_serial_puts("\010 \010");
802 continue;
803 }
804
805 /* Check for enter. */
806 if (ch == 10 || ch == 13)
807 break;
808
809 /* See if line is too long. */
810 if (cnt >= len + 1) {
811 amiga_serial_putc(7);
812 cnt--;
813 continue;
814 }
815
816 /* Store and echo character. */
817 s[cnt++] = ch;
818 amiga_serial_putc(ch);
819 }
820 /* Print enter. */
821 amiga_serial_puts("\r\n");
822 s[cnt] = 0;
823}
824#endif
825
826static void __init amiga_debug_init(void)
827{
828 if (!strcmp( m68k_debug_device, "ser" )) {
829 /* no initialization required (?) */
830 amiga_console_driver.write = amiga_serial_console_write;
831 register_console(&amiga_console_driver);
832 }
833}
834
835#ifdef CONFIG_HEARTBEAT
836static void amiga_heartbeat(int on)
837{
838 if (on)
839 ciaa.pra &= ~2;
840 else
841 ciaa.pra |= 2;
842}
843#endif
844
845 /*
846 * Amiga specific parts of /proc
847 */
848
849static void amiga_get_model(char *model)
850{
851 strcpy(model, amiga_model_name);
852}
853
854
855static int amiga_get_hardware_list(char *buffer)
856{
857 int len = 0;
858
859 if (AMIGAHW_PRESENT(CHIP_RAM))
860 len += sprintf(buffer+len, "Chip RAM:\t%ldK\n", amiga_chip_size>>10);
861 len += sprintf(buffer+len, "PS Freq:\t%dHz\nEClock Freq:\t%ldHz\n",
862 amiga_psfreq, amiga_eclock);
863 if (AMIGAHW_PRESENT(AMI_VIDEO)) {
864 char *type;
865 switch(amiga_chipset) {
866 case CS_OCS:
867 type = "OCS";
868 break;
869 case CS_ECS:
870 type = "ECS";
871 break;
872 case CS_AGA:
873 type = "AGA";
874 break;
875 default:
876 type = "Old or Unknown";
877 break;
878 }
879 len += sprintf(buffer+len, "Graphics:\t%s\n", type);
880 }
881
882#define AMIGAHW_ANNOUNCE(name, str) \
883 if (AMIGAHW_PRESENT(name)) \
884 len += sprintf (buffer+len, "\t%s\n", str)
885
886 len += sprintf (buffer + len, "Detected hardware:\n");
887
888 AMIGAHW_ANNOUNCE(AMI_VIDEO, "Amiga Video");
889 AMIGAHW_ANNOUNCE(AMI_BLITTER, "Blitter");
890 AMIGAHW_ANNOUNCE(AMBER_FF, "Amber Flicker Fixer");
891 AMIGAHW_ANNOUNCE(AMI_AUDIO, "Amiga Audio");
892 AMIGAHW_ANNOUNCE(AMI_FLOPPY, "Floppy Controller");
893 AMIGAHW_ANNOUNCE(A3000_SCSI, "SCSI Controller WD33C93 (A3000 style)");
894 AMIGAHW_ANNOUNCE(A4000_SCSI, "SCSI Controller NCR53C710 (A4000T style)");
895 AMIGAHW_ANNOUNCE(A1200_IDE, "IDE Interface (A1200 style)");
896 AMIGAHW_ANNOUNCE(A4000_IDE, "IDE Interface (A4000 style)");
897 AMIGAHW_ANNOUNCE(CD_ROM, "Internal CD ROM drive");
898 AMIGAHW_ANNOUNCE(AMI_KEYBOARD, "Keyboard");
899 AMIGAHW_ANNOUNCE(AMI_MOUSE, "Mouse Port");
900 AMIGAHW_ANNOUNCE(AMI_SERIAL, "Serial Port");
901 AMIGAHW_ANNOUNCE(AMI_PARALLEL, "Parallel Port");
902 AMIGAHW_ANNOUNCE(A2000_CLK, "Hardware Clock (A2000 style)");
903 AMIGAHW_ANNOUNCE(A3000_CLK, "Hardware Clock (A3000 style)");
904 AMIGAHW_ANNOUNCE(CHIP_RAM, "Chip RAM");
905 AMIGAHW_ANNOUNCE(PAULA, "Paula 8364");
906 AMIGAHW_ANNOUNCE(DENISE, "Denise 8362");
907 AMIGAHW_ANNOUNCE(DENISE_HR, "Denise 8373");
908 AMIGAHW_ANNOUNCE(LISA, "Lisa 8375");
909 AMIGAHW_ANNOUNCE(AGNUS_PAL, "Normal/Fat PAL Agnus 8367/8371");
910 AMIGAHW_ANNOUNCE(AGNUS_NTSC, "Normal/Fat NTSC Agnus 8361/8370");
911 AMIGAHW_ANNOUNCE(AGNUS_HR_PAL, "Fat Hires PAL Agnus 8372");
912 AMIGAHW_ANNOUNCE(AGNUS_HR_NTSC, "Fat Hires NTSC Agnus 8372");
913 AMIGAHW_ANNOUNCE(ALICE_PAL, "PAL Alice 8374");
914 AMIGAHW_ANNOUNCE(ALICE_NTSC, "NTSC Alice 8374");
915 AMIGAHW_ANNOUNCE(MAGIC_REKICK, "Magic Hard Rekick");
916 AMIGAHW_ANNOUNCE(PCMCIA, "PCMCIA Slot");
917 if (AMIGAHW_PRESENT(ZORRO))
918 len += sprintf(buffer+len, "\tZorro II%s AutoConfig: %d Expansion "
919 "Device%s\n",
920 AMIGAHW_PRESENT(ZORRO3) ? "I" : "",
921 zorro_num_autocon, zorro_num_autocon == 1 ? "" : "s");
922
923#undef AMIGAHW_ANNOUNCE
924
925 return(len);
926}
927
928#ifdef CONFIG_APUS
929int get_hardware_list(char *buffer)
930{
931 extern int get_cpuinfo(char *buffer);
932 int len = 0;
933 char model[80];
934 u_long mem;
935 int i;
936
937 if (mach_get_model)
938 mach_get_model(model);
939 else
940 strcpy(model, "Unknown PowerPC");
941
942 len += sprintf(buffer+len, "Model:\t\t%s\n", model);
943 len += get_cpuinfo(buffer+len);
944 for (mem = 0, i = 0; i < m68k_realnum_memory; i++)
945 mem += m68k_memory[i].size;
946 len += sprintf(buffer+len, "System Memory:\t%ldK\n", mem>>10);
947
948 if (mach_get_hardware_list)
949 len += mach_get_hardware_list(buffer+len);
950
951 return(len);
952}
953#endif