File: /usr/src/linux/arch/ppc/amiga/config.c
1 /*
2 * BK Id: SCCS/s.config.c 1.7 05/21/01 00:48:24 cort
3 */
4 #define m68k_debug_device debug_device
5
6 /*
7 * linux/arch/m68k/amiga/config.c
8 *
9 * Copyright (C) 1993 Hamish Macdonald
10 *
11 * This file is subject to the terms and conditions of the GNU General Public
12 * License. See the file COPYING in the main directory of this archive
13 * for more details.
14 */
15
16 /*
17 * Miscellaneous Amiga stuff
18 */
19
20 #include <linux/config.h>
21 #include <linux/types.h>
22 #include <linux/kernel.h>
23 #include <linux/mm.h>
24 #include <linux/kd.h>
25 #include <linux/tty.h>
26 #include <linux/console.h>
27 #include <linux/init.h>
28 #ifdef CONFIG_ZORRO
29 #include <linux/zorro.h>
30 #endif
31
32 #include <asm/bootinfo.h>
33 #include <asm/setup.h>
34 #include <asm/system.h>
35 #include <asm/pgtable.h>
36 #include <asm/amigahw.h>
37 #include <asm/amigaints.h>
38 #include <asm/irq.h>
39 #include <asm/keyboard.h>
40 #include <asm/machdep.h>
41 #include <asm/io.h>
42
43 unsigned long powerup_PCI_present;
44 unsigned long powerup_BPPCPLUS_present;
45 unsigned long amiga_model;
46 unsigned long amiga_eclock;
47 unsigned long amiga_masterclock;
48 unsigned long amiga_colorclock;
49 unsigned long amiga_chipset;
50 unsigned char amiga_vblank;
51 unsigned char amiga_psfreq;
52 struct amiga_hw_present amiga_hw_present;
53
54 static char s_a500[] __initdata = "A500";
55 static char s_a500p[] __initdata = "A500+";
56 static char s_a600[] __initdata = "A600";
57 static char s_a1000[] __initdata = "A1000";
58 static char s_a1200[] __initdata = "A1200";
59 static char s_a2000[] __initdata = "A2000";
60 static char s_a2500[] __initdata = "A2500";
61 static char s_a3000[] __initdata = "A3000";
62 static char s_a3000t[] __initdata = "A3000T";
63 static char s_a3000p[] __initdata = "A3000+";
64 static char s_a4000[] __initdata = "A4000";
65 static char s_a4000t[] __initdata = "A4000T";
66 static char s_cdtv[] __initdata = "CDTV";
67 static char s_cd32[] __initdata = "CD32";
68 static char s_draco[] __initdata = "Draco";
69 static char *amiga_models[] __initdata = {
70 s_a500, s_a500p, s_a600, s_a1000, s_a1200, s_a2000, s_a2500, s_a3000,
71 s_a3000t, s_a3000p, s_a4000, s_a4000t, s_cdtv, s_cd32, s_draco,
72 };
73
74 static char amiga_model_name[13] = "Amiga ";
75
76 extern char m68k_debug_device[];
77
78 static void amiga_sched_init(void (*handler)(int, void *, struct pt_regs *));
79 /* amiga specific keyboard functions */
80 extern int amiga_keyb_init(void);
81 extern int amiga_kbdrate (struct kbd_repeat *);
82 /* amiga specific irq functions */
83 extern void amiga_init_IRQ (void);
84 extern void (*amiga_default_handler[]) (int, void *, struct pt_regs *);
85 extern int amiga_request_irq (unsigned int irq,
86 void (*handler)(int, void *, struct pt_regs *),
87 unsigned long flags, const char *devname,
88 void *dev_id);
89 extern void amiga_free_irq (unsigned int irq, void *dev_id);
90 extern void amiga_enable_irq (unsigned int);
91 extern void amiga_disable_irq (unsigned int);
92 static void amiga_get_model(char *model);
93 static int amiga_get_hardware_list(char *buffer);
94 extern int amiga_get_irq_list (char *);
95 /* amiga specific timer functions */
96 static unsigned long amiga_gettimeoffset (void);
97 static void a3000_gettod (int *, int *, int *, int *, int *, int *);
98 static void a2000_gettod (int *, int *, int *, int *, int *, int *);
99 static int amiga_hwclk (int, struct hwclk_time *);
100 static int amiga_set_clock_mmss (unsigned long);
101 extern void amiga_mksound( unsigned int count, unsigned int ticks );
102 #ifdef CONFIG_AMIGA_FLOPPY
103 extern void amiga_floppy_setup(char *, int *);
104 #endif
105 static void amiga_reset (void);
106 static int amiga_wait_key (struct console *co);
107 extern void amiga_init_sound(void);
108 static void amiga_savekmsg_init(void);
109 static void amiga_mem_console_write(struct console *co, const char *b,
110 unsigned int count);
111 void amiga_serial_console_write(struct console *co, const char *s,
112 unsigned int count);
113 static void amiga_debug_init(void);
114 #ifdef CONFIG_HEARTBEAT
115 static void amiga_heartbeat(int on);
116 #endif
117
118 static struct console amiga_console_driver = {
119 name: "debug",
120 wait_key: amiga_wait_key,
121 flags: CON_PRINTBUFFER,
122 index: -1,
123 };
124
125 #ifdef CONFIG_MAGIC_SYSRQ
126 char amiga_sysrq_xlate[128] =
127 "\0001234567890-=\\\000\000" /* 0x00 - 0x0f */
128 "qwertyuiop[]\000123" /* 0x10 - 0x1f */
129 "asdfghjkl;'\000\000456" /* 0x20 - 0x2f */
130 "\000zxcvbnm,./\000+789" /* 0x30 - 0x3f */
131 " \177\t\r\r\000\177\000\000\000-\000\000\000\000\000" /* 0x40 - 0x4f */
132 "\000\201\202\203\204\205\206\207\210\211()/*+\000" /* 0x50 - 0x5f */
133 "\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000" /* 0x60 - 0x6f */
134 "\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000"; /* 0x70 - 0x7f */
135 #endif
136
137 extern void (*kd_mksound)(unsigned int, unsigned int);
138
139
140 /*
141 * Motherboard Resources present in all Amiga models
142 */
143
144 static struct {
145 struct resource _ciab, _ciaa, _custom, _kickstart;
146 } mb_resources = {
147 // { "Ranger Memory", 0x00c00000, 0x00c7ffff },
148 _ciab: { "CIA B", 0x00bfd000, 0x00bfdfff },
149 _ciaa: { "CIA A", 0x00bfe000, 0x00bfefff },
150 _custom: { "Custom I/O", 0x00dff000, 0x00dfffff },
151 _kickstart: { "Kickstart ROM", 0x00f80000, 0x00ffffff }
152 };
153
154 static struct resource rtc_resource = {
155 NULL, 0x00dc0000, 0x00dcffff
156 };
157
158 static struct resource ram_resource[NUM_MEMINFO];
159
160
161 /*
162 * Parse an Amiga-specific record in the bootinfo
163 */
164
165 int amiga_parse_bootinfo(const struct bi_record *record)
166 {
167 int unknown = 0;
168 const unsigned long *data = record->data;
169
170 switch (record->tag) {
171 case BI_AMIGA_MODEL:
172 {
173 unsigned long d = *data;
174
175 powerup_PCI_present = d & 0x100;
176 amiga_model = d & 0xff;
177 }
178 break;
179
180 case BI_AMIGA_ECLOCK:
181 amiga_eclock = *data;
182 break;
183
184 case BI_AMIGA_CHIPSET:
185 amiga_chipset = *data;
186 break;
187
188 case BI_AMIGA_CHIP_SIZE:
189 amiga_chip_size = *(const int *)data;
190 break;
191
192 case BI_AMIGA_VBLANK:
193 amiga_vblank = *(const unsigned char *)data;
194 break;
195
196 case BI_AMIGA_PSFREQ:
197 amiga_psfreq = *(const unsigned char *)data;
198 break;
199
200 case BI_AMIGA_AUTOCON:
201 #ifdef CONFIG_ZORRO
202 if (zorro_num_autocon < ZORRO_NUM_AUTO) {
203 const struct ConfigDev *cd = (struct ConfigDev *)data;
204 struct zorro_dev *dev = &zorro_autocon[zorro_num_autocon++];
205 dev->rom = cd->cd_Rom;
206 dev->slotaddr = cd->cd_SlotAddr;
207 dev->slotsize = cd->cd_SlotSize;
208 dev->resource.start = (unsigned long)cd->cd_BoardAddr;
209 dev->resource.end = dev->resource.start+cd->cd_BoardSize-1;
210 } else
211 printk("amiga_parse_bootinfo: too many AutoConfig devices\n");
212 #endif /* CONFIG_ZORRO */
213 break;
214
215 case BI_AMIGA_SERPER:
216 /* serial port period: ignored here */
217 break;
218
219 case BI_AMIGA_PUP_BRIDGE:
220 powerup_PCI_present = *(const unsigned short *)data;
221 break;
222
223 case BI_AMIGA_BPPC_SCSI:
224 powerup_BPPCPLUS_present = *(const unsigned short *)data;
225 break;
226
227 default:
228 unknown = 1;
229 }
230 return(unknown);
231 }
232
233 /*
234 * Identify builtin hardware
235 */
236
237 static void __init amiga_identify(void)
238 {
239 /* Fill in some default values, if necessary */
240 if (amiga_eclock == 0)
241 amiga_eclock = 709379;
242
243 memset(&amiga_hw_present, 0, sizeof(amiga_hw_present));
244
245 printk("Amiga hardware found: ");
246 if (amiga_model >= AMI_500 && amiga_model <= AMI_DRACO) {
247 printk("[%s] ", amiga_models[amiga_model-AMI_500]);
248 strcat(amiga_model_name, amiga_models[amiga_model-AMI_500]);
249 }
250
251 switch(amiga_model) {
252 case AMI_UNKNOWN:
253 goto Generic;
254
255 case AMI_600:
256 case AMI_1200:
257 AMIGAHW_SET(A1200_IDE);
258 AMIGAHW_SET(PCMCIA);
259 case AMI_500:
260 case AMI_500PLUS:
261 case AMI_1000:
262 case AMI_2000:
263 case AMI_2500:
264 AMIGAHW_SET(A2000_CLK); /* Is this correct for all models? */
265 goto Generic;
266
267 case AMI_3000:
268 case AMI_3000T:
269 AMIGAHW_SET(AMBER_FF);
270 AMIGAHW_SET(MAGIC_REKICK);
271 /* fall through */
272 case AMI_3000PLUS:
273 AMIGAHW_SET(A3000_SCSI);
274 AMIGAHW_SET(A3000_CLK);
275 AMIGAHW_SET(ZORRO3);
276 goto Generic;
277
278 case AMI_4000T:
279 AMIGAHW_SET(A4000_SCSI);
280 /* fall through */
281 case AMI_4000:
282 AMIGAHW_SET(A4000_IDE);
283 AMIGAHW_SET(A3000_CLK);
284 AMIGAHW_SET(ZORRO3);
285 goto Generic;
286
287 case AMI_CDTV:
288 case AMI_CD32:
289 AMIGAHW_SET(CD_ROM);
290 AMIGAHW_SET(A2000_CLK); /* Is this correct? */
291 goto Generic;
292
293 Generic:
294 AMIGAHW_SET(AMI_VIDEO);
295 AMIGAHW_SET(AMI_BLITTER);
296 AMIGAHW_SET(AMI_AUDIO);
297 AMIGAHW_SET(AMI_FLOPPY);
298 AMIGAHW_SET(AMI_KEYBOARD);
299 AMIGAHW_SET(AMI_MOUSE);
300 AMIGAHW_SET(AMI_SERIAL);
301 AMIGAHW_SET(AMI_PARALLEL);
302 AMIGAHW_SET(CHIP_RAM);
303 AMIGAHW_SET(PAULA);
304
305 switch(amiga_chipset) {
306 case CS_OCS:
307 case CS_ECS:
308 case CS_AGA:
309 switch (custom.deniseid & 0xf) {
310 case 0x0c:
311 AMIGAHW_SET(DENISE_HR);
312 break;
313 case 0x08:
314 AMIGAHW_SET(LISA);
315 break;
316 }
317 break;
318 default:
319 AMIGAHW_SET(DENISE);
320 break;
321 }
322 switch ((custom.vposr>>8) & 0x7f) {
323 case 0x00:
324 AMIGAHW_SET(AGNUS_PAL);
325 break;
326 case 0x10:
327 AMIGAHW_SET(AGNUS_NTSC);
328 break;
329 case 0x20:
330 case 0x21:
331 AMIGAHW_SET(AGNUS_HR_PAL);
332 break;
333 case 0x30:
334 case 0x31:
335 AMIGAHW_SET(AGNUS_HR_NTSC);
336 break;
337 case 0x22:
338 case 0x23:
339 AMIGAHW_SET(ALICE_PAL);
340 break;
341 case 0x32:
342 case 0x33:
343 AMIGAHW_SET(ALICE_NTSC);
344 break;
345 }
346 AMIGAHW_SET(ZORRO);
347 break;
348
349 case AMI_DRACO:
350 panic("No support for Draco yet");
351
352 default:
353 panic("Unknown Amiga Model");
354 }
355
356 #define AMIGAHW_ANNOUNCE(name, str) \
357 if (AMIGAHW_PRESENT(name)) \
358 printk(str)
359
360 AMIGAHW_ANNOUNCE(AMI_VIDEO, "VIDEO ");
361 AMIGAHW_ANNOUNCE(AMI_BLITTER, "BLITTER ");
362 AMIGAHW_ANNOUNCE(AMBER_FF, "AMBER_FF ");
363 AMIGAHW_ANNOUNCE(AMI_AUDIO, "AUDIO ");
364 AMIGAHW_ANNOUNCE(AMI_FLOPPY, "FLOPPY ");
365 AMIGAHW_ANNOUNCE(A3000_SCSI, "A3000_SCSI ");
366 AMIGAHW_ANNOUNCE(A4000_SCSI, "A4000_SCSI ");
367 AMIGAHW_ANNOUNCE(A1200_IDE, "A1200_IDE ");
368 AMIGAHW_ANNOUNCE(A4000_IDE, "A4000_IDE ");
369 AMIGAHW_ANNOUNCE(CD_ROM, "CD_ROM ");
370 AMIGAHW_ANNOUNCE(AMI_KEYBOARD, "KEYBOARD ");
371 AMIGAHW_ANNOUNCE(AMI_MOUSE, "MOUSE ");
372 AMIGAHW_ANNOUNCE(AMI_SERIAL, "SERIAL ");
373 AMIGAHW_ANNOUNCE(AMI_PARALLEL, "PARALLEL ");
374 AMIGAHW_ANNOUNCE(A2000_CLK, "A2000_CLK ");
375 AMIGAHW_ANNOUNCE(A3000_CLK, "A3000_CLK ");
376 AMIGAHW_ANNOUNCE(CHIP_RAM, "CHIP_RAM ");
377 AMIGAHW_ANNOUNCE(PAULA, "PAULA ");
378 AMIGAHW_ANNOUNCE(DENISE, "DENISE ");
379 AMIGAHW_ANNOUNCE(DENISE_HR, "DENISE_HR ");
380 AMIGAHW_ANNOUNCE(LISA, "LISA ");
381 AMIGAHW_ANNOUNCE(AGNUS_PAL, "AGNUS_PAL ");
382 AMIGAHW_ANNOUNCE(AGNUS_NTSC, "AGNUS_NTSC ");
383 AMIGAHW_ANNOUNCE(AGNUS_HR_PAL, "AGNUS_HR_PAL ");
384 AMIGAHW_ANNOUNCE(AGNUS_HR_NTSC, "AGNUS_HR_NTSC ");
385 AMIGAHW_ANNOUNCE(ALICE_PAL, "ALICE_PAL ");
386 AMIGAHW_ANNOUNCE(ALICE_NTSC, "ALICE_NTSC ");
387 AMIGAHW_ANNOUNCE(MAGIC_REKICK, "MAGIC_REKICK ");
388 AMIGAHW_ANNOUNCE(PCMCIA, "PCMCIA ");
389 if (AMIGAHW_PRESENT(ZORRO))
390 printk("ZORRO%s ", AMIGAHW_PRESENT(ZORRO3) ? "3" : "");
391 printk("\n");
392
393 #undef AMIGAHW_ANNOUNCE
394 }
395
396 /*
397 * Setup the Amiga configuration info
398 */
399
400 void __init config_amiga(void)
401 {
402 int i;
403
404 amiga_debug_init();
405 amiga_identify();
406
407 /* Some APUS boxes may have PCI memory, but ... */
408 iomem_resource.name = "Memory";
409 for (i = 0; i < 4; i++)
410 request_resource(&iomem_resource, &((struct resource *)&mb_resources)[i]);
411
412 mach_sched_init = amiga_sched_init;
413 mach_keyb_init = amiga_keyb_init;
414 mach_kbdrate = amiga_kbdrate;
415 mach_init_IRQ = amiga_init_IRQ;
416 mach_default_handler = &amiga_default_handler;
417 #ifndef CONFIG_APUS
418 mach_request_irq = amiga_request_irq;
419 mach_free_irq = amiga_free_irq;
420 enable_irq = amiga_enable_irq;
421 disable_irq = amiga_disable_irq;
422 #endif
423 mach_get_model = amiga_get_model;
424 mach_get_hardware_list = amiga_get_hardware_list;
425 mach_get_irq_list = amiga_get_irq_list;
426 mach_gettimeoffset = amiga_gettimeoffset;
427 if (AMIGAHW_PRESENT(A3000_CLK)){
428 mach_gettod = a3000_gettod;
429 rtc_resource.name = "A3000 RTC";
430 request_resource(&iomem_resource, &rtc_resource);
431 }
432 else{ /* if (AMIGAHW_PRESENT(A2000_CLK)) */
433 mach_gettod = a2000_gettod;
434 rtc_resource.name = "A2000 RTC";
435 request_resource(&iomem_resource, &rtc_resource);
436 }
437
438 mach_max_dma_address = 0xffffffff; /*
439 * default MAX_DMA=0xffffffff
440 * on all machines. If we don't
441 * do so, the SCSI code will not
442 * be able to allocate any mem
443 * for transfers, unless we are
444 * dealing with a Z2 mem only
445 * system. /Jes
446 */
447
448 mach_hwclk = amiga_hwclk;
449 mach_set_clock_mmss = amiga_set_clock_mmss;
450 #ifdef CONFIG_AMIGA_FLOPPY
451 mach_floppy_setup = amiga_floppy_setup;
452 #endif
453 mach_reset = amiga_reset;
454 #ifdef CONFIG_DUMMY_CONSOLE
455 conswitchp = &dummy_con;
456 #endif
457 kd_mksound = amiga_mksound;
458 #ifdef CONFIG_HEARTBEAT
459 mach_heartbeat = amiga_heartbeat;
460 #endif
461
462 /* Fill in the clock values (based on the 700 kHz E-Clock) */
463 amiga_masterclock = 40*amiga_eclock; /* 28 MHz */
464 amiga_colorclock = 5*amiga_eclock; /* 3.5 MHz */
465
466 /* clear all DMA bits */
467 custom.dmacon = DMAF_ALL;
468 /* ensure that the DMA master bit is set */
469 custom.dmacon = DMAF_SETCLR | DMAF_MASTER;
470
471 /* request all RAM */
472 for (i = 0; i < m68k_num_memory; i++) {
473 ram_resource[i].name =
474 (m68k_memory[i].addr >= 0x01000000) ? "32-bit Fast RAM" :
475 (m68k_memory[i].addr < 0x00c00000) ? "16-bit Fast RAM" :
476 "16-bit Slow RAM";
477 ram_resource[i].start = m68k_memory[i].addr;
478 ram_resource[i].end = m68k_memory[i].addr+m68k_memory[i].size-1;
479 request_resource(&iomem_resource, &ram_resource[i]);
480 }
481
482 /* initialize chipram allocator */
483 amiga_chip_init ();
484
485 /* debugging using chipram */
486 if (!strcmp( m68k_debug_device, "mem" )){
487 if (!AMIGAHW_PRESENT(CHIP_RAM))
488 printk("Warning: no chipram present for debugging\n");
489 else {
490 amiga_savekmsg_init();
491 amiga_console_driver.write = amiga_mem_console_write;
492 register_console(&amiga_console_driver);
493 }
494 }
495
496 /* our beloved beeper */
497 if (AMIGAHW_PRESENT(AMI_AUDIO))
498 amiga_init_sound();
499
500 /*
501 * if it is an A3000, set the magic bit that forces
502 * a hard rekick
503 */
504 if (AMIGAHW_PRESENT(MAGIC_REKICK))
505 *(unsigned char *)ZTWO_VADDR(0xde0002) |= 0x80;
506 }
507
508 static unsigned short jiffy_ticks;
509
510 static void __init amiga_sched_init(void (*timer_routine)(int, void *,
511 struct pt_regs *))
512 {
513 static struct resource sched_res = {
514 "timer", 0x00bfd400, 0x00bfd5ff,
515 };
516 jiffy_ticks = (amiga_eclock+HZ/2)/HZ;
517
518 if (request_resource(&mb_resources._ciab, &sched_res))
519 printk("Cannot allocate ciab.ta{lo,hi}\n");
520 ciab.cra &= 0xC0; /* turn off timer A, continuous mode, from Eclk */
521 ciab.talo = jiffy_ticks % 256;
522 ciab.tahi = jiffy_ticks / 256;
523
524 /* install interrupt service routine for CIAB Timer A
525 *
526 * Please don't change this to use ciaa, as it interferes with the
527 * SCSI code. We'll have to take a look at this later
528 */
529 request_irq(IRQ_AMIGA_CIAB_TA, timer_routine, 0, "timer", NULL);
530 /* start timer */
531 ciab.cra |= 0x11;
532 }
533
534 #define TICK_SIZE 10000
535
536 extern unsigned char cia_get_irq_mask(unsigned int irq);
537
538 /* This is always executed with interrupts disabled. */
539 static unsigned long amiga_gettimeoffset (void)
540 {
541 unsigned short hi, lo, hi2;
542 unsigned long ticks, offset = 0;
543
544 /* read CIA B timer A current value */
545 hi = ciab.tahi;
546 lo = ciab.talo;
547 hi2 = ciab.tahi;
548
549 if (hi != hi2) {
550 lo = ciab.talo;
551 hi = hi2;
552 }
553
554 ticks = hi << 8 | lo;
555
556 if (ticks > jiffy_ticks / 2)
557 /* check for pending interrupt */
558 if (cia_get_irq_mask(IRQ_AMIGA_CIAB) & CIA_ICR_TA)
559 offset = 10000;
560
561 ticks = jiffy_ticks - ticks;
562 ticks = (10000 * ticks) / jiffy_ticks;
563
564 return ticks + offset;
565 }
566
567 static void a3000_gettod (int *yearp, int *monp, int *dayp,
568 int *hourp, int *minp, int *secp)
569 {
570 volatile struct tod3000 *tod = TOD_3000;
571
572 tod->cntrl1 = TOD3000_CNTRL1_HOLD;
573
574 *secp = tod->second1 * 10 + tod->second2;
575 *minp = tod->minute1 * 10 + tod->minute2;
576 *hourp = tod->hour1 * 10 + tod->hour2;
577 *dayp = tod->day1 * 10 + tod->day2;
578 *monp = tod->month1 * 10 + tod->month2;
579 *yearp = tod->year1 * 10 + tod->year2;
580
581 tod->cntrl1 = TOD3000_CNTRL1_FREE;
582 }
583
584 static void a2000_gettod (int *yearp, int *monp, int *dayp,
585 int *hourp, int *minp, int *secp)
586 {
587 volatile struct tod2000 *tod = TOD_2000;
588
589 tod->cntrl1 = TOD2000_CNTRL1_HOLD;
590
591 while (tod->cntrl1 & TOD2000_CNTRL1_BUSY)
592 ;
593
594 *secp = tod->second1 * 10 + tod->second2;
595 *minp = tod->minute1 * 10 + tod->minute2;
596 *hourp = (tod->hour1 & 3) * 10 + tod->hour2;
597 *dayp = tod->day1 * 10 + tod->day2;
598 *monp = tod->month1 * 10 + tod->month2;
599 *yearp = tod->year1 * 10 + tod->year2;
600
601 if (!(tod->cntrl3 & TOD2000_CNTRL3_24HMODE)){
602 if (!(tod->hour1 & TOD2000_HOUR1_PM) && *hourp == 12)
603 *hourp = 0;
604 else if ((tod->hour1 & TOD2000_HOUR1_PM) && *hourp != 12)
605 *hourp += 12;
606 }
607
608 tod->cntrl1 &= ~TOD2000_CNTRL1_HOLD;
609 }
610
611 static int amiga_hwclk(int op, struct hwclk_time *t)
612 {
613 if (AMIGAHW_PRESENT(A3000_CLK)) {
614 volatile struct tod3000 *tod = TOD_3000;
615
616 tod->cntrl1 = TOD3000_CNTRL1_HOLD;
617
618 if (!op) { /* read */
619 t->sec = tod->second1 * 10 + tod->second2;
620 t->min = tod->minute1 * 10 + tod->minute2;
621 t->hour = tod->hour1 * 10 + tod->hour2;
622 t->day = tod->day1 * 10 + tod->day2;
623 t->wday = tod->weekday;
624 t->mon = tod->month1 * 10 + tod->month2 - 1;
625 t->year = tod->year1 * 10 + tod->year2;
626 if (t->year <= 69)
627 t->year += 100;
628 } else {
629 tod->second1 = t->sec / 10;
630 tod->second2 = t->sec % 10;
631 tod->minute1 = t->min / 10;
632 tod->minute2 = t->min % 10;
633 tod->hour1 = t->hour / 10;
634 tod->hour2 = t->hour % 10;
635 tod->day1 = t->day / 10;
636 tod->day2 = t->day % 10;
637 if (t->wday != -1)
638 tod->weekday = t->wday;
639 tod->month1 = (t->mon + 1) / 10;
640 tod->month2 = (t->mon + 1) % 10;
641 if (t->year >= 100)
642 t->year -= 100;
643 tod->year1 = t->year / 10;
644 tod->year2 = t->year % 10;
645 }
646
647 tod->cntrl1 = TOD3000_CNTRL1_FREE;
648 } else /* if (AMIGAHW_PRESENT(A2000_CLK)) */ {
649 volatile struct tod2000 *tod = TOD_2000;
650
651 tod->cntrl1 = TOD2000_CNTRL1_HOLD;
652
653 while (tod->cntrl1 & TOD2000_CNTRL1_BUSY)
654 ;
655
656 if (!op) { /* read */
657 t->sec = tod->second1 * 10 + tod->second2;
658 t->min = tod->minute1 * 10 + tod->minute2;
659 t->hour = (tod->hour1 & 3) * 10 + tod->hour2;
660 t->day = tod->day1 * 10 + tod->day2;
661 t->wday = tod->weekday;
662 t->mon = tod->month1 * 10 + tod->month2 - 1;
663 t->year = tod->year1 * 10 + tod->year2;
664 if (t->year <= 69)
665 t->year += 100;
666
667 if (!(tod->cntrl3 & TOD2000_CNTRL3_24HMODE)){
668 if (!(tod->hour1 & TOD2000_HOUR1_PM) && t->hour == 12)
669 t->hour = 0;
670 else if ((tod->hour1 & TOD2000_HOUR1_PM) && t->hour != 12)
671 t->hour += 12;
672 }
673 } else {
674 tod->second1 = t->sec / 10;
675 tod->second2 = t->sec % 10;
676 tod->minute1 = t->min / 10;
677 tod->minute2 = t->min % 10;
678 if (tod->cntrl3 & TOD2000_CNTRL3_24HMODE)
679 tod->hour1 = t->hour / 10;
680 else if (t->hour >= 12)
681 tod->hour1 = TOD2000_HOUR1_PM +
682 (t->hour - 12) / 10;
683 else
684 tod->hour1 = t->hour / 10;
685 tod->hour2 = t->hour % 10;
686 tod->day1 = t->day / 10;
687 tod->day2 = t->day % 10;
688 if (t->wday != -1)
689 tod->weekday = t->wday;
690 tod->month1 = (t->mon + 1) / 10;
691 tod->month2 = (t->mon + 1) % 10;
692 if (t->year >= 100)
693 t->year -= 100;
694 tod->year1 = t->year / 10;
695 tod->year2 = t->year % 10;
696 }
697
698 tod->cntrl1 &= ~TOD2000_CNTRL1_HOLD;
699 }
700
701 return 0;
702 }
703
704 static int amiga_set_clock_mmss (unsigned long nowtime)
705 {
706 short real_seconds = nowtime % 60, real_minutes = (nowtime / 60) % 60;
707
708 if (AMIGAHW_PRESENT(A3000_CLK)) {
709 volatile struct tod3000 *tod = TOD_3000;
710
711 tod->cntrl1 = TOD3000_CNTRL1_HOLD;
712
713 tod->second1 = real_seconds / 10;
714 tod->second2 = real_seconds % 10;
715 tod->minute1 = real_minutes / 10;
716 tod->minute2 = real_minutes % 10;
717
718 tod->cntrl1 = TOD3000_CNTRL1_FREE;
719 } else /* if (AMIGAHW_PRESENT(A2000_CLK)) */ {
720 volatile struct tod2000 *tod = TOD_2000;
721
722 tod->cntrl1 = TOD2000_CNTRL1_HOLD;
723
724 while (tod->cntrl1 & TOD2000_CNTRL1_BUSY)
725 ;
726
727 tod->second1 = real_seconds / 10;
728 tod->second2 = real_seconds % 10;
729 tod->minute1 = real_minutes / 10;
730 tod->minute2 = real_minutes % 10;
731
732 tod->cntrl1 &= ~TOD2000_CNTRL1_HOLD;
733 }
734
735 return 0;
736 }
737
738 static int amiga_wait_key (struct console *co)
739 {
740 int i;
741
742 while (1) {
743 while (ciaa.pra & 0x40);
744
745 /* debounce */
746 for (i = 0; i < 1000; i++);
747
748 if (!(ciaa.pra & 0x40))
749 break;
750 }
751
752 /* wait for button up */
753 while (1) {
754 while (!(ciaa.pra & 0x40));
755
756 /* debounce */
757 for (i = 0; i < 1000; i++);
758
759 if (ciaa.pra & 0x40)
760 break;
761 }
762 return 0;
763 }
764
765 static NORET_TYPE void amiga_reset( void )
766 ATTRIB_NORET;
767
768 static void amiga_reset (void)
769 {
770 for (;;);
771 }
772
773
774 /*
775 * Debugging
776 */
777
778 #define SAVEKMSG_MAXMEM 128*1024
779
780 #define SAVEKMSG_MAGIC1 0x53415645 /* 'SAVE' */
781 #define SAVEKMSG_MAGIC2 0x4B4D5347 /* 'KMSG' */
782
783 struct savekmsg {
784 unsigned long magic1; /* SAVEKMSG_MAGIC1 */
785 unsigned long magic2; /* SAVEKMSG_MAGIC2 */
786 unsigned long magicptr; /* address of magic1 */
787 unsigned long size;
788 char data[0];
789 };
790
791 static struct savekmsg *savekmsg = NULL;
792
793 static void amiga_mem_console_write(struct console *co, const char *s,
794 unsigned int count)
795 {
796 if (savekmsg->size+count <= SAVEKMSG_MAXMEM-sizeof(struct savekmsg)) {
797 memcpy(savekmsg->data+savekmsg->size, s, count);
798 savekmsg->size += count;
799 }
800 }
801
802 static void amiga_savekmsg_init(void)
803 {
804 static struct resource debug_res = { "Debug" };
805
806 savekmsg = amiga_chip_alloc_res(SAVEKMSG_MAXMEM, &debug_res);
807 savekmsg->magic1 = SAVEKMSG_MAGIC1;
808 savekmsg->magic2 = SAVEKMSG_MAGIC2;
809 savekmsg->magicptr = virt_to_phys(savekmsg);
810 savekmsg->size = 0;
811 }
812
813 static void amiga_serial_putc(char c)
814 {
815 custom.serdat = (unsigned char)c | 0x100;
816 mb();
817 while (!(custom.serdatr & 0x2000))
818 ;
819 }
820
821 void amiga_serial_console_write(struct console *co, const char *s,
822 unsigned int count)
823 {
824 #if 0 /* def CONFIG_KGDB */
825 /* FIXME:APUS GDB doesn't seem to like O-packages before it is
826 properly connected with the target. */
827 __gdb_output_string (s, count);
828 #else
829 while (count--) {
830 if (*s == '\n')
831 amiga_serial_putc('\r');
832 amiga_serial_putc(*s++);
833 }
834 #endif
835 }
836
837 #ifdef CONFIG_SERIAL_CONSOLE
838 void amiga_serial_puts(const char *s)
839 {
840 amiga_serial_console_write(NULL, s, strlen(s));
841 }
842
843 int amiga_serial_console_wait_key(struct console *co)
844 {
845 int ch;
846
847 while (!(custom.intreqr & IF_RBF))
848 barrier();
849 ch = custom.serdatr & 0xff;
850 /* clear the interrupt, so that another character can be read */
851 custom.intreq = IF_RBF;
852 return ch;
853 }
854
855 void amiga_serial_gets(struct console *co, char *s, int len)
856 {
857 int ch, cnt = 0;
858
859 while (1) {
860 ch = amiga_serial_console_wait_key(co);
861
862 /* Check for backspace. */
863 if (ch == 8 || ch == 127) {
864 if (cnt == 0) {
865 amiga_serial_putc('\007');
866 continue;
867 }
868 cnt--;
869 amiga_serial_puts("\010 \010");
870 continue;
871 }
872
873 /* Check for enter. */
874 if (ch == 10 || ch == 13)
875 break;
876
877 /* See if line is too long. */
878 if (cnt >= len + 1) {
879 amiga_serial_putc(7);
880 cnt--;
881 continue;
882 }
883
884 /* Store and echo character. */
885 s[cnt++] = ch;
886 amiga_serial_putc(ch);
887 }
888 /* Print enter. */
889 amiga_serial_puts("\r\n");
890 s[cnt] = 0;
891 }
892 #endif
893
894 static void __init amiga_debug_init(void)
895 {
896 if (!strcmp( m68k_debug_device, "ser" )) {
897 /* no initialization required (?) */
898 amiga_console_driver.write = amiga_serial_console_write;
899 register_console(&amiga_console_driver);
900 }
901 }
902
903 #ifdef CONFIG_HEARTBEAT
904 static void amiga_heartbeat(int on)
905 {
906 if (on)
907 ciaa.pra &= ~2;
908 else
909 ciaa.pra |= 2;
910 }
911 #endif
912
913 /*
914 * Amiga specific parts of /proc
915 */
916
917 static void amiga_get_model(char *model)
918 {
919 strcpy(model, amiga_model_name);
920 }
921
922
923 static int amiga_get_hardware_list(char *buffer)
924 {
925 int len = 0;
926
927 if (AMIGAHW_PRESENT(CHIP_RAM))
928 len += sprintf(buffer+len, "Chip RAM:\t%ldK\n", amiga_chip_size>>10);
929 len += sprintf(buffer+len, "PS Freq:\t%dHz\nEClock Freq:\t%ldHz\n",
930 amiga_psfreq, amiga_eclock);
931 if (AMIGAHW_PRESENT(AMI_VIDEO)) {
932 char *type;
933 switch(amiga_chipset) {
934 case CS_OCS:
935 type = "OCS";
936 break;
937 case CS_ECS:
938 type = "ECS";
939 break;
940 case CS_AGA:
941 type = "AGA";
942 break;
943 default:
944 type = "Old or Unknown";
945 break;
946 }
947 len += sprintf(buffer+len, "Graphics:\t%s\n", type);
948 }
949
950 #define AMIGAHW_ANNOUNCE(name, str) \
951 if (AMIGAHW_PRESENT(name)) \
952 len += sprintf (buffer+len, "\t%s\n", str)
953
954 len += sprintf (buffer + len, "Detected hardware:\n");
955
956 AMIGAHW_ANNOUNCE(AMI_VIDEO, "Amiga Video");
957 AMIGAHW_ANNOUNCE(AMI_BLITTER, "Blitter");
958 AMIGAHW_ANNOUNCE(AMBER_FF, "Amber Flicker Fixer");
959 AMIGAHW_ANNOUNCE(AMI_AUDIO, "Amiga Audio");
960 AMIGAHW_ANNOUNCE(AMI_FLOPPY, "Floppy Controller");
961 AMIGAHW_ANNOUNCE(A3000_SCSI, "SCSI Controller WD33C93 (A3000 style)");
962 AMIGAHW_ANNOUNCE(A4000_SCSI, "SCSI Controller NCR53C710 (A4000T style)");
963 AMIGAHW_ANNOUNCE(A1200_IDE, "IDE Interface (A1200 style)");
964 AMIGAHW_ANNOUNCE(A4000_IDE, "IDE Interface (A4000 style)");
965 AMIGAHW_ANNOUNCE(CD_ROM, "Internal CD ROM drive");
966 AMIGAHW_ANNOUNCE(AMI_KEYBOARD, "Keyboard");
967 AMIGAHW_ANNOUNCE(AMI_MOUSE, "Mouse Port");
968 AMIGAHW_ANNOUNCE(AMI_SERIAL, "Serial Port");
969 AMIGAHW_ANNOUNCE(AMI_PARALLEL, "Parallel Port");
970 AMIGAHW_ANNOUNCE(A2000_CLK, "Hardware Clock (A2000 style)");
971 AMIGAHW_ANNOUNCE(A3000_CLK, "Hardware Clock (A3000 style)");
972 AMIGAHW_ANNOUNCE(CHIP_RAM, "Chip RAM");
973 AMIGAHW_ANNOUNCE(PAULA, "Paula 8364");
974 AMIGAHW_ANNOUNCE(DENISE, "Denise 8362");
975 AMIGAHW_ANNOUNCE(DENISE_HR, "Denise 8373");
976 AMIGAHW_ANNOUNCE(LISA, "Lisa 8375");
977 AMIGAHW_ANNOUNCE(AGNUS_PAL, "Normal/Fat PAL Agnus 8367/8371");
978 AMIGAHW_ANNOUNCE(AGNUS_NTSC, "Normal/Fat NTSC Agnus 8361/8370");
979 AMIGAHW_ANNOUNCE(AGNUS_HR_PAL, "Fat Hires PAL Agnus 8372");
980 AMIGAHW_ANNOUNCE(AGNUS_HR_NTSC, "Fat Hires NTSC Agnus 8372");
981 AMIGAHW_ANNOUNCE(ALICE_PAL, "PAL Alice 8374");
982 AMIGAHW_ANNOUNCE(ALICE_NTSC, "NTSC Alice 8374");
983 AMIGAHW_ANNOUNCE(MAGIC_REKICK, "Magic Hard Rekick");
984 AMIGAHW_ANNOUNCE(PCMCIA, "PCMCIA Slot");
985 if (AMIGAHW_PRESENT(ZORRO))
986 len += sprintf(buffer+len, "\tZorro%s AutoConfig: %d Expansion Device%s\n",
987 AMIGAHW_PRESENT(ZORRO3) ? " III" : "",
988 zorro_num_autocon, zorro_num_autocon == 1 ? "" : "s");
989
990 #undef AMIGAHW_ANNOUNCE
991
992 return(len);
993 }
994
995 #ifdef CONFIG_APUS
996 int get_hardware_list(char *buffer)
997 {
998 extern int get_cpuinfo(char *buffer);
999 int len = 0;
1000 char model[80];
1001 u_long mem;
1002 int i;
1003
1004 if (mach_get_model)
1005 mach_get_model(model);
1006 else
1007 strcpy(model, "Unknown PowerPC");
1008
1009 len += sprintf(buffer+len, "Model:\t\t%s\n", model);
1010 len += get_cpuinfo(buffer+len);
1011 for (mem = 0, i = 0; i < m68k_realnum_memory; i++)
1012 mem += m68k_memory[i].size;
1013 len += sprintf(buffer+len, "System Memory:\t%ldK\n", mem>>10);
1014
1015 if (mach_get_hardware_list)
1016 len += mach_get_hardware_list(buffer+len);
1017
1018 return(len);
1019 }
1020 #endif
1021