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spi-topcliff-pch: Fix issue for transmitting over 4KByte
[zen-stable.git] / arch / m68k / amiga / config.c
blobb95a451b1c3ae6292092efcf4ea24fc103e69eda
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/seq_file.h>
19 #include <linux/tty.h>
20 #include <linux/console.h>
21 #include <linux/rtc.h>
22 #include <linux/init.h>
23 #include <linux/vt_kern.h>
24 #include <linux/delay.h>
25 #include <linux/interrupt.h>
26 #include <linux/zorro.h>
27 #include <linux/module.h>
28 #include <linux/keyboard.h>
29
30 #include <asm/bootinfo.h>
31 #include <asm/setup.h>
32 #include <asm/system.h>
33 #include <asm/pgtable.h>
34 #include <asm/amigahw.h>
35 #include <asm/amigaints.h>
36 #include <asm/irq.h>
37 #include <asm/rtc.h>
38 #include <asm/machdep.h>
39 #include <asm/io.h>
40
41 static unsigned long amiga_model;
42
43 unsigned long amiga_eclock;
44 EXPORT_SYMBOL(amiga_eclock);
45
46 unsigned long amiga_colorclock;
47 EXPORT_SYMBOL(amiga_colorclock);
48
49 unsigned long amiga_chipset;
50 EXPORT_SYMBOL(amiga_chipset);
51
52 unsigned char amiga_vblank;
53 EXPORT_SYMBOL(amiga_vblank);
54
55 static unsigned char amiga_psfreq;
56
57 struct amiga_hw_present amiga_hw_present;
58 EXPORT_SYMBOL(amiga_hw_present);
59
60 static char s_a500[] __initdata = "A500";
61 static char s_a500p[] __initdata = "A500+";
62 static char s_a600[] __initdata = "A600";
63 static char s_a1000[] __initdata = "A1000";
64 static char s_a1200[] __initdata = "A1200";
65 static char s_a2000[] __initdata = "A2000";
66 static char s_a2500[] __initdata = "A2500";
67 static char s_a3000[] __initdata = "A3000";
68 static char s_a3000t[] __initdata = "A3000T";
69 static char s_a3000p[] __initdata = "A3000+";
70 static char s_a4000[] __initdata = "A4000";
71 static char s_a4000t[] __initdata = "A4000T";
72 static char s_cdtv[] __initdata = "CDTV";
73 static char s_cd32[] __initdata = "CD32";
74 static char s_draco[] __initdata = "Draco";
75 static char *amiga_models[] __initdata = {
76 [AMI_500-AMI_500] = s_a500,
77 [AMI_500PLUS-AMI_500] = s_a500p,
78 [AMI_600-AMI_500] = s_a600,
79 [AMI_1000-AMI_500] = s_a1000,
80 [AMI_1200-AMI_500] = s_a1200,
81 [AMI_2000-AMI_500] = s_a2000,
82 [AMI_2500-AMI_500] = s_a2500,
83 [AMI_3000-AMI_500] = s_a3000,
84 [AMI_3000T-AMI_500] = s_a3000t,
85 [AMI_3000PLUS-AMI_500] = s_a3000p,
86 [AMI_4000-AMI_500] = s_a4000,
87 [AMI_4000T-AMI_500] = s_a4000t,
88 [AMI_CDTV-AMI_500] = s_cdtv,
89 [AMI_CD32-AMI_500] = s_cd32,
90 [AMI_DRACO-AMI_500] = s_draco,
91 };
92
93 static char amiga_model_name[13] = "Amiga ";
94
95 static void amiga_sched_init(irq_handler_t handler);
96 static void amiga_get_model(char *model);
97 static void amiga_get_hardware_list(struct seq_file *m);
98 /* amiga specific timer functions */
99 static unsigned long amiga_gettimeoffset(void);
100 extern void amiga_mksound(unsigned int count, unsigned int ticks);
101 static void amiga_reset(void);
102 extern void amiga_init_sound(void);
103 static void amiga_mem_console_write(struct console *co, const char *b,
104 unsigned int count);
105 #ifdef CONFIG_HEARTBEAT
106 static void amiga_heartbeat(int on);
107 #endif
108
109 static struct console amiga_console_driver = {
110 .name = "debug",
111 .flags = CON_PRINTBUFFER,
112 .index = -1,
113 };
114
115
116 /*
117 * Motherboard Resources present in all Amiga models
118 */
119
120 static struct {
121 struct resource _ciab, _ciaa, _custom, _kickstart;
122 } mb_resources = {
123 ._ciab = {
124 .name = "CIA B", .start = 0x00bfd000, .end = 0x00bfdfff
125 },
126 ._ciaa = {
127 .name = "CIA A", .start = 0x00bfe000, .end = 0x00bfefff
128 },
129 ._custom = {
130 .name = "Custom I/O", .start = 0x00dff000, .end = 0x00dfffff
131 },
132 ._kickstart = {
133 .name = "Kickstart ROM", .start = 0x00f80000, .end = 0x00ffffff
134 }
135 };
136
137 static struct resource ram_resource[NUM_MEMINFO];
138
139
140 /*
141 * Parse an Amiga-specific record in the bootinfo
142 */
143
144 int amiga_parse_bootinfo(const struct bi_record *record)
145 {
146 int unknown = 0;
147 const unsigned long *data = record->data;
148
149 switch (record->tag) {
150 case BI_AMIGA_MODEL:
151 amiga_model = *data;
152 break;
153
154 case BI_AMIGA_ECLOCK:
155 amiga_eclock = *data;
156 break;
157
158 case BI_AMIGA_CHIPSET:
159 amiga_chipset = *data;
160 break;
161
162 case BI_AMIGA_CHIP_SIZE:
163 amiga_chip_size = *(const int *)data;
164 break;
165
166 case BI_AMIGA_VBLANK:
167 amiga_vblank = *(const unsigned char *)data;
168 break;
169
170 case BI_AMIGA_PSFREQ:
171 amiga_psfreq = *(const unsigned char *)data;
172 break;
173
174 case BI_AMIGA_AUTOCON:
175 #ifdef CONFIG_ZORRO
176 if (zorro_num_autocon < ZORRO_NUM_AUTO) {
177 const struct ConfigDev *cd = (struct ConfigDev *)data;
178 struct zorro_dev *dev = &zorro_autocon[zorro_num_autocon++];
179 dev->rom = cd->cd_Rom;
180 dev->slotaddr = cd->cd_SlotAddr;
181 dev->slotsize = cd->cd_SlotSize;
182 dev->resource.start = (unsigned long)cd->cd_BoardAddr;
183 dev->resource.end = dev->resource.start + cd->cd_BoardSize - 1;
184 } else
185 printk("amiga_parse_bootinfo: too many AutoConfig devices\n");
186 #endif /* CONFIG_ZORRO */
187 break;
188
189 case BI_AMIGA_SERPER:
190 /* serial port period: ignored here */
191 break;
192
193 default:
194 unknown = 1;
195 }
196 return unknown;
197 }
198
199 /*
200 * Identify builtin hardware
201 */
202
203 static void __init amiga_identify(void)
204 {
205 /* Fill in some default values, if necessary */
206 if (amiga_eclock == 0)
207 amiga_eclock = 709379;
208
209 memset(&amiga_hw_present, 0, sizeof(amiga_hw_present));
210
211 printk("Amiga hardware found: ");
212 if (amiga_model >= AMI_500 && amiga_model <= AMI_DRACO) {
213 printk("[%s] ", amiga_models[amiga_model-AMI_500]);
214 strcat(amiga_model_name, amiga_models[amiga_model-AMI_500]);
215 }
216
217 switch (amiga_model) {
218 case AMI_UNKNOWN:
219 goto Generic;
220
221 case AMI_600:
222 case AMI_1200:
223 AMIGAHW_SET(A1200_IDE);
224 AMIGAHW_SET(PCMCIA);
225 case AMI_500:
226 case AMI_500PLUS:
227 case AMI_1000:
228 case AMI_2000:
229 case AMI_2500:
230 AMIGAHW_SET(A2000_CLK); /* Is this correct for all models? */
231 goto Generic;
232
233 case AMI_3000:
234 case AMI_3000T:
235 AMIGAHW_SET(AMBER_FF);
236 AMIGAHW_SET(MAGIC_REKICK);
237 /* fall through */
238 case AMI_3000PLUS:
239 AMIGAHW_SET(A3000_SCSI);
240 AMIGAHW_SET(A3000_CLK);
241 AMIGAHW_SET(ZORRO3);
242 goto Generic;
243
244 case AMI_4000T:
245 AMIGAHW_SET(A4000_SCSI);
246 /* fall through */
247 case AMI_4000:
248 AMIGAHW_SET(A4000_IDE);
249 AMIGAHW_SET(A3000_CLK);
250 AMIGAHW_SET(ZORRO3);
251 goto Generic;
252
253 case AMI_CDTV:
254 case AMI_CD32:
255 AMIGAHW_SET(CD_ROM);
256 AMIGAHW_SET(A2000_CLK); /* Is this correct? */
257 goto Generic;
258
259 Generic:
260 AMIGAHW_SET(AMI_VIDEO);
261 AMIGAHW_SET(AMI_BLITTER);
262 AMIGAHW_SET(AMI_AUDIO);
263 AMIGAHW_SET(AMI_FLOPPY);
264 AMIGAHW_SET(AMI_KEYBOARD);
265 AMIGAHW_SET(AMI_MOUSE);
266 AMIGAHW_SET(AMI_SERIAL);
267 AMIGAHW_SET(AMI_PARALLEL);
268 AMIGAHW_SET(CHIP_RAM);
269 AMIGAHW_SET(PAULA);
270
271 switch (amiga_chipset) {
272 case CS_OCS:
273 case CS_ECS:
274 case CS_AGA:
275 switch (amiga_custom.deniseid & 0xf) {
276 case 0x0c:
277 AMIGAHW_SET(DENISE_HR);
278 break;
279 case 0x08:
280 AMIGAHW_SET(LISA);
281 break;
282 }
283 break;
284 default:
285 AMIGAHW_SET(DENISE);
286 break;
287 }
288 switch ((amiga_custom.vposr>>8) & 0x7f) {
289 case 0x00:
290 AMIGAHW_SET(AGNUS_PAL);
291 break;
292 case 0x10:
293 AMIGAHW_SET(AGNUS_NTSC);
294 break;
295 case 0x20:
296 case 0x21:
297 AMIGAHW_SET(AGNUS_HR_PAL);
298 break;
299 case 0x30:
300 case 0x31:
301 AMIGAHW_SET(AGNUS_HR_NTSC);
302 break;
303 case 0x22:
304 case 0x23:
305 AMIGAHW_SET(ALICE_PAL);
306 break;
307 case 0x32:
308 case 0x33:
309 AMIGAHW_SET(ALICE_NTSC);
310 break;
311 }
312 AMIGAHW_SET(ZORRO);
313 break;
314
315 case AMI_DRACO:
316 panic("No support for Draco yet");
317
318 default:
319 panic("Unknown Amiga Model");
320 }
321
322 #define AMIGAHW_ANNOUNCE(name, str) \
323 if (AMIGAHW_PRESENT(name)) \
324 printk(str)
325
326 AMIGAHW_ANNOUNCE(AMI_VIDEO, "VIDEO ");
327 AMIGAHW_ANNOUNCE(AMI_BLITTER, "BLITTER ");
328 AMIGAHW_ANNOUNCE(AMBER_FF, "AMBER_FF ");
329 AMIGAHW_ANNOUNCE(AMI_AUDIO, "AUDIO ");
330 AMIGAHW_ANNOUNCE(AMI_FLOPPY, "FLOPPY ");
331 AMIGAHW_ANNOUNCE(A3000_SCSI, "A3000_SCSI ");
332 AMIGAHW_ANNOUNCE(A4000_SCSI, "A4000_SCSI ");
333 AMIGAHW_ANNOUNCE(A1200_IDE, "A1200_IDE ");
334 AMIGAHW_ANNOUNCE(A4000_IDE, "A4000_IDE ");
335 AMIGAHW_ANNOUNCE(CD_ROM, "CD_ROM ");
336 AMIGAHW_ANNOUNCE(AMI_KEYBOARD, "KEYBOARD ");
337 AMIGAHW_ANNOUNCE(AMI_MOUSE, "MOUSE ");
338 AMIGAHW_ANNOUNCE(AMI_SERIAL, "SERIAL ");
339 AMIGAHW_ANNOUNCE(AMI_PARALLEL, "PARALLEL ");
340 AMIGAHW_ANNOUNCE(A2000_CLK, "A2000_CLK ");
341 AMIGAHW_ANNOUNCE(A3000_CLK, "A3000_CLK ");
342 AMIGAHW_ANNOUNCE(CHIP_RAM, "CHIP_RAM ");
343 AMIGAHW_ANNOUNCE(PAULA, "PAULA ");
344 AMIGAHW_ANNOUNCE(DENISE, "DENISE ");
345 AMIGAHW_ANNOUNCE(DENISE_HR, "DENISE_HR ");
346 AMIGAHW_ANNOUNCE(LISA, "LISA ");
347 AMIGAHW_ANNOUNCE(AGNUS_PAL, "AGNUS_PAL ");
348 AMIGAHW_ANNOUNCE(AGNUS_NTSC, "AGNUS_NTSC ");
349 AMIGAHW_ANNOUNCE(AGNUS_HR_PAL, "AGNUS_HR_PAL ");
350 AMIGAHW_ANNOUNCE(AGNUS_HR_NTSC, "AGNUS_HR_NTSC ");
351 AMIGAHW_ANNOUNCE(ALICE_PAL, "ALICE_PAL ");
352 AMIGAHW_ANNOUNCE(ALICE_NTSC, "ALICE_NTSC ");
353 AMIGAHW_ANNOUNCE(MAGIC_REKICK, "MAGIC_REKICK ");
354 AMIGAHW_ANNOUNCE(PCMCIA, "PCMCIA ");
355 if (AMIGAHW_PRESENT(ZORRO))
356 printk("ZORRO%s ", AMIGAHW_PRESENT(ZORRO3) ? "3" : "");
357 printk("\n");
358
359 #undef AMIGAHW_ANNOUNCE
360 }
361
362 /*
363 * Setup the Amiga configuration info
364 */
365
366 void __init config_amiga(void)
367 {
368 int i;
369
370 amiga_identify();
371
372 /* Yuk, we don't have PCI memory */
373 iomem_resource.name = "Memory";
374 for (i = 0; i < 4; i++)
375 request_resource(&iomem_resource, &((struct resource *)&mb_resources)[i]);
376
377 mach_sched_init = amiga_sched_init;
378 mach_init_IRQ = amiga_init_IRQ;
379 mach_get_model = amiga_get_model;
380 mach_get_hardware_list = amiga_get_hardware_list;
381 mach_gettimeoffset = amiga_gettimeoffset;
382
383 /*
384 * default MAX_DMA=0xffffffff on all machines. If we don't do so, the SCSI
385 * code will not be able to allocate any mem for transfers, unless we are
386 * dealing with a Z2 mem only system. /Jes
387 */
388 mach_max_dma_address = 0xffffffff;
389
390 mach_reset = amiga_reset;
391 #if defined(CONFIG_INPUT_M68K_BEEP) || defined(CONFIG_INPUT_M68K_BEEP_MODULE)
392 mach_beep = amiga_mksound;
393 #endif
394
395 #ifdef CONFIG_HEARTBEAT
396 mach_heartbeat = amiga_heartbeat;
397 #endif
398
399 /* Fill in the clock value (based on the 700 kHz E-Clock) */
400 amiga_colorclock = 5*amiga_eclock; /* 3.5 MHz */
401
402 /* clear all DMA bits */
403 amiga_custom.dmacon = DMAF_ALL;
404 /* ensure that the DMA master bit is set */
405 amiga_custom.dmacon = DMAF_SETCLR | DMAF_MASTER;
406
407 /* don't use Z2 RAM as system memory on Z3 capable machines */
408 if (AMIGAHW_PRESENT(ZORRO3)) {
409 int i, j;
410 u32 disabled_z2mem = 0;
411
412 for (i = 0; i < m68k_num_memory; i++) {
413 if (m68k_memory[i].addr < 16*1024*1024) {
414 if (i == 0) {
415 /* don't cut off the branch we're sitting on */
416 printk("Warning: kernel runs in Zorro II memory\n");
417 continue;
418 }
419 disabled_z2mem += m68k_memory[i].size;
420 m68k_num_memory--;
421 for (j = i; j < m68k_num_memory; j++)
422 m68k_memory[j] = m68k_memory[j+1];
423 i--;
424 }
425 }
426 if (disabled_z2mem)
427 printk("%dK of Zorro II memory will not be used as system memory\n",
428 disabled_z2mem>>10);
429 }
430
431 /* request all RAM */
432 for (i = 0; i < m68k_num_memory; i++) {
433 ram_resource[i].name =
434 (m68k_memory[i].addr >= 0x01000000) ? "32-bit Fast RAM" :
435 (m68k_memory[i].addr < 0x00c00000) ? "16-bit Fast RAM" :
436 "16-bit Slow RAM";
437 ram_resource[i].start = m68k_memory[i].addr;
438 ram_resource[i].end = m68k_memory[i].addr+m68k_memory[i].size-1;
439 request_resource(&iomem_resource, &ram_resource[i]);
440 }
441
442 /* initialize chipram allocator */
443 amiga_chip_init();
444
445 /* our beloved beeper */
446 if (AMIGAHW_PRESENT(AMI_AUDIO))
447 amiga_init_sound();
448
449 /*
450 * if it is an A3000, set the magic bit that forces
451 * a hard rekick
452 */
453 if (AMIGAHW_PRESENT(MAGIC_REKICK))
454 *(unsigned char *)ZTWO_VADDR(0xde0002) |= 0x80;
455 }
456
457 static unsigned short jiffy_ticks;
458
459 static void __init amiga_sched_init(irq_handler_t timer_routine)
460 {
461 static struct resource sched_res = {
462 .name = "timer", .start = 0x00bfd400, .end = 0x00bfd5ff,
463 };
464 jiffy_ticks = DIV_ROUND_CLOSEST(amiga_eclock, HZ);
465
466 if (request_resource(&mb_resources._ciab, &sched_res))
467 printk("Cannot allocate ciab.ta{lo,hi}\n");
468 ciab.cra &= 0xC0; /* turn off timer A, continuous mode, from Eclk */
469 ciab.talo = jiffy_ticks % 256;
470 ciab.tahi = jiffy_ticks / 256;
471
472 /* install interrupt service routine for CIAB Timer A
473 *
474 * Please don't change this to use ciaa, as it interferes with the
475 * SCSI code. We'll have to take a look at this later
476 */
477 if (request_irq(IRQ_AMIGA_CIAB_TA, timer_routine, 0, "timer", NULL))
478 pr_err("Couldn't register timer interrupt\n");
479 /* start timer */
480 ciab.cra |= 0x11;
481 }
482
483 #define TICK_SIZE 10000
484
485 /* This is always executed with interrupts disabled. */
486 static unsigned long amiga_gettimeoffset(void)
487 {
488 unsigned short hi, lo, hi2;
489 unsigned long ticks, offset = 0;
490
491 /* read CIA B timer A current value */
492 hi = ciab.tahi;
493 lo = ciab.talo;
494 hi2 = ciab.tahi;
495
496 if (hi != hi2) {
497 lo = ciab.talo;
498 hi = hi2;
499 }
500
501 ticks = hi << 8 | lo;
502
503 if (ticks > jiffy_ticks / 2)
504 /* check for pending interrupt */
505 if (cia_set_irq(&ciab_base, 0) & CIA_ICR_TA)
506 offset = 10000;
507
508 ticks = jiffy_ticks - ticks;
509 ticks = (10000 * ticks) / jiffy_ticks;
510
511 return ticks + offset;
512 }
513
514 static void amiga_reset(void) __noreturn;
515
516 static void amiga_reset(void)
517 {
518 unsigned long jmp_addr040 = virt_to_phys(&&jmp_addr_label040);
519 unsigned long jmp_addr = virt_to_phys(&&jmp_addr_label);
520
521 local_irq_disable();
522 if (CPU_IS_040_OR_060)
523 /* Setup transparent translation registers for mapping
524 * of 16 MB kernel segment before disabling translation
525 */
526 asm volatile ("\n"
527 " move.l %0,%%d0\n"
528 " and.l #0xff000000,%%d0\n"
529 " or.w #0xe020,%%d0\n" /* map 16 MB, enable, cacheable */
530 " .chip 68040\n"
531 " movec %%d0,%%itt0\n"
532 " movec %%d0,%%dtt0\n"
533 " .chip 68k\n"
534 " jmp %0@\n"
535 : /* no outputs */
536 : "a" (jmp_addr040)
537 : "d0");
538 else
539 /* for 680[23]0, just disable translation and jump to the physical
540 * address of the label
541 */
542 asm volatile ("\n"
543 " pmove %%tc,%@\n"
544 " bclr #7,%@\n"
545 " pmove %@,%%tc\n"
546 " jmp %0@\n"
547 : /* no outputs */
548 : "a" (jmp_addr));
549 jmp_addr_label040:
550 /* disable translation on '040 now */
551 asm volatile ("\n"
552 " moveq #0,%%d0\n"
553 " .chip 68040\n"
554 " movec %%d0,%%tc\n" /* disable MMU */
555 " .chip 68k\n"
556 : /* no outputs */
557 : /* no inputs */
558 : "d0");
559
560 jmp_addr_label:
561 /* pickup reset address from AmigaOS ROM, reset devices and jump
562 * to reset address
563 */
564 asm volatile ("\n"
565 " move.w #0x2700,%sr\n"
566 " lea 0x01000000,%a0\n"
567 " sub.l %a0@(-0x14),%a0\n"
568 " move.l %a0@(4),%a0\n"
569 " subq.l #2,%a0\n"
570 " jra 1f\n"
571 /* align on a longword boundary */
572 " " __ALIGN_STR "\n"
573 "1:\n"
574 " reset\n"
575 " jmp %a0@");
576
577 for (;;)
578 ;
579 }
580
581
582 /*
583 * Debugging
584 */
585
586 #define SAVEKMSG_MAXMEM 128*1024
587
588 #define SAVEKMSG_MAGIC1 0x53415645 /* 'SAVE' */
589 #define SAVEKMSG_MAGIC2 0x4B4D5347 /* 'KMSG' */
590
591 struct savekmsg {
592 unsigned long magic1; /* SAVEKMSG_MAGIC1 */
593 unsigned long magic2; /* SAVEKMSG_MAGIC2 */
594 unsigned long magicptr; /* address of magic1 */
595 unsigned long size;
596 char data[0];
597 };
598
599 static struct savekmsg *savekmsg;
600
601 static void amiga_mem_console_write(struct console *co, const char *s,
602 unsigned int count)
603 {
604 if (savekmsg->size + count <= SAVEKMSG_MAXMEM-sizeof(struct savekmsg)) {
605 memcpy(savekmsg->data + savekmsg->size, s, count);
606 savekmsg->size += count;
607 }
608 }
609
610 static int __init amiga_savekmsg_setup(char *arg)
611 {
612 if (!MACH_IS_AMIGA || strcmp(arg, "mem"))
613 return 0;
614
615 if (amiga_chip_size < SAVEKMSG_MAXMEM) {
616 pr_err("Not enough chipram for debugging\n");
617 return -ENOMEM;
618 }
619
620 /* Just steal the block, the chipram allocator isn't functional yet */
621 amiga_chip_size -= SAVEKMSG_MAXMEM;
622 savekmsg = (void *)ZTWO_VADDR(CHIP_PHYSADDR + amiga_chip_size);
623 savekmsg->magic1 = SAVEKMSG_MAGIC1;
624 savekmsg->magic2 = SAVEKMSG_MAGIC2;
625 savekmsg->magicptr = ZTWO_PADDR(savekmsg);
626 savekmsg->size = 0;
627
628 amiga_console_driver.write = amiga_mem_console_write;
629 register_console(&amiga_console_driver);
630 return 0;
631 }
632
633 early_param("debug", amiga_savekmsg_setup);
634
635 static void amiga_serial_putc(char c)
636 {
637 amiga_custom.serdat = (unsigned char)c | 0x100;
638 while (!(amiga_custom.serdatr & 0x2000))
639 ;
640 }
641
642 static void amiga_serial_console_write(struct console *co, const char *s,
643 unsigned int count)
644 {
645 while (count--) {
646 if (*s == '\n')
647 amiga_serial_putc('\r');
648 amiga_serial_putc(*s++);
649 }
650 }
651
652 #if 0
653 void amiga_serial_puts(const char *s)
654 {
655 amiga_serial_console_write(NULL, s, strlen(s));
656 }
657
658 int amiga_serial_console_wait_key(struct console *co)
659 {
660 int ch;
661
662 while (!(amiga_custom.intreqr & IF_RBF))
663 barrier();
664 ch = amiga_custom.serdatr & 0xff;
665 /* clear the interrupt, so that another character can be read */
666 amiga_custom.intreq = IF_RBF;
667 return ch;
668 }
669
670 void amiga_serial_gets(struct console *co, char *s, int len)
671 {
672 int ch, cnt = 0;
673
674 while (1) {
675 ch = amiga_serial_console_wait_key(co);
676
677 /* Check for backspace. */
678 if (ch == 8 || ch == 127) {
679 if (cnt == 0) {
680 amiga_serial_putc('\007');
681 continue;
682 }
683 cnt--;
684 amiga_serial_puts("\010 \010");
685 continue;
686 }
687
688 /* Check for enter. */
689 if (ch == 10 || ch == 13)
690 break;
691
692 /* See if line is too long. */
693 if (cnt >= len + 1) {
694 amiga_serial_putc(7);
695 cnt--;
696 continue;
697 }
698
699 /* Store and echo character. */
700 s[cnt++] = ch;
701 amiga_serial_putc(ch);
702 }
703 /* Print enter. */
704 amiga_serial_puts("\r\n");
705 s[cnt] = 0;
706 }
707 #endif
708
709 static int __init amiga_debug_setup(char *arg)
710 {
711 if (MACH_IS_AMIGA && !strcmp(arg, "ser")) {
712 /* no initialization required (?) */
713 amiga_console_driver.write = amiga_serial_console_write;
714 register_console(&amiga_console_driver);
715 }
716 return 0;
717 }
718
719 early_param("debug", amiga_debug_setup);
720
721 #ifdef CONFIG_HEARTBEAT
722 static void amiga_heartbeat(int on)
723 {
724 if (on)
725 ciaa.pra &= ~2;
726 else
727 ciaa.pra |= 2;
728 }
729 #endif
730
731 /*
732 * Amiga specific parts of /proc
733 */
734
735 static void amiga_get_model(char *model)
736 {
737 strcpy(model, amiga_model_name);
738 }
739
740
741 static void amiga_get_hardware_list(struct seq_file *m)
742 {
743 if (AMIGAHW_PRESENT(CHIP_RAM))
744 seq_printf(m, "Chip RAM:\t%ldK\n", amiga_chip_size>>10);
745 seq_printf(m, "PS Freq:\t%dHz\nEClock Freq:\t%ldHz\n",
746 amiga_psfreq, amiga_eclock);
747 if (AMIGAHW_PRESENT(AMI_VIDEO)) {
748 char *type;
749 switch (amiga_chipset) {
750 case CS_OCS:
751 type = "OCS";
752 break;
753 case CS_ECS:
754 type = "ECS";
755 break;
756 case CS_AGA:
757 type = "AGA";
758 break;
759 default:
760 type = "Old or Unknown";
761 break;
762 }
763 seq_printf(m, "Graphics:\t%s\n", type);
764 }
765
766 #define AMIGAHW_ANNOUNCE(name, str) \
767 if (AMIGAHW_PRESENT(name)) \
768 seq_printf (m, "\t%s\n", str)
769
770 seq_printf (m, "Detected hardware:\n");
771
772 AMIGAHW_ANNOUNCE(AMI_VIDEO, "Amiga Video");
773 AMIGAHW_ANNOUNCE(AMI_BLITTER, "Blitter");
774 AMIGAHW_ANNOUNCE(AMBER_FF, "Amber Flicker Fixer");
775 AMIGAHW_ANNOUNCE(AMI_AUDIO, "Amiga Audio");
776 AMIGAHW_ANNOUNCE(AMI_FLOPPY, "Floppy Controller");
777 AMIGAHW_ANNOUNCE(A3000_SCSI, "SCSI Controller WD33C93 (A3000 style)");
778 AMIGAHW_ANNOUNCE(A4000_SCSI, "SCSI Controller NCR53C710 (A4000T style)");
779 AMIGAHW_ANNOUNCE(A1200_IDE, "IDE Interface (A1200 style)");
780 AMIGAHW_ANNOUNCE(A4000_IDE, "IDE Interface (A4000 style)");
781 AMIGAHW_ANNOUNCE(CD_ROM, "Internal CD ROM drive");
782 AMIGAHW_ANNOUNCE(AMI_KEYBOARD, "Keyboard");
783 AMIGAHW_ANNOUNCE(AMI_MOUSE, "Mouse Port");
784 AMIGAHW_ANNOUNCE(AMI_SERIAL, "Serial Port");
785 AMIGAHW_ANNOUNCE(AMI_PARALLEL, "Parallel Port");
786 AMIGAHW_ANNOUNCE(A2000_CLK, "Hardware Clock (A2000 style)");
787 AMIGAHW_ANNOUNCE(A3000_CLK, "Hardware Clock (A3000 style)");
788 AMIGAHW_ANNOUNCE(CHIP_RAM, "Chip RAM");
789 AMIGAHW_ANNOUNCE(PAULA, "Paula 8364");
790 AMIGAHW_ANNOUNCE(DENISE, "Denise 8362");
791 AMIGAHW_ANNOUNCE(DENISE_HR, "Denise 8373");
792 AMIGAHW_ANNOUNCE(LISA, "Lisa 8375");
793 AMIGAHW_ANNOUNCE(AGNUS_PAL, "Normal/Fat PAL Agnus 8367/8371");
794 AMIGAHW_ANNOUNCE(AGNUS_NTSC, "Normal/Fat NTSC Agnus 8361/8370");
795 AMIGAHW_ANNOUNCE(AGNUS_HR_PAL, "Fat Hires PAL Agnus 8372");
796 AMIGAHW_ANNOUNCE(AGNUS_HR_NTSC, "Fat Hires NTSC Agnus 8372");
797 AMIGAHW_ANNOUNCE(ALICE_PAL, "PAL Alice 8374");
798 AMIGAHW_ANNOUNCE(ALICE_NTSC, "NTSC Alice 8374");
799 AMIGAHW_ANNOUNCE(MAGIC_REKICK, "Magic Hard Rekick");
800 AMIGAHW_ANNOUNCE(PCMCIA, "PCMCIA Slot");
801 #ifdef CONFIG_ZORRO
802 if (AMIGAHW_PRESENT(ZORRO))
803 seq_printf(m, "\tZorro II%s AutoConfig: %d Expansion "
804 "Device%s\n",
805 AMIGAHW_PRESENT(ZORRO3) ? "I" : "",
806 zorro_num_autocon, zorro_num_autocon == 1 ? "" : "s");
807 #endif /* CONFIG_ZORRO */
808
809 #undef AMIGAHW_ANNOUNCE
810 }
811
812 /*
813 * The Amiga keyboard driver needs key_maps, but we cannot export it in
814 * drivers/char/defkeymap.c, as it is autogenerated
815 */
816 #ifdef CONFIG_HW_CONSOLE
817 EXPORT_SYMBOL_GPL(key_maps);
818 #endif