2 * linux/arch/m68k/amiga/config.c
4 * Copyright (C) 1993 Hamish Macdonald
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
12 * Miscellaneous Amiga stuff
15 #include <linux/types.h>
16 #include <linux/kernel.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>
27 #include <asm/bootinfo.h>
28 #include <asm/setup.h>
29 #include <asm/system.h>
30 #include <asm/pgtable.h>
31 #include <asm/amigahw.h>
32 #include <asm/amigaints.h>
35 #include <asm/machdep.h>
38 unsigned long amiga_model;
39 unsigned long amiga_eclock;
40 unsigned long amiga_masterclock;
41 unsigned long amiga_colorclock;
42 unsigned long amiga_chipset;
43 unsigned char amiga_vblank;
44 unsigned char amiga_psfreq;
45 struct amiga_hw_present amiga_hw_present;
47 static char s_a500[] __initdata = "A500";
48 static char s_a500p[] __initdata = "A500+";
49 static char s_a600[] __initdata = "A600";
50 static char s_a1000[] __initdata = "A1000";
51 static char s_a1200[] __initdata = "A1200";
52 static char s_a2000[] __initdata = "A2000";
53 static char s_a2500[] __initdata = "A2500";
54 static char s_a3000[] __initdata = "A3000";
55 static char s_a3000t[] __initdata = "A3000T";
56 static char s_a3000p[] __initdata = "A3000+";
57 static char s_a4000[] __initdata = "A4000";
58 static char s_a4000t[] __initdata = "A4000T";
59 static char s_cdtv[] __initdata = "CDTV";
60 static char s_cd32[] __initdata = "CD32";
61 static char s_draco[] __initdata = "Draco";
62 static char *amiga_models[] __initdata = {
63 [AMI_500-AMI_500] = s_a500,
64 [AMI_500PLUS-AMI_500] = s_a500p,
65 [AMI_600-AMI_500] = s_a600,
66 [AMI_1000-AMI_500] = s_a1000,
67 [AMI_1200-AMI_500] = s_a1200,
68 [AMI_2000-AMI_500] = s_a2000,
69 [AMI_2500-AMI_500] = s_a2500,
70 [AMI_3000-AMI_500] = s_a3000,
71 [AMI_3000T-AMI_500] = s_a3000t,
72 [AMI_3000PLUS-AMI_500] = s_a3000p,
73 [AMI_4000-AMI_500] = s_a4000,
74 [AMI_4000T-AMI_500] = s_a4000t,
75 [AMI_CDTV-AMI_500] = s_cdtv,
76 [AMI_CD32-AMI_500] = s_cd32,
77 [AMI_DRACO-AMI_500] = s_draco,
80 static char amiga_model_name[13] = "Amiga ";
82 extern char m68k_debug_device[];
84 static void amiga_sched_init(irq_handler_t handler);
85 /* amiga specific irq functions */
86 extern void amiga_init_IRQ(void);
87 static void amiga_get_model(char *model);
88 static int amiga_get_hardware_list(char *buffer);
89 /* amiga specific timer functions */
90 static unsigned long amiga_gettimeoffset(void);
91 static int a3000_hwclk(int, struct rtc_time *);
92 static int a2000_hwclk(int, struct rtc_time *);
93 static int amiga_set_clock_mmss(unsigned long);
94 static unsigned int amiga_get_ss(void);
95 extern void amiga_mksound(unsigned int count, unsigned int ticks);
96 static void amiga_reset(void);
97 extern void amiga_init_sound(void);
98 static void amiga_savekmsg_init(void);
99 static void amiga_mem_console_write(struct console *co, const char *b,
101 void amiga_serial_console_write(struct console *co, const char *s,
103 static void amiga_debug_init(void);
104 #ifdef CONFIG_HEARTBEAT
105 static void amiga_heartbeat(int on);
108 static struct console amiga_console_driver = {
110 .flags = CON_PRINTBUFFER,
116 * Motherboard Resources present in all Amiga models
120 struct resource _ciab, _ciaa, _custom, _kickstart;
123 .name = "CIA B", .start = 0x00bfd000, .end = 0x00bfdfff
126 .name = "CIA A", .start = 0x00bfe000, .end = 0x00bfefff
129 .name = "Custom I/O", .start = 0x00dff000, .end = 0x00dfffff
132 .name = "Kickstart ROM", .start = 0x00f80000, .end = 0x00ffffff
136 static struct resource rtc_resource = {
137 .start = 0x00dc0000, .end = 0x00dcffff
140 static struct resource ram_resource[NUM_MEMINFO];
144 * Parse an Amiga-specific record in the bootinfo
147 int amiga_parse_bootinfo(const struct bi_record *record)
150 const unsigned long *data = record->data;
152 switch (record->tag) {
157 case BI_AMIGA_ECLOCK:
158 amiga_eclock = *data;
161 case BI_AMIGA_CHIPSET:
162 amiga_chipset = *data;
165 case BI_AMIGA_CHIP_SIZE:
166 amiga_chip_size = *(const int *)data;
169 case BI_AMIGA_VBLANK:
170 amiga_vblank = *(const unsigned char *)data;
173 case BI_AMIGA_PSFREQ:
174 amiga_psfreq = *(const unsigned char *)data;
177 case BI_AMIGA_AUTOCON:
179 if (zorro_num_autocon < ZORRO_NUM_AUTO) {
180 const struct ConfigDev *cd = (struct ConfigDev *)data;
181 struct zorro_dev *dev = &zorro_autocon[zorro_num_autocon++];
182 dev->rom = cd->cd_Rom;
183 dev->slotaddr = cd->cd_SlotAddr;
184 dev->slotsize = cd->cd_SlotSize;
185 dev->resource.start = (unsigned long)cd->cd_BoardAddr;
186 dev->resource.end = dev->resource.start + cd->cd_BoardSize - 1;
188 printk("amiga_parse_bootinfo: too many AutoConfig devices\n");
189 #endif /* CONFIG_ZORRO */
192 case BI_AMIGA_SERPER:
193 /* serial port period: ignored here */
203 * Identify builtin hardware
206 static void __init amiga_identify(void)
208 /* Fill in some default values, if necessary */
209 if (amiga_eclock == 0)
210 amiga_eclock = 709379;
212 memset(&amiga_hw_present, 0, sizeof(amiga_hw_present));
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]);
220 switch (amiga_model) {
226 AMIGAHW_SET(A1200_IDE);
233 AMIGAHW_SET(A2000_CLK); /* Is this correct for all models? */
238 AMIGAHW_SET(AMBER_FF);
239 AMIGAHW_SET(MAGIC_REKICK);
242 AMIGAHW_SET(A3000_SCSI);
243 AMIGAHW_SET(A3000_CLK);
248 AMIGAHW_SET(A4000_SCSI);
251 AMIGAHW_SET(A4000_IDE);
252 AMIGAHW_SET(A3000_CLK);
259 AMIGAHW_SET(A2000_CLK); /* Is this correct? */
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);
274 switch (amiga_chipset) {
278 switch (amiga_custom.deniseid & 0xf) {
280 AMIGAHW_SET(DENISE_HR);
291 switch ((amiga_custom.vposr>>8) & 0x7f) {
293 AMIGAHW_SET(AGNUS_PAL);
296 AMIGAHW_SET(AGNUS_NTSC);
300 AMIGAHW_SET(AGNUS_HR_PAL);
304 AMIGAHW_SET(AGNUS_HR_NTSC);
308 AMIGAHW_SET(ALICE_PAL);
312 AMIGAHW_SET(ALICE_NTSC);
319 panic("No support for Draco yet");
322 panic("Unknown Amiga Model");
325 #define AMIGAHW_ANNOUNCE(name, str) \
326 if (AMIGAHW_PRESENT(name)) \
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" : "");
362 #undef AMIGAHW_ANNOUNCE
366 * Setup the Amiga configuration info
369 void __init config_amiga(void)
376 /* Yuk, we don't have PCI memory */
377 iomem_resource.name = "Memory";
378 for (i = 0; i < 4; i++)
379 request_resource(&iomem_resource, &((struct resource *)&mb_resources)[i]);
381 mach_sched_init = amiga_sched_init;
382 mach_init_IRQ = amiga_init_IRQ;
383 mach_get_model = amiga_get_model;
384 mach_get_hardware_list = amiga_get_hardware_list;
385 mach_gettimeoffset = amiga_gettimeoffset;
386 if (AMIGAHW_PRESENT(A3000_CLK)) {
387 mach_hwclk = a3000_hwclk;
388 rtc_resource.name = "A3000 RTC";
389 request_resource(&iomem_resource, &rtc_resource);
390 } else /* if (AMIGAHW_PRESENT(A2000_CLK)) */ {
391 mach_hwclk = a2000_hwclk;
392 rtc_resource.name = "A2000 RTC";
393 request_resource(&iomem_resource, &rtc_resource);
397 * default MAX_DMA=0xffffffff on all machines. If we don't do so, the SCSI
398 * code will not be able to allocate any mem for transfers, unless we are
399 * dealing with a Z2 mem only system. /Jes
401 mach_max_dma_address = 0xffffffff;
403 mach_set_clock_mmss = amiga_set_clock_mmss;
404 mach_get_ss = amiga_get_ss;
405 mach_reset = amiga_reset;
406 #if defined(CONFIG_INPUT_M68K_BEEP) || defined(CONFIG_INPUT_M68K_BEEP_MODULE)
407 mach_beep = amiga_mksound;
410 #ifdef CONFIG_HEARTBEAT
411 mach_heartbeat = amiga_heartbeat;
414 /* Fill in the clock values (based on the 700 kHz E-Clock) */
415 amiga_masterclock = 40*amiga_eclock; /* 28 MHz */
416 amiga_colorclock = 5*amiga_eclock; /* 3.5 MHz */
418 /* clear all DMA bits */
419 amiga_custom.dmacon = DMAF_ALL;
420 /* ensure that the DMA master bit is set */
421 amiga_custom.dmacon = DMAF_SETCLR | DMAF_MASTER;
423 /* don't use Z2 RAM as system memory on Z3 capable machines */
424 if (AMIGAHW_PRESENT(ZORRO3)) {
426 u32 disabled_z2mem = 0;
428 for (i = 0; i < m68k_num_memory; i++) {
429 if (m68k_memory[i].addr < 16*1024*1024) {
431 /* don't cut off the branch we're sitting on */
432 printk("Warning: kernel runs in Zorro II memory\n");
435 disabled_z2mem += m68k_memory[i].size;
437 for (j = i; j < m68k_num_memory; j++)
438 m68k_memory[j] = m68k_memory[j+1];
443 printk("%dK of Zorro II memory will not be used as system memory\n",
447 /* request all RAM */
448 for (i = 0; i < m68k_num_memory; i++) {
449 ram_resource[i].name =
450 (m68k_memory[i].addr >= 0x01000000) ? "32-bit Fast RAM" :
451 (m68k_memory[i].addr < 0x00c00000) ? "16-bit Fast RAM" :
453 ram_resource[i].start = m68k_memory[i].addr;
454 ram_resource[i].end = m68k_memory[i].addr+m68k_memory[i].size-1;
455 request_resource(&iomem_resource, &ram_resource[i]);
458 /* initialize chipram allocator */
461 /* debugging using chipram */
462 if (!strcmp(m68k_debug_device, "mem")) {
463 if (!AMIGAHW_PRESENT(CHIP_RAM))
464 printk("Warning: no chipram present for debugging\n");
466 amiga_savekmsg_init();
467 amiga_console_driver.write = amiga_mem_console_write;
468 register_console(&amiga_console_driver);
472 /* our beloved beeper */
473 if (AMIGAHW_PRESENT(AMI_AUDIO))
477 * if it is an A3000, set the magic bit that forces
480 if (AMIGAHW_PRESENT(MAGIC_REKICK))
481 *(unsigned char *)ZTWO_VADDR(0xde0002) |= 0x80;
484 static unsigned short jiffy_ticks;
486 static void __init amiga_sched_init(irq_handler_t timer_routine)
488 static struct resource sched_res = {
489 .name = "timer", .start = 0x00bfd400, .end = 0x00bfd5ff,
491 jiffy_ticks = (amiga_eclock+HZ/2)/HZ;
493 if (request_resource(&mb_resources._ciab, &sched_res))
494 printk("Cannot allocate ciab.ta{lo,hi}\n");
495 ciab.cra &= 0xC0; /* turn off timer A, continuous mode, from Eclk */
496 ciab.talo = jiffy_ticks % 256;
497 ciab.tahi = jiffy_ticks / 256;
499 /* install interrupt service routine for CIAB Timer A
501 * Please don't change this to use ciaa, as it interferes with the
502 * SCSI code. We'll have to take a look at this later
504 request_irq(IRQ_AMIGA_CIAB_TA, timer_routine, 0, "timer", NULL);
509 #define TICK_SIZE 10000
511 /* This is always executed with interrupts disabled. */
512 static unsigned long amiga_gettimeoffset(void)
514 unsigned short hi, lo, hi2;
515 unsigned long ticks, offset = 0;
517 /* read CIA B timer A current value */
527 ticks = hi << 8 | lo;
529 if (ticks > jiffy_ticks / 2)
530 /* check for pending interrupt */
531 if (cia_set_irq(&ciab_base, 0) & CIA_ICR_TA)
534 ticks = jiffy_ticks - ticks;
535 ticks = (10000 * ticks) / jiffy_ticks;
537 return ticks + offset;
540 static int a3000_hwclk(int op, struct rtc_time *t)
542 tod_3000.cntrl1 = TOD3000_CNTRL1_HOLD;
544 if (!op) { /* read */
545 t->tm_sec = tod_3000.second1 * 10 + tod_3000.second2;
546 t->tm_min = tod_3000.minute1 * 10 + tod_3000.minute2;
547 t->tm_hour = tod_3000.hour1 * 10 + tod_3000.hour2;
548 t->tm_mday = tod_3000.day1 * 10 + tod_3000.day2;
549 t->tm_wday = tod_3000.weekday;
550 t->tm_mon = tod_3000.month1 * 10 + tod_3000.month2 - 1;
551 t->tm_year = tod_3000.year1 * 10 + tod_3000.year2;
552 if (t->tm_year <= 69)
555 tod_3000.second1 = t->tm_sec / 10;
556 tod_3000.second2 = t->tm_sec % 10;
557 tod_3000.minute1 = t->tm_min / 10;
558 tod_3000.minute2 = t->tm_min % 10;
559 tod_3000.hour1 = t->tm_hour / 10;
560 tod_3000.hour2 = t->tm_hour % 10;
561 tod_3000.day1 = t->tm_mday / 10;
562 tod_3000.day2 = t->tm_mday % 10;
563 if (t->tm_wday != -1)
564 tod_3000.weekday = t->tm_wday;
565 tod_3000.month1 = (t->tm_mon + 1) / 10;
566 tod_3000.month2 = (t->tm_mon + 1) % 10;
567 if (t->tm_year >= 100)
569 tod_3000.year1 = t->tm_year / 10;
570 tod_3000.year2 = t->tm_year % 10;
573 tod_3000.cntrl1 = TOD3000_CNTRL1_FREE;
578 static int a2000_hwclk(int op, struct rtc_time *t)
582 tod_2000.cntrl1 = TOD2000_CNTRL1_HOLD;
584 while ((tod_2000.cntrl1 & TOD2000_CNTRL1_BUSY) && cnt--) {
585 tod_2000.cntrl1 &= ~TOD2000_CNTRL1_HOLD;
587 tod_2000.cntrl1 |= TOD2000_CNTRL1_HOLD;
591 printk(KERN_INFO "hwclk: timed out waiting for RTC (0x%x)\n",
594 if (!op) { /* read */
595 t->tm_sec = tod_2000.second1 * 10 + tod_2000.second2;
596 t->tm_min = tod_2000.minute1 * 10 + tod_2000.minute2;
597 t->tm_hour = (tod_2000.hour1 & 3) * 10 + tod_2000.hour2;
598 t->tm_mday = tod_2000.day1 * 10 + tod_2000.day2;
599 t->tm_wday = tod_2000.weekday;
600 t->tm_mon = tod_2000.month1 * 10 + tod_2000.month2 - 1;
601 t->tm_year = tod_2000.year1 * 10 + tod_2000.year2;
602 if (t->tm_year <= 69)
605 if (!(tod_2000.cntrl3 & TOD2000_CNTRL3_24HMODE)) {
606 if (!(tod_2000.hour1 & TOD2000_HOUR1_PM) && t->tm_hour == 12)
608 else if ((tod_2000.hour1 & TOD2000_HOUR1_PM) && t->tm_hour != 12)
612 tod_2000.second1 = t->tm_sec / 10;
613 tod_2000.second2 = t->tm_sec % 10;
614 tod_2000.minute1 = t->tm_min / 10;
615 tod_2000.minute2 = t->tm_min % 10;
616 if (tod_2000.cntrl3 & TOD2000_CNTRL3_24HMODE)
617 tod_2000.hour1 = t->tm_hour / 10;
618 else if (t->tm_hour >= 12)
619 tod_2000.hour1 = TOD2000_HOUR1_PM +
620 (t->tm_hour - 12) / 10;
622 tod_2000.hour1 = t->tm_hour / 10;
623 tod_2000.hour2 = t->tm_hour % 10;
624 tod_2000.day1 = t->tm_mday / 10;
625 tod_2000.day2 = t->tm_mday % 10;
626 if (t->tm_wday != -1)
627 tod_2000.weekday = t->tm_wday;
628 tod_2000.month1 = (t->tm_mon + 1) / 10;
629 tod_2000.month2 = (t->tm_mon + 1) % 10;
630 if (t->tm_year >= 100)
632 tod_2000.year1 = t->tm_year / 10;
633 tod_2000.year2 = t->tm_year % 10;
636 tod_2000.cntrl1 &= ~TOD2000_CNTRL1_HOLD;
641 static int amiga_set_clock_mmss(unsigned long nowtime)
643 short real_seconds = nowtime % 60, real_minutes = (nowtime / 60) % 60;
645 if (AMIGAHW_PRESENT(A3000_CLK)) {
646 tod_3000.cntrl1 = TOD3000_CNTRL1_HOLD;
648 tod_3000.second1 = real_seconds / 10;
649 tod_3000.second2 = real_seconds % 10;
650 tod_3000.minute1 = real_minutes / 10;
651 tod_3000.minute2 = real_minutes % 10;
653 tod_3000.cntrl1 = TOD3000_CNTRL1_FREE;
654 } else /* if (AMIGAHW_PRESENT(A2000_CLK)) */ {
657 tod_2000.cntrl1 |= TOD2000_CNTRL1_HOLD;
659 while ((tod_2000.cntrl1 & TOD2000_CNTRL1_BUSY) && cnt--) {
660 tod_2000.cntrl1 &= ~TOD2000_CNTRL1_HOLD;
662 tod_2000.cntrl1 |= TOD2000_CNTRL1_HOLD;
666 printk(KERN_INFO "set_clock_mmss: timed out waiting for RTC (0x%x)\n", tod_2000.cntrl1);
668 tod_2000.second1 = real_seconds / 10;
669 tod_2000.second2 = real_seconds % 10;
670 tod_2000.minute1 = real_minutes / 10;
671 tod_2000.minute2 = real_minutes % 10;
673 tod_2000.cntrl1 &= ~TOD2000_CNTRL1_HOLD;
679 static unsigned int amiga_get_ss(void)
683 if (AMIGAHW_PRESENT(A3000_CLK)) {
684 tod_3000.cntrl1 = TOD3000_CNTRL1_HOLD;
685 s = tod_3000.second1 * 10 + tod_3000.second2;
686 tod_3000.cntrl1 = TOD3000_CNTRL1_FREE;
687 } else /* if (AMIGAHW_PRESENT(A2000_CLK)) */ {
688 s = tod_2000.second1 * 10 + tod_2000.second2;
693 static NORET_TYPE void amiga_reset(void)
696 static void amiga_reset(void)
698 unsigned long jmp_addr040 = virt_to_phys(&&jmp_addr_label040);
699 unsigned long jmp_addr = virt_to_phys(&&jmp_addr_label);
702 if (CPU_IS_040_OR_060)
703 /* Setup transparent translation registers for mapping
704 * of 16 MB kernel segment before disabling translation
708 " and.l #0xff000000,%%d0\n"
709 " or.w #0xe020,%%d0\n" /* map 16 MB, enable, cacheable */
711 " movec %%d0,%%itt0\n"
712 " movec %%d0,%%dtt0\n"
719 /* for 680[23]0, just disable translation and jump to the physical
720 * address of the label
730 /* disable translation on '040 now */
734 " movec %%d0,%%tc\n" /* disable MMU */
741 /* pickup reset address from AmigaOS ROM, reset devices and jump
745 " move.w #0x2700,%sr\n"
746 " lea 0x01000000,%a0\n"
747 " sub.l %a0@(-0x14),%a0\n"
748 " move.l %a0@(4),%a0\n"
751 /* align on a longword boundary */
766 #define SAVEKMSG_MAXMEM 128*1024
768 #define SAVEKMSG_MAGIC1 0x53415645 /* 'SAVE' */
769 #define SAVEKMSG_MAGIC2 0x4B4D5347 /* 'KMSG' */
772 unsigned long magic1; /* SAVEKMSG_MAGIC1 */
773 unsigned long magic2; /* SAVEKMSG_MAGIC2 */
774 unsigned long magicptr; /* address of magic1 */
779 static struct savekmsg *savekmsg;
781 static void amiga_mem_console_write(struct console *co, const char *s,
784 if (savekmsg->size + count <= SAVEKMSG_MAXMEM-sizeof(struct savekmsg)) {
785 memcpy(savekmsg->data + savekmsg->size, s, count);
786 savekmsg->size += count;
790 static void amiga_savekmsg_init(void)
792 static struct resource debug_res = { .name = "Debug" };
794 savekmsg = amiga_chip_alloc_res(SAVEKMSG_MAXMEM, &debug_res);
795 savekmsg->magic1 = SAVEKMSG_MAGIC1;
796 savekmsg->magic2 = SAVEKMSG_MAGIC2;
797 savekmsg->magicptr = ZTWO_PADDR(savekmsg);
801 static void amiga_serial_putc(char c)
803 amiga_custom.serdat = (unsigned char)c | 0x100;
804 while (!(amiga_custom.serdatr & 0x2000))
808 void amiga_serial_console_write(struct console *co, const char *s,
813 amiga_serial_putc('\r');
814 amiga_serial_putc(*s++);
818 #ifdef CONFIG_SERIAL_CONSOLE
819 void amiga_serial_puts(const char *s)
821 amiga_serial_console_write(NULL, s, strlen(s));
824 int amiga_serial_console_wait_key(struct console *co)
828 while (!(amiga_custom.intreqr & IF_RBF))
830 ch = amiga_custom.serdatr & 0xff;
831 /* clear the interrupt, so that another character can be read */
832 amiga_custom.intreq = IF_RBF;
836 void amiga_serial_gets(struct console *co, char *s, int len)
841 ch = amiga_serial_console_wait_key(co);
843 /* Check for backspace. */
844 if (ch == 8 || ch == 127) {
846 amiga_serial_putc('\007');
850 amiga_serial_puts("\010 \010");
854 /* Check for enter. */
855 if (ch == 10 || ch == 13)
858 /* See if line is too long. */
859 if (cnt >= len + 1) {
860 amiga_serial_putc(7);
865 /* Store and echo character. */
867 amiga_serial_putc(ch);
870 amiga_serial_puts("\r\n");
875 static void __init amiga_debug_init(void)
877 if (!strcmp(m68k_debug_device, "ser" )) {
878 /* no initialization required (?) */
879 amiga_console_driver.write = amiga_serial_console_write;
880 register_console(&amiga_console_driver);
884 #ifdef CONFIG_HEARTBEAT
885 static void amiga_heartbeat(int on)
895 * Amiga specific parts of /proc
898 static void amiga_get_model(char *model)
900 strcpy(model, amiga_model_name);
904 static int amiga_get_hardware_list(char *buffer)
908 if (AMIGAHW_PRESENT(CHIP_RAM))
909 len += sprintf(buffer+len, "Chip RAM:\t%ldK\n", amiga_chip_size>>10);
910 len += sprintf(buffer+len, "PS Freq:\t%dHz\nEClock Freq:\t%ldHz\n",
911 amiga_psfreq, amiga_eclock);
912 if (AMIGAHW_PRESENT(AMI_VIDEO)) {
914 switch (amiga_chipset) {
925 type = "Old or Unknown";
928 len += sprintf(buffer+len, "Graphics:\t%s\n", type);
931 #define AMIGAHW_ANNOUNCE(name, str) \
932 if (AMIGAHW_PRESENT(name)) \
933 len += sprintf (buffer+len, "\t%s\n", str)
935 len += sprintf (buffer + len, "Detected hardware:\n");
937 AMIGAHW_ANNOUNCE(AMI_VIDEO, "Amiga Video");
938 AMIGAHW_ANNOUNCE(AMI_BLITTER, "Blitter");
939 AMIGAHW_ANNOUNCE(AMBER_FF, "Amber Flicker Fixer");
940 AMIGAHW_ANNOUNCE(AMI_AUDIO, "Amiga Audio");
941 AMIGAHW_ANNOUNCE(AMI_FLOPPY, "Floppy Controller");
942 AMIGAHW_ANNOUNCE(A3000_SCSI, "SCSI Controller WD33C93 (A3000 style)");
943 AMIGAHW_ANNOUNCE(A4000_SCSI, "SCSI Controller NCR53C710 (A4000T style)");
944 AMIGAHW_ANNOUNCE(A1200_IDE, "IDE Interface (A1200 style)");
945 AMIGAHW_ANNOUNCE(A4000_IDE, "IDE Interface (A4000 style)");
946 AMIGAHW_ANNOUNCE(CD_ROM, "Internal CD ROM drive");
947 AMIGAHW_ANNOUNCE(AMI_KEYBOARD, "Keyboard");
948 AMIGAHW_ANNOUNCE(AMI_MOUSE, "Mouse Port");
949 AMIGAHW_ANNOUNCE(AMI_SERIAL, "Serial Port");
950 AMIGAHW_ANNOUNCE(AMI_PARALLEL, "Parallel Port");
951 AMIGAHW_ANNOUNCE(A2000_CLK, "Hardware Clock (A2000 style)");
952 AMIGAHW_ANNOUNCE(A3000_CLK, "Hardware Clock (A3000 style)");
953 AMIGAHW_ANNOUNCE(CHIP_RAM, "Chip RAM");
954 AMIGAHW_ANNOUNCE(PAULA, "Paula 8364");
955 AMIGAHW_ANNOUNCE(DENISE, "Denise 8362");
956 AMIGAHW_ANNOUNCE(DENISE_HR, "Denise 8373");
957 AMIGAHW_ANNOUNCE(LISA, "Lisa 8375");
958 AMIGAHW_ANNOUNCE(AGNUS_PAL, "Normal/Fat PAL Agnus 8367/8371");
959 AMIGAHW_ANNOUNCE(AGNUS_NTSC, "Normal/Fat NTSC Agnus 8361/8370");
960 AMIGAHW_ANNOUNCE(AGNUS_HR_PAL, "Fat Hires PAL Agnus 8372");
961 AMIGAHW_ANNOUNCE(AGNUS_HR_NTSC, "Fat Hires NTSC Agnus 8372");
962 AMIGAHW_ANNOUNCE(ALICE_PAL, "PAL Alice 8374");
963 AMIGAHW_ANNOUNCE(ALICE_NTSC, "NTSC Alice 8374");
964 AMIGAHW_ANNOUNCE(MAGIC_REKICK, "Magic Hard Rekick");
965 AMIGAHW_ANNOUNCE(PCMCIA, "PCMCIA Slot");
967 if (AMIGAHW_PRESENT(ZORRO))
968 len += sprintf(buffer+len, "\tZorro II%s AutoConfig: %d Expansion "
970 AMIGAHW_PRESENT(ZORRO3) ? "I" : "",
971 zorro_num_autocon, zorro_num_autocon == 1 ? "" : "s");
972 #endif /* CONFIG_ZORRO */
974 #undef AMIGAHW_ANNOUNCE