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/config.h>
16 #include <linux/types.h>
17 #include <linux/kernel.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>
26 #include <linux/zorro.h>
29 #include <asm/bootinfo.h>
30 #include <asm/setup.h>
31 #include <asm/system.h>
32 #include <asm/pgtable.h>
33 #include <asm/amigahw.h>
34 #include <asm/amigaints.h>
37 #include <asm/keyboard.h>
38 #include <asm/machdep.h>
41 unsigned long amiga_model;
42 unsigned long amiga_eclock;
43 unsigned long amiga_masterclock;
44 unsigned long amiga_colorclock;
45 unsigned long amiga_chipset;
46 unsigned char amiga_vblank;
47 unsigned char amiga_psfreq;
48 struct amiga_hw_present amiga_hw_present;
50 static char s_a500[] __initdata = "A500";
51 static char s_a500p[] __initdata = "A500+";
52 static char s_a600[] __initdata = "A600";
53 static char s_a1000[] __initdata = "A1000";
54 static char s_a1200[] __initdata = "A1200";
55 static char s_a2000[] __initdata = "A2000";
56 static char s_a2500[] __initdata = "A2500";
57 static char s_a3000[] __initdata = "A3000";
58 static char s_a3000t[] __initdata = "A3000T";
59 static char s_a3000p[] __initdata = "A3000+";
60 static char s_a4000[] __initdata = "A4000";
61 static char s_a4000t[] __initdata = "A4000T";
62 static char s_cdtv[] __initdata = "CDTV";
63 static char s_cd32[] __initdata = "CD32";
64 static char s_draco[] __initdata = "Draco";
65 static char *amiga_models[] __initdata = {
66 s_a500, s_a500p, s_a600, s_a1000, s_a1200, s_a2000, s_a2500, s_a3000,
67 s_a3000t, s_a3000p, s_a4000, s_a4000t, s_cdtv, s_cd32, s_draco,
70 static char amiga_model_name[13] = "Amiga ";
72 extern char m68k_debug_device[];
74 static void amiga_sched_init(void (*handler)(int, void *, struct pt_regs *));
75 /* amiga specific keyboard functions */
76 extern int amiga_keyb_init(void);
77 extern int amiga_kbdrate (struct kbd_repeat *);
78 extern int amiga_kbd_translate(unsigned char keycode, unsigned char *keycodep,
80 /* amiga specific irq functions */
81 extern void amiga_init_IRQ (void);
82 extern void (*amiga_default_handler[]) (int, void *, struct pt_regs *);
83 extern int amiga_request_irq (unsigned int irq,
84 void (*handler)(int, void *, struct pt_regs *),
85 unsigned long flags, const char *devname,
87 extern void amiga_free_irq (unsigned int irq, void *dev_id);
88 extern void amiga_enable_irq (unsigned int);
89 extern void amiga_disable_irq (unsigned int);
90 static void amiga_get_model(char *model);
91 static int amiga_get_hardware_list(char *buffer);
92 extern int amiga_get_irq_list (char *);
93 /* amiga specific timer functions */
94 static unsigned long amiga_gettimeoffset (void);
95 static void a3000_gettod (int *, int *, int *, int *, int *, int *);
96 static void a2000_gettod (int *, int *, int *, int *, int *, int *);
97 static int amiga_hwclk (int, struct rtc_time *);
98 static int amiga_set_clock_mmss (unsigned long);
99 static unsigned int amiga_get_ss (void);
100 extern void amiga_mksound( unsigned int count, unsigned int ticks );
101 #ifdef CONFIG_AMIGA_FLOPPY
102 extern void amiga_floppy_setup(char *, int *);
104 static void amiga_reset (void);
105 extern void amiga_init_sound(void);
106 static void amiga_savekmsg_init(void);
107 static void amiga_mem_console_write(struct console *co, const char *b,
109 void amiga_serial_console_write(struct console *co, const char *s,
111 static void amiga_debug_init(void);
112 #ifdef CONFIG_HEARTBEAT
113 static void amiga_heartbeat(int on);
116 static struct console amiga_console_driver = {
118 flags: CON_PRINTBUFFER,
122 #ifdef CONFIG_MAGIC_SYSRQ
123 static char amiga_sysrq_xlate[128] =
124 "\0001234567890-=\\\000\000" /* 0x00 - 0x0f */
125 "qwertyuiop[]\000123" /* 0x10 - 0x1f */
126 "asdfghjkl;'\000\000456" /* 0x20 - 0x2f */
127 "\000zxcvbnm,./\000+789" /* 0x30 - 0x3f */
128 " \177\t\r\r\000\177\000\000\000-\000\000\000\000\000" /* 0x40 - 0x4f */
129 "\000\201\202\203\204\205\206\207\210\211()/*+\000" /* 0x50 - 0x5f */
130 "\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000" /* 0x60 - 0x6f */
131 "\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000"; /* 0x70 - 0x7f */
136 * Motherboard Resources present in all Amiga models
140 struct resource _ciab, _ciaa, _custom, _kickstart;
142 _ciab: { "CIA B", 0x00bfd000, 0x00bfdfff },
143 _ciaa: { "CIA A", 0x00bfe000, 0x00bfefff },
144 _custom: { "Custom I/O", 0x00dff000, 0x00dfffff },
145 _kickstart: { "Kickstart ROM", 0x00f80000, 0x00ffffff }
148 static struct resource rtc_resource = {
149 NULL, 0x00dc0000, 0x00dcffff
152 static struct resource ram_resource[NUM_MEMINFO];
156 * Parse an Amiga-specific record in the bootinfo
159 int amiga_parse_bootinfo(const struct bi_record *record)
162 const unsigned long *data = record->data;
164 switch (record->tag) {
169 case BI_AMIGA_ECLOCK:
170 amiga_eclock = *data;
173 case BI_AMIGA_CHIPSET:
174 amiga_chipset = *data;
177 case BI_AMIGA_CHIP_SIZE:
178 amiga_chip_size = *(const int *)data;
181 case BI_AMIGA_VBLANK:
182 amiga_vblank = *(const unsigned char *)data;
185 case BI_AMIGA_PSFREQ:
186 amiga_psfreq = *(const unsigned char *)data;
189 case BI_AMIGA_AUTOCON:
191 if (zorro_num_autocon < ZORRO_NUM_AUTO) {
192 const struct ConfigDev *cd = (struct ConfigDev *)data;
193 struct zorro_dev *dev = &zorro_autocon[zorro_num_autocon++];
194 dev->rom = cd->cd_Rom;
195 dev->slotaddr = cd->cd_SlotAddr;
196 dev->slotsize = cd->cd_SlotSize;
197 dev->resource.start = (unsigned long)cd->cd_BoardAddr;
198 dev->resource.end = dev->resource.start+cd->cd_BoardSize-1;
200 printk("amiga_parse_bootinfo: too many AutoConfig devices\n");
201 #endif /* CONFIG_ZORRO */
204 case BI_AMIGA_SERPER:
205 /* serial port period: ignored here */
215 * Identify builtin hardware
218 static void __init amiga_identify(void)
220 /* Fill in some default values, if necessary */
221 if (amiga_eclock == 0)
222 amiga_eclock = 709379;
224 memset(&amiga_hw_present, 0, sizeof(amiga_hw_present));
226 printk("Amiga hardware found: ");
227 if (amiga_model >= AMI_500 && amiga_model <= AMI_DRACO) {
228 printk("[%s] ", amiga_models[amiga_model-AMI_500]);
229 strcat(amiga_model_name, amiga_models[amiga_model-AMI_500]);
232 switch(amiga_model) {
238 AMIGAHW_SET(A1200_IDE);
245 AMIGAHW_SET(A2000_CLK); /* Is this correct for all models? */
250 AMIGAHW_SET(AMBER_FF);
251 AMIGAHW_SET(MAGIC_REKICK);
254 AMIGAHW_SET(A3000_SCSI);
255 AMIGAHW_SET(A3000_CLK);
260 AMIGAHW_SET(A4000_SCSI);
263 AMIGAHW_SET(A4000_IDE);
264 AMIGAHW_SET(A3000_CLK);
271 AMIGAHW_SET(A2000_CLK); /* Is this correct? */
275 AMIGAHW_SET(AMI_VIDEO);
276 AMIGAHW_SET(AMI_BLITTER);
277 AMIGAHW_SET(AMI_AUDIO);
278 AMIGAHW_SET(AMI_FLOPPY);
279 AMIGAHW_SET(AMI_KEYBOARD);
280 AMIGAHW_SET(AMI_MOUSE);
281 AMIGAHW_SET(AMI_SERIAL);
282 AMIGAHW_SET(AMI_PARALLEL);
283 AMIGAHW_SET(CHIP_RAM);
286 switch(amiga_chipset) {
290 switch (custom.deniseid & 0xf) {
292 AMIGAHW_SET(DENISE_HR);
303 switch ((custom.vposr>>8) & 0x7f) {
305 AMIGAHW_SET(AGNUS_PAL);
308 AMIGAHW_SET(AGNUS_NTSC);
312 AMIGAHW_SET(AGNUS_HR_PAL);
316 AMIGAHW_SET(AGNUS_HR_NTSC);
320 AMIGAHW_SET(ALICE_PAL);
324 AMIGAHW_SET(ALICE_NTSC);
331 panic("No support for Draco yet");
334 panic("Unknown Amiga Model");
337 #define AMIGAHW_ANNOUNCE(name, str) \
338 if (AMIGAHW_PRESENT(name)) \
341 AMIGAHW_ANNOUNCE(AMI_VIDEO, "VIDEO ");
342 AMIGAHW_ANNOUNCE(AMI_BLITTER, "BLITTER ");
343 AMIGAHW_ANNOUNCE(AMBER_FF, "AMBER_FF ");
344 AMIGAHW_ANNOUNCE(AMI_AUDIO, "AUDIO ");
345 AMIGAHW_ANNOUNCE(AMI_FLOPPY, "FLOPPY ");
346 AMIGAHW_ANNOUNCE(A3000_SCSI, "A3000_SCSI ");
347 AMIGAHW_ANNOUNCE(A4000_SCSI, "A4000_SCSI ");
348 AMIGAHW_ANNOUNCE(A1200_IDE, "A1200_IDE ");
349 AMIGAHW_ANNOUNCE(A4000_IDE, "A4000_IDE ");
350 AMIGAHW_ANNOUNCE(CD_ROM, "CD_ROM ");
351 AMIGAHW_ANNOUNCE(AMI_KEYBOARD, "KEYBOARD ");
352 AMIGAHW_ANNOUNCE(AMI_MOUSE, "MOUSE ");
353 AMIGAHW_ANNOUNCE(AMI_SERIAL, "SERIAL ");
354 AMIGAHW_ANNOUNCE(AMI_PARALLEL, "PARALLEL ");
355 AMIGAHW_ANNOUNCE(A2000_CLK, "A2000_CLK ");
356 AMIGAHW_ANNOUNCE(A3000_CLK, "A3000_CLK ");
357 AMIGAHW_ANNOUNCE(CHIP_RAM, "CHIP_RAM ");
358 AMIGAHW_ANNOUNCE(PAULA, "PAULA ");
359 AMIGAHW_ANNOUNCE(DENISE, "DENISE ");
360 AMIGAHW_ANNOUNCE(DENISE_HR, "DENISE_HR ");
361 AMIGAHW_ANNOUNCE(LISA, "LISA ");
362 AMIGAHW_ANNOUNCE(AGNUS_PAL, "AGNUS_PAL ");
363 AMIGAHW_ANNOUNCE(AGNUS_NTSC, "AGNUS_NTSC ");
364 AMIGAHW_ANNOUNCE(AGNUS_HR_PAL, "AGNUS_HR_PAL ");
365 AMIGAHW_ANNOUNCE(AGNUS_HR_NTSC, "AGNUS_HR_NTSC ");
366 AMIGAHW_ANNOUNCE(ALICE_PAL, "ALICE_PAL ");
367 AMIGAHW_ANNOUNCE(ALICE_NTSC, "ALICE_NTSC ");
368 AMIGAHW_ANNOUNCE(MAGIC_REKICK, "MAGIC_REKICK ");
369 AMIGAHW_ANNOUNCE(PCMCIA, "PCMCIA ");
370 if (AMIGAHW_PRESENT(ZORRO))
371 printk("ZORRO%s ", AMIGAHW_PRESENT(ZORRO3) ? "3" : "");
374 #undef AMIGAHW_ANNOUNCE
378 * Setup the Amiga configuration info
381 void __init config_amiga(void)
388 /* Yuk, we don't have PCI memory */
389 iomem_resource.name = "Memory";
390 for (i = 0; i < 4; i++)
391 request_resource(&iomem_resource, &((struct resource *)&mb_resources)[i]);
393 mach_sched_init = amiga_sched_init;
395 mach_keyb_init = amiga_keyb_init;
396 mach_kbdrate = amiga_kbdrate;
397 mach_kbd_translate = amiga_kbd_translate;
398 kd_mksound = amiga_mksound;
400 mach_init_IRQ = amiga_init_IRQ;
401 mach_default_handler = &amiga_default_handler;
402 mach_request_irq = amiga_request_irq;
403 mach_free_irq = amiga_free_irq;
404 enable_irq = amiga_enable_irq;
405 disable_irq = amiga_disable_irq;
406 mach_get_model = amiga_get_model;
407 mach_get_hardware_list = amiga_get_hardware_list;
408 mach_get_irq_list = amiga_get_irq_list;
409 mach_gettimeoffset = amiga_gettimeoffset;
410 if (AMIGAHW_PRESENT(A3000_CLK)){
411 mach_gettod = a3000_gettod;
412 rtc_resource.name = "A3000 RTC";
413 request_resource(&iomem_resource, &rtc_resource);
415 else{ /* if (AMIGAHW_PRESENT(A2000_CLK)) */
416 mach_gettod = a2000_gettod;
417 rtc_resource.name = "A2000 RTC";
418 request_resource(&iomem_resource, &rtc_resource);
421 mach_max_dma_address = 0xffffffff; /*
422 * default MAX_DMA=0xffffffff
423 * on all machines. If we don't
424 * do so, the SCSI code will not
425 * be able to allocate any mem
426 * for transfers, unless we are
427 * dealing with a Z2 mem only
431 mach_hwclk = amiga_hwclk;
432 mach_set_clock_mmss = amiga_set_clock_mmss;
433 mach_get_ss = amiga_get_ss;
434 #ifdef CONFIG_AMIGA_FLOPPY
435 mach_floppy_setup = amiga_floppy_setup;
437 mach_reset = amiga_reset;
438 #ifdef CONFIG_DUMMY_CONSOLE
439 conswitchp = &dummy_con;
441 #ifdef CONFIG_MAGIC_SYSRQ
443 mach_sysrq_key = 0x5f; /* HELP */
444 mach_sysrq_shift_state = 0x03; /* SHIFT+ALTGR */
445 mach_sysrq_shift_mask = 0xff; /* all modifiers except CapsLock */
446 mach_sysrq_xlate = amiga_sysrq_xlate;
448 #ifdef CONFIG_HEARTBEAT
449 mach_heartbeat = amiga_heartbeat;
452 /* Fill in the clock values (based on the 700 kHz E-Clock) */
453 amiga_masterclock = 40*amiga_eclock; /* 28 MHz */
454 amiga_colorclock = 5*amiga_eclock; /* 3.5 MHz */
456 /* clear all DMA bits */
457 custom.dmacon = DMAF_ALL;
458 /* ensure that the DMA master bit is set */
459 custom.dmacon = DMAF_SETCLR | DMAF_MASTER;
461 /* don't use Z2 RAM as system memory on Z3 capable machines */
462 if (AMIGAHW_PRESENT(ZORRO3)) {
464 u32 disabled_z2mem = 0;
465 for (i = 0; i < m68k_num_memory; i++)
466 if (m68k_memory[i].addr < 16*1024*1024) {
468 /* don't cut off the branch we're sitting on */
469 printk("Warning: kernel runs in Zorro II memory\n");
472 disabled_z2mem += m68k_memory[i].size;
474 for (j = i; j < m68k_num_memory; j++)
475 m68k_memory[j] = m68k_memory[j+1];
479 printk("%dK of Zorro II memory will not be used as system memory\n",
483 /* request all RAM */
484 for (i = 0; i < m68k_num_memory; i++) {
485 ram_resource[i].name =
486 (m68k_memory[i].addr >= 0x01000000) ? "32-bit Fast RAM" :
487 (m68k_memory[i].addr < 0x00c00000) ? "16-bit Fast RAM" :
489 ram_resource[i].start = m68k_memory[i].addr;
490 ram_resource[i].end = m68k_memory[i].addr+m68k_memory[i].size-1;
491 request_resource(&iomem_resource, &ram_resource[i]);
494 /* initialize chipram allocator */
497 /* debugging using chipram */
498 if (!strcmp( m68k_debug_device, "mem" )){
499 if (!AMIGAHW_PRESENT(CHIP_RAM))
500 printk("Warning: no chipram present for debugging\n");
502 amiga_savekmsg_init();
503 amiga_console_driver.write = amiga_mem_console_write;
504 register_console(&amiga_console_driver);
508 /* our beloved beeper */
509 if (AMIGAHW_PRESENT(AMI_AUDIO))
513 * if it is an A3000, set the magic bit that forces
516 if (AMIGAHW_PRESENT(MAGIC_REKICK))
517 *(unsigned char *)ZTWO_VADDR(0xde0002) |= 0x80;
520 static unsigned short jiffy_ticks;
522 static void __init amiga_sched_init(void (*timer_routine)(int, void *,
525 static struct resource sched_res = {
526 "timer", 0x00bfd400, 0x00bfd5ff,
528 jiffy_ticks = (amiga_eclock+HZ/2)/HZ;
530 if (request_resource(&mb_resources._ciab, &sched_res))
531 printk("Cannot allocate ciab.ta{lo,hi}\n");
532 ciab.cra &= 0xC0; /* turn off timer A, continuous mode, from Eclk */
533 ciab.talo = jiffy_ticks % 256;
534 ciab.tahi = jiffy_ticks / 256;
536 /* install interrupt service routine for CIAB Timer A
538 * Please don't change this to use ciaa, as it interferes with the
539 * SCSI code. We'll have to take a look at this later
541 request_irq(IRQ_AMIGA_CIAB_TA, timer_routine, 0, "timer", NULL);
546 #define TICK_SIZE 10000
548 /* This is always executed with interrupts disabled. */
549 static unsigned long amiga_gettimeoffset (void)
551 unsigned short hi, lo, hi2;
552 unsigned long ticks, offset = 0;
554 /* read CIA B timer A current value */
564 ticks = hi << 8 | lo;
566 if (ticks > jiffy_ticks / 2)
567 /* check for pending interrupt */
568 if (cia_set_irq(&ciab_base, 0) & CIA_ICR_TA)
571 ticks = jiffy_ticks - ticks;
572 ticks = (10000 * ticks) / jiffy_ticks;
574 return ticks + offset;
577 static void a3000_gettod (int *yearp, int *monp, int *dayp,
578 int *hourp, int *minp, int *secp)
580 tod_3000.cntrl1 = TOD3000_CNTRL1_HOLD;
582 *secp = tod_3000.second1 * 10 + tod_3000.second2;
583 *minp = tod_3000.minute1 * 10 + tod_3000.minute2;
584 *hourp = tod_3000.hour1 * 10 + tod_3000.hour2;
585 *dayp = tod_3000.day1 * 10 + tod_3000.day2;
586 *monp = tod_3000.month1 * 10 + tod_3000.month2;
587 *yearp = tod_3000.year1 * 10 + tod_3000.year2;
589 tod_3000.cntrl1 = TOD3000_CNTRL1_FREE;
592 static void a2000_gettod (int *yearp, int *monp, int *dayp,
593 int *hourp, int *minp, int *secp)
597 tod_2000.cntrl1 |= TOD2000_CNTRL1_HOLD;
599 while ((tod_2000.cntrl1 & TOD2000_CNTRL1_BUSY) && cnt--)
601 tod_2000.cntrl1 &= ~TOD2000_CNTRL1_HOLD;
603 tod_2000.cntrl1 |= TOD2000_CNTRL1_HOLD;
607 printk(KERN_INFO "gettod: timed out waiting for RTC (0x%x)\n", tod_2000.cntrl1);
609 *secp = tod_2000.second1 * 10 + tod_2000.second2;
610 *minp = tod_2000.minute1 * 10 + tod_2000.minute2;
611 *hourp = (tod_2000.hour1 & 3) * 10 + tod_2000.hour2;
612 *dayp = tod_2000.day1 * 10 + tod_2000.day2;
613 *monp = tod_2000.month1 * 10 + tod_2000.month2;
614 *yearp = tod_2000.year1 * 10 + tod_2000.year2;
616 if (!(tod_2000.cntrl3 & TOD2000_CNTRL3_24HMODE)){
617 if (!(tod_2000.hour1 & TOD2000_HOUR1_PM) && *hourp == 12)
619 else if ((tod_2000.hour1 & TOD2000_HOUR1_PM) && *hourp != 12)
623 tod_2000.cntrl1 &= ~TOD2000_CNTRL1_HOLD;
626 static int amiga_hwclk(int op, struct rtc_time *t)
628 if (AMIGAHW_PRESENT(A3000_CLK)) {
629 tod_3000.cntrl1 = TOD3000_CNTRL1_HOLD;
631 if (!op) { /* read */
632 t->tm_sec = tod_3000.second1 * 10 + tod_3000.second2;
633 t->tm_min = tod_3000.minute1 * 10 + tod_3000.minute2;
634 t->tm_hour = tod_3000.hour1 * 10 + tod_3000.hour2;
635 t->tm_mday = tod_3000.day1 * 10 + tod_3000.day2;
636 t->tm_wday = tod_3000.weekday;
637 t->tm_mon = tod_3000.month1 * 10 + tod_3000.month2 - 1;
638 t->tm_year = tod_3000.year1 * 10 + tod_3000.year2;
639 if (t->tm_year <= 69)
642 tod_3000.second1 = t->tm_sec / 10;
643 tod_3000.second2 = t->tm_sec % 10;
644 tod_3000.minute1 = t->tm_min / 10;
645 tod_3000.minute2 = t->tm_min % 10;
646 tod_3000.hour1 = t->tm_hour / 10;
647 tod_3000.hour2 = t->tm_hour % 10;
648 tod_3000.day1 = t->tm_mday / 10;
649 tod_3000.day2 = t->tm_mday % 10;
650 if (t->tm_wday != -1)
651 tod_3000.weekday = t->tm_wday;
652 tod_3000.month1 = (t->tm_mon + 1) / 10;
653 tod_3000.month2 = (t->tm_mon + 1) % 10;
654 if (t->tm_year >= 100)
656 tod_3000.year1 = t->tm_year / 10;
657 tod_3000.year2 = t->tm_year % 10;
660 tod_3000.cntrl1 = TOD3000_CNTRL1_FREE;
661 } else /* if (AMIGAHW_PRESENT(A2000_CLK)) */ {
664 tod_2000.cntrl1 |= TOD2000_CNTRL1_HOLD;
666 while ((tod_2000.cntrl1 & TOD2000_CNTRL1_BUSY) && cnt--)
668 tod_2000.cntrl1 &= ~TOD2000_CNTRL1_HOLD;
670 tod_2000.cntrl1 |= TOD2000_CNTRL1_HOLD;
674 printk(KERN_INFO "hwclk: timed out waiting for RTC (0x%x)\n", tod_2000.cntrl1);
676 if (!op) { /* read */
677 t->tm_sec = tod_2000.second1 * 10 + tod_2000.second2;
678 t->tm_min = tod_2000.minute1 * 10 + tod_2000.minute2;
679 t->tm_hour = (tod_2000.hour1 & 3) * 10 + tod_2000.hour2;
680 t->tm_mday = tod_2000.day1 * 10 + tod_2000.day2;
681 t->tm_wday = tod_2000.weekday;
682 t->tm_mon = tod_2000.month1 * 10 + tod_2000.month2 - 1;
683 t->tm_year = tod_2000.year1 * 10 + tod_2000.year2;
684 if (t->tm_year <= 69)
687 if (!(tod_2000.cntrl3 & TOD2000_CNTRL3_24HMODE)){
688 if (!(tod_2000.hour1 & TOD2000_HOUR1_PM) && t->tm_hour == 12)
690 else if ((tod_2000.hour1 & TOD2000_HOUR1_PM) && t->tm_hour != 12)
694 tod_2000.second1 = t->tm_sec / 10;
695 tod_2000.second2 = t->tm_sec % 10;
696 tod_2000.minute1 = t->tm_min / 10;
697 tod_2000.minute2 = t->tm_min % 10;
698 if (tod_2000.cntrl3 & TOD2000_CNTRL3_24HMODE)
699 tod_2000.hour1 = t->tm_hour / 10;
700 else if (t->tm_hour >= 12)
701 tod_2000.hour1 = TOD2000_HOUR1_PM +
702 (t->tm_hour - 12) / 10;
704 tod_2000.hour1 = t->tm_hour / 10;
705 tod_2000.hour2 = t->tm_hour % 10;
706 tod_2000.day1 = t->tm_mday / 10;
707 tod_2000.day2 = t->tm_mday % 10;
708 if (t->tm_wday != -1)
709 tod_2000.weekday = t->tm_wday;
710 tod_2000.month1 = (t->tm_mon + 1) / 10;
711 tod_2000.month2 = (t->tm_mon + 1) % 10;
712 if (t->tm_year >= 100)
714 tod_2000.year1 = t->tm_year / 10;
715 tod_2000.year2 = t->tm_year % 10;
718 tod_2000.cntrl1 &= ~TOD2000_CNTRL1_HOLD;
724 static int amiga_set_clock_mmss (unsigned long nowtime)
726 short real_seconds = nowtime % 60, real_minutes = (nowtime / 60) % 60;
728 if (AMIGAHW_PRESENT(A3000_CLK)) {
729 tod_3000.cntrl1 = TOD3000_CNTRL1_HOLD;
731 tod_3000.second1 = real_seconds / 10;
732 tod_3000.second2 = real_seconds % 10;
733 tod_3000.minute1 = real_minutes / 10;
734 tod_3000.minute2 = real_minutes % 10;
736 tod_3000.cntrl1 = TOD3000_CNTRL1_FREE;
737 } else /* if (AMIGAHW_PRESENT(A2000_CLK)) */ {
740 tod_2000.cntrl1 |= TOD2000_CNTRL1_HOLD;
742 while ((tod_2000.cntrl1 & TOD2000_CNTRL1_BUSY) && cnt--)
744 tod_2000.cntrl1 &= ~TOD2000_CNTRL1_HOLD;
746 tod_2000.cntrl1 |= TOD2000_CNTRL1_HOLD;
750 printk(KERN_INFO "set_clock_mmss: timed out waiting for RTC (0x%x)\n", tod_2000.cntrl1);
752 tod_2000.second1 = real_seconds / 10;
753 tod_2000.second2 = real_seconds % 10;
754 tod_2000.minute1 = real_minutes / 10;
755 tod_2000.minute2 = real_minutes % 10;
757 tod_2000.cntrl1 &= ~TOD2000_CNTRL1_HOLD;
763 static unsigned int amiga_get_ss( void )
767 if (AMIGAHW_PRESENT(A3000_CLK)) {
768 tod_3000.cntrl1 = TOD3000_CNTRL1_HOLD;
769 s = tod_3000.second1 * 10 + tod_3000.second2;
770 tod_3000.cntrl1 = TOD3000_CNTRL1_FREE;
771 } else /* if (AMIGAHW_PRESENT(A2000_CLK)) */ {
772 s = tod_2000.second1 * 10 + tod_2000.second2;
777 static NORET_TYPE void amiga_reset( void )
780 static void amiga_reset (void)
782 unsigned long jmp_addr040 = virt_to_phys(&&jmp_addr_label040);
783 unsigned long jmp_addr = virt_to_phys(&&jmp_addr_label);
786 if (CPU_IS_040_OR_060)
787 /* Setup transparent translation registers for mapping
788 * of 16 MB kernel segment before disabling translation
792 "andl #0xff000000,%/d0\n\t"
793 "orw #0xe020,%/d0\n\t" /* map 16 MB, enable, cacheable */
795 "movec %%d0,%%itt0\n\t"
796 "movec %%d0,%%dtt0\n\t"
800 : "a" (jmp_addr040));
802 /* for 680[23]0, just disable translation and jump to the physical
803 * address of the label
813 /* disable translation on '040 now */
817 "movec %%d0,%%tc\n\t" /* disable MMU */
824 /* pickup reset address from AmigaOS ROM, reset devices and jump
828 ("movew #0x2700,%/sr\n\t"
829 "leal 0x01000000,%/a0\n\t"
830 "subl %/a0@(-0x14),%/a0\n\t"
831 "movel %/a0@(4),%/a0\n\t"
834 /* align on a longword boundary */
838 "jmp %/a0@" : /* Just that gcc scans it for % escapes */ );
849 #define SAVEKMSG_MAXMEM 128*1024
851 #define SAVEKMSG_MAGIC1 0x53415645 /* 'SAVE' */
852 #define SAVEKMSG_MAGIC2 0x4B4D5347 /* 'KMSG' */
855 unsigned long magic1; /* SAVEKMSG_MAGIC1 */
856 unsigned long magic2; /* SAVEKMSG_MAGIC2 */
857 unsigned long magicptr; /* address of magic1 */
862 static struct savekmsg *savekmsg = NULL;
864 static void amiga_mem_console_write(struct console *co, const char *s,
867 if (savekmsg->size+count <= SAVEKMSG_MAXMEM-sizeof(struct savekmsg)) {
868 memcpy(savekmsg->data+savekmsg->size, s, count);
869 savekmsg->size += count;
873 static void amiga_savekmsg_init(void)
875 static struct resource debug_res = { "Debug" };
877 savekmsg = amiga_chip_alloc_res(SAVEKMSG_MAXMEM, &debug_res);
878 savekmsg->magic1 = SAVEKMSG_MAGIC1;
879 savekmsg->magic2 = SAVEKMSG_MAGIC2;
880 savekmsg->magicptr = ZTWO_PADDR(savekmsg);
884 static void amiga_serial_putc(char c)
886 custom.serdat = (unsigned char)c | 0x100;
887 while (!(custom.serdatr & 0x2000))
891 void amiga_serial_console_write(struct console *co, const char *s,
896 amiga_serial_putc('\r');
897 amiga_serial_putc(*s++);
901 #ifdef CONFIG_SERIAL_CONSOLE
902 void amiga_serial_puts(const char *s)
904 amiga_serial_console_write(NULL, s, strlen(s));
907 int amiga_serial_console_wait_key(struct console *co)
911 while (!(custom.intreqr & IF_RBF))
913 ch = custom.serdatr & 0xff;
914 /* clear the interrupt, so that another character can be read */
915 custom.intreq = IF_RBF;
919 void amiga_serial_gets(struct console *co, char *s, int len)
924 ch = amiga_serial_console_wait_key(co);
926 /* Check for backspace. */
927 if (ch == 8 || ch == 127) {
929 amiga_serial_putc('\007');
933 amiga_serial_puts("\010 \010");
937 /* Check for enter. */
938 if (ch == 10 || ch == 13)
941 /* See if line is too long. */
942 if (cnt >= len + 1) {
943 amiga_serial_putc(7);
948 /* Store and echo character. */
950 amiga_serial_putc(ch);
953 amiga_serial_puts("\r\n");
958 static void __init amiga_debug_init(void)
960 if (!strcmp( m68k_debug_device, "ser" )) {
961 /* no initialization required (?) */
962 amiga_console_driver.write = amiga_serial_console_write;
963 register_console(&amiga_console_driver);
967 #ifdef CONFIG_HEARTBEAT
968 static void amiga_heartbeat(int on)
978 * Amiga specific parts of /proc
981 static void amiga_get_model(char *model)
983 strcpy(model, amiga_model_name);
987 static int amiga_get_hardware_list(char *buffer)
991 if (AMIGAHW_PRESENT(CHIP_RAM))
992 len += sprintf(buffer+len, "Chip RAM:\t%ldK\n", amiga_chip_size>>10);
993 len += sprintf(buffer+len, "PS Freq:\t%dHz\nEClock Freq:\t%ldHz\n",
994 amiga_psfreq, amiga_eclock);
995 if (AMIGAHW_PRESENT(AMI_VIDEO)) {
997 switch(amiga_chipset) {
1008 type = "Old or Unknown";
1011 len += sprintf(buffer+len, "Graphics:\t%s\n", type);
1014 #define AMIGAHW_ANNOUNCE(name, str) \
1015 if (AMIGAHW_PRESENT(name)) \
1016 len += sprintf (buffer+len, "\t%s\n", str)
1018 len += sprintf (buffer + len, "Detected hardware:\n");
1020 AMIGAHW_ANNOUNCE(AMI_VIDEO, "Amiga Video");
1021 AMIGAHW_ANNOUNCE(AMI_BLITTER, "Blitter");
1022 AMIGAHW_ANNOUNCE(AMBER_FF, "Amber Flicker Fixer");
1023 AMIGAHW_ANNOUNCE(AMI_AUDIO, "Amiga Audio");
1024 AMIGAHW_ANNOUNCE(AMI_FLOPPY, "Floppy Controller");
1025 AMIGAHW_ANNOUNCE(A3000_SCSI, "SCSI Controller WD33C93 (A3000 style)");
1026 AMIGAHW_ANNOUNCE(A4000_SCSI, "SCSI Controller NCR53C710 (A4000T style)");
1027 AMIGAHW_ANNOUNCE(A1200_IDE, "IDE Interface (A1200 style)");
1028 AMIGAHW_ANNOUNCE(A4000_IDE, "IDE Interface (A4000 style)");
1029 AMIGAHW_ANNOUNCE(CD_ROM, "Internal CD ROM drive");
1030 AMIGAHW_ANNOUNCE(AMI_KEYBOARD, "Keyboard");
1031 AMIGAHW_ANNOUNCE(AMI_MOUSE, "Mouse Port");
1032 AMIGAHW_ANNOUNCE(AMI_SERIAL, "Serial Port");
1033 AMIGAHW_ANNOUNCE(AMI_PARALLEL, "Parallel Port");
1034 AMIGAHW_ANNOUNCE(A2000_CLK, "Hardware Clock (A2000 style)");
1035 AMIGAHW_ANNOUNCE(A3000_CLK, "Hardware Clock (A3000 style)");
1036 AMIGAHW_ANNOUNCE(CHIP_RAM, "Chip RAM");
1037 AMIGAHW_ANNOUNCE(PAULA, "Paula 8364");
1038 AMIGAHW_ANNOUNCE(DENISE, "Denise 8362");
1039 AMIGAHW_ANNOUNCE(DENISE_HR, "Denise 8373");
1040 AMIGAHW_ANNOUNCE(LISA, "Lisa 8375");
1041 AMIGAHW_ANNOUNCE(AGNUS_PAL, "Normal/Fat PAL Agnus 8367/8371");
1042 AMIGAHW_ANNOUNCE(AGNUS_NTSC, "Normal/Fat NTSC Agnus 8361/8370");
1043 AMIGAHW_ANNOUNCE(AGNUS_HR_PAL, "Fat Hires PAL Agnus 8372");
1044 AMIGAHW_ANNOUNCE(AGNUS_HR_NTSC, "Fat Hires NTSC Agnus 8372");
1045 AMIGAHW_ANNOUNCE(ALICE_PAL, "PAL Alice 8374");
1046 AMIGAHW_ANNOUNCE(ALICE_NTSC, "NTSC Alice 8374");
1047 AMIGAHW_ANNOUNCE(MAGIC_REKICK, "Magic Hard Rekick");
1048 AMIGAHW_ANNOUNCE(PCMCIA, "PCMCIA Slot");
1050 if (AMIGAHW_PRESENT(ZORRO))
1051 len += sprintf(buffer+len, "\tZorro II%s AutoConfig: %d Expansion "
1053 AMIGAHW_PRESENT(ZORRO3) ? "I" : "",
1054 zorro_num_autocon, zorro_num_autocon == 1 ? "" : "s");
1055 #endif /* CONFIG_ZORRO */
1057 #undef AMIGAHW_ANNOUNCE