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 static int a3000_hwclk(int, struct rtc_time *); 101 static int a2000_hwclk(int, struct rtc_time *); 102 static int amiga_set_clock_mmss(unsigned long); 103 static unsigned int amiga_get_ss(void); 104 extern void amiga_mksound(unsigned int count, unsigned int ticks); 105 static void amiga_reset(void); 106 extern void amiga_init_sound(void); 107 static void amiga_mem_console_write(struct console *co, const char *b, 108 unsigned int count); 109 #ifdef CONFIG_HEARTBEAT 110 static void amiga_heartbeat(int on); 111 #endif 112 113 static struct console amiga_console_driver = { 114 .name = "debug", 115 .flags = CON_PRINTBUFFER, 116 .index = -1, 117 }; 118 119 120 /* 121 * Motherboard Resources present in all Amiga models 122 */ 123 124 static struct { 125 struct resource _ciab, _ciaa, _custom, _kickstart; 126 } mb_resources = { 127 ._ciab = { 128 .name = "CIA B", .start = 0x00bfd000, .end = 0x00bfdfff 129 }, 130 ._ciaa = { 131 .name = "CIA A", .start = 0x00bfe000, .end = 0x00bfefff 132 }, 133 ._custom = { 134 .name = "Custom I/O", .start = 0x00dff000, .end = 0x00dfffff 135 }, 136 ._kickstart = { 137 .name = "Kickstart ROM", .start = 0x00f80000, .end = 0x00ffffff 138 } 139 }; 140 141 static struct resource rtc_resource = { 142 .start = 0x00dc0000, .end = 0x00dcffff 143 }; 144 145 static struct resource ram_resource[NUM_MEMINFO]; 146 147 148 /* 149 * Parse an Amiga-specific record in the bootinfo 150 */ 151 152 int amiga_parse_bootinfo(const struct bi_record *record) 153 { 154 int unknown = 0; 155 const unsigned long *data = record->data; 156 157 switch (record->tag) { 158 case BI_AMIGA_MODEL: 159 amiga_model = *data; 160 break; 161 162 case BI_AMIGA_ECLOCK: 163 amiga_eclock = *data; 164 break; 165 166 case BI_AMIGA_CHIPSET: 167 amiga_chipset = *data; 168 break; 169 170 case BI_AMIGA_CHIP_SIZE: 171 amiga_chip_size = *(const int *)data; 172 break; 173 174 case BI_AMIGA_VBLANK: 175 amiga_vblank = *(const unsigned char *)data; 176 break; 177 178 case BI_AMIGA_PSFREQ: 179 amiga_psfreq = *(const unsigned char *)data; 180 break; 181 182 case BI_AMIGA_AUTOCON: 183 #ifdef CONFIG_ZORRO 184 if (zorro_num_autocon < ZORRO_NUM_AUTO) { 185 const struct ConfigDev *cd = (struct ConfigDev *)data; 186 struct zorro_dev *dev = &zorro_autocon[zorro_num_autocon++]; 187 dev->rom = cd->cd_Rom; 188 dev->slotaddr = cd->cd_SlotAddr; 189 dev->slotsize = cd->cd_SlotSize; 190 dev->resource.start = (unsigned long)cd->cd_BoardAddr; 191 dev->resource.end = dev->resource.start + cd->cd_BoardSize - 1; 192 } else 193 printk("amiga_parse_bootinfo: too many AutoConfig devices\n"); 194 #endif /* CONFIG_ZORRO */ 195 break; 196 197 case BI_AMIGA_SERPER: 198 /* serial port period: ignored here */ 199 break; 200 201 default: 202 unknown = 1; 203 } 204 return unknown; 205 } 206 207 /* 208 * Identify builtin hardware 209 */ 210 211 static void __init amiga_identify(void) 212 { 213 /* Fill in some default values, if necessary */ 214 if (amiga_eclock == 0) 215 amiga_eclock = 709379; 216 217 memset(&amiga_hw_present, 0, sizeof(amiga_hw_present)); 218 219 printk("Amiga hardware found: "); 220 if (amiga_model >= AMI_500 && amiga_model <= AMI_DRACO) { 221 printk("[%s] ", amiga_models[amiga_model-AMI_500]); 222 strcat(amiga_model_name, amiga_models[amiga_model-AMI_500]); 223 } 224 225 switch (amiga_model) { 226 case AMI_UNKNOWN: 227 goto Generic; 228 229 case AMI_600: 230 case AMI_1200: 231 AMIGAHW_SET(A1200_IDE); 232 AMIGAHW_SET(PCMCIA); 233 case AMI_500: 234 case AMI_500PLUS: 235 case AMI_1000: 236 case AMI_2000: 237 case AMI_2500: 238 AMIGAHW_SET(A2000_CLK); /* Is this correct for all models? */ 239 goto Generic; 240 241 case AMI_3000: 242 case AMI_3000T: 243 AMIGAHW_SET(AMBER_FF); 244 AMIGAHW_SET(MAGIC_REKICK); 245 /* fall through */ 246 case AMI_3000PLUS: 247 AMIGAHW_SET(A3000_SCSI); 248 AMIGAHW_SET(A3000_CLK); 249 AMIGAHW_SET(ZORRO3); 250 goto Generic; 251 252 case AMI_4000T: 253 AMIGAHW_SET(A4000_SCSI); 254 /* fall through */ 255 case AMI_4000: 256 AMIGAHW_SET(A4000_IDE); 257 AMIGAHW_SET(A3000_CLK); 258 AMIGAHW_SET(ZORRO3); 259 goto Generic; 260 261 case AMI_CDTV: 262 case AMI_CD32: 263 AMIGAHW_SET(CD_ROM); 264 AMIGAHW_SET(A2000_CLK); /* Is this correct? */ 265 goto Generic; 266 267 Generic: 268 AMIGAHW_SET(AMI_VIDEO); 269 AMIGAHW_SET(AMI_BLITTER); 270 AMIGAHW_SET(AMI_AUDIO); 271 AMIGAHW_SET(AMI_FLOPPY); 272 AMIGAHW_SET(AMI_KEYBOARD); 273 AMIGAHW_SET(AMI_MOUSE); 274 AMIGAHW_SET(AMI_SERIAL); 275 AMIGAHW_SET(AMI_PARALLEL); 276 AMIGAHW_SET(CHIP_RAM); 277 AMIGAHW_SET(PAULA); 278 279 switch (amiga_chipset) { 280 case CS_OCS: 281 case CS_ECS: 282 case CS_AGA: 283 switch (amiga_custom.deniseid & 0xf) { 284 case 0x0c: 285 AMIGAHW_SET(DENISE_HR); 286 break; 287 case 0x08: 288 AMIGAHW_SET(LISA); 289 break; 290 } 291 break; 292 default: 293 AMIGAHW_SET(DENISE); 294 break; 295 } 296 switch ((amiga_custom.vposr>>8) & 0x7f) { 297 case 0x00: 298 AMIGAHW_SET(AGNUS_PAL); 299 break; 300 case 0x10: 301 AMIGAHW_SET(AGNUS_NTSC); 302 break; 303 case 0x20: 304 case 0x21: 305 AMIGAHW_SET(AGNUS_HR_PAL); 306 break; 307 case 0x30: 308 case 0x31: 309 AMIGAHW_SET(AGNUS_HR_NTSC); 310 break; 311 case 0x22: 312 case 0x23: 313 AMIGAHW_SET(ALICE_PAL); 314 break; 315 case 0x32: 316 case 0x33: 317 AMIGAHW_SET(ALICE_NTSC); 318 break; 319 } 320 AMIGAHW_SET(ZORRO); 321 break; 322 323 case AMI_DRACO: 324 panic("No support for Draco yet"); 325 326 default: 327 panic("Unknown Amiga Model"); 328 } 329 330 #define AMIGAHW_ANNOUNCE(name, str) \ 331 if (AMIGAHW_PRESENT(name)) \ 332 printk(str) 333 334 AMIGAHW_ANNOUNCE(AMI_VIDEO, "VIDEO "); 335 AMIGAHW_ANNOUNCE(AMI_BLITTER, "BLITTER "); 336 AMIGAHW_ANNOUNCE(AMBER_FF, "AMBER_FF "); 337 AMIGAHW_ANNOUNCE(AMI_AUDIO, "AUDIO "); 338 AMIGAHW_ANNOUNCE(AMI_FLOPPY, "FLOPPY "); 339 AMIGAHW_ANNOUNCE(A3000_SCSI, "A3000_SCSI "); 340 AMIGAHW_ANNOUNCE(A4000_SCSI, "A4000_SCSI "); 341 AMIGAHW_ANNOUNCE(A1200_IDE, "A1200_IDE "); 342 AMIGAHW_ANNOUNCE(A4000_IDE, "A4000_IDE "); 343 AMIGAHW_ANNOUNCE(CD_ROM, "CD_ROM "); 344 AMIGAHW_ANNOUNCE(AMI_KEYBOARD, "KEYBOARD "); 345 AMIGAHW_ANNOUNCE(AMI_MOUSE, "MOUSE "); 346 AMIGAHW_ANNOUNCE(AMI_SERIAL, "SERIAL "); 347 AMIGAHW_ANNOUNCE(AMI_PARALLEL, "PARALLEL "); 348 AMIGAHW_ANNOUNCE(A2000_CLK, "A2000_CLK "); 349 AMIGAHW_ANNOUNCE(A3000_CLK, "A3000_CLK "); 350 AMIGAHW_ANNOUNCE(CHIP_RAM, "CHIP_RAM "); 351 AMIGAHW_ANNOUNCE(PAULA, "PAULA "); 352 AMIGAHW_ANNOUNCE(DENISE, "DENISE "); 353 AMIGAHW_ANNOUNCE(DENISE_HR, "DENISE_HR "); 354 AMIGAHW_ANNOUNCE(LISA, "LISA "); 355 AMIGAHW_ANNOUNCE(AGNUS_PAL, "AGNUS_PAL "); 356 AMIGAHW_ANNOUNCE(AGNUS_NTSC, "AGNUS_NTSC "); 357 AMIGAHW_ANNOUNCE(AGNUS_HR_PAL, "AGNUS_HR_PAL "); 358 AMIGAHW_ANNOUNCE(AGNUS_HR_NTSC, "AGNUS_HR_NTSC "); 359 AMIGAHW_ANNOUNCE(ALICE_PAL, "ALICE_PAL "); 360 AMIGAHW_ANNOUNCE(ALICE_NTSC, "ALICE_NTSC "); 361 AMIGAHW_ANNOUNCE(MAGIC_REKICK, "MAGIC_REKICK "); 362 AMIGAHW_ANNOUNCE(PCMCIA, "PCMCIA "); 363 if (AMIGAHW_PRESENT(ZORRO)) 364 printk("ZORRO%s ", AMIGAHW_PRESENT(ZORRO3) ? "3" : ""); 365 printk("\n"); 366 367 #undef AMIGAHW_ANNOUNCE 368 } 369 370 /* 371 * Setup the Amiga configuration info 372 */ 373 374 void __init config_amiga(void) 375 { 376 int i; 377 378 amiga_identify(); 379 380 /* Yuk, we don't have PCI memory */ 381 iomem_resource.name = "Memory"; 382 for (i = 0; i < 4; i++) 383 request_resource(&iomem_resource, &((struct resource *)&mb_resources)[i]); 384 385 mach_sched_init = amiga_sched_init; 386 mach_init_IRQ = amiga_init_IRQ; 387 mach_get_model = amiga_get_model; 388 mach_get_hardware_list = amiga_get_hardware_list; 389 mach_gettimeoffset = amiga_gettimeoffset; 390 if (AMIGAHW_PRESENT(A3000_CLK)) { 391 mach_hwclk = a3000_hwclk; 392 rtc_resource.name = "A3000 RTC"; 393 request_resource(&iomem_resource, &rtc_resource); 394 } else /* if (AMIGAHW_PRESENT(A2000_CLK)) */ { 395 mach_hwclk = a2000_hwclk; 396 rtc_resource.name = "A2000 RTC"; 397 request_resource(&iomem_resource, &rtc_resource); 398 } 399 400 /* 401 * default MAX_DMA=0xffffffff on all machines. If we don't do so, the SCSI 402 * code will not be able to allocate any mem for transfers, unless we are 403 * dealing with a Z2 mem only system. /Jes 404 */ 405 mach_max_dma_address = 0xffffffff; 406 407 mach_set_clock_mmss = amiga_set_clock_mmss; 408 mach_get_ss = amiga_get_ss; 409 mach_reset = amiga_reset; 410 #if defined(CONFIG_INPUT_M68K_BEEP) || defined(CONFIG_INPUT_M68K_BEEP_MODULE) 411 mach_beep = amiga_mksound; 412 #endif 413 414 #ifdef CONFIG_HEARTBEAT 415 mach_heartbeat = amiga_heartbeat; 416 #endif 417 418 /* Fill in the clock value (based on the 700 kHz E-Clock) */ 419 amiga_colorclock = 5*amiga_eclock; /* 3.5 MHz */ 420 421 /* clear all DMA bits */ 422 amiga_custom.dmacon = DMAF_ALL; 423 /* ensure that the DMA master bit is set */ 424 amiga_custom.dmacon = DMAF_SETCLR | DMAF_MASTER; 425 426 /* don't use Z2 RAM as system memory on Z3 capable machines */ 427 if (AMIGAHW_PRESENT(ZORRO3)) { 428 int i, j; 429 u32 disabled_z2mem = 0; 430 431 for (i = 0; i < m68k_num_memory; i++) { 432 if (m68k_memory[i].addr < 16*1024*1024) { 433 if (i == 0) { 434 /* don't cut off the branch we're sitting on */ 435 printk("Warning: kernel runs in Zorro II memory\n"); 436 continue; 437 } 438 disabled_z2mem += m68k_memory[i].size; 439 m68k_num_memory--; 440 for (j = i; j < m68k_num_memory; j++) 441 m68k_memory[j] = m68k_memory[j+1]; 442 i--; 443 } 444 } 445 if (disabled_z2mem) 446 printk("%dK of Zorro II memory will not be used as system memory\n", 447 disabled_z2mem>>10); 448 } 449 450 /* request all RAM */ 451 for (i = 0; i < m68k_num_memory; i++) { 452 ram_resource[i].name = 453 (m68k_memory[i].addr >= 0x01000000) ? "32-bit Fast RAM" : 454 (m68k_memory[i].addr < 0x00c00000) ? "16-bit Fast RAM" : 455 "16-bit Slow RAM"; 456 ram_resource[i].start = m68k_memory[i].addr; 457 ram_resource[i].end = m68k_memory[i].addr+m68k_memory[i].size-1; 458 request_resource(&iomem_resource, &ram_resource[i]); 459 } 460 461 /* initialize chipram allocator */ 462 amiga_chip_init(); 463 464 /* our beloved beeper */ 465 if (AMIGAHW_PRESENT(AMI_AUDIO)) 466 amiga_init_sound(); 467 468 /* 469 * if it is an A3000, set the magic bit that forces 470 * a hard rekick 471 */ 472 if (AMIGAHW_PRESENT(MAGIC_REKICK)) 473 *(unsigned char *)ZTWO_VADDR(0xde0002) |= 0x80; 474 } 475 476 static unsigned short jiffy_ticks; 477 478 static void __init amiga_sched_init(irq_handler_t timer_routine) 479 { 480 static struct resource sched_res = { 481 .name = "timer", .start = 0x00bfd400, .end = 0x00bfd5ff, 482 }; 483 jiffy_ticks = (amiga_eclock+HZ/2)/HZ; 484 485 if (request_resource(&mb_resources._ciab, &sched_res)) 486 printk("Cannot allocate ciab.ta{lo,hi}\n"); 487 ciab.cra &= 0xC0; /* turn off timer A, continuous mode, from Eclk */ 488 ciab.talo = jiffy_ticks % 256; 489 ciab.tahi = jiffy_ticks / 256; 490 491 /* install interrupt service routine for CIAB Timer A 492 * 493 * Please don't change this to use ciaa, as it interferes with the 494 * SCSI code. We'll have to take a look at this later 495 */ 496 if (request_irq(IRQ_AMIGA_CIAB_TA, timer_routine, 0, "timer", NULL)) 497 pr_err("Couldn't register timer interrupt\n"); 498 /* start timer */ 499 ciab.cra |= 0x11; 500 } 501 502 #define TICK_SIZE 10000 503 504 /* This is always executed with interrupts disabled. */ 505 static unsigned long amiga_gettimeoffset(void) 506 { 507 unsigned short hi, lo, hi2; 508 unsigned long ticks, offset = 0; 509 510 /* read CIA B timer A current value */ 511 hi = ciab.tahi; 512 lo = ciab.talo; 513 hi2 = ciab.tahi; 514 515 if (hi != hi2) { 516 lo = ciab.talo; 517 hi = hi2; 518 } 519 520 ticks = hi << 8 | lo; 521 522 if (ticks > jiffy_ticks / 2) 523 /* check for pending interrupt */ 524 if (cia_set_irq(&ciab_base, 0) & CIA_ICR_TA) 525 offset = 10000; 526 527 ticks = jiffy_ticks - ticks; 528 ticks = (10000 * ticks) / jiffy_ticks; 529 530 return ticks + offset; 531 } 532 533 static int a3000_hwclk(int op, struct rtc_time *t) 534 { 535 tod_3000.cntrl1 = TOD3000_CNTRL1_HOLD; 536 537 if (!op) { /* read */ 538 t->tm_sec = tod_3000.second1 * 10 + tod_3000.second2; 539 t->tm_min = tod_3000.minute1 * 10 + tod_3000.minute2; 540 t->tm_hour = tod_3000.hour1 * 10 + tod_3000.hour2; 541 t->tm_mday = tod_3000.day1 * 10 + tod_3000.day2; 542 t->tm_wday = tod_3000.weekday; 543 t->tm_mon = tod_3000.month1 * 10 + tod_3000.month2 - 1; 544 t->tm_year = tod_3000.year1 * 10 + tod_3000.year2; 545 if (t->tm_year <= 69) 546 t->tm_year += 100; 547 } else { 548 tod_3000.second1 = t->tm_sec / 10; 549 tod_3000.second2 = t->tm_sec % 10; 550 tod_3000.minute1 = t->tm_min / 10; 551 tod_3000.minute2 = t->tm_min % 10; 552 tod_3000.hour1 = t->tm_hour / 10; 553 tod_3000.hour2 = t->tm_hour % 10; 554 tod_3000.day1 = t->tm_mday / 10; 555 tod_3000.day2 = t->tm_mday % 10; 556 if (t->tm_wday != -1) 557 tod_3000.weekday = t->tm_wday; 558 tod_3000.month1 = (t->tm_mon + 1) / 10; 559 tod_3000.month2 = (t->tm_mon + 1) % 10; 560 if (t->tm_year >= 100) 561 t->tm_year -= 100; 562 tod_3000.year1 = t->tm_year / 10; 563 tod_3000.year2 = t->tm_year % 10; 564 } 565 566 tod_3000.cntrl1 = TOD3000_CNTRL1_FREE; 567 568 return 0; 569 } 570 571 static int a2000_hwclk(int op, struct rtc_time *t) 572 { 573 int cnt = 5; 574 575 tod_2000.cntrl1 = TOD2000_CNTRL1_HOLD; 576 577 while ((tod_2000.cntrl1 & TOD2000_CNTRL1_BUSY) && cnt) { 578 tod_2000.cntrl1 &= ~TOD2000_CNTRL1_HOLD; 579 udelay(70); 580 tod_2000.cntrl1 |= TOD2000_CNTRL1_HOLD; 581 --cnt; 582 } 583 584 if (!cnt) 585 printk(KERN_INFO "hwclk: timed out waiting for RTC (0x%x)\n", 586 tod_2000.cntrl1); 587 588 if (!op) { /* read */ 589 t->tm_sec = tod_2000.second1 * 10 + tod_2000.second2; 590 t->tm_min = tod_2000.minute1 * 10 + tod_2000.minute2; 591 t->tm_hour = (tod_2000.hour1 & 3) * 10 + tod_2000.hour2; 592 t->tm_mday = tod_2000.day1 * 10 + tod_2000.day2; 593 t->tm_wday = tod_2000.weekday; 594 t->tm_mon = tod_2000.month1 * 10 + tod_2000.month2 - 1; 595 t->tm_year = tod_2000.year1 * 10 + tod_2000.year2; 596 if (t->tm_year <= 69) 597 t->tm_year += 100; 598 599 if (!(tod_2000.cntrl3 & TOD2000_CNTRL3_24HMODE)) { 600 if (!(tod_2000.hour1 & TOD2000_HOUR1_PM) && t->tm_hour == 12) 601 t->tm_hour = 0; 602 else if ((tod_2000.hour1 & TOD2000_HOUR1_PM) && t->tm_hour != 12) 603 t->tm_hour += 12; 604 } 605 } else { 606 tod_2000.second1 = t->tm_sec / 10; 607 tod_2000.second2 = t->tm_sec % 10; 608 tod_2000.minute1 = t->tm_min / 10; 609 tod_2000.minute2 = t->tm_min % 10; 610 if (tod_2000.cntrl3 & TOD2000_CNTRL3_24HMODE) 611 tod_2000.hour1 = t->tm_hour / 10; 612 else if (t->tm_hour >= 12) 613 tod_2000.hour1 = TOD2000_HOUR1_PM + 614 (t->tm_hour - 12) / 10; 615 else 616 tod_2000.hour1 = t->tm_hour / 10; 617 tod_2000.hour2 = t->tm_hour % 10; 618 tod_2000.day1 = t->tm_mday / 10; 619 tod_2000.day2 = t->tm_mday % 10; 620 if (t->tm_wday != -1) 621 tod_2000.weekday = t->tm_wday; 622 tod_2000.month1 = (t->tm_mon + 1) / 10; 623 tod_2000.month2 = (t->tm_mon + 1) % 10; 624 if (t->tm_year >= 100) 625 t->tm_year -= 100; 626 tod_2000.year1 = t->tm_year / 10; 627 tod_2000.year2 = t->tm_year % 10; 628 } 629 630 tod_2000.cntrl1 &= ~TOD2000_CNTRL1_HOLD; 631 632 return 0; 633 } 634 635 static int amiga_set_clock_mmss(unsigned long nowtime) 636 { 637 short real_seconds = nowtime % 60, real_minutes = (nowtime / 60) % 60; 638 639 if (AMIGAHW_PRESENT(A3000_CLK)) { 640 tod_3000.cntrl1 = TOD3000_CNTRL1_HOLD; 641 642 tod_3000.second1 = real_seconds / 10; 643 tod_3000.second2 = real_seconds % 10; 644 tod_3000.minute1 = real_minutes / 10; 645 tod_3000.minute2 = real_minutes % 10; 646 647 tod_3000.cntrl1 = TOD3000_CNTRL1_FREE; 648 } else /* if (AMIGAHW_PRESENT(A2000_CLK)) */ { 649 int cnt = 5; 650 651 tod_2000.cntrl1 |= TOD2000_CNTRL1_HOLD; 652 653 while ((tod_2000.cntrl1 & TOD2000_CNTRL1_BUSY) && cnt) { 654 tod_2000.cntrl1 &= ~TOD2000_CNTRL1_HOLD; 655 udelay(70); 656 tod_2000.cntrl1 |= TOD2000_CNTRL1_HOLD; 657 --cnt; 658 } 659 660 if (!cnt) 661 printk(KERN_INFO "set_clock_mmss: timed out waiting for RTC (0x%x)\n", tod_2000.cntrl1); 662 663 tod_2000.second1 = real_seconds / 10; 664 tod_2000.second2 = real_seconds % 10; 665 tod_2000.minute1 = real_minutes / 10; 666 tod_2000.minute2 = real_minutes % 10; 667 668 tod_2000.cntrl1 &= ~TOD2000_CNTRL1_HOLD; 669 } 670 671 return 0; 672 } 673 674 static unsigned int amiga_get_ss(void) 675 { 676 unsigned int s; 677 678 if (AMIGAHW_PRESENT(A3000_CLK)) { 679 tod_3000.cntrl1 = TOD3000_CNTRL1_HOLD; 680 s = tod_3000.second1 * 10 + tod_3000.second2; 681 tod_3000.cntrl1 = TOD3000_CNTRL1_FREE; 682 } else /* if (AMIGAHW_PRESENT(A2000_CLK)) */ { 683 s = tod_2000.second1 * 10 + tod_2000.second2; 684 } 685 return s; 686 } 687 688 static NORET_TYPE void amiga_reset(void) 689 ATTRIB_NORET; 690 691 static void amiga_reset(void) 692 { 693 unsigned long jmp_addr040 = virt_to_phys(&&jmp_addr_label040); 694 unsigned long jmp_addr = virt_to_phys(&&jmp_addr_label); 695 696 local_irq_disable(); 697 if (CPU_IS_040_OR_060) 698 /* Setup transparent translation registers for mapping 699 * of 16 MB kernel segment before disabling translation 700 */ 701 asm volatile ("\n" 702 " move.l %0,%%d0\n" 703 " and.l #0xff000000,%%d0\n" 704 " or.w #0xe020,%%d0\n" /* map 16 MB, enable, cacheable */ 705 " .chip 68040\n" 706 " movec %%d0,%%itt0\n" 707 " movec %%d0,%%dtt0\n" 708 " .chip 68k\n" 709 " jmp %0@\n" 710 : /* no outputs */ 711 : "a" (jmp_addr040) 712 : "d0"); 713 else 714 /* for 680[23]0, just disable translation and jump to the physical 715 * address of the label 716 */ 717 asm volatile ("\n" 718 " pmove %%tc,%@\n" 719 " bclr #7,%@\n" 720 " pmove %@,%%tc\n" 721 " jmp %0@\n" 722 : /* no outputs */ 723 : "a" (jmp_addr)); 724 jmp_addr_label040: 725 /* disable translation on '040 now */ 726 asm volatile ("\n" 727 " moveq #0,%%d0\n" 728 " .chip 68040\n" 729 " movec %%d0,%%tc\n" /* disable MMU */ 730 " .chip 68k\n" 731 : /* no outputs */ 732 : /* no inputs */ 733 : "d0"); 734 735 jmp_addr_label: 736 /* pickup reset address from AmigaOS ROM, reset devices and jump 737 * to reset address 738 */ 739 asm volatile ("\n" 740 " move.w #0x2700,%sr\n" 741 " lea 0x01000000,%a0\n" 742 " sub.l %a0@(-0x14),%a0\n" 743 " move.l %a0@(4),%a0\n" 744 " subq.l #2,%a0\n" 745 " jra 1f\n" 746 /* align on a longword boundary */ 747 " " __ALIGN_STR "\n" 748 "1:\n" 749 " reset\n" 750 " jmp %a0@"); 751 752 for (;;) 753 ; 754 } 755 756 757 /* 758 * Debugging 759 */ 760 761 #define SAVEKMSG_MAXMEM 128*1024 762 763 #define SAVEKMSG_MAGIC1 0x53415645 /* 'SAVE' */ 764 #define SAVEKMSG_MAGIC2 0x4B4D5347 /* 'KMSG' */ 765 766 struct savekmsg { 767 unsigned long magic1; /* SAVEKMSG_MAGIC1 */ 768 unsigned long magic2; /* SAVEKMSG_MAGIC2 */ 769 unsigned long magicptr; /* address of magic1 */ 770 unsigned long size; 771 char data[0]; 772 }; 773 774 static struct savekmsg *savekmsg; 775 776 static void amiga_mem_console_write(struct console *co, const char *s, 777 unsigned int count) 778 { 779 if (savekmsg->size + count <= SAVEKMSG_MAXMEM-sizeof(struct savekmsg)) { 780 memcpy(savekmsg->data + savekmsg->size, s, count); 781 savekmsg->size += count; 782 } 783 } 784 785 static int __init amiga_savekmsg_setup(char *arg) 786 { 787 static struct resource debug_res = { .name = "Debug" }; 788 789 if (!MACH_IS_AMIGA || strcmp(arg, "mem")) 790 goto done; 791 792 if (!AMIGAHW_PRESENT(CHIP_RAM)) { 793 printk("Warning: no chipram present for debugging\n"); 794 goto done; 795 } 796 797 savekmsg = amiga_chip_alloc_res(SAVEKMSG_MAXMEM, &debug_res); 798 savekmsg->magic1 = SAVEKMSG_MAGIC1; 799 savekmsg->magic2 = SAVEKMSG_MAGIC2; 800 savekmsg->magicptr = ZTWO_PADDR(savekmsg); 801 savekmsg->size = 0; 802 803 amiga_console_driver.write = amiga_mem_console_write; 804 register_console(&amiga_console_driver); 805 806 done: 807 return 0; 808 } 809 810 early_param("debug", amiga_savekmsg_setup); 811 812 static void amiga_serial_putc(char c) 813 { 814 amiga_custom.serdat = (unsigned char)c | 0x100; 815 while (!(amiga_custom.serdatr & 0x2000)) 816 ; 817 } 818 819 static void amiga_serial_console_write(struct console *co, const char *s, 820 unsigned int count) 821 { 822 while (count--) { 823 if (*s == '\n') 824 amiga_serial_putc('\r'); 825 amiga_serial_putc(*s++); 826 } 827 } 828 829 #if 0 830 void amiga_serial_puts(const char *s) 831 { 832 amiga_serial_console_write(NULL, s, strlen(s)); 833 } 834 835 int amiga_serial_console_wait_key(struct console *co) 836 { 837 int ch; 838 839 while (!(amiga_custom.intreqr & IF_RBF)) 840 barrier(); 841 ch = amiga_custom.serdatr & 0xff; 842 /* clear the interrupt, so that another character can be read */ 843 amiga_custom.intreq = IF_RBF; 844 return ch; 845 } 846 847 void amiga_serial_gets(struct console *co, char *s, int len) 848 { 849 int ch, cnt = 0; 850 851 while (1) { 852 ch = amiga_serial_console_wait_key(co); 853 854 /* Check for backspace. */ 855 if (ch == 8 || ch == 127) { 856 if (cnt == 0) { 857 amiga_serial_putc('\007'); 858 continue; 859 } 860 cnt--; 861 amiga_serial_puts("\010 \010"); 862 continue; 863 } 864 865 /* Check for enter. */ 866 if (ch == 10 || ch == 13) 867 break; 868 869 /* See if line is too long. */ 870 if (cnt >= len + 1) { 871 amiga_serial_putc(7); 872 cnt--; 873 continue; 874 } 875 876 /* Store and echo character. */ 877 s[cnt++] = ch; 878 amiga_serial_putc(ch); 879 } 880 /* Print enter. */ 881 amiga_serial_puts("\r\n"); 882 s[cnt] = 0; 883 } 884 #endif 885 886 static int __init amiga_debug_setup(char *arg) 887 { 888 if (MACH_IS_AMIGA && !strcmp(arg, "ser")) { 889 /* no initialization required (?) */ 890 amiga_console_driver.write = amiga_serial_console_write; 891 register_console(&amiga_console_driver); 892 } 893 return 0; 894 } 895 896 early_param("debug", amiga_debug_setup); 897 898 #ifdef CONFIG_HEARTBEAT 899 static void amiga_heartbeat(int on) 900 { 901 if (on) 902 ciaa.pra &= ~2; 903 else 904 ciaa.pra |= 2; 905 } 906 #endif 907 908 /* 909 * Amiga specific parts of /proc 910 */ 911 912 static void amiga_get_model(char *model) 913 { 914 strcpy(model, amiga_model_name); 915 } 916 917 918 static void amiga_get_hardware_list(struct seq_file *m) 919 { 920 if (AMIGAHW_PRESENT(CHIP_RAM)) 921 seq_printf(m, "Chip RAM:\t%ldK\n", amiga_chip_size>>10); 922 seq_printf(m, "PS Freq:\t%dHz\nEClock Freq:\t%ldHz\n", 923 amiga_psfreq, amiga_eclock); 924 if (AMIGAHW_PRESENT(AMI_VIDEO)) { 925 char *type; 926 switch (amiga_chipset) { 927 case CS_OCS: 928 type = "OCS"; 929 break; 930 case CS_ECS: 931 type = "ECS"; 932 break; 933 case CS_AGA: 934 type = "AGA"; 935 break; 936 default: 937 type = "Old or Unknown"; 938 break; 939 } 940 seq_printf(m, "Graphics:\t%s\n", type); 941 } 942 943 #define AMIGAHW_ANNOUNCE(name, str) \ 944 if (AMIGAHW_PRESENT(name)) \ 945 seq_printf (m, "\t%s\n", str) 946 947 seq_printf (m, "Detected hardware:\n"); 948 949 AMIGAHW_ANNOUNCE(AMI_VIDEO, "Amiga Video"); 950 AMIGAHW_ANNOUNCE(AMI_BLITTER, "Blitter"); 951 AMIGAHW_ANNOUNCE(AMBER_FF, "Amber Flicker Fixer"); 952 AMIGAHW_ANNOUNCE(AMI_AUDIO, "Amiga Audio"); 953 AMIGAHW_ANNOUNCE(AMI_FLOPPY, "Floppy Controller"); 954 AMIGAHW_ANNOUNCE(A3000_SCSI, "SCSI Controller WD33C93 (A3000 style)"); 955 AMIGAHW_ANNOUNCE(A4000_SCSI, "SCSI Controller NCR53C710 (A4000T style)"); 956 AMIGAHW_ANNOUNCE(A1200_IDE, "IDE Interface (A1200 style)"); 957 AMIGAHW_ANNOUNCE(A4000_IDE, "IDE Interface (A4000 style)"); 958 AMIGAHW_ANNOUNCE(CD_ROM, "Internal CD ROM drive"); 959 AMIGAHW_ANNOUNCE(AMI_KEYBOARD, "Keyboard"); 960 AMIGAHW_ANNOUNCE(AMI_MOUSE, "Mouse Port"); 961 AMIGAHW_ANNOUNCE(AMI_SERIAL, "Serial Port"); 962 AMIGAHW_ANNOUNCE(AMI_PARALLEL, "Parallel Port"); 963 AMIGAHW_ANNOUNCE(A2000_CLK, "Hardware Clock (A2000 style)"); 964 AMIGAHW_ANNOUNCE(A3000_CLK, "Hardware Clock (A3000 style)"); 965 AMIGAHW_ANNOUNCE(CHIP_RAM, "Chip RAM"); 966 AMIGAHW_ANNOUNCE(PAULA, "Paula 8364"); 967 AMIGAHW_ANNOUNCE(DENISE, "Denise 8362"); 968 AMIGAHW_ANNOUNCE(DENISE_HR, "Denise 8373"); 969 AMIGAHW_ANNOUNCE(LISA, "Lisa 8375"); 970 AMIGAHW_ANNOUNCE(AGNUS_PAL, "Normal/Fat PAL Agnus 8367/8371"); 971 AMIGAHW_ANNOUNCE(AGNUS_NTSC, "Normal/Fat NTSC Agnus 8361/8370"); 972 AMIGAHW_ANNOUNCE(AGNUS_HR_PAL, "Fat Hires PAL Agnus 8372"); 973 AMIGAHW_ANNOUNCE(AGNUS_HR_NTSC, "Fat Hires NTSC Agnus 8372"); 974 AMIGAHW_ANNOUNCE(ALICE_PAL, "PAL Alice 8374"); 975 AMIGAHW_ANNOUNCE(ALICE_NTSC, "NTSC Alice 8374"); 976 AMIGAHW_ANNOUNCE(MAGIC_REKICK, "Magic Hard Rekick"); 977 AMIGAHW_ANNOUNCE(PCMCIA, "PCMCIA Slot"); 978 #ifdef CONFIG_ZORRO 979 if (AMIGAHW_PRESENT(ZORRO)) 980 seq_printf(m, "\tZorro II%s AutoConfig: %d Expansion " 981 "Device%s\n", 982 AMIGAHW_PRESENT(ZORRO3) ? "I" : "", 983 zorro_num_autocon, zorro_num_autocon == 1 ? "" : "s"); 984 #endif /* CONFIG_ZORRO */ 985 986 #undef AMIGAHW_ANNOUNCE 987 } 988 989 /* 990 * The Amiga keyboard driver needs key_maps, but we cannot export it in 991 * drivers/char/defkeymap.c, as it is autogenerated 992 */ 993 #ifdef CONFIG_HW_CONSOLE 994 EXPORT_SYMBOL_GPL(key_maps); 995 #endif 996