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/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> 26 #include <linux/module.h> 27 28 #include <asm/bootinfo.h> 29 #include <asm/setup.h> 30 #include <asm/system.h> 31 #include <asm/pgtable.h> 32 #include <asm/amigahw.h> 33 #include <asm/amigaints.h> 34 #include <asm/irq.h> 35 #include <asm/rtc.h> 36 #include <asm/machdep.h> 37 #include <asm/io.h> 38 39 static unsigned long amiga_model; 40 41 unsigned long amiga_eclock; 42 EXPORT_SYMBOL(amiga_eclock); 43 44 unsigned long amiga_colorclock; 45 EXPORT_SYMBOL(amiga_colorclock); 46 47 unsigned long amiga_chipset; 48 EXPORT_SYMBOL(amiga_chipset); 49 50 unsigned char amiga_vblank; 51 EXPORT_SYMBOL(amiga_vblank); 52 53 static unsigned char amiga_psfreq; 54 55 struct amiga_hw_present amiga_hw_present; 56 EXPORT_SYMBOL(amiga_hw_present); 57 58 static char s_a500[] __initdata = "A500"; 59 static char s_a500p[] __initdata = "A500+"; 60 static char s_a600[] __initdata = "A600"; 61 static char s_a1000[] __initdata = "A1000"; 62 static char s_a1200[] __initdata = "A1200"; 63 static char s_a2000[] __initdata = "A2000"; 64 static char s_a2500[] __initdata = "A2500"; 65 static char s_a3000[] __initdata = "A3000"; 66 static char s_a3000t[] __initdata = "A3000T"; 67 static char s_a3000p[] __initdata = "A3000+"; 68 static char s_a4000[] __initdata = "A4000"; 69 static char s_a4000t[] __initdata = "A4000T"; 70 static char s_cdtv[] __initdata = "CDTV"; 71 static char s_cd32[] __initdata = "CD32"; 72 static char s_draco[] __initdata = "Draco"; 73 static char *amiga_models[] __initdata = { 74 [AMI_500-AMI_500] = s_a500, 75 [AMI_500PLUS-AMI_500] = s_a500p, 76 [AMI_600-AMI_500] = s_a600, 77 [AMI_1000-AMI_500] = s_a1000, 78 [AMI_1200-AMI_500] = s_a1200, 79 [AMI_2000-AMI_500] = s_a2000, 80 [AMI_2500-AMI_500] = s_a2500, 81 [AMI_3000-AMI_500] = s_a3000, 82 [AMI_3000T-AMI_500] = s_a3000t, 83 [AMI_3000PLUS-AMI_500] = s_a3000p, 84 [AMI_4000-AMI_500] = s_a4000, 85 [AMI_4000T-AMI_500] = s_a4000t, 86 [AMI_CDTV-AMI_500] = s_cdtv, 87 [AMI_CD32-AMI_500] = s_cd32, 88 [AMI_DRACO-AMI_500] = s_draco, 89 }; 90 91 static char amiga_model_name[13] = "Amiga "; 92 93 static void amiga_sched_init(irq_handler_t handler); 94 static void amiga_get_model(char *model); 95 static int amiga_get_hardware_list(char *buffer); 96 /* amiga specific timer functions */ 97 static unsigned long amiga_gettimeoffset(void); 98 static int a3000_hwclk(int, struct rtc_time *); 99 static int a2000_hwclk(int, struct rtc_time *); 100 static int amiga_set_clock_mmss(unsigned long); 101 static unsigned int amiga_get_ss(void); 102 extern void amiga_mksound(unsigned int count, unsigned int ticks); 103 static void amiga_reset(void); 104 extern void amiga_init_sound(void); 105 static void amiga_mem_console_write(struct console *co, const char *b, 106 unsigned int count); 107 #ifdef CONFIG_HEARTBEAT 108 static void amiga_heartbeat(int on); 109 #endif 110 111 static struct console amiga_console_driver = { 112 .name = "debug", 113 .flags = CON_PRINTBUFFER, 114 .index = -1, 115 }; 116 117 118 /* 119 * Motherboard Resources present in all Amiga models 120 */ 121 122 static struct { 123 struct resource _ciab, _ciaa, _custom, _kickstart; 124 } mb_resources = { 125 ._ciab = { 126 .name = "CIA B", .start = 0x00bfd000, .end = 0x00bfdfff 127 }, 128 ._ciaa = { 129 .name = "CIA A", .start = 0x00bfe000, .end = 0x00bfefff 130 }, 131 ._custom = { 132 .name = "Custom I/O", .start = 0x00dff000, .end = 0x00dfffff 133 }, 134 ._kickstart = { 135 .name = "Kickstart ROM", .start = 0x00f80000, .end = 0x00ffffff 136 } 137 }; 138 139 static struct resource rtc_resource = { 140 .start = 0x00dc0000, .end = 0x00dcffff 141 }; 142 143 static struct resource ram_resource[NUM_MEMINFO]; 144 145 146 /* 147 * Parse an Amiga-specific record in the bootinfo 148 */ 149 150 int amiga_parse_bootinfo(const struct bi_record *record) 151 { 152 int unknown = 0; 153 const unsigned long *data = record->data; 154 155 switch (record->tag) { 156 case BI_AMIGA_MODEL: 157 amiga_model = *data; 158 break; 159 160 case BI_AMIGA_ECLOCK: 161 amiga_eclock = *data; 162 break; 163 164 case BI_AMIGA_CHIPSET: 165 amiga_chipset = *data; 166 break; 167 168 case BI_AMIGA_CHIP_SIZE: 169 amiga_chip_size = *(const int *)data; 170 break; 171 172 case BI_AMIGA_VBLANK: 173 amiga_vblank = *(const unsigned char *)data; 174 break; 175 176 case BI_AMIGA_PSFREQ: 177 amiga_psfreq = *(const unsigned char *)data; 178 break; 179 180 case BI_AMIGA_AUTOCON: 181 #ifdef CONFIG_ZORRO 182 if (zorro_num_autocon < ZORRO_NUM_AUTO) { 183 const struct ConfigDev *cd = (struct ConfigDev *)data; 184 struct zorro_dev *dev = &zorro_autocon[zorro_num_autocon++]; 185 dev->rom = cd->cd_Rom; 186 dev->slotaddr = cd->cd_SlotAddr; 187 dev->slotsize = cd->cd_SlotSize; 188 dev->resource.start = (unsigned long)cd->cd_BoardAddr; 189 dev->resource.end = dev->resource.start + cd->cd_BoardSize - 1; 190 } else 191 printk("amiga_parse_bootinfo: too many AutoConfig devices\n"); 192 #endif /* CONFIG_ZORRO */ 193 break; 194 195 case BI_AMIGA_SERPER: 196 /* serial port period: ignored here */ 197 break; 198 199 default: 200 unknown = 1; 201 } 202 return unknown; 203 } 204 205 /* 206 * Identify builtin hardware 207 */ 208 209 static void __init amiga_identify(void) 210 { 211 /* Fill in some default values, if necessary */ 212 if (amiga_eclock == 0) 213 amiga_eclock = 709379; 214 215 memset(&amiga_hw_present, 0, sizeof(amiga_hw_present)); 216 217 printk("Amiga hardware found: "); 218 if (amiga_model >= AMI_500 && amiga_model <= AMI_DRACO) { 219 printk("[%s] ", amiga_models[amiga_model-AMI_500]); 220 strcat(amiga_model_name, amiga_models[amiga_model-AMI_500]); 221 } 222 223 switch (amiga_model) { 224 case AMI_UNKNOWN: 225 goto Generic; 226 227 case AMI_600: 228 case AMI_1200: 229 AMIGAHW_SET(A1200_IDE); 230 AMIGAHW_SET(PCMCIA); 231 case AMI_500: 232 case AMI_500PLUS: 233 case AMI_1000: 234 case AMI_2000: 235 case AMI_2500: 236 AMIGAHW_SET(A2000_CLK); /* Is this correct for all models? */ 237 goto Generic; 238 239 case AMI_3000: 240 case AMI_3000T: 241 AMIGAHW_SET(AMBER_FF); 242 AMIGAHW_SET(MAGIC_REKICK); 243 /* fall through */ 244 case AMI_3000PLUS: 245 AMIGAHW_SET(A3000_SCSI); 246 AMIGAHW_SET(A3000_CLK); 247 AMIGAHW_SET(ZORRO3); 248 goto Generic; 249 250 case AMI_4000T: 251 AMIGAHW_SET(A4000_SCSI); 252 /* fall through */ 253 case AMI_4000: 254 AMIGAHW_SET(A4000_IDE); 255 AMIGAHW_SET(A3000_CLK); 256 AMIGAHW_SET(ZORRO3); 257 goto Generic; 258 259 case AMI_CDTV: 260 case AMI_CD32: 261 AMIGAHW_SET(CD_ROM); 262 AMIGAHW_SET(A2000_CLK); /* Is this correct? */ 263 goto Generic; 264 265 Generic: 266 AMIGAHW_SET(AMI_VIDEO); 267 AMIGAHW_SET(AMI_BLITTER); 268 AMIGAHW_SET(AMI_AUDIO); 269 AMIGAHW_SET(AMI_FLOPPY); 270 AMIGAHW_SET(AMI_KEYBOARD); 271 AMIGAHW_SET(AMI_MOUSE); 272 AMIGAHW_SET(AMI_SERIAL); 273 AMIGAHW_SET(AMI_PARALLEL); 274 AMIGAHW_SET(CHIP_RAM); 275 AMIGAHW_SET(PAULA); 276 277 switch (amiga_chipset) { 278 case CS_OCS: 279 case CS_ECS: 280 case CS_AGA: 281 switch (amiga_custom.deniseid & 0xf) { 282 case 0x0c: 283 AMIGAHW_SET(DENISE_HR); 284 break; 285 case 0x08: 286 AMIGAHW_SET(LISA); 287 break; 288 } 289 break; 290 default: 291 AMIGAHW_SET(DENISE); 292 break; 293 } 294 switch ((amiga_custom.vposr>>8) & 0x7f) { 295 case 0x00: 296 AMIGAHW_SET(AGNUS_PAL); 297 break; 298 case 0x10: 299 AMIGAHW_SET(AGNUS_NTSC); 300 break; 301 case 0x20: 302 case 0x21: 303 AMIGAHW_SET(AGNUS_HR_PAL); 304 break; 305 case 0x30: 306 case 0x31: 307 AMIGAHW_SET(AGNUS_HR_NTSC); 308 break; 309 case 0x22: 310 case 0x23: 311 AMIGAHW_SET(ALICE_PAL); 312 break; 313 case 0x32: 314 case 0x33: 315 AMIGAHW_SET(ALICE_NTSC); 316 break; 317 } 318 AMIGAHW_SET(ZORRO); 319 break; 320 321 case AMI_DRACO: 322 panic("No support for Draco yet"); 323 324 default: 325 panic("Unknown Amiga Model"); 326 } 327 328 #define AMIGAHW_ANNOUNCE(name, str) \ 329 if (AMIGAHW_PRESENT(name)) \ 330 printk(str) 331 332 AMIGAHW_ANNOUNCE(AMI_VIDEO, "VIDEO "); 333 AMIGAHW_ANNOUNCE(AMI_BLITTER, "BLITTER "); 334 AMIGAHW_ANNOUNCE(AMBER_FF, "AMBER_FF "); 335 AMIGAHW_ANNOUNCE(AMI_AUDIO, "AUDIO "); 336 AMIGAHW_ANNOUNCE(AMI_FLOPPY, "FLOPPY "); 337 AMIGAHW_ANNOUNCE(A3000_SCSI, "A3000_SCSI "); 338 AMIGAHW_ANNOUNCE(A4000_SCSI, "A4000_SCSI "); 339 AMIGAHW_ANNOUNCE(A1200_IDE, "A1200_IDE "); 340 AMIGAHW_ANNOUNCE(A4000_IDE, "A4000_IDE "); 341 AMIGAHW_ANNOUNCE(CD_ROM, "CD_ROM "); 342 AMIGAHW_ANNOUNCE(AMI_KEYBOARD, "KEYBOARD "); 343 AMIGAHW_ANNOUNCE(AMI_MOUSE, "MOUSE "); 344 AMIGAHW_ANNOUNCE(AMI_SERIAL, "SERIAL "); 345 AMIGAHW_ANNOUNCE(AMI_PARALLEL, "PARALLEL "); 346 AMIGAHW_ANNOUNCE(A2000_CLK, "A2000_CLK "); 347 AMIGAHW_ANNOUNCE(A3000_CLK, "A3000_CLK "); 348 AMIGAHW_ANNOUNCE(CHIP_RAM, "CHIP_RAM "); 349 AMIGAHW_ANNOUNCE(PAULA, "PAULA "); 350 AMIGAHW_ANNOUNCE(DENISE, "DENISE "); 351 AMIGAHW_ANNOUNCE(DENISE_HR, "DENISE_HR "); 352 AMIGAHW_ANNOUNCE(LISA, "LISA "); 353 AMIGAHW_ANNOUNCE(AGNUS_PAL, "AGNUS_PAL "); 354 AMIGAHW_ANNOUNCE(AGNUS_NTSC, "AGNUS_NTSC "); 355 AMIGAHW_ANNOUNCE(AGNUS_HR_PAL, "AGNUS_HR_PAL "); 356 AMIGAHW_ANNOUNCE(AGNUS_HR_NTSC, "AGNUS_HR_NTSC "); 357 AMIGAHW_ANNOUNCE(ALICE_PAL, "ALICE_PAL "); 358 AMIGAHW_ANNOUNCE(ALICE_NTSC, "ALICE_NTSC "); 359 AMIGAHW_ANNOUNCE(MAGIC_REKICK, "MAGIC_REKICK "); 360 AMIGAHW_ANNOUNCE(PCMCIA, "PCMCIA "); 361 if (AMIGAHW_PRESENT(ZORRO)) 362 printk("ZORRO%s ", AMIGAHW_PRESENT(ZORRO3) ? "3" : ""); 363 printk("\n"); 364 365 #undef AMIGAHW_ANNOUNCE 366 } 367 368 /* 369 * Setup the Amiga configuration info 370 */ 371 372 void __init config_amiga(void) 373 { 374 int i; 375 376 amiga_identify(); 377 378 /* Yuk, we don't have PCI memory */ 379 iomem_resource.name = "Memory"; 380 for (i = 0; i < 4; i++) 381 request_resource(&iomem_resource, &((struct resource *)&mb_resources)[i]); 382 383 mach_sched_init = amiga_sched_init; 384 mach_init_IRQ = amiga_init_IRQ; 385 mach_get_model = amiga_get_model; 386 mach_get_hardware_list = amiga_get_hardware_list; 387 mach_gettimeoffset = amiga_gettimeoffset; 388 if (AMIGAHW_PRESENT(A3000_CLK)) { 389 mach_hwclk = a3000_hwclk; 390 rtc_resource.name = "A3000 RTC"; 391 request_resource(&iomem_resource, &rtc_resource); 392 } else /* if (AMIGAHW_PRESENT(A2000_CLK)) */ { 393 mach_hwclk = a2000_hwclk; 394 rtc_resource.name = "A2000 RTC"; 395 request_resource(&iomem_resource, &rtc_resource); 396 } 397 398 /* 399 * default MAX_DMA=0xffffffff on all machines. If we don't do so, the SCSI 400 * code will not be able to allocate any mem for transfers, unless we are 401 * dealing with a Z2 mem only system. /Jes 402 */ 403 mach_max_dma_address = 0xffffffff; 404 405 mach_set_clock_mmss = amiga_set_clock_mmss; 406 mach_get_ss = amiga_get_ss; 407 mach_reset = amiga_reset; 408 #if defined(CONFIG_INPUT_M68K_BEEP) || defined(CONFIG_INPUT_M68K_BEEP_MODULE) 409 mach_beep = amiga_mksound; 410 #endif 411 412 #ifdef CONFIG_HEARTBEAT 413 mach_heartbeat = amiga_heartbeat; 414 #endif 415 416 /* Fill in the clock value (based on the 700 kHz E-Clock) */ 417 amiga_colorclock = 5*amiga_eclock; /* 3.5 MHz */ 418 419 /* clear all DMA bits */ 420 amiga_custom.dmacon = DMAF_ALL; 421 /* ensure that the DMA master bit is set */ 422 amiga_custom.dmacon = DMAF_SETCLR | DMAF_MASTER; 423 424 /* don't use Z2 RAM as system memory on Z3 capable machines */ 425 if (AMIGAHW_PRESENT(ZORRO3)) { 426 int i, j; 427 u32 disabled_z2mem = 0; 428 429 for (i = 0; i < m68k_num_memory; i++) { 430 if (m68k_memory[i].addr < 16*1024*1024) { 431 if (i == 0) { 432 /* don't cut off the branch we're sitting on */ 433 printk("Warning: kernel runs in Zorro II memory\n"); 434 continue; 435 } 436 disabled_z2mem += m68k_memory[i].size; 437 m68k_num_memory--; 438 for (j = i; j < m68k_num_memory; j++) 439 m68k_memory[j] = m68k_memory[j+1]; 440 i--; 441 } 442 } 443 if (disabled_z2mem) 444 printk("%dK of Zorro II memory will not be used as system memory\n", 445 disabled_z2mem>>10); 446 } 447 448 /* request all RAM */ 449 for (i = 0; i < m68k_num_memory; i++) { 450 ram_resource[i].name = 451 (m68k_memory[i].addr >= 0x01000000) ? "32-bit Fast RAM" : 452 (m68k_memory[i].addr < 0x00c00000) ? "16-bit Fast RAM" : 453 "16-bit Slow RAM"; 454 ram_resource[i].start = m68k_memory[i].addr; 455 ram_resource[i].end = m68k_memory[i].addr+m68k_memory[i].size-1; 456 request_resource(&iomem_resource, &ram_resource[i]); 457 } 458 459 /* initialize chipram allocator */ 460 amiga_chip_init(); 461 462 /* our beloved beeper */ 463 if (AMIGAHW_PRESENT(AMI_AUDIO)) 464 amiga_init_sound(); 465 466 /* 467 * if it is an A3000, set the magic bit that forces 468 * a hard rekick 469 */ 470 if (AMIGAHW_PRESENT(MAGIC_REKICK)) 471 *(unsigned char *)ZTWO_VADDR(0xde0002) |= 0x80; 472 } 473 474 static unsigned short jiffy_ticks; 475 476 static void __init amiga_sched_init(irq_handler_t timer_routine) 477 { 478 static struct resource sched_res = { 479 .name = "timer", .start = 0x00bfd400, .end = 0x00bfd5ff, 480 }; 481 jiffy_ticks = (amiga_eclock+HZ/2)/HZ; 482 483 if (request_resource(&mb_resources._ciab, &sched_res)) 484 printk("Cannot allocate ciab.ta{lo,hi}\n"); 485 ciab.cra &= 0xC0; /* turn off timer A, continuous mode, from Eclk */ 486 ciab.talo = jiffy_ticks % 256; 487 ciab.tahi = jiffy_ticks / 256; 488 489 /* install interrupt service routine for CIAB Timer A 490 * 491 * Please don't change this to use ciaa, as it interferes with the 492 * SCSI code. We'll have to take a look at this later 493 */ 494 request_irq(IRQ_AMIGA_CIAB_TA, timer_routine, 0, "timer", NULL); 495 /* start timer */ 496 ciab.cra |= 0x11; 497 } 498 499 #define TICK_SIZE 10000 500 501 /* This is always executed with interrupts disabled. */ 502 static unsigned long amiga_gettimeoffset(void) 503 { 504 unsigned short hi, lo, hi2; 505 unsigned long ticks, offset = 0; 506 507 /* read CIA B timer A current value */ 508 hi = ciab.tahi; 509 lo = ciab.talo; 510 hi2 = ciab.tahi; 511 512 if (hi != hi2) { 513 lo = ciab.talo; 514 hi = hi2; 515 } 516 517 ticks = hi << 8 | lo; 518 519 if (ticks > jiffy_ticks / 2) 520 /* check for pending interrupt */ 521 if (cia_set_irq(&ciab_base, 0) & CIA_ICR_TA) 522 offset = 10000; 523 524 ticks = jiffy_ticks - ticks; 525 ticks = (10000 * ticks) / jiffy_ticks; 526 527 return ticks + offset; 528 } 529 530 static int a3000_hwclk(int op, struct rtc_time *t) 531 { 532 tod_3000.cntrl1 = TOD3000_CNTRL1_HOLD; 533 534 if (!op) { /* read */ 535 t->tm_sec = tod_3000.second1 * 10 + tod_3000.second2; 536 t->tm_min = tod_3000.minute1 * 10 + tod_3000.minute2; 537 t->tm_hour = tod_3000.hour1 * 10 + tod_3000.hour2; 538 t->tm_mday = tod_3000.day1 * 10 + tod_3000.day2; 539 t->tm_wday = tod_3000.weekday; 540 t->tm_mon = tod_3000.month1 * 10 + tod_3000.month2 - 1; 541 t->tm_year = tod_3000.year1 * 10 + tod_3000.year2; 542 if (t->tm_year <= 69) 543 t->tm_year += 100; 544 } else { 545 tod_3000.second1 = t->tm_sec / 10; 546 tod_3000.second2 = t->tm_sec % 10; 547 tod_3000.minute1 = t->tm_min / 10; 548 tod_3000.minute2 = t->tm_min % 10; 549 tod_3000.hour1 = t->tm_hour / 10; 550 tod_3000.hour2 = t->tm_hour % 10; 551 tod_3000.day1 = t->tm_mday / 10; 552 tod_3000.day2 = t->tm_mday % 10; 553 if (t->tm_wday != -1) 554 tod_3000.weekday = t->tm_wday; 555 tod_3000.month1 = (t->tm_mon + 1) / 10; 556 tod_3000.month2 = (t->tm_mon + 1) % 10; 557 if (t->tm_year >= 100) 558 t->tm_year -= 100; 559 tod_3000.year1 = t->tm_year / 10; 560 tod_3000.year2 = t->tm_year % 10; 561 } 562 563 tod_3000.cntrl1 = TOD3000_CNTRL1_FREE; 564 565 return 0; 566 } 567 568 static int a2000_hwclk(int op, struct rtc_time *t) 569 { 570 int cnt = 5; 571 572 tod_2000.cntrl1 = TOD2000_CNTRL1_HOLD; 573 574 while ((tod_2000.cntrl1 & TOD2000_CNTRL1_BUSY) && cnt--) { 575 tod_2000.cntrl1 &= ~TOD2000_CNTRL1_HOLD; 576 udelay(70); 577 tod_2000.cntrl1 |= TOD2000_CNTRL1_HOLD; 578 } 579 580 if (!cnt) 581 printk(KERN_INFO "hwclk: timed out waiting for RTC (0x%x)\n", 582 tod_2000.cntrl1); 583 584 if (!op) { /* read */ 585 t->tm_sec = tod_2000.second1 * 10 + tod_2000.second2; 586 t->tm_min = tod_2000.minute1 * 10 + tod_2000.minute2; 587 t->tm_hour = (tod_2000.hour1 & 3) * 10 + tod_2000.hour2; 588 t->tm_mday = tod_2000.day1 * 10 + tod_2000.day2; 589 t->tm_wday = tod_2000.weekday; 590 t->tm_mon = tod_2000.month1 * 10 + tod_2000.month2 - 1; 591 t->tm_year = tod_2000.year1 * 10 + tod_2000.year2; 592 if (t->tm_year <= 69) 593 t->tm_year += 100; 594 595 if (!(tod_2000.cntrl3 & TOD2000_CNTRL3_24HMODE)) { 596 if (!(tod_2000.hour1 & TOD2000_HOUR1_PM) && t->tm_hour == 12) 597 t->tm_hour = 0; 598 else if ((tod_2000.hour1 & TOD2000_HOUR1_PM) && t->tm_hour != 12) 599 t->tm_hour += 12; 600 } 601 } else { 602 tod_2000.second1 = t->tm_sec / 10; 603 tod_2000.second2 = t->tm_sec % 10; 604 tod_2000.minute1 = t->tm_min / 10; 605 tod_2000.minute2 = t->tm_min % 10; 606 if (tod_2000.cntrl3 & TOD2000_CNTRL3_24HMODE) 607 tod_2000.hour1 = t->tm_hour / 10; 608 else if (t->tm_hour >= 12) 609 tod_2000.hour1 = TOD2000_HOUR1_PM + 610 (t->tm_hour - 12) / 10; 611 else 612 tod_2000.hour1 = t->tm_hour / 10; 613 tod_2000.hour2 = t->tm_hour % 10; 614 tod_2000.day1 = t->tm_mday / 10; 615 tod_2000.day2 = t->tm_mday % 10; 616 if (t->tm_wday != -1) 617 tod_2000.weekday = t->tm_wday; 618 tod_2000.month1 = (t->tm_mon + 1) / 10; 619 tod_2000.month2 = (t->tm_mon + 1) % 10; 620 if (t->tm_year >= 100) 621 t->tm_year -= 100; 622 tod_2000.year1 = t->tm_year / 10; 623 tod_2000.year2 = t->tm_year % 10; 624 } 625 626 tod_2000.cntrl1 &= ~TOD2000_CNTRL1_HOLD; 627 628 return 0; 629 } 630 631 static int amiga_set_clock_mmss(unsigned long nowtime) 632 { 633 short real_seconds = nowtime % 60, real_minutes = (nowtime / 60) % 60; 634 635 if (AMIGAHW_PRESENT(A3000_CLK)) { 636 tod_3000.cntrl1 = TOD3000_CNTRL1_HOLD; 637 638 tod_3000.second1 = real_seconds / 10; 639 tod_3000.second2 = real_seconds % 10; 640 tod_3000.minute1 = real_minutes / 10; 641 tod_3000.minute2 = real_minutes % 10; 642 643 tod_3000.cntrl1 = TOD3000_CNTRL1_FREE; 644 } else /* if (AMIGAHW_PRESENT(A2000_CLK)) */ { 645 int cnt = 5; 646 647 tod_2000.cntrl1 |= TOD2000_CNTRL1_HOLD; 648 649 while ((tod_2000.cntrl1 & TOD2000_CNTRL1_BUSY) && cnt--) { 650 tod_2000.cntrl1 &= ~TOD2000_CNTRL1_HOLD; 651 udelay(70); 652 tod_2000.cntrl1 |= TOD2000_CNTRL1_HOLD; 653 } 654 655 if (!cnt) 656 printk(KERN_INFO "set_clock_mmss: timed out waiting for RTC (0x%x)\n", tod_2000.cntrl1); 657 658 tod_2000.second1 = real_seconds / 10; 659 tod_2000.second2 = real_seconds % 10; 660 tod_2000.minute1 = real_minutes / 10; 661 tod_2000.minute2 = real_minutes % 10; 662 663 tod_2000.cntrl1 &= ~TOD2000_CNTRL1_HOLD; 664 } 665 666 return 0; 667 } 668 669 static unsigned int amiga_get_ss(void) 670 { 671 unsigned int s; 672 673 if (AMIGAHW_PRESENT(A3000_CLK)) { 674 tod_3000.cntrl1 = TOD3000_CNTRL1_HOLD; 675 s = tod_3000.second1 * 10 + tod_3000.second2; 676 tod_3000.cntrl1 = TOD3000_CNTRL1_FREE; 677 } else /* if (AMIGAHW_PRESENT(A2000_CLK)) */ { 678 s = tod_2000.second1 * 10 + tod_2000.second2; 679 } 680 return s; 681 } 682 683 static NORET_TYPE void amiga_reset(void) 684 ATTRIB_NORET; 685 686 static void amiga_reset(void) 687 { 688 unsigned long jmp_addr040 = virt_to_phys(&&jmp_addr_label040); 689 unsigned long jmp_addr = virt_to_phys(&&jmp_addr_label); 690 691 local_irq_disable(); 692 if (CPU_IS_040_OR_060) 693 /* Setup transparent translation registers for mapping 694 * of 16 MB kernel segment before disabling translation 695 */ 696 asm volatile ("\n" 697 " move.l %0,%%d0\n" 698 " and.l #0xff000000,%%d0\n" 699 " or.w #0xe020,%%d0\n" /* map 16 MB, enable, cacheable */ 700 " .chip 68040\n" 701 " movec %%d0,%%itt0\n" 702 " movec %%d0,%%dtt0\n" 703 " .chip 68k\n" 704 " jmp %0@\n" 705 : /* no outputs */ 706 : "a" (jmp_addr040) 707 : "d0"); 708 else 709 /* for 680[23]0, just disable translation and jump to the physical 710 * address of the label 711 */ 712 asm volatile ("\n" 713 " pmove %%tc,%@\n" 714 " bclr #7,%@\n" 715 " pmove %@,%%tc\n" 716 " jmp %0@\n" 717 : /* no outputs */ 718 : "a" (jmp_addr)); 719 jmp_addr_label040: 720 /* disable translation on '040 now */ 721 asm volatile ("\n" 722 " moveq #0,%%d0\n" 723 " .chip 68040\n" 724 " movec %%d0,%%tc\n" /* disable MMU */ 725 " .chip 68k\n" 726 : /* no outputs */ 727 : /* no inputs */ 728 : "d0"); 729 730 jmp_addr_label: 731 /* pickup reset address from AmigaOS ROM, reset devices and jump 732 * to reset address 733 */ 734 asm volatile ("\n" 735 " move.w #0x2700,%sr\n" 736 " lea 0x01000000,%a0\n" 737 " sub.l %a0@(-0x14),%a0\n" 738 " move.l %a0@(4),%a0\n" 739 " subq.l #2,%a0\n" 740 " jra 1f\n" 741 /* align on a longword boundary */ 742 " " __ALIGN_STR "\n" 743 "1:\n" 744 " reset\n" 745 " jmp %a0@"); 746 747 for (;;) 748 ; 749 } 750 751 752 /* 753 * Debugging 754 */ 755 756 #define SAVEKMSG_MAXMEM 128*1024 757 758 #define SAVEKMSG_MAGIC1 0x53415645 /* 'SAVE' */ 759 #define SAVEKMSG_MAGIC2 0x4B4D5347 /* 'KMSG' */ 760 761 struct savekmsg { 762 unsigned long magic1; /* SAVEKMSG_MAGIC1 */ 763 unsigned long magic2; /* SAVEKMSG_MAGIC2 */ 764 unsigned long magicptr; /* address of magic1 */ 765 unsigned long size; 766 char data[0]; 767 }; 768 769 static struct savekmsg *savekmsg; 770 771 static void amiga_mem_console_write(struct console *co, const char *s, 772 unsigned int count) 773 { 774 if (savekmsg->size + count <= SAVEKMSG_MAXMEM-sizeof(struct savekmsg)) { 775 memcpy(savekmsg->data + savekmsg->size, s, count); 776 savekmsg->size += count; 777 } 778 } 779 780 static int __init amiga_savekmsg_setup(char *arg) 781 { 782 static struct resource debug_res = { .name = "Debug" }; 783 784 if (!MACH_IS_AMIGA || strcmp(arg, "mem")) 785 goto done; 786 787 if (!AMIGAHW_PRESENT(CHIP_RAM)) { 788 printk("Warning: no chipram present for debugging\n"); 789 goto done; 790 } 791 792 savekmsg = amiga_chip_alloc_res(SAVEKMSG_MAXMEM, &debug_res); 793 savekmsg->magic1 = SAVEKMSG_MAGIC1; 794 savekmsg->magic2 = SAVEKMSG_MAGIC2; 795 savekmsg->magicptr = ZTWO_PADDR(savekmsg); 796 savekmsg->size = 0; 797 798 amiga_console_driver.write = amiga_mem_console_write; 799 register_console(&amiga_console_driver); 800 801 done: 802 return 0; 803 } 804 805 early_param("debug", amiga_savekmsg_setup); 806 807 static void amiga_serial_putc(char c) 808 { 809 amiga_custom.serdat = (unsigned char)c | 0x100; 810 while (!(amiga_custom.serdatr & 0x2000)) 811 ; 812 } 813 814 static void amiga_serial_console_write(struct console *co, const char *s, 815 unsigned int count) 816 { 817 while (count--) { 818 if (*s == '\n') 819 amiga_serial_putc('\r'); 820 amiga_serial_putc(*s++); 821 } 822 } 823 824 #if 0 825 void amiga_serial_puts(const char *s) 826 { 827 amiga_serial_console_write(NULL, s, strlen(s)); 828 } 829 830 int amiga_serial_console_wait_key(struct console *co) 831 { 832 int ch; 833 834 while (!(amiga_custom.intreqr & IF_RBF)) 835 barrier(); 836 ch = amiga_custom.serdatr & 0xff; 837 /* clear the interrupt, so that another character can be read */ 838 amiga_custom.intreq = IF_RBF; 839 return ch; 840 } 841 842 void amiga_serial_gets(struct console *co, char *s, int len) 843 { 844 int ch, cnt = 0; 845 846 while (1) { 847 ch = amiga_serial_console_wait_key(co); 848 849 /* Check for backspace. */ 850 if (ch == 8 || ch == 127) { 851 if (cnt == 0) { 852 amiga_serial_putc('\007'); 853 continue; 854 } 855 cnt--; 856 amiga_serial_puts("\010 \010"); 857 continue; 858 } 859 860 /* Check for enter. */ 861 if (ch == 10 || ch == 13) 862 break; 863 864 /* See if line is too long. */ 865 if (cnt >= len + 1) { 866 amiga_serial_putc(7); 867 cnt--; 868 continue; 869 } 870 871 /* Store and echo character. */ 872 s[cnt++] = ch; 873 amiga_serial_putc(ch); 874 } 875 /* Print enter. */ 876 amiga_serial_puts("\r\n"); 877 s[cnt] = 0; 878 } 879 #endif 880 881 static int __init amiga_debug_setup(char *arg) 882 { 883 if (MACH_IS_AMIGA && !strcmp(arg, "ser")) { 884 /* no initialization required (?) */ 885 amiga_console_driver.write = amiga_serial_console_write; 886 register_console(&amiga_console_driver); 887 } 888 return 0; 889 } 890 891 early_param("debug", amiga_debug_setup); 892 893 #ifdef CONFIG_HEARTBEAT 894 static void amiga_heartbeat(int on) 895 { 896 if (on) 897 ciaa.pra &= ~2; 898 else 899 ciaa.pra |= 2; 900 } 901 #endif 902 903 /* 904 * Amiga specific parts of /proc 905 */ 906 907 static void amiga_get_model(char *model) 908 { 909 strcpy(model, amiga_model_name); 910 } 911 912 913 static int amiga_get_hardware_list(char *buffer) 914 { 915 int len = 0; 916 917 if (AMIGAHW_PRESENT(CHIP_RAM)) 918 len += sprintf(buffer+len, "Chip RAM:\t%ldK\n", amiga_chip_size>>10); 919 len += sprintf(buffer+len, "PS Freq:\t%dHz\nEClock Freq:\t%ldHz\n", 920 amiga_psfreq, amiga_eclock); 921 if (AMIGAHW_PRESENT(AMI_VIDEO)) { 922 char *type; 923 switch (amiga_chipset) { 924 case CS_OCS: 925 type = "OCS"; 926 break; 927 case CS_ECS: 928 type = "ECS"; 929 break; 930 case CS_AGA: 931 type = "AGA"; 932 break; 933 default: 934 type = "Old or Unknown"; 935 break; 936 } 937 len += sprintf(buffer+len, "Graphics:\t%s\n", type); 938 } 939 940 #define AMIGAHW_ANNOUNCE(name, str) \ 941 if (AMIGAHW_PRESENT(name)) \ 942 len += sprintf (buffer+len, "\t%s\n", str) 943 944 len += sprintf (buffer + len, "Detected hardware:\n"); 945 946 AMIGAHW_ANNOUNCE(AMI_VIDEO, "Amiga Video"); 947 AMIGAHW_ANNOUNCE(AMI_BLITTER, "Blitter"); 948 AMIGAHW_ANNOUNCE(AMBER_FF, "Amber Flicker Fixer"); 949 AMIGAHW_ANNOUNCE(AMI_AUDIO, "Amiga Audio"); 950 AMIGAHW_ANNOUNCE(AMI_FLOPPY, "Floppy Controller"); 951 AMIGAHW_ANNOUNCE(A3000_SCSI, "SCSI Controller WD33C93 (A3000 style)"); 952 AMIGAHW_ANNOUNCE(A4000_SCSI, "SCSI Controller NCR53C710 (A4000T style)"); 953 AMIGAHW_ANNOUNCE(A1200_IDE, "IDE Interface (A1200 style)"); 954 AMIGAHW_ANNOUNCE(A4000_IDE, "IDE Interface (A4000 style)"); 955 AMIGAHW_ANNOUNCE(CD_ROM, "Internal CD ROM drive"); 956 AMIGAHW_ANNOUNCE(AMI_KEYBOARD, "Keyboard"); 957 AMIGAHW_ANNOUNCE(AMI_MOUSE, "Mouse Port"); 958 AMIGAHW_ANNOUNCE(AMI_SERIAL, "Serial Port"); 959 AMIGAHW_ANNOUNCE(AMI_PARALLEL, "Parallel Port"); 960 AMIGAHW_ANNOUNCE(A2000_CLK, "Hardware Clock (A2000 style)"); 961 AMIGAHW_ANNOUNCE(A3000_CLK, "Hardware Clock (A3000 style)"); 962 AMIGAHW_ANNOUNCE(CHIP_RAM, "Chip RAM"); 963 AMIGAHW_ANNOUNCE(PAULA, "Paula 8364"); 964 AMIGAHW_ANNOUNCE(DENISE, "Denise 8362"); 965 AMIGAHW_ANNOUNCE(DENISE_HR, "Denise 8373"); 966 AMIGAHW_ANNOUNCE(LISA, "Lisa 8375"); 967 AMIGAHW_ANNOUNCE(AGNUS_PAL, "Normal/Fat PAL Agnus 8367/8371"); 968 AMIGAHW_ANNOUNCE(AGNUS_NTSC, "Normal/Fat NTSC Agnus 8361/8370"); 969 AMIGAHW_ANNOUNCE(AGNUS_HR_PAL, "Fat Hires PAL Agnus 8372"); 970 AMIGAHW_ANNOUNCE(AGNUS_HR_NTSC, "Fat Hires NTSC Agnus 8372"); 971 AMIGAHW_ANNOUNCE(ALICE_PAL, "PAL Alice 8374"); 972 AMIGAHW_ANNOUNCE(ALICE_NTSC, "NTSC Alice 8374"); 973 AMIGAHW_ANNOUNCE(MAGIC_REKICK, "Magic Hard Rekick"); 974 AMIGAHW_ANNOUNCE(PCMCIA, "PCMCIA Slot"); 975 #ifdef CONFIG_ZORRO 976 if (AMIGAHW_PRESENT(ZORRO)) 977 len += sprintf(buffer+len, "\tZorro II%s AutoConfig: %d Expansion " 978 "Device%s\n", 979 AMIGAHW_PRESENT(ZORRO3) ? "I" : "", 980 zorro_num_autocon, zorro_num_autocon == 1 ? "" : "s"); 981 #endif /* CONFIG_ZORRO */ 982 983 #undef AMIGAHW_ANNOUNCE 984 985 return len; 986 } 987