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/pgtable.h> 33 #include <asm/amigahw.h> 34 #include <asm/amigaints.h> 35 #include <asm/irq.h> 36 #include <asm/rtc.h> 37 #include <asm/machdep.h> 38 #include <asm/io.h> 39 40 static unsigned long amiga_model; 41 42 unsigned long amiga_eclock; 43 EXPORT_SYMBOL(amiga_eclock); 44 45 unsigned long amiga_colorclock; 46 EXPORT_SYMBOL(amiga_colorclock); 47 48 unsigned long amiga_chipset; 49 EXPORT_SYMBOL(amiga_chipset); 50 51 unsigned char amiga_vblank; 52 EXPORT_SYMBOL(amiga_vblank); 53 54 static unsigned char amiga_psfreq; 55 56 struct amiga_hw_present amiga_hw_present; 57 EXPORT_SYMBOL(amiga_hw_present); 58 59 static char s_a500[] __initdata = "A500"; 60 static char s_a500p[] __initdata = "A500+"; 61 static char s_a600[] __initdata = "A600"; 62 static char s_a1000[] __initdata = "A1000"; 63 static char s_a1200[] __initdata = "A1200"; 64 static char s_a2000[] __initdata = "A2000"; 65 static char s_a2500[] __initdata = "A2500"; 66 static char s_a3000[] __initdata = "A3000"; 67 static char s_a3000t[] __initdata = "A3000T"; 68 static char s_a3000p[] __initdata = "A3000+"; 69 static char s_a4000[] __initdata = "A4000"; 70 static char s_a4000t[] __initdata = "A4000T"; 71 static char s_cdtv[] __initdata = "CDTV"; 72 static char s_cd32[] __initdata = "CD32"; 73 static char s_draco[] __initdata = "Draco"; 74 static char *amiga_models[] __initdata = { 75 [AMI_500-AMI_500] = s_a500, 76 [AMI_500PLUS-AMI_500] = s_a500p, 77 [AMI_600-AMI_500] = s_a600, 78 [AMI_1000-AMI_500] = s_a1000, 79 [AMI_1200-AMI_500] = s_a1200, 80 [AMI_2000-AMI_500] = s_a2000, 81 [AMI_2500-AMI_500] = s_a2500, 82 [AMI_3000-AMI_500] = s_a3000, 83 [AMI_3000T-AMI_500] = s_a3000t, 84 [AMI_3000PLUS-AMI_500] = s_a3000p, 85 [AMI_4000-AMI_500] = s_a4000, 86 [AMI_4000T-AMI_500] = s_a4000t, 87 [AMI_CDTV-AMI_500] = s_cdtv, 88 [AMI_CD32-AMI_500] = s_cd32, 89 [AMI_DRACO-AMI_500] = s_draco, 90 }; 91 92 static char amiga_model_name[13] = "Amiga "; 93 94 static void amiga_sched_init(irq_handler_t handler); 95 static void amiga_get_model(char *model); 96 static void amiga_get_hardware_list(struct seq_file *m); 97 /* amiga specific timer functions */ 98 static u32 amiga_gettimeoffset(void); 99 extern void amiga_mksound(unsigned int count, unsigned int ticks); 100 static void amiga_reset(void); 101 extern void amiga_init_sound(void); 102 static void amiga_mem_console_write(struct console *co, const char *b, 103 unsigned int count); 104 #ifdef CONFIG_HEARTBEAT 105 static void amiga_heartbeat(int on); 106 #endif 107 108 static struct console amiga_console_driver = { 109 .name = "debug", 110 .flags = CON_PRINTBUFFER, 111 .index = -1, 112 }; 113 114 115 /* 116 * Motherboard Resources present in all Amiga models 117 */ 118 119 static struct { 120 struct resource _ciab, _ciaa, _custom, _kickstart; 121 } mb_resources = { 122 ._ciab = { 123 .name = "CIA B", .start = 0x00bfd000, .end = 0x00bfdfff 124 }, 125 ._ciaa = { 126 .name = "CIA A", .start = 0x00bfe000, .end = 0x00bfefff 127 }, 128 ._custom = { 129 .name = "Custom I/O", .start = 0x00dff000, .end = 0x00dfffff 130 }, 131 ._kickstart = { 132 .name = "Kickstart ROM", .start = 0x00f80000, .end = 0x00ffffff 133 } 134 }; 135 136 static struct resource ram_resource[NUM_MEMINFO]; 137 138 139 /* 140 * Parse an Amiga-specific record in the bootinfo 141 */ 142 143 int amiga_parse_bootinfo(const struct bi_record *record) 144 { 145 int unknown = 0; 146 const unsigned long *data = record->data; 147 148 switch (record->tag) { 149 case BI_AMIGA_MODEL: 150 amiga_model = *data; 151 break; 152 153 case BI_AMIGA_ECLOCK: 154 amiga_eclock = *data; 155 break; 156 157 case BI_AMIGA_CHIPSET: 158 amiga_chipset = *data; 159 break; 160 161 case BI_AMIGA_CHIP_SIZE: 162 amiga_chip_size = *(const int *)data; 163 break; 164 165 case BI_AMIGA_VBLANK: 166 amiga_vblank = *(const unsigned char *)data; 167 break; 168 169 case BI_AMIGA_PSFREQ: 170 amiga_psfreq = *(const unsigned char *)data; 171 break; 172 173 case BI_AMIGA_AUTOCON: 174 #ifdef CONFIG_ZORRO 175 if (zorro_num_autocon < ZORRO_NUM_AUTO) { 176 const struct ConfigDev *cd = (struct ConfigDev *)data; 177 struct zorro_dev *dev = &zorro_autocon[zorro_num_autocon++]; 178 dev->rom = cd->cd_Rom; 179 dev->slotaddr = cd->cd_SlotAddr; 180 dev->slotsize = cd->cd_SlotSize; 181 dev->resource.start = (unsigned long)cd->cd_BoardAddr; 182 dev->resource.end = dev->resource.start + cd->cd_BoardSize - 1; 183 } else 184 printk("amiga_parse_bootinfo: too many AutoConfig devices\n"); 185 #endif /* CONFIG_ZORRO */ 186 break; 187 188 case BI_AMIGA_SERPER: 189 /* serial port period: ignored here */ 190 break; 191 192 default: 193 unknown = 1; 194 } 195 return unknown; 196 } 197 198 /* 199 * Identify builtin hardware 200 */ 201 202 static void __init amiga_identify(void) 203 { 204 /* Fill in some default values, if necessary */ 205 if (amiga_eclock == 0) 206 amiga_eclock = 709379; 207 208 memset(&amiga_hw_present, 0, sizeof(amiga_hw_present)); 209 210 printk("Amiga hardware found: "); 211 if (amiga_model >= AMI_500 && amiga_model <= AMI_DRACO) { 212 printk("[%s] ", amiga_models[amiga_model-AMI_500]); 213 strcat(amiga_model_name, amiga_models[amiga_model-AMI_500]); 214 } 215 216 switch (amiga_model) { 217 case AMI_UNKNOWN: 218 goto Generic; 219 220 case AMI_600: 221 case AMI_1200: 222 AMIGAHW_SET(A1200_IDE); 223 AMIGAHW_SET(PCMCIA); 224 case AMI_500: 225 case AMI_500PLUS: 226 case AMI_1000: 227 case AMI_2000: 228 case AMI_2500: 229 AMIGAHW_SET(A2000_CLK); /* Is this correct for all models? */ 230 goto Generic; 231 232 case AMI_3000: 233 case AMI_3000T: 234 AMIGAHW_SET(AMBER_FF); 235 AMIGAHW_SET(MAGIC_REKICK); 236 /* fall through */ 237 case AMI_3000PLUS: 238 AMIGAHW_SET(A3000_SCSI); 239 AMIGAHW_SET(A3000_CLK); 240 AMIGAHW_SET(ZORRO3); 241 goto Generic; 242 243 case AMI_4000T: 244 AMIGAHW_SET(A4000_SCSI); 245 /* fall through */ 246 case AMI_4000: 247 AMIGAHW_SET(A4000_IDE); 248 AMIGAHW_SET(A3000_CLK); 249 AMIGAHW_SET(ZORRO3); 250 goto Generic; 251 252 case AMI_CDTV: 253 case AMI_CD32: 254 AMIGAHW_SET(CD_ROM); 255 AMIGAHW_SET(A2000_CLK); /* Is this correct? */ 256 goto Generic; 257 258 Generic: 259 AMIGAHW_SET(AMI_VIDEO); 260 AMIGAHW_SET(AMI_BLITTER); 261 AMIGAHW_SET(AMI_AUDIO); 262 AMIGAHW_SET(AMI_FLOPPY); 263 AMIGAHW_SET(AMI_KEYBOARD); 264 AMIGAHW_SET(AMI_MOUSE); 265 AMIGAHW_SET(AMI_SERIAL); 266 AMIGAHW_SET(AMI_PARALLEL); 267 AMIGAHW_SET(CHIP_RAM); 268 AMIGAHW_SET(PAULA); 269 270 switch (amiga_chipset) { 271 case CS_OCS: 272 case CS_ECS: 273 case CS_AGA: 274 switch (amiga_custom.deniseid & 0xf) { 275 case 0x0c: 276 AMIGAHW_SET(DENISE_HR); 277 break; 278 case 0x08: 279 AMIGAHW_SET(LISA); 280 break; 281 } 282 break; 283 default: 284 AMIGAHW_SET(DENISE); 285 break; 286 } 287 switch ((amiga_custom.vposr>>8) & 0x7f) { 288 case 0x00: 289 AMIGAHW_SET(AGNUS_PAL); 290 break; 291 case 0x10: 292 AMIGAHW_SET(AGNUS_NTSC); 293 break; 294 case 0x20: 295 case 0x21: 296 AMIGAHW_SET(AGNUS_HR_PAL); 297 break; 298 case 0x30: 299 case 0x31: 300 AMIGAHW_SET(AGNUS_HR_NTSC); 301 break; 302 case 0x22: 303 case 0x23: 304 AMIGAHW_SET(ALICE_PAL); 305 break; 306 case 0x32: 307 case 0x33: 308 AMIGAHW_SET(ALICE_NTSC); 309 break; 310 } 311 AMIGAHW_SET(ZORRO); 312 break; 313 314 case AMI_DRACO: 315 panic("No support for Draco yet"); 316 317 default: 318 panic("Unknown Amiga Model"); 319 } 320 321 #define AMIGAHW_ANNOUNCE(name, str) \ 322 if (AMIGAHW_PRESENT(name)) \ 323 printk(str) 324 325 AMIGAHW_ANNOUNCE(AMI_VIDEO, "VIDEO "); 326 AMIGAHW_ANNOUNCE(AMI_BLITTER, "BLITTER "); 327 AMIGAHW_ANNOUNCE(AMBER_FF, "AMBER_FF "); 328 AMIGAHW_ANNOUNCE(AMI_AUDIO, "AUDIO "); 329 AMIGAHW_ANNOUNCE(AMI_FLOPPY, "FLOPPY "); 330 AMIGAHW_ANNOUNCE(A3000_SCSI, "A3000_SCSI "); 331 AMIGAHW_ANNOUNCE(A4000_SCSI, "A4000_SCSI "); 332 AMIGAHW_ANNOUNCE(A1200_IDE, "A1200_IDE "); 333 AMIGAHW_ANNOUNCE(A4000_IDE, "A4000_IDE "); 334 AMIGAHW_ANNOUNCE(CD_ROM, "CD_ROM "); 335 AMIGAHW_ANNOUNCE(AMI_KEYBOARD, "KEYBOARD "); 336 AMIGAHW_ANNOUNCE(AMI_MOUSE, "MOUSE "); 337 AMIGAHW_ANNOUNCE(AMI_SERIAL, "SERIAL "); 338 AMIGAHW_ANNOUNCE(AMI_PARALLEL, "PARALLEL "); 339 AMIGAHW_ANNOUNCE(A2000_CLK, "A2000_CLK "); 340 AMIGAHW_ANNOUNCE(A3000_CLK, "A3000_CLK "); 341 AMIGAHW_ANNOUNCE(CHIP_RAM, "CHIP_RAM "); 342 AMIGAHW_ANNOUNCE(PAULA, "PAULA "); 343 AMIGAHW_ANNOUNCE(DENISE, "DENISE "); 344 AMIGAHW_ANNOUNCE(DENISE_HR, "DENISE_HR "); 345 AMIGAHW_ANNOUNCE(LISA, "LISA "); 346 AMIGAHW_ANNOUNCE(AGNUS_PAL, "AGNUS_PAL "); 347 AMIGAHW_ANNOUNCE(AGNUS_NTSC, "AGNUS_NTSC "); 348 AMIGAHW_ANNOUNCE(AGNUS_HR_PAL, "AGNUS_HR_PAL "); 349 AMIGAHW_ANNOUNCE(AGNUS_HR_NTSC, "AGNUS_HR_NTSC "); 350 AMIGAHW_ANNOUNCE(ALICE_PAL, "ALICE_PAL "); 351 AMIGAHW_ANNOUNCE(ALICE_NTSC, "ALICE_NTSC "); 352 AMIGAHW_ANNOUNCE(MAGIC_REKICK, "MAGIC_REKICK "); 353 AMIGAHW_ANNOUNCE(PCMCIA, "PCMCIA "); 354 if (AMIGAHW_PRESENT(ZORRO)) 355 printk("ZORRO%s ", AMIGAHW_PRESENT(ZORRO3) ? "3" : ""); 356 printk("\n"); 357 358 #undef AMIGAHW_ANNOUNCE 359 } 360 361 /* 362 * Setup the Amiga configuration info 363 */ 364 365 void __init config_amiga(void) 366 { 367 int i; 368 369 amiga_identify(); 370 371 /* Yuk, we don't have PCI memory */ 372 iomem_resource.name = "Memory"; 373 for (i = 0; i < 4; i++) 374 request_resource(&iomem_resource, &((struct resource *)&mb_resources)[i]); 375 376 mach_sched_init = amiga_sched_init; 377 mach_init_IRQ = amiga_init_IRQ; 378 mach_get_model = amiga_get_model; 379 mach_get_hardware_list = amiga_get_hardware_list; 380 arch_gettimeoffset = amiga_gettimeoffset; 381 382 /* 383 * default MAX_DMA=0xffffffff on all machines. If we don't do so, the SCSI 384 * code will not be able to allocate any mem for transfers, unless we are 385 * dealing with a Z2 mem only system. /Jes 386 */ 387 mach_max_dma_address = 0xffffffff; 388 389 mach_reset = amiga_reset; 390 #if defined(CONFIG_INPUT_M68K_BEEP) || defined(CONFIG_INPUT_M68K_BEEP_MODULE) 391 mach_beep = amiga_mksound; 392 #endif 393 394 #ifdef CONFIG_HEARTBEAT 395 mach_heartbeat = amiga_heartbeat; 396 #endif 397 398 /* Fill in the clock value (based on the 700 kHz E-Clock) */ 399 amiga_colorclock = 5*amiga_eclock; /* 3.5 MHz */ 400 401 /* clear all DMA bits */ 402 amiga_custom.dmacon = DMAF_ALL; 403 /* ensure that the DMA master bit is set */ 404 amiga_custom.dmacon = DMAF_SETCLR | DMAF_MASTER; 405 406 /* don't use Z2 RAM as system memory on Z3 capable machines */ 407 if (AMIGAHW_PRESENT(ZORRO3)) { 408 int i, j; 409 u32 disabled_z2mem = 0; 410 411 for (i = 0; i < m68k_num_memory; i++) { 412 if (m68k_memory[i].addr < 16*1024*1024) { 413 if (i == 0) { 414 /* don't cut off the branch we're sitting on */ 415 printk("Warning: kernel runs in Zorro II memory\n"); 416 continue; 417 } 418 disabled_z2mem += m68k_memory[i].size; 419 m68k_num_memory--; 420 for (j = i; j < m68k_num_memory; j++) 421 m68k_memory[j] = m68k_memory[j+1]; 422 i--; 423 } 424 } 425 if (disabled_z2mem) 426 printk("%dK of Zorro II memory will not be used as system memory\n", 427 disabled_z2mem>>10); 428 } 429 430 /* request all RAM */ 431 for (i = 0; i < m68k_num_memory; i++) { 432 ram_resource[i].name = 433 (m68k_memory[i].addr >= 0x01000000) ? "32-bit Fast RAM" : 434 (m68k_memory[i].addr < 0x00c00000) ? "16-bit Fast RAM" : 435 "16-bit Slow RAM"; 436 ram_resource[i].start = m68k_memory[i].addr; 437 ram_resource[i].end = m68k_memory[i].addr+m68k_memory[i].size-1; 438 request_resource(&iomem_resource, &ram_resource[i]); 439 } 440 441 /* initialize chipram allocator */ 442 amiga_chip_init(); 443 444 /* our beloved beeper */ 445 if (AMIGAHW_PRESENT(AMI_AUDIO)) 446 amiga_init_sound(); 447 448 /* 449 * if it is an A3000, set the magic bit that forces 450 * a hard rekick 451 */ 452 if (AMIGAHW_PRESENT(MAGIC_REKICK)) 453 *(unsigned char *)ZTWO_VADDR(0xde0002) |= 0x80; 454 } 455 456 static unsigned short jiffy_ticks; 457 458 static void __init amiga_sched_init(irq_handler_t timer_routine) 459 { 460 static struct resource sched_res = { 461 .name = "timer", .start = 0x00bfd400, .end = 0x00bfd5ff, 462 }; 463 jiffy_ticks = DIV_ROUND_CLOSEST(amiga_eclock, HZ); 464 465 if (request_resource(&mb_resources._ciab, &sched_res)) 466 printk("Cannot allocate ciab.ta{lo,hi}\n"); 467 ciab.cra &= 0xC0; /* turn off timer A, continuous mode, from Eclk */ 468 ciab.talo = jiffy_ticks % 256; 469 ciab.tahi = jiffy_ticks / 256; 470 471 /* install interrupt service routine for CIAB Timer A 472 * 473 * Please don't change this to use ciaa, as it interferes with the 474 * SCSI code. We'll have to take a look at this later 475 */ 476 if (request_irq(IRQ_AMIGA_CIAB_TA, timer_routine, 0, "timer", NULL)) 477 pr_err("Couldn't register timer interrupt\n"); 478 /* start timer */ 479 ciab.cra |= 0x11; 480 } 481 482 #define TICK_SIZE 10000 483 484 /* This is always executed with interrupts disabled. */ 485 static u32 amiga_gettimeoffset(void) 486 { 487 unsigned short hi, lo, hi2; 488 u32 ticks, offset = 0; 489 490 /* read CIA B timer A current value */ 491 hi = ciab.tahi; 492 lo = ciab.talo; 493 hi2 = ciab.tahi; 494 495 if (hi != hi2) { 496 lo = ciab.talo; 497 hi = hi2; 498 } 499 500 ticks = hi << 8 | lo; 501 502 if (ticks > jiffy_ticks / 2) 503 /* check for pending interrupt */ 504 if (cia_set_irq(&ciab_base, 0) & CIA_ICR_TA) 505 offset = 10000; 506 507 ticks = jiffy_ticks - ticks; 508 ticks = (10000 * ticks) / jiffy_ticks; 509 510 return (ticks + offset) * 1000; 511 } 512 513 static void amiga_reset(void) __noreturn; 514 515 static void amiga_reset(void) 516 { 517 unsigned long jmp_addr040 = virt_to_phys(&&jmp_addr_label040); 518 unsigned long jmp_addr = virt_to_phys(&&jmp_addr_label); 519 520 local_irq_disable(); 521 if (CPU_IS_040_OR_060) 522 /* Setup transparent translation registers for mapping 523 * of 16 MB kernel segment before disabling translation 524 */ 525 asm volatile ("\n" 526 " move.l %0,%%d0\n" 527 " and.l #0xff000000,%%d0\n" 528 " or.w #0xe020,%%d0\n" /* map 16 MB, enable, cacheable */ 529 " .chip 68040\n" 530 " movec %%d0,%%itt0\n" 531 " movec %%d0,%%dtt0\n" 532 " .chip 68k\n" 533 " jmp %0@\n" 534 : /* no outputs */ 535 : "a" (jmp_addr040) 536 : "d0"); 537 else 538 /* for 680[23]0, just disable translation and jump to the physical 539 * address of the label 540 */ 541 asm volatile ("\n" 542 " pmove %%tc,%@\n" 543 " bclr #7,%@\n" 544 " pmove %@,%%tc\n" 545 " jmp %0@\n" 546 : /* no outputs */ 547 : "a" (jmp_addr)); 548 jmp_addr_label040: 549 /* disable translation on '040 now */ 550 asm volatile ("\n" 551 " moveq #0,%%d0\n" 552 " .chip 68040\n" 553 " movec %%d0,%%tc\n" /* disable MMU */ 554 " .chip 68k\n" 555 : /* no outputs */ 556 : /* no inputs */ 557 : "d0"); 558 559 jmp_addr_label: 560 /* pickup reset address from AmigaOS ROM, reset devices and jump 561 * to reset address 562 */ 563 asm volatile ("\n" 564 " move.w #0x2700,%sr\n" 565 " lea 0x01000000,%a0\n" 566 " sub.l %a0@(-0x14),%a0\n" 567 " move.l %a0@(4),%a0\n" 568 " subq.l #2,%a0\n" 569 " jra 1f\n" 570 /* align on a longword boundary */ 571 " " __ALIGN_STR "\n" 572 "1:\n" 573 " reset\n" 574 " jmp %a0@"); 575 576 for (;;) 577 ; 578 } 579 580 581 /* 582 * Debugging 583 */ 584 585 #define SAVEKMSG_MAXMEM 128*1024 586 587 #define SAVEKMSG_MAGIC1 0x53415645 /* 'SAVE' */ 588 #define SAVEKMSG_MAGIC2 0x4B4D5347 /* 'KMSG' */ 589 590 struct savekmsg { 591 unsigned long magic1; /* SAVEKMSG_MAGIC1 */ 592 unsigned long magic2; /* SAVEKMSG_MAGIC2 */ 593 unsigned long magicptr; /* address of magic1 */ 594 unsigned long size; 595 char data[0]; 596 }; 597 598 static struct savekmsg *savekmsg; 599 600 static void amiga_mem_console_write(struct console *co, const char *s, 601 unsigned int count) 602 { 603 if (savekmsg->size + count <= SAVEKMSG_MAXMEM-sizeof(struct savekmsg)) { 604 memcpy(savekmsg->data + savekmsg->size, s, count); 605 savekmsg->size += count; 606 } 607 } 608 609 static int __init amiga_savekmsg_setup(char *arg) 610 { 611 if (!MACH_IS_AMIGA || strcmp(arg, "mem")) 612 return 0; 613 614 if (amiga_chip_size < SAVEKMSG_MAXMEM) { 615 pr_err("Not enough chipram for debugging\n"); 616 return -ENOMEM; 617 } 618 619 /* Just steal the block, the chipram allocator isn't functional yet */ 620 amiga_chip_size -= SAVEKMSG_MAXMEM; 621 savekmsg = (void *)ZTWO_VADDR(CHIP_PHYSADDR + amiga_chip_size); 622 savekmsg->magic1 = SAVEKMSG_MAGIC1; 623 savekmsg->magic2 = SAVEKMSG_MAGIC2; 624 savekmsg->magicptr = ZTWO_PADDR(savekmsg); 625 savekmsg->size = 0; 626 627 amiga_console_driver.write = amiga_mem_console_write; 628 register_console(&amiga_console_driver); 629 return 0; 630 } 631 632 early_param("debug", amiga_savekmsg_setup); 633 634 static void amiga_serial_putc(char c) 635 { 636 amiga_custom.serdat = (unsigned char)c | 0x100; 637 while (!(amiga_custom.serdatr & 0x2000)) 638 ; 639 } 640 641 static void amiga_serial_console_write(struct console *co, const char *s, 642 unsigned int count) 643 { 644 while (count--) { 645 if (*s == '\n') 646 amiga_serial_putc('\r'); 647 amiga_serial_putc(*s++); 648 } 649 } 650 651 #if 0 652 void amiga_serial_puts(const char *s) 653 { 654 amiga_serial_console_write(NULL, s, strlen(s)); 655 } 656 657 int amiga_serial_console_wait_key(struct console *co) 658 { 659 int ch; 660 661 while (!(amiga_custom.intreqr & IF_RBF)) 662 barrier(); 663 ch = amiga_custom.serdatr & 0xff; 664 /* clear the interrupt, so that another character can be read */ 665 amiga_custom.intreq = IF_RBF; 666 return ch; 667 } 668 669 void amiga_serial_gets(struct console *co, char *s, int len) 670 { 671 int ch, cnt = 0; 672 673 while (1) { 674 ch = amiga_serial_console_wait_key(co); 675 676 /* Check for backspace. */ 677 if (ch == 8 || ch == 127) { 678 if (cnt == 0) { 679 amiga_serial_putc('\007'); 680 continue; 681 } 682 cnt--; 683 amiga_serial_puts("\010 \010"); 684 continue; 685 } 686 687 /* Check for enter. */ 688 if (ch == 10 || ch == 13) 689 break; 690 691 /* See if line is too long. */ 692 if (cnt >= len + 1) { 693 amiga_serial_putc(7); 694 cnt--; 695 continue; 696 } 697 698 /* Store and echo character. */ 699 s[cnt++] = ch; 700 amiga_serial_putc(ch); 701 } 702 /* Print enter. */ 703 amiga_serial_puts("\r\n"); 704 s[cnt] = 0; 705 } 706 #endif 707 708 static int __init amiga_debug_setup(char *arg) 709 { 710 if (MACH_IS_AMIGA && !strcmp(arg, "ser")) { 711 /* no initialization required (?) */ 712 amiga_console_driver.write = amiga_serial_console_write; 713 register_console(&amiga_console_driver); 714 } 715 return 0; 716 } 717 718 early_param("debug", amiga_debug_setup); 719 720 #ifdef CONFIG_HEARTBEAT 721 static void amiga_heartbeat(int on) 722 { 723 if (on) 724 ciaa.pra &= ~2; 725 else 726 ciaa.pra |= 2; 727 } 728 #endif 729 730 /* 731 * Amiga specific parts of /proc 732 */ 733 734 static void amiga_get_model(char *model) 735 { 736 strcpy(model, amiga_model_name); 737 } 738 739 740 static void amiga_get_hardware_list(struct seq_file *m) 741 { 742 if (AMIGAHW_PRESENT(CHIP_RAM)) 743 seq_printf(m, "Chip RAM:\t%ldK\n", amiga_chip_size>>10); 744 seq_printf(m, "PS Freq:\t%dHz\nEClock Freq:\t%ldHz\n", 745 amiga_psfreq, amiga_eclock); 746 if (AMIGAHW_PRESENT(AMI_VIDEO)) { 747 char *type; 748 switch (amiga_chipset) { 749 case CS_OCS: 750 type = "OCS"; 751 break; 752 case CS_ECS: 753 type = "ECS"; 754 break; 755 case CS_AGA: 756 type = "AGA"; 757 break; 758 default: 759 type = "Old or Unknown"; 760 break; 761 } 762 seq_printf(m, "Graphics:\t%s\n", type); 763 } 764 765 #define AMIGAHW_ANNOUNCE(name, str) \ 766 if (AMIGAHW_PRESENT(name)) \ 767 seq_printf (m, "\t%s\n", str) 768 769 seq_printf (m, "Detected hardware:\n"); 770 771 AMIGAHW_ANNOUNCE(AMI_VIDEO, "Amiga Video"); 772 AMIGAHW_ANNOUNCE(AMI_BLITTER, "Blitter"); 773 AMIGAHW_ANNOUNCE(AMBER_FF, "Amber Flicker Fixer"); 774 AMIGAHW_ANNOUNCE(AMI_AUDIO, "Amiga Audio"); 775 AMIGAHW_ANNOUNCE(AMI_FLOPPY, "Floppy Controller"); 776 AMIGAHW_ANNOUNCE(A3000_SCSI, "SCSI Controller WD33C93 (A3000 style)"); 777 AMIGAHW_ANNOUNCE(A4000_SCSI, "SCSI Controller NCR53C710 (A4000T style)"); 778 AMIGAHW_ANNOUNCE(A1200_IDE, "IDE Interface (A1200 style)"); 779 AMIGAHW_ANNOUNCE(A4000_IDE, "IDE Interface (A4000 style)"); 780 AMIGAHW_ANNOUNCE(CD_ROM, "Internal CD ROM drive"); 781 AMIGAHW_ANNOUNCE(AMI_KEYBOARD, "Keyboard"); 782 AMIGAHW_ANNOUNCE(AMI_MOUSE, "Mouse Port"); 783 AMIGAHW_ANNOUNCE(AMI_SERIAL, "Serial Port"); 784 AMIGAHW_ANNOUNCE(AMI_PARALLEL, "Parallel Port"); 785 AMIGAHW_ANNOUNCE(A2000_CLK, "Hardware Clock (A2000 style)"); 786 AMIGAHW_ANNOUNCE(A3000_CLK, "Hardware Clock (A3000 style)"); 787 AMIGAHW_ANNOUNCE(CHIP_RAM, "Chip RAM"); 788 AMIGAHW_ANNOUNCE(PAULA, "Paula 8364"); 789 AMIGAHW_ANNOUNCE(DENISE, "Denise 8362"); 790 AMIGAHW_ANNOUNCE(DENISE_HR, "Denise 8373"); 791 AMIGAHW_ANNOUNCE(LISA, "Lisa 8375"); 792 AMIGAHW_ANNOUNCE(AGNUS_PAL, "Normal/Fat PAL Agnus 8367/8371"); 793 AMIGAHW_ANNOUNCE(AGNUS_NTSC, "Normal/Fat NTSC Agnus 8361/8370"); 794 AMIGAHW_ANNOUNCE(AGNUS_HR_PAL, "Fat Hires PAL Agnus 8372"); 795 AMIGAHW_ANNOUNCE(AGNUS_HR_NTSC, "Fat Hires NTSC Agnus 8372"); 796 AMIGAHW_ANNOUNCE(ALICE_PAL, "PAL Alice 8374"); 797 AMIGAHW_ANNOUNCE(ALICE_NTSC, "NTSC Alice 8374"); 798 AMIGAHW_ANNOUNCE(MAGIC_REKICK, "Magic Hard Rekick"); 799 AMIGAHW_ANNOUNCE(PCMCIA, "PCMCIA Slot"); 800 #ifdef CONFIG_ZORRO 801 if (AMIGAHW_PRESENT(ZORRO)) 802 seq_printf(m, "\tZorro II%s AutoConfig: %d Expansion " 803 "Device%s\n", 804 AMIGAHW_PRESENT(ZORRO3) ? "I" : "", 805 zorro_num_autocon, zorro_num_autocon == 1 ? "" : "s"); 806 #endif /* CONFIG_ZORRO */ 807 808 #undef AMIGAHW_ANNOUNCE 809 } 810 811 /* 812 * The Amiga keyboard driver needs key_maps, but we cannot export it in 813 * drivers/char/defkeymap.c, as it is autogenerated 814 */ 815 #ifdef CONFIG_HW_CONSOLE 816 EXPORT_SYMBOL_GPL(key_maps); 817 #endif 818