1 /* 2 * linux/arch/m68k/atari/config.c 3 * 4 * Copyright (C) 1994 Bjoern Brauel 5 * 6 * 5/2/94 Roman Hodek: 7 * Added setting of time_adj to get a better clock. 8 * 9 * 5/14/94 Roman Hodek: 10 * gettod() for TT 11 * 12 * 5/15/94 Roman Hodek: 13 * hard_reset_now() for Atari (and others?) 14 * 15 * 94/12/30 Andreas Schwab: 16 * atari_sched_init fixed to get precise clock. 17 * 18 * This file is subject to the terms and conditions of the GNU General Public 19 * License. See the file COPYING in the main directory of this archive 20 * for more details. 21 */ 22 23 /* 24 * Miscellaneous atari stuff 25 */ 26 27 #include <linux/types.h> 28 #include <linux/mm.h> 29 #include <linux/seq_file.h> 30 #include <linux/console.h> 31 #include <linux/init.h> 32 #include <linux/delay.h> 33 #include <linux/ioport.h> 34 #include <linux/vt_kern.h> 35 #include <linux/module.h> 36 37 #include <asm/bootinfo.h> 38 #include <asm/setup.h> 39 #include <asm/atarihw.h> 40 #include <asm/atariints.h> 41 #include <asm/atari_stram.h> 42 #include <asm/machdep.h> 43 #include <asm/hwtest.h> 44 #include <asm/io.h> 45 46 u_long atari_mch_cookie; 47 EXPORT_SYMBOL(atari_mch_cookie); 48 49 u_long atari_mch_type; 50 EXPORT_SYMBOL(atari_mch_type); 51 52 struct atari_hw_present atari_hw_present; 53 EXPORT_SYMBOL(atari_hw_present); 54 55 u_long atari_switches; 56 EXPORT_SYMBOL(atari_switches); 57 58 int atari_dont_touch_floppy_select; 59 EXPORT_SYMBOL(atari_dont_touch_floppy_select); 60 61 int atari_rtc_year_offset; 62 63 /* local function prototypes */ 64 static void atari_reset(void); 65 static void atari_get_model(char *model); 66 static void atari_get_hardware_list(struct seq_file *m); 67 68 /* atari specific irq functions */ 69 extern void atari_init_IRQ (void); 70 extern void atari_mksound(unsigned int count, unsigned int ticks); 71 #ifdef CONFIG_HEARTBEAT 72 static void atari_heartbeat(int on); 73 #endif 74 75 /* atari specific timer functions (in time.c) */ 76 extern void atari_sched_init(irq_handler_t); 77 extern unsigned long atari_gettimeoffset (void); 78 extern int atari_mste_hwclk (int, struct rtc_time *); 79 extern int atari_tt_hwclk (int, struct rtc_time *); 80 extern int atari_mste_set_clock_mmss (unsigned long); 81 extern int atari_tt_set_clock_mmss (unsigned long); 82 83 84 /* ++roman: This is a more elaborate test for an SCC chip, since the plain 85 * Medusa board generates DTACK at the SCC's standard addresses, but a SCC 86 * board in the Medusa is possible. Also, the addresses where the ST_ESCC 87 * resides generate DTACK without the chip, too. 88 * The method is to write values into the interrupt vector register, that 89 * should be readable without trouble (from channel A!). 90 */ 91 92 static int __init scc_test(volatile char *ctla) 93 { 94 if (!hwreg_present(ctla)) 95 return 0; 96 MFPDELAY(); 97 98 *ctla = 2; 99 MFPDELAY(); 100 *ctla = 0x40; 101 MFPDELAY(); 102 103 *ctla = 2; 104 MFPDELAY(); 105 if (*ctla != 0x40) 106 return 0; 107 MFPDELAY(); 108 109 *ctla = 2; 110 MFPDELAY(); 111 *ctla = 0x60; 112 MFPDELAY(); 113 114 *ctla = 2; 115 MFPDELAY(); 116 if (*ctla != 0x60) 117 return 0; 118 119 return 1; 120 } 121 122 123 /* 124 * Parse an Atari-specific record in the bootinfo 125 */ 126 127 int __init atari_parse_bootinfo(const struct bi_record *record) 128 { 129 int unknown = 0; 130 const u_long *data = record->data; 131 132 switch (record->tag) { 133 case BI_ATARI_MCH_COOKIE: 134 atari_mch_cookie = *data; 135 break; 136 case BI_ATARI_MCH_TYPE: 137 atari_mch_type = *data; 138 break; 139 default: 140 unknown = 1; 141 break; 142 } 143 return unknown; 144 } 145 146 147 /* Parse the Atari-specific switches= option. */ 148 static int __init atari_switches_setup(char *str) 149 { 150 char switches[strlen(str) + 1]; 151 char *p; 152 int ovsc_shift; 153 char *args = switches; 154 155 if (!MACH_IS_ATARI) 156 return 0; 157 158 /* copy string to local array, strsep works destructively... */ 159 strcpy(switches, str); 160 atari_switches = 0; 161 162 /* parse the options */ 163 while ((p = strsep(&args, ",")) != NULL) { 164 if (!*p) 165 continue; 166 ovsc_shift = 0; 167 if (strncmp(p, "ov_", 3) == 0) { 168 p += 3; 169 ovsc_shift = ATARI_SWITCH_OVSC_SHIFT; 170 } 171 172 if (strcmp(p, "ikbd") == 0) { 173 /* RTS line of IKBD ACIA */ 174 atari_switches |= ATARI_SWITCH_IKBD << ovsc_shift; 175 } else if (strcmp(p, "midi") == 0) { 176 /* RTS line of MIDI ACIA */ 177 atari_switches |= ATARI_SWITCH_MIDI << ovsc_shift; 178 } else if (strcmp(p, "snd6") == 0) { 179 atari_switches |= ATARI_SWITCH_SND6 << ovsc_shift; 180 } else if (strcmp(p, "snd7") == 0) { 181 atari_switches |= ATARI_SWITCH_SND7 << ovsc_shift; 182 } 183 } 184 return 0; 185 } 186 187 early_param("switches", atari_switches_setup); 188 189 190 /* 191 * Setup the Atari configuration info 192 */ 193 194 void __init config_atari(void) 195 { 196 unsigned short tos_version; 197 198 memset(&atari_hw_present, 0, sizeof(atari_hw_present)); 199 200 /* Change size of I/O space from 64KB to 4GB. */ 201 ioport_resource.end = 0xFFFFFFFF; 202 203 mach_sched_init = atari_sched_init; 204 mach_init_IRQ = atari_init_IRQ; 205 mach_get_model = atari_get_model; 206 mach_get_hardware_list = atari_get_hardware_list; 207 mach_gettimeoffset = atari_gettimeoffset; 208 mach_reset = atari_reset; 209 mach_max_dma_address = 0xffffff; 210 #if defined(CONFIG_INPUT_M68K_BEEP) || defined(CONFIG_INPUT_M68K_BEEP_MODULE) 211 mach_beep = atari_mksound; 212 #endif 213 #ifdef CONFIG_HEARTBEAT 214 mach_heartbeat = atari_heartbeat; 215 #endif 216 217 /* Set switches as requested by the user */ 218 if (atari_switches & ATARI_SWITCH_IKBD) 219 acia.key_ctrl = ACIA_DIV64 | ACIA_D8N1S | ACIA_RHTID; 220 if (atari_switches & ATARI_SWITCH_MIDI) 221 acia.mid_ctrl = ACIA_DIV16 | ACIA_D8N1S | ACIA_RHTID; 222 if (atari_switches & (ATARI_SWITCH_SND6|ATARI_SWITCH_SND7)) { 223 sound_ym.rd_data_reg_sel = 14; 224 sound_ym.wd_data = sound_ym.rd_data_reg_sel | 225 ((atari_switches&ATARI_SWITCH_SND6) ? 0x40 : 0) | 226 ((atari_switches&ATARI_SWITCH_SND7) ? 0x80 : 0); 227 } 228 229 /* ++bjoern: 230 * Determine hardware present 231 */ 232 233 printk("Atari hardware found: "); 234 if (MACH_IS_MEDUSA) { 235 /* There's no Atari video hardware on the Medusa, but all the 236 * addresses below generate a DTACK so no bus error occurs! */ 237 } else if (hwreg_present(f030_xreg)) { 238 ATARIHW_SET(VIDEL_SHIFTER); 239 printk("VIDEL "); 240 /* This is a temporary hack: If there is Falcon video 241 * hardware, we assume that the ST-DMA serves SCSI instead of 242 * ACSI. In the future, there should be a better method for 243 * this... 244 */ 245 ATARIHW_SET(ST_SCSI); 246 printk("STDMA-SCSI "); 247 } else if (hwreg_present(tt_palette)) { 248 ATARIHW_SET(TT_SHIFTER); 249 printk("TT_SHIFTER "); 250 } else if (hwreg_present(&shifter.bas_hi)) { 251 if (hwreg_present(&shifter.bas_lo) && 252 (shifter.bas_lo = 0x0aau, shifter.bas_lo == 0x0aau)) { 253 ATARIHW_SET(EXTD_SHIFTER); 254 printk("EXTD_SHIFTER "); 255 } else { 256 ATARIHW_SET(STND_SHIFTER); 257 printk("STND_SHIFTER "); 258 } 259 } 260 if (hwreg_present(&st_mfp.par_dt_reg)) { 261 ATARIHW_SET(ST_MFP); 262 printk("ST_MFP "); 263 } 264 if (hwreg_present(&tt_mfp.par_dt_reg)) { 265 ATARIHW_SET(TT_MFP); 266 printk("TT_MFP "); 267 } 268 if (hwreg_present(&tt_scsi_dma.dma_addr_hi)) { 269 ATARIHW_SET(SCSI_DMA); 270 printk("TT_SCSI_DMA "); 271 } 272 /* 273 * The ST-DMA address registers aren't readable 274 * on all Medusas, so the test below may fail 275 */ 276 if (MACH_IS_MEDUSA || 277 (hwreg_present(&st_dma.dma_vhi) && 278 (st_dma.dma_vhi = 0x55) && (st_dma.dma_hi = 0xaa) && 279 st_dma.dma_vhi == 0x55 && st_dma.dma_hi == 0xaa && 280 (st_dma.dma_vhi = 0xaa) && (st_dma.dma_hi = 0x55) && 281 st_dma.dma_vhi == 0xaa && st_dma.dma_hi == 0x55)) { 282 ATARIHW_SET(EXTD_DMA); 283 printk("EXTD_DMA "); 284 } 285 if (hwreg_present(&tt_scsi.scsi_data)) { 286 ATARIHW_SET(TT_SCSI); 287 printk("TT_SCSI "); 288 } 289 if (hwreg_present(&sound_ym.rd_data_reg_sel)) { 290 ATARIHW_SET(YM_2149); 291 printk("YM2149 "); 292 } 293 if (!MACH_IS_MEDUSA && hwreg_present(&tt_dmasnd.ctrl)) { 294 ATARIHW_SET(PCM_8BIT); 295 printk("PCM "); 296 } 297 if (hwreg_present(&falcon_codec.unused5)) { 298 ATARIHW_SET(CODEC); 299 printk("CODEC "); 300 } 301 if (hwreg_present(&dsp56k_host_interface.icr)) { 302 ATARIHW_SET(DSP56K); 303 printk("DSP56K "); 304 } 305 if (hwreg_present(&tt_scc_dma.dma_ctrl) && 306 #if 0 307 /* This test sucks! Who knows some better? */ 308 (tt_scc_dma.dma_ctrl = 0x01, (tt_scc_dma.dma_ctrl & 1) == 1) && 309 (tt_scc_dma.dma_ctrl = 0x00, (tt_scc_dma.dma_ctrl & 1) == 0) 310 #else 311 !MACH_IS_MEDUSA 312 #endif 313 ) { 314 ATARIHW_SET(SCC_DMA); 315 printk("SCC_DMA "); 316 } 317 if (scc_test(&atari_scc.cha_a_ctrl)) { 318 ATARIHW_SET(SCC); 319 printk("SCC "); 320 } 321 if (scc_test(&st_escc.cha_b_ctrl)) { 322 ATARIHW_SET(ST_ESCC); 323 printk("ST_ESCC "); 324 } 325 if (hwreg_present(&tt_scu.sys_mask)) { 326 ATARIHW_SET(SCU); 327 /* Assume a VME bus if there's a SCU */ 328 ATARIHW_SET(VME); 329 printk("VME SCU "); 330 } 331 if (hwreg_present((void *)(0xffff9210))) { 332 ATARIHW_SET(ANALOG_JOY); 333 printk("ANALOG_JOY "); 334 } 335 if (hwreg_present(blitter.halftone)) { 336 ATARIHW_SET(BLITTER); 337 printk("BLITTER "); 338 } 339 if (hwreg_present((void *)0xfff00039)) { 340 ATARIHW_SET(IDE); 341 printk("IDE "); 342 } 343 #if 1 /* This maybe wrong */ 344 if (!MACH_IS_MEDUSA && hwreg_present(&tt_microwire.data) && 345 hwreg_present(&tt_microwire.mask) && 346 (tt_microwire.mask = 0x7ff, 347 udelay(1), 348 tt_microwire.data = MW_LM1992_PSG_HIGH | MW_LM1992_ADDR, 349 udelay(1), 350 tt_microwire.data != 0)) { 351 ATARIHW_SET(MICROWIRE); 352 while (tt_microwire.mask != 0x7ff) 353 ; 354 printk("MICROWIRE "); 355 } 356 #endif 357 if (hwreg_present(&tt_rtc.regsel)) { 358 ATARIHW_SET(TT_CLK); 359 printk("TT_CLK "); 360 mach_hwclk = atari_tt_hwclk; 361 mach_set_clock_mmss = atari_tt_set_clock_mmss; 362 } 363 if (hwreg_present(&mste_rtc.sec_ones)) { 364 ATARIHW_SET(MSTE_CLK); 365 printk("MSTE_CLK "); 366 mach_hwclk = atari_mste_hwclk; 367 mach_set_clock_mmss = atari_mste_set_clock_mmss; 368 } 369 if (!MACH_IS_MEDUSA && hwreg_present(&dma_wd.fdc_speed) && 370 hwreg_write(&dma_wd.fdc_speed, 0)) { 371 ATARIHW_SET(FDCSPEED); 372 printk("FDC_SPEED "); 373 } 374 if (!ATARIHW_PRESENT(ST_SCSI)) { 375 ATARIHW_SET(ACSI); 376 printk("ACSI "); 377 } 378 printk("\n"); 379 380 if (CPU_IS_040_OR_060) 381 /* Now it seems to be safe to turn of the tt0 transparent 382 * translation (the one that must not be turned off in 383 * head.S...) 384 */ 385 asm volatile ("\n" 386 " moveq #0,%%d0\n" 387 " .chip 68040\n" 388 " movec %%d0,%%itt0\n" 389 " movec %%d0,%%dtt0\n" 390 " .chip 68k" 391 : /* no outputs */ 392 : /* no inputs */ 393 : "d0"); 394 395 /* allocator for memory that must reside in st-ram */ 396 atari_stram_init(); 397 398 /* Set up a mapping for the VMEbus address region: 399 * 400 * VME is either at phys. 0xfexxxxxx (TT) or 0xa00000..0xdfffff 401 * (MegaSTE) In both cases, the whole 16 MB chunk is mapped at 402 * 0xfe000000 virt., because this can be done with a single 403 * transparent translation. On the 68040, lots of often unused 404 * page tables would be needed otherwise. On a MegaSTE or similar, 405 * the highest byte is stripped off by hardware due to the 24 bit 406 * design of the bus. 407 */ 408 409 if (CPU_IS_020_OR_030) { 410 unsigned long tt1_val; 411 tt1_val = 0xfe008543; /* Translate 0xfexxxxxx, enable, cache 412 * inhibit, read and write, FDC mask = 3, 413 * FDC val = 4 -> Supervisor only */ 414 asm volatile ("\n" 415 " .chip 68030\n" 416 " pmove %0,%/tt1\n" 417 " .chip 68k" 418 : : "m" (tt1_val)); 419 } else { 420 asm volatile ("\n" 421 " .chip 68040\n" 422 " movec %0,%%itt1\n" 423 " movec %0,%%dtt1\n" 424 " .chip 68k" 425 : 426 : "d" (0xfe00a040)); /* Translate 0xfexxxxxx, enable, 427 * supervisor only, non-cacheable/ 428 * serialized, writable */ 429 430 } 431 432 /* Fetch tos version at Physical 2 */ 433 /* 434 * We my not be able to access this address if the kernel is 435 * loaded to st ram, since the first page is unmapped. On the 436 * Medusa this is always the case and there is nothing we can do 437 * about this, so we just assume the smaller offset. For the TT 438 * we use the fact that in head.S we have set up a mapping 439 * 0xFFxxxxxx -> 0x00xxxxxx, so that the first 16MB is accessible 440 * in the last 16MB of the address space. 441 */ 442 tos_version = (MACH_IS_MEDUSA) ? 443 0xfff : *(unsigned short *)0xff000002; 444 atari_rtc_year_offset = (tos_version < 0x306) ? 70 : 68; 445 } 446 447 #ifdef CONFIG_HEARTBEAT 448 static void atari_heartbeat(int on) 449 { 450 unsigned char tmp; 451 unsigned long flags; 452 453 if (atari_dont_touch_floppy_select) 454 return; 455 456 local_irq_save(flags); 457 sound_ym.rd_data_reg_sel = 14; /* Select PSG Port A */ 458 tmp = sound_ym.rd_data_reg_sel; 459 sound_ym.wd_data = on ? (tmp & ~0x02) : (tmp | 0x02); 460 local_irq_restore(flags); 461 } 462 #endif 463 464 /* ++roman: 465 * 466 * This function does a reset on machines that lack the ability to 467 * assert the processor's _RESET signal somehow via hardware. It is 468 * based on the fact that you can find the initial SP and PC values 469 * after a reset at physical addresses 0 and 4. This works pretty well 470 * for Atari machines, since the lowest 8 bytes of physical memory are 471 * really ROM (mapped by hardware). For other 680x0 machines: don't 472 * know if it works... 473 * 474 * To get the values at addresses 0 and 4, the MMU better is turned 475 * off first. After that, we have to jump into physical address space 476 * (the PC before the pmove statement points to the virtual address of 477 * the code). Getting that physical address is not hard, but the code 478 * becomes a bit complex since I've tried to ensure that the jump 479 * statement after the pmove is in the cache already (otherwise the 480 * processor can't fetch it!). For that, the code first jumps to the 481 * jump statement with the (virtual) address of the pmove section in 482 * an address register . The jump statement is surely in the cache 483 * now. After that, that physical address of the reset code is loaded 484 * into the same address register, pmove is done and the same jump 485 * statements goes to the reset code. Since there are not many 486 * statements between the two jumps, I hope it stays in the cache. 487 * 488 * The C code makes heavy use of the GCC features that you can get the 489 * address of a C label. No hope to compile this with another compiler 490 * than GCC! 491 */ 492 493 /* ++andreas: no need for complicated code, just depend on prefetch */ 494 495 static void atari_reset(void) 496 { 497 long tc_val = 0; 498 long reset_addr; 499 500 /* 501 * On the Medusa, phys. 0x4 may contain garbage because it's no 502 * ROM. See above for explanation why we cannot use PTOV(4). 503 */ 504 reset_addr = MACH_IS_MEDUSA || MACH_IS_AB40 ? 0xe00030 : 505 *(unsigned long *) 0xff000004; 506 507 /* reset ACIA for switch off OverScan, if it's active */ 508 if (atari_switches & ATARI_SWITCH_OVSC_IKBD) 509 acia.key_ctrl = ACIA_RESET; 510 if (atari_switches & ATARI_SWITCH_OVSC_MIDI) 511 acia.mid_ctrl = ACIA_RESET; 512 513 /* processor independent: turn off interrupts and reset the VBR; 514 * the caches must be left enabled, else prefetching the final jump 515 * instruction doesn't work. 516 */ 517 local_irq_disable(); 518 asm volatile ("movec %0,%%vbr" 519 : : "d" (0)); 520 521 if (CPU_IS_040_OR_060) { 522 unsigned long jmp_addr040 = virt_to_phys(&&jmp_addr_label040); 523 if (CPU_IS_060) { 524 /* 68060: clear PCR to turn off superscalar operation */ 525 asm volatile ("\n" 526 " .chip 68060\n" 527 " movec %0,%%pcr\n" 528 " .chip 68k" 529 : : "d" (0)); 530 } 531 532 asm volatile ("\n" 533 " move.l %0,%%d0\n" 534 " and.l #0xff000000,%%d0\n" 535 " or.w #0xe020,%%d0\n" /* map 16 MB, enable, cacheable */ 536 " .chip 68040\n" 537 " movec %%d0,%%itt0\n" 538 " movec %%d0,%%dtt0\n" 539 " .chip 68k\n" 540 " jmp %0@" 541 : : "a" (jmp_addr040) 542 : "d0"); 543 jmp_addr_label040: 544 asm volatile ("\n" 545 " moveq #0,%%d0\n" 546 " nop\n" 547 " .chip 68040\n" 548 " cinva %%bc\n" 549 " nop\n" 550 " pflusha\n" 551 " nop\n" 552 " movec %%d0,%%tc\n" 553 " nop\n" 554 /* the following setup of transparent translations is needed on the 555 * Afterburner040 to successfully reboot. Other machines shouldn't 556 * care about a different tt regs setup, they also didn't care in 557 * the past that the regs weren't turned off. */ 558 " move.l #0xffc000,%%d0\n" /* whole insn space cacheable */ 559 " movec %%d0,%%itt0\n" 560 " movec %%d0,%%itt1\n" 561 " or.w #0x40,%/d0\n" /* whole data space non-cacheable/ser. */ 562 " movec %%d0,%%dtt0\n" 563 " movec %%d0,%%dtt1\n" 564 " .chip 68k\n" 565 " jmp %0@" 566 : /* no outputs */ 567 : "a" (reset_addr) 568 : "d0"); 569 } else 570 asm volatile ("\n" 571 " pmove %0,%%tc\n" 572 " jmp %1@" 573 : /* no outputs */ 574 : "m" (tc_val), "a" (reset_addr)); 575 } 576 577 578 static void atari_get_model(char *model) 579 { 580 strcpy(model, "Atari "); 581 switch (atari_mch_cookie >> 16) { 582 case ATARI_MCH_ST: 583 if (ATARIHW_PRESENT(MSTE_CLK)) 584 strcat(model, "Mega ST"); 585 else 586 strcat(model, "ST"); 587 break; 588 case ATARI_MCH_STE: 589 if (MACH_IS_MSTE) 590 strcat(model, "Mega STE"); 591 else 592 strcat(model, "STE"); 593 break; 594 case ATARI_MCH_TT: 595 if (MACH_IS_MEDUSA) 596 /* Medusa has TT _MCH cookie */ 597 strcat(model, "Medusa"); 598 else 599 strcat(model, "TT"); 600 break; 601 case ATARI_MCH_FALCON: 602 strcat(model, "Falcon"); 603 if (MACH_IS_AB40) 604 strcat(model, " (with Afterburner040)"); 605 break; 606 default: 607 sprintf(model + strlen(model), "(unknown mach cookie 0x%lx)", 608 atari_mch_cookie); 609 break; 610 } 611 } 612 613 614 static void atari_get_hardware_list(struct seq_file *m) 615 { 616 int i; 617 618 for (i = 0; i < m68k_num_memory; i++) 619 seq_printf(m, "\t%3ld MB at 0x%08lx (%s)\n", 620 m68k_memory[i].size >> 20, m68k_memory[i].addr, 621 (m68k_memory[i].addr & 0xff000000 ? 622 "alternate RAM" : "ST-RAM")); 623 624 #define ATARIHW_ANNOUNCE(name, str) \ 625 if (ATARIHW_PRESENT(name)) \ 626 seq_printf(m, "\t%s\n", str) 627 628 seq_printf(m, "Detected hardware:\n"); 629 ATARIHW_ANNOUNCE(STND_SHIFTER, "ST Shifter"); 630 ATARIHW_ANNOUNCE(EXTD_SHIFTER, "STe Shifter"); 631 ATARIHW_ANNOUNCE(TT_SHIFTER, "TT Shifter"); 632 ATARIHW_ANNOUNCE(VIDEL_SHIFTER, "Falcon Shifter"); 633 ATARIHW_ANNOUNCE(YM_2149, "Programmable Sound Generator"); 634 ATARIHW_ANNOUNCE(PCM_8BIT, "PCM 8 Bit Sound"); 635 ATARIHW_ANNOUNCE(CODEC, "CODEC Sound"); 636 ATARIHW_ANNOUNCE(TT_SCSI, "SCSI Controller NCR5380 (TT style)"); 637 ATARIHW_ANNOUNCE(ST_SCSI, "SCSI Controller NCR5380 (Falcon style)"); 638 ATARIHW_ANNOUNCE(ACSI, "ACSI Interface"); 639 ATARIHW_ANNOUNCE(IDE, "IDE Interface"); 640 ATARIHW_ANNOUNCE(FDCSPEED, "8/16 Mhz Switch for FDC"); 641 ATARIHW_ANNOUNCE(ST_MFP, "Multi Function Peripheral MFP 68901"); 642 ATARIHW_ANNOUNCE(TT_MFP, "Second Multi Function Peripheral MFP 68901"); 643 ATARIHW_ANNOUNCE(SCC, "Serial Communications Controller SCC 8530"); 644 ATARIHW_ANNOUNCE(ST_ESCC, "Extended Serial Communications Controller SCC 85230"); 645 ATARIHW_ANNOUNCE(ANALOG_JOY, "Paddle Interface"); 646 ATARIHW_ANNOUNCE(MICROWIRE, "MICROWIRE(tm) Interface"); 647 ATARIHW_ANNOUNCE(STND_DMA, "DMA Controller (24 bit)"); 648 ATARIHW_ANNOUNCE(EXTD_DMA, "DMA Controller (32 bit)"); 649 ATARIHW_ANNOUNCE(SCSI_DMA, "DMA Controller for NCR5380"); 650 ATARIHW_ANNOUNCE(SCC_DMA, "DMA Controller for SCC"); 651 ATARIHW_ANNOUNCE(TT_CLK, "Clock Chip MC146818A"); 652 ATARIHW_ANNOUNCE(MSTE_CLK, "Clock Chip RP5C15"); 653 ATARIHW_ANNOUNCE(SCU, "System Control Unit"); 654 ATARIHW_ANNOUNCE(BLITTER, "Blitter"); 655 ATARIHW_ANNOUNCE(VME, "VME Bus"); 656 ATARIHW_ANNOUNCE(DSP56K, "DSP56001 processor"); 657 } 658