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