1 /* 2 * Miscellaneous Mac68K-specific stuff 3 */ 4 5 #include <linux/types.h> 6 #include <linux/errno.h> 7 #include <linux/miscdevice.h> 8 #include <linux/kernel.h> 9 #include <linux/delay.h> 10 #include <linux/sched.h> 11 #include <linux/time.h> 12 #include <linux/rtc.h> 13 #include <linux/mm.h> 14 15 #include <linux/adb.h> 16 #include <linux/cuda.h> 17 #include <linux/pmu.h> 18 19 #include <asm/uaccess.h> 20 #include <asm/io.h> 21 #include <asm/rtc.h> 22 #include <asm/system.h> 23 #include <asm/segment.h> 24 #include <asm/setup.h> 25 #include <asm/macintosh.h> 26 #include <asm/mac_via.h> 27 #include <asm/mac_oss.h> 28 29 #define BOOTINFO_COMPAT_1_0 30 #include <asm/bootinfo.h> 31 #include <asm/machdep.h> 32 33 /* Offset between Unix time (1970-based) and Mac time (1904-based) */ 34 35 #define RTC_OFFSET 2082844800 36 37 static void (*rom_reset)(void); 38 39 #ifdef CONFIG_ADB_CUDA 40 static long cuda_read_time(void) 41 { 42 struct adb_request req; 43 long time; 44 45 if (cuda_request(&req, NULL, 2, CUDA_PACKET, CUDA_GET_TIME) < 0) 46 return 0; 47 while (!req.complete) 48 cuda_poll(); 49 50 time = (req.reply[3] << 24) | (req.reply[4] << 16) 51 | (req.reply[5] << 8) | req.reply[6]; 52 return time - RTC_OFFSET; 53 } 54 55 static void cuda_write_time(long data) 56 { 57 struct adb_request req; 58 data += RTC_OFFSET; 59 if (cuda_request(&req, NULL, 6, CUDA_PACKET, CUDA_SET_TIME, 60 (data >> 24) & 0xFF, (data >> 16) & 0xFF, 61 (data >> 8) & 0xFF, data & 0xFF) < 0) 62 return; 63 while (!req.complete) 64 cuda_poll(); 65 } 66 67 static __u8 cuda_read_pram(int offset) 68 { 69 struct adb_request req; 70 if (cuda_request(&req, NULL, 4, CUDA_PACKET, CUDA_GET_PRAM, 71 (offset >> 8) & 0xFF, offset & 0xFF) < 0) 72 return 0; 73 while (!req.complete) 74 cuda_poll(); 75 return req.reply[3]; 76 } 77 78 static void cuda_write_pram(int offset, __u8 data) 79 { 80 struct adb_request req; 81 if (cuda_request(&req, NULL, 5, CUDA_PACKET, CUDA_SET_PRAM, 82 (offset >> 8) & 0xFF, offset & 0xFF, data) < 0) 83 return; 84 while (!req.complete) 85 cuda_poll(); 86 } 87 #else 88 #define cuda_read_time() 0 89 #define cuda_write_time(n) 90 #define cuda_read_pram NULL 91 #define cuda_write_pram NULL 92 #endif 93 94 #ifdef CONFIG_ADB_PMU68K 95 static long pmu_read_time(void) 96 { 97 struct adb_request req; 98 long time; 99 100 if (pmu_request(&req, NULL, 1, PMU_READ_RTC) < 0) 101 return 0; 102 while (!req.complete) 103 pmu_poll(); 104 105 time = (req.reply[1] << 24) | (req.reply[2] << 16) 106 | (req.reply[3] << 8) | req.reply[4]; 107 return time - RTC_OFFSET; 108 } 109 110 static void pmu_write_time(long data) 111 { 112 struct adb_request req; 113 data += RTC_OFFSET; 114 if (pmu_request(&req, NULL, 5, PMU_SET_RTC, 115 (data >> 24) & 0xFF, (data >> 16) & 0xFF, 116 (data >> 8) & 0xFF, data & 0xFF) < 0) 117 return; 118 while (!req.complete) 119 pmu_poll(); 120 } 121 122 static __u8 pmu_read_pram(int offset) 123 { 124 struct adb_request req; 125 if (pmu_request(&req, NULL, 3, PMU_READ_NVRAM, 126 (offset >> 8) & 0xFF, offset & 0xFF) < 0) 127 return 0; 128 while (!req.complete) 129 pmu_poll(); 130 return req.reply[3]; 131 } 132 133 static void pmu_write_pram(int offset, __u8 data) 134 { 135 struct adb_request req; 136 if (pmu_request(&req, NULL, 4, PMU_WRITE_NVRAM, 137 (offset >> 8) & 0xFF, offset & 0xFF, data) < 0) 138 return; 139 while (!req.complete) 140 pmu_poll(); 141 } 142 #else 143 #define pmu_read_time() 0 144 #define pmu_write_time(n) 145 #define pmu_read_pram NULL 146 #define pmu_write_pram NULL 147 #endif 148 149 #if 0 /* def CONFIG_ADB_MACIISI */ 150 extern int maciisi_request(struct adb_request *req, 151 void (*done)(struct adb_request *), int nbytes, ...); 152 153 static long maciisi_read_time(void) 154 { 155 struct adb_request req; 156 long time; 157 158 if (maciisi_request(&req, NULL, 2, CUDA_PACKET, CUDA_GET_TIME)) 159 return 0; 160 161 time = (req.reply[3] << 24) | (req.reply[4] << 16) 162 | (req.reply[5] << 8) | req.reply[6]; 163 return time - RTC_OFFSET; 164 } 165 166 static void maciisi_write_time(long data) 167 { 168 struct adb_request req; 169 data += RTC_OFFSET; 170 maciisi_request(&req, NULL, 6, CUDA_PACKET, CUDA_SET_TIME, 171 (data >> 24) & 0xFF, (data >> 16) & 0xFF, 172 (data >> 8) & 0xFF, data & 0xFF); 173 } 174 175 static __u8 maciisi_read_pram(int offset) 176 { 177 struct adb_request req; 178 if (maciisi_request(&req, NULL, 4, CUDA_PACKET, CUDA_GET_PRAM, 179 (offset >> 8) & 0xFF, offset & 0xFF)) 180 return 0; 181 return req.reply[3]; 182 } 183 184 static void maciisi_write_pram(int offset, __u8 data) 185 { 186 struct adb_request req; 187 maciisi_request(&req, NULL, 5, CUDA_PACKET, CUDA_SET_PRAM, 188 (offset >> 8) & 0xFF, offset & 0xFF, data); 189 } 190 #else 191 #define maciisi_read_time() 0 192 #define maciisi_write_time(n) 193 #define maciisi_read_pram NULL 194 #define maciisi_write_pram NULL 195 #endif 196 197 /* 198 * VIA PRAM/RTC access routines 199 * 200 * Must be called with interrupts disabled and 201 * the RTC should be enabled. 202 */ 203 204 static __u8 via_pram_readbyte(void) 205 { 206 int i,reg; 207 __u8 data; 208 209 reg = via1[vBufB] & ~VIA1B_vRTCClk; 210 211 /* Set the RTC data line to be an input. */ 212 213 via1[vDirB] &= ~VIA1B_vRTCData; 214 215 /* The bits of the byte come out in MSB order */ 216 217 data = 0; 218 for (i = 0 ; i < 8 ; i++) { 219 via1[vBufB] = reg; 220 via1[vBufB] = reg | VIA1B_vRTCClk; 221 data = (data << 1) | (via1[vBufB] & VIA1B_vRTCData); 222 } 223 224 /* Return RTC data line to output state */ 225 226 via1[vDirB] |= VIA1B_vRTCData; 227 228 return data; 229 } 230 231 static void via_pram_writebyte(__u8 data) 232 { 233 int i,reg,bit; 234 235 reg = via1[vBufB] & ~(VIA1B_vRTCClk | VIA1B_vRTCData); 236 237 /* The bits of the byte go in in MSB order */ 238 239 for (i = 0 ; i < 8 ; i++) { 240 bit = data & 0x80? 1 : 0; 241 data <<= 1; 242 via1[vBufB] = reg | bit; 243 via1[vBufB] = reg | bit | VIA1B_vRTCClk; 244 } 245 } 246 247 /* 248 * Execute a VIA PRAM/RTC command. For read commands 249 * data should point to a one-byte buffer for the 250 * resulting data. For write commands it should point 251 * to the data byte to for the command. 252 * 253 * This function disables all interrupts while running. 254 */ 255 256 static void via_pram_command(int command, __u8 *data) 257 { 258 unsigned long flags; 259 int is_read; 260 261 local_irq_save(flags); 262 263 /* Enable the RTC and make sure the strobe line is high */ 264 265 via1[vBufB] = (via1[vBufB] | VIA1B_vRTCClk) & ~VIA1B_vRTCEnb; 266 267 if (command & 0xFF00) { /* extended (two-byte) command */ 268 via_pram_writebyte((command & 0xFF00) >> 8); 269 via_pram_writebyte(command & 0xFF); 270 is_read = command & 0x8000; 271 } else { /* one-byte command */ 272 via_pram_writebyte(command); 273 is_read = command & 0x80; 274 } 275 if (is_read) { 276 *data = via_pram_readbyte(); 277 } else { 278 via_pram_writebyte(*data); 279 } 280 281 /* All done, disable the RTC */ 282 283 via1[vBufB] |= VIA1B_vRTCEnb; 284 285 local_irq_restore(flags); 286 } 287 288 static __u8 via_read_pram(int offset) 289 { 290 return 0; 291 } 292 293 static void via_write_pram(int offset, __u8 data) 294 { 295 } 296 297 /* 298 * Return the current time in seconds since January 1, 1904. 299 * 300 * This only works on machines with the VIA-based PRAM/RTC, which 301 * is basically any machine with Mac II-style ADB. 302 */ 303 304 static long via_read_time(void) 305 { 306 union { 307 __u8 cdata[4]; 308 long idata; 309 } result, last_result; 310 int count = 1; 311 312 via_pram_command(0x81, &last_result.cdata[3]); 313 via_pram_command(0x85, &last_result.cdata[2]); 314 via_pram_command(0x89, &last_result.cdata[1]); 315 via_pram_command(0x8D, &last_result.cdata[0]); 316 317 /* 318 * The NetBSD guys say to loop until you get the same reading 319 * twice in a row. 320 */ 321 322 while (1) { 323 via_pram_command(0x81, &result.cdata[3]); 324 via_pram_command(0x85, &result.cdata[2]); 325 via_pram_command(0x89, &result.cdata[1]); 326 via_pram_command(0x8D, &result.cdata[0]); 327 328 if (result.idata == last_result.idata) 329 return result.idata - RTC_OFFSET; 330 331 if (++count > 10) 332 break; 333 334 last_result.idata = result.idata; 335 } 336 337 pr_err("via_read_time: failed to read a stable value; " 338 "got 0x%08lx then 0x%08lx\n", 339 last_result.idata, result.idata); 340 341 return 0; 342 } 343 344 /* 345 * Set the current time to a number of seconds since January 1, 1904. 346 * 347 * This only works on machines with the VIA-based PRAM/RTC, which 348 * is basically any machine with Mac II-style ADB. 349 */ 350 351 static void via_write_time(long time) 352 { 353 union { 354 __u8 cdata[4]; 355 long idata; 356 } data; 357 __u8 temp; 358 359 /* Clear the write protect bit */ 360 361 temp = 0x55; 362 via_pram_command(0x35, &temp); 363 364 data.idata = time + RTC_OFFSET; 365 via_pram_command(0x01, &data.cdata[3]); 366 via_pram_command(0x05, &data.cdata[2]); 367 via_pram_command(0x09, &data.cdata[1]); 368 via_pram_command(0x0D, &data.cdata[0]); 369 370 /* Set the write protect bit */ 371 372 temp = 0xD5; 373 via_pram_command(0x35, &temp); 374 } 375 376 static void via_shutdown(void) 377 { 378 if (rbv_present) { 379 via2[rBufB] &= ~0x04; 380 } else { 381 /* Direction of vDirB is output */ 382 via2[vDirB] |= 0x04; 383 /* Send a value of 0 on that line */ 384 via2[vBufB] &= ~0x04; 385 mdelay(1000); 386 } 387 } 388 389 /* 390 * FIXME: not sure how this is supposed to work exactly... 391 */ 392 393 static void oss_shutdown(void) 394 { 395 oss->rom_ctrl = OSS_POWEROFF; 396 } 397 398 #ifdef CONFIG_ADB_CUDA 399 400 static void cuda_restart(void) 401 { 402 struct adb_request req; 403 if (cuda_request(&req, NULL, 2, CUDA_PACKET, CUDA_RESET_SYSTEM) < 0) 404 return; 405 while (!req.complete) 406 cuda_poll(); 407 } 408 409 static void cuda_shutdown(void) 410 { 411 struct adb_request req; 412 if (cuda_request(&req, NULL, 2, CUDA_PACKET, CUDA_POWERDOWN) < 0) 413 return; 414 while (!req.complete) 415 cuda_poll(); 416 } 417 418 #endif /* CONFIG_ADB_CUDA */ 419 420 #ifdef CONFIG_ADB_PMU68K 421 422 void pmu_restart(void) 423 { 424 struct adb_request req; 425 if (pmu_request(&req, NULL, 426 2, PMU_SET_INTR_MASK, PMU_INT_ADB|PMU_INT_TICK) < 0) 427 return; 428 while (!req.complete) 429 pmu_poll(); 430 if (pmu_request(&req, NULL, 1, PMU_RESET) < 0) 431 return; 432 while (!req.complete) 433 pmu_poll(); 434 } 435 436 void pmu_shutdown(void) 437 { 438 struct adb_request req; 439 if (pmu_request(&req, NULL, 440 2, PMU_SET_INTR_MASK, PMU_INT_ADB|PMU_INT_TICK) < 0) 441 return; 442 while (!req.complete) 443 pmu_poll(); 444 if (pmu_request(&req, NULL, 5, PMU_SHUTDOWN, 'M', 'A', 'T', 'T') < 0) 445 return; 446 while (!req.complete) 447 pmu_poll(); 448 } 449 450 #endif 451 452 /* 453 *------------------------------------------------------------------- 454 * Below this point are the generic routines; they'll dispatch to the 455 * correct routine for the hardware on which we're running. 456 *------------------------------------------------------------------- 457 */ 458 459 void mac_pram_read(int offset, __u8 *buffer, int len) 460 { 461 __u8 (*func)(int); 462 int i; 463 464 switch(macintosh_config->adb_type) { 465 case MAC_ADB_IISI: 466 func = maciisi_read_pram; break; 467 case MAC_ADB_PB1: 468 case MAC_ADB_PB2: 469 func = pmu_read_pram; break; 470 case MAC_ADB_CUDA: 471 func = cuda_read_pram; break; 472 default: 473 func = via_read_pram; 474 } 475 if (!func) 476 return; 477 for (i = 0 ; i < len ; i++) { 478 buffer[i] = (*func)(offset++); 479 } 480 } 481 482 void mac_pram_write(int offset, __u8 *buffer, int len) 483 { 484 void (*func)(int, __u8); 485 int i; 486 487 switch(macintosh_config->adb_type) { 488 case MAC_ADB_IISI: 489 func = maciisi_write_pram; break; 490 case MAC_ADB_PB1: 491 case MAC_ADB_PB2: 492 func = pmu_write_pram; break; 493 case MAC_ADB_CUDA: 494 func = cuda_write_pram; break; 495 default: 496 func = via_write_pram; 497 } 498 if (!func) 499 return; 500 for (i = 0 ; i < len ; i++) { 501 (*func)(offset++, buffer[i]); 502 } 503 } 504 505 void mac_poweroff(void) 506 { 507 /* 508 * MAC_ADB_IISI may need to be moved up here if it doesn't actually 509 * work using the ADB packet method. --David Kilzer 510 */ 511 512 if (oss_present) { 513 oss_shutdown(); 514 } else if (macintosh_config->adb_type == MAC_ADB_II) { 515 via_shutdown(); 516 #ifdef CONFIG_ADB_CUDA 517 } else if (macintosh_config->adb_type == MAC_ADB_CUDA) { 518 cuda_shutdown(); 519 #endif 520 #ifdef CONFIG_ADB_PMU68K 521 } else if (macintosh_config->adb_type == MAC_ADB_PB1 522 || macintosh_config->adb_type == MAC_ADB_PB2) { 523 pmu_shutdown(); 524 #endif 525 } 526 local_irq_enable(); 527 printk("It is now safe to turn off your Macintosh.\n"); 528 while(1); 529 } 530 531 void mac_reset(void) 532 { 533 if (macintosh_config->adb_type == MAC_ADB_II) { 534 unsigned long flags; 535 536 /* need ROMBASE in booter */ 537 /* indeed, plus need to MAP THE ROM !! */ 538 539 if (mac_bi_data.rombase == 0) 540 mac_bi_data.rombase = 0x40800000; 541 542 /* works on some */ 543 rom_reset = (void *) (mac_bi_data.rombase + 0xa); 544 545 if (macintosh_config->ident == MAC_MODEL_SE30) { 546 /* 547 * MSch: Machines known to crash on ROM reset ... 548 */ 549 } else { 550 local_irq_save(flags); 551 552 rom_reset(); 553 554 local_irq_restore(flags); 555 } 556 #ifdef CONFIG_ADB_CUDA 557 } else if (macintosh_config->adb_type == MAC_ADB_CUDA) { 558 cuda_restart(); 559 #endif 560 #ifdef CONFIG_ADB_PMU68K 561 } else if (macintosh_config->adb_type == MAC_ADB_PB1 562 || macintosh_config->adb_type == MAC_ADB_PB2) { 563 pmu_restart(); 564 #endif 565 } else if (CPU_IS_030) { 566 567 /* 030-specific reset routine. The idea is general, but the 568 * specific registers to reset are '030-specific. Until I 569 * have a non-030 machine, I can't test anything else. 570 * -- C. Scott Ananian <cananian@alumni.princeton.edu> 571 */ 572 573 unsigned long rombase = 0x40000000; 574 575 /* make a 1-to-1 mapping, using the transparent tran. reg. */ 576 unsigned long virt = (unsigned long) mac_reset; 577 unsigned long phys = virt_to_phys(mac_reset); 578 unsigned long addr = (phys&0xFF000000)|0x8777; 579 unsigned long offset = phys-virt; 580 local_irq_disable(); /* lets not screw this up, ok? */ 581 __asm__ __volatile__(".chip 68030\n\t" 582 "pmove %0,%/tt0\n\t" 583 ".chip 68k" 584 : : "m" (addr)); 585 /* Now jump to physical address so we can disable MMU */ 586 __asm__ __volatile__( 587 ".chip 68030\n\t" 588 "lea %/pc@(1f),%/a0\n\t" 589 "addl %0,%/a0\n\t"/* fixup target address and stack ptr */ 590 "addl %0,%/sp\n\t" 591 "pflusha\n\t" 592 "jmp %/a0@\n\t" /* jump into physical memory */ 593 "0:.long 0\n\t" /* a constant zero. */ 594 /* OK. Now reset everything and jump to reset vector. */ 595 "1:\n\t" 596 "lea %/pc@(0b),%/a0\n\t" 597 "pmove %/a0@, %/tc\n\t" /* disable mmu */ 598 "pmove %/a0@, %/tt0\n\t" /* disable tt0 */ 599 "pmove %/a0@, %/tt1\n\t" /* disable tt1 */ 600 "movel #0, %/a0\n\t" 601 "movec %/a0, %/vbr\n\t" /* clear vector base register */ 602 "movec %/a0, %/cacr\n\t" /* disable caches */ 603 "movel #0x0808,%/a0\n\t" 604 "movec %/a0, %/cacr\n\t" /* flush i&d caches */ 605 "movew #0x2700,%/sr\n\t" /* set up status register */ 606 "movel %1@(0x0),%/a0\n\t"/* load interrupt stack pointer */ 607 "movec %/a0, %/isp\n\t" 608 "movel %1@(0x4),%/a0\n\t" /* load reset vector */ 609 "reset\n\t" /* reset external devices */ 610 "jmp %/a0@\n\t" /* jump to the reset vector */ 611 ".chip 68k" 612 : : "r" (offset), "a" (rombase) : "a0"); 613 } 614 615 /* should never get here */ 616 local_irq_enable(); 617 printk ("Restart failed. Please restart manually.\n"); 618 while(1); 619 } 620 621 /* 622 * This function translates seconds since 1970 into a proper date. 623 * 624 * Algorithm cribbed from glibc2.1, __offtime(). 625 */ 626 #define SECS_PER_MINUTE (60) 627 #define SECS_PER_HOUR (SECS_PER_MINUTE * 60) 628 #define SECS_PER_DAY (SECS_PER_HOUR * 24) 629 630 static void unmktime(unsigned long time, long offset, 631 int *yearp, int *monp, int *dayp, 632 int *hourp, int *minp, int *secp) 633 { 634 /* How many days come before each month (0-12). */ 635 static const unsigned short int __mon_yday[2][13] = 636 { 637 /* Normal years. */ 638 { 0, 31, 59, 90, 120, 151, 181, 212, 243, 273, 304, 334, 365 }, 639 /* Leap years. */ 640 { 0, 31, 60, 91, 121, 152, 182, 213, 244, 274, 305, 335, 366 } 641 }; 642 long int days, rem, y, wday, yday; 643 const unsigned short int *ip; 644 645 days = time / SECS_PER_DAY; 646 rem = time % SECS_PER_DAY; 647 rem += offset; 648 while (rem < 0) { 649 rem += SECS_PER_DAY; 650 --days; 651 } 652 while (rem >= SECS_PER_DAY) { 653 rem -= SECS_PER_DAY; 654 ++days; 655 } 656 *hourp = rem / SECS_PER_HOUR; 657 rem %= SECS_PER_HOUR; 658 *minp = rem / SECS_PER_MINUTE; 659 *secp = rem % SECS_PER_MINUTE; 660 /* January 1, 1970 was a Thursday. */ 661 wday = (4 + days) % 7; /* Day in the week. Not currently used */ 662 if (wday < 0) wday += 7; 663 y = 1970; 664 665 #define DIV(a, b) ((a) / (b) - ((a) % (b) < 0)) 666 #define LEAPS_THRU_END_OF(y) (DIV (y, 4) - DIV (y, 100) + DIV (y, 400)) 667 #define __isleap(year) \ 668 ((year) % 4 == 0 && ((year) % 100 != 0 || (year) % 400 == 0)) 669 670 while (days < 0 || days >= (__isleap (y) ? 366 : 365)) 671 { 672 /* Guess a corrected year, assuming 365 days per year. */ 673 long int yg = y + days / 365 - (days % 365 < 0); 674 675 /* Adjust DAYS and Y to match the guessed year. */ 676 days -= ((yg - y) * 365 677 + LEAPS_THRU_END_OF (yg - 1) 678 - LEAPS_THRU_END_OF (y - 1)); 679 y = yg; 680 } 681 *yearp = y - 1900; 682 yday = days; /* day in the year. Not currently used. */ 683 ip = __mon_yday[__isleap(y)]; 684 for (y = 11; days < (long int) ip[y]; --y) 685 continue; 686 days -= ip[y]; 687 *monp = y; 688 *dayp = days + 1; /* day in the month */ 689 return; 690 } 691 692 /* 693 * Read/write the hardware clock. 694 */ 695 696 int mac_hwclk(int op, struct rtc_time *t) 697 { 698 unsigned long now; 699 700 if (!op) { /* read */ 701 switch (macintosh_config->adb_type) { 702 case MAC_ADB_II: 703 case MAC_ADB_IOP: 704 now = via_read_time(); 705 break; 706 case MAC_ADB_IISI: 707 now = maciisi_read_time(); 708 break; 709 case MAC_ADB_PB1: 710 case MAC_ADB_PB2: 711 now = pmu_read_time(); 712 break; 713 case MAC_ADB_CUDA: 714 now = cuda_read_time(); 715 break; 716 default: 717 now = 0; 718 } 719 720 t->tm_wday = 0; 721 unmktime(now, 0, 722 &t->tm_year, &t->tm_mon, &t->tm_mday, 723 &t->tm_hour, &t->tm_min, &t->tm_sec); 724 #if 0 725 printk("mac_hwclk: read %04d-%02d-%-2d %02d:%02d:%02d\n", 726 t->tm_year + 1900, t->tm_mon + 1, t->tm_mday, 727 t->tm_hour, t->tm_min, t->tm_sec); 728 #endif 729 } else { /* write */ 730 #if 0 731 printk("mac_hwclk: tried to write %04d-%02d-%-2d %02d:%02d:%02d\n", 732 t->tm_year + 1900, t->tm_mon + 1, t->tm_mday, 733 t->tm_hour, t->tm_min, t->tm_sec); 734 #endif 735 736 now = mktime(t->tm_year + 1900, t->tm_mon + 1, t->tm_mday, 737 t->tm_hour, t->tm_min, t->tm_sec); 738 739 switch (macintosh_config->adb_type) { 740 case MAC_ADB_II: 741 case MAC_ADB_IOP: 742 via_write_time(now); 743 break; 744 case MAC_ADB_CUDA: 745 cuda_write_time(now); 746 break; 747 case MAC_ADB_PB1: 748 case MAC_ADB_PB2: 749 pmu_write_time(now); 750 break; 751 case MAC_ADB_IISI: 752 maciisi_write_time(now); 753 } 754 } 755 return 0; 756 } 757 758 /* 759 * Set minutes/seconds in the hardware clock 760 */ 761 762 int mac_set_clock_mmss (unsigned long nowtime) 763 { 764 struct rtc_time now; 765 766 mac_hwclk(0, &now); 767 now.tm_sec = nowtime % 60; 768 now.tm_min = (nowtime / 60) % 60; 769 mac_hwclk(1, &now); 770 771 return 0; 772 } 773