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