1/* 2 * Definitions for the M48Txx and mc146818 series of Time of day/Real Time 3 * Clock chips. 4 * 5 * Author: Mark A. Greer 6 * mgreer@mvista.com 7 * 8 * 2001 (c) MontaVista, Software, Inc. This file is licensed under 9 * the terms of the GNU General Public License version 2. This program 10 * is licensed "as is" without any warranty of any kind, whether express 11 * or implied. 12 */ 13 14/* 15 * Support for the M48T37/M48T59/.../mc146818 Real Time Clock chips. 16 * Purpose is to make one generic file that handles all of these chips instead 17 * of every platform implementing the same code over & over again. 18 */ 19 20#ifndef __PPC_KERNEL_TODC_H 21#define __PPC_KERNEL_TODC_H 22 23typedef struct { 24 uint rtc_type; /* your particular chip */ 25 26 /* 27 * Following are the addresses of the AS0, AS1, and DATA registers 28 * of these chips. Note that these are board-specific. 29 */ 30 unsigned int nvram_as0; 31 unsigned int nvram_as1; 32 unsigned int nvram_data; 33 34 /* 35 * Define bits to stop external set of regs from changing so 36 * the chip can be read/written reliably. 37 */ 38 unsigned char enable_read; 39 unsigned char enable_write; 40 41 /* 42 * Following is the number of AS0 address bits. This is normally 43 * 8 but some bad hardware routes address lines incorrectly. 44 */ 45 int as0_bits; 46 47 int nvram_size; /* Size of NVRAM on chip */ 48 int sw_flags; /* Software control flags */ 49 50 /* Following are the register offsets for the particular chip */ 51 int year; 52 int month; 53 int day_of_month; 54 int day_of_week; 55 int hours; 56 int minutes; 57 int seconds; 58 int control_b; 59 int control_a; 60 int watchdog; 61 int interrupts; 62 int alarm_date; 63 int alarm_hour; 64 int alarm_minutes; 65 int alarm_seconds; 66 int century; 67 int flags; 68 69 /* 70 * Some RTC chips have their NVRAM buried behind a addr/data pair of 71 * regs on the first level/clock registers. The following fields 72 * are the addresses for those addr/data regs. 73 */ 74 int nvram_addr_reg; 75 int nvram_data_reg; 76} todc_info_t; 77 78/* 79 * Define the types of TODC/RTC variants that are supported in 80 * arch/ppc/kernel/todc_time.c 81 * Make a new one of these for any chip somehow differs from what's already 82 * defined. That way, if you ever need to put in code to touch those 83 * bits/registers in todc_time.c, you can put it inside an 84 * 'if (todc_info->rtc_type == TODC_TYPE_XXX)' so you won't break 85 * anyone else. 86 */ 87#define TODC_TYPE_MK48T35 1 88#define TODC_TYPE_MK48T37 2 89#define TODC_TYPE_MK48T59 3 90#define TODC_TYPE_DS1693 4 /* Dallas DS1693 RTC */ 91#define TODC_TYPE_DS1743 5 /* Dallas DS1743 RTC */ 92#define TODC_TYPE_DS1746 6 /* Dallas DS1746 RTC */ 93#define TODC_TYPE_DS1747 7 /* Dallas DS1747 RTC */ 94#define TODC_TYPE_DS1501 8 /* Dallas DS1501 RTC */ 95#define TODC_TYPE_DS1643 9 /* Dallas DS1643 RTC */ 96#define TODC_TYPE_PC97307 10 /* PC97307 internal RTC */ 97#define TODC_TYPE_DS1557 11 /* Dallas DS1557 RTC */ 98#define TODC_TYPE_DS17285 12 /* Dallas DS17285 RTC */ 99#define TODC_TYPE_DS1553 13 /* Dallas DS1553 RTC */ 100#define TODC_TYPE_MC146818 100 /* Leave room for m48txx's */ 101 102/* 103 * Bit to clear/set to enable reads/writes to the chip 104 */ 105#define TODC_MK48TXX_CNTL_A_R 0x40 106#define TODC_MK48TXX_CNTL_A_W 0x80 107#define TODC_MK48TXX_DAY_CB 0x80 108 109#define TODC_DS1501_CNTL_B_TE 0x80 110 111/* 112 * Define flag bits used by todc routines. 113 */ 114#define TODC_FLAG_2_LEVEL_NVRAM 0x00000001 115 116/* 117 * Define the values for the various RTC's that should to into the todc_info 118 * table. 119 * Note: The XXX_NVRAM_SIZE, XXX_NVRAM_ADDR_REG, and XXX_NVRAM_DATA_REG only 120 * matter if XXX_SW_FLAGS has TODC_FLAG_2_LEVEL_NVRAM set. 121 */ 122#define TODC_TYPE_MK48T35_NVRAM_SIZE 0x7ff8 123#define TODC_TYPE_MK48T35_SW_FLAGS 0 124#define TODC_TYPE_MK48T35_YEAR 0x7fff 125#define TODC_TYPE_MK48T35_MONTH 0x7ffe 126#define TODC_TYPE_MK48T35_DOM 0x7ffd /* Day of Month */ 127#define TODC_TYPE_MK48T35_DOW 0x7ffc /* Day of Week */ 128#define TODC_TYPE_MK48T35_HOURS 0x7ffb 129#define TODC_TYPE_MK48T35_MINUTES 0x7ffa 130#define TODC_TYPE_MK48T35_SECONDS 0x7ff9 131#define TODC_TYPE_MK48T35_CNTL_B 0x7ff9 132#define TODC_TYPE_MK48T35_CNTL_A 0x7ff8 133#define TODC_TYPE_MK48T35_WATCHDOG 0x0000 134#define TODC_TYPE_MK48T35_INTERRUPTS 0x0000 135#define TODC_TYPE_MK48T35_ALARM_DATE 0x0000 136#define TODC_TYPE_MK48T35_ALARM_HOUR 0x0000 137#define TODC_TYPE_MK48T35_ALARM_MINUTES 0x0000 138#define TODC_TYPE_MK48T35_ALARM_SECONDS 0x0000 139#define TODC_TYPE_MK48T35_CENTURY 0x0000 140#define TODC_TYPE_MK48T35_FLAGS 0x0000 141#define TODC_TYPE_MK48T35_NVRAM_ADDR_REG 0 142#define TODC_TYPE_MK48T35_NVRAM_DATA_REG 0 143 144#define TODC_TYPE_MK48T37_NVRAM_SIZE 0x7ff0 145#define TODC_TYPE_MK48T37_SW_FLAGS 0 146#define TODC_TYPE_MK48T37_YEAR 0x7fff 147#define TODC_TYPE_MK48T37_MONTH 0x7ffe 148#define TODC_TYPE_MK48T37_DOM 0x7ffd /* Day of Month */ 149#define TODC_TYPE_MK48T37_DOW 0x7ffc /* Day of Week */ 150#define TODC_TYPE_MK48T37_HOURS 0x7ffb 151#define TODC_TYPE_MK48T37_MINUTES 0x7ffa 152#define TODC_TYPE_MK48T37_SECONDS 0x7ff9 153#define TODC_TYPE_MK48T37_CNTL_B 0x7ff9 154#define TODC_TYPE_MK48T37_CNTL_A 0x7ff8 155#define TODC_TYPE_MK48T37_WATCHDOG 0x7ff7 156#define TODC_TYPE_MK48T37_INTERRUPTS 0x7ff6 157#define TODC_TYPE_MK48T37_ALARM_DATE 0x7ff5 158#define TODC_TYPE_MK48T37_ALARM_HOUR 0x7ff4 159#define TODC_TYPE_MK48T37_ALARM_MINUTES 0x7ff3 160#define TODC_TYPE_MK48T37_ALARM_SECONDS 0x7ff2 161#define TODC_TYPE_MK48T37_CENTURY 0x7ff1 162#define TODC_TYPE_MK48T37_FLAGS 0x7ff0 163#define TODC_TYPE_MK48T37_NVRAM_ADDR_REG 0 164#define TODC_TYPE_MK48T37_NVRAM_DATA_REG 0 165 166#define TODC_TYPE_MK48T59_NVRAM_SIZE 0x1ff0 167#define TODC_TYPE_MK48T59_SW_FLAGS 0 168#define TODC_TYPE_MK48T59_YEAR 0x1fff 169#define TODC_TYPE_MK48T59_MONTH 0x1ffe 170#define TODC_TYPE_MK48T59_DOM 0x1ffd /* Day of Month */ 171#define TODC_TYPE_MK48T59_DOW 0x1ffc /* Day of Week */ 172#define TODC_TYPE_MK48T59_HOURS 0x1ffb 173#define TODC_TYPE_MK48T59_MINUTES 0x1ffa 174#define TODC_TYPE_MK48T59_SECONDS 0x1ff9 175#define TODC_TYPE_MK48T59_CNTL_B 0x1ff9 176#define TODC_TYPE_MK48T59_CNTL_A 0x1ff8 177#define TODC_TYPE_MK48T59_WATCHDOG 0x1fff 178#define TODC_TYPE_MK48T59_INTERRUPTS 0x1fff 179#define TODC_TYPE_MK48T59_ALARM_DATE 0x1fff 180#define TODC_TYPE_MK48T59_ALARM_HOUR 0x1fff 181#define TODC_TYPE_MK48T59_ALARM_MINUTES 0x1fff 182#define TODC_TYPE_MK48T59_ALARM_SECONDS 0x1fff 183#define TODC_TYPE_MK48T59_CENTURY 0x1fff 184#define TODC_TYPE_MK48T59_FLAGS 0x1fff 185#define TODC_TYPE_MK48T59_NVRAM_ADDR_REG 0 186#define TODC_TYPE_MK48T59_NVRAM_DATA_REG 0 187 188#define TODC_TYPE_DS1501_NVRAM_SIZE 0x100 189#define TODC_TYPE_DS1501_SW_FLAGS TODC_FLAG_2_LEVEL_NVRAM 190#define TODC_TYPE_DS1501_YEAR (TODC_TYPE_DS1501_NVRAM_SIZE + 0x06) 191#define TODC_TYPE_DS1501_MONTH (TODC_TYPE_DS1501_NVRAM_SIZE + 0x05) 192#define TODC_TYPE_DS1501_DOM (TODC_TYPE_DS1501_NVRAM_SIZE + 0x04) 193#define TODC_TYPE_DS1501_DOW (TODC_TYPE_DS1501_NVRAM_SIZE + 0x03) 194#define TODC_TYPE_DS1501_HOURS (TODC_TYPE_DS1501_NVRAM_SIZE + 0x02) 195#define TODC_TYPE_DS1501_MINUTES (TODC_TYPE_DS1501_NVRAM_SIZE + 0x01) 196#define TODC_TYPE_DS1501_SECONDS (TODC_TYPE_DS1501_NVRAM_SIZE + 0x00) 197#define TODC_TYPE_DS1501_CNTL_B (TODC_TYPE_DS1501_NVRAM_SIZE + 0x0f) 198#define TODC_TYPE_DS1501_CNTL_A (TODC_TYPE_DS1501_NVRAM_SIZE + 0x0f) 199#define TODC_TYPE_DS1501_WATCHDOG (TODC_TYPE_DS1501_NVRAM_SIZE + 0xff) 200#define TODC_TYPE_DS1501_INTERRUPTS (TODC_TYPE_DS1501_NVRAM_SIZE + 0xff) 201#define TODC_TYPE_DS1501_ALARM_DATE (TODC_TYPE_DS1501_NVRAM_SIZE + 0x0b) 202#define TODC_TYPE_DS1501_ALARM_HOUR (TODC_TYPE_DS1501_NVRAM_SIZE + 0x0a) 203#define TODC_TYPE_DS1501_ALARM_MINUTES (TODC_TYPE_DS1501_NVRAM_SIZE + 0x09) 204#define TODC_TYPE_DS1501_ALARM_SECONDS (TODC_TYPE_DS1501_NVRAM_SIZE + 0x08) 205#define TODC_TYPE_DS1501_CENTURY (TODC_TYPE_DS1501_NVRAM_SIZE + 0x07) 206#define TODC_TYPE_DS1501_FLAGS (TODC_TYPE_DS1501_NVRAM_SIZE + 0xff) 207#define TODC_TYPE_DS1501_NVRAM_ADDR_REG 0x10 208#define TODC_TYPE_DS1501_NVRAM_DATA_REG 0x13 209 210#define TODC_TYPE_DS1553_NVRAM_SIZE 0x1ff0 211#define TODC_TYPE_DS1553_SW_FLAGS 0 212#define TODC_TYPE_DS1553_YEAR 0x1fff 213#define TODC_TYPE_DS1553_MONTH 0x1ffe 214#define TODC_TYPE_DS1553_DOM 0x1ffd /* Day of Month */ 215#define TODC_TYPE_DS1553_DOW 0x1ffc /* Day of Week */ 216#define TODC_TYPE_DS1553_HOURS 0x1ffb 217#define TODC_TYPE_DS1553_MINUTES 0x1ffa 218#define TODC_TYPE_DS1553_SECONDS 0x1ff9 219#define TODC_TYPE_DS1553_CNTL_B 0x1ff9 220#define TODC_TYPE_DS1553_CNTL_A 0x1ff8 /* control_a R/W regs */ 221#define TODC_TYPE_DS1553_WATCHDOG 0x1ff7 222#define TODC_TYPE_DS1553_INTERRUPTS 0x1ff6 223#define TODC_TYPE_DS1553_ALARM_DATE 0x1ff5 224#define TODC_TYPE_DS1553_ALARM_HOUR 0x1ff4 225#define TODC_TYPE_DS1553_ALARM_MINUTES 0x1ff3 226#define TODC_TYPE_DS1553_ALARM_SECONDS 0x1ff2 227#define TODC_TYPE_DS1553_CENTURY 0x1ff8 228#define TODC_TYPE_DS1553_FLAGS 0x1ff0 229#define TODC_TYPE_DS1553_NVRAM_ADDR_REG 0 230#define TODC_TYPE_DS1553_NVRAM_DATA_REG 0 231 232#define TODC_TYPE_DS1557_NVRAM_SIZE 0x7fff0 233#define TODC_TYPE_DS1557_SW_FLAGS 0 234#define TODC_TYPE_DS1557_YEAR 0x7ffff 235#define TODC_TYPE_DS1557_MONTH 0x7fffe 236#define TODC_TYPE_DS1557_DOM 0x7fffd /* Day of Month */ 237#define TODC_TYPE_DS1557_DOW 0x7fffc /* Day of Week */ 238#define TODC_TYPE_DS1557_HOURS 0x7fffb 239#define TODC_TYPE_DS1557_MINUTES 0x7fffa 240#define TODC_TYPE_DS1557_SECONDS 0x7fff9 241#define TODC_TYPE_DS1557_CNTL_B 0x7fff9 242#define TODC_TYPE_DS1557_CNTL_A 0x7fff8 /* control_a R/W regs */ 243#define TODC_TYPE_DS1557_WATCHDOG 0x7fff7 244#define TODC_TYPE_DS1557_INTERRUPTS 0x7fff6 245#define TODC_TYPE_DS1557_ALARM_DATE 0x7fff5 246#define TODC_TYPE_DS1557_ALARM_HOUR 0x7fff4 247#define TODC_TYPE_DS1557_ALARM_MINUTES 0x7fff3 248#define TODC_TYPE_DS1557_ALARM_SECONDS 0x7fff2 249#define TODC_TYPE_DS1557_CENTURY 0x7fff8 250#define TODC_TYPE_DS1557_FLAGS 0x7fff0 251#define TODC_TYPE_DS1557_NVRAM_ADDR_REG 0 252#define TODC_TYPE_DS1557_NVRAM_DATA_REG 0 253 254#define TODC_TYPE_DS1643_NVRAM_SIZE 0x1ff8 255#define TODC_TYPE_DS1643_SW_FLAGS 0 256#define TODC_TYPE_DS1643_YEAR 0x1fff 257#define TODC_TYPE_DS1643_MONTH 0x1ffe 258#define TODC_TYPE_DS1643_DOM 0x1ffd /* Day of Month */ 259#define TODC_TYPE_DS1643_DOW 0x1ffc /* Day of Week */ 260#define TODC_TYPE_DS1643_HOURS 0x1ffb 261#define TODC_TYPE_DS1643_MINUTES 0x1ffa 262#define TODC_TYPE_DS1643_SECONDS 0x1ff9 263#define TODC_TYPE_DS1643_CNTL_B 0x1ff9 264#define TODC_TYPE_DS1643_CNTL_A 0x1ff8 /* control_a R/W regs */ 265#define TODC_TYPE_DS1643_WATCHDOG 0x1fff 266#define TODC_TYPE_DS1643_INTERRUPTS 0x1fff 267#define TODC_TYPE_DS1643_ALARM_DATE 0x1fff 268#define TODC_TYPE_DS1643_ALARM_HOUR 0x1fff 269#define TODC_TYPE_DS1643_ALARM_MINUTES 0x1fff 270#define TODC_TYPE_DS1643_ALARM_SECONDS 0x1fff 271#define TODC_TYPE_DS1643_CENTURY 0x1ff8 272#define TODC_TYPE_DS1643_FLAGS 0x1fff 273#define TODC_TYPE_DS1643_NVRAM_ADDR_REG 0 274#define TODC_TYPE_DS1643_NVRAM_DATA_REG 0 275 276#define TODC_TYPE_DS1693_NVRAM_SIZE 0 /* Not handled yet */ 277#define TODC_TYPE_DS1693_SW_FLAGS 0 278#define TODC_TYPE_DS1693_YEAR 0x09 279#define TODC_TYPE_DS1693_MONTH 0x08 280#define TODC_TYPE_DS1693_DOM 0x07 /* Day of Month */ 281#define TODC_TYPE_DS1693_DOW 0x06 /* Day of Week */ 282#define TODC_TYPE_DS1693_HOURS 0x04 283#define TODC_TYPE_DS1693_MINUTES 0x02 284#define TODC_TYPE_DS1693_SECONDS 0x00 285#define TODC_TYPE_DS1693_CNTL_B 0x0b 286#define TODC_TYPE_DS1693_CNTL_A 0x0a 287#define TODC_TYPE_DS1693_WATCHDOG 0xff 288#define TODC_TYPE_DS1693_INTERRUPTS 0xff 289#define TODC_TYPE_DS1693_ALARM_DATE 0x49 290#define TODC_TYPE_DS1693_ALARM_HOUR 0x05 291#define TODC_TYPE_DS1693_ALARM_MINUTES 0x03 292#define TODC_TYPE_DS1693_ALARM_SECONDS 0x01 293#define TODC_TYPE_DS1693_CENTURY 0x48 294#define TODC_TYPE_DS1693_FLAGS 0xff 295#define TODC_TYPE_DS1693_NVRAM_ADDR_REG 0 296#define TODC_TYPE_DS1693_NVRAM_DATA_REG 0 297 298#define TODC_TYPE_DS1743_NVRAM_SIZE 0x1ff8 299#define TODC_TYPE_DS1743_SW_FLAGS 0 300#define TODC_TYPE_DS1743_YEAR 0x1fff 301#define TODC_TYPE_DS1743_MONTH 0x1ffe 302#define TODC_TYPE_DS1743_DOM 0x1ffd /* Day of Month */ 303#define TODC_TYPE_DS1743_DOW 0x1ffc /* Day of Week */ 304#define TODC_TYPE_DS1743_HOURS 0x1ffb 305#define TODC_TYPE_DS1743_MINUTES 0x1ffa 306#define TODC_TYPE_DS1743_SECONDS 0x1ff9 307#define TODC_TYPE_DS1743_CNTL_B 0x1ff9 308#define TODC_TYPE_DS1743_CNTL_A 0x1ff8 /* control_a R/W regs */ 309#define TODC_TYPE_DS1743_WATCHDOG 0x1fff 310#define TODC_TYPE_DS1743_INTERRUPTS 0x1fff 311#define TODC_TYPE_DS1743_ALARM_DATE 0x1fff 312#define TODC_TYPE_DS1743_ALARM_HOUR 0x1fff 313#define TODC_TYPE_DS1743_ALARM_MINUTES 0x1fff 314#define TODC_TYPE_DS1743_ALARM_SECONDS 0x1fff 315#define TODC_TYPE_DS1743_CENTURY 0x1ff8 316#define TODC_TYPE_DS1743_FLAGS 0x1fff 317#define TODC_TYPE_DS1743_NVRAM_ADDR_REG 0 318#define TODC_TYPE_DS1743_NVRAM_DATA_REG 0 319 320#define TODC_TYPE_DS1746_NVRAM_SIZE 0x1fff8 321#define TODC_TYPE_DS1746_SW_FLAGS 0 322#define TODC_TYPE_DS1746_YEAR 0x1ffff 323#define TODC_TYPE_DS1746_MONTH 0x1fffe 324#define TODC_TYPE_DS1746_DOM 0x1fffd /* Day of Month */ 325#define TODC_TYPE_DS1746_DOW 0x1fffc /* Day of Week */ 326#define TODC_TYPE_DS1746_HOURS 0x1fffb 327#define TODC_TYPE_DS1746_MINUTES 0x1fffa 328#define TODC_TYPE_DS1746_SECONDS 0x1fff9 329#define TODC_TYPE_DS1746_CNTL_B 0x1fff9 330#define TODC_TYPE_DS1746_CNTL_A 0x1fff8 /* control_a R/W regs */ 331#define TODC_TYPE_DS1746_WATCHDOG 0x00000 332#define TODC_TYPE_DS1746_INTERRUPTS 0x00000 333#define TODC_TYPE_DS1746_ALARM_DATE 0x00000 334#define TODC_TYPE_DS1746_ALARM_HOUR 0x00000 335#define TODC_TYPE_DS1746_ALARM_MINUTES 0x00000 336#define TODC_TYPE_DS1746_ALARM_SECONDS 0x00000 337#define TODC_TYPE_DS1746_CENTURY 0x00000 338#define TODC_TYPE_DS1746_FLAGS 0x00000 339#define TODC_TYPE_DS1746_NVRAM_ADDR_REG 0 340#define TODC_TYPE_DS1746_NVRAM_DATA_REG 0 341 342#define TODC_TYPE_DS1747_NVRAM_SIZE 0x7fff8 343#define TODC_TYPE_DS1747_SW_FLAGS 0 344#define TODC_TYPE_DS1747_YEAR 0x7ffff 345#define TODC_TYPE_DS1747_MONTH 0x7fffe 346#define TODC_TYPE_DS1747_DOM 0x7fffd /* Day of Month */ 347#define TODC_TYPE_DS1747_DOW 0x7fffc /* Day of Week */ 348#define TODC_TYPE_DS1747_HOURS 0x7fffb 349#define TODC_TYPE_DS1747_MINUTES 0x7fffa 350#define TODC_TYPE_DS1747_SECONDS 0x7fff9 351#define TODC_TYPE_DS1747_CNTL_B 0x7fff9 352#define TODC_TYPE_DS1747_CNTL_A 0x7fff8 /* control_a R/W regs */ 353#define TODC_TYPE_DS1747_WATCHDOG 0x00000 354#define TODC_TYPE_DS1747_INTERRUPTS 0x00000 355#define TODC_TYPE_DS1747_ALARM_DATE 0x00000 356#define TODC_TYPE_DS1747_ALARM_HOUR 0x00000 357#define TODC_TYPE_DS1747_ALARM_MINUTES 0x00000 358#define TODC_TYPE_DS1747_ALARM_SECONDS 0x00000 359#define TODC_TYPE_DS1747_CENTURY 0x00000 360#define TODC_TYPE_DS1747_FLAGS 0x00000 361#define TODC_TYPE_DS1747_NVRAM_ADDR_REG 0 362#define TODC_TYPE_DS1747_NVRAM_DATA_REG 0 363 364#define TODC_TYPE_DS17285_NVRAM_SIZE (0x1000-0x80) /* 4Kx8 NVRAM (minus RTC regs) */ 365#define TODC_TYPE_DS17285_SW_FLAGS TODC_FLAG_2_LEVEL_NVRAM 366#define TODC_TYPE_DS17285_SECONDS (TODC_TYPE_DS17285_NVRAM_SIZE + 0x00) 367#define TODC_TYPE_DS17285_ALARM_SECONDS (TODC_TYPE_DS17285_NVRAM_SIZE + 0x01) 368#define TODC_TYPE_DS17285_MINUTES (TODC_TYPE_DS17285_NVRAM_SIZE + 0x02) 369#define TODC_TYPE_DS17285_ALARM_MINUTES (TODC_TYPE_DS17285_NVRAM_SIZE + 0x03) 370#define TODC_TYPE_DS17285_HOURS (TODC_TYPE_DS17285_NVRAM_SIZE + 0x04) 371#define TODC_TYPE_DS17285_ALARM_HOUR (TODC_TYPE_DS17285_NVRAM_SIZE + 0x05) 372#define TODC_TYPE_DS17285_DOW (TODC_TYPE_DS17285_NVRAM_SIZE + 0x06) 373#define TODC_TYPE_DS17285_DOM (TODC_TYPE_DS17285_NVRAM_SIZE + 0x07) 374#define TODC_TYPE_DS17285_MONTH (TODC_TYPE_DS17285_NVRAM_SIZE + 0x08) 375#define TODC_TYPE_DS17285_YEAR (TODC_TYPE_DS17285_NVRAM_SIZE + 0x09) 376#define TODC_TYPE_DS17285_CNTL_A (TODC_TYPE_DS17285_NVRAM_SIZE + 0x0A) 377#define TODC_TYPE_DS17285_CNTL_B (TODC_TYPE_DS17285_NVRAM_SIZE + 0x0B) 378#define TODC_TYPE_DS17285_CNTL_C (TODC_TYPE_DS17285_NVRAM_SIZE + 0x0C) 379#define TODC_TYPE_DS17285_CNTL_D (TODC_TYPE_DS17285_NVRAM_SIZE + 0x0D) 380#define TODC_TYPE_DS17285_WATCHDOG 0 381#define TODC_TYPE_DS17285_INTERRUPTS 0 382#define TODC_TYPE_DS17285_ALARM_DATE 0 383#define TODC_TYPE_DS17285_CENTURY 0 384#define TODC_TYPE_DS17285_FLAGS 0 385#define TODC_TYPE_DS17285_NVRAM_ADDR_REG 0x50 386#define TODC_TYPE_DS17285_NVRAM_DATA_REG 0x53 387 388#define TODC_TYPE_MC146818_NVRAM_SIZE 0 389#define TODC_TYPE_MC146818_SW_FLAGS 0 390#define TODC_TYPE_MC146818_YEAR 0x09 391#define TODC_TYPE_MC146818_MONTH 0x08 392#define TODC_TYPE_MC146818_DOM 0x07 /* Day of Month */ 393#define TODC_TYPE_MC146818_DOW 0x06 /* Day of Week */ 394#define TODC_TYPE_MC146818_HOURS 0x04 395#define TODC_TYPE_MC146818_MINUTES 0x02 396#define TODC_TYPE_MC146818_SECONDS 0x00 397#define TODC_TYPE_MC146818_CNTL_B 0x0a 398#define TODC_TYPE_MC146818_CNTL_A 0x0b /* control_a R/W regs */ 399#define TODC_TYPE_MC146818_WATCHDOG 0 400#define TODC_TYPE_MC146818_INTERRUPTS 0x0c 401#define TODC_TYPE_MC146818_ALARM_DATE 0xff 402#define TODC_TYPE_MC146818_ALARM_HOUR 0x05 403#define TODC_TYPE_MC146818_ALARM_MINUTES 0x03 404#define TODC_TYPE_MC146818_ALARM_SECONDS 0x01 405#define TODC_TYPE_MC146818_CENTURY 0xff 406#define TODC_TYPE_MC146818_FLAGS 0xff 407#define TODC_TYPE_MC146818_NVRAM_ADDR_REG 0 408#define TODC_TYPE_MC146818_NVRAM_DATA_REG 0 409 410#define TODC_TYPE_PC97307_NVRAM_SIZE 0 /* No NVRAM? */ 411#define TODC_TYPE_PC97307_SW_FLAGS 0 412#define TODC_TYPE_PC97307_YEAR 0x09 413#define TODC_TYPE_PC97307_MONTH 0x08 414#define TODC_TYPE_PC97307_DOM 0x07 /* Day of Month */ 415#define TODC_TYPE_PC97307_DOW 0x06 /* Day of Week */ 416#define TODC_TYPE_PC97307_HOURS 0x04 417#define TODC_TYPE_PC97307_MINUTES 0x02 418#define TODC_TYPE_PC97307_SECONDS 0x00 419#define TODC_TYPE_PC97307_CNTL_B 0x0a 420#define TODC_TYPE_PC97307_CNTL_A 0x0b /* control_a R/W regs */ 421#define TODC_TYPE_PC97307_WATCHDOG 0x0c 422#define TODC_TYPE_PC97307_INTERRUPTS 0x0d 423#define TODC_TYPE_PC97307_ALARM_DATE 0xff 424#define TODC_TYPE_PC97307_ALARM_HOUR 0x05 425#define TODC_TYPE_PC97307_ALARM_MINUTES 0x03 426#define TODC_TYPE_PC97307_ALARM_SECONDS 0x01 427#define TODC_TYPE_PC97307_CENTURY 0xff 428#define TODC_TYPE_PC97307_FLAGS 0xff 429#define TODC_TYPE_PC97307_NVRAM_ADDR_REG 0 430#define TODC_TYPE_PC97307_NVRAM_DATA_REG 0 431 432/* 433 * Define macros to allocate and init the todc_info_t table that will 434 * be used by the todc_time.c routines. 435 */ 436#define TODC_ALLOC() \ 437 static todc_info_t todc_info_alloc; \ 438 todc_info_t *todc_info = &todc_info_alloc; 439 440#define TODC_INIT(clock_type, as0, as1, data, bits) { \ 441 todc_info->rtc_type = clock_type; \ 442 \ 443 todc_info->nvram_as0 = (unsigned int)(as0); \ 444 todc_info->nvram_as1 = (unsigned int)(as1); \ 445 todc_info->nvram_data = (unsigned int)(data); \ 446 \ 447 todc_info->as0_bits = (bits); \ 448 \ 449 todc_info->nvram_size = clock_type ##_NVRAM_SIZE; \ 450 todc_info->sw_flags = clock_type ##_SW_FLAGS; \ 451 \ 452 todc_info->year = clock_type ##_YEAR; \ 453 todc_info->month = clock_type ##_MONTH; \ 454 todc_info->day_of_month = clock_type ##_DOM; \ 455 todc_info->day_of_week = clock_type ##_DOW; \ 456 todc_info->hours = clock_type ##_HOURS; \ 457 todc_info->minutes = clock_type ##_MINUTES; \ 458 todc_info->seconds = clock_type ##_SECONDS; \ 459 todc_info->control_b = clock_type ##_CNTL_B; \ 460 todc_info->control_a = clock_type ##_CNTL_A; \ 461 todc_info->watchdog = clock_type ##_WATCHDOG; \ 462 todc_info->interrupts = clock_type ##_INTERRUPTS; \ 463 todc_info->alarm_date = clock_type ##_ALARM_DATE; \ 464 todc_info->alarm_hour = clock_type ##_ALARM_HOUR; \ 465 todc_info->alarm_minutes = clock_type ##_ALARM_MINUTES; \ 466 todc_info->alarm_seconds = clock_type ##_ALARM_SECONDS; \ 467 todc_info->century = clock_type ##_CENTURY; \ 468 todc_info->flags = clock_type ##_FLAGS; \ 469 \ 470 todc_info->nvram_addr_reg = clock_type ##_NVRAM_ADDR_REG; \ 471 todc_info->nvram_data_reg = clock_type ##_NVRAM_DATA_REG; \ 472} 473 474extern todc_info_t *todc_info; 475 476unsigned char todc_direct_read_val(int addr); 477void todc_direct_write_val(int addr, unsigned char val); 478unsigned char todc_m48txx_read_val(int addr); 479void todc_m48txx_write_val(int addr, unsigned char val); 480unsigned char todc_mc146818_read_val(int addr); 481void todc_mc146818_write_val(int addr, unsigned char val); 482 483long todc_time_init(void); 484unsigned long todc_get_rtc_time(void); 485int todc_set_rtc_time(unsigned long nowtime); 486void todc_calibrate_decr(void); 487 488#endif /* __PPC_KERNEL_TODC_H */ 489