projects / linux-2.6 / blame
| Commit | Line | Data |
|---|---|---|
| c2201536 MG |
1 | /* |
| 2 | * Definitions for the M48Txx and mc146818 series of Time of day/Real Time | |
| 3 | * Clock chips. | |
| 4 | * | |
| 5 | * Author: Mark A. Greer <mgreer@mvista.com> | |
| 6 | * | |
| 7 | * 2001 (c) MontaVista, Software, Inc. This file is licensed under | |
| 8 | * the terms of the GNU General Public License version 2. This program | |
| 9 | * is licensed "as is" without any warranty of any kind, whether express | |
| 10 | * or implied. | |
| 11 | */ | |
| 12 | ||
| 13 | /* | |
| 14 | * Support for the M48T37/M48T59/.../mc146818 Real Time Clock chips. | |
| 15 | * Purpose is to make one generic file that handles all of these chips instead | |
| 16 | * of every platform implementing the same code over & over again. | |
| 17 | */ | |
| 18 | ||
| 19 | #ifndef __PPC_KERNEL_TODC_H | |
| 20 | #define __PPC_KERNEL_TODC_H | |
| 21 | ||
| 22 | typedef struct { | |
| 23 | uint rtc_type; /* your particular chip */ | |
| 24 | ||
| 25 | /* | |
| 26 | * Following are the addresses of the AS0, AS1, and DATA registers | |
| 27 | * of these chips. Note that these are board-specific. | |
| 28 | */ | |
| 29 | unsigned int nvram_as0; | |
| 30 | unsigned int nvram_as1; | |
| 31 | unsigned int nvram_data; | |
| 32 | ||
| 33 | /* | |
| 34 | * Define bits to stop external set of regs from changing so | |
| 35 | * the chip can be read/written reliably. | |
| 36 | */ | |
| 37 | unsigned char enable_read; | |
| 38 | unsigned char enable_write; | |
| 39 | ||
| 40 | /* | |
| 41 | * Following is the number of AS0 address bits. This is normally | |
| 42 | * 8 but some bad hardware routes address lines incorrectly. | |
| 43 | */ | |
| 44 | int as0_bits; | |
| 45 | ||
| 46 | int nvram_size; /* Size of NVRAM on chip */ | |
| 47 | int sw_flags; /* Software control flags */ | |
| 48 | ||
| 49 | /* Following are the register offsets for the particular chip */ | |
| 50 | int year; | |
| 51 | int month; | |
| 52 | int day_of_month; | |
| 53 | int day_of_week; | |
| 54 | int hours; | |
| 55 | int minutes; | |
| 56 | int seconds; | |
| 57 | int control_b; | |
| 58 | int control_a; | |
| 59 | int watchdog; | |
| 60 | int interrupts; | |
| 61 | int alarm_date; | |
| 62 | int alarm_hour; | |
| 63 | int alarm_minutes; | |
| 64 | int alarm_seconds; | |
| 65 | int century; | |
| 66 | int flags; | |
| 67 | ||
| 68 | /* | |
| 69 | * Some RTC chips have their NVRAM buried behind a addr/data pair of | |
| 70 | * regs on the first level/clock registers. The following fields | |
| 71 | * are the addresses for those addr/data regs. | |
| 72 | */ | |
| 73 | int nvram_addr_reg; | |
| 74 | int nvram_data_reg; | |
| 75 | } todc_info_t; | |
| 76 | ||
| 77 | /* | |
| 78 | * Define the types of TODC/RTC variants that are supported in | |
| 79 | * arch/ppc/kernel/todc_time.c | |
| 80 | * Make a new one of these for any chip somehow differs from what's already | |
| 81 | * defined. That way, if you ever need to put in code to touch those | |
| 82 | * bits/registers in todc_time.c, you can put it inside an | |
| 83 | * 'if (todc_info->rtc_type == TODC_TYPE_XXX)' so you won't break | |
| 84 | * anyone else. | |
| 85 | */ | |
| 86 | #define TODC_TYPE_MK48T35 1 | |
| 87 | #define TODC_TYPE_MK48T37 2 | |
| 88 | #define TODC_TYPE_MK48T59 3 | |
| 89 | #define TODC_TYPE_DS1693 4 /* Dallas DS1693 RTC */ | |
| 90 | #define TODC_TYPE_DS1743 5 /* Dallas DS1743 RTC */ | |
| 91 | #define TODC_TYPE_DS1746 6 /* Dallas DS1746 RTC */ | |
| 92 | #define TODC_TYPE_DS1747 7 /* Dallas DS1747 RTC */ | |
| 93 | #define TODC_TYPE_DS1501 8 /* Dallas DS1501 RTC */ | |
| 94 | #define TODC_TYPE_DS1643 9 /* Dallas DS1643 RTC */ | |
| 95 | #define TODC_TYPE_PC97307 10 /* PC97307 internal RTC */ | |
| 96 | #define TODC_TYPE_DS1557 11 /* Dallas DS1557 RTC */ | |
| 97 | #define TODC_TYPE_DS17285 12 /* Dallas DS17285 RTC */ | |
| 98 | #define TODC_TYPE_DS1553 13 /* Dallas DS1553 RTC */ | |
| 99 | #define TODC_TYPE_MC146818 100 /* Leave room for m48txx's */ | |
| 100 | ||
| 101 | /* | |
| 102 | * Bit to clear/set to enable reads/writes to the chip | |
| 103 | */ | |
| 104 | #define TODC_MK48TXX_CNTL_A_R 0x40 | |
| 105 | #define TODC_MK48TXX_CNTL_A_W 0x80 | |
| 106 | #define TODC_MK48TXX_DAY_CB 0x80 | |
| 107 | ||
| 108 | #define TODC_DS1501_CNTL_B_TE 0x80 | |
| 109 | ||
| 110 | /* | |
| 111 | * Define flag bits used by todc routines. | |
| 112 | */ | |
| 113 | #define TODC_FLAG_2_LEVEL_NVRAM 0x00000001 | |
| 114 | ||
| 115 | /* | |
| 116 | * Define the values for the various RTC's that should to into the todc_info | |
| 117 | * table. | |
| 118 | * Note: The XXX_NVRAM_SIZE, XXX_NVRAM_ADDR_REG, and XXX_NVRAM_DATA_REG only | |
| 119 | * matter if XXX_SW_FLAGS has TODC_FLAG_2_LEVEL_NVRAM set. | |
| 120 | */ | |
| 121 | #define TODC_TYPE_MK48T35_NVRAM_SIZE 0x7ff8 | |
| 122 | #define TODC_TYPE_MK48T35_SW_FLAGS 0 | |
| 123 | #define TODC_TYPE_MK48T35_YEAR 0x7fff | |
| 124 | #define TODC_TYPE_MK48T35_MONTH 0x7ffe | |
| 125 | #define TODC_TYPE_MK48T35_DOM 0x7ffd /* Day of Month */ | |
| 126 | #define TODC_TYPE_MK48T35_DOW 0x7ffc /* Day of Week */ | |
| 127 | #define TODC_TYPE_MK48T35_HOURS 0x7ffb | |
| 128 | #define TODC_TYPE_MK48T35_MINUTES 0x7ffa | |
| 129 | #define TODC_TYPE_MK48T35_SECONDS 0x7ff9 | |
| 130 | #define TODC_TYPE_MK48T35_CNTL_B 0x7ff9 | |
| 131 | #define TODC_TYPE_MK48T35_CNTL_A 0x7ff8 | |
| 132 | #define TODC_TYPE_MK48T35_WATCHDOG 0x0000 | |
| 133 | #define TODC_TYPE_MK48T35_INTERRUPTS 0x0000 | |
| 134 | #define TODC_TYPE_MK48T35_ALARM_DATE 0x0000 | |
| 135 | #define TODC_TYPE_MK48T35_ALARM_HOUR 0x0000 | |
| 136 | #define TODC_TYPE_MK48T35_ALARM_MINUTES 0x0000 | |
| 137 | #define TODC_TYPE_MK48T35_ALARM_SECONDS 0x0000 | |
| 138 | #define TODC_TYPE_MK48T35_CENTURY 0x0000 | |
| 139 | #define TODC_TYPE_MK48T35_FLAGS 0x0000 | |
| 140 | #define TODC_TYPE_MK48T35_NVRAM_ADDR_REG 0 | |
| 141 | #define TODC_TYPE_MK48T35_NVRAM_DATA_REG 0 | |
| 142 | ||
| 143 | #define TODC_TYPE_MK48T37_NVRAM_SIZE 0x7ff0 | |
| 144 | #define TODC_TYPE_MK48T37_SW_FLAGS 0 | |
| 145 | #define TODC_TYPE_MK48T37_YEAR 0x7fff | |
| 146 | #define TODC_TYPE_MK48T37_MONTH 0x7ffe | |
| 147 | #define TODC_TYPE_MK48T37_DOM 0x7ffd /* Day of Month */ | |
| 148 | #define TODC_TYPE_MK48T37_DOW 0x7ffc /* Day of Week */ | |
| 149 | #define TODC_TYPE_MK48T37_HOURS 0x7ffb | |
| 150 | #define TODC_TYPE_MK48T37_MINUTES 0x7ffa | |
| 151 | #define TODC_TYPE_MK48T37_SECONDS 0x7ff9 | |
| 152 | #define TODC_TYPE_MK48T37_CNTL_B 0x7ff9 | |
| 153 | #define TODC_TYPE_MK48T37_CNTL_A 0x7ff8 | |
| 154 | #define TODC_TYPE_MK48T37_WATCHDOG 0x7ff7 | |
| 155 | #define TODC_TYPE_MK48T37_INTERRUPTS 0x7ff6 | |
| 156 | #define TODC_TYPE_MK48T37_ALARM_DATE 0x7ff5 | |
| 157 | #define TODC_TYPE_MK48T37_ALARM_HOUR 0x7ff4 | |
| 158 | #define TODC_TYPE_MK48T37_ALARM_MINUTES 0x7ff3 | |
| 159 | #define TODC_TYPE_MK48T37_ALARM_SECONDS 0x7ff2 | |
| 160 | #define TODC_TYPE_MK48T37_CENTURY 0x7ff1 | |
| 161 | #define TODC_TYPE_MK48T37_FLAGS 0x7ff0 | |
| 162 | #define TODC_TYPE_MK48T37_NVRAM_ADDR_REG 0 | |
| 163 | #define TODC_TYPE_MK48T37_NVRAM_DATA_REG 0 | |
| 164 | ||
| 165 | #define TODC_TYPE_MK48T59_NVRAM_SIZE 0x1ff0 | |
| 166 | #define TODC_TYPE_MK48T59_SW_FLAGS 0 | |
| 167 | #define TODC_TYPE_MK48T59_YEAR 0x1fff | |
| 168 | #define TODC_TYPE_MK48T59_MONTH 0x1ffe | |
| 169 | #define TODC_TYPE_MK48T59_DOM 0x1ffd /* Day of Month */ | |
| 170 | #define TODC_TYPE_MK48T59_DOW 0x1ffc /* Day of Week */ | |
| 171 | #define TODC_TYPE_MK48T59_HOURS 0x1ffb | |
| 172 | #define TODC_TYPE_MK48T59_MINUTES 0x1ffa | |
| 173 | #define TODC_TYPE_MK48T59_SECONDS 0x1ff9 | |
| 174 | #define TODC_TYPE_MK48T59_CNTL_B 0x1ff9 | |
| 175 | #define TODC_TYPE_MK48T59_CNTL_A 0x1ff8 | |
| 176 | #define TODC_TYPE_MK48T59_WATCHDOG 0x1fff | |
| 177 | #define TODC_TYPE_MK48T59_INTERRUPTS 0x1fff | |
| 178 | #define TODC_TYPE_MK48T59_ALARM_DATE 0x1fff | |
| 179 | #define TODC_TYPE_MK48T59_ALARM_HOUR 0x1fff | |
| 180 | #define TODC_TYPE_MK48T59_ALARM_MINUTES 0x1fff | |
| 181 | #define TODC_TYPE_MK48T59_ALARM_SECONDS 0x1fff | |
| 182 | #define TODC_TYPE_MK48T59_CENTURY 0x1fff | |
| 183 | #define TODC_TYPE_MK48T59_FLAGS 0x1fff | |
| 184 | #define TODC_TYPE_MK48T59_NVRAM_ADDR_REG 0 | |
| 185 | #define TODC_TYPE_MK48T59_NVRAM_DATA_REG 0 | |
| 186 | ||
| 187 | #define TODC_TYPE_DS1501_NVRAM_SIZE 0x100 | |
| 188 | #define TODC_TYPE_DS1501_SW_FLAGS TODC_FLAG_2_LEVEL_NVRAM | |
| 189 | #define TODC_TYPE_DS1501_YEAR (TODC_TYPE_DS1501_NVRAM_SIZE + 0x06) | |
| 190 | #define TODC_TYPE_DS1501_MONTH (TODC_TYPE_DS1501_NVRAM_SIZE + 0x05) | |
| 191 | #define TODC_TYPE_DS1501_DOM (TODC_TYPE_DS1501_NVRAM_SIZE + 0x04) | |
| 192 | #define TODC_TYPE_DS1501_DOW (TODC_TYPE_DS1501_NVRAM_SIZE + 0x03) | |
| 193 | #define TODC_TYPE_DS1501_HOURS (TODC_TYPE_DS1501_NVRAM_SIZE + 0x02) | |
| 194 | #define TODC_TYPE_DS1501_MINUTES (TODC_TYPE_DS1501_NVRAM_SIZE + 0x01) | |
| 195 | #define TODC_TYPE_DS1501_SECONDS (TODC_TYPE_DS1501_NVRAM_SIZE + 0x00) | |
| 196 | #define TODC_TYPE_DS1501_CNTL_B (TODC_TYPE_DS1501_NVRAM_SIZE + 0x0f) | |
| 197 | #define TODC_TYPE_DS1501_CNTL_A (TODC_TYPE_DS1501_NVRAM_SIZE + 0x0f) | |
| 198 | #define TODC_TYPE_DS1501_WATCHDOG (TODC_TYPE_DS1501_NVRAM_SIZE + 0xff) | |
| 199 | #define TODC_TYPE_DS1501_INTERRUPTS (TODC_TYPE_DS1501_NVRAM_SIZE + 0xff) | |
| 200 | #define TODC_TYPE_DS1501_ALARM_DATE (TODC_TYPE_DS1501_NVRAM_SIZE + 0x0b) | |
| 201 | #define TODC_TYPE_DS1501_ALARM_HOUR (TODC_TYPE_DS1501_NVRAM_SIZE + 0x0a) | |
| 202 | #define TODC_TYPE_DS1501_ALARM_MINUTES (TODC_TYPE_DS1501_NVRAM_SIZE + 0x09) | |
| 203 | #define TODC_TYPE_DS1501_ALARM_SECONDS (TODC_TYPE_DS1501_NVRAM_SIZE + 0x08) | |
| 204 | #define TODC_TYPE_DS1501_CENTURY (TODC_TYPE_DS1501_NVRAM_SIZE + 0x07) | |
| 205 | #define TODC_TYPE_DS1501_FLAGS (TODC_TYPE_DS1501_NVRAM_SIZE + 0xff) | |
| 206 | #define TODC_TYPE_DS1501_NVRAM_ADDR_REG 0x10 | |
| 207 | #define TODC_TYPE_DS1501_NVRAM_DATA_REG 0x13 | |
| 208 | ||
| 209 | #define TODC_TYPE_DS1553_NVRAM_SIZE 0x1ff0 | |
| 210 | #define TODC_TYPE_DS1553_SW_FLAGS 0 | |
| 211 | #define TODC_TYPE_DS1553_YEAR 0x1fff | |
| 212 | #define TODC_TYPE_DS1553_MONTH 0x1ffe | |
| 213 | #define TODC_TYPE_DS1553_DOM 0x1ffd /* Day of Month */ | |
| 214 | #define TODC_TYPE_DS1553_DOW 0x1ffc /* Day of Week */ | |
| 215 | #define TODC_TYPE_DS1553_HOURS 0x1ffb | |
| 216 | #define TODC_TYPE_DS1553_MINUTES 0x1ffa | |
| 217 | #define TODC_TYPE_DS1553_SECONDS 0x1ff9 | |
| 218 | #define TODC_TYPE_DS1553_CNTL_B 0x1ff9 | |
| 219 | #define TODC_TYPE_DS1553_CNTL_A 0x1ff8 /* control_a R/W regs */ | |
| 220 | #define TODC_TYPE_DS1553_WATCHDOG 0x1ff7 | |
| 221 | #define TODC_TYPE_DS1553_INTERRUPTS 0x1ff6 | |
| 222 | #define TODC_TYPE_DS1553_ALARM_DATE 0x1ff5 | |
| 223 | #define TODC_TYPE_DS1553_ALARM_HOUR 0x1ff4 | |
| 224 | #define TODC_TYPE_DS1553_ALARM_MINUTES 0x1ff3 | |
| 225 | #define TODC_TYPE_DS1553_ALARM_SECONDS 0x1ff2 | |
| 226 | #define TODC_TYPE_DS1553_CENTURY 0x1ff8 | |
| 227 | #define TODC_TYPE_DS1553_FLAGS 0x1ff0 | |
| 228 | #define TODC_TYPE_DS1553_NVRAM_ADDR_REG 0 | |
| 229 | #define TODC_TYPE_DS1553_NVRAM_DATA_REG 0 | |
| 230 | ||
| 231 | #define TODC_TYPE_DS1557_NVRAM_SIZE 0x7fff0 | |
| 232 | #define TODC_TYPE_DS1557_SW_FLAGS 0 | |
| 233 | #define TODC_TYPE_DS1557_YEAR 0x7ffff | |
| 234 | #define TODC_TYPE_DS1557_MONTH 0x7fffe | |
| 235 | #define TODC_TYPE_DS1557_DOM 0x7fffd /* Day of Month */ | |
| 236 | #define TODC_TYPE_DS1557_DOW 0x7fffc /* Day of Week */ | |
| 237 | #define TODC_TYPE_DS1557_HOURS 0x7fffb | |
| 238 | #define TODC_TYPE_DS1557_MINUTES 0x7fffa | |
| 239 | #define TODC_TYPE_DS1557_SECONDS 0x7fff9 | |
| 240 | #define TODC_TYPE_DS1557_CNTL_B 0x7fff9 | |
| 241 | #define TODC_TYPE_DS1557_CNTL_A 0x7fff8 /* control_a R/W regs */ | |
| 242 | #define TODC_TYPE_DS1557_WATCHDOG 0x7fff7 | |
| 243 | #define TODC_TYPE_DS1557_INTERRUPTS 0x7fff6 | |
| 244 | #define TODC_TYPE_DS1557_ALARM_DATE 0x7fff5 | |
| 245 | #define TODC_TYPE_DS1557_ALARM_HOUR 0x7fff4 | |
| 246 | #define TODC_TYPE_DS1557_ALARM_MINUTES 0x7fff3 | |
| 247 | #define TODC_TYPE_DS1557_ALARM_SECONDS 0x7fff2 | |
| 248 | #define TODC_TYPE_DS1557_CENTURY 0x7fff8 | |
| 249 | #define TODC_TYPE_DS1557_FLAGS 0x7fff0 | |
| 250 | #define TODC_TYPE_DS1557_NVRAM_ADDR_REG 0 | |
| 251 | #define TODC_TYPE_DS1557_NVRAM_DATA_REG 0 | |
| 252 | ||
| 253 | #define TODC_TYPE_DS1643_NVRAM_SIZE 0x1ff8 | |
| 254 | #define TODC_TYPE_DS1643_SW_FLAGS 0 | |
| 255 | #define TODC_TYPE_DS1643_YEAR 0x1fff | |
| 256 | #define TODC_TYPE_DS1643_MONTH 0x1ffe | |
| 257 | #define TODC_TYPE_DS1643_DOM 0x1ffd /* Day of Month */ | |
| 258 | #define TODC_TYPE_DS1643_DOW 0x1ffc /* Day of Week */ | |
| 259 | #define TODC_TYPE_DS1643_HOURS 0x1ffb | |
| 260 | #define TODC_TYPE_DS1643_MINUTES 0x1ffa | |
| 261 | #define TODC_TYPE_DS1643_SECONDS 0x1ff9 | |
| 262 | #define TODC_TYPE_DS1643_CNTL_B 0x1ff9 | |
| 263 | #define TODC_TYPE_DS1643_CNTL_A 0x1ff8 /* control_a R/W regs */ | |
| 264 | #define TODC_TYPE_DS1643_WATCHDOG 0x1fff | |
| 265 | #define TODC_TYPE_DS1643_INTERRUPTS 0x1fff | |
| 266 | #define TODC_TYPE_DS1643_ALARM_DATE 0x1fff | |
| 267 | #define TODC_TYPE_DS1643_ALARM_HOUR 0x1fff | |
| 268 | #define TODC_TYPE_DS1643_ALARM_MINUTES 0x1fff | |
| 269 | #define TODC_TYPE_DS1643_ALARM_SECONDS 0x1fff | |
| 270 | #define TODC_TYPE_DS1643_CENTURY 0x1ff8 | |
| 271 | #define TODC_TYPE_DS1643_FLAGS 0x1fff | |
| 272 | #define TODC_TYPE_DS1643_NVRAM_ADDR_REG 0 | |
| 273 | #define TODC_TYPE_DS1643_NVRAM_DATA_REG 0 | |
| 274 | ||
| 275 | #define TODC_TYPE_DS1693_NVRAM_SIZE 0 /* Not handled yet */ | |
| 276 | #define TODC_TYPE_DS1693_SW_FLAGS 0 | |
| 277 | #define TODC_TYPE_DS1693_YEAR 0x09 | |
| 278 | #define TODC_TYPE_DS1693_MONTH 0x08 | |
| 279 | #define TODC_TYPE_DS1693_DOM 0x07 /* Day of Month */ | |
| 280 | #define TODC_TYPE_DS1693_DOW 0x06 /* Day of Week */ | |
| 281 | #define TODC_TYPE_DS1693_HOURS 0x04 | |
| 282 | #define TODC_TYPE_DS1693_MINUTES 0x02 | |
| 283 | #define TODC_TYPE_DS1693_SECONDS 0x00 | |
| 284 | #define TODC_TYPE_DS1693_CNTL_B 0x0b | |
| 285 | #define TODC_TYPE_DS1693_CNTL_A 0x0a | |
| 286 | #define TODC_TYPE_DS1693_WATCHDOG 0xff | |
| 287 | #define TODC_TYPE_DS1693_INTERRUPTS 0xff | |
| 288 | #define TODC_TYPE_DS1693_ALARM_DATE 0x49 | |
| 289 | #define TODC_TYPE_DS1693_ALARM_HOUR 0x05 | |
| 290 | #define TODC_TYPE_DS1693_ALARM_MINUTES 0x03 | |
| 291 | #define TODC_TYPE_DS1693_ALARM_SECONDS 0x01 | |
| 292 | #define TODC_TYPE_DS1693_CENTURY 0x48 | |
| 293 | #define TODC_TYPE_DS1693_FLAGS 0xff | |
| 294 | #define TODC_TYPE_DS1693_NVRAM_ADDR_REG 0 | |
| 295 | #define TODC_TYPE_DS1693_NVRAM_DATA_REG 0 | |
| 296 | ||
| 297 | #define TODC_TYPE_DS1743_NVRAM_SIZE 0x1ff8 | |
| 298 | #define TODC_TYPE_DS1743_SW_FLAGS 0 | |
| 299 | #define TODC_TYPE_DS1743_YEAR 0x1fff | |
| 300 | #define TODC_TYPE_DS1743_MONTH 0x1ffe | |
| 301 | #define TODC_TYPE_DS1743_DOM 0x1ffd /* Day of Month */ | |
| 302 | #define TODC_TYPE_DS1743_DOW 0x1ffc /* Day of Week */ | |
| 303 | #define TODC_TYPE_DS1743_HOURS 0x1ffb | |
| 304 | #define TODC_TYPE_DS1743_MINUTES 0x1ffa | |
| 305 | #define TODC_TYPE_DS1743_SECONDS 0x1ff9 | |
| 306 | #define TODC_TYPE_DS1743_CNTL_B 0x1ff9 | |
| 307 | #define TODC_TYPE_DS1743_CNTL_A 0x1ff8 /* control_a R/W regs */ | |
| 308 | #define TODC_TYPE_DS1743_WATCHDOG 0x1fff | |
| 309 | #define TODC_TYPE_DS1743_INTERRUPTS 0x1fff | |
| 310 | #define TODC_TYPE_DS1743_ALARM_DATE 0x1fff | |
| 311 | #define TODC_TYPE_DS1743_ALARM_HOUR 0x1fff | |
| 312 | #define TODC_TYPE_DS1743_ALARM_MINUTES 0x1fff | |
| 313 | #define TODC_TYPE_DS1743_ALARM_SECONDS 0x1fff | |
| 314 | #define TODC_TYPE_DS1743_CENTURY 0x1ff8 | |
| 315 | #define TODC_TYPE_DS1743_FLAGS 0x1fff | |
| 316 | #define TODC_TYPE_DS1743_NVRAM_ADDR_REG 0 | |
| 317 | #define TODC_TYPE_DS1743_NVRAM_DATA_REG 0 | |
| 318 | ||
| 319 | #define TODC_TYPE_DS1746_NVRAM_SIZE 0x1fff8 | |
| 320 | #define TODC_TYPE_DS1746_SW_FLAGS 0 | |
| 321 | #define TODC_TYPE_DS1746_YEAR 0x1ffff | |
| 322 | #define TODC_TYPE_DS1746_MONTH 0x1fffe | |
| 323 | #define TODC_TYPE_DS1746_DOM 0x1fffd /* Day of Month */ | |
| 324 | #define TODC_TYPE_DS1746_DOW 0x1fffc /* Day of Week */ | |
| 325 | #define TODC_TYPE_DS1746_HOURS 0x1fffb | |
| 326 | #define TODC_TYPE_DS1746_MINUTES 0x1fffa | |
| 327 | #define TODC_TYPE_DS1746_SECONDS 0x1fff9 | |
| 328 | #define TODC_TYPE_DS1746_CNTL_B 0x1fff9 | |
| 329 | #define TODC_TYPE_DS1746_CNTL_A 0x1fff8 /* control_a R/W regs */ | |
| 330 | #define TODC_TYPE_DS1746_WATCHDOG 0x00000 | |
| 331 | #define TODC_TYPE_DS1746_INTERRUPTS 0x00000 | |
| 332 | #define TODC_TYPE_DS1746_ALARM_DATE 0x00000 | |
| 333 | #define TODC_TYPE_DS1746_ALARM_HOUR 0x00000 | |
| 334 | #define TODC_TYPE_DS1746_ALARM_MINUTES 0x00000 | |
| 335 | #define TODC_TYPE_DS1746_ALARM_SECONDS 0x00000 | |
| 336 | #define TODC_TYPE_DS1746_CENTURY 0x00000 | |
| 337 | #define TODC_TYPE_DS1746_FLAGS 0x00000 | |
| 338 | #define TODC_TYPE_DS1746_NVRAM_ADDR_REG 0 | |
| 339 | #define TODC_TYPE_DS1746_NVRAM_DATA_REG 0 | |
| 340 | ||
| 341 | #define TODC_TYPE_DS1747_NVRAM_SIZE 0x7fff8 | |
| 342 | #define TODC_TYPE_DS1747_SW_FLAGS 0 | |
| 343 | #define TODC_TYPE_DS1747_YEAR 0x7ffff | |
| 344 | #define TODC_TYPE_DS1747_MONTH 0x7fffe | |
| 345 | #define TODC_TYPE_DS1747_DOM 0x7fffd /* Day of Month */ | |
| 346 | #define TODC_TYPE_DS1747_DOW 0x7fffc /* Day of Week */ | |
| 347 | #define TODC_TYPE_DS1747_HOURS 0x7fffb | |
| 348 | #define TODC_TYPE_DS1747_MINUTES 0x7fffa | |
| 349 | #define TODC_TYPE_DS1747_SECONDS 0x7fff9 | |
| 350 | #define TODC_TYPE_DS1747_CNTL_B 0x7fff9 | |
| 351 | #define TODC_TYPE_DS1747_CNTL_A 0x7fff8 /* control_a R/W regs */ | |
| 352 | #define TODC_TYPE_DS1747_WATCHDOG 0x00000 | |
| 353 | #define TODC_TYPE_DS1747_INTERRUPTS 0x00000 | |
| 354 | #define TODC_TYPE_DS1747_ALARM_DATE 0x00000 | |
| 355 | #define TODC_TYPE_DS1747_ALARM_HOUR 0x00000 | |
| 356 | #define TODC_TYPE_DS1747_ALARM_MINUTES 0x00000 | |
| 357 | #define TODC_TYPE_DS1747_ALARM_SECONDS 0x00000 | |
| 358 | #define TODC_TYPE_DS1747_CENTURY 0x00000 | |
| 359 | #define TODC_TYPE_DS1747_FLAGS 0x00000 | |
| 360 | #define TODC_TYPE_DS1747_NVRAM_ADDR_REG 0 | |
| 361 | #define TODC_TYPE_DS1747_NVRAM_DATA_REG 0 | |
| 362 | ||
| 363 | #define TODC_TYPE_DS17285_NVRAM_SIZE (0x1000-0x80) /* 4Kx8 NVRAM (minus RTC regs) */ | |
| 364 | #define TODC_TYPE_DS17285_SW_FLAGS TODC_FLAG_2_LEVEL_NVRAM | |
| 365 | #define TODC_TYPE_DS17285_SECONDS (TODC_TYPE_DS17285_NVRAM_SIZE + 0x00) | |
| 366 | #define TODC_TYPE_DS17285_ALARM_SECONDS (TODC_TYPE_DS17285_NVRAM_SIZE + 0x01) | |
| 367 | #define TODC_TYPE_DS17285_MINUTES (TODC_TYPE_DS17285_NVRAM_SIZE + 0x02) | |
| 368 | #define TODC_TYPE_DS17285_ALARM_MINUTES (TODC_TYPE_DS17285_NVRAM_SIZE + 0x03) | |
| 369 | #define TODC_TYPE_DS17285_HOURS (TODC_TYPE_DS17285_NVRAM_SIZE + 0x04) | |
| 370 | #define TODC_TYPE_DS17285_ALARM_HOUR (TODC_TYPE_DS17285_NVRAM_SIZE + 0x05) | |
| 371 | #define TODC_TYPE_DS17285_DOW (TODC_TYPE_DS17285_NVRAM_SIZE + 0x06) | |
| 372 | #define TODC_TYPE_DS17285_DOM (TODC_TYPE_DS17285_NVRAM_SIZE + 0x07) | |
| 373 | #define TODC_TYPE_DS17285_MONTH (TODC_TYPE_DS17285_NVRAM_SIZE + 0x08) | |
| 374 | #define TODC_TYPE_DS17285_YEAR (TODC_TYPE_DS17285_NVRAM_SIZE + 0x09) | |
| 375 | #define TODC_TYPE_DS17285_CNTL_A (TODC_TYPE_DS17285_NVRAM_SIZE + 0x0A) | |
| 376 | #define TODC_TYPE_DS17285_CNTL_B (TODC_TYPE_DS17285_NVRAM_SIZE + 0x0B) | |
| 377 | #define TODC_TYPE_DS17285_CNTL_C (TODC_TYPE_DS17285_NVRAM_SIZE + 0x0C) | |
| 378 | #define TODC_TYPE_DS17285_CNTL_D (TODC_TYPE_DS17285_NVRAM_SIZE + 0x0D) | |
| 379 | #define TODC_TYPE_DS17285_WATCHDOG 0 | |
| 380 | #define TODC_TYPE_DS17285_INTERRUPTS 0 | |
| 381 | #define TODC_TYPE_DS17285_ALARM_DATE 0 | |
| 382 | #define TODC_TYPE_DS17285_CENTURY 0 | |
| 383 | #define TODC_TYPE_DS17285_FLAGS 0 | |
| 384 | #define TODC_TYPE_DS17285_NVRAM_ADDR_REG 0x50 | |
| 385 | #define TODC_TYPE_DS17285_NVRAM_DATA_REG 0x53 | |
| 386 | ||
| 387 | #define TODC_TYPE_MC146818_NVRAM_SIZE 0 /* XXXX */ | |
| 388 | #define TODC_TYPE_MC146818_SW_FLAGS 0 | |
| 389 | #define TODC_TYPE_MC146818_YEAR 0x09 | |
| 390 | #define TODC_TYPE_MC146818_MONTH 0x08 | |
| 391 | #define TODC_TYPE_MC146818_DOM 0x07 /* Day of Month */ | |
| 392 | #define TODC_TYPE_MC146818_DOW 0x06 /* Day of Week */ | |
| 393 | #define TODC_TYPE_MC146818_HOURS 0x04 | |
| 394 | #define TODC_TYPE_MC146818_MINUTES 0x02 | |
| 395 | #define TODC_TYPE_MC146818_SECONDS 0x00 | |
| 396 | #define TODC_TYPE_MC146818_CNTL_B 0x0a | |
| 397 | #define TODC_TYPE_MC146818_CNTL_A 0x0b /* control_a R/W regs */ | |
| 398 | #define TODC_TYPE_MC146818_WATCHDOG 0 | |
| 399 | #define TODC_TYPE_MC146818_INTERRUPTS 0x0c | |
| 400 | #define TODC_TYPE_MC146818_ALARM_DATE 0xff | |
| 401 | #define TODC_TYPE_MC146818_ALARM_HOUR 0x05 | |
| 402 | #define TODC_TYPE_MC146818_ALARM_MINUTES 0x03 | |
| 403 | #define TODC_TYPE_MC146818_ALARM_SECONDS 0x01 | |
| 404 | #define TODC_TYPE_MC146818_CENTURY 0xff | |
| 405 | #define TODC_TYPE_MC146818_FLAGS 0xff | |
| 406 | #define TODC_TYPE_MC146818_NVRAM_ADDR_REG 0 | |
| 407 | #define TODC_TYPE_MC146818_NVRAM_DATA_REG 0 | |
| 408 | ||
| 409 | #define TODC_TYPE_PC97307_NVRAM_SIZE 0 /* No NVRAM? */ | |
| 410 | #define TODC_TYPE_PC97307_SW_FLAGS 0 | |
| 411 | #define TODC_TYPE_PC97307_YEAR 0x09 | |
| 412 | #define TODC_TYPE_PC97307_MONTH 0x08 | |
| 413 | #define TODC_TYPE_PC97307_DOM 0x07 /* Day of Month */ | |
| 414 | #define TODC_TYPE_PC97307_DOW 0x06 /* Day of Week */ | |
| 415 | #define TODC_TYPE_PC97307_HOURS 0x04 | |
| 416 | #define TODC_TYPE_PC97307_MINUTES 0x02 | |
| 417 | #define TODC_TYPE_PC97307_SECONDS 0x00 | |
| 418 | #define TODC_TYPE_PC97307_CNTL_B 0x0a | |
| 419 | #define TODC_TYPE_PC97307_CNTL_A 0x0b /* control_a R/W regs */ | |
| 420 | #define TODC_TYPE_PC97307_WATCHDOG 0x0c | |
| 421 | #define TODC_TYPE_PC97307_INTERRUPTS 0x0d | |
| 422 | #define TODC_TYPE_PC97307_ALARM_DATE 0xff | |
| 423 | #define TODC_TYPE_PC97307_ALARM_HOUR 0x05 | |
| 424 | #define TODC_TYPE_PC97307_ALARM_MINUTES 0x03 | |
| 425 | #define TODC_TYPE_PC97307_ALARM_SECONDS 0x01 | |
| 426 | #define TODC_TYPE_PC97307_CENTURY 0xff | |
| 427 | #define TODC_TYPE_PC97307_FLAGS 0xff | |
| 428 | #define TODC_TYPE_PC97307_NVRAM_ADDR_REG 0 | |
| 429 | #define TODC_TYPE_PC97307_NVRAM_DATA_REG 0 | |
| 430 | ||
| 431 | /* | |
| 432 | * Define macros to allocate and init the todc_info_t table that will | |
| 433 | * be used by the todc_time.c routines. | |
| 434 | */ | |
| 435 | #define TODC_ALLOC() \ | |
| 436 | static todc_info_t todc_info_alloc; \ | |
| 437 | todc_info_t *todc_info = &todc_info_alloc; | |
| 438 | ||
| 439 | #define TODC_INIT(clock_type, as0, as1, data, bits) { \ | |
| 440 | todc_info->rtc_type = clock_type; \ | |
| 441 | \ | |
| 442 | todc_info->nvram_as0 = (unsigned int)(as0); \ | |
| 443 | todc_info->nvram_as1 = (unsigned int)(as1); \ | |
| 444 | todc_info->nvram_data = (unsigned int)(data); \ | |
| 445 | \ | |
| 446 | todc_info->as0_bits = (bits); \ | |
| 447 | \ | |
| 448 | todc_info->nvram_size = clock_type ##_NVRAM_SIZE; \ | |
| 449 | todc_info->sw_flags = clock_type ##_SW_FLAGS; \ | |
| 450 | \ | |
| 451 | todc_info->year = clock_type ##_YEAR; \ | |
| 452 | todc_info->month = clock_type ##_MONTH; \ | |
| 453 | todc_info->day_of_month = clock_type ##_DOM; \ | |
| 454 | todc_info->day_of_week = clock_type ##_DOW; \ | |
| 455 | todc_info->hours = clock_type ##_HOURS; \ | |
| 456 | todc_info->minutes = clock_type ##_MINUTES; \ | |
| 457 | todc_info->seconds = clock_type ##_SECONDS; \ | |
| 458 | todc_info->control_b = clock_type ##_CNTL_B; \ | |
| 459 | todc_info->control_a = clock_type ##_CNTL_A; \ | |
| 460 | todc_info->watchdog = clock_type ##_WATCHDOG; \ | |
| 461 | todc_info->interrupts = clock_type ##_INTERRUPTS; \ | |
| 462 | todc_info->alarm_date = clock_type ##_ALARM_DATE; \ | |
| 463 | todc_info->alarm_hour = clock_type ##_ALARM_HOUR; \ | |
| 464 | todc_info->alarm_minutes = clock_type ##_ALARM_MINUTES; \ | |
| 465 | todc_info->alarm_seconds = clock_type ##_ALARM_SECONDS; \ | |
| 466 | todc_info->century = clock_type ##_CENTURY; \ | |
| 467 | todc_info->flags = clock_type ##_FLAGS; \ | |
| 468 | \ | |
| 469 | todc_info->nvram_addr_reg = clock_type ##_NVRAM_ADDR_REG; \ | |
| 470 | todc_info->nvram_data_reg = clock_type ##_NVRAM_DATA_REG; \ | |
| 471 | } | |
| 472 | ||
| 473 | extern todc_info_t *todc_info; | |
| 474 | ||
| 475 | unsigned char todc_direct_read_val(int addr); | |
| 476 | void todc_direct_write_val(int addr, unsigned char val); | |
| 477 | unsigned char todc_m48txx_read_val(int addr); | |
| 478 | void todc_m48txx_write_val(int addr, unsigned char val); | |
| 479 | unsigned char todc_mc146818_read_val(int addr); | |
| 480 | void todc_mc146818_write_val(int addr, unsigned char val); | |
| 481 | ||
| 482 | long todc_time_init(void); | |
| 483 | void todc_get_rtc_time(struct rtc_time *); | |
| 484 | int todc_set_rtc_time(struct rtc_time *); | |
| 485 | void todc_calibrate_decr(void); | |
| 486 | ||
| 487 | #endif /* __PPC_KERNEL_TODC_H */ |