Don't include linux/config.h from anywhere else in include/
[linux-2.6.git] / include / asm-ppc / todc.h
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
23 typedef 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       /* XXXX */
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
474 extern todc_info_t *todc_info;
475
476 unsigned char todc_direct_read_val(int addr);
477 void todc_direct_write_val(int addr, unsigned char val);
478 unsigned char todc_m48txx_read_val(int addr);
479 void todc_m48txx_write_val(int addr, unsigned char val);
480 unsigned char todc_mc146818_read_val(int addr);
481 void todc_mc146818_write_val(int addr, unsigned char val);
482
483 long todc_time_init(void);
484 unsigned long todc_get_rtc_time(void);
485 int todc_set_rtc_time(unsigned long nowtime);
486 void todc_calibrate_decr(void);
487
488 #endif                          /* __PPC_KERNEL_TODC_H */