Commit | Line | Data |
---|---|---|
1da177e4 | 1 | /* |
1da177e4 LT |
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 */ |