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-rw-r--r--include/asm-powerpc/todc.h487
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diff --git a/include/asm-powerpc/todc.h b/include/asm-powerpc/todc.h
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index 60a8c39b8c11..000000000000
--- a/include/asm-powerpc/todc.h
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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
22typedef 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
473extern todc_info_t *todc_info;
474
475unsigned char todc_direct_read_val(int addr);
476void todc_direct_write_val(int addr, unsigned char val);
477unsigned char todc_m48txx_read_val(int addr);
478void todc_m48txx_write_val(int addr, unsigned char val);
479unsigned char todc_mc146818_read_val(int addr);
480void todc_mc146818_write_val(int addr, unsigned char val);
481
482long todc_time_init(void);
483void todc_get_rtc_time(struct rtc_time *);
484int todc_set_rtc_time(struct rtc_time *);
485void todc_calibrate_decr(void);
486
487#endif /* __PPC_KERNEL_TODC_H */
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