xref: /onnv-gate/usr/src/uts/sun4u/sys/todm5819.h (revision 0:68f95e015346)
1*0Sstevel@tonic-gate /*
2*0Sstevel@tonic-gate  * CDDL HEADER START
3*0Sstevel@tonic-gate  *
4*0Sstevel@tonic-gate  * The contents of this file are subject to the terms of the
5*0Sstevel@tonic-gate  * Common Development and Distribution License, Version 1.0 only
6*0Sstevel@tonic-gate  * (the "License").  You may not use this file except in compliance
7*0Sstevel@tonic-gate  * with the License.
8*0Sstevel@tonic-gate  *
9*0Sstevel@tonic-gate  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
10*0Sstevel@tonic-gate  * or http://www.opensolaris.org/os/licensing.
11*0Sstevel@tonic-gate  * See the License for the specific language governing permissions
12*0Sstevel@tonic-gate  * and limitations under the License.
13*0Sstevel@tonic-gate  *
14*0Sstevel@tonic-gate  * When distributing Covered Code, include this CDDL HEADER in each
15*0Sstevel@tonic-gate  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
16*0Sstevel@tonic-gate  * If applicable, add the following below this CDDL HEADER, with the
17*0Sstevel@tonic-gate  * fields enclosed by brackets "[]" replaced with your own identifying
18*0Sstevel@tonic-gate  * information: Portions Copyright [yyyy] [name of copyright owner]
19*0Sstevel@tonic-gate  *
20*0Sstevel@tonic-gate  * CDDL HEADER END
21*0Sstevel@tonic-gate  */
22*0Sstevel@tonic-gate /*
23*0Sstevel@tonic-gate  * Copyright 2001-2002 Sun Microsystems, Inc.  All rights reserved.
24*0Sstevel@tonic-gate  * Use is subject to license terms.
25*0Sstevel@tonic-gate  */
26*0Sstevel@tonic-gate 
27*0Sstevel@tonic-gate #ifndef	_TODM5819_H
28*0Sstevel@tonic-gate #define	_TODM5819_H
29*0Sstevel@tonic-gate 
30*0Sstevel@tonic-gate #pragma ident	"%Z%%M%	%I%	%E% SMI"
31*0Sstevel@tonic-gate 
32*0Sstevel@tonic-gate #ifdef	__cplusplus
33*0Sstevel@tonic-gate extern "C" {
34*0Sstevel@tonic-gate #endif
35*0Sstevel@tonic-gate 
36*0Sstevel@tonic-gate extern  char    *v_rtc_addr_reg;
37*0Sstevel@tonic-gate extern  volatile uint8_t *v_rtc_data_reg;
38*0Sstevel@tonic-gate 
39*0Sstevel@tonic-gate #ifdef	DEBUG
40*0Sstevel@tonic-gate #include <sys/promif.h>
41*0Sstevel@tonic-gate #define	DPRINTF if (m5819_debug_flags) prom_printf
42*0Sstevel@tonic-gate #else
43*0Sstevel@tonic-gate #define	DPRINTF
44*0Sstevel@tonic-gate #endif	/* DEBUG */
45*0Sstevel@tonic-gate 
46*0Sstevel@tonic-gate #define	M5819_ADDR_REG		*(volatile uint8_t *)v_rtc_addr_reg
47*0Sstevel@tonic-gate #define	M5819_DATA_REG		*(volatile uint8_t *)v_rtc_data_reg
48*0Sstevel@tonic-gate 
49*0Sstevel@tonic-gate 
50*0Sstevel@tonic-gate /*
51*0Sstevel@tonic-gate  * Definitions for Real Time Clock driver (m5819 chip).
52*0Sstevel@tonic-gate  */
53*0Sstevel@tonic-gate 
54*0Sstevel@tonic-gate /*
55*0Sstevel@tonic-gate  * Common registers between Banks 0, 1, and 2.
56*0Sstevel@tonic-gate  */
57*0Sstevel@tonic-gate #define	RTC_SEC		0x0	/* Seconds */
58*0Sstevel@tonic-gate #define	RTC_ASEC	0x1	/* Seconds Alarm */
59*0Sstevel@tonic-gate #define	RTC_MIN		0x2	/* Minutes */
60*0Sstevel@tonic-gate #define	RTC_AMIN	0x3	/* Minutes Alarm */
61*0Sstevel@tonic-gate #define	RTC_HRS		0x4	/* Hours */
62*0Sstevel@tonic-gate #define	RTC_AHRS	0x5	/* Hours Alarm */
63*0Sstevel@tonic-gate #define	RTC_DOW		0x6	/* Day-of-Week */
64*0Sstevel@tonic-gate #define	RTC_DOM		0x7	/* Day-of-Month */
65*0Sstevel@tonic-gate #define	RTC_MON		0x8	/* Month */
66*0Sstevel@tonic-gate #define	RTC_YEAR	0x9	/* Year */
67*0Sstevel@tonic-gate #define	RTC_A		0xa	/* Control Register A */
68*0Sstevel@tonic-gate #define	RTC_B		0xb	/* Control Register B */
69*0Sstevel@tonic-gate #define	RTC_C		0xc	/* Control Register C */
70*0Sstevel@tonic-gate #define	RTC_D		0xd	/* Control Register D */
71*0Sstevel@tonic-gate #define	RTC_CENTURY	0x32	/* Century */
72*0Sstevel@tonic-gate 
73*0Sstevel@tonic-gate /*
74*0Sstevel@tonic-gate  * Control register A definitions
75*0Sstevel@tonic-gate  */
76*0Sstevel@tonic-gate #define	RTC_DIV0	0x10	/* Bank Select */
77*0Sstevel@tonic-gate #define	RTC_DIV1	0x20	/* Oscillator enable */
78*0Sstevel@tonic-gate #define	RTC_DIV2	0x40	/* Countdown chain */
79*0Sstevel@tonic-gate #define	RTC_UIP		0x80	/* Update in progress bit */
80*0Sstevel@tonic-gate 
81*0Sstevel@tonic-gate /*
82*0Sstevel@tonic-gate  * Control register B definitions
83*0Sstevel@tonic-gate  */
84*0Sstevel@tonic-gate #define	RTC_DSE		0x01	/* Daylight Savings Enable */
85*0Sstevel@tonic-gate #define	RTC_HM		0x02	/* Hour mode, 1 = 24 hour, 0 = 12 hour */
86*0Sstevel@tonic-gate #define	RTC_DM		0x04	/* Date mode, 1 = binary, 0 = BCD */
87*0Sstevel@tonic-gate #define	RTC_UIE		0x10	/* Update-ended Interrupt Enable */
88*0Sstevel@tonic-gate #define	RTC_AIE		0x20	/* Alarm Interrupt Enable */
89*0Sstevel@tonic-gate #define	RTC_PIE		0x40	/* Periodic Interrupt Enable */
90*0Sstevel@tonic-gate #define	RTC_SET		0x80	/* Stop updates for time set */
91*0Sstevel@tonic-gate 
92*0Sstevel@tonic-gate /*
93*0Sstevel@tonic-gate  * Control Register C definitions
94*0Sstevel@tonic-gate  */
95*0Sstevel@tonic-gate #define	RTC_UF		0x10	/* UF flag bit */
96*0Sstevel@tonic-gate #define	RTC_AF		0x20	/* AF flag bit */
97*0Sstevel@tonic-gate #define	RTC_PF		0x40	/* PF flag bit */
98*0Sstevel@tonic-gate #define	RTC_IRQF	0x80	/* IRQ flag */
99*0Sstevel@tonic-gate 
100*0Sstevel@tonic-gate /*
101*0Sstevel@tonic-gate  * Control Register D definitions
102*0Sstevel@tonic-gate  */
103*0Sstevel@tonic-gate #define	RTC_VRT		0x80	/* Valid RAM and time bit */
104*0Sstevel@tonic-gate 
105*0Sstevel@tonic-gate 
106*0Sstevel@tonic-gate /*
107*0Sstevel@tonic-gate  * Bank 2 Registers
108*0Sstevel@tonic-gate  */
109*0Sstevel@tonic-gate #define	APC_APCR1	0x40	/* APC Control Register 1 */
110*0Sstevel@tonic-gate #define	APC_APCR2	0x41	/* APC Control Register 2 */
111*0Sstevel@tonic-gate #define	APC_APSR	0x42	/* APC Status Register */
112*0Sstevel@tonic-gate #define	APC_WDWR	0x43	/* Wake up Day of Week */
113*0Sstevel@tonic-gate #define	APC_WDMR	0x44	/* Wake up Date of Month */
114*0Sstevel@tonic-gate #define	APC_WMR		0x45	/* Wake up Month */
115*0Sstevel@tonic-gate #define	APC_WYR		0x46	/* Wake up Year */
116*0Sstevel@tonic-gate #define	APC_WCR		0x48	/* Wake up Century */
117*0Sstevel@tonic-gate 
118*0Sstevel@tonic-gate #define	RTC_CADDR	0x51	/* Century address register */
119*0Sstevel@tonic-gate 
120*0Sstevel@tonic-gate /*
121*0Sstevel@tonic-gate  * APC Control Register 1 (APCR1) definitions
122*0Sstevel@tonic-gate  */
123*0Sstevel@tonic-gate #define	APC_FSTRC	0x40	/* Fail-safe Timer Reset Command */
124*0Sstevel@tonic-gate 
125*0Sstevel@tonic-gate /*
126*0Sstevel@tonic-gate  * APC Control Register 2 (APCR2) definitions
127*0Sstevel@tonic-gate  */
128*0Sstevel@tonic-gate #define	APC_TME		0x01	/* Timer Match Enable */
129*0Sstevel@tonic-gate 
130*0Sstevel@tonic-gate /*
131*0Sstevel@tonic-gate  * The following two defintions are used in conjuction to wait
132*0Sstevel@tonic-gate  * for the UIP bit to clear.
133*0Sstevel@tonic-gate  */
134*0Sstevel@tonic-gate #define	TODM5819_UIP_RETRY_THRESH 6
135*0Sstevel@tonic-gate #define	TODM5819_UIP_WAIT_USEC 56
136*0Sstevel@tonic-gate 
137*0Sstevel@tonic-gate 
138*0Sstevel@tonic-gate struct	rtc_t {
139*0Sstevel@tonic-gate 	uint8_t	rtc_sec;	/* seconds */
140*0Sstevel@tonic-gate 	uint8_t	rtc_asec;	/* alarm seconds */
141*0Sstevel@tonic-gate 	uint8_t	rtc_min;	/* mins */
142*0Sstevel@tonic-gate 	uint8_t	rtc_amin;	/* alarm mins */
143*0Sstevel@tonic-gate 	uint8_t	rtc_hrs;	/* hours */
144*0Sstevel@tonic-gate 	uint8_t	rtc_ahrs;	/* alarm hours */
145*0Sstevel@tonic-gate 	uint8_t	rtc_dow;	/* day of the week */
146*0Sstevel@tonic-gate 	uint8_t	rtc_dom;	/* day of the month */
147*0Sstevel@tonic-gate 	uint8_t	rtc_mon;	/* month */
148*0Sstevel@tonic-gate 	uint8_t	rtc_year;	/* year */
149*0Sstevel@tonic-gate 	uint8_t	rtc_rega;	/* REG A */
150*0Sstevel@tonic-gate 	uint8_t	rtc_regb;	/* REG B */
151*0Sstevel@tonic-gate 	uint8_t	rtc_regc;	/* REG C */
152*0Sstevel@tonic-gate 	uint8_t	rtc_regd;	/* REG D */
153*0Sstevel@tonic-gate 	uint8_t	rtc_century;	/* century */
154*0Sstevel@tonic-gate 	uint8_t	rtc_adom;	/* alarm  day */
155*0Sstevel@tonic-gate 	uint8_t	rtc_amon;	/* alarm  mon */
156*0Sstevel@tonic-gate 	uint8_t	apc_apcr1;	/* APC Control register 1 */
157*0Sstevel@tonic-gate 	uint8_t	apc_apcr2;	/* APC Control register 2 */
158*0Sstevel@tonic-gate 	uint8_t	apc_apsr;	/* APC Status register */
159*0Sstevel@tonic-gate 	uint8_t	apc_wdwr;	/* Wakeup date of the month */
160*0Sstevel@tonic-gate 	uint8_t	apc_wdmr;	/* Wakeup day of month */
161*0Sstevel@tonic-gate 	uint8_t	apc_wmr;	/* Wakeup month register */
162*0Sstevel@tonic-gate 	uint8_t	apc_wyr;	/* Wakeup year register */
163*0Sstevel@tonic-gate 	uint8_t	apc_wcr;	/* Wakeup Century reg. */
164*0Sstevel@tonic-gate };
165*0Sstevel@tonic-gate 
166*0Sstevel@tonic-gate 
167*0Sstevel@tonic-gate #define	RTC_GET8(offset) (M5819_ADDR_REG = (offset), M5819_DATA_REG)
168*0Sstevel@tonic-gate #define	RTC_PUT8(offset, value) (	\
169*0Sstevel@tonic-gate 	M5819_ADDR_REG = (offset),	\
170*0Sstevel@tonic-gate 	M5819_DATA_REG = (value))
171*0Sstevel@tonic-gate 
172*0Sstevel@tonic-gate #ifdef	__cplusplus
173*0Sstevel@tonic-gate }
174*0Sstevel@tonic-gate #endif
175*0Sstevel@tonic-gate 
176*0Sstevel@tonic-gate #endif	/* _TODM5819_H */
177