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tx39timerreg.h revision 1.4 
      1 /*	$NetBSD: tx39timerreg.h,v 1.4 2000/09/28 16:18:26 uch Exp $ */
      2 
      3 /*-
      4  * Copyright (c) 1999, 2000 The NetBSD Foundation, Inc.
      5  * All rights reserved.
      6  *
      7  * This code is derived from software contributed to The NetBSD Foundation
      8  * by UCHIYAMA Yasushi.
      9  *
     10  * Redistribution and use in source and binary forms, with or without
     11  * modification, are permitted provided that the following conditions
     12  * are met:
     13  * 1. Redistributions of source code must retain the above copyright
     14  *    notice, this list of conditions and the following disclaimer.
     15  * 2. Redistributions in binary form must reproduce the above copyright
     16  *    notice, this list of conditions and the following disclaimer in the
     17  *    documentation and/or other materials provided with the distribution.
     18  * 3. All advertising materials mentioning features or use of this software
     19  *    must display the following acknowledgement:
     20  *        This product includes software developed by the NetBSD
     21  *        Foundation, Inc. and its contributors.
     22  * 4. Neither the name of The NetBSD Foundation nor the names of its
     23  *    contributors may be used to endorse or promote products derived
     24  *    from this software without specific prior written permission.
     25  *
     26  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
     27  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     28  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     29  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
     30  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     31  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     32  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     33  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     34  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     35  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     36  * POSSIBILITY OF SUCH DAMAGE.
     37  */
     38 
     39 /*
     40  * Toshiba TX3912/3922 Timer module
     41  */
     42 #define TX39_TIMERRTCHI_REG		0x140
     43 #define TX39_TIMERRTCLO_REG		0x144
     44 #define TX39_TIMERALARMHI_REG		0x148
     45 #define TX39_TIMERALARMLO_REG		0x14C
     46 #define TX39_TIMERCONTROL_REG		0x150
     47 #define	TX39_TIMERPERIODIC_REG		0x154
     48 
     49 /* Periodic timer (1.15MHz) */
     50 #ifdef TX391X
     51 /*
     52  * TX3912 base clock is 36.864MHz
     53  */
     54 #define TX39_TIMERCLK			1152000
     55 #endif
     56 #ifdef TX392X
     57 /*
     58  * TX3922 base clock seems to be 32.25MHz (Telios)
     59  */
     60 #define TX39_TIMERCLK			1007812
     61 #endif
     62 
     63 /* Real timer clock (32.768kHz) */
     64 #define TX39_RTCLOCK			32768
     65 #define TX39_MSEC2RTC(m)		((TX39_RTCLOCK * (m)) / 1000)
     66 
     67 /*
     68  *	RTC Register High/Low
     69  */
     70 /* R */
     71 #define TX39_TIMERRTCHI_SHIFT		0
     72 #ifdef TX391X
     73 #define TX39_TIMERRTCHI_MASK		0xff
     74 #endif /* TX391X */
     75 #ifdef TX392X
     76 #define TX39_TIMERRTCHI_MASK		0x7ff
     77 #endif /* TX392X */
     78 
     79 #define TX39_TIMERRTCHI(cr)		((cr) & TX39_TIMERRTCHI_MASK)
     80 
     81 /*
     82  *	Alarm Register High/Low
     83  */
     84 /* R/W */
     85 #ifdef TX391X /* 40bit */
     86 #define TX39_TIMERALARMHI_SHIFT		0
     87 #define TX39_TIMERALARMHI_MASK		0xff
     88 #endif /* TX391X */
     89 #ifdef TX392X /* 43bit */
     90 #define TX39_TIMERALARMHI_SHIFT		0
     91 #define TX39_TIMERALARMHI_MASK		0x7ff
     92 #endif /* TX392X */
     93 
     94 #define TX39_TIMERALARMHI(cr)		((cr) & TX39_TIMERALARMHI_MASK)
     95 
     96 /*
     97  *	Timer Control Register
     98  */
     99 #define TX39_TIMERCONTROL_FREEZEPRE	0x00000080
    100 #define TX39_TIMERCONTROL_FREEZERTC	0x00000040
    101 #define TX39_TIMERCONTROL_FREEZETIMER	0x00000020
    102 #define TX39_TIMERCONTROL_ENPERTIMER	0x00000010
    103 #define TX39_TIMERCONTROL_RTCCLR	0x00000008
    104 #define TX39_TIMERCONTROL_TESTCMS	0x00000004	/* Don't set */
    105 #define TX39_TIMERCONTROL_ENTESTCLK	0x00000002	/* Don't set */
    106 #define TX39_TIMERCONTROL_ENRTCTST	0x00000001
    107 
    108 /*
    109  *	Periodic Timer Register
    110  */
    111 /* R */
    112 #define TX39_TIMERPERIODIC_PERCNT_SHIFT 15
    113 #define TX39_TIMERPERIODIC_PERCNT_MASK	0xffff
    114 #define TX39_TIMERPERIODIC_PERCNT(cr)					\
    115 	(((cr) >> TX39_TIMERPERIODIC_PERCNT_SHIFT) &			\
    116 	TX39_TIMERPERIODIC_PERCNT_MASK)
    117 /* R/W */
    118 #define TX39_TIMERPERIODIC_PERVAL_SHIFT 0
    119 #define TX39_TIMERPERIODIC_PERVAL_MASK	0xffff
    120 #define TX39_TIMERPERIODIC_PERVAL(cr)					\
    121 	(((cr) >> TX39_TIMERPERIODIC_PERVAL_SHIFT) &			\
    122 	TX39_TIMERPERIODIC_PERVAL_MASK)
    123 #define TX39_TIMERPERIODIC_PERVAL_SET(cr, val)				\
    124 	((cr) | (((val) << TX39_TIMERPERIODIC_PERVAL_SHIFT) &		\
    125 	(TX39_TIMERPERIODIC_PERVAL_MASK << TX39_TIMERPERIODIC_PERVAL_SHIFT)))
    126 #define TX39_TIMERPERIODIC_PERVAL_CLR(cr) ((cr) &=			\
    127 	 ~(TX39_TIMERPERIODIC_PERVAL_MASK << TX39_TIMERPERIODIC_PERVAL_SHIFT))
    128 #define TX39_TIMERPERIODIC_INTRRATE(val)				\
    129 	((val) + 1)/TX39_TIMERCLK /* unit:Hz */
    130 
    131