1 /* $NetBSD: tx39timerreg.h,v 1.5 2008/04/28 20:23:22 martin 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 * 19 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 20 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 21 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 22 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 23 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 24 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 25 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 26 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 27 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 28 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 29 * POSSIBILITY OF SUCH DAMAGE. 30 */ 31 32 /* 33 * Toshiba TX3912/3922 Timer module 34 */ 35 #define TX39_TIMERRTCHI_REG 0x140 36 #define TX39_TIMERRTCLO_REG 0x144 37 #define TX39_TIMERALARMHI_REG 0x148 38 #define TX39_TIMERALARMLO_REG 0x14C 39 #define TX39_TIMERCONTROL_REG 0x150 40 #define TX39_TIMERPERIODIC_REG 0x154 41 42 /* Periodic timer (1.15MHz) */ 43 #ifdef TX391X 44 /* 45 * TX3912 base clock is 36.864MHz 46 */ 47 #define TX39_TIMERCLK 1152000 48 #endif 49 #ifdef TX392X 50 /* 51 * TX3922 base clock seems to be 32.25MHz (Telios) 52 */ 53 #define TX39_TIMERCLK 1007812 54 #endif 55 56 /* Real timer clock (32.768kHz) */ 57 #define TX39_RTCLOCK 32768 58 #define TX39_MSEC2RTC(m) ((TX39_RTCLOCK * (m)) / 1000) 59 60 /* 61 * RTC Register High/Low 62 */ 63 /* R */ 64 #define TX39_TIMERRTCHI_SHIFT 0 65 #ifdef TX391X 66 #define TX39_TIMERRTCHI_MASK 0xff 67 #endif /* TX391X */ 68 #ifdef TX392X 69 #define TX39_TIMERRTCHI_MASK 0x7ff 70 #endif /* TX392X */ 71 72 #define TX39_TIMERRTCHI(cr) ((cr) & TX39_TIMERRTCHI_MASK) 73 74 /* 75 * Alarm Register High/Low 76 */ 77 /* R/W */ 78 #ifdef TX391X /* 40bit */ 79 #define TX39_TIMERALARMHI_SHIFT 0 80 #define TX39_TIMERALARMHI_MASK 0xff 81 #endif /* TX391X */ 82 #ifdef TX392X /* 43bit */ 83 #define TX39_TIMERALARMHI_SHIFT 0 84 #define TX39_TIMERALARMHI_MASK 0x7ff 85 #endif /* TX392X */ 86 87 #define TX39_TIMERALARMHI(cr) ((cr) & TX39_TIMERALARMHI_MASK) 88 89 /* 90 * Timer Control Register 91 */ 92 #define TX39_TIMERCONTROL_FREEZEPRE 0x00000080 93 #define TX39_TIMERCONTROL_FREEZERTC 0x00000040 94 #define TX39_TIMERCONTROL_FREEZETIMER 0x00000020 95 #define TX39_TIMERCONTROL_ENPERTIMER 0x00000010 96 #define TX39_TIMERCONTROL_RTCCLR 0x00000008 97 #define TX39_TIMERCONTROL_TESTCMS 0x00000004 /* Don't set */ 98 #define TX39_TIMERCONTROL_ENTESTCLK 0x00000002 /* Don't set */ 99 #define TX39_TIMERCONTROL_ENRTCTST 0x00000001 100 101 /* 102 * Periodic Timer Register 103 */ 104 /* R */ 105 #define TX39_TIMERPERIODIC_PERCNT_SHIFT 15 106 #define TX39_TIMERPERIODIC_PERCNT_MASK 0xffff 107 #define TX39_TIMERPERIODIC_PERCNT(cr) \ 108 (((cr) >> TX39_TIMERPERIODIC_PERCNT_SHIFT) & \ 109 TX39_TIMERPERIODIC_PERCNT_MASK) 110 /* R/W */ 111 #define TX39_TIMERPERIODIC_PERVAL_SHIFT 0 112 #define TX39_TIMERPERIODIC_PERVAL_MASK 0xffff 113 #define TX39_TIMERPERIODIC_PERVAL(cr) \ 114 (((cr) >> TX39_TIMERPERIODIC_PERVAL_SHIFT) & \ 115 TX39_TIMERPERIODIC_PERVAL_MASK) 116 #define TX39_TIMERPERIODIC_PERVAL_SET(cr, val) \ 117 ((cr) | (((val) << TX39_TIMERPERIODIC_PERVAL_SHIFT) & \ 118 (TX39_TIMERPERIODIC_PERVAL_MASK << TX39_TIMERPERIODIC_PERVAL_SHIFT))) 119 #define TX39_TIMERPERIODIC_PERVAL_CLR(cr) ((cr) &= \ 120 ~(TX39_TIMERPERIODIC_PERVAL_MASK << TX39_TIMERPERIODIC_PERVAL_SHIFT)) 121 #define TX39_TIMERPERIODIC_INTRRATE(val) \ 122 ((val) + 1)/TX39_TIMERCLK /* unit:Hz */ 123 124