193836Stmm/*- 293836Stmm * Copyright (c) 2000 The NetBSD Foundation, Inc. 393836Stmm * All rights reserved. 493836Stmm * 593836Stmm * This code is derived from software contributed to The NetBSD Foundation 693836Stmm * by Paul Kranenburg. 793836Stmm * 893836Stmm * Redistribution and use in source and binary forms, with or without 993836Stmm * modification, are permitted provided that the following conditions 1093836Stmm * are met: 1193836Stmm * 1. Redistributions of source code must retain the above copyright 1293836Stmm * notice, this list of conditions and the following disclaimer. 1393836Stmm * 2. Redistributions in binary form must reproduce the above copyright 1493836Stmm * notice, this list of conditions and the following disclaimer in the 1593836Stmm * documentation and/or other materials provided with the distribution. 1693836Stmm * 1793836Stmm * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 1893836Stmm * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 1993836Stmm * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 2093836Stmm * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 2193836Stmm * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 2293836Stmm * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 2393836Stmm * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 2493836Stmm * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 2593836Stmm * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 2693836Stmm * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 2793836Stmm * POSSIBILITY OF SUCH DAMAGE. 2893836Stmm * 29201004Smarius * $NetBSD: mk48txxreg.h,v 1.10 2008/04/28 20:23:50 martin Exp $ 3093836Stmm * 3193836Stmm * $FreeBSD: releng/10.2/sys/dev/mk48txx/mk48txxreg.h 221957 2011-05-15 13:17:08Z marius $ 3293836Stmm */ 3393836Stmm 3493836Stmm/* 3593836Stmm * Mostek MK48Txx clocks. 3693836Stmm * 3793836Stmm * The MK48T02 has 2KB of non-volatile memory. The time-of-day clock 3893836Stmm * registers start at offset 0x7f8. 3993836Stmm * 40137813Smarius * The MK48T08 and MK48T18 have 8KB of non-volatile memory 4193836Stmm * 4293836Stmm * The MK48T59 also has 8KB of non-volatile memory but in addition it 4393836Stmm * has a battery low detection bit and a power supply wakeup alarm for 4493836Stmm * power management. It's at offset 0x1ff0 in the NVRAM. 4593836Stmm */ 4693836Stmm 4793836Stmm/* 4893836Stmm * Mostek MK48TXX register definitions 4993836Stmm */ 5093836Stmm 5193836Stmm/* 5293836Stmm * The first bank of eight registers at offset (nvramsz - 16) is 5393836Stmm * available only on recenter (which?) MK48Txx models. 5493836Stmm */ 55201003Smarius#define MK48TXX_FLAGS 0 /* flags register */ 56201003Smarius#define MK48TXX_UNUSED 1 /* unused */ 57201003Smarius#define MK48TXX_ASEC 2 /* alarm seconds (0..59; BCD) */ 58201003Smarius#define MK48TXX_AMIN 3 /* alarm minutes (0..59; BCD) */ 59201003Smarius#define MK48TXX_AHOUR 4 /* alarm hours (0..23; BCD) */ 60201003Smarius#define MK48TXX_ADAY 5 /* alarm day in month (1..31; BCD) */ 61201003Smarius#define MK48TXX_INTR 6 /* interrupts register */ 62201003Smarius#define MK48TXX_WDOG 7 /* watchdog register */ 63135481Smarius 64201003Smarius#define MK48TXX_ICSR 8 /* control register */ 65201003Smarius#define MK48TXX_ISEC 9 /* seconds (0..59; BCD) */ 66201003Smarius#define MK48TXX_IMIN 10 /* minutes (0..59; BCD) */ 67201003Smarius#define MK48TXX_IHOUR 11 /* hours (0..23; BCD) */ 68201003Smarius#define MK48TXX_IWDAY 12 /* weekday (1..7) */ 69201003Smarius#define MK48TXX_IDAY 13 /* day in month (1..31; BCD) */ 70201003Smarius#define MK48TXX_IMON 14 /* month (1..12; BCD) */ 71201003Smarius#define MK48TXX_IYEAR 15 /* year (0..99; BCD) */ 7293836Stmm 73135481Smarius/* 74135481Smarius * Note that some of the bits below that are not in the first eight 75135481Smarius * registers are also only available on models with an extended 76135481Smarius * register set. 77135481Smarius */ 78135481Smarius 79135481Smarius/* Bits in the flags register (extended only) */ 80201003Smarius#define MK48TXX_FLAGS_BL 0x10 /* battery low (read only) */ 81201003Smarius#define MK48TXX_FLAGS_AF 0x40 /* alarm flag (read only) */ 82201003Smarius#define MK48TXX_FLAGS_WDF 0x80 /* watchdog flag (read only) */ 83135481Smarius 84135481Smarius/* Bits in the alarm seconds register (extended only) */ 85201003Smarius#define MK48TXX_ASEC_MASK 0x7f /* mask for alarm seconds */ 86201003Smarius#define MK48TXX_ASEC_RPT1 0x80 /* alarm repeat mode bit 1 */ 87135481Smarius 88135481Smarius/* Bits in the alarm minutes register (extended only) */ 89201003Smarius#define MK48TXX_AMIN_MASK 0x7f /* mask for alarm minutes */ 90201003Smarius#define MK48TXX_AMIN_RPT2 0x80 /* alarm repeat mode bit 2 */ 91135481Smarius 92135481Smarius/* Bits in the alarm hours register (extended only) */ 93201003Smarius#define MK48TXX_AHOUR_MASK 0x3f /* mask for alarm hours */ 94201003Smarius#define MK48TXX_AHOUR_RPT3 0x80 /* alarm repeat mode bit 3 */ 95135481Smarius 96135481Smarius/* Bits in the alarm day in month register (extended only) */ 97201003Smarius#define MK48TXX_ADAY_MASK 0x3f /* mask for alarm day in month */ 98201003Smarius#define MK48TXX_ADAY_RPT4 0x80 /* alarm repeat mode bit 4 */ 99135481Smarius 100135481Smarius/* Bits in the interrupts register (extended only) */ 101201003Smarius#define MK48TXX_INTR_ABE 0x20 /* alarm in battery back-up mode */ 102201003Smarius#define MK48TXX_INTR_AFE 0x80 /* alarm flag enable */ 103135481Smarius 104135481Smarius/* Bits in the watchdog register (extended only) */ 105201003Smarius#define MK48TXX_WDOG_RB_1_16 0x00 /* watchdog resolution 1/16 second */ 106201003Smarius#define MK48TXX_WDOG_RB_1_4 0x01 /* watchdog resolution 1/4 second */ 107201003Smarius#define MK48TXX_WDOG_RB_1 0x02 /* watchdog resolution 1 second */ 108201003Smarius#define MK48TXX_WDOG_RB_4 0x03 /* watchdog resolution 4 seconds */ 109201003Smarius#define MK48TXX_WDOG_BMB_MASK 0x7c /* mask for watchdog multiplier */ 110201003Smarius#define MK48TXX_WDOG_BMB_SHIFT 2 /* shift for watchdog multiplier */ 111201003Smarius#define MK48TXX_WDOG_WDS 0x80 /* watchdog steering bit */ 112135481Smarius 11393836Stmm/* Bits in the control register */ 114201003Smarius#define MK48TXX_CSR_CALIB_MASK 0x1f /* mask for calibration step width */ 115201003Smarius#define MK48TXX_CSR_SIGN 0x20 /* sign of above calibration witdh */ 116201003Smarius#define MK48TXX_CSR_READ 0x40 /* want to read (freeze clock) */ 117201003Smarius#define MK48TXX_CSR_WRITE 0x80 /* want to write */ 11893836Stmm 119135481Smarius/* Bits in the seconds register */ 120201003Smarius#define MK48TXX_SEC_MASK 0x7f /* mask for seconds */ 121201003Smarius#define MK48TXX_SEC_ST 0x80 /* stop oscillator */ 122135481Smarius 123135481Smarius/* Bits in the minutes register */ 124201003Smarius#define MK48TXX_MIN_MASK 0x7f /* mask for minutes */ 125135481Smarius 126135481Smarius/* Bits in the hours register */ 127201003Smarius#define MK48TXX_HOUR_MASK 0x3f /* mask for hours */ 128135481Smarius 129135481Smarius/* Bits in the century/weekday register */ 130201003Smarius#define MK48TXX_WDAY_MASK 0x07 /* mask for weekday */ 131201003Smarius#define MK48TXX_WDAY_CB 0x10 /* century bit (extended only) */ 132201003Smarius#define MK48TXX_WDAY_CB_SHIFT 4 /* shift for century bit */ 133201003Smarius#define MK48TXX_WDAY_CEB 0x20 /* century enable bit (extended only) */ 134201003Smarius#define MK48TXX_WDAY_FT 0x40 /* frequency test */ 135135481Smarius 136135481Smarius/* Bits in the day in month register */ 137201003Smarius#define MK48TXX_DAY_MASK 0x3f /* mask for day in month */ 138135481Smarius 139135481Smarius/* Bits in the month register */ 140201003Smarius#define MK48TXX_MON_MASK 0x1f /* mask for month */ 141135481Smarius 142135481Smarius/* Bits in the year register */ 143201003Smarius#define MK48TXX_YEAR_MASK 0xff /* mask for year */ 144135481Smarius 145135481Smarius/* Model specific NVRAM sizes and clock offsets */ 146201003Smarius#define MK48T02_CLKSZ 2048 147201003Smarius#define MK48T02_CLKOFF 0x7f0 14893836Stmm 149201003Smarius#define MK48T08_CLKSZ 8192 150201003Smarius#define MK48T08_CLKOFF 0x1ff0 15193836Stmm 152201003Smarius#define MK48T18_CLKSZ 8192 153201003Smarius#define MK48T18_CLKOFF 0x1ff0 154137813Smarius 155221957Smarius#define MK48T37_CLKSZ 32768 156221957Smarius#define MK48T37_CLKOFF 0x1ff0 157221957Smarius 158201003Smarius#define MK48T59_CLKSZ 8192 159201003Smarius#define MK48T59_CLKOFF 0x1ff0 160