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| Current File : //sys/amd64/compile/hs32/modules/usr/src/sys/modules/rc4/@/dev/mk48txx/mk48txxreg.h |
/*- * Copyright (c) 2000 The NetBSD Foundation, Inc. * All rights reserved. * * This code is derived from software contributed to The NetBSD Foundation * by Paul Kranenburg. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE * POSSIBILITY OF SUCH DAMAGE. * * $NetBSD: mk48txxreg.h,v 1.10 2008/04/28 20:23:50 martin Exp $ * * $FreeBSD: release/9.1.0/sys/dev/mk48txx/mk48txxreg.h 221957 2011-05-15 13:17:08Z marius $ */ /* * Mostek MK48Txx clocks. * * The MK48T02 has 2KB of non-volatile memory. The time-of-day clock * registers start at offset 0x7f8. * * The MK48T08 and MK48T18 have 8KB of non-volatile memory * * The MK48T59 also has 8KB of non-volatile memory but in addition it * has a battery low detection bit and a power supply wakeup alarm for * power management. It's at offset 0x1ff0 in the NVRAM. */ /* * Mostek MK48TXX register definitions */ /* * The first bank of eight registers at offset (nvramsz - 16) is * available only on recenter (which?) MK48Txx models. */ #define MK48TXX_FLAGS 0 /* flags register */ #define MK48TXX_UNUSED 1 /* unused */ #define MK48TXX_ASEC 2 /* alarm seconds (0..59; BCD) */ #define MK48TXX_AMIN 3 /* alarm minutes (0..59; BCD) */ #define MK48TXX_AHOUR 4 /* alarm hours (0..23; BCD) */ #define MK48TXX_ADAY 5 /* alarm day in month (1..31; BCD) */ #define MK48TXX_INTR 6 /* interrupts register */ #define MK48TXX_WDOG 7 /* watchdog register */ #define MK48TXX_ICSR 8 /* control register */ #define MK48TXX_ISEC 9 /* seconds (0..59; BCD) */ #define MK48TXX_IMIN 10 /* minutes (0..59; BCD) */ #define MK48TXX_IHOUR 11 /* hours (0..23; BCD) */ #define MK48TXX_IWDAY 12 /* weekday (1..7) */ #define MK48TXX_IDAY 13 /* day in month (1..31; BCD) */ #define MK48TXX_IMON 14 /* month (1..12; BCD) */ #define MK48TXX_IYEAR 15 /* year (0..99; BCD) */ /* * Note that some of the bits below that are not in the first eight * registers are also only available on models with an extended * register set. */ /* Bits in the flags register (extended only) */ #define MK48TXX_FLAGS_BL 0x10 /* battery low (read only) */ #define MK48TXX_FLAGS_AF 0x40 /* alarm flag (read only) */ #define MK48TXX_FLAGS_WDF 0x80 /* watchdog flag (read only) */ /* Bits in the alarm seconds register (extended only) */ #define MK48TXX_ASEC_MASK 0x7f /* mask for alarm seconds */ #define MK48TXX_ASEC_RPT1 0x80 /* alarm repeat mode bit 1 */ /* Bits in the alarm minutes register (extended only) */ #define MK48TXX_AMIN_MASK 0x7f /* mask for alarm minutes */ #define MK48TXX_AMIN_RPT2 0x80 /* alarm repeat mode bit 2 */ /* Bits in the alarm hours register (extended only) */ #define MK48TXX_AHOUR_MASK 0x3f /* mask for alarm hours */ #define MK48TXX_AHOUR_RPT3 0x80 /* alarm repeat mode bit 3 */ /* Bits in the alarm day in month register (extended only) */ #define MK48TXX_ADAY_MASK 0x3f /* mask for alarm day in month */ #define MK48TXX_ADAY_RPT4 0x80 /* alarm repeat mode bit 4 */ /* Bits in the interrupts register (extended only) */ #define MK48TXX_INTR_ABE 0x20 /* alarm in battery back-up mode */ #define MK48TXX_INTR_AFE 0x80 /* alarm flag enable */ /* Bits in the watchdog register (extended only) */ #define MK48TXX_WDOG_RB_1_16 0x00 /* watchdog resolution 1/16 second */ #define MK48TXX_WDOG_RB_1_4 0x01 /* watchdog resolution 1/4 second */ #define MK48TXX_WDOG_RB_1 0x02 /* watchdog resolution 1 second */ #define MK48TXX_WDOG_RB_4 0x03 /* watchdog resolution 4 seconds */ #define MK48TXX_WDOG_BMB_MASK 0x7c /* mask for watchdog multiplier */ #define MK48TXX_WDOG_BMB_SHIFT 2 /* shift for watchdog multiplier */ #define MK48TXX_WDOG_WDS 0x80 /* watchdog steering bit */ /* Bits in the control register */ #define MK48TXX_CSR_CALIB_MASK 0x1f /* mask for calibration step width */ #define MK48TXX_CSR_SIGN 0x20 /* sign of above calibration witdh */ #define MK48TXX_CSR_READ 0x40 /* want to read (freeze clock) */ #define MK48TXX_CSR_WRITE 0x80 /* want to write */ /* Bits in the seconds register */ #define MK48TXX_SEC_MASK 0x7f /* mask for seconds */ #define MK48TXX_SEC_ST 0x80 /* stop oscillator */ /* Bits in the minutes register */ #define MK48TXX_MIN_MASK 0x7f /* mask for minutes */ /* Bits in the hours register */ #define MK48TXX_HOUR_MASK 0x3f /* mask for hours */ /* Bits in the century/weekday register */ #define MK48TXX_WDAY_MASK 0x07 /* mask for weekday */ #define MK48TXX_WDAY_CB 0x10 /* century bit (extended only) */ #define MK48TXX_WDAY_CB_SHIFT 4 /* shift for century bit */ #define MK48TXX_WDAY_CEB 0x20 /* century enable bit (extended only) */ #define MK48TXX_WDAY_FT 0x40 /* frequency test */ /* Bits in the day in month register */ #define MK48TXX_DAY_MASK 0x3f /* mask for day in month */ /* Bits in the month register */ #define MK48TXX_MON_MASK 0x1f /* mask for month */ /* Bits in the year register */ #define MK48TXX_YEAR_MASK 0xff /* mask for year */ /* Model specific NVRAM sizes and clock offsets */ #define MK48T02_CLKSZ 2048 #define MK48T02_CLKOFF 0x7f0 #define MK48T08_CLKSZ 8192 #define MK48T08_CLKOFF 0x1ff0 #define MK48T18_CLKSZ 8192 #define MK48T18_CLKOFF 0x1ff0 #define MK48T37_CLKSZ 32768 #define MK48T37_CLKOFF 0x1ff0 #define MK48T59_CLKSZ 8192 #define MK48T59_CLKOFF 0x1ff0