rtcreg.h revision 5391
11363SN/A/* 21363SN/A * Copyright (c) 2005 The Regents of The University of Michigan 31363SN/A * All rights reserved. 41363SN/A * 51363SN/A * Redistribution and use in source and binary forms, with or without 61363SN/A * modification, are permitted provided that the following conditions are 71363SN/A * met: redistributions of source code must retain the above copyright 81363SN/A * notice, this list of conditions and the following disclaimer; 91363SN/A * redistributions in binary form must reproduce the above copyright 101363SN/A * notice, this list of conditions and the following disclaimer in the 111363SN/A * documentation and/or other materials provided with the distribution; 121363SN/A * neither the name of the copyright holders nor the names of its 131363SN/A * contributors may be used to endorse or promote products derived from 141363SN/A * this software without specific prior written permission. 151363SN/A * 161363SN/A * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 171363SN/A * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 181363SN/A * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 191363SN/A * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 201363SN/A * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 211363SN/A * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 221363SN/A * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 231363SN/A * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 241363SN/A * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 251363SN/A * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 261363SN/A * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 272665Ssaidi@eecs.umich.edu * 282665Ssaidi@eecs.umich.edu * Authors: Ali Saidi 292665Ssaidi@eecs.umich.edu * Miguel Serrano 302665Ssaidi@eecs.umich.edu * Nathan Binkert 311363SN/A */ 321363SN/A 335391Sgblack@eecs.umich.edustatic const int RTC_SEC = 0x00; 345391Sgblack@eecs.umich.edustatic const int RTC_SEC_ALRM = 0x01; 355391Sgblack@eecs.umich.edustatic const int RTC_MIN = 0x02; 365391Sgblack@eecs.umich.edustatic const int RTC_MIN_ALRM = 0x03; 375391Sgblack@eecs.umich.edustatic const int RTC_HR = 0x04; 385391Sgblack@eecs.umich.edustatic const int RTC_HR_ALRM = 0x05; 395391Sgblack@eecs.umich.edustatic const int RTC_DOW = 0x06; 405391Sgblack@eecs.umich.edustatic const int RTC_DOM = 0x07; 415391Sgblack@eecs.umich.edustatic const int RTC_MON = 0x08; 425391Sgblack@eecs.umich.edustatic const int RTC_YEAR = 0x09; 431363SN/A 445391Sgblack@eecs.umich.edustatic const int RTC_STAT_REGA = 0x0A; 455391Sgblack@eecs.umich.edustatic const int RTCA_1024HZ = 0x06; /* 1024Hz periodic interrupt frequency */ 465391Sgblack@eecs.umich.edustatic const int RTCA_32768HZ = 0x20; /* 22-stage divider, 32.768KHz timebase */ 475391Sgblack@eecs.umich.edustatic const int RTCA_UIP = 0x80; /* 1 = date and time update in progress */ 481817SN/A 495391Sgblack@eecs.umich.edustatic const int RTC_STAT_REGB = 0x0B; 505391Sgblack@eecs.umich.edustatic const int RTCB_DST = 0x01; /* USA Daylight Savings Time enable */ 515391Sgblack@eecs.umich.edustatic const int RTCB_24HR = 0x02; /* 0 = 12 hours, 1 = 24 hours */ 525391Sgblack@eecs.umich.edustatic const int RTCB_BIN = 0x04; /* 0 = BCD, 1 = Binary coded time */ 535391Sgblack@eecs.umich.edustatic const int RTCB_SQWE = 0x08; /* 1 = output sqare wave at SQW pin */ 545391Sgblack@eecs.umich.edustatic const int RTCB_UPDT_IE = 0x10; /* 1 = enable update-ended interrupt */ 555391Sgblack@eecs.umich.edustatic const int RTCB_ALRM_IE = 0x20; /* 1 = enable alarm interrupt */ 565391Sgblack@eecs.umich.edustatic const int RTCB_PRDC_IE = 0x40; /* 1 = enable periodic clock interrupt */ 575391Sgblack@eecs.umich.edustatic const int RTCB_NO_UPDT = 0x80; /* stop clock updates */ 581817SN/A 595391Sgblack@eecs.umich.edustatic const int RTC_STAT_REGC = 0x0C; 605391Sgblack@eecs.umich.edustatic const int RTC_STAT_REGD = 0x0D; 611817SN/A 62