1 /* $NetBSD: getsecs.c,v 1.2 2014/11/21 01:16:04 christos Exp $ */ 2 3 /*- 4 * Copyright (c) 2004 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 #include <machine/cpu.h> 33 34 #include <lib/libkern/libkern.h> 35 #include <lib/libsa/stand.h> 36 #include <lib/libsa/net.h> 37 38 #include <dev/clock_subr.h> 39 40 #include <luna68k/dev/timekeeper.h> 41 #include <luna68k/stand/boot/samachdep.h> 42 43 satime_t 44 getsecs(void) 45 { 46 volatile uint8_t *mclock; 47 u_int t; 48 49 mclock = (volatile uint8_t *)0x45000000; 50 51 if (machtype == LUNA_I) { 52 mclock += 2040; 53 mclock[MK_CSR] |= MK_CSR_READ; 54 t = bcdtobin(mclock[MK_SEC]); 55 t += bcdtobin(mclock[MK_MIN]) * 60; 56 t += bcdtobin(mclock[MK_HOUR]) * 60 * 60; 57 mclock[MK_CSR] &= ~MK_CSR_READ; 58 } else { 59 while (mclock[MC_REGA] & MC_REGA_UIP) 60 continue; 61 t = mclock[MC_SEC]; 62 t += mclock[MC_MIN] * 60; 63 t += mclock[MC_HOUR] * 60 * 60; 64 } 65 66 return (satime_t)t; 67 } 68