1 /* $NetBSD: getsecs.c,v 1.3 2019/06/30 05:04:49 tsutsui 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 #include <machine/board.h>
34
35 #include <lib/libkern/libkern.h>
36 #include <lib/libsa/stand.h>
37 #include <lib/libsa/net.h>
38
39 #include <dev/clock_subr.h>
40
41 #include <luna68k/dev/timekeeper.h>
42 #include <luna68k/stand/boot/samachdep.h>
43
44 satime_t
getsecs(void)45 getsecs(void)
46 {
47 volatile uint8_t *mclock;
48 u_int t;
49
50 mclock = (volatile uint8_t *)OBIO_CLOCK_BASE;
51
52 if (machtype == LUNA_I) {
53 mclock += 2040;
54 mclock[MK_CSR] |= MK_CSR_READ;
55 t = bcdtobin(mclock[MK_SEC]);
56 t += bcdtobin(mclock[MK_MIN]) * 60;
57 t += bcdtobin(mclock[MK_HOUR]) * 60 * 60;
58 mclock[MK_CSR] &= ~MK_CSR_READ;
59 } else {
60 while (mclock[MC_REGA] & MC_REGA_UIP)
61 continue;
62 t = mclock[MC_SEC];
63 t += mclock[MC_MIN] * 60;
64 t += mclock[MC_HOUR] * 60 * 60;
65 }
66
67 return (satime_t)t;
68 }
69