1 /* $NetBSD: t_sh7706lan.c,v 1.3 2012/12/01 03:16:46 tsutsui Exp $ */
2
3 /*-
4 * Copyright (C) 2009 NONAKA Kimihiro <nonaka@netbsd.org>
5 * All rights reserved.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 * 1. Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in the
14 * documentation and/or other materials provided with the distribution.
15 *
16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
17 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
18 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
19 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
20 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
21 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
22 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
23 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
24 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
25 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
26 */
27
28 #include <sys/cdefs.h>
29 __KERNEL_RCSID(0, "$NetBSD: t_sh7706lan.c,v 1.3 2012/12/01 03:16:46 tsutsui Exp $");
30
31 #include <sys/param.h>
32 #include <sys/systm.h>
33
34 #include <sh3/devreg.h>
35 #include <sh3/bscreg.h>
36 #include <sh3/intcreg.h>
37 #include <sh3/pfcreg.h>
38
39 void machine_init(void);
40
41 void
machine_init(void)42 machine_init(void)
43 {
44 uint16_t reg;
45
46 /* IRQ0-4=IRQ */
47 _reg_write_2(SH7709_PHCR, 0x2800);
48
49 /* IRQ5=IRQ */
50 reg = _reg_read_2(SH7709_SCPCR);
51 reg &= 0x3ff;
52 _reg_write_2(SH7709_SCPCR, reg);
53
54 /* IRQ0-5=IRQ-mode, active-low */
55 _reg_write_2(SH7709_ICR1, 0x0aaa);
56
57 /* CS4: 8bit bus width */
58 reg = _reg_read_2(SH3_BCR2);
59 reg &= ~(BCR2_AREA_WIDTH_MASK << BCR2_AREA4_SHIFT);
60 reg |= (BCR2_AREA_WIDTH_8 << BCR2_AREA4_SHIFT);
61 _reg_write_2(SH3_BCR2, reg);
62 }
63