1 /* $NetBSD: t_sh7706lan.c,v 1.1 2010/04/06 15:54:31 nonaka 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 REGENTS AND CONTRIBUTORS ``AS IS'' AND 17 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 19 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 20 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 21 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 22 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 24 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 26 * SUCH DAMAGE. 27 */ 28 29 #include <sys/cdefs.h> 30 __KERNEL_RCSID(0, "$NetBS$"); 31 32 #include <sys/param.h> 33 #include <sys/systm.h> 34 35 #include <sh3/devreg.h> 36 #include <sh3/bscreg.h> 37 #include <sh3/intcreg.h> 38 #include <sh3/pfcreg.h> 39 40 void machine_init(void); 41 42 void 43 machine_init(void) 44 { 45 uint16_t reg; 46 47 /* IRQ0-4=IRQ */ 48 _reg_write_2(SH7709_PHCR, 0x2800); 49 50 /* IRQ5=IRQ */ 51 reg = _reg_read_2(SH7709_SCPCR); 52 reg &= 0x3ff; 53 _reg_write_2(SH7709_SCPCR, reg); 54 55 /* IRQ0-5=IRQ-mode, active-low */ 56 _reg_write_2(SH7709_ICR1, 0x0aaa); 57 58 /* CS4: 8bit bus width */ 59 reg = _reg_read_2(SH3_BCR2); 60 reg &= ~(BCR2_AREA_WIDTH_MASK << BCR2_AREA4_SHIFT); 61 reg |= (BCR2_AREA_WIDTH_8 << BCR2_AREA4_SHIFT); 62 _reg_write_2(SH3_BCR2, reg); 63 } 64