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t_sh7706lan.c revision 1.1 
      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 (at) 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