Home | History | Annotate | Line # | Download | only in t_sh7706lan 
      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 (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 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
     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