77 lines
3.2 KiB
C
77 lines
3.2 KiB
C
/* $NetBSD: smdk2410_io_init.c,v 1.2 2005/12/11 12:17:09 christos Exp $ */
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/*
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* Copyright (c) 2003 By Noon Software, Inc. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. The names of the authors may not be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <arm/s3c2xx0/s3c2410reg.h>
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#define IOW(a, d) (*(volatile unsigned int *)(a) = (d))
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#define IOR(a) (*(volatile unsigned int *)(a))
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void smdk2410_io_init(void);
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void
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smdk2410_io_init(void)
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{
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#define O PCON_OUTPUT
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#define I PCON_INPUT
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#define A PCON_ALTFUN
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#define _ 0
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#define _C(b15,b14,b13,b12,b11,b10,b9,b8,b7,b6,b5,b4,b3,b2,b1,b0) \
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((b15<<30)|(b14<<28)|(b13<<26)|(b12<<24)|(b11<<22)|(b10<<20)|(b9<<18)|(b8<<16)|(b7<<14)|(b6<<12)|(b5<<10)|(b4<<8)|(b3<<6)|(b2<<4)|(b1<<2)|(b0<<0))
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/* GPIO port */
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IOW(S3C2410_GPIO_BASE+GPIO_PACON, 0x7fffff);
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IOW(S3C2410_GPIO_BASE+GPIO_PBCON, _C(_,_,_,_,_,I,O,I,O,I,O,O,O,O,O,O));
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IOW(S3C2410_GPIO_BASE+GPIO_PBUP, 0x07ff);
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IOW(S3C2410_GPIO_BASE+GPIO_PCCON, _C(A,A,A,A,A,A,A,A,A,A,A,A,A,A,A,A));
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IOW(S3C2410_GPIO_BASE+GPIO_PCUP, 0xffff);
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IOW(S3C2410_GPIO_BASE+GPIO_PDCON, _C(A,A,A,A,A,A,A,A,A,A,A,A,A,A,A,A));
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IOW(S3C2410_GPIO_BASE+GPIO_PDUP, 0xffff);
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IOW(S3C2410_GPIO_BASE+GPIO_PECON, _C(A,A,A,A,A,A,A,A,A,A,A,A,A,A,A,A));
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IOW(S3C2410_GPIO_BASE+GPIO_PEUP, 0xffff);
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IOW(S3C2410_GPIO_BASE+GPIO_PFCON, _C(_,_,_,_,_,_,_,_,O,O,O,O,A,A,A,A));
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IOW(S3C2410_GPIO_BASE+GPIO_PFUP, 0x00ff);
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IOW(S3C2410_GPIO_BASE+GPIO_PGCON, _C(3,3,3,3,A,O,O,O,3,3,3,3,A,3,A,A));
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IOW(S3C2410_GPIO_BASE+GPIO_PGUP, 0xffff);
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IOW(S3C2410_GPIO_BASE+GPIO_PHCON, _C(_,_,_,_,_,A,A,A,3,3,A,A,A,A,A,A));
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IOW(S3C2410_GPIO_BASE+GPIO_PHUP, 0x07ff);
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IOW(S3C2410_GPIO_BASE+GPIO_EXTINT(0), 0x22222222);
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IOW(S3C2410_GPIO_BASE+GPIO_EXTINT(1), 0x22222222);
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IOW(S3C2410_GPIO_BASE+GPIO_EXTINT(2), 0x22222222);
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#undef O
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#undef I
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#undef A
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#undef _
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#undef _C
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/* Interrupt controller */
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IOW(S3C2410_INTCTL_BASE+INTCTL_INTMOD, 0);
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IOW(S3C2410_INTCTL_BASE+INTCTL_INTMSK, 0);
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}
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