smdk2410_io_init.c revision 1.2
11.2Schristos/* $NetBSD: smdk2410_io_init.c,v 1.2 2005/12/11 12:17:09 christos Exp $ */ 21.1Smycroft 31.1Smycroft/* 41.1Smycroft * Copyright (c) 2003 By Noon Software, Inc. All rights reserved. 51.1Smycroft * 61.1Smycroft * Redistribution and use in source and binary forms, with or without 71.1Smycroft * modification, are permitted provided that the following conditions 81.1Smycroft * are met: 91.1Smycroft * 1. Redistributions of source code must retain the above copyright 101.1Smycroft * notice, this list of conditions and the following disclaimer. 111.1Smycroft * 2. Redistributions in binary form must reproduce the above copyright 121.1Smycroft * notice, this list of conditions and the following disclaimer in the 131.1Smycroft * documentation and/or other materials provided with the distribution. 141.1Smycroft * 3. The names of the authors may not be used to endorse or promote products 151.1Smycroft * derived from this software without specific prior written permission. 161.1Smycroft * 171.1Smycroft * THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``AS IS'' AND ANY EXPRESS OR 181.1Smycroft * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 191.1Smycroft * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 201.1Smycroft * IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY DIRECT, INDIRECT, 211.1Smycroft * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 221.1Smycroft * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 231.1Smycroft * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 241.1Smycroft * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 251.1Smycroft * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 261.1Smycroft * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 271.1Smycroft */ 281.1Smycroft 291.1Smycroft 301.1Smycroft#include <arm/s3c2xx0/s3c2410reg.h> 311.1Smycroft 321.1Smycroft#define IOW(a, d) (*(volatile unsigned int *)(a) = (d)) 331.1Smycroft#define IOR(a) (*(volatile unsigned int *)(a)) 341.1Smycroft 351.1Smycroftvoid smdk2410_io_init(void); 361.1Smycroft 371.1Smycroftvoid 381.1Smycroftsmdk2410_io_init(void) 391.1Smycroft{ 401.1Smycroft#define O PCON_OUTPUT 411.1Smycroft#define I PCON_INPUT 421.1Smycroft#define A PCON_ALTFUN 431.1Smycroft#define _ 0 441.1Smycroft#define _C(b15,b14,b13,b12,b11,b10,b9,b8,b7,b6,b5,b4,b3,b2,b1,b0) \ 451.1Smycroft ((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)) 461.1Smycroft 471.1Smycroft /* GPIO port */ 481.1Smycroft IOW(S3C2410_GPIO_BASE+GPIO_PACON, 0x7fffff); 491.1Smycroft IOW(S3C2410_GPIO_BASE+GPIO_PBCON, _C(_,_,_,_,_,I,O,I,O,I,O,O,O,O,O,O)); 501.1Smycroft IOW(S3C2410_GPIO_BASE+GPIO_PBUP, 0x07ff); 511.1Smycroft IOW(S3C2410_GPIO_BASE+GPIO_PCCON, _C(A,A,A,A,A,A,A,A,A,A,A,A,A,A,A,A)); 521.1Smycroft IOW(S3C2410_GPIO_BASE+GPIO_PCUP, 0xffff); 531.1Smycroft IOW(S3C2410_GPIO_BASE+GPIO_PDCON, _C(A,A,A,A,A,A,A,A,A,A,A,A,A,A,A,A)); 541.1Smycroft IOW(S3C2410_GPIO_BASE+GPIO_PDUP, 0xffff); 551.1Smycroft IOW(S3C2410_GPIO_BASE+GPIO_PECON, _C(A,A,A,A,A,A,A,A,A,A,A,A,A,A,A,A)); 561.1Smycroft IOW(S3C2410_GPIO_BASE+GPIO_PEUP, 0xffff); 571.1Smycroft IOW(S3C2410_GPIO_BASE+GPIO_PFCON, _C(_,_,_,_,_,_,_,_,O,O,O,O,A,A,A,A)); 581.1Smycroft IOW(S3C2410_GPIO_BASE+GPIO_PFUP, 0x00ff); 591.1Smycroft IOW(S3C2410_GPIO_BASE+GPIO_PGCON, _C(3,3,3,3,A,O,O,O,3,3,3,3,A,3,A,A)); 601.1Smycroft IOW(S3C2410_GPIO_BASE+GPIO_PGUP, 0xffff); 611.1Smycroft IOW(S3C2410_GPIO_BASE+GPIO_PHCON, _C(_,_,_,_,_,A,A,A,3,3,A,A,A,A,A,A)); 621.1Smycroft IOW(S3C2410_GPIO_BASE+GPIO_PHUP, 0x07ff); 631.1Smycroft IOW(S3C2410_GPIO_BASE+GPIO_EXTINT(0), 0x22222222); 641.1Smycroft IOW(S3C2410_GPIO_BASE+GPIO_EXTINT(1), 0x22222222); 651.1Smycroft IOW(S3C2410_GPIO_BASE+GPIO_EXTINT(2), 0x22222222); 661.1Smycroft 671.1Smycroft#undef O 681.1Smycroft#undef I 691.1Smycroft#undef A 701.1Smycroft#undef _ 711.1Smycroft#undef _C 721.1Smycroft 731.1Smycroft /* Interrupt controller */ 741.1Smycroft IOW(S3C2410_INTCTL_BASE+INTCTL_INTMOD, 0); 751.1Smycroft IOW(S3C2410_INTCTL_BASE+INTCTL_INTMSK, 0); 761.1Smycroft} 77