[people/ms/u-boot.git] / board / trab / tsc2000.c

/*
 * Functions to access the TSC2000 controller on TRAB board (used for scanning
 * thermo sensors)
 *
 * Copyright (C) 2003 Martin Krause, TQ-Systems GmbH, martin.krause@tqs.de
 *
 * Copyright (C) 2002 DENX Software Engineering, Wolfgang Denk, wd@denx.de
 *
 * See file CREDITS for list of people who contributed to this
 * project.
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License as
 * published by the Free Software Foundation; either version 2 of
 * the License, or (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
 * MA 02111-1307 USA
 */

#include <common.h>
#include <asm/arch/s3c24x0_cpu.h>
#include <asm/io.h>
#include <div64.h>
#include "tsc2000.h"

#include "Pt1000_temp_data.h"

/* helper function */
#define abs(value) (((value) < 0) ? ((value)*-1) : (value))

/*
 * Maximal allowed deviation between two immediate meassurments of an analog
Commit	Line	Data
4f7cb08e WD	1	/*
	2	* Functions to access the TSC2000 controller on TRAB board (used for scanning
	3	* thermo sensors)
	4	*
	5	* Copyright (C) 2003 Martin Krause, TQ-Systems GmbH, martin.krause@tqs.de
	6	*
	7	* Copyright (C) 2002 DENX Software Engineering, Wolfgang Denk, wd@denx.de
	8	*
	9	* See file CREDITS for list of people who contributed to this
	10	* project.
	11	*
	12	* This program is free software; you can redistribute it and/or
	13	* modify it under the terms of the GNU General Public License as
	14	* published by the Free Software Foundation; either version 2 of
	15	* the License, or (at your option) any later version.
	16	*
	17	* This program is distributed in the hope that it will be useful,
	18	* but WITHOUT ANY WARRANTY; without even the implied warranty of
	19	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	20	* GNU General Public License for more details.
	21	*
	22	* You should have received a copy of the GNU General Public License
	23	* along with this program; if not, write to the Free Software
	24	* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
	25	* MA 02111-1307 USA
	26	*/
	27
	28	#include <common.h>
ac67804f	29	#include <asm/arch/s3c24x0_cpu.h>
eb0ae7f5	30	#include <asm/io.h>
4265c35f	31	#include <div64.h>
4f7cb08e WD	32	#include "tsc2000.h"
4f7cb08e WD	33
f5300ab2 WD	34	#include "Pt1000_temp_data.h"
f5300ab2 WD	35
151ab83a WD	36	/* helper function */
	37	#define abs(value) (((value) < 0) ? ((value)*-1) : (value))
	38
	39	/*
	40	* Maximal allowed deviation between two immediate meassurments of an analog
	41