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* $Id: ost.h,v 1.9 2003/04/26 22:56:35 telka Exp $
*
* XScale PXA26x/PXA255/PXA250/PXA210 OS Timer Registers
* Copyright (C) 2002, 2003 ETC s.r.o.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. Neither the name of the ETC s.r.o. nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* Written by Marcel Telka <marcel@telka.sk>, 2002, 2003.
*
* Documentation:
* [1] Intel Corporation, "Intel PXA250 and PXA210 Application Processors
* Developer's Manual", February 2002, Order Number: 278522-001
* [2] Intel Corporation, "Intel PXA26x Processor Family Developer's Manual",
* March 2003, Order Number: 278638-002
* [3] Intel Corporation, "Intel PXA255 Processor Developer's Manual"
* March 2003, Order Number: 278693-001
*
*/
#ifndef PXA2X0_OST_H
#define PXA2X0_OST_H
#include <common.h>
#if LANGUAGE == C
#include <stdint.h>
#endif
#if defined(PXA2X0_NOPXA250) && !defined(PXA2X0_NOPXA255)
#define PXA2X0_NOPXA255
#endif
#if defined(PXA2X0_NOPXA255) && !defined(PXA2X0_NOPXA260)
#define PXA2X0_NOPXA260
#endif
/* OS Timer Registers */
#define OST_BASE 0x40A00000
#if LANGUAGE == C
typedef volatile struct OST_registers {
uint32_t osmr[4];
uint32_t oscr;
uint32_t ossr;
uint32_t ower;
uint32_t oier;
} OST_registers_t;
#ifdef PXA2X0_UNMAPPED
#define OST_pointer ((OST_registers_t*) OST_BASE)
#endif
#define OSMR(i) OST_pointer->osmr[i]
#define OSMR0 OSMR(0)
#define OSMR1 OSMR(1)
#define OSMR2 OSMR(2)
#define OSMR3 OSMR(3)
#define OSCR OST_pointer->oscr
#define OSSR OST_pointer->ossr
#define OWER OST_pointer->ower
#define OIER OST_pointer->oier
#endif /* LANGUAGE == C */
#define OSMR0_OFFSET 0x00
#define OSMR1_OFFSET 0x04
#define OSMR2_OFFSET 0x08
#define OSMR3_OFFSET 0x0C
#define OSCR_OFFSET 0x10
#define OSSR_OFFSET 0x14
#define OWER_OFFSET 0x18
#define OIER_OFFSET 0x1C
/* OSSR bits - see 4.4.2.5 in [1], Table 4-48 in [2], Table 4-45 in [3] */
#define OSSR_M3 bit(3)
#define OSSR_M2 bit(2)
#define OSSR_M1 bit(1)
#define OSSR_M0 bit(0)
/* OWER bits - see Table 4-46 in [1], Table 4-46 in [2], Table 4-43 in [3] */
#define OWER_WME bit(0)
/* OIER bits - see Table 4-45 in [1], Table 4-45 in [2], Table 4-42 in [3] */
#define OIER_E3 bit(3)
#define OIER_E2 bit(2)
#define OIER_E1 bit(1)
#define OIER_E0 bit(0)
#endif /* PXA2X0_OST_H */
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