rt-thread/bsp/imx6ul/platform/cpu/arm_cp_registers.h

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3.4 KiB
C

/*
* Copyright (c) 2012, Freescale Semiconductor, Inc.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
*
* o Redistributions of source code must retain the above copyright notice, this list
* of conditions and the following disclaimer.
*
* o 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.
*
* o Neither the name of Freescale Semiconductor, Inc. nor the names of its
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* software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
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//! @addtogroup cortexa9
//! @{
/*!
* @file arm_cp_registers.h
* @brief Definitions for ARM coprocessor registers.
*/
#ifndef __ARM_CP_REGISTERS_H__
#define __ARM_CP_REGISTERS_H__
////////////////////////////////////////////////////////////////////////////////
// Definitions
////////////////////////////////////////////////////////////////////////////////
//! @name ACTLR
//@{
#define BM_ACTLR_SMP (1 << 6)
//@}
//! @name DFSR
//@{
#define BM_DFSR_WNR (1 << 11) //!< Write not Read bit. 0=read, 1=write.
#define BM_DFSR_FS4 (0x400) //!< Fault status bit 4..
#define BP_DFSR_FS4 (10) //!< Bit position for FS[4].
#define BM_DFSR_FS (0xf) //!< Fault status bits [3:0].
//@}
//! @name SCTLR
//@{
#define BM_SCTLR_TE (1 << 30) //!< Thumb exception enable.
#define BM_SCTLR_AFE (1 << 29) //!< Access flag enable.
#define BM_SCTLR_TRE (1 << 28) //!< TEX remap enable.
#define BM_SCTLR_NMFI (1 << 27) //!< Non-maskable FIQ support.
#define BM_SCTLR_EE (1 << 25) //!< Exception endianess.
#define BM_SCTLR_VE (1 << 24) //!< Interrupt vectors enable.
#define BM_SCTLR_FI (1 << 21) //!< Fast interrupt configurable enable.
#define BM_SCTLR_RR (1 << 14) //!< Round Robin
#define BM_SCTLR_V (1 << 13) //!< Vectors
#define BM_SCTLR_I (1 << 12) //!< Instruction cache enable
#define BM_SCTLR_Z (1 << 11) //!< Branch prediction enable
#define BM_SCTLR_SW (1 << 10) //!< SWP and SWPB enable
#define BM_SCTLR_CP15BEN (1 << 5) //!< CP15 barrier enable
#define BM_SCTLR_C (1 << 2) //!< Data cache enable
#define BM_SCTLR_A (1 << 1) //!< Alignment check enable
#define BM_SCTLR_M (1 << 0) //!< MMU enable
//@}
//! @}
#endif // __ARM_CP_REGISTERS_H__
////////////////////////////////////////////////////////////////////////////////
// EOF
////////////////////////////////////////////////////////////////////////////////