/**
* @file
*
* @ingroup mpc55xx
*/
/*
* Copyright (c) 2008-2011 embedded brains GmbH. All rights reserved.
*
* embedded brains GmbH
* Obere Lagerstr. 30
* 82178 Puchheim
* Germany
* <rtems@embedded-brains.de>
*
* The license and distribution terms for this file may be
* found in the file LICENSE in this distribution or at
* http://www.rtems.com/license/LICENSE.
*/
/*********************************************************************
*
* Copyright:
* Freescale Semiconductor, INC. All Rights Reserved.
* You are hereby granted a copyright license to use, modify, and
* distribute the SOFTWARE so long as this entire notice is
* retained without alteration in any modified and/or redistributed
* versions, and that such modified versions are clearly identified
* as such. No licenses are granted by implication, estoppel or
* otherwise under any patents or trademarks of Freescale
* Semiconductor, Inc. This software is provided on an "AS IS"
* basis and without warranty.
*
* To the maximum extent permitted by applicable law, Freescale
* Semiconductor DISCLAIMS ALL WARRANTIES WHETHER EXPRESS OR IMPLIED,
* INCLUDING IMPLIED WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A
* PARTICULAR PURPOSE AND ANY WARRANTY AGAINST INFRINGEMENT WITH
* REGARD TO THE SOFTWARE (INCLUDING ANY MODIFIED VERSIONS THEREOF)
* AND ANY ACCOMPANYING WRITTEN MATERIALS.
*
* To the maximum extent permitted by applicable law, IN NO EVENT
* SHALL Freescale Semiconductor BE LIABLE FOR ANY DAMAGES WHATSOEVER
* (INCLUDING WITHOUT LIMITATION, DAMAGES FOR LOSS OF BUSINESS PROFITS,
* BUSINESS INTERRUPTION, LOSS OF BUSINESS INFORMATION, OR OTHER
* PECUNIARY LOSS) ARISING OF THE USE OR INABILITY TO USE THE SOFTWARE.
*
* Freescale Semiconductor assumes no responsibility for the
* maintenance and support of this software
*
********************************************************************/
#ifndef LIBCPU_POWERPC_MPC55XX_REGS_MMU_H
#define LIBCPU_POWERPC_MPC55XX_REGS_MMU_H
#include <stdint.h>
#include <bspopts.h>
#ifdef __cplusplus
extern "C" {
#endif
/****************************************************************************/
/* MMU */
/****************************************************************************/
struct MMU_tag {
union {
uint32_t R;
struct {
uint32_t : 2;
uint32_t TLBSEL : 2;
uint32_t : 7;
uint32_t ESEL : 5;
uint32_t : 11;
uint32_t NV : 5;
} B;
} MAS0;
union {
uint32_t R;
struct {
uint32_t VALID : 1;
uint32_t IPROT : 1;
uint32_t : 6;
uint32_t TID : 8;
uint32_t : 3;
uint32_t TS : 1;
uint32_t TSIZE : 5;
uint32_t : 7;
} B;
} MAS1;
union {
uint32_t R;
struct {
uint32_t EPN : 22;
uint32_t : 4;
uint32_t VLE : 1;
uint32_t W : 1;
uint32_t I : 1;
uint32_t M : 1;
uint32_t G : 1;
uint32_t E : 1;
} B;
} MAS2;
union {
uint32_t R;
struct {
uint32_t RPN : 22;
uint32_t U0 : 1;
uint32_t U1 : 1;
uint32_t U2 : 1;
uint32_t U3 : 1;
uint32_t UX : 1;
uint32_t SX : 1;
uint32_t UW : 1;
uint32_t SW : 1;
uint32_t UR : 1;
uint32_t SR : 1;
} B;
} MAS3;
};
union MMU_MAS4_tag {
uint32_t R;
struct {
uint32_t : 2;
uint32_t TLBSELD : 2;
uint32_t : 10;
uint32_t TIDSELD : 2;
uint32_t : 4;
uint32_t TSIZED : 4;
uint32_t : 3;
uint32_t WD : 1;
uint32_t ID : 1;
uint32_t MD : 1;
uint32_t GD : 1;
uint32_t ED : 1;
} B;
};
union MMU_MAS6_tag {
uint32_t R;
struct {
uint32_t : 8;
uint32_t SPID : 8;
uint32_t : 15;
uint32_t SAS : 1;
} B;
};
#define MPC55XX_MMU_TAG_INITIALIZER(idx, addr, size, x, w, r, io) \
{ \
.MAS0 = { .B = { .TLBSEL = 1, .ESEL = (idx) } }, \
.MAS1 = { .B = { \
.VALID = 1, .IPROT = 1, .TID = 0, .TS = 0, .TSIZE = (size) } \
}, \
.MAS2 = { .B = { \
.EPN = (addr) >> 10, .VLE = 0, .W = 0, .I = (io), .M = 0, .G = (io), .E = 0 } \
}, \
.MAS3 = { .B = { \
.RPN = (addr) >> 10, .U0 = 0, .U1 = 0, .U2 = 0, .U3 = 0, .UX = 0, \
.SX = (x), .UW = 0, .SW = (w), .UR = 0, .SR = (r) } \
} \
}
#ifdef __cplusplus
}
#endif /* __cplusplus */
#endif /* LIBCPU_POWERPC_MPC55XX_REGS_MMU_H */
