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/*
* (C) Copyright 2010
* Texas Instruments, <www.ti.com>
* Aneesh V <aneesh@ti.com>
*
* 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
*/
#ifndef ARMV7_H
#define ARMV7_H
#include <linux/types.h>
/* CCSIDR */
#define CCSIDR_LINE_SIZE_OFFSET 0
#define CCSIDR_LINE_SIZE_MASK 0x7
#define CCSIDR_ASSOCIATIVITY_OFFSET 3
#define CCSIDR_ASSOCIATIVITY_MASK (0x3FF << 3)
#define CCSIDR_NUM_SETS_OFFSET 13
#define CCSIDR_NUM_SETS_MASK (0x7FFF << 13)
/*
* Values for InD field in CSSELR
* Selects the type of cache
*/
#define ARMV7_CSSELR_IND_DATA_UNIFIED 0
#define ARMV7_CSSELR_IND_INSTRUCTION 1
/* Values for Ctype fields in CLIDR */
#define ARMV7_CLIDR_CTYPE_NO_CACHE 0
#define ARMV7_CLIDR_CTYPE_INSTRUCTION_ONLY 1
#define ARMV7_CLIDR_CTYPE_DATA_ONLY 2
#define ARMV7_CLIDR_CTYPE_INSTRUCTION_DATA 3
#define ARMV7_CLIDR_CTYPE_UNIFIED 4
/*
* CP15 Barrier instructions
* Please note that we have separate barrier instructions in ARMv7
* However, we use the CP15 based instructtions because we use
* -march=armv5 in U-Boot
*/
#define CP15ISB asm volatile ("mcr p15, 0, %0, c7, c5, 4" : : "r" (0))
#define CP15DSB asm volatile ("mcr p15, 0, %0, c7, c10, 4" : : "r" (0))
#define CP15DMB asm volatile ("mcr p15, 0, %0, c7, c10, 5" : : "r" (0))
void v7_outer_cache_enable(void);
void v7_outer_cache_disable(void);
void v7_outer_cache_flush_all(void);
void v7_outer_cache_inval_all(void);
void v7_outer_cache_flush_range(u32 start, u32 end);
void v7_outer_cache_inval_range(u32 start, u32 end);
#endif
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