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/*
* This file is part of the coreboot 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.
*/
#ifndef ARMV7_H
#define ARMV7_H
#include <types.h>
/* Cortex-A9 revisions */
#define MIDR_CORTEX_A9_R0P1 0x410FC091
#define MIDR_CORTEX_A9_R1P2 0x411FC092
#define MIDR_CORTEX_A9_R1P3 0x411FC093
#define MIDR_CORTEX_A9_R2P10 0x412FC09A
/* Cortex-A15 revisions */
#define MIDR_CORTEX_A15_R0P0 0x410FC0F0
/* 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 instructions 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)))
#endif /* ARMV7_H */
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