arm-trusted-firmware/include/lib/cpus/aarch64/cortex_a57.h

/*
 * Copyright (c) 2014-2015, ARM Limited and Contributors. All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 *
 * Redistributions of source code must retain the above copyright notice, this
 * list of conditions and the following disclaimer.
 *
 * 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.
 *
 * Neither the name of ARM 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 HOLDER 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.
 */

#ifndef __CORTEX_A57_H__
#define __CORTEX_A57_H__

/* Cortex-A57 midr for revision 0 */
#define CORTEX_A57_MIDR 0x410FD070

/* Retention timer tick definitions */
#define RETENTION_ENTRY_TICKS_2		0x1
#define RETENTION_ENTRY_TICKS_8		0x2
#define RETENTION_ENTRY_TICKS_32	0x3
#define RETENTION_ENTRY_TICKS_64	0x4
#define RETENTION_ENTRY_TICKS_128	0x5
#define RETENTION_ENTRY_TICKS_256	0x6
#define RETENTION_ENTRY_TICKS_512	0x7

/*******************************************************************************
 * CPU Extended Control register specific definitions.
 ******************************************************************************/
#define CPUECTLR_EL1			S3_1_C15_C2_1	/* Instruction def. */

#define CPUECTLR_SMP_BIT		(1 << 6)
#define CPUECTLR_DIS_TWD_ACC_PFTCH_BIT	(1 << 38)
#define CPUECTLR_L2_IPFTCH_DIST_MASK	(0x3 << 35)
#define CPUECTLR_L2_DPFTCH_DIST_MASK	(0x3 << 32)

#define CPUECTLR_CPU_RET_CTRL_SHIFT	0
#define CPUECTLR_CPU_RET_CTRL_MASK	(0x7 << CPUECTLR_CPU_RET_CTRL_SHIFT)

/*******************************************************************************
 * CPU Auxiliary Control register specific definitions.
 ******************************************************************************/
#define CPUACTLR_EL1			S3_1_C15_C2_0	/* Instruction def. */

#define CPUACTLR_NO_ALLOC_WBWA         (1 << 49)
#define CPUACTLR_DCC_AS_DCCI           (1 << 44)

/*******************************************************************************
 * L2 Control register specific definitions.
 ******************************************************************************/
#define L2CTLR_EL1			S3_1_C11_C0_2	/* Instruction def. */

#define L2CTLR_DATA_RAM_LATENCY_SHIFT	0
#define L2CTLR_TAG_RAM_LATENCY_SHIFT	6

#define L2_DATA_RAM_LATENCY_3_CYCLES	0x2
#define L2_TAG_RAM_LATENCY_3_CYCLES	0x2

/*******************************************************************************
 * L2 Extended Control register specific definitions.
 ******************************************************************************/
#define L2ECTLR_EL1			S3_1_C11_C0_3	/* Instruction def. */

#define L2ECTLR_RET_CTRL_SHIFT		0
#define L2ECTLR_RET_CTRL_MASK		(0x7 << L2ECTLR_RET_CTRL_SHIFT)

#endif /* __CORTEX_A57_H__ */