xref: /rk3399_ARM-atf/include/lib/cpus/aarch64/cortex_a72.h (revision 72e8f2456af54b75a0a1d92aadfce0b4bcde6ba1)

/*
 * Copyright (c) 2015-2022, Arm Limited and Contributors. All rights reserved.
 *
 * SPDX-License-Identifier: BSD-3-Clause
 */

#ifndef CORTEX_A72_H
#define CORTEX_A72_H

#include <lib/utils_def.h>

/* Cortex-A72 midr for revision 0 */
#define CORTEX_A72_MIDR 				U(0x410FD080)

/* Cortex-A72 loop count for CVE-2022-23960 mitigation */
#define CORTEX_A72_BHB_LOOP_COUNT			U(8)

/*******************************************************************************
 * CPU Extended Control register specific definitions.
 ******************************************************************************/
#define CORTEX_A72_ECTLR_EL1				S3_1_C15_C2_1

#define CORTEX_A72_ECTLR_SMP_BIT			(ULL(1) << 6)
#define CORTEX_A72_ECTLR_DIS_TWD_ACC_PFTCH_BIT		(ULL(1) << 38)
#define CORTEX_A72_ECTLR_L2_IPFTCH_DIST_MASK		(ULL(0x3) << 35)
#define CORTEX_A72_ECTLR_L2_DPFTCH_DIST_MASK		(ULL(0x3) << 32)

/*******************************************************************************
 * CPU Memory Error Syndrome register specific definitions.
 ******************************************************************************/
#define CORTEX_A72_MERRSR_EL1				S3_1_C15_C2_2

/*******************************************************************************
 * CPU Auxiliary Control register specific definitions.
 ******************************************************************************/
#define CORTEX_A72_CPUACTLR_EL1					S3_1_C15_C2_0

#define CORTEX_A72_CPUACTLR_EL1_DISABLE_L1_DCACHE_HW_PFTCH	(ULL(1) << 56)
#define CORTEX_A72_CPUACTLR_EL1_DIS_LOAD_PASS_STORE		(ULL(1) << 55)
#define CORTEX_A72_CPUACTLR_EL1_NO_ALLOC_WBWA			(ULL(1) << 49)
#define CORTEX_A72_CPUACTLR_EL1_DCC_AS_DCCI			(ULL(1) << 44)
#define CORTEX_A72_CPUACTLR_EL1_DIS_INSTR_PREFETCH		(ULL(1) << 32)
#define CORTEX_A72_CPUACTLR_EL1_DELAY_EXCLUSIVE_SNOOP		(ULL(1) << 31)

/*******************************************************************************
 *  L2 Auxiliary Control register specific definitions.
 ******************************************************************************/
#define CORTEX_A72_L2ACTLR_EL1					S3_1_C15_C0_0

#define CORTEX_A72_L2ACTLR_FORCE_TAG_BANK_CLK_ACTIVE		(ULL(1) << 28)
#define CORTEX_A72_L2ACTLR_FORCE_L2_LOGIC_CLK_ACTIVE		(ULL(1) << 27)
#define CORTEX_A72_L2ACTLR_FORCE_L2_GIC_TIMER_RCG_CLK_ACTIVE	(ULL(1) << 26)
#define CORTEX_A72_L2ACTLR_ENABLE_UNIQUE_CLEAN			(ULL(1) << 14)
#define CORTEX_A72_L2ACTLR_DISABLE_DSB_WITH_NO_DVM_SYNC		(ULL(1) << 11)
#define CORTEX_A72_L2ACTLR_DISABLE_DVM_CMO_BROADCAST		(ULL(1) << 8)
#define CORTEX_A72_L2ACTLR_ENABLE_HAZARD_DETECT_TIMEOUT		(ULL(1) << 7)
#define CORTEX_A72_L2ACTLR_DISABLE_ACE_SH_OR_CHI		(ULL(1) << 6)

/*******************************************************************************
 * L2 Control register specific definitions.
 ******************************************************************************/
#define CORTEX_A72_L2CTLR_EL1				S3_1_C11_C0_2

#define CORTEX_A72_L2CTLR_EL1_ECC_AND_PARITY_ENABLE	(ULL(1) << 21)
#define CORTEX_A72_L2CTLR_EL1_DATA_INLINE_ECC_ENABLE	(ULL(1) << 20)

#define CORTEX_A72_L2CTLR_DATA_RAM_LATENCY_SHIFT	U(0)
#define CORTEX_A72_L2CTLR_DATA_RAM_SETUP_SHIFT		U(5)
#define CORTEX_A72_L2CTLR_TAG_RAM_LATENCY_SHIFT		U(6)
#define CORTEX_A72_L2CTLR_TAG_RAM_SETUP_SHIFT		U(9)

#define CORTEX_A72_L2_DATA_RAM_LATENCY_MASK		U(0x7)
#define CORTEX_A72_L2_TAG_RAM_LATENCY_MASK		U(0x7)
#define CORTEX_A72_L2_DATA_RAM_LATENCY_3_CYCLES		U(0x2)
#define CORTEX_A72_L2_DATA_RAM_LATENCY_4_CYCLES		U(0x3)
#define CORTEX_A72_L2_TAG_RAM_LATENCY_2_CYCLES		U(0x1)
#define CORTEX_A72_L2_TAG_RAM_LATENCY_3_CYCLES		U(0x2)

/*******************************************************************************
 * L2 Memory Error Syndrome register specific definitions.
 ******************************************************************************/
#define CORTEX_A72_L2MERRSR_EL1				S3_1_C15_C2_3

#endif /* CORTEX_A72_H */