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Diffstat (limited to 'include/lib/cpus/aarch64/neoverse_n1.h')
| -rw-r--r-- | include/lib/cpus/aarch64/neoverse_n1.h | 70 |
1 files changed, 70 insertions, 0 deletions
diff --git a/include/lib/cpus/aarch64/neoverse_n1.h b/include/lib/cpus/aarch64/neoverse_n1.h new file mode 100644 index 0000000..0ba5ad1 --- /dev/null +++ b/include/lib/cpus/aarch64/neoverse_n1.h @@ -0,0 +1,70 @@ +/* + * Copyright (c) 2017-2022, Arm Limited and Contributors. All rights reserved. + * + * SPDX-License-Identifier: BSD-3-Clause + */ + +#ifndef NEOVERSE_N1_H +#define NEOVERSE_N1_H + +#include <lib/utils_def.h> + +/* Neoverse N1 MIDR for revision 0 */ +#define NEOVERSE_N1_MIDR U(0x410fd0c0) + +/* Neoverse N1 loop count for CVE-2022-23960 mitigation */ +#define NEOVERSE_N1_BHB_LOOP_COUNT U(24) + +/* Exception Syndrome register EC code for IC Trap */ +#define NEOVERSE_N1_EC_IC_TRAP U(0x1f) + +/******************************************************************************* + * CPU Power Control register specific definitions. + ******************************************************************************/ +#define NEOVERSE_N1_CPUPWRCTLR_EL1 S3_0_C15_C2_7 + +/* Definitions of register field mask in NEOVERSE_N1_CPUPWRCTLR_EL1 */ +#define NEOVERSE_N1_CORE_PWRDN_EN_MASK U(0x1) + +#define NEOVERSE_N1_ACTLR_AMEN_BIT (U(1) << 4) + +#define NEOVERSE_N1_AMU_NR_COUNTERS U(5) +#define NEOVERSE_N1_AMU_GROUP0_MASK U(0x1f) + +/******************************************************************************* + * CPU Extended Control register specific definitions. + ******************************************************************************/ +#define NEOVERSE_N1_CPUECTLR_EL1 S3_0_C15_C1_4 + +#define NEOVERSE_N1_WS_THR_L2_MASK (ULL(3) << 24) +#define NEOVERSE_N1_CPUECTLR_EL1_MM_TLBPF_DIS_BIT (ULL(1) << 51) +#define NEOVERSE_N1_CPUECTLR_EL1_EXTLLC_BIT (ULL(1) << 0) + +/******************************************************************************* + * CPU Auxiliary Control register specific definitions. + ******************************************************************************/ +#define NEOVERSE_N1_CPUACTLR_EL1 S3_0_C15_C1_0 + +#define NEOVERSE_N1_CPUACTLR_EL1_BIT_6 (ULL(1) << 6) +#define NEOVERSE_N1_CPUACTLR_EL1_BIT_13 (ULL(1) << 13) + +#define NEOVERSE_N1_CPUACTLR2_EL1 S3_0_C15_C1_1 + +#define NEOVERSE_N1_CPUACTLR2_EL1_BIT_0 (ULL(1) << 0) +#define NEOVERSE_N1_CPUACTLR2_EL1_BIT_2 (ULL(1) << 2) +#define NEOVERSE_N1_CPUACTLR2_EL1_BIT_11 (ULL(1) << 11) +#define NEOVERSE_N1_CPUACTLR2_EL1_BIT_15 (ULL(1) << 15) +#define NEOVERSE_N1_CPUACTLR2_EL1_BIT_16 (ULL(1) << 16) +#define NEOVERSE_N1_CPUACTLR2_EL1_BIT_59 (ULL(1) << 59) + +#define NEOVERSE_N1_CPUACTLR3_EL1 S3_0_C15_C1_2 + +#define NEOVERSE_N1_CPUACTLR3_EL1_BIT_10 (ULL(1) << 10) + +/* Instruction patching registers */ +#define CPUPSELR_EL3 S3_6_C15_C8_0 +#define CPUPCR_EL3 S3_6_C15_C8_1 +#define CPUPOR_EL3 S3_6_C15_C8_2 +#define CPUPMR_EL3 S3_6_C15_C8_3 + +#endif /* NEOVERSE_N1_H */ |