diff options
Diffstat (limited to 'include/lib/cpus/aarch64/cortex_a55.h')
-rw-r--r-- | include/lib/cpus/aarch64/cortex_a55.h | 48 |
1 files changed, 48 insertions, 0 deletions
diff --git a/include/lib/cpus/aarch64/cortex_a55.h b/include/lib/cpus/aarch64/cortex_a55.h new file mode 100644 index 0000000..60ed957 --- /dev/null +++ b/include/lib/cpus/aarch64/cortex_a55.h @@ -0,0 +1,48 @@ +/* + * Copyright (c) 2017-2019, ARM Limited and Contributors. All rights reserved. + * + * SPDX-License-Identifier: BSD-3-Clause + */ + +#ifndef CORTEX_A55_H +#define CORTEX_A55_H + +#include <lib/utils_def.h> + +/* Cortex-A55 MIDR for revision 0 */ +#define CORTEX_A55_MIDR U(0x410fd050) + +/******************************************************************************* + * CPU Extended Control register specific definitions. + ******************************************************************************/ +#define CORTEX_A55_CPUPWRCTLR_EL1 S3_0_C15_C2_7 +#define CORTEX_A55_CPUECTLR_EL1 S3_0_C15_C1_4 + +#define CORTEX_A55_CPUECTLR_EL1_L1WSCTL (ULL(3) << 25) + +/******************************************************************************* + * CPU Auxiliary Control register specific definitions. + ******************************************************************************/ +#define CORTEX_A55_CPUACTLR_EL1 S3_0_C15_C1_0 + +#define CORTEX_A55_CPUACTLR_EL1_DISABLE_WRITE_STREAMING (ULL(1) << 24) +#define CORTEX_A55_CPUACTLR_EL1_DISABLE_DUAL_ISSUE (ULL(1) << 31) +#define CORTEX_A55_CPUACTLR_EL1_DISABLE_L1_PAGEWALKS (ULL(1) << 49) + +/******************************************************************************* + * CPU Identification register specific definitions. + ******************************************************************************/ +#define CORTEX_A55_CLIDR_EL1 S3_1_C0_C0_1 + +#define CORTEX_A55_CLIDR_EL1_CTYPE3 (ULL(7) << 6) + +/* Definitions of register field mask in CORTEX_A55_CPUPWRCTLR_EL1 */ +#define CORTEX_A55_CORE_PWRDN_EN_MASK U(0x1) + +/* 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 /* CORTEX_A55_H */ |