/* * Copyright (c) 2019-2023, Arm Limited. All rights reserved. * * SPDX-License-Identifier: BSD-3-Clause */ #include #include #include #include #include #include #include /* Hardware handled coherency */ #if !HW_ASSISTED_COHERENCY #error "Cortex-A65AE must be compiled with HW_ASSISTED_COHERENCY enabled" #endif /* 64-bit only core */ #if CTX_INCLUDE_AARCH32_REGS #error "Cortex-A65AE supports only AArch64. Compile with CTX_INCLUDE_AARCH32_REGS=0" #endif /* * ERRATA_DSU_936184 : * The errata is defined in dsu_helpers.S but applies to cortex_a65ae * as well. Henceforth creating symbolic names to the already existing errata * workaround functions to get them registered under the Errata Framework. */ .equ check_erratum_cortex_a65ae_936184, check_errata_dsu_936184 .equ erratum_cortex_a65ae_936184_wa, errata_dsu_936184_wa add_erratum_entry cortex_a65ae, ERRATUM(936184), ERRATA_DSU_936184, APPLY_AT_RESET cpu_reset_func_start cortex_a65ae cpu_reset_func_end cortex_a65ae func cortex_a65ae_cpu_pwr_dwn sysreg_bit_set CORTEX_A65AE_CPUPWRCTLR_EL1, CORTEX_A65AE_CPUPWRCTLR_EL1_CORE_PWRDN_BIT isb ret endfunc cortex_a65ae_cpu_pwr_dwn errata_report_shim cortex_a65ae .section .rodata.cortex_a65ae_regs, "aS" cortex_a65ae_regs: /* The ascii list of register names to be reported */ .asciz "cpuectlr_el1", "" func cortex_a65ae_cpu_reg_dump adr x6, cortex_a65ae_regs mrs x8, CORTEX_A65AE_ECTLR_EL1 ret endfunc cortex_a65ae_cpu_reg_dump declare_cpu_ops cortex_a65ae, CORTEX_A65AE_MIDR, \ cortex_a65ae_reset_func, \ cortex_a65ae_cpu_pwr_dwn