1 /* 2 * Copyright (c) 2023, Arm Limited and Contributors. All rights reserved. 3 * 4 * SPDX-License-Identifier: BSD-3-Clause 5 */ 6 7 #ifndef ERRATA_CPUSPEC_H 8 #define ERRATA_CPUSPEC_H 9 10 #include <stdint.h> 11 #include <arch_helpers.h> 12 13 #if __aarch64__ 14 #include <cortex_a35.h> 15 #include <cortex_a510.h> 16 #include <cortex_a53.h> 17 #include <cortex_a57.h> 18 #include <cortex_a55.h> 19 #include <cortex_a710.h> 20 #include <cortex_a72.h> 21 #include <cortex_a73.h> 22 #include <cortex_a75.h> 23 #include <cortex_a76.h> 24 #include <cortex_a77.h> 25 #include <cortex_a78.h> 26 #include <cortex_a78_ae.h> 27 #include <cortex_a78c.h> 28 #include <cortex_makalu.h> 29 #include <cortex_x1.h> 30 #include <cortex_x2.h> 31 #include <neoverse_n1.h> 32 #include <neoverse_n2.h> 33 #include <neoverse_v1.h> 34 #include <neoverse_v2.h> 35 #else 36 #include <cortex_a15.h> 37 #include <cortex_a17.h> 38 #include <cortex_a57.h> 39 #include <cortex_a9.h> 40 #endif 41 42 #define MAX_ERRATA_ENTRIES 15 43 44 #define ERRATA_LIST_END (MAX_ERRATA_ENTRIES - 1) 45 46 #define UNDEF_ERRATA {UINT_MAX, UCHAR_MAX, UCHAR_MAX, false} 47 48 #define EXTRACT_PARTNUM(x) ((x >> MIDR_PN_SHIFT) & MIDR_PN_MASK) 49 50 #define RXPX_RANGE(x, y, z) (((x >= y) && (x <= z)) ? true : false) 51 52 /* 53 * CPU specific values for errata handling 54 */ 55 56 struct em_cpu{ 57 unsigned int em_errata_id; 58 unsigned char em_rxpx_lo; /* lowest revision of errata applicable for the cpu */ 59 unsigned char em_rxpx_hi; /* highest revision of errata applicable for the cpu */ 60 bool errata_enabled; /* indicate if errata enabled */ 61 }; 62 63 struct em_cpu_list{ 64 /* field to hold cpu specific part number defined in midr reg */ 65 unsigned long cpu_partnumber; 66 struct em_cpu cpu_errata_list[MAX_ERRATA_ENTRIES]; 67 }; 68 69 int32_t verify_errata_implemented(uint32_t errata_id, uint32_t forward_flag); 70 #endif /* ERRATA_CPUSPEC_H */ 71