blob: 2d59fc932bc75ed3446e9cd68ec8d14ac195a972 [file] [log] [blame]
/*
* Copyright (c) 2023-2024, Arm Limited and Contributors. All rights reserved.
*
* SPDX-License-Identifier: BSD-3-Clause
*/
#ifndef ERRATA_CPUSPEC_H
#define ERRATA_CPUSPEC_H
#include <stdint.h>
#include <arch_helpers.h>
#if __aarch64__
#include <cortex_a710.h>
#include <cortex_a78.h>
#include <cortex_a78_ae.h>
#include <cortex_a78c.h>
#include <cortex_x2.h>
#include <cortex_x3.h>
#include <cortex_x4.h>
#include <neoverse_n2.h>
#include <neoverse_v1.h>
#include <neoverse_v2.h>
#endif
/* Max number of platform based errata with no workaround in EL3 */
#define MAX_PLAT_CPU_ERRATA_ENTRIES 2
#define ERRATA_LIST_END (MAX_PLAT_CPU_ERRATA_ENTRIES - 1)
/* Default values for unused memory in the array */
#define UNDEF_ERRATA {UINT_MAX, UCHAR_MAX, UCHAR_MAX}
#define EXTRACT_PARTNUM(x) ((x >> MIDR_PN_SHIFT) & MIDR_PN_MASK)
#define RXPX_RANGE(x, y, z) (((x >= y) && (x <= z)) ? true : false)
/*
* CPU specific values for errata handling
*/
struct em_cpu{
unsigned int em_errata_id;
unsigned char em_rxpx_lo; /* lowest revision of errata applicable for the cpu */
unsigned char em_rxpx_hi; /* highest revision of errata applicable for the cpu */
};
struct em_cpu_list{
unsigned long cpu_partnumber; /* cpu specific part number defined in midr reg */
struct em_cpu cpu_errata_list[MAX_PLAT_CPU_ERRATA_ENTRIES];
};
int32_t verify_errata_implemented(uint32_t errata_id, uint32_t forward_flag);
#endif /* ERRATA_CPUSPEC_H */