| /* SPDX-License-Identifier: (GPL-2.0+ OR MIT) */ |
| /* |
| * arch/arm/cpu/armv8/axg/core.c |
| * |
| * Copyright (C) 2020 Amlogic, Inc. All rights reserved. |
| * |
| */ |
| |
| #include <asm/arch/secure_apb.h> |
| #include <asm/types.h> |
| #include <asm/arch/cpu.h> |
| #include <common.h> |
| |
| const unsigned int core_map[] = { |
| 0x0, |
| 0x1, |
| 0x2, |
| 0x3, |
| }; |
| |
| int get_core_mpidr(unsigned int cpuid) |
| { |
| unsigned int coremax = (unsigned int)(sizeof(core_map)/sizeof(unsigned int)); |
| |
| if (cpuid >= coremax) |
| return -1; |
| return core_map[cpuid]; |
| } |
| |
| int get_core_idx(unsigned int mpidr) |
| { |
| unsigned int clusterid, cpuid; |
| |
| cpuid = mpidr & 0xff; |
| clusterid = mpidr & 0xff00; |
| |
| cpuid += (clusterid >> 6); |
| |
| if (cpuid >= NR_CPUS) |
| return -1; |
| |
| return cpuid; |
| } |
| |
| int get_core_max(void) |
| { |
| return (sizeof(core_map)/sizeof(unsigned int)); |
| } |