1/* 2 * Copyright (c) 2013-2019, ARM Limited and Contributors. All rights reserved. 3 * 4 * SPDX-License-Identifier: BSD-3-Clause 5 */ 6#include <arch.h> 7#include <asm_macros.S> 8#include <mt8173_def.h> 9 10 .globl plat_secondary_cold_boot_setup 11 .globl plat_report_exception 12 .globl platform_is_primary_cpu 13 .globl plat_my_core_pos 14 15 /* ----------------------------------------------------- 16 * void plat_secondary_cold_boot_setup (void); 17 * 18 * This function performs any platform specific actions 19 * needed for a secondary cpu after a cold reset e.g 20 * mark the cpu's presence, mechanism to place it in a 21 * holding pen etc. 22 * ----------------------------------------------------- 23 */ 24func plat_secondary_cold_boot_setup 25 /* MT8173 Oak does not do cold boot for secondary CPU */ 26cb_panic: 27 b cb_panic 28endfunc plat_secondary_cold_boot_setup 29 30func platform_is_primary_cpu 31 and x0, x0, #(MPIDR_CLUSTER_MASK | MPIDR_CPU_MASK) 32 cmp x0, #MT8173_PRIMARY_CPU 33 cset x0, eq 34 ret 35endfunc platform_is_primary_cpu 36 37 /* ----------------------------------------------------- 38 * unsigned int plat_my_core_pos(void); 39 * 40 * result: CorePos = CoreId + (ClusterId << 2) 41 * ----------------------------------------------------- 42 */ 43func plat_my_core_pos 44 mrs x0, mpidr_el1 45 and x1, x0, #MPIDR_CPU_MASK 46 and x0, x0, #MPIDR_CLUSTER_MASK 47 add x0, x1, x0, LSR #6 48 ret 49endfunc plat_my_core_pos 50