| /* |
| * Copyright (c) 2019, Arm Limited. All rights reserved. |
| * |
| * SPDX-License-Identifier: BSD-3-Clause |
| */ |
| |
| #include <arch.h> |
| #include <asm_macros.S> |
| #include <platform_def.h> |
| |
| .globl plat_secondary_cold_boot_setup |
| .globl plat_get_my_entrypoint |
| .globl plat_is_my_cpu_primary |
| |
| /* -------------------------------------------------------------------- |
| * void plat_secondary_cold_boot_setup (void); |
| * |
| * For AArch32, cold-booting secondary CPUs is not yet |
| * implemented and they panic. |
| * -------------------------------------------------------------------- |
| */ |
| func plat_secondary_cold_boot_setup |
| cb_panic: |
| wfi |
| b cb_panic |
| endfunc plat_secondary_cold_boot_setup |
| |
| /* --------------------------------------------------------------------- |
| * unsigned long plat_get_my_entrypoint (void); |
| * |
| * Main job of this routine is to distinguish between a cold and warm |
| * boot. |
| * --------------------------------------------------------------------- |
| */ |
| func plat_get_my_entrypoint |
| /* TODO support warm boot */ |
| /* Cold reset */ |
| mov r0, #0 |
| bx lr |
| |
| endfunc plat_get_my_entrypoint |
| |
| /* ----------------------------------------------------- |
| * unsigned int plat_is_my_cpu_primary (void); |
| * |
| * Find out whether the current cpu is the primary |
| * cpu. |
| * ----------------------------------------------------- |
| */ |
| func plat_is_my_cpu_primary |
| ldcopr r0, MPIDR |
| ldr r1, =MPIDR_AFFINITY_MASK |
| and r0, r1 |
| cmp r0, #0 |
| moveq r0, #1 |
| movne r0, #0 |
| bx lr |
| endfunc plat_is_my_cpu_primary |