1/* 2 * Copyright (c) 2023, STMicroelectronics - All Rights Reserved 3 * 4 * SPDX-License-Identifier: BSD-3-Clause 5 */ 6 7#include <asm_macros.S> 8 9#include <platform_def.h> 10 11 .globl platform_mem_init 12 .globl plat_secondary_cold_boot_setup 13 .globl plat_is_my_cpu_primary 14 .globl plat_crash_console_init 15 .globl plat_crash_console_flush 16 .globl plat_crash_console_putc 17 18func platform_mem_init 19 /* Nothing to do, don't need to init SYSRAM */ 20 ret 21endfunc platform_mem_init 22 23 /* --------------------------------------------- 24 * void plat_secondary_cold_boot_setup (void); 25 * 26 * Set secondary core in WFI waiting for core reset. 27 * --------------------------------------------- 28 */ 29func plat_secondary_cold_boot_setup 30 dsb sy 31 wfi 32 /* This shouldn't be reached */ 33 b . 34endfunc plat_secondary_cold_boot_setup 35 36 /* ---------------------------------------------- 37 * unsigned int plat_is_my_cpu_primary(void); 38 * This function checks if this is the primary CPU 39 * ---------------------------------------------- 40 */ 41func plat_is_my_cpu_primary 42 mrs x0, mpidr_el1 43 and x0, x0, #(MPIDR_CPU_MASK) 44 cmp x0, #STM32MP_PRIMARY_CPU 45 cset x0, eq 46 ret 47endfunc plat_is_my_cpu_primary 48 49 /* --------------------------------------------- 50 * int plat_crash_console_init(void) 51 * 52 * Initialize the crash console without a C Runtime stack. 53 * --------------------------------------------- 54 */ 55func plat_crash_console_init 56endfunc plat_crash_console_init 57 58func plat_crash_console_flush 59endfunc plat_crash_console_flush 60 61func plat_crash_console_putc 62endfunc plat_crash_console_putc 63 64