/* * linux/arch/arm/mach-vexpress/platsmp.c * * Copyright (C) 2002 ARM Ltd. * All Rights Reserved * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License version 2 as * published by the Free Software Foundation. */ #include #include #include #include #include #include "core.h" extern void versatile_secondary_startup(void); /* * Initialise the CPU possible map early - this describes the CPUs * which may be present or become present in the system. */ void __init smp_init_cpus(void) { ct_desc->init_cpu_map(); } void __init platform_smp_prepare_cpus(unsigned int max_cpus) { /* * Initialise the present map, which describes the set of CPUs * actually populated at the present time. */ ct_desc->smp_enable(max_cpus); /* * Write the address of secondary startup into the * system-wide flags register. The boot monitor waits * until it receives a soft interrupt, and then the * secondary CPU branches to this address. */ v2m_flags_set(virt_to_phys(versatile_secondary_startup)); }