/* * Keystone SOC SMP platform code * * Copyright 2013 Texas Instruments, Inc. * Cyril Chemparathy <cyril@ti.com> * Santosh Shilimkar <santosh.shillimkar@ti.com> * * Based on platsmp.c, Copyright (C) 2002 ARM Ltd. * * This program is free software; you can redistribute it and/or modify it * under the terms and conditions of the GNU General Public License, * version 2, as published by the Free Software Foundation. */ #include <linux/init.h> #include <linux/smp.h> #include <linux/io.h> #include <asm/smp_plat.h> #include <asm/prom.h> #include <asm/tlbflush.h> #include <asm/pgtable.h> #include "keystone.h" static int keystone_smp_boot_secondary(unsigned int cpu, struct task_struct *idle) { unsigned long start = virt_to_idmap(&secondary_startup); int error; pr_debug("keystone-smp: booting cpu %d, vector %08lx\n", cpu, start); error = keystone_cpu_smc(KEYSTONE_MON_CPU_UP_IDX, cpu, start); if (error) pr_err("CPU %d bringup failed with %d\n", cpu, error); return error; } const struct smp_operations keystone_smp_ops __initconst = { .smp_boot_secondary = keystone_smp_boot_secondary, }; |