1/* 2 * This file is subject to the terms and conditions of the GNU General Public 3 * License. See the file "COPYING" in the main directory of this archive 4 * for more details. 5 * 6 * Copyright (C) 2006, 07 by Ralf Baechle (ralf@linux-mips.org) 7 * 8 * Symmetric Uniprocessor (TM) Support 9 */ 10#include <linux/kernel.h> 11#include <linux/sched.h> 12 13/* 14 * Send inter-processor interrupt 15 */ 16static void up_send_ipi_single(int cpu, unsigned int action) 17{ 18 panic(KERN_ERR "%s called", __func__); 19} 20 21static inline void up_send_ipi_mask(const struct cpumask *mask, 22 unsigned int action) 23{ 24 panic(KERN_ERR "%s called", __func__); 25} 26 27/* 28 * After we've done initial boot, this function is called to allow the 29 * board code to clean up state, if needed 30 */ 31static void __cpuinit up_init_secondary(void) 32{ 33} 34 35static void __cpuinit up_smp_finish(void) 36{ 37} 38 39/* Hook for after all CPUs are online */ 40static void up_cpus_done(void) 41{ 42} 43 44/* 45 * Firmware CPU startup hook 46 */ 47static void __cpuinit up_boot_secondary(int cpu, struct task_struct *idle) 48{ 49} 50 51static void __init up_smp_setup(void) 52{ 53} 54 55static void __init up_prepare_cpus(unsigned int max_cpus) 56{ 57} 58 59#ifdef CONFIG_HOTPLUG_CPU 60static int up_cpu_disable(void) 61{ 62 return -ENOSYS; 63} 64 65static void up_cpu_die(unsigned int cpu) 66{ 67 BUG(); 68} 69#endif 70 71struct plat_smp_ops up_smp_ops = { 72 .send_ipi_single = up_send_ipi_single, 73 .send_ipi_mask = up_send_ipi_mask, 74 .init_secondary = up_init_secondary, 75 .smp_finish = up_smp_finish, 76 .cpus_done = up_cpus_done, 77 .boot_secondary = up_boot_secondary, 78 .smp_setup = up_smp_setup, 79 .prepare_cpus = up_prepare_cpus, 80#ifdef CONFIG_HOTPLUG_CPU 81 .cpu_disable = up_cpu_disable, 82 .cpu_die = up_cpu_die, 83#endif 84}; 85