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
6 * Copyright (C) 2006, 07 by Ralf Baechle (ralf@linux-mips.org)
8 * Symmetric Uniprocessor (TM) Support
10 #include <linux/kernel.h>
11 #include <linux/sched.h>
14 * Send inter-processor interrupt
16 static void up_send_ipi_single(int cpu, unsigned int action)
18 panic(KERN_ERR "%s called", __func__);
21 static inline void up_send_ipi_mask(const struct cpumask *mask,
24 panic(KERN_ERR "%s called", __func__);
28 * After we've done initial boot, this function is called to allow the
29 * board code to clean up state, if needed
31 static void up_init_secondary(void)
35 static void up_smp_finish(void)
39 /* Hook for after all CPUs are online */
40 static void up_cpus_done(void)
45 * Firmware CPU startup hook
47 static void up_boot_secondary(int cpu, struct task_struct *idle)
51 static void __init up_smp_setup(void)
55 static void __init up_prepare_cpus(unsigned int max_cpus)
59 #ifdef CONFIG_HOTPLUG_CPU
60 static int up_cpu_disable(void)
65 static void up_cpu_die(unsigned int cpu)
71 struct 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,