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79 lines
1.5 KiB
79 lines
1.5 KiB
/* |
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* This file is subject to the terms and conditions of the GNU General Public |
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* License. See the file "COPYING" in the main directory of this archive |
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* for more details. |
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* |
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* Copyright (C) 2006, 07 by Ralf Baechle ([email protected]) |
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* |
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* Symmetric Uniprocessor (TM) Support |
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*/ |
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#include <linux/kernel.h> |
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#include <linux/sched.h> |
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/* |
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* Send inter-processor interrupt |
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*/ |
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static void up_send_ipi_single(int cpu, unsigned int action) |
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{ |
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panic(KERN_ERR "%s called", __func__); |
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} |
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static inline void up_send_ipi_mask(const struct cpumask *mask, |
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unsigned int action) |
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{ |
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panic(KERN_ERR "%s called", __func__); |
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} |
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/* |
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* After we've done initial boot, this function is called to allow the |
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* board code to clean up state, if needed |
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*/ |
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static void up_init_secondary(void) |
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{ |
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} |
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static void up_smp_finish(void) |
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{ |
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} |
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/* |
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* Firmware CPU startup hook |
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*/ |
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static int up_boot_secondary(int cpu, struct task_struct *idle) |
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{ |
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return 0; |
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} |
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static void __init up_smp_setup(void) |
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{ |
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} |
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static void __init up_prepare_cpus(unsigned int max_cpus) |
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{ |
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} |
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#ifdef CONFIG_HOTPLUG_CPU |
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static int up_cpu_disable(void) |
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{ |
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return -ENOSYS; |
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} |
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static void up_cpu_die(unsigned int cpu) |
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{ |
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BUG(); |
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} |
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#endif |
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const struct plat_smp_ops up_smp_ops = { |
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.send_ipi_single = up_send_ipi_single, |
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.send_ipi_mask = up_send_ipi_mask, |
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.init_secondary = up_init_secondary, |
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.smp_finish = up_smp_finish, |
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.boot_secondary = up_boot_secondary, |
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.smp_setup = up_smp_setup, |
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.prepare_cpus = up_prepare_cpus, |
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#ifdef CONFIG_HOTPLUG_CPU |
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.cpu_disable = up_cpu_disable, |
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.cpu_die = up_cpu_die, |
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#endif |
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};
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