projects / deliverable / linux.git / blame
| Commit | Line | Data |
|---|---|---|
| 940f6b48 RB |
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 | */ | |
| 1451a395 | 16 | static void up_send_ipi_single(int cpu, unsigned int action) |
| 940f6b48 RB |
17 | { |
| 18 | panic(KERN_ERR "%s called", __func__); | |
| 19 | } | |
| 20 | ||
| 48a048fe RR |
21 | static inline void up_send_ipi_mask(const struct cpumask *mask, |
| 22 | unsigned int action) | |
| 940f6b48 RB |
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 | */ | |
| 078a55fc | 31 | static void up_init_secondary(void) |
| 940f6b48 RB |
32 | { |
| 33 | } | |
| 34 | ||
| 078a55fc | 35 | static void up_smp_finish(void) |
| 940f6b48 RB |
36 | { |
| 37 | } | |
| 38 | ||
| 940f6b48 RB |
39 | /* |
| 40 | * Firmware CPU startup hook | |
| 41 | */ | |
| 078a55fc | 42 | static void up_boot_secondary(int cpu, struct task_struct *idle) |
| 940f6b48 RB |
43 | { |
| 44 | } | |
| 45 | ||
| 1451a395 | 46 | static void __init up_smp_setup(void) |
| 940f6b48 RB |
47 | { |
| 48 | } | |
| 49 | ||
| 1451a395 | 50 | static void __init up_prepare_cpus(unsigned int max_cpus) |
| 940f6b48 RB |
51 | { |
| 52 | } | |
| 53 | ||
| 1b2bc75c RB |
54 | #ifdef CONFIG_HOTPLUG_CPU |
| 55 | static int up_cpu_disable(void) | |
| 56 | { | |
| 57 | return -ENOSYS; | |
| 58 | } | |
| 59 | ||
| 60 | static void up_cpu_die(unsigned int cpu) | |
| 61 | { | |
| 62 | BUG(); | |
| 63 | } | |
| 64 | #endif | |
| 65 | ||
| 940f6b48 RB |
66 | struct plat_smp_ops up_smp_ops = { |
| 67 | .send_ipi_single = up_send_ipi_single, | |
| 68 | .send_ipi_mask = up_send_ipi_mask, | |
| 69 | .init_secondary = up_init_secondary, | |
| 70 | .smp_finish = up_smp_finish, | |
| 940f6b48 RB |
71 | .boot_secondary = up_boot_secondary, |
| 72 | .smp_setup = up_smp_setup, | |
| 73 | .prepare_cpus = up_prepare_cpus, | |
| 1b2bc75c RB |
74 | #ifdef CONFIG_HOTPLUG_CPU |
| 75 | .cpu_disable = up_cpu_disable, | |
| 76 | .cpu_die = up_cpu_die, | |
| 77 | #endif | |
| 940f6b48 | 78 | }; |