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21#include <linux/kernel.h>
22#include <linux/sched.h>
23#include <linux/cpumask.h>
24#include <linux/interrupt.h>
25#include <linux/smp.h>
26
27#include <linux/atomic.h>
28#include <asm/cpu.h>
29#include <asm/processor.h>
30#include <asm/smtc.h>
31#include <asm/mmu_context.h>
32#include <asm/smtc_ipi.h>
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38
39
40static void ssmtc_send_ipi_single(int cpu, unsigned int action)
41{
42 smtc_send_ipi(cpu, LINUX_SMP_IPI, action);
43
44}
45
46static inline void ssmtc_send_ipi_mask(const struct cpumask *mask,
47 unsigned int action)
48{
49 unsigned int i;
50
51 for_each_cpu(i, mask)
52 ssmtc_send_ipi_single(i, action);
53}
54
55
56
57
58static void __cpuinit ssmtc_init_secondary(void)
59{
60 smtc_init_secondary();
61}
62
63
64
65
66static void __cpuinit ssmtc_smp_finish(void)
67{
68 smtc_smp_finish();
69}
70
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72
73
74static void ssmtc_cpus_done(void)
75{
76}
77
78
79
80
81static void __cpuinit ssmtc_boot_secondary(int cpu, struct task_struct *idle)
82{
83 smtc_boot_secondary(cpu, idle);
84}
85
86static void __init ssmtc_smp_setup(void)
87{
88 if (read_c0_config3() & (1 << 2))
89 mipsmt_build_cpu_map(0);
90}
91
92
93
94
95static void ssmtc_prepare_cpus(unsigned int max_cpus)
96{
97
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100
101
102 if (read_c0_config3() & (1 << 2)) {
103 mipsmt_prepare_cpus();
104 }
105}
106
107struct plat_smp_ops ssmtc_smp_ops = {
108 .send_ipi_single = ssmtc_send_ipi_single,
109 .send_ipi_mask = ssmtc_send_ipi_mask,
110 .init_secondary = ssmtc_init_secondary,
111 .smp_finish = ssmtc_smp_finish,
112 .cpus_done = ssmtc_cpus_done,
113 .boot_secondary = ssmtc_boot_secondary,
114 .smp_setup = ssmtc_smp_setup,
115 .prepare_cpus = ssmtc_prepare_cpus,
116};
117