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authorRalf Baechle <ralf@linux-mips.org>2007-11-19 12:23:51 +0000
committerRalf Baechle <ralf@linux-mips.org>2008-01-29 10:14:57 +0000
commit87353d8ac39c52784da605ecbe965ecdfad609ad (patch)
treec95ce7cbe9b099c21cab71a195621801b04bc05a /arch/mips/kernel/smp.c
parent19388fb092d89e179575bd0b44f51b57e175edf5 (diff)
[MIPS] SMP: Call platform methods via ops structure.
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Diffstat (limited to 'arch/mips/kernel/smp.c')
-rw-r--r--arch/mips/kernel/smp.c23
1 files changed, 16 insertions, 7 deletions
diff --git a/arch/mips/kernel/smp.c b/arch/mips/kernel/smp.c
index 335be9bcf0d..1e5dfc28294 100644
--- a/arch/mips/kernel/smp.c
+++ b/arch/mips/kernel/smp.c
@@ -37,7 +37,6 @@
#include <asm/processor.h>
#include <asm/system.h>
#include <asm/mmu_context.h>
-#include <asm/smp.h>
#include <asm/time.h>
#ifdef CONFIG_MIPS_MT_SMTC
@@ -84,6 +83,16 @@ static inline void set_cpu_sibling_map(int cpu)
cpu_set(cpu, cpu_sibling_map[cpu]);
}
+struct plat_smp_ops *mp_ops;
+
+__cpuinit void register_smp_ops(struct plat_smp_ops *ops)
+{
+ if (ops)
+ printk(KERN_WARNING "Overriding previous set SMP ops\n");
+
+ mp_ops = ops;
+}
+
/*
* First C code run on the secondary CPUs after being started up by
* the master.
@@ -100,7 +109,7 @@ asmlinkage __cpuinit void start_secondary(void)
cpu_report();
per_cpu_trap_init();
mips_clockevent_init();
- prom_init_secondary();
+ mp_ops->init_secondary();
/*
* XXX parity protection should be folded in here when it's converted
@@ -112,7 +121,7 @@ asmlinkage __cpuinit void start_secondary(void)
cpu = smp_processor_id();
cpu_data[cpu].udelay_val = loops_per_jiffy;
- prom_smp_finish();
+ mp_ops->smp_finish();
set_cpu_sibling_map(cpu);
cpu_set(cpu, cpu_callin_map);
@@ -184,7 +193,7 @@ int smp_call_function_mask(cpumask_t mask, void (*func) (void *info),
smp_mb();
/* Send a message to all other CPUs and wait for them to respond */
- core_send_ipi_mask(mask, SMP_CALL_FUNCTION);
+ mp_ops->send_ipi_mask(mask, SMP_CALL_FUNCTION);
/* Wait for response */
/* FIXME: lock-up detection, backtrace on lock-up */
@@ -278,7 +287,7 @@ void smp_send_stop(void)
void __init smp_cpus_done(unsigned int max_cpus)
{
- prom_cpus_done();
+ mp_ops->cpus_done();
}
/* called from main before smp_init() */
@@ -286,7 +295,7 @@ void __init smp_prepare_cpus(unsigned int max_cpus)
{
init_new_context(current, &init_mm);
current_thread_info()->cpu = 0;
- plat_prepare_cpus(max_cpus);
+ mp_ops->prepare_cpus(max_cpus);
set_cpu_sibling_map(0);
#ifndef CONFIG_HOTPLUG_CPU
cpu_present_map = cpu_possible_map;
@@ -325,7 +334,7 @@ int __cpuinit __cpu_up(unsigned int cpu)
if (IS_ERR(idle))
panic(KERN_ERR "Fork failed for CPU %d", cpu);
- prom_boot_secondary(cpu, idle);
+ mp_ops->boot_secondary(cpu, idle);
/*
* Trust is futile. We should really have timeouts ...