Commit 20cf33ea authored by Russell King's avatar Russell King

[PATCH] ARM SMP: Add basic support Integrator/CP platform

Add basic SMP support for the Integrator/CP platform.
Signed-off-by: default avatarRussell King <rmk+kernel@arm.linux.org.uk>
parent e65f38ed
......@@ -12,3 +12,4 @@ obj-$(CONFIG_LEDS) += leds.o
obj-$(CONFIG_PCI) += pci_v3.o pci.o
obj-$(CONFIG_CPU_FREQ_INTEGRATOR) += cpu.o
obj-$(CONFIG_INTEGRATOR_IMPD1) += impd1.o
obj-$(CONFIG_SMP) += platsmp.o headsmp.o
......@@ -14,6 +14,7 @@
#include <linux/spinlock.h>
#include <linux/interrupt.h>
#include <linux/sched.h>
#include <linux/smp.h>
#include <asm/hardware.h>
#include <asm/irq.h>
......@@ -221,7 +222,24 @@ integrator_timer_interrupt(int irq, void *dev_id, struct pt_regs *regs)
*/
timer1->TimerClear = 1;
timer_tick(regs);
/*
* the clock tick routines are only processed on the
* primary CPU
*/
if (hard_smp_processor_id() == 0) {
nmi_tick();
timer_tick(regs);
#ifdef CONFIG_SMP
smp_send_timer();
#endif
}
#ifdef CONFIG_SMP
/*
* this is the ARM equivalent of the APIC timer interrupt
*/
update_process_times(user_mode(regs));
#endif /* CONFIG_SMP */
write_sequnlock(&xtime_lock);
......
......@@ -22,6 +22,8 @@
*/
#include <linux/kernel.h>
#include <linux/init.h>
#include <linux/smp.h>
#include <linux/spinlock.h>
#include <asm/hardware.h>
#include <asm/io.h>
......@@ -85,4 +87,4 @@ static int __init leds_init(void)
return 0;
}
__initcall(leds_init);
core_initcall(leds_init);
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