[ARM] 4370/3: AT91: Support for Atmel AT91SAM9RL processors.

[safe/jmp/linux-2.6] / include / asm-arm / smp.h

diff --git a/include/asm-arm/smp.h b/include/asm-arm/smp.h
index 6c6c60a..f67acce 100644 (file)
--- a/include/asm-arm/smp.h
+++ b/include/asm-arm/smp.h
@@ -10,7 +10,6 @@
 #ifndef __ASM_ARM_SMP_H
 #define __ASM_ARM_SMP_H
 
-#include <linux/config.h>
 #include <linux/threads.h>
 #include <linux/cpumask.h>
 #include <linux/thread_info.h>
@@ -23,9 +22,6 @@
 
 #define raw_smp_processor_id() (current_thread_info()->cpu)
 
-extern cpumask_t cpu_present_mask;
-#define cpu_possible_map cpu_present_mask
-
 /*
  * at the moment, there's not a big penalty for changing CPUs
  * (the >big< penalty is running SMP in the first place)
@@ -40,6 +36,16 @@ struct seq_file;
 extern void show_ipi_list(struct seq_file *p);
 
 /*
+ * Called from assembly code, this handles an IPI.
+ */
+asmlinkage void do_IPI(struct pt_regs *regs);
+
+/*
+ * Setup the SMP cpu_possible_map
+ */
+extern void smp_init_cpus(void);
+
+/*
  * Move global data into per-processor storage.
  */
 extern void smp_store_cpu_info(unsigned int cpuid);
@@ -50,12 +56,23 @@ extern void smp_store_cpu_info(unsigned int cpuid);
 extern void smp_cross_call(cpumask_t callmap);
 
 /*
+ * Broadcast a timer interrupt to the other CPUs.
+ */
+extern void smp_send_timer(void);
+
+/*
  * Boot a secondary CPU, and assign it the specified idle task.
  * This also gives us the initial stack to use for this CPU.
  */
 extern int boot_secondary(unsigned int cpu, struct task_struct *);
 
 /*
+ * Called from platform specific assembly code, this is the
+ * secondary CPU entry point.
+ */
+asmlinkage void secondary_start_kernel(void);
+
+/*
  * Perform platform specific initialisation of the specified CPU.
  */
 extern void platform_secondary_init(unsigned int cpu);
@@ -69,4 +86,52 @@ struct secondary_data {
 };
 extern struct secondary_data secondary_data;
 
+extern int __cpu_disable(void);
+extern int mach_cpu_disable(unsigned int cpu);
+
+extern void __cpu_die(unsigned int cpu);
+extern void cpu_die(void);
+
+extern void platform_cpu_die(unsigned int cpu);
+extern int platform_cpu_kill(unsigned int cpu);
+extern void platform_cpu_enable(unsigned int cpu);
+
+#ifdef CONFIG_LOCAL_TIMERS
+/*
+ * Setup a local timer interrupt for a CPU.
+ */
+extern void local_timer_setup(unsigned int cpu);
+
+/*
+ * Stop a local timer interrupt.
+ */
+extern void local_timer_stop(unsigned int cpu);
+
+/*
+ * Platform provides this to acknowledge a local timer IRQ
+ */
+extern int local_timer_ack(void);
+
+#else
+
+static inline void local_timer_setup(unsigned int cpu)
+{
+}
+
+static inline void local_timer_stop(unsigned int cpu)
+{
+}
+
+#endif
+
+/*
+ * show local interrupt info
+ */
+extern void show_local_irqs(struct seq_file *);
+
+/*
+ * Called from assembly, this is the local timer IRQ handler
+ */
+asmlinkage void do_local_timer(struct pt_regs *);
+
 #endif /* ifndef __ASM_ARM_SMP_H */