1 files changed, 91 insertions, 10 deletions

diff --git a/arch/sparc/kernel/smp_32.c b/arch/sparc/kernel/smp_32.c
index 79db45e5134..7958242d63c 100644
--- a/arch/sparc/kernel/smp_32.c
+++ b/arch/sparc/kernel/smp_32.c
@@ -20,6 +20,8 @@
 #include <linux/seq_file.h>
 #include <linux/cache.h>
 #include <linux/delay.h>
+#include <linux/profile.h>
+#include <linux/cpu.h>
 
 #include <asm/ptrace.h>
 #include <linux/atomic.h>
@@ -32,11 +34,13 @@
 #include <asm/cacheflush.h>
 #include <asm/tlbflush.h>
 #include <asm/cpudata.h>
+#include <asm/timer.h>
 #include <asm/leon.h>
 
+#include "kernel.h"
 #include "irq.h"
 
-volatile unsigned long cpu_callin_map[NR_CPUS] __cpuinitdata = {0,};
+volatile unsigned long cpu_callin_map[NR_CPUS] = {0,};
 
 cpumask_t smp_commenced_mask = CPU_MASK_NONE;
 
@@ -50,7 +54,7 @@ const struct sparc32_ipi_ops *sparc32_ipi_ops;
  * instruction which is much better...
  */
 
-void __cpuinit smp_store_cpu_info(int id)
+void smp_store_cpu_info(int id)
 {
 	int cpu_node;
 	int mid;
@@ -72,8 +76,6 @@ void __cpuinit smp_store_cpu_info(int id)
 
 void __init smp_cpus_done(unsigned int max_cpus)
 {
-	extern void smp4m_smp_done(void);
-	extern void smp4d_smp_done(void);
 	unsigned long bogosum = 0;
 	int cpu, num = 0;
 
@@ -117,7 +119,7 @@ void cpu_panic(void)
 	panic("SMP bolixed\n");
 }
 
-struct linux_prom_registers smp_penguin_ctable __cpuinitdata = { 0 };
+struct linux_prom_registers smp_penguin_ctable = { 0 };
 
 void smp_send_reschedule(int cpu)
 {
@@ -180,8 +182,6 @@ int setup_profiling_timer(unsigned int multiplier)
 
 void __init smp_prepare_cpus(unsigned int max_cpus)
 {
-	extern void __init smp4m_boot_cpus(void);
-	extern void __init smp4d_boot_cpus(void);
 	int i, cpuid, extra;
 
 	printk("Entering SMP Mode...\n");
@@ -256,10 +256,8 @@ void __init smp_prepare_boot_cpu(void)
 	set_cpu_possible(cpuid, true);
 }
 
-int __cpuinit __cpu_up(unsigned int cpu, struct task_struct *tidle)
+int __cpu_up(unsigned int cpu, struct task_struct *tidle)
 {
-	extern int __cpuinit smp4m_boot_one_cpu(int, struct task_struct *);
-	extern int __cpuinit smp4d_boot_one_cpu(int, struct task_struct *);
 	int ret=0;
 
 	switch(sparc_cpu_model) {
@@ -294,6 +292,89 @@ int __cpuinit __cpu_up(unsigned int cpu, struct task_struct *tidle)
 	return ret;
 }
 
+static void arch_cpu_pre_starting(void *arg)
+{
+	local_ops->cache_all();
+	local_ops->tlb_all();
+
+	switch(sparc_cpu_model) {
+	case sun4m:
+		sun4m_cpu_pre_starting(arg);
+		break;
+	case sun4d:
+		sun4d_cpu_pre_starting(arg);
+		break;
+	case sparc_leon:
+		leon_cpu_pre_starting(arg);
+		break;
+	default:
+		BUG();
+	}
+}
+
+static void arch_cpu_pre_online(void *arg)
+{
+	unsigned int cpuid = hard_smp_processor_id();
+
+	register_percpu_ce(cpuid);
+
+	calibrate_delay();
+	smp_store_cpu_info(cpuid);
+
+	local_ops->cache_all();
+	local_ops->tlb_all();
+
+	switch(sparc_cpu_model) {
+	case sun4m:
+		sun4m_cpu_pre_online(arg);
+		break;
+	case sun4d:
+		sun4d_cpu_pre_online(arg);
+		break;
+	case sparc_leon:
+		leon_cpu_pre_online(arg);
+		break;
+	default:
+		BUG();
+	}
+}
+
+static void sparc_start_secondary(void *arg)
+{
+	unsigned int cpu;
+
+	/*
+	 * SMP booting is extremely fragile in some architectures. So run
+	 * the cpu initialization code first before anything else.
+	 */
+	arch_cpu_pre_starting(arg);
+
+	preempt_disable();
+	cpu = smp_processor_id();
+
+	/* Invoke the CPU_STARTING notifier callbacks */
+	notify_cpu_starting(cpu);
+
+	arch_cpu_pre_online(arg);
+
+	/* Set the CPU in the cpu_online_mask */
+	set_cpu_online(cpu, true);
+
+	/* Enable local interrupts now */
+	local_irq_enable();
+
+	wmb();
+	cpu_startup_entry(CPUHP_ONLINE);
+
+	/* We should never reach here! */
+	BUG();
+}
+
+void smp_callin(void)
+{
+	sparc_start_secondary(NULL);
+}
+
 void smp_bogo(struct seq_file *m)
 {
 	int i;