1 files changed, 16 insertions, 20 deletions

diff --git a/arch/arm/mach-shmobile/smp-sh73a0.c b/arch/arm/mach-shmobile/smp-sh73a0.c
index d0f9aca22477..bf79626ee5a4 100644
--- a/arch/arm/mach-shmobile/smp-sh73a0.c
+++ b/arch/arm/mach-shmobile/smp-sh73a0.c
@@ -38,26 +38,16 @@
 
 #define PSTR_SHUTDOWN_MODE	3
 
-static void __iomem *scu_base_addr(void)
-{
-	return (void __iomem *)0xf0000000;
-}
+#define SH73A0_SCU_BASE 0xf0000000
 
 #ifdef CONFIG_HAVE_ARM_TWD
-static DEFINE_TWD_LOCAL_TIMER(twd_local_timer, 0xf0000600, 29);
+static DEFINE_TWD_LOCAL_TIMER(twd_local_timer, SH73A0_SCU_BASE + 0x600, 29);
 void __init sh73a0_register_twd(void)
 {
 	twd_local_timer_register(&twd_local_timer);
 }
 #endif
 
-static unsigned int __init sh73a0_get_core_count(void)
-{
-	void __iomem *scu_base = scu_base_addr();
-
-	return scu_get_core_count(scu_base);
-}
-
 static int __cpuinit sh73a0_boot_secondary(unsigned int cpu, struct task_struct *idle)
 {
 	cpu = cpu_logical_map(cpu);
@@ -72,21 +62,22 @@ static int __cpuinit sh73a0_boot_secondary(unsigned int cpu, struct task_struct
 
 static void __init sh73a0_smp_prepare_cpus(unsigned int max_cpus)
 {
-	scu_enable(scu_base_addr());
+	scu_enable(shmobile_scu_base);
 
-	/* Map the reset vector (in headsmp-sh73a0.S) */
+	/* Map the reset vector (in headsmp-scu.S) */
 	__raw_writel(0, APARMBAREA);      /* 4k */
-	__raw_writel(__pa(sh73a0_secondary_vector), SBAR);
+	__raw_writel(__pa(shmobile_secondary_vector_scu), SBAR);
 
 	/* enable cache coherency on booting CPU */
-	scu_power_mode(scu_base_addr(), SCU_PM_NORMAL);
+	scu_power_mode(shmobile_scu_base, SCU_PM_NORMAL);
 }
 
 static void __init sh73a0_smp_init_cpus(void)
 {
-	unsigned int ncores = sh73a0_get_core_count();
+	/* setup sh73a0 specific SCU base */
+	shmobile_scu_base = IOMEM(SH73A0_SCU_BASE);
 
-	shmobile_smp_init_cpus(ncores);
+	shmobile_smp_init_cpus(scu_get_core_count(shmobile_scu_base));
 }
 
 #ifdef CONFIG_HOTPLUG_CPU
@@ -122,11 +113,16 @@ static void sh73a0_cpu_die(unsigned int cpu)
 	flush_cache_all();
 
 	/* Set power off mode. This takes the CPU out of the MP cluster */
-	scu_power_mode(scu_base_addr(), SCU_PM_POWEROFF);
+	scu_power_mode(shmobile_scu_base, SCU_PM_POWEROFF);
 
 	/* Enter shutdown mode */
 	cpu_do_idle();
 }
+
+static int sh73a0_cpu_disable(unsigned int cpu)
+{
+	return 0; /* CPU0 and CPU1 supported */
+}
 #endif /* CONFIG_HOTPLUG_CPU */
 
 struct smp_operations sh73a0_smp_ops __initdata = {
@@ -136,6 +132,6 @@ struct smp_operations sh73a0_smp_ops __initdata = {
 #ifdef CONFIG_HOTPLUG_CPU
 	.cpu_kill		= sh73a0_cpu_kill,
 	.cpu_die		= sh73a0_cpu_die,
-	.cpu_disable		= shmobile_cpu_disable_any,
+	.cpu_disable		= sh73a0_cpu_disable,
 #endif
 };