ARM: shmobile: convert to twd_local_timer_register() interface

Add support for the new smp_twd runtime registration interface
to the shmobile platforms, and remove the old compile-time support.

Cc: Magnus Damm <magnus.damm@gmail.com>
Cc: Paul Mundt <lethal@linux-sh.org>
Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>

arch/arm/mach-shmobile/smp-sh73a0.c

@@ -42,6 +42,8 @@ static void __iomem *scu_base_addr(void)
 static DEFINE_SPINLOCK(scu_lock);
 static unsigned long tmp;
 
+static DEFINE_TWD_LOCAL_TIMER(twd_local_timer, 0xf0000600, 29);
+
 static void modify_scu_cpu_psr(unsigned long set, unsigned long clr)
 {
 	void __iomem *scu_base = scu_base_addr();
@@ -60,11 +62,7 @@ unsigned int __init sh73a0_get_core_count(void)
 {
 	void __iomem *scu_base = scu_base_addr();
 
-#ifdef CONFIG_HAVE_ARM_TWD
-	/* twd_base needs to be initialized before percpu_timer_setup() */
-	twd_base = (void __iomem *)0xf0000600;
-#endif
-
+	shmobile_twd_init(&twd_local_timer);
 	return scu_get_core_count(scu_base);
 }