ARM: mach-shmobile: sh7372, AP4EVB and Mackerel timer rework

Move the SoC specific timer code from AP4EVB and Mackerel
to sh7372 setup code. This makes is possible to share
the SoC specific timer code across boards and it also
removes the need for a board specific timer structure.

Signed-off-by: Magnus Damm <damm@opensource.se>
Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>

arch/arm/mach-shmobile/board-ap4evb.c

@@ -61,7 +61,6 @@
 
 #include <asm/mach-types.h>
 #include <asm/mach/arch.h>
-#include <asm/mach/time.h>
 #include <asm/setup.h>
 
 /*
@@ -1436,21 +1435,11 @@ static void __init ap4evb_init(void)
 	pm_clk_add(&lcdc1_device.dev, "hdmi");
 }
 
-static void __init ap4evb_timer_init(void)
-{
-	sh7372_clock_init();
-	shmobile_timer.init();
-}
-
-static struct sys_timer ap4evb_timer = {
-	.init		= ap4evb_timer_init,
-};
-
 MACHINE_START(AP4EVB, "ap4evb")
 	.map_io		= sh7372_map_io,
 	.init_early	= sh7372_add_early_devices,
 	.init_irq	= sh7372_init_irq,
 	.handle_irq	= shmobile_handle_irq_intc,
 	.init_machine	= ap4evb_init,
-	.timer		= &ap4evb_timer,
+	.timer		= &shmobile_timer,
 MACHINE_END

arch/arm/mach-shmobile/board-mackerel.c

@@ -57,7 +57,6 @@
 #include <mach/sh7372.h>
 
 #include <asm/mach/arch.h>
-#include <asm/mach/time.h>
 #include <asm/mach-types.h>
 
 /*
@@ -1554,21 +1553,11 @@ static void __init mackerel_init(void)
 	pm_clk_add(&hdmi_lcdc_device.dev, "hdmi");
 }
 
-static void __init mackerel_timer_init(void)
-{
-	sh7372_clock_init();
-	shmobile_timer.init();
-}
-
-static struct sys_timer mackerel_timer = {
-	.init		= mackerel_timer_init,
-};
-
 MACHINE_START(MACKEREL, "mackerel")
 	.map_io		= sh7372_map_io,
 	.init_early	= sh7372_add_early_devices,
 	.init_irq	= sh7372_init_irq,
 	.handle_irq	= shmobile_handle_irq_intc,
 	.init_machine	= mackerel_init,
-	.timer		= &mackerel_timer,
+	.timer		= &shmobile_timer,
 MACHINE_END

arch/arm/mach-shmobile/setup-sh7372.c

@@ -37,6 +37,7 @@
 #include <asm/mach/map.h>
 #include <asm/mach-types.h>
 #include <asm/mach/arch.h>
+#include <asm/mach/time.h>
 
 static struct map_desc sh7372_io_desc[] __initdata = {
 	/* create a 1:1 entity map for 0xe6xxxxxx
@@ -1064,6 +1065,12 @@ void __init sh7372_add_standard_devices(void)
 	sh7372_add_device_to_domain(&sh7372_a4r, &jpu_device);
 }
 
+static void __init sh7372_earlytimer_init(void)
+{
+	sh7372_clock_init();
+	shmobile_earlytimer_init();
+}
+
 void __init sh7372_add_early_devices(void)
 {
 	early_platform_add_devices(sh7372_early_devices,
@@ -1071,4 +1078,7 @@ void __init sh7372_add_early_devices(void)
 
 	/* setup early console here as well */
 	shmobile_setup_console();
+
+	/* override timer setup with soc-specific code */
+	shmobile_timer.init = sh7372_earlytimer_init;
 }