ARM: versatile: use new init_early for clock tree and sched_clock init
Initialize the clock tree and our sched_clock() early.
Acked-by: Catalin Marinas <catalin.marinas@arm.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
diff --git a/arch/arm/mach-versatile/core.c b/arch/arm/mach-versatile/core.c
index b4f1f17..606e0469 100644
--- a/arch/arm/mach-versatile/core.c
+++ b/arch/arm/mach-versatile/core.c
@@ -762,14 +762,21 @@
}
#endif /* CONFIG_LEDS */
+/* Early initializations */
+void __init versatile_init_early(void)
+{
+ void __iomem *sys = __io_address(VERSATILE_SYS_BASE);
+
+ osc4_clk.vcoreg = sys + VERSATILE_SYS_OSCCLCD_OFFSET;
+ clkdev_add_table(lookups, ARRAY_SIZE(lookups));
+
+ versatile_sched_clock_init(sys + VERSATILE_SYS_24MHz_OFFSET, 24000000);
+}
+
void __init versatile_init(void)
{
int i;
- osc4_clk.vcoreg = __io_address(VERSATILE_SYS_BASE) + VERSATILE_SYS_OSCCLCD_OFFSET;
-
- clkdev_add_table(lookups, ARRAY_SIZE(lookups));
-
platform_device_register(&versatile_flash_device);
platform_device_register(&versatile_i2c_device);
platform_device_register(&smc91x_device);
@@ -786,12 +793,6 @@
}
/*
- * The sched_clock counter
- */
-#define REFCOUNTER (__io_address(VERSATILE_SYS_BASE) + \
- VERSATILE_SYS_24MHz_OFFSET)
-
-/*
* Where is the timer (VA)?
*/
#define TIMER0_VA_BASE __io_address(VERSATILE_TIMER0_1_BASE)
@@ -806,8 +807,6 @@
{
u32 val;
- versatile_sched_clock_init(REFCOUNTER, 24000000);
-
/*
* set clock frequency:
* VERSATILE_REFCLK is 32KHz
diff --git a/arch/arm/mach-versatile/core.h b/arch/arm/mach-versatile/core.h
index 9d39886..e04768a 100644
--- a/arch/arm/mach-versatile/core.h
+++ b/arch/arm/mach-versatile/core.h
@@ -25,6 +25,7 @@
#include <linux/amba/bus.h>
extern void __init versatile_init(void);
+extern void __init versatile_init_early(void);
extern void __init versatile_init_irq(void);
extern void __init versatile_map_io(void);
extern struct sys_timer versatile_timer;
diff --git a/arch/arm/mach-versatile/versatile_ab.c b/arch/arm/mach-versatile/versatile_ab.c
index aa9730f..f8ae64b 100644
--- a/arch/arm/mach-versatile/versatile_ab.c
+++ b/arch/arm/mach-versatile/versatile_ab.c
@@ -37,6 +37,7 @@
/* Maintainer: ARM Ltd/Deep Blue Solutions Ltd */
.boot_params = 0x00000100,
.map_io = versatile_map_io,
+ .init_early = versatile_init_early,
.init_irq = versatile_init_irq,
.timer = &versatile_timer,
.init_machine = versatile_init,
diff --git a/arch/arm/mach-versatile/versatile_pb.c b/arch/arm/mach-versatile/versatile_pb.c
index bf46964..97fb306 100644
--- a/arch/arm/mach-versatile/versatile_pb.c
+++ b/arch/arm/mach-versatile/versatile_pb.c
@@ -110,6 +110,7 @@
/* Maintainer: ARM Ltd/Deep Blue Solutions Ltd */
.boot_params = 0x00000100,
.map_io = versatile_map_io,
+ .init_early = versatile_init_early,
.init_irq = versatile_init_irq,
.timer = &versatile_timer,
.init_machine = versatile_pb_init,