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authorCatalin Marinas <catalin.marinas@arm.com>2008-02-04 17:45:03 +0100
committerRussell King <rmk+kernel@arm.linux.org.uk>2008-02-04 17:52:27 +0000
commit39e823e35b791b905e0d8eba62e8b3a0b3351936 (patch)
tree0bb4c51e56d3ff903d53479e1a602a50ee05fc54
parent8cc4c5488a28fe6a1f834e99317bb762798600f7 (diff)
downloadop-kernel-dev-39e823e35b791b905e0d8eba62e8b3a0b3351936.zip
op-kernel-dev-39e823e35b791b905e0d8eba62e8b3a0b3351936.tar.gz
[ARM] 4821/1: RealView: Remove the platform dependencies from localtimer.c
This patch removes the TWD_BASE macro used to set up and configure the local timers on ARM11MPCore. The twd_base_addr and twd_size variables are defined in localtimer.c and set from the realview_eb_init function. Signed-off-by: Catalin Marinas <catalin.marinas@arm.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
-rw-r--r--arch/arm/mach-realview/core.h4
-rw-r--r--arch/arm/mach-realview/localtimer.c9
-rw-r--r--arch/arm/mach-realview/realview_eb.c8
3 files changed, 16 insertions, 5 deletions
diff --git a/arch/arm/mach-realview/core.h b/arch/arm/mach-realview/core.h
index 16c9d45..492a14c 100644
--- a/arch/arm/mach-realview/core.h
+++ b/arch/arm/mach-realview/core.h
@@ -51,6 +51,10 @@ extern struct mmc_platform_data realview_mmc1_plat_data;
extern struct clk realview_clcd_clk;
extern struct clcd_board clcd_plat_data;
extern void __iomem *gic_cpu_base_addr;
+#ifdef CONFIG_LOCAL_TIMERS
+extern void __iomem *twd_base_addr;
+extern unsigned int twd_size;
+#endif
extern void realview_leds_event(led_event_t ledevt);
extern void realview_timer_init(unsigned int timer_irq);
diff --git a/arch/arm/mach-realview/localtimer.c b/arch/arm/mach-realview/localtimer.c
index 60500f0..5060436 100644
--- a/arch/arm/mach-realview/localtimer.c
+++ b/arch/arm/mach-realview/localtimer.c
@@ -24,9 +24,6 @@
#include <asm/io.h>
#include <asm/irq.h>
-#define TWD_BASE(cpu) (__io_address(REALVIEW_EB11MP_TWD_BASE) + \
- ((cpu) * REALVIEW_EB11MP_TWD_SIZE))
-
static DEFINE_PER_CPU(struct clock_event_device, local_clockevent);
/*
@@ -41,6 +38,12 @@ void local_timer_interrupt(void)
#ifdef CONFIG_LOCAL_TIMERS
+#define TWD_BASE(cpu) (twd_base_addr + (cpu) * twd_size)
+
+/* set up by the platform code */
+void __iomem *twd_base_addr;
+unsigned int twd_size;
+
static unsigned long mpcore_timer_rate;
static void local_timer_set_mode(enum clock_event_mode mode,
diff --git a/arch/arm/mach-realview/realview_eb.c b/arch/arm/mach-realview/realview_eb.c
index 20b05f2..8ded2cc 100644
--- a/arch/arm/mach-realview/realview_eb.c
+++ b/arch/arm/mach-realview/realview_eb.c
@@ -309,9 +309,13 @@ static void __init realview_eb_timer_init(void)
{
unsigned int timer_irq;
- if (core_tile_eb11mp())
+ if (core_tile_eb11mp()) {
+#ifdef CONFIG_LOCAL_TIMERS
+ twd_base_addr = __io_address(REALVIEW_EB11MP_TWD_BASE);
+ twd_size = REALVIEW_EB11MP_TWD_SIZE;
+#endif
timer_irq = IRQ_EB11MP_TIMER0_1;
- else
+ } else
timer_irq = IRQ_EB_TIMER0_1;
realview_timer_init(timer_irq);
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