[PATCH 6/7] ARM: plat-nomadik: timer: Export reset functions
Linus Walleij
linus.walleij at stericsson.com
Thu Sep 22 09:46:56 EDT 2011
From: Jonas Aaberg <jonas.aberg at stericsson.com>
We make the reset function from the driver public, then
we also move of all register defines from the public header
file into driver, where they belong.
Cc: Thomas Gleixner <tglx at linutronix.de>
Signed-off-by: Jonas Aaberg <jonas.aberg at stericsson.com>
Signed-off-by: Linus Walleij <linus.walleij at linaro.org>
---
arch/arm/plat-nomadik/include/plat/mtu.h | 47 +---------------------------
arch/arm/plat-nomadik/timer.c | 50 ++++++++++++++++++++++++++++--
2 files changed, 49 insertions(+), 48 deletions(-)
diff --git a/arch/arm/plat-nomadik/include/plat/mtu.h b/arch/arm/plat-nomadik/include/plat/mtu.h
index 65704a3..6508e76 100644
--- a/arch/arm/plat-nomadik/include/plat/mtu.h
+++ b/arch/arm/plat-nomadik/include/plat/mtu.h
@@ -1,54 +1,11 @@
#ifndef __PLAT_MTU_H
#define __PLAT_MTU_H
-/*
- * Guaranteed runtime conversion range in seconds for
- * the clocksource and clockevent.
- */
-#define MTU_MIN_RANGE 4
-
/* should be set by the platform code */
extern void __iomem *mtu_base;
-/*
- * The MTU device hosts four different counters, with 4 set of
- * registers. These are register names.
- */
-
-#define MTU_IMSC 0x00 /* Interrupt mask set/clear */
-#define MTU_RIS 0x04 /* Raw interrupt status */
-#define MTU_MIS 0x08 /* Masked interrupt status */
-#define MTU_ICR 0x0C /* Interrupt clear register */
-
-/* per-timer registers take 0..3 as argument */
-#define MTU_LR(x) (0x10 + 0x10 * (x) + 0x00) /* Load value */
-#define MTU_VAL(x) (0x10 + 0x10 * (x) + 0x04) /* Current value */
-#define MTU_CR(x) (0x10 + 0x10 * (x) + 0x08) /* Control reg */
-#define MTU_BGLR(x) (0x10 + 0x10 * (x) + 0x0c) /* At next overflow */
-
-/* bits for the control register */
-#define MTU_CRn_ENA 0x80
-#define MTU_CRn_PERIODIC 0x40 /* if 0 = free-running */
-#define MTU_CRn_PRESCALE_MASK 0x0c
-#define MTU_CRn_PRESCALE_1 0x00
-#define MTU_CRn_PRESCALE_16 0x04
-#define MTU_CRn_PRESCALE_256 0x08
-#define MTU_CRn_32BITS 0x02
-#define MTU_CRn_ONESHOT 0x01 /* if 0 = wraps reloading from BGLR*/
-
-/* Other registers are usual amba/primecell registers, currently not used */
-#define MTU_ITCR 0xff0
-#define MTU_ITOP 0xff4
-
-#define MTU_PERIPH_ID0 0xfe0
-#define MTU_PERIPH_ID1 0xfe4
-#define MTU_PERIPH_ID2 0xfe8
-#define MTU_PERIPH_ID3 0xfeC
-
-#define MTU_PCELL0 0xff0
-#define MTU_PCELL1 0xff4
-#define MTU_PCELL2 0xff8
-#define MTU_PCELL3 0xffC
+void nmdk_clkevt_reset(void);
+void nmdk_clksrc_reset(void);
#endif /* __PLAT_MTU_H */
diff --git a/arch/arm/plat-nomadik/timer.c b/arch/arm/plat-nomadik/timer.c
index a04b521..30b6433 100644
--- a/arch/arm/plat-nomadik/timer.c
+++ b/arch/arm/plat-nomadik/timer.c
@@ -21,7 +21,51 @@
#include <asm/mach/time.h>
#include <asm/sched_clock.h>
-#include <plat/mtu.h>
+/*
+ * Guaranteed runtime conversion range in seconds for
+ * the clocksource and clockevent.
+ */
+#define MTU_MIN_RANGE 4
+
+/*
+ * The MTU device hosts four different counters, with 4 set of
+ * registers. These are register names.
+ */
+
+#define MTU_IMSC 0x00 /* Interrupt mask set/clear */
+#define MTU_RIS 0x04 /* Raw interrupt status */
+#define MTU_MIS 0x08 /* Masked interrupt status */
+#define MTU_ICR 0x0C /* Interrupt clear register */
+
+/* per-timer registers take 0..3 as argument */
+#define MTU_LR(x) (0x10 + 0x10 * (x) + 0x00) /* Load value */
+#define MTU_VAL(x) (0x10 + 0x10 * (x) + 0x04) /* Current value */
+#define MTU_CR(x) (0x10 + 0x10 * (x) + 0x08) /* Control reg */
+#define MTU_BGLR(x) (0x10 + 0x10 * (x) + 0x0c) /* At next overflow */
+
+/* bits for the control register */
+#define MTU_CRn_ENA 0x80
+#define MTU_CRn_PERIODIC 0x40 /* if 0 = free-running */
+#define MTU_CRn_PRESCALE_MASK 0x0c
+#define MTU_CRn_PRESCALE_1 0x00
+#define MTU_CRn_PRESCALE_16 0x04
+#define MTU_CRn_PRESCALE_256 0x08
+#define MTU_CRn_32BITS 0x02
+#define MTU_CRn_ONESHOT 0x01 /* if 0 = wraps reloading from BGLR*/
+
+/* Other registers are usual amba/primecell registers, currently not used */
+#define MTU_ITCR 0xff0
+#define MTU_ITOP 0xff4
+
+#define MTU_PERIPH_ID0 0xfe0
+#define MTU_PERIPH_ID1 0xfe4
+#define MTU_PERIPH_ID2 0xfe8
+#define MTU_PERIPH_ID3 0xfeC
+
+#define MTU_PCELL0 0xff0
+#define MTU_PCELL1 0xff4
+#define MTU_PCELL2 0xff8
+#define MTU_PCELL3 0xffC
static bool clkevt_periodic;
static u32 clk_prescale;
@@ -68,7 +112,7 @@ static int nmdk_clkevt_next(unsigned long evt, struct clock_event_device *ev)
return 0;
}
-static void nmdk_clkevt_reset(void)
+void nmdk_clkevt_reset(void)
{
if (clkevt_periodic) {
@@ -138,7 +182,7 @@ static struct irqaction nmdk_timer_irq = {
.dev_id = &nmdk_clkevt,
};
-static void nmdk_clksrc_reset(void)
+void nmdk_clksrc_reset(void)
{
/* Disable */
writel(0, mtu_base + MTU_CR(0));
--
1.7.3.2
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