diff options
author | Jonas Aaberg <jonas.aberg@stericsson.com> | 2011-09-20 13:18:27 +0400 |
---|---|---|
committer | Linus Walleij <linus.walleij@linaro.org> | 2011-09-22 17:44:17 +0400 |
commit | 05387a9fbf334174e0f84fa77e493c1a804993c9 (patch) | |
tree | a8516b1b99e551e5b6ad002f29634825bbc6f641 | |
parent | 2f73a06843e357190a7a3924c7afb0534cf6adef (diff) | |
download | linux-05387a9fbf334174e0f84fa77e493c1a804993c9.tar.xz |
ARM: plat-nomadik: timer: Export reset functions
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@linutronix.de>
Signed-off-by: Jonas Aaberg <jonas.aberg@stericsson.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
-rw-r--r-- | arch/arm/plat-nomadik/include/plat/mtu.h | 47 | ||||
-rw-r--r-- | 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 65704a3d4241..6508e7694a4b 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 a04b5215b6d8..30b6433d910d 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)); |