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@@ -21,7 +21,51 @@
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#include <asm/mach/time.h>
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#include <asm/sched_clock.h>
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-#include <plat/mtu.h>
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+/*
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+ * Guaranteed runtime conversion range in seconds for
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+ * the clocksource and clockevent.
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+ */
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+#define MTU_MIN_RANGE 4
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+
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+/*
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+ * The MTU device hosts four different counters, with 4 set of
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+ * registers. These are register names.
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+ */
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+
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+#define MTU_IMSC 0x00 /* Interrupt mask set/clear */
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+#define MTU_RIS 0x04 /* Raw interrupt status */
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+#define MTU_MIS 0x08 /* Masked interrupt status */
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+#define MTU_ICR 0x0C /* Interrupt clear register */
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+
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+/* per-timer registers take 0..3 as argument */
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+#define MTU_LR(x) (0x10 + 0x10 * (x) + 0x00) /* Load value */
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+#define MTU_VAL(x) (0x10 + 0x10 * (x) + 0x04) /* Current value */
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+#define MTU_CR(x) (0x10 + 0x10 * (x) + 0x08) /* Control reg */
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+#define MTU_BGLR(x) (0x10 + 0x10 * (x) + 0x0c) /* At next overflow */
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+
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+/* bits for the control register */
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+#define MTU_CRn_ENA 0x80
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+#define MTU_CRn_PERIODIC 0x40 /* if 0 = free-running */
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+#define MTU_CRn_PRESCALE_MASK 0x0c
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+#define MTU_CRn_PRESCALE_1 0x00
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+#define MTU_CRn_PRESCALE_16 0x04
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+#define MTU_CRn_PRESCALE_256 0x08
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+#define MTU_CRn_32BITS 0x02
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+#define MTU_CRn_ONESHOT 0x01 /* if 0 = wraps reloading from BGLR*/
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+
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+/* Other registers are usual amba/primecell registers, currently not used */
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+#define MTU_ITCR 0xff0
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+#define MTU_ITOP 0xff4
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+
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+#define MTU_PERIPH_ID0 0xfe0
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+#define MTU_PERIPH_ID1 0xfe4
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+#define MTU_PERIPH_ID2 0xfe8
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+#define MTU_PERIPH_ID3 0xfeC
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+
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+#define MTU_PCELL0 0xff0
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+#define MTU_PCELL1 0xff4
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+#define MTU_PCELL2 0xff8
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+#define MTU_PCELL3 0xffC
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static bool clkevt_periodic;
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static u32 clk_prescale;
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@@ -68,7 +112,7 @@ static int nmdk_clkevt_next(unsigned long evt, struct clock_event_device *ev)
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return 0;
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}
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-static void nmdk_clkevt_reset(void)
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+void nmdk_clkevt_reset(void)
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{
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if (clkevt_periodic) {
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@@ -138,7 +182,7 @@ static struct irqaction nmdk_timer_irq = {
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.dev_id = &nmdk_clkevt,
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};
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-static void nmdk_clksrc_reset(void)
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+void nmdk_clksrc_reset(void)
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{
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/* Disable */
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writel(0, mtu_base + MTU_CR(0));
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