1 files changed, 54 insertions, 0 deletions

diff --git a/arch/arm/plat-nomadik/include/plat/mtu.h b/arch/arm/plat-nomadik/include/plat/mtu.h
new file mode 100644
index 00000000000..65704a3d424
--- /dev/null
+++ b/arch/arm/plat-nomadik/include/plat/mtu.h
@@ -0,0 +1,54 @@
+#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
+
+#endif /* __PLAT_MTU_H */
+