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+#ifndef BSP_GT_TIMER_H
+#define BSP_GT_TIMER_H
+
+/* Support for hardware timers in the discovery bridge */
+
+/*
+ * Authorship
+ * ----------
+ * This software ('beatnik' RTEMS BSP for MVME6100 and MVME5500) was
+ * created by Till Straumann <strauman@slac.stanford.edu>, 2005-2007,
+ * Stanford Linear Accelerator Center, Stanford University.
+ *
+ * Acknowledgement of sponsorship
+ * ------------------------------
+ * The 'beatnik' BSP was produced by
+ * the Stanford Linear Accelerator Center, Stanford University,
+ * under Contract DE-AC03-76SFO0515 with the Department of Energy.
+ *
+ * Government disclaimer of liability
+ * ----------------------------------
+ * Neither the United States nor the United States Department of Energy,
+ * nor any of their employees, makes any warranty, express or implied, or
+ * assumes any legal liability or responsibility for the accuracy,
+ * completeness, or usefulness of any data, apparatus, product, or process
+ * disclosed, or represents that its use would not infringe privately owned
+ * rights.
+ *
+ * Stanford disclaimer of liability
+ * --------------------------------
+ * Stanford University makes no representations or warranties, express or
+ * implied, nor assumes any liability for the use of this software.
+ *
+ * Stanford disclaimer of copyright
+ * --------------------------------
+ * Stanford University, owner of the copyright, hereby disclaims its
+ * copyright and all other rights in this software. Hence, anyone may
+ * freely use it for any purpose without restriction.
+ *
+ * Maintenance of notices
+ * ----------------------
+ * In the interest of clarity regarding the origin and status of this
+ * SLAC software, this and all the preceding Stanford University notices
+ * are to remain affixed to any copy or derivative of this software made
+ * or distributed by the recipient and are to be affixed to any copy of
+ * software made or distributed by the recipient that contains a copy or
+ * derivative of this software.
+ *
+ * ------------------ SLAC Software Notices, Set 4 OTT.002a, 2004 FEB 03
+ */
+
+#include <stdint.h>
+
+#ifdef __cplusplus
+ extern "C" {
+#endif
+
+/* Obtain the number of hardware timers present
+ * The 'timer' argument in the routines below addresses
+ * one of 0..(BSP_timer_instances()-1)
+ */
+int BSP_timer_instances(void);
+
+/* Setup timer but don't start yet; interrupts are enabled if an isr argument is passed
+ * no interrupts are generated otherwise.
+ *
+ * If 'reload' is nonzero then the period is automatically restarted.
+ *
+ * RETURNS: 0 on success, nonzero on error (argument error)
+ *
+ * NOTE: If an ISR is already connected, it must be removed by passing a NULL isr first.
+ */
+int BSP_timer_setup(uint32_t timer, void (*isr)(void *arg), void *arg, int reload);
+
+/* Stop timer;
+ *
+ * RETURNS: 0 on success, nonzero on argument error
+ */
+int BSP_timer_stop(uint32_t timer);
+
+/* Start timer with 'period' (in ticks)
+ *
+ * RETURNS: 0 on success, nonzero on argument error
+ */
+int BSP_timer_start(uint32_t timer, uint32_t period);
+
+/* read decrementing timer on the fly
+ *
+ * RETURNS: current count in ticks
+ */
+uint32_t BSP_timer_read(uint32_t timer);
+
+/* get clock rate in Hz */
+uint32_t BSP_timer_clock_get(uint32_t timer);
+
+/* Initialize timer facility -- to be used by BSP implementors only
+ *
+ * RETURNS: 0 on success, nonzero if ISR wrapper couldn't be installed
+ */
+int BSP_timers_initialize(void);
+
+/* WATCHDOG TIMER (resets board if enabled and not 'petted' for
+ * some time).
+ */
+
+/* Enable watchdog and set a timeout (in us)
+ * RETURNS 0 on success
+ */
+int BSP_watchdog_enable(uint32_t timeout_us);
+
+/* Disable watchdog
+ * RETURNS 0 on success
+ */
+int BSP_watchdog_disable(void);
+
+/* Check status -- unfortunately there seems to be no way
+ * to read the running value...
+ *
+ * RETURNS nonzero if enabled/running, zero if disabled/stopped
+ */
+int BSP_watchdog_status(void);
+
+/* Pet the watchdog (rearm to configured timeout)
+ * RETURNS: 0 on success, nonzero on failure (watchdog
+ * currently not running).
+ */
+int BSP_watchdog_pet(void);
+
+
+#ifdef __cplusplus
+ }
+#endif
+
+#endif