1 files changed, 76 insertions, 0 deletions
diff --git a/bsps/include/dev/clock/arm-generic-timer.h b/bsps/include/dev/clock/arm-generic-timer.h
new file mode 100644
index 0000000000..3b51d23e64
--- /dev/null
+++ b/bsps/include/dev/clock/arm-generic-timer.h
@@ -0,0 +1,76 @@
+/* SPDX-License-Identifier: BSD-2-Clause */
+
+/**
+ * @file
+ *
+ * @ingroup RTEMSBSPsShared
+ *
+ * @brief Header defining architecture-specific clock functions.
+ */
+
+/*
+ * Copyright (C) 2020 On-Line Applications Research Corporation (OAR)
+ * Written by Kinsey Moore <kinsey.moore@oarcorp.com>
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include <rtems/score/basedefs.h>
+
+/**
+ * This function returns the current compare value for the ARM General Purpose
+ * Timer.
+ *
+ * @return The current compare value.
+ */
+uint64_t arm_gt_clock_get_compare_value(void);
+
+/**
+ * This function sets the current compare value for the ARM General Purpose
+ * Timer.
+ *
+ * @param[in] cval The value to set as the compare value
+ */
+void arm_gt_clock_set_compare_value(uint64_t cval);
+
+/**
+ * This function returns the count for the ARM General Purpose Timer.
+ *
+ * @return The current count.
+ */
+uint64_t arm_gt_clock_get_count(void);
+
+/**
+ * This function sets the control register for the ARM General Purpose Timer.
+ *
+ * @param[in] ctl The value to set to the control register
+ */
+void arm_gt_clock_set_control(uint32_t ctl);
+
+/**
+ * This function gets the frequency and IRQ number used by the ARM General
+ * Purpose Timer.
+ *
+ * @param[out] frequency The frequency at which the timer will fire.
+ * @param[out] irq The number of the IRQ on which the timer will fire.
+ */
+void arm_generic_timer_get_config(uint32_t *frequency, uint32_t *irq);