1 files changed, 105 insertions, 0 deletions
diff --git a/src/vendorcode/cavium/include/bdk/libbdk-hal/bdk-clock.h b/src/vendorcode/cavium/include/bdk/libbdk-hal/bdk-clock.h
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index 0000000000..d0d117c590
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+++ b/src/vendorcode/cavium/include/bdk/libbdk-hal/bdk-clock.h
@@ -0,0 +1,105 @@
+/***********************license start***********************************
+* Copyright (c) 2003-2017  Cavium Inc. (support@cavium.com). All rights
+* reserved.
+*
+*
+* Redistribution and use in source and binary forms, with or without
+* modification, are permitted provided that the following conditions are
+* met:
+*
+*   * Redistributions of source code must retain the above copyright
+*     notice, this list of conditions and the following disclaimer.
+*
+*   * 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.
+*
+*   * Neither the name of Cavium Inc. nor the names of
+*     its contributors may be used to endorse or promote products
+*     derived from this software without specific prior written
+*     permission.
+*
+* This Software, including technical data, may be subject to U.S. export
+* control laws, including the U.S. Export Administration Act and its
+* associated regulations, and may be subject to export or import
+* regulations in other countries.
+*
+* TO THE MAXIMUM EXTENT PERMITTED BY LAW, THE SOFTWARE IS PROVIDED "AS IS"
+* AND WITH ALL FAULTS AND CAVIUM INC. MAKES NO PROMISES, REPRESENTATIONS OR
+* WARRANTIES, EITHER EXPRESS, IMPLIED, STATUTORY, OR OTHERWISE, WITH RESPECT
+* TO THE SOFTWARE, INCLUDING ITS CONDITION, ITS CONFORMITY TO ANY
+* REPRESENTATION OR DESCRIPTION, OR THE EXISTENCE OF ANY LATENT OR PATENT
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+* OF TITLE, MERCHANTABILITY, NONINFRINGEMENT, FITNESS FOR A PARTICULAR
+* PURPOSE, LACK OF VIRUSES, ACCURACY OR COMPLETENESS, QUIET ENJOYMENT,
+* QUIET POSSESSION OR CORRESPONDENCE TO DESCRIPTION. THE ENTIRE  RISK
+* ARISING OUT OF USE OR PERFORMANCE OF THE SOFTWARE LIES WITH YOU.
+***********************license end**************************************/
+
+/**
+ * @file
+ *
+ * Interface to Core, IO and DDR Clock.
+ *
+ * <hr>$Revision: 45089 $<hr>
+ *
+ * @addtogroup hal
+ * @{
+ */
+
+#define BDK_GTI_RATE 100000000ull
+
+/**
+ * Enumeration of different Clocks.
+ */
+typedef enum{
+    BDK_CLOCK_TIME,     /**< Clock for telling time with fast access. Uses GTI in core */
+    BDK_CLOCK_MAIN_REF, /**< Main reference clock */
+    BDK_CLOCK_RCLK,     /**< Clock used by cores, coherent bus and L2 cache. */
+    BDK_CLOCK_SCLK,     /**< Clock used by IO blocks. */
+} bdk_clock_t;
+
+/**
+ * Called in __bdk_init to setup the global timer
+ */
+extern void bdk_clock_setup();
+
+/**
+ * Get cycle count based on the clock type.
+ *
+ * @param clock - Enumeration of the clock type.
+ * @return      - Get the number of cycles executed so far.
+ */
+static inline uint64_t bdk_clock_get_count(bdk_clock_t clock) __attribute__ ((always_inline));
+static inline uint64_t bdk_clock_get_count(bdk_clock_t clock)
+{
+    extern uint64_t __bdk_clock_get_count_slow(bdk_clock_t clock);
+    if (clock == BDK_CLOCK_TIME)
+    {
+        uint64_t clk;
+        BDK_MRS(CNTPCT_EL0, clk);
+        return clk;
+    }
+    else
+        return __bdk_clock_get_count_slow(clock);
+}
+
+/**
+ * Get clock rate based on the clock type.
+ *
+ * @param node    Node to use in a Numa setup. Can be an exact ID or a special value.
+ * @param clock - Enumeration of the clock type.
+ * @return      - return the clock rate.
+ */
+static inline uint64_t bdk_clock_get_rate(bdk_node_t node, bdk_clock_t clock) __attribute__ ((always_inline, pure));
+static inline uint64_t bdk_clock_get_rate(bdk_node_t node, bdk_clock_t clock)
+{
+    extern uint64_t __bdk_clock_get_rate_slow(bdk_node_t node, bdk_clock_t clock) __attribute__ ((pure));
+    if (clock == BDK_CLOCK_TIME)
+        return BDK_GTI_RATE; /* Programed as part of setup */
+    else
+        return __bdk_clock_get_rate_slow(node, clock);
+}
+
+/** @} */