bsps: Move benchmark timer to bsps

This patch is a part of the BSP source reorganization.

Update #3285.

1 files changed, 39 insertions, 0 deletions

diff --git a/bsps/m68k/mcf5225x/btimer/btimer.c b/bsps/m68k/mcf5225x/btimer/btimer.c
new file mode 100644
index 0000000000..ac0ca6d7d0
--- /dev/null
+++ b/bsps/m68k/mcf5225x/btimer/btimer.c
@@ -0,0 +1,39 @@
+/*
+ *  Timer Init
+ *
+ *  Use the last DMA timer (DTIM3) as the diagnostic timer.
+ *
+ *  Author: W. Eric Norum <norume@aps.anl.gov>
+ *
+ *  COPYRIGHT (c) 2005-2010.
+ *  On-Line Applications Research Corporation (OAR).
+ *
+ *  The license and distribution terms for this file may be
+ *  found in the file LICENSE in this distribution or at
+ *  http://www.rtems.org/license/LICENSE.
+ */
+
+#include <rtems.h>
+#include <rtems/btimer.h>
+#include <bsp.h>
+
+void benchmark_timer_initialize(void)
+{
+  uint32_t preScaleDivisor = bsp_get_CPU_clock_speed() / 1000000;
+
+  MCF_DTIM3_DTMR = 0;
+  MCF_DTIM3_DTMR = MCF_DTIM_DTMR_PS(preScaleDivisor - 1) |
+    MCF_DTIM_DTMR_CLK_DIV1 | MCF_DTIM_DTMR_RST;
+}
+
+/*
+ * Return timer value in microsecond units
+ */
+benchmark_timer_t benchmark_timer_read(void)
+{
+  return MCF_DTIM3_DTCN;
+}
+
+void benchmark_timer_disable_subtracting_average_overhead(bool find_flag)
+{
+}