1 files changed, 35 insertions, 0 deletions
diff --git a/bsps/m68k/mcf5225x/start/bspstart.c b/bsps/m68k/mcf5225x/start/bspstart.c
new file mode 100644
index 0000000000..d5e0f37dc8
--- /dev/null
+++ b/bsps/m68k/mcf5225x/start/bspstart.c
@@ -0,0 +1,35 @@
+/*
+ *  This routine does the bulk of the system initialisation.
+ */
+
+/*
+ *  Author:
+ *    David Fiddes, D.J@fiddes.surfaid.org
+ *    http://www.calm.hw.ac.uk/davidf/coldfire/
+ *
+ *  COPYRIGHT (c) 1989-1998.
+ *  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 <bsp.h>
+#include <bsp/bootcard.h>
+
+void __attribute__((weak)) bsp_start(void)
+{
+}
+
+uint32_t  __attribute__((weak)) bsp_get_CPU_clock_speed(void)
+{
+  #define DEF_CLOCK_SPEED 8000000.0F //8.0 MHz
+  #define MCF_MFD0_2_MASK 0x7000U
+  #define MCF_RFD0_2_MASK 0x0700U
+  #define MCF_MFD0_2_OFFSET 4U
+
+  #define SPEED_BIAS  ((((MCF_CLOCK_SYNCR & MCF_MFD0_2_MASK) >> 11) + MCF_MFD0_2_OFFSET) / (float)(((MCF_CLOCK_SYNCR & MCF_RFD0_2_MASK)>>7) ? : 1.0F))
+
+  return MCF_CLOCK_SYNCR & MCF_CLOCK_SYNCR_PLLEN ? SPEED_BIAS * DEF_CLOCK_SPEED : DEF_CLOCK_SPEED;
+}