1 files changed, 125 insertions, 0 deletions
diff --git a/bsps/sparc/leon3/start/bspstart.c b/bsps/sparc/leon3/start/bspstart.c
new file mode 100644
index 0000000000..58fc7d0907
--- /dev/null
+++ b/bsps/sparc/leon3/start/bspstart.c
@@ -0,0 +1,125 @@
+/*
+ *  This set of routines starts the application.  It includes application,
+ *  board, and monitor specific initialization and configuration.
+ *  The generic CPU dependent initialization has been performed
+ *  before any of these are invoked.
+ *
+ *  COPYRIGHT (c) 2011
+ *  Aeroflex Gaisler
+ *
+ *  COPYRIGHT (c) 1989-2013.
+ *  On-Line Applications Research Corporation (OAR).
+ *
+ *  Modified for LEON3 BSP.
+ *  COPYRIGHT (c) 2004.
+ *  Gaisler Research.
+ *
+ *  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 <leon.h>
+#include <bsp/bootcard.h>
+#include <drvmgr/drvmgr.h>
+#include <rtems/sysinit.h>
+
+#if defined(RTEMS_SMP) || defined(RTEMS_MULTIPROCESSING)
+/* Irq used by shared memory driver and for inter-processor interrupts.
+ * Can be overridden by being defined in the application.
+ */
+const unsigned char LEON3_mp_irq __attribute__((weak)) = 14;
+#endif
+
+/*
+ * Tells us if data cache snooping is available
+ */
+int CPU_SPARC_HAS_SNOOPING;
+
+/* Index of CPU, in an AMP system CPU-index may be non-zero */
+uint32_t LEON3_Cpu_Index = 0;
+
+#if defined(RTEMS_SMP)
+/* Index of the boot CPU. Set by the first CPU at boot to its CPU ID. */
+int LEON3_Boot_Cpu = -1;
+#endif
+
+/*
+ * set_snooping
+ *
+ * Read the cache control register to determine if
+ * bus snooping is available and enabled. This is needed for some
+ * drivers so that they can select the most efficient copy routines.
+ *
+ */
+
+static inline int set_snooping(void)
+{
+  return (leon3_get_cache_control_register() >> 23) & 1;
+}
+
+/*
+ *  bsp_start
+ *
+ *  This routine does the bulk of the system initialization.
+ */
+void bsp_start( void )
+{
+  CPU_SPARC_HAS_SNOOPING = set_snooping();
+}
+
+static void leon3_cpu_index_init(void)
+{
+  /* Get the LEON3 CPU index, normally 0, but for MP systems we do
+   * _not_ assume that this is CPU0. One may run another OS on CPU0
+   * and RTEMS on this CPU, and AMP system with mixed operating
+   * systems
+   */
+  LEON3_Cpu_Index = _LEON3_Get_current_processor();
+}
+
+RTEMS_SYSINIT_ITEM(
+  leon3_cpu_index_init,
+  RTEMS_SYSINIT_BSP_START,
+  RTEMS_SYSINIT_ORDER_FIRST
+);
+
+static void leon3_interrupt_common_init( void )
+{
+  /* Initialize shared interrupt handling, must be done after IRQ
+   * controller has been found and initialized.
+   */
+  BSP_shared_interrupt_init();
+}
+
+/*
+ * Called just before drivers are initialized.  Is used to initialize shared
+ * interrupt handling.
+ */
+static void leon3_pre_driver_hook( void )
+{
+  bsp_spurious_initialize();
+
+#ifndef RTEMS_DRVMGR_STARTUP
+  leon3_interrupt_common_init();
+#endif
+}
+
+RTEMS_SYSINIT_ITEM(
+  leon3_pre_driver_hook,
+  RTEMS_SYSINIT_BSP_PRE_DRIVERS,
+  RTEMS_SYSINIT_ORDER_MIDDLE
+);
+
+#ifdef RTEMS_DRVMGR_STARTUP
+/*
+ * Initialize shared interrupt handling, must be done after IRQ controller has
+ * been found and initialized.
+ */
+RTEMS_SYSINIT_ITEM(
+  leon3_interrupt_common_init,
+  RTEMS_SYSINIT_DRVMGR_LEVEL_1,
+  RTEMS_SYSINIT_ORDER_LAST
+);
+#endif