1 files changed, 84 insertions, 0 deletions
diff --git a/c/src/lib/libbsp/powerpc/score603e/irq/no_pic.c b/c/src/lib/libbsp/powerpc/score603e/irq/no_pic.c
new file mode 100644
index 0000000000..c30fb20156
--- /dev/null
+++ b/c/src/lib/libbsp/powerpc/score603e/irq/no_pic.c
@@ -0,0 +1,84 @@
+/*
+ *
+ *  This file contains the implementation of the function described in irq.h
+ *
+ *  COPYRIGHT (c) 1989-2009.
+ *  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.com/license/LICENSE.
+ *
+ *  $Id$
+ */
+
+#include <rtems.h>
+#include <bsp.h>
+#include <bsp/irq.h>
+#include <bsp/irq_supp.h>
+#include <libcpu/raw_exception.h>
+
+static rtems_irq_connect_data *rtems_hdl_tbl;
+static rtems_irq_connect_data  dflt_entry;
+
+/*
+ * High level IRQ handler called from shared_raw_irq_code_entry
+ */
+int C_dispatch_irq_handler(
+  struct _BSP_Exception_frame *frame,
+  unsigned int excNum
+)
+{
+  register unsigned int irq;
+#if (HAS_PMC_PSC8)
+  uint16_t              check_irq;
+  uint16_t              status_word;
+#endif
+
+  if (excNum == ASM_DEC_VECTOR) {
+    bsp_irq_dispatch_list(rtems_hdl_tbl, BSP_DECREMENTER, dflt_entry.hdl);
+    return 0;
+  }
+
+  irq = read_and_clear_irq();
+
+#if (HAS_PMC_PSC8)
+   if (irq ==  SCORE603E_PCI_IRQ_0) {
+     status_word = read_and_clear_PMC_irq( irq );
+     for (check_irq=SCORE603E_IRQ16; check_irq<=SCORE603E_IRQ19; check_irq++) {
+       if ( Is_PMC_IRQ( check_irq, status_word )) {
+         bsp_irq_dispatch_list_base(rtems_hdl_tbl, check_irq, dflt_entry.hdl);
+       }
+     }
+   } else
+#endif
+   {
+    bsp_irq_dispatch_list_base(rtems_hdl_tbl, irq, dflt_entry.hdl);
+   }
+
+  return 0;
+}
+
+void
+BSP_enable_irq_at_pic(const rtems_irq_number irq)
+{
+  uint16_t  vec_idx  = irq - Score_IRQ_First;
+  unmask_irq( vec_idx );
+}
+
+int
+BSP_disable_irq_at_pic(const rtems_irq_number irq)
+{
+  uint16_t  vec_idx  = irq - Score_IRQ_First;
+  unmask_irq( vec_idx );
+  return 0;
+}
+
+int
+BSP_setup_the_pic(rtems_irq_global_settings *config)
+{
+  dflt_entry    = config->defaultEntry;
+  rtems_hdl_tbl = config->irqHdlTbl;
+  init_irq_data_register();
+  return 1;
+}