From c23e29effa1e89467a26075125193452753929cb Mon Sep 17 00:00:00 2001
From: Joel Sherrill <joel.sherrill@OARcorp.com>
Date: Mon, 23 Nov 2009 20:09:58 +0000
Subject: 2009-11-23	Joel Sherrill <joel.sherrill@OARcorp.com>

	* Makefile.am: sparc/shared/bspstart.c was really leon2 specific. So
	move it here.
	* startup/bspstart.c: New file.
---
 c/src/lib/libbsp/sparc/leon2/ChangeLog          |  6 ++++
 c/src/lib/libbsp/sparc/leon2/Makefile.am        |  6 ++--
 c/src/lib/libbsp/sparc/leon2/startup/bspstart.c | 46 +++++++++++++++++++++++++
 3 files changed, 55 insertions(+), 3 deletions(-)
 create mode 100644 c/src/lib/libbsp/sparc/leon2/startup/bspstart.c

(limited to 'c')

diff --git a/c/src/lib/libbsp/sparc/leon2/ChangeLog b/c/src/lib/libbsp/sparc/leon2/ChangeLog
index 3fe1dc2181..3fda0bab47 100644
--- a/c/src/lib/libbsp/sparc/leon2/ChangeLog
+++ b/c/src/lib/libbsp/sparc/leon2/ChangeLog
@@ -1,3 +1,9 @@
+2009-11-23	Joel Sherrill <joel.sherrill@OARcorp.com>
+
+	* Makefile.am: sparc/shared/bspstart.c was really leon2 specific. So
+	move it here.
+	* startup/bspstart.c: New file.
+
 2009-10-21	Ralf Corsépius <ralf.corsepius@rtems.org>
 
 	* make/custom/leon2.cfg: Remove RTEMS_BSP_FAMILY.
diff --git a/c/src/lib/libbsp/sparc/leon2/Makefile.am b/c/src/lib/libbsp/sparc/leon2/Makefile.am
index 510e376e3e..44880017f0 100644
--- a/c/src/lib/libbsp/sparc/leon2/Makefile.am
+++ b/c/src/lib/libbsp/sparc/leon2/Makefile.am
@@ -56,9 +56,9 @@ libbsp_a_SOURCES =
 # startup
 libbsp_a_SOURCES += ../../shared/bspclean.c ../../shared/bsplibc.c \
     ../../shared/bsppost.c ../../shared/bsppredriverhook.c \
-    ../../sparc/shared/bspgetworkarea.c ../../sparc/shared/bspstart.c \
-    ../../shared/bootcard.c ../../shared/sbrk.c startup/setvec.c \
-    startup/spurious.c startup/bspidle.c
+    startup/bspstart.c ../../sparc/shared/bsppretaskinghook.c \
+    ../../sparc/shared/bspgetworkarea.c ../../shared/bootcard.c \
+    ../../shared/sbrk.c startup/setvec.c startup/spurious.c startup/bspidle.c
 # gnatsupp
 libbsp_a_SOURCES += gnatsupp/gnatsupp.c ../../sparc/shared/gnatcommon.c
 # console
diff --git a/c/src/lib/libbsp/sparc/leon2/startup/bspstart.c b/c/src/lib/libbsp/sparc/leon2/startup/bspstart.c
new file mode 100644
index 0000000000..899c4dd8aa
--- /dev/null
+++ b/c/src/lib/libbsp/sparc/leon2/startup/bspstart.c
@@ -0,0 +1,46 @@
+/*
+ *  LEON2 Cache Snooping Support
+ *
+ *
+ *  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.
+ *
+ *  Ported to ERC32 implementation of the SPARC by On-Line Applications
+ *  Research Corporation (OAR) under contract to the European Space
+ *  Agency (ESA).
+ *
+ *  ERC32 modifications of respective RTEMS file: COPYRIGHT (c) 1995.
+ *  European Space Agency.
+ *
+ *  $Id$
+ */
+
+#include <bsp.h>
+#include <bsp/bootcard.h>
+
+/*
+ * Tells us if data cache snooping is available
+ */ 
+int CPU_SPARC_HAS_SNOOPING;
+
+/*
+ * set_snooping
+ * 
+ * Read the data cache configuration register to determine if
+ * bus snooping is available. This is needed for some drivers so
+ * that they can select the most efficient copy routines.  
+ */
+static inline int set_snooping(void) 
+{
+  unsigned int tmp = *(unsigned int *)0x80000014; /* Cache control register */
+  return ((tmp>>23) & 1); /* Data cache snooping enabled */
+}
+
+void bsp_start( void )
+{
+  CPU_SPARC_HAS_SNOOPING = set_snooping();
+}
-- 
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