diff --git a/c/src/lib/libbsp/sparc/leon3/ChangeLog b/c/src/lib/libbsp/sparc/leon3/ChangeLog
index 6abc98391d..ad22325cf5 100644
--- a/c/src/lib/libbsp/sparc/leon3/ChangeLog
+++ b/c/src/lib/libbsp/sparc/leon3/ChangeLog
@@ -1,3 +1,11 @@
+2007-09-05	Daniel Hellstrom <daniel@gaisler.com>
+
+	* include/bsp.h, startup/bspstart.c: LEON2 and LEON3 Data cache
+	snooping detection on startup, for drivers. (LEON2,3 are configurable
+	processors, they can be with or without DCache snooping. Caches
+	without snooping needs the drivers to flush cache or use the sparc
+	instruction lda to force cache miss...)
+
 2007-09-05	Daniel Hellstrom <daniel@gaisler.com>
 
 	* Makefile.am, preinstall.am, amba/amba.c, include/amba.h,
diff --git a/c/src/lib/libbsp/sparc/leon3/include/bsp.h b/c/src/lib/libbsp/sparc/leon3/include/bsp.h
index 717395fad4..045b7c2f5a 100644
--- a/c/src/lib/libbsp/sparc/leon3/include/bsp.h
+++ b/c/src/lib/libbsp/sparc/leon3/include/bsp.h
@@ -83,6 +83,8 @@ extern int rtems_leon_greth_driver_attach(
 extern void Clock_delay(uint32_t microseconds);
 
 #define delay( microseconds ) Clock_delay(microseconds)
+extern int   CPU_SPARC_HAS_SNOOPING;
+
 
 /* Constants */
 
diff --git a/c/src/lib/libbsp/sparc/leon3/startup/bspstart.c b/c/src/lib/libbsp/sparc/leon3/startup/bspstart.c
index e863250614..baf1b1cbef 100644
--- a/c/src/lib/libbsp/sparc/leon3/startup/bspstart.c
+++ b/c/src/lib/libbsp/sparc/leon3/startup/bspstart.c
@@ -42,10 +42,35 @@ rtems_cpu_table Cpu_table;
 
 extern uint32_t rdb_start;
 
+/*
+ * Tells us if data cache snooping is available
+ */ 
+
+int CPU_SPARC_HAS_SNOOPING;
+
 void bsp_postdriver_hook(void);
 void bsp_libc_init( void *, uint32_t, int );
 extern void bsp_spurious_initialize();
 
+/*
+ * 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) 
+{
+        int tmp;        
+        asm(" lda [%1] 2, %0 "
+            : "=r"(tmp)
+            : "r"(0xC)
+        );
+        return (tmp >> 27) & 1;
+}
+
 /*
  *  bsp_pretasking_hook
  *
@@ -112,4 +137,6 @@ void bsp_start( void )
   }
 
   BSP_Configuration.work_space_start = work_space_start;
+  
+  CPU_SPARC_HAS_SNOOPING = set_snooping();
 }