* Update Intel IXP4xx support

- Add IXP4xx NPE ethernet MAC support
- Add support for Intel IXDPG425 board
- Add support for Prodrive PDNB3 board
- Add IRQ support
Patch by Stefan Roese, 23 May 2006

[This patch does not include cpu/ixp/npe/IxNpeMicrocode.c which still
 sufferes from licensing issues. Blame Intel.]

1 files changed, 120 insertions, 0 deletions

diff --git a/cpu/ixp/npe/IxEthDBUtil.c b/cpu/ixp/npe/IxEthDBUtil.c
new file mode 100644
index 0000000..e708bf1
--- /dev/null
+++ b/cpu/ixp/npe/IxEthDBUtil.c
@@ -0,0 +1,120 @@
+/**
+ * @file ethUtil.c
+ *
+ * @brief Utility functions
+ * 
+ * @par
+ * IXP400 SW Release version 2.0
+ * 
+ * -- Copyright Notice --
+ * 
+ * @par
+ * Copyright 2001-2005, Intel Corporation.
+ * All rights reserved.
+ * 
+ * @par
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. Neither the name of the Intel Corporation nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ * 
+ * @par
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS ``AS IS''
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ * 
+ * @par
+ * -- End of Copyright Notice --
+ */
+
+
+#include "IxFeatureCtrl.h"
+#include "IxEthDB_p.h"
+
+IX_ETH_DB_PUBLIC
+IxEthDBStatus ixEthDBSingleEthNpeCheck(IxEthDBPortId portID)
+{
+    /* If not IXP42X A0 stepping, proceed to check for existence of coprocessors */ 
+    if ((IX_FEATURE_CTRL_SILICON_TYPE_A0 != 
+        (ixFeatureCtrlProductIdRead() & IX_FEATURE_CTRL_SILICON_STEPPING_MASK))
+        || (IX_FEATURE_CTRL_DEVICE_TYPE_IXP42X != ixFeatureCtrlDeviceRead ()))
+    {  
+        if ((portID == 0) && 
+            (ixFeatureCtrlComponentCheck(IX_FEATURECTRL_ETH0) ==
+             IX_FEATURE_CTRL_COMPONENT_DISABLED))
+        {
+	    return IX_ETH_DB_FAIL;
+        }
+
+        if ((portID == 1) &&
+            (ixFeatureCtrlComponentCheck(IX_FEATURECTRL_ETH1) ==
+             IX_FEATURE_CTRL_COMPONENT_DISABLED))
+        {
+	    return IX_ETH_DB_FAIL;	    
+        }
+
+        if ((portID == 2) &&
+            (ixFeatureCtrlComponentCheck(IX_FEATURECTRL_NPEA_ETH) ==
+             IX_FEATURE_CTRL_COMPONENT_DISABLED))
+        {
+	    return IX_ETH_DB_FAIL;	    
+        }
+    }
+    
+    return IX_ETH_DB_SUCCESS;
+}
+
+IX_ETH_DB_PUBLIC
+BOOL ixEthDBCheckSingleBitValue(UINT32 value)
+{
+#if (CPU != SIMSPARCSOLARIS) && !defined (__wince)
+    UINT32 shift;
+    
+    /* use the count-leading-zeros XScale instruction */
+    __asm__ ("clz %0, %1\n" : "=r" (shift) : "r" (value));
+    
+    return ((value << shift) == 0x80000000UL);
+    
+#else
+	
+    while (value != 0)
+    {
+        if (value == 1) return TRUE;
+        else if ((value & 1) == 1) return FALSE;
+
+        value >>= 1;
+    }
+    
+    return FALSE;
+
+#endif
+}
+
+const char *mac2string(const unsigned char *mac)
+{
+  static char str[19];
+  
+  if (mac == NULL)
+  {
+    return NULL;
+  }  
+
+  sprintf(str, "%02X:%02X:%02X:%02X:%02X:%02X", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
+
+  return str;
+}