new file mode 100644
--- /dev/null
+++ b/packages/hal/mips/ref4955/current/src/plf_misc.c
@@ -0,0 +1,114 @@
+//==========================================================================
+//
+//      plf_misc.c
+//
+//      HAL platform miscellaneous functions
+//
+//==========================================================================
+//####COPYRIGHTBEGIN####
+//                                                                          
+// -------------------------------------------                              
+// The contents of this file are subject to the Red Hat eCos Public License 
+// Version 1.1 (the "License"); you may not use this file except in         
+// compliance with the License.  You may obtain a copy of the License at    
+// http://www.redhat.com/                                                   
+//                                                                          
+// Software distributed under the License is distributed on an "AS IS"      
+// basis, WITHOUT WARRANTY OF ANY KIND, either express or implied.  See the 
+// License for the specific language governing rights and limitations under 
+// the License.                                                             
+//                                                                          
+// The Original Code is eCos - Embedded Configurable Operating System,      
+// released September 30, 1998.                                             
+//                                                                          
+// The Initial Developer of the Original Code is Red Hat.                   
+// Portions created by Red Hat are                                          
+// Copyright (C) 1998, 1999, 2000 Red Hat, Inc.                             
+// All Rights Reserved.                                                     
+// -------------------------------------------                              
+//                                                                          
+//####COPYRIGHTEND####
+//==========================================================================
+//#####DESCRIPTIONBEGIN####
+//
+// Author(s):    nickg
+// Contributors: nickg, jlarmour, jskov
+// Date:         2000-05-15
+// Purpose:      HAL miscellaneous functions
+// Description:  This file contains miscellaneous functions provided by the
+//               HAL.
+//
+//####DESCRIPTIONEND####
+//
+//==========================================================================
+
+#include <pkgconf/hal.h>
+
+#include <cyg/infra/cyg_type.h>         // Base types
+#include <cyg/infra/cyg_trac.h>         // tracing macros
+#include <cyg/infra/cyg_ass.h>          // assertion macros
+
+#include <cyg/hal/hal_arch.h>           // architectural definitions
+
+#include <cyg/hal/hal_intr.h>           // Interrupt handling
+
+#include <cyg/hal/hal_cache.h>          // Cache handling
+#include <cyg/hal/drv_api.h>            // CYG_ISR_HANDLED
+
+#include <cyg/hal/hal_if.h>             // Calling interface definitions
+#include <cyg/hal/hal_misc.h>           // Helper functions
+
+//--------------------------------------------------------------------------
+
+#define CYGARC_REG_SUPERIO_IREG     0xb4000398
+#define CYGARC_REG_SUPERIO_DREG     0xb4000399
+
+#define CYGARC_REG_SUPERIO_FER      0x00 // function enable
+#define CYGARC_REG_SUPERIO_FAR      0x01 // function address
+#define CYGARC_REG_SUPERIO_PTR      0x02 // power and test
+#define CYGARC_REG_SUPERIO_CLK      0x51 // clock controller
+
+
+#define CYGARC_REG_SUPERIO_FER_PAR  0x01
+#define CYGARC_REG_SUPERIO_FER_SCC1 0x02
+#define CYGARC_REG_SUPERIO_FER_SCC2 0x04
+
+#define CYGARC_REG_SUPERIO_CLK_14M  0x00 // 14MHz source
+#define CYGARC_REG_SUPERIO_CLK_CME  0x04 // clock multiplier enabled
+
+#define CYGARC_REG_SUPERIO_PTR_PPEXT 0x80 // extended
+
+
+
+
+static void write_super_io(cyg_uint8 offset, cyg_uint8 data)
+{
+    HAL_WRITE_UINT8(CYGARC_REG_SUPERIO_IREG, offset);
+    HAL_WRITE_UINT8(CYGARC_REG_SUPERIO_DREG, data);
+    HAL_WRITE_UINT8(CYGARC_REG_SUPERIO_DREG, data);
+}
+
+void hal_platform_init(void)
+{
+    hal_if_init();
+
+    // Configure the SuperIO chip
+    write_super_io(CYGARC_REG_SUPERIO_FER, 
+                   CYGARC_REG_SUPERIO_FER_SCC1|CYGARC_REG_SUPERIO_FER_SCC2);
+    write_super_io(CYGARC_REG_SUPERIO_FAR, 0x10);
+    write_super_io(CYGARC_REG_SUPERIO_CLK, 
+                   CYGARC_REG_SUPERIO_CLK_14M|CYGARC_REG_SUPERIO_CLK_CME);
+
+    // Set up VSC320 interrupt controller. INT1 must merge INT2 and
+    // INT3 according to the platform specification.
+    HAL_WRITE_UINT32(CYGARC_REG_INT_CFG1,
+                     CYGARC_REG_INT_CFG_INT2|CYGARC_REG_INT_CFG_INT3);
+
+    // Unmask vectors which are entry points for interrupt controllers
+    HAL_INTERRUPT_UNMASK(CYGNUM_HAL_INTERRUPT_V320USC_INT0);
+    HAL_INTERRUPT_UNMASK(CYGNUM_HAL_INTERRUPT_V320USC_INT1);
+    HAL_INTERRUPT_UNMASK(CYGNUM_HAL_INTERRUPT_IO);
+}
+
+//--------------------------------------------------------------------------
+// End of plf_misc.c