New port from Ralf Corsepius <corsepiu@faw.uni-ulm.de>.

20 files changed, 1546 insertions, 0 deletions

diff --git a/c/src/lib/libcpu/sh/Makefile.in b/c/src/lib/libcpu/sh/Makefile.in
new file mode 100644
index 0000000000..dfb438cc3b
--- /dev/null
+++ b/c/src/lib/libcpu/sh/Makefile.in
@@ -0,0 +1,14 @@
+#	
+#  $Id$
+#
+
+@SET_MAKE@
+srcdir = @srcdir@
+VPATH=@srcdir@
+RTEMS_ROOT = @top_srcdir@
+PROJECT_ROOT = @PROJECT_ROOT@
+
+include $(RTEMS_ROOT)/make/custom/$(RTEMS_BSP).cfg
+include $(RTEMS_ROOT)/make/directory.cfg
+
+SUB_DIRS=$(wildcard $(RTEMS_CPU_MODEL))
diff --git a/c/src/lib/libcpu/sh/sh7032/Makefile.in b/c/src/lib/libcpu/sh/sh7032/Makefile.in
new file mode 100644
index 0000000000..9118ca3fca
--- /dev/null
+++ b/c/src/lib/libcpu/sh/sh7032/Makefile.in
@@ -0,0 +1,14 @@
+#
+# $Id$
+#
+
+@SET_MAKE@
+srcdir = @srcdir@
+VPATH=@srcdir@
+RTEMS_ROOT = @top_srcdir@
+PROJECT_ROOT = @PROJECT_ROOT@
+
+include $(RTEMS_ROOT)/make/custom/$(RTEMS_BSP).cfg
+include $(RTEMS_ROOT)/make/directory.cfg
+
+SUB_DIRS=include clock console timer null
diff --git a/c/src/lib/libcpu/sh/sh7032/clock/Makefile.in b/c/src/lib/libcpu/sh/sh7032/clock/Makefile.in
new file mode 100644
index 0000000000..d7946d5a8f
--- /dev/null
+++ b/c/src/lib/libcpu/sh/sh7032/clock/Makefile.in
@@ -0,0 +1,60 @@
+#
+# $Id$
+#
+
+@SET_MAKE@
+srcdir = @srcdir@
+VPATH=@srcdir@
+RTEMS_ROOT = @top_srcdir@
+PROJECT_ROOT = @PROJECT_ROOT@
+
+PGM=${ARCH}/clock.rel
+
+# C source names, if any, go here -- minus the .c
+C_PIECES=ckinit
+C_FILES=$(C_PIECES:%=%.c)
+C_O_FILES=$(C_PIECES:%=${ARCH}/%.o)
+
+H_FILES=
+
+# Assembly source names, if any, go here -- minus the .s
+S_PIECES=
+S_FILES=$(S_PIECES:%=%.s)
+S_O_FILES=$(S_FILES:%.s=${ARCH}/%.o)
+
+SRCS=$(C_FILES) $(H_FILES) $(S_FILES)
+OBJS=$(C_O_FILES) $(S_O_FILES)
+
+include $(RTEMS_ROOT)/make/custom/$(RTEMS_BSP).cfg
+include $(RTEMS_ROOT)/make/leaf.cfg
+
+#
+# (OPTIONAL) Add local stuff here using +=
+#
+
+DEFINES  +=
+CPPFLAGS += 
+CFLAGS   += $(CFLAGS_OS_V)
+
+LD_PATHS  += 
+LD_LIBS   += 
+LDFLAGS   += 
+
+#
+# Add your list of files to delete here.  The config files
+#  already know how to delete some stuff, so you may want
+#  to just run 'make clean' first to see what gets missed.
+#  'make clobber' already includes 'make clean'
+#
+
+CLEAN_ADDITIONS +=
+CLOBBER_ADDITIONS +=
+
+${PGM}: ${SRCS} ${OBJS}
+	${make-rel}
+
+all:	${ARCH} $(SRCS) $(PGM)
+
+# the .rel file built here will be put into libbsp.a by
+#    libbsp/sh/BSP/wrapup/Makefile
+install:  all
diff --git a/c/src/lib/libcpu/sh/sh7032/clock/ckinit.c b/c/src/lib/libcpu/sh/sh7032/clock/ckinit.c
new file mode 100644
index 0000000000..868d0cbf4b
--- /dev/null
+++ b/c/src/lib/libcpu/sh/sh7032/clock/ckinit.c
@@ -0,0 +1,289 @@
+/*
+ *  This file contains the clock driver the Hitachi SH 703X
+ *
+ *  Authors: Ralf Corsepius (corsepiu@faw.uni-ulm.de) and
+ *           Bernd Becker (becker@faw.uni-ulm.de)
+ *
+ *  COPYRIGHT (c) 1997-1998, FAW Ulm, Germany
+ *
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+ * 
+ *
+ *  COPYRIGHT (c) 1998.
+ *  On-Line Applications Research Corporation (OAR).
+ *  Copyright assigned to U.S. Government, 1994.
+ *
+ *  The license and distribution terms for this file may be
+ *  found in the file LICENSE in this distribution or at
+ *  http://www.OARcorp.com/rtems/license.html.
+ *
+ *  $Id$
+ */
+
+#include <bsp.h>
+
+#include <stdlib.h>
+
+#include <rtems/libio.h>
+#include <rtems/score/sh_io.h>
+#include <rtems/score/sh.h>
+#include <rtems/score/cpu_isps.h>
+#include <rtems/score/iosh7030.h>
+
+#define _ITU_COUNTER0_MICROSECOND (MHZ/4)
+
+#ifndef CLOCKPRIO
+#define CLOCKPRIO 10
+#endif
+
+#define ITU0_STARTMASK 	0xfe
+#define ITU0_SYNCMASK 	0xfe
+#define ITU0_MODEMASK 	0xfe
+#define ITU0_TCRMASK 	0x22
+#define ITU_STAT_MASK 	0xf8
+#define ITU0_IRQMASK 	0xfe
+#define ITU0_TIERMASK 	0x01
+#define IPRC_ITU0_MASK 	0xff0f
+#define ITU0_TIORVAL 	0x08
+
+/*
+ *  The interrupt vector number associated with the clock tick device
+ *  driver.
+ */
+
+#define CLOCK_VECTOR IMIA0_ISP_V
+
+/*
+ *  Clock_driver_ticks is a monotonically increasing counter of the
+ *  number of clock ticks since the driver was initialized.
+ */
+
+volatile rtems_unsigned32 Clock_driver_ticks;
+
+static void Clock_exit( void );
+static rtems_isr Clock_isr( rtems_vector_number vector );
+
+/*
+ *  Clock_isrs is the number of clock ISRs until the next invocation of
+ *  the RTEMS clock tick routine.  The clock tick device driver
+ *  gets an interrupt once a millisecond and counts down until the
+ *  length of time between the user configured microseconds per tick
+ *  has passed.
+ */
+
+rtems_unsigned32 Clock_isrs;              /* ISRs until next tick */
+static rtems_unsigned32 Clock_isrs_const;        /* only calculated once */
+
+/*
+ * These are set by clock driver during its init
+ */
+ 
+rtems_device_major_number rtems_clock_major = ~0;
+rtems_device_minor_number rtems_clock_minor;
+
+/*
+ *  The previous ISR on this clock tick interrupt vector.
+ */
+
+rtems_isr_entry  Old_ticker;
+
+/*
+ *  Isr Handler
+ */
+
+rtems_isr Clock_isr(
+  rtems_vector_number vector
+)
+{
+  /*
+   * bump the number of clock driver ticks since initialization
+   *
+
+   * determine if it is time to announce the passing of tick as configured
+   * to RTEMS through the rtems_clock_tick directive
+   *
+   * perform any timer dependent tasks
+   */
+  unsigned8 temp;
+
+  /* reset the flags of the status register */
+  temp = read8( ITU_TSR0) & ITU_STAT_MASK;
+  write8( temp, ITU_TSR0);
+
+  Clock_driver_ticks++ ;
+
+  if( Clock_isrs == 1)
+    {
+      rtems_clock_tick();
+      Clock_isrs = Clock_isrs_const;
+    }
+  else
+    {
+      Clock_isrs-- ;
+    }
+}
+
+/*
+ *  Install_clock
+ *
+ *  Install a clock tick handler and reprograms the chip.  This
+ *  is used to initially establish the clock tick.
+ */
+
+void Install_clock(
+  rtems_isr_entry clock_isr
+)
+{
+  unsigned8 temp8 = 0;
+  
+  /*
+   *  Initialize the clock tick device driver variables
+   */
+
+  Clock_driver_ticks = 0;
+  Clock_isrs_const = BSP_Configuration.microseconds_per_tick / 10000;
+  Clock_isrs = Clock_isrs_const;
+
+  /*
+   *  If ticks_per_timeslice is configured as non-zero, then the user
+   *  wants a clock tick.
+   */
+
+  if ( BSP_Configuration.ticks_per_timeslice ) {
+    Old_ticker = (rtems_isr_entry) set_vector( Clock_isr, CLOCK_VECTOR, 1 );
+    /*
+     *  Hardware specific initialize goes here
+     */
+    
+    /* stop Timer 0 */
+    temp8 = read8( ITU_TSTR) & ITU0_STARTMASK;
+    write8( temp8, ITU_TSTR);
+
+    /* set initial counter value to 0 */
+    write16( 0, ITU_TCNT0);
+
+    /* Timer 0 runs independent */
+    temp8 = read8( ITU_TSNC) & ITU0_SYNCMASK;
+    write8( temp8, ITU_TSNC);
+
+    /* Timer 0 normal mode */
+    temp8 = read8( ITU_TMDR) & ITU0_MODEMASK;
+    write8( temp8, ITU_TMDR);
+
+    /* TCNT is cleared by GRA ; internal clock /4 */
+    write8( ITU0_TCRMASK , ITU_TCR0);
+
+    /* use GRA without I/O - pins  */
+    write8( ITU0_TIORVAL, ITU_TIOR0); 
+    
+    /* reset flags of the status register */
+    temp8 = read8( ITU_TSR0) & ITU_STAT_MASK;
+    write8( temp8, ITU_TSR0);
+
+    /* Irq if is equal GRA */
+    temp8 = read8( ITU_TIER0) | ITU0_TIERMASK;
+    write8( temp8, ITU_TIER0);
+
+    /* set interrupt priority */
+    if( sh_set_irq_priority( CLOCK_VECTOR, CLOCKPRIO ) != RTEMS_SUCCESSFUL)
+      rtems_fatal_error_occurred( RTEMS_NOT_CONFIGURED);
+
+    /* set counter limits */
+    write16( _ITU_COUNTER0_MICROSECOND * BSP_Configuration.microseconds_per_tick,
+	     ITU_GRA0);
+   
+    /* start counter */
+    temp8 = read8( ITU_TSTR) |~ITU0_STARTMASK;
+    write8( temp8, ITU_TSTR);
+    
+  }
+
+  /*
+   *  Schedule the clock cleanup routine to execute if the application exits.
+   */
+
+  atexit( Clock_exit );
+}
+
+/*
+ *  Clean up before the application exits
+ */
+
+void Clock_exit( void )
+{
+  unsigned8 temp8 = 0;
+  if ( BSP_Configuration.ticks_per_timeslice ) {
+
+    /* turn off the timer interrupts */
+    /* set interrupt priority to 0 */
+    if( sh_set_irq_priority( CLOCK_VECTOR, 0 ) != RTEMS_SUCCESSFUL)
+      rtems_fatal_error_occurred( RTEMS_UNSATISFIED);
+
+/*
+ *   temp16 = read16( ITU_TIER0) & IPRC_ITU0_IRQMASK;
+ *   write16( temp16, ITU_TIER0);
+ */
+
+    /* stop counter */
+    temp8 = read8( ITU_TSTR) & ITU0_STARTMASK;
+    write8( temp8, ITU_TSTR);
+
+    /* old vector shall not be installed */
+  }
+}
+
+/*
+ *  Clock_initialize
+ *
+ *  Device driver entry point for clock tick driver initialization.
+ */
+
+rtems_device_driver Clock_initialize(
+  rtems_device_major_number major,
+  rtems_device_minor_number minor,
+  void *pargp
+)
+{
+  Install_clock( Clock_isr );
+ 
+  /*
+   * make major/minor avail to others such as shared memory driver
+   */
+ 
+  rtems_clock_major = major;
+  rtems_clock_minor = minor;
+ 
+  return RTEMS_SUCCESSFUL;
+}
+
+rtems_device_driver Clock_control(
+  rtems_device_major_number major,
+  rtems_device_minor_number minor,
+  void *pargp
+)
+{
+  rtems_unsigned32 isrlevel;
+  rtems_libio_ioctl_args_t *args = pargp;
+  
+  if (args != 0)
+    {
+      /*
+       * This is hokey, but until we get a defined interface
+       * to do this, it will just be this simple...
+       */
+      
+      if (args->command == rtems_build_name('I', 'S', 'R', ' '))
+	{
+	  Clock_isr(CLOCK_VECTOR);
+	}
+      else if (args->command == rtems_build_name('N', 'E', 'W', ' '))
+	{
+	  rtems_interrupt_disable( isrlevel );
+	  (void) set_vector( args->buffer, CLOCK_VECTOR, 1 );
+	  rtems_interrupt_enable( isrlevel );
+	}
+    }
+  return RTEMS_SUCCESSFUL;
+}
diff --git a/c/src/lib/libcpu/sh/sh7032/console/Makefile.in b/c/src/lib/libcpu/sh/sh7032/console/Makefile.in
new file mode 100644
index 0000000000..4a57271abb
--- /dev/null
+++ b/c/src/lib/libcpu/sh/sh7032/console/Makefile.in
@@ -0,0 +1,60 @@
+#
+#  $Id$
+#
+
+@SET_MAKE@
+srcdir = @srcdir@
+VPATH=@srcdir@
+RTEMS_ROOT = @top_srcdir@
+PROJECT_ROOT = @PROJECT_ROOT@
+
+PGM=${ARCH}/console.rel
+
+# C source names, if any, go here -- minus the .c
+C_PIECES=console
+C_FILES=$(C_PIECES:%=%.c)
+C_O_FILES=$(C_PIECES:%=${ARCH}/%.o)
+
+H_FILES=
+
+# Assembly source names, if any, go here -- minus the .s
+S_PIECES=
+S_FILES=$(S_PIECES:%=%.s)
+S_O_FILES=$(S_FILES:%.s=${ARCH}/%.o)
+
+SRCS=$(C_FILES) $(H_FILES) $(S_FILES)
+OBJS=$(C_O_FILES) $(S_O_FILES)
+
+include $(RTEMS_ROOT)/make/custom/$(RTEMS_BSP).cfg
+include $(RTEMS_ROOT)/make/leaf.cfg
+
+#
+# (OPTIONAL) Add local stuff here using +=
+#
+
+DEFINES  +=
+CPPFLAGS +=
+CFLAGS   +=
+
+LD_PATHS  +=
+LD_LIBS   +=
+LDFLAGS   +=
+
+#
+# Add your list of files to delete here.  The config files
+#  already know how to delete some stuff, so you may want
+#  to just run 'make clean' first to see what gets missed.
+#  'make clobber' already includes 'make clean'
+#
+
+CLEAN_ADDITIONS +=
+CLOBBER_ADDITIONS +=
+
+${PGM}: ${SRCS} ${OBJS}
+	$(make-rel)
+
+all:	${ARCH} $(SRCS) $(PGM)
+
+# the .rel file built here will be put into libbsp.a by 
+# 	libbsp/sh/BSP/wrapup/Makefile
+install:  all
diff --git a/c/src/lib/libcpu/sh/sh7032/console/console.c b/c/src/lib/libcpu/sh/sh7032/console/console.c
new file mode 100644
index 0000000000..db308cbb55
--- /dev/null
+++ b/c/src/lib/libcpu/sh/sh7032/console/console.c
@@ -0,0 +1,152 @@
+/*
+ * /dev/console for Hitachi SH 703X
+ *
+ * The SH doesn't have a designated console device. Therefore we "alias" 
+ * another device as /dev/console and revector all calls to /dev/console 
+ * to this device.
+ *
+ * This approach is similar to installing a sym-link from one device to 
+ * another device. If rtems once will support sym-links for devices files, 
+ * this implementation could be dropped.
+ *
+ *  Author: Ralf Corsepius (corsepiu@faw.uni-ulm.de)
+ *
+ *  COPYRIGHT (c) 1997-1998, FAW Ulm, Germany
+ *
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+ * 
+ *
+ *  COPYRIGHT (c) 1998.
+ *  On-Line Applications Research Corporation (OAR).
+ *  Copyright assigned to U.S. Government, 1994.
+ *
+ *  The license and distribution terms for this file may be
+ *  found in the file LICENSE in this distribution or at
+ *  http://www.OARcorp.com/rtems/license.html.
+ *
+ *  $Id$
+ */
+
+#include <bsp.h>
+#include <rtems/libio.h>
+#include <iosupp.h>
+
+#ifndef CPU_CONSOLE_DEVNAME
+#error Missing CPU_CONSOLE_DEVNAME
+#endif
+
+static rtems_driver_name_t *low_level_device_info = NULL ;
+
+/*  console_initialize
+ *
+ *  This routine initializes the console IO driver.
+ *
+ *  Input parameters: NONE
+ *
+ *  Output parameters:  NONE
+ *
+ *  Return values:
+ */
+
+rtems_device_driver console_initialize(
+  rtems_device_major_number  major,
+  rtems_device_minor_number  minor,
+  void                      *arg
+)
+{
+  rtems_device_driver status ;
+  
+  status = rtems_io_register_name(
+    "/dev/console",
+    major,
+    (rtems_device_minor_number) 0
+  );
+
+  if (status != RTEMS_SUCCESSFUL)
+    rtems_fatal_error_occurred(status);
+
+  status = rtems_io_lookup_name( CPU_CONSOLE_DEVNAME, 
+    &low_level_device_info );
+  if (status != RTEMS_SUCCESSFUL)
+    rtems_fatal_error_occurred(status);
+
+  return RTEMS_SUCCESSFUL;
+}
+
+
+/*
+ *  Open entry point
+ */
+
+rtems_device_driver console_open(
+  rtems_device_major_number major,
+  rtems_device_minor_number minor,
+  void                    * arg
+)
+{
+  return rtems_io_open( low_level_device_info->major,
+    low_level_device_info->minor,
+    arg );
+}
+ 
+/*
+ *  Close entry point
+ */
+
+rtems_device_driver console_close(
+  rtems_device_major_number major,
+  rtems_device_minor_number minor,
+  void                    * arg
+)
+{
+  return rtems_io_close( low_level_device_info->major,
+    low_level_device_info->minor,
+    arg );
+}
+
+/*
+ * read bytes from the serial port. We only have stdin.
+ */
+
+rtems_device_driver console_read(
+  rtems_device_major_number major,
+  rtems_device_minor_number minor,
+  void                    * arg
+)
+{
+  return rtems_io_read( low_level_device_info->major,
+    low_level_device_info->minor,
+    arg );
+}
+
+/*
+ * write bytes to the serial port. Stdout and stderr are the same. 
+ */
+
+rtems_device_driver console_write(
+  rtems_device_major_number major,
+  rtems_device_minor_number minor,
+  void                    * arg
+)
+{
+  return rtems_io_write( low_level_device_info->major,
+    low_level_device_info->minor,
+    arg );
+}
+
+/*
+ *  IO Control entry point
+ */
+
+rtems_device_driver console_control(
+  rtems_device_major_number major,
+  rtems_device_minor_number minor,
+  void                    * arg
+)
+{
+  return rtems_io_control( low_level_device_info->major,
+    low_level_device_info->minor,
+    arg );
+}
diff --git a/c/src/lib/libcpu/sh/sh7032/include/Makefile.in b/c/src/lib/libcpu/sh/sh7032/include/Makefile.in
new file mode 100644
index 0000000000..80e073e691
--- /dev/null
+++ b/c/src/lib/libcpu/sh/sh7032/include/Makefile.in
@@ -0,0 +1,36 @@
+#
+# $Id$
+#
+
+@SET_MAKE@
+srcdir = @srcdir@
+VPATH=@srcdir@
+RTEMS_ROOT = @top_srcdir@
+PROJECT_ROOT = @PROJECT_ROOT@
+
+H_FILES = \
+	$(srcdir)/null.h \
+	$(srcdir)/sh7_pfc.h \
+	$(srcdir)/sh7_sci.h \
+	$(srcdir)/termbits.h \
+	$(srcdir)/ioqueue.h
+
+SRCS=$(H_FILES)
+
+include $(RTEMS_ROOT)/make/custom/$(RTEMS_BSP).cfg
+include $(RTEMS_ROOT)/make/leaf.cfg
+
+CLEAN_ADDITIONS +=
+CLOBBER_ADDITIONS +=
+
+all:	install
+
+# NOTE: Unlike other CPUS, we install into a subdirectory to avoid 
+#       file name conflicts
+
+install:
+	test -d $(PROJECT_INCLUDE)/sh || $(MKDIR) $(PROJECT_INCLUDE)/sh 
+	$(INSTALL) -m 444 $(H_FILES) $(PROJECT_INCLUDE)/sh
+
+all: FORCEIT
+	cd ../../../../libbsp/$(RTEMS_CPU)/$(RTEMS_BSP)/include; $(MAKE) all
diff --git a/c/src/lib/libcpu/sh/sh7032/include/ioqueue.h b/c/src/lib/libcpu/sh/sh7032/include/ioqueue.h
new file mode 100644
index 0000000000..55020acfad
--- /dev/null
+++ b/c/src/lib/libcpu/sh/sh7032/include/ioqueue.h
@@ -0,0 +1,77 @@
+/*
+ * Defines for low level queue management
+ *
+ *  Author: Ralf Corsepius (corsepiu@faw.uni-ulm.de)
+ *
+ *  COPYRIGHT (c) 1997-1998, Ralf Corsepius, Germany
+ *
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+ * 
+ *
+ *  COPYRIGHT (c) 1998.
+ *  On-Line Applications Research Corporation (OAR).
+ *  Copyright assigned to U.S. Government, 1994.
+ *
+ *  The license and distribution terms for this file may be
+ *  found in the file LICENSE in this distribution or at
+ *  http://www.OARcorp.com/rtems/license.html.
+ *
+ * $Id$
+ * 
+ */
+
+#ifndef _io_queue_h
+#define _io_queue_h
+
+#include <stdlib.h>	/* size_t */
+
+/*
+ * NOTE: size needs to be a power of 2
+ */
+#define IO_QUEUE(type,size,name) 			\
+typedef struct {					\
+  volatile type			queue[size] ;		\
+  volatile unsigned short	tail ;			\
+  volatile unsigned short	head ;			\
+} name ;
+
+#define IO_QUEUE_FULL(queue, size) \
+  ((queue)->tail == (((queue)->head+1) & ((size)-1)))
+
+#define IO_QUEUE_EMPTY(queue) \
+  (((queue)->tail) == ((queue)->head))
+
+#define IO_QUEUE_INIT(queue) \
+  (queue)->tail = (queue)->head = 0
+
+#define IO_QUEUE_ADD(queue,size) \
+  (queue)->head = (((queue)->head + 1) & ((size)-1))
+  
+#define IO_QUEUE_SUB(queue,size) \
+  (queue)->tail = (((queue)->tail + 1) & ((size)-1))
+
+#define IO_QUEUE_PUT(_queue,item) \
+{ \
+    size_t i; \
+    unsigned char* dest = (unsigned char*) ((_queue)->queue[(_queue)->head]); \
+    unsigned char* src  = (unsigned char*) (item); \
+    for( i = 0; i < sizeof(item); i++) \
+    { \
+	dest[i] = src[i]; \
+    } \
+}
+
+#define IO_QUEUE_GET(_queue,item) \
+{\
+   size_t i; \
+   unsigned char *src = (unsigned char*) (_queue)->queue[(_queue)->tail]; \
+   unsigned char *dest = (unsigned char*) (item); \
+   for( i=0; i< sizeof(item); i++)\
+   {\
+      dest[i] = src[i]; \
+   }\
+}
+
+#endif
diff --git a/c/src/lib/libcpu/sh/sh7032/include/null.h b/c/src/lib/libcpu/sh/sh7032/include/null.h
new file mode 100644
index 0000000000..9ce4886c14
--- /dev/null
+++ b/c/src/lib/libcpu/sh/sh7032/include/null.h
@@ -0,0 +1,72 @@
+/*  null.h
+ *
+ *  Null device driver, derived from rtems' stub driver.
+ *
+ *  Author: Ralf Corsepius (corsepiu@faw.uni-ulm.de)
+ *
+ *  COPYRIGHT (c) 1989-1998.
+ *  On-Line Applications Research Corporation (OAR).
+ *  Copyright assigned to U.S. Government, 1994.
+ *
+ *  The license and distribution terms for this file may be
+ *  found in the file LICENSE in this distribution or at
+ *  http://www.OARcorp.com/rtems/license.html.
+ *
+ *  $Id$
+ */
+
+#ifndef __NULL_DRIVER_h
+#define __NULL_DRIVER_h
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#define DEVNULL_DRIVER_TABLE_ENTRY \
+  { null_initialize, null_open, null_close, null_read, \
+    null_write, null_control }
+
+#define NULL_SUCCESSFUL RTEMS_SUCCESSFUL
+
+rtems_device_driver null_initialize(
+  rtems_device_major_number,
+  rtems_device_minor_number,
+  void *
+);
+
+rtems_device_driver null_open(
+  rtems_device_major_number,
+  rtems_device_minor_number,
+  void *
+);
+
+rtems_device_driver null_close(
+  rtems_device_major_number,
+  rtems_device_minor_number,
+  void *
+);
+
+rtems_device_driver null_read(
+  rtems_device_major_number,
+  rtems_device_minor_number,
+  void *
+);
+
+rtems_device_driver null_write(
+  rtems_device_major_number,
+  rtems_device_minor_number,
+  void *
+);
+
+rtems_device_driver null_control(
+  rtems_device_major_number,
+  rtems_device_minor_number,
+  void *
+);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif
+/* end of include file */
diff --git a/c/src/lib/libcpu/sh/sh7032/include/sh7_pfc.h b/c/src/lib/libcpu/sh/sh7032/include/sh7_pfc.h
new file mode 100644
index 0000000000..ba6580c5fd
--- /dev/null
+++ b/c/src/lib/libcpu/sh/sh7032/include/sh7_pfc.h
@@ -0,0 +1,118 @@
+/*
+ * Bit values for the pin function controller of the Hitachi SH703X
+ *
+ * From Hitachi tutorials
+ *
+ *  Authors: Ralf Corsepius (corsepiu@faw.uni-ulm.de) and
+ *           Bernd Becker (becker@faw.uni-ulm.de)
+ *
+ *  COPYRIGHT (c) 1997-1998, FAW Ulm, Germany
+ *
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+ *
+ *
+ *  COPYRIGHT (c) 1998.
+ *  On-Line Applications Research Corporation (OAR).
+ *  Copyright assigned to U.S. Government, 1994.
+ *
+ *  The license and distribution terms for this file may be
+ *  found in the file LICENSE in this distribution or at
+ *  http://www.OARcorp.com/rtems/license.html.
+ *
+ *  $Id$
+ */
+
+#ifndef _sh7_pfc_h
+#define _sh7_pfc_h
+
+#include <rtems/score/iosh7030.h>
+
+/*
+ * Port B IO Register (PBIOR)
+ */
+#define PBIOR           PFC_PBIOR
+#define PB15IOR         0x8000
+#define PB14IOR         0x4000
+#define PB13IOR         0x2000
+#define PB12IOR         0x1000
+#define PB11IOR         0x0800
+#define PB10IOR         0x0400
+#define PB9IOR          0x0200
+#define PB8IOR          0x0100
+#define PB7IOR          0x0080
+#define PB6IOR          0x0040
+#define PB5IOR          0x0020
+#define PB4IOR          0x0010
+#define PB3IOR          0x0008
+#define PB2IOR          0x0004
+#define PB1IOR          0x0002
+#define PB0IOR          0x0001
+
+/*
+ * Port B Control Register (PBCR1)
+ */
+#define PBCR1           PFC_PBCR1
+#define PB15MD1         0x8000
+#define PB15MD0         0x4000
+#define PB14MD1         0x2000
+#define PB14MD0         0x1000
+#define PB13MD1         0x0800
+#define PB13MD0         0x0400
+#define PB12MD1         0x0200
+#define PB12MD0         0x0100
+#define PB11MD1         0x0080
+#define PB11MD0         0x0040
+#define PB10MD1         0x0020
+#define PB10MD0         0x0010
+#define PB9MD1          0x0008
+#define PB9MD0          0x0004
+#define PB8MD1          0x0002
+#define PB8MD0          0x0001
+
+#define PB15MD          PB15MD1|PB14MD0
+#define PB14MD          PB14MD1|PB14MD0
+#define PB13MD          PB13MD1|PB13MD0
+#define PB12MD          PB12MD1|PB12MD0
+#define PB11MD          PB11MD1|PB11MD0
+#define PB10MD          PB10MD1|PB10MD0
+#define PB9MD           PB9MD1|PB9MD0
+#define PB8MD           PB8MD1|PB8MD0
+
+#define PB_TXD1         PB11MD1
+#define PB_RXD1         PB10MD1
+#define PB_TXD0         PB9MD1
+#define PB_RXD0         PB8MD1
+
+/*
+ * Port B Control Register (PBCR2)
+ */
+#define PBCR2   PFC_PBCR2
+#define PB7MD1  0x8000
+#define PB7MD0  0x4000
+#define PB6MD1  0x2000
+#define PB6MD0  0x1000
+#define PB5MD1  0x0800
+#define PB5MD0  0x0400
+#define PB4MD1  0x0200
+#define PB4MD0  0x0100
+#define PB3MD1  0x0080
+#define PB3MD0  0x0040
+#define PB2MD1  0x0020
+#define PB2MD0  0x0010
+#define PB1MD1  0x0008
+#define PB1MD0  0x0004
+#define PB0MD1  0x0002
+#define PB0MD0  0x0001
+	
+#define PB7MD   PB7MD1|PB7MD0
+#define PB6MD   PB6MD1|PB6MD0
+#define PB5MD   PB5MD1|PB5MD0
+#define PB4MD   PB4MD1|PB4MD0
+#define PB3MD   PB3MD1|PB3MD0
+#define PB2MD   PB2MD1|PB2MD0
+#define PB1MD   PB1MD1|PB1MD0
+#define PB0MD   PB0MD1|PB0MD0
+
+#endif /* _sh7_pfc_h */
diff --git a/c/src/lib/libcpu/sh/sh7032/include/sh7_sci.h b/c/src/lib/libcpu/sh/sh7032/include/sh7_sci.h
new file mode 100644
index 0000000000..cb2cc03893
--- /dev/null
+++ b/c/src/lib/libcpu/sh/sh7032/include/sh7_sci.h
@@ -0,0 +1,82 @@
+/*
+ * Bit values for the serial control registers of the Hitachi SH703X
+ *
+ * From Hitachi tutorials
+ *
+ *  Authors: Ralf Corsepius (corsepiu@faw.uni-ulm.de) and
+ *           Bernd Becker (becker@faw.uni-ulm.de)
+ *
+ *  COPYRIGHT (c) 1997-1998, FAW Ulm, Germany
+ *
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+ *
+ *
+ *  COPYRIGHT (c) 1998.
+ *  On-Line Applications Research Corporation (OAR).
+ *  Copyright assigned to U.S. Government, 1994.
+ *
+ *  The license and distribution terms for this file may be
+ *  found in the file LICENSE in this distribution or at
+ *  http://www.OARcorp.com/rtems/license.html.
+ *
+ *  $Id$
+ */
+
+#ifndef _sh7_sci_h
+#define _sh7_sci_h
+
+#include <rtems/score/iosh7030.h>
+
+/*
+ * Serial mode register bits
+ */
+
+#define SCI_SYNC_MODE               0x80
+#define SCI_SEVEN_BIT_DATA          0x40
+#define SCI_PARITY_ON               0x20
+#define SCI_ODD_PARITY              0x10
+#define SCI_STOP_BITS_2             0x08
+#define SCI_ENABLE_MULTIP           0x04
+#define SCI_PHI_64                  0x03
+#define SCI_PHI_16                  0x02
+#define SCI_PHI_4                   0x01
+#define SCI_PHI_0                   0x00
+
+/*
+ * Serial register offsets, relative to SCI0_SMR or SCI1_SMR
+ */
+
+#define SCI_SMR			0x00
+#define SCI_BRR			0x01
+#define SCI_SCR			0x02
+#define SCI_TDR			0x03
+#define SCI_SSR			0x04
+#define SCI_RDR			0x05
+
+/*
+ * Serial control register bits
+ */
+#define SCI_TIE                 0x80    /* Transmit interrupt enable */
+#define SCI_RIE                 0x40    /* Receive interrupt enable */
+#define SCI_TE                  0x20    /* Transmit enable */
+#define SCI_RE                  0x10    /* Receive enable */
+#define SCI_MPIE                0x08    /* Multiprocessor interrupt enable */
+#define SCI_TEIE                0x04    /* Transmit end interrupt enable */
+#define SCI_CKE1                0x02    /* Clock enable 1 */
+#define SCI_CKE0                0x01    /* Clock enable 0 */
+
+/*
+ * Serial status register bits
+ */
+#define SCI_TDRE                0x80    /* Transmit data register empty */
+#define SCI_RDRF                0x40    /* Receive data register full */
+#define SCI_ORER                0x20    /* Overrun error */
+#define SCI_FER                 0x10    /* Framing error */
+#define SCI_PER                 0x08    /* Parity error */
+#define SCI_TEND                0x04    /* Transmit end */
+#define SCI_MPB                 0x02    /* Multiprocessor bit */
+#define SCI_MPBT                0x01    /* Multiprocessor bit transfer */
+
+#endif /* _sh7_sci_h */
diff --git a/c/src/lib/libcpu/sh/sh7032/null/Makefile.in b/c/src/lib/libcpu/sh/sh7032/null/Makefile.in
new file mode 100644
index 0000000000..71127550a9
--- /dev/null
+++ b/c/src/lib/libcpu/sh/sh7032/null/Makefile.in
@@ -0,0 +1,59 @@
+#
+#  $Id$
+#
+
+@SET_MAKE@
+srcdir = @srcdir@
+VPATH = @srcdir@
+RTEMS_ROOT = @top_srcdir@
+PROJECT_ROOT = @PROJECT_ROOT@
+
+PGM=${ARCH}/null.rel
+
+# C source names, if any, go here -- minus the .c
+C_PIECES=open close read write init cntrl
+C_FILES=$(C_PIECES:%=%.c)
+C_O_FILES=$(C_PIECES:%=${ARCH}/%.o)
+
+H_FILES=
+
+# Assembly source names, if any, go here -- minus the .s
+S_PIECES=
+S_FILES=$(S_PIECES:%=%.s)
+S_O_FILES=$(S_FILES:%.s=${ARCH}/%.o)
+
+SRCS=$(DOCS) $(C_FILES) $(H_FILES)
+OBJS=$(C_O_FILES)
+
+include $(RTEMS_ROOT)/make/custom/$(RTEMS_BSP).cfg
+include $(RTEMS_ROOT)/make/leaf.cfg
+
+#
+# (OPTIONAL) Add local stuff here using +=
+#
+
+DEFINES  +=
+CPPFLAGS +=
+CFLAGS   +=
+
+LD_PATHS  +=
+LD_LIBS   +=
+LDFLAGS   +=
+
+#
+# Add your list of files to delete here.  The config files
+#  already know how to delete some stuff, so you may want
+#  to just run 'make clean' first to see what gets missed.
+#  'make clobber' already includes 'make clean'
+#
+
+CLEAN_ADDITIONS +=
+CLOBBER_ADDITIONS +=
+
+${PGM}: ${SRCS} ${OBJS}
+	$(make-rel)
+
+all:	${ARCH} $(SRCS) $(PGM)
+
+# the .rel file built here will be put into libbsp.a by ../wrapup/Makefile
+install:  all
diff --git a/c/src/lib/libcpu/sh/sh7032/null/close.c b/c/src/lib/libcpu/sh/sh7032/null/close.c
new file mode 100644
index 0000000000..cb5ac8cd65
--- /dev/null
+++ b/c/src/lib/libcpu/sh/sh7032/null/close.c
@@ -0,0 +1,38 @@
+/*  null_close
+ *
+ *  This routine is the null device driver close routine.
+ *
+ *  Derived from rtems' stub driver.
+ *
+ *  Author: Ralf Corsepius (corsepiu@faw.uni-ulm.de)
+ *
+ *  Input parameters:
+ *    major - device major number
+ *    minor - device minor number
+ *    pargb - pointer to close parameter block
+ *
+ *  Output parameters:
+ *    rval       - NULL_SUCCESSFUL
+ *
+ *  COPYRIGHT (c) 1989-1998.
+ *  On-Line Applications Research Corporation (OAR).
+ *  Copyright assigned to U.S. Government, 1994.
+ *
+ *  The license and distribution terms for this file may be
+ *  found in the file LICENSE in this distribution or at
+ *  http://www.OARcorp.com/rtems/license.html.
+ *
+ *  $Id$
+ */
+
+#include <rtems.h>
+#include <sh/null.h>
+
+rtems_device_driver null_close(
+  rtems_device_major_number major,
+  rtems_device_minor_number minor,
+  void *pargp
+)
+{
+  return NULL_SUCCESSFUL;
+}
diff --git a/c/src/lib/libcpu/sh/sh7032/null/cntrl.c b/c/src/lib/libcpu/sh/sh7032/null/cntrl.c
new file mode 100644
index 0000000000..cafc714279
--- /dev/null
+++ b/c/src/lib/libcpu/sh/sh7032/null/cntrl.c
@@ -0,0 +1,38 @@
+/*  null_control
+ *
+ *  This routine is the null device driver control routine.
+ *
+ *  Derived from rtems' stub driver.
+ *
+ *  Author: Ralf Corsepius (corsepiu@faw.uni-ulm.de)
+ *
+ *  Input parameters:
+ *    major - device major number
+ *    minor - device minor number
+ *    pargp - pointer to cntrl parameter block
+ *
+ *  Output parameters:
+ *    rval       - NULL_SUCCESSFUL
+ *
+ *  COPYRIGHT (c) 1989-1998.
+ *  On-Line Applications Research Corporation (OAR).
+ *  Copyright assigned to U.S. Government, 1994.
+ *
+ *  The license and distribution terms for this file may be
+ *  found in the file LICENSE in this distribution or at
+ *  http://www.OARcorp.com/rtems/license.html.
+ *
+ *  $Id$
+ */
+
+#include <rtems.h>
+#include <sh/null.h>
+
+rtems_device_driver null_control(
+  rtems_device_major_number major,
+  rtems_device_minor_number minor,
+  void *pargp
+)
+{
+  return NULL_SUCCESSFUL;
+}
diff --git a/c/src/lib/libcpu/sh/sh7032/null/init.c b/c/src/lib/libcpu/sh/sh7032/null/init.c
new file mode 100644
index 0000000000..dcc1800f6b
--- /dev/null
+++ b/c/src/lib/libcpu/sh/sh7032/null/init.c
@@ -0,0 +1,53 @@
+/*  null_initialize
+ *
+ *  This routine is the null device driver init routine.
+ *
+ *  Derived from rtems' stub driver.
+ *
+ *  Author: Ralf Corsepius (corsepiu@faw.uni-ulm.de)
+ *
+ *  Input parameters:
+ *    major - device major number
+ *    minor - device minor number
+ *    pargp - pointer to parameter block
+ *
+ *  Output parameters:
+ *    rval       - NULL_SUCCESSFUL
+ *
+ *  COPYRIGHT (c) 1989-1998.
+ *  On-Line Applications Research Corporation (OAR).
+ *  Copyright assigned to U.S. Government, 1994.
+ *
+ *  The license and distribution terms for this file may be
+ *  found in the file LICENSE in this distribution or at
+ *  http://www.OARcorp.com/rtems/license.html.
+ *
+ *  $Id$
+ */
+
+#include <rtems.h>
+#include <sh/null.h>
+
+rtems_unsigned32 NULL_major;
+
+rtems_device_driver null_initialize(
+  rtems_device_major_number major,
+  rtems_device_minor_number minor,
+  void *pargp
+)
+{
+  rtems_device_driver status ;
+  
+  status = rtems_io_register_name(
+    "/dev/null",
+    major,
+    (rtems_device_minor_number) 0
+    );
+
+  if (status != RTEMS_SUCCESSFUL)
+    rtems_fatal_error_occurred(status);
+      
+  NULL_major = major;
+  
+  return RTEMS_SUCCESSFUL;
+}
diff --git a/c/src/lib/libcpu/sh/sh7032/null/open.c b/c/src/lib/libcpu/sh/sh7032/null/open.c
new file mode 100644
index 0000000000..352f4b981e
--- /dev/null
+++ b/c/src/lib/libcpu/sh/sh7032/null/open.c
@@ -0,0 +1,38 @@
+/*  null_open
+ *
+ *  This routine is the null device driver open routine.
+ *
+ *  Derived from rtems' stub driver.
+ *
+ *  Author: Ralf Corsepius (corsepiu@faw.uni-ulm.de)
+ *
+ *  Input parameters:
+ *    major - device major number
+ *    minor - device minor number
+ *    pargb - pointer to open parameter block
+ *
+ *  Output parameters:
+ *    rval       - NULL_SUCCESSFUL
+ *
+ *  COPYRIGHT (c) 1989-1998.
+ *  On-Line Applications Research Corporation (OAR).
+ *  Copyright assigned to U.S. Government, 1994.
+ *
+ *  The license and distribution terms for this file may be
+ *  found in the file LICENSE in this distribution or at
+ *  http://www.OARcorp.com/rtems/license.html.
+ *
+ *  $Id$
+ */
+
+#include <rtems.h>
+#include <sh/null.h>
+
+rtems_device_driver null_open(
+  rtems_device_major_number major,
+  rtems_device_minor_number minor,
+  void *pargp
+)
+{
+  return NULL_SUCCESSFUL;
+}
diff --git a/c/src/lib/libcpu/sh/sh7032/null/read.c b/c/src/lib/libcpu/sh/sh7032/null/read.c
new file mode 100644
index 0000000000..895ba0c7f4
--- /dev/null
+++ b/c/src/lib/libcpu/sh/sh7032/null/read.c
@@ -0,0 +1,38 @@
+/*  null_read
+ *
+ *  This routine is the null device driver read routine.
+ *
+ *  Derived from rtems' stub driver.
+ *
+ *  Author: Ralf Corsepius (corsepiu@faw.uni-ulm.de)
+ *
+ *  Input parameters:
+ *    major - device major number
+ *    minor - device minor number
+ *    pargp - pointer to read parameter block
+ *
+ *  Output parameters:
+ *    rval       - NULL_SUCCESSFUL
+ *
+ *  COPYRIGHT (c) 1989-1998.
+ *  On-Line Applications Research Corporation (OAR).
+ *  Copyright assigned to U.S. Government, 1994.
+ *
+ *  The license and distribution terms for this file may be
+ *  found in the file LICENSE in this distribution or at
+ *  http://www.OARcorp.com/rtems/license.html.
+ *
+ *  $Id$
+ */
+
+#include <rtems.h>
+#include <sh/null.h>
+
+rtems_device_driver null_read(
+  rtems_device_major_number major,
+  rtems_device_minor_number minor,
+  void *pargp
+)
+{
+  return NULL_SUCCESSFUL;
+}
diff --git a/c/src/lib/libcpu/sh/sh7032/null/write.c b/c/src/lib/libcpu/sh/sh7032/null/write.c
new file mode 100644
index 0000000000..d9c4da434b
--- /dev/null
+++ b/c/src/lib/libcpu/sh/sh7032/null/write.c
@@ -0,0 +1,44 @@
+/*  null_write
+ *
+ *  This routine is the null device driver write routine.
+ *
+ *  Derived from rtems' stub driver.
+ *
+ *  Author: Ralf Corsepius (corsepiu@faw.uni-ulm.de)
+ *
+ *  Input parameters:
+ *    major - device major number
+ *    minor - device minor number
+ *    pargp - pointer to write parameter block
+ *
+ *  Output parameters:
+ *    rval       - NULL_SUCCESSFUL
+ *
+ *  COPYRIGHT (c) 1989-1998.
+ *  On-Line Applications Research Corporation (OAR).
+ *  Copyright assigned to U.S. Government, 1994.
+ *
+ *  The license and distribution terms for this file may be
+ *  found in the file LICENSE in this distribution or at
+ *  http://www.OARcorp.com/rtems/license.html.
+ *
+ *  $Id$
+ */
+
+#include <rtems.h>
+#include <rtems/libio.h>
+
+#include <sh/null.h>
+
+rtems_device_driver null_write(
+  rtems_device_major_number major,
+  rtems_device_minor_number minor,
+  void *pargp
+)
+{
+  rtems_libio_rw_args_t *rw_args = (rtems_libio_rw_args_t *) pargp ;
+  
+  rw_args->bytes_moved = rw_args->count ;
+  
+  return NULL_SUCCESSFUL;
+}
diff --git a/c/src/lib/libcpu/sh/sh7032/timer/Makefile.in b/c/src/lib/libcpu/sh/sh7032/timer/Makefile.in
new file mode 100644
index 0000000000..8fb56cf938
--- /dev/null
+++ b/c/src/lib/libcpu/sh/sh7032/timer/Makefile.in
@@ -0,0 +1,60 @@
+#
+#  $Id$
+#
+
+@SET_MAKE@
+srcdir = @srcdir@
+VPATH=@srcdir@
+RTEMS_ROOT = @top_srcdir@
+PROJECT_ROOT = @PROJECT_ROOT@
+
+PGM=${ARCH}/timer.rel
+
+# C source names, if any, go here -- minus the .c
+C_PIECES=timer
+C_FILES=$(C_PIECES:%=%.c)
+C_O_FILES=$(C_PIECES:%=${ARCH}/%.o)
+
+H_FILES=
+
+# Assembly source names, if any, go here -- minus the .s
+S_PIECES=
+S_FILES=$(S_PIECES:%=%.s)
+S_O_FILES=$(S_FILES:%.s=${ARCH}/%.o)
+
+SRCS=$(C_FILES) $(H_FILES) $(S_FILES)
+OBJS=$(C_O_FILES) $(S_O_FILES)
+
+include $(RTEMS_ROOT)/make/custom/$(RTEMS_BSP).cfg
+include $(RTEMS_ROOT)/make/leaf.cfg
+
+#
+# (OPTIONAL) Add local stuff here using +=
+#
+
+DEFINES  +=
+CPPFLAGS +=
+CFLAGS   +=
+
+LD_PATHS  +=
+LD_LIBS   +=
+LDFLAGS   +=
+
+#
+# Add your list of files to delete here.  The config files
+#  already know how to delete some stuff, so you may want
+#  to just run 'make clean' first to see what gets missed.
+#  'make clobber' already includes 'make clean'
+#
+
+CLEAN_ADDITIONS +=
+CLOBBER_ADDITIONS +=
+
+${PGM}: ${SRCS} ${OBJS}
+	$(make-rel)
+
+all:	${ARCH} $(SRCS) $(PGM)
+
+# the .rel file built here will be put into libbsp.a by 
+# libbsp/sh/BSP/Makefile
+install:  all
diff --git a/c/src/lib/libcpu/sh/sh7032/timer/timer.c b/c/src/lib/libcpu/sh/sh7032/timer/timer.c
new file mode 100644
index 0000000000..8aa6cb9b27
--- /dev/null
+++ b/c/src/lib/libcpu/sh/sh7032/timer/timer.c
@@ -0,0 +1,204 @@
+/*
+ *  timer for the Hitachi SH 703X 
+ *
+ *  This file manages the benchmark timer used by the RTEMS Timing Test
+ *  Suite.  Each measured time period is demarcated by calls to
+ *  Timer_initialize() and Read_timer().  Read_timer() usually returns
+ *  the number of microseconds since Timer_initialize() exitted.
+ *
+ *  NOTE: It is important that the timer start/stop overhead be
+ *        determined when porting or modifying this code.
+ *
+ *  Authors: Ralf Corsepius (corsepiu@faw.uni-ulm.de) and
+ *           Bernd Becker (becker@faw.uni-ulm.de)
+ *
+ *  COPYRIGHT (c) 1997-1998, FAW Ulm, Germany
+ *
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+ *
+ *  COPYRIGHT (c) 1998.
+ *  On-Line Applications Research Corporation (OAR).
+ *  Copyright assigned to U.S. Government, 1994.
+ *
+ *  The license and distribution terms for this file may be
+ *  found in the file LICENSE in this distribution or at
+ *  http://www.OARcorp.com/rtems/license.html.
+ *
+ *  $Id$
+ */
+
+#include <bsp.h>
+
+#include <rtems/score/sh_io.h>
+#include <rtems/score/iosh7030.h>
+
+/*
+ * We use a Phi/4 timer
+ */
+#define SCALE (MHZ/4)
+
+#define ITU1_STARTMASK 	0xfd
+#define ITU1_SYNCMASK 	0xfd
+#define ITU1_MODEMASK 	0xfd
+#define ITU1_TCRMASK 	0x02
+#define ITU1_TIORMASK 	0x88
+#define ITU1_STAT_MASK 	0xf8
+#define ITU1_TIERMASK 	0xfc
+#define IPRC_ITU1_MASK	0xfff0
+
+#ifndef ITU1_PRIO
+#define ITU1_PRIO 15
+#endif
+
+#define ITU1_VECTOR 86
+
+rtems_isr timerisr();
+
+static rtems_unsigned32 Timer_interrupts;
+
+rtems_boolean Timer_driver_Find_average_overhead;
+
+void Timer_initialize( void )
+{
+  rtems_unsigned8 temp8;
+  rtems_unsigned16 temp16;
+  rtems_unsigned32 level;
+  rtems_isr* ignored;
+
+  /*
+   *  Timer has never overflowed.  This may not be necessary on some
+   *  implemenations of timer but ....
+   */
+
+  Timer_interrupts /* .i */ = 0;
+  _CPU_ISR_Disable( level);
+
+  /*
+   *  Somehow start the timer
+   */
+  /* stop Timer 1  */
+  temp8 = read8( ITU_TSTR) & ITU1_STARTMASK;
+  write8( temp8, ITU_TSTR);
+
+  /* initialize counter 1 */
+  write16( 0, ITU_TCNT1);
+
+  /* Timer 1 is independent of other timers */
+  temp8 = read8( ITU_TSNC) & ITU1_SYNCMASK;
+  write8( temp8, ITU_TSNC);
+
+  /* Timer 1, normal mode */
+  temp8 = read8( ITU_TMDR) & ITU1_MODEMASK;
+  write8( temp8, ITU_TMDR);
+
+  /* x0000000
+   * |||||+++--- Internal Clock
+   * |||++------ Count on rising edge
+   * |++-------- disable TCNT clear
+   * +---------- don`t care
+   */
+  write8( ITU1_TCRMASK, ITU_TCR1);
+
+  /* gra and grb are not used */
+  write8( ITU1_TIORMASK, ITU_TIOR1);
+
+  /* reset all status flags */
+  temp8 = read8( ITU_TSR1) & ITU1_STAT_MASK;
+  write8( temp8, ITU_TSR1);
+
+  /* enable overflow interrupt */
+  write8( ITU1_TIERMASK, ITU_TIER1);
+
+  /* set interrupt priority */
+  temp16 = read16( INTC_IPRC) & IPRC_ITU1_MASK;
+  temp16 |= ITU1_PRIO;
+  write16( temp16, INTC_IPRC);
+
+  /* initialize ISR */
+  ignored = set_vector( timerisr, ITU1_VECTOR, 0);
+  _CPU_ISR_Enable( level);
+
+  /* start timer 1 */
+  temp8 = read8( ITU_TSTR) | ~ITU1_STARTMASK;
+  write8( temp8, ITU_TSTR);
+}
+
+/*
+ *  The following controls the behavior of Read_timer().
+ *
+ *  AVG_OVERHEAD is the overhead for starting and stopping the timer.  It
+ *  is usually deducted from the number returned.
+ *
+ *  LEAST_VALID is the lowest number this routine should trust.  Numbers
+ *  below this are "noise" and zero is returned.
+ */
+
+#define AVG_OVERHEAD      1  /* It typically takes X.X microseconds */
+                             /* (Y countdowns) to start/stop the timer. */
+                             /* This value is in microseconds. */
+#define LEAST_VALID       0 /* 20 */ /* Don't trust a clicks value lower than this */
+
+int Read_timer( void )
+{
+  rtems_unsigned32 clicks;
+  rtems_unsigned32 total ;
+  /*
+   *  Read the timer and see how many clicks it has been since we started.
+   */
+  
+
+  clicks = read16( ITU_TCNT1);   /* XXX: read some HW here */
+  
+  /*
+   *  Total is calculated by taking into account the number of timer overflow
+   *  interrupts since the timer was initialized and clicks since the last
+   *  interrupts.
+   */
+
+  total = clicks + Timer_interrupts * 65536 ;
+
+  if ( Timer_driver_Find_average_overhead )
+    return total / SCALE;          /* in XXX microsecond units */
+  else 
+  {
+    if ( total < LEAST_VALID )
+      return 0;            /* below timer resolution */
+  /*
+   *  Somehow convert total into microseconds
+   */
+    return (total / SCALE - AVG_OVERHEAD) ;
+  }
+}
+
+/*
+ *  Empty function call used in loops to measure basic cost of looping
+ *  in Timing Test Suite.
+ */
+
+rtems_status_code Empty_function( void )
+{
+  return RTEMS_SUCCESSFUL;
+}
+
+void Set_find_average_overhead(
+  rtems_boolean find_flag
+)
+{
+  Timer_driver_Find_average_overhead = find_flag;
+}
+
+/* Timer 1 is used */
+
+#pragma interrupt
+void timerisr( void )
+{
+  unsigned8 temp8;
+
+  /* reset the flags of the status register */
+  temp8 = read8( ITU_TSR1) & ITU1_STAT_MASK;
+  write8( temp8, ITU_TSR1);
+
+  Timer_interrupts += 1;
+}