unify irq data types and code, merge s3c2400/s3c2410 support

30 files changed, 205 insertions, 1171 deletions

diff --git a/c/src/lib/libcpu/arm/ChangeLog b/c/src/lib/libcpu/arm/ChangeLog
index 4cc6232b5d..3e4348e3e4 100644
--- a/c/src/lib/libcpu/arm/ChangeLog
+++ b/c/src/lib/libcpu/arm/ChangeLog
@@ -1,3 +1,25 @@
+2010-04-09	Thomas Doerfler <Thomas.Doerfler@embedded-brains.de>
+
+	* configure.ac, Makefile.am, at91rm9200/clock/clock.c,
+	at91rm9200/irq/bsp_irq_init.c,
+	at91rm9200/irq/irq.h, at91rm9200/usart/usart.c,
+	lpc22xx/clock/clockdrv.c, lpc22xx/irq/bsp_irq_init.c,
+	lpc22xx/irq/irq.h, mc9328mxl/irq/bsp_irq_init.c,
+	mc9328mxl/irq/irq.h libcpu/arm/pxa255/clock/clock.c,
+	pxa255/irq/bsp_irq_init.c, pxa255/irq/irq.h,
+	s3c24xx/clock/clockdrv.c, s3c24xx/irq/bsp_irq_init.c,
+	s3c24xx/irq/irq.h: changes to consolidate s3c24xx support and to
+	make irq system warning-free
+	* s3c2400/clock/clockdrv.c, s3c2400/clock/support.c,
+	s3c2400/include/s3c2400.h, s3c2400/irq/bsp_irq_asm.S,
+	s3c2400/irq/bsp_irq_init.c, s3c2400/irq/irq.c
+	libcpu/arm/s3c2400/irq/irq.h, s3c2400/timer/timer.c,
+	s3c2410/include/s3c2410.h, s3c2410/irq/bsp_irq_asm.S,
+	s3c2410/irq/irq.h: removed after merge into s3c24xx
+
+	* s3c24xx/include/s3c2400.h, s3c24xx/include/s3c2410.h,
+	s3c24xx/rq/bsp_irq_asm.S: moved from s3c2400 or s3c2410 tree
+
 2010-04-08	Sebastian Huber <sebastian.huber@embedded-brains.de>
 
 	* shared/include/arm-cp15.h: Documentation.  Fixed mask defines.
diff --git a/c/src/lib/libcpu/arm/Makefile.am b/c/src/lib/libcpu/arm/Makefile.am
index 8ad15ed4b9..d2e18e4f26 100644
--- a/c/src/lib/libcpu/arm/Makefile.am
+++ b/c/src/lib/libcpu/arm/Makefile.am
@@ -134,56 +134,30 @@ mc9328mxl_irq_rel_CPPFLAGS = $(AM_CPPFLAGS)
 mc9328mxl_irq_rel_LDFLAGS = $(RTEMS_RELLDFLAGS)
 endif
 
-if s3c2400
-include_HEADERS = s3c24xx/include/s3c24xx.h s3c2400/include/s3c2400.h
-
-## s3c2400/clock
-noinst_PROGRAMS += s3c2400/clock.rel
-s3c2400_clock_rel_SOURCES = s3c2400/clock/clockdrv.c s3c2400/clock/support.c
-s3c2400_clock_rel_CPPFLAGS = $(AM_CPPFLAGS)
-s3c2400_clock_rel_LDFLAGS = $(RTEMS_RELLDFLAGS)
-
-## s3c2400/timer
-noinst_PROGRAMS += s3c2400/timer.rel
-s3c2400_timer_rel_SOURCES = s3c2400/timer/timer.c
-s3c2400_timer_rel_CPPFLAGS = $(AM_CPPFLAGS)
-s3c2400_timer_rel_LDFLAGS = $(RTEMS_RELLDFLAGS)
-
-## s3c2400/interrupt
-include_HEADERS += s3c2400/irq/irq.h
-
-noinst_PROGRAMS += s3c2400/irq.rel
-s3c2400_irq_rel_SOURCES = s3c24xx/irq/irq.c s3c24xx/irq/bsp_irq_init.c \
-    ../../libbsp/arm/shared/irq/irq_init.c s3c2400/irq/bsp_irq_asm.S \
-    s3c2400/irq/irq.h
-s3c2400_irq_rel_CPPFLAGS = $(AM_CPPFLAGS)
-s3c2400_irq_rel_LDFLAGS = $(RTEMS_RELLDFLAGS)
-endif
-
-if s3c2410
-include_HEADERS = s3c24xx/include/s3c24xx.h s3c2410/include/s3c2410.h
-
-## s3c2410/clock
-noinst_PROGRAMS += s3c2410/clock.rel
-s3c2410_clock_rel_SOURCES = s3c24xx/clock/clockdrv.c s3c24xx/clock/support.c
-s3c2410_clock_rel_CPPFLAGS = $(AM_CPPFLAGS)
-s3c2410_clock_rel_LDFLAGS = $(RTEMS_RELLDFLAGS)
-
-## s3c2410/timer
-noinst_PROGRAMS += s3c2410/timer.rel
-s3c2410_timer_rel_SOURCES = s3c24xx/timer/timer.c
-s3c2410_timer_rel_CPPFLAGS = $(AM_CPPFLAGS)
-s3c2410_timer_rel_LDFLAGS = $(RTEMS_RELLDFLAGS)
-
-## s3c2410/interrupt
-include_HEADERS += s3c2410/irq/irq.h
-
-noinst_PROGRAMS += s3c2410/irq.rel
-s3c2410_irq_rel_SOURCES = s3c24xx/irq/irq.c s3c24xx/irq/bsp_irq_init.c \
-    ../../libbsp/arm/shared/irq/irq_init.c s3c2410/irq/bsp_irq_asm.S \
-    s3c2410/irq/irq.h
-s3c2410_irq_rel_CPPFLAGS = $(AM_CPPFLAGS)
-s3c2410_irq_rel_LDFLAGS = $(RTEMS_RELLDFLAGS)
+if s3c24xx
+include_HEADERS = s3c24xx/include/s3c24xx.h s3c24xx/include/s3c2400.h s3c24xx/include/s3c2410.h
+
+## s3c24xx/clock
+noinst_PROGRAMS += s3c24xx/clock.rel
+s3c24xx_clock_rel_SOURCES = s3c24xx/clock/clockdrv.c s3c24xx/clock/support.c
+s3c24xx_clock_rel_CPPFLAGS = $(AM_CPPFLAGS)
+s3c24xx_clock_rel_LDFLAGS = $(RTEMS_RELLDFLAGS)
+
+## s3c24xx/timer
+noinst_PROGRAMS += s3c24xx/timer.rel
+s3c24xx_timer_rel_SOURCES = s3c24xx/timer/timer.c
+s3c24xx_timer_rel_CPPFLAGS = $(AM_CPPFLAGS)
+s3c24xx_timer_rel_LDFLAGS = $(RTEMS_RELLDFLAGS)
+
+## s3c24xx/interrupt
+include_HEADERS += s3c24xx/irq/irq.h
+
+noinst_PROGRAMS += s3c24xx/irq.rel
+s3c24xx_irq_rel_SOURCES = s3c24xx/irq/irq.c s3c24xx/irq/bsp_irq_init.c \
+    ../../libbsp/arm/shared/irq/irq_init.c s3c24xx/irq/bsp_irq_asm.S \
+    s3c24xx/irq/irq.h
+s3c24xx_irq_rel_CPPFLAGS = $(AM_CPPFLAGS)
+s3c24xx_irq_rel_LDFLAGS = $(RTEMS_RELLDFLAGS)
 endif
 
 if lpc22xx
diff --git a/c/src/lib/libcpu/arm/at91rm9200/clock/clock.c b/c/src/lib/libcpu/arm/at91rm9200/clock/clock.c
index 7a9cf6af07..503239613b 100644
--- a/c/src/lib/libcpu/arm/at91rm9200/clock/clock.c
+++ b/c/src/lib/libcpu/arm/at91rm9200/clock/clock.c
@@ -66,15 +66,17 @@ rtems_isr Clock_isr(rtems_vector_number vector);
 /* Replace the first value with the clock's interrupt name. */
 rtems_irq_connect_data clock_isr_data = {AT91RM9200_INT_SYSIRQ,
                                          (rtems_irq_hdl)Clock_isr,
+					 NULL,
                                          clock_isr_on,
                                          clock_isr_off,
-                                         clock_isr_is_on,
-                                         3,     /* unused for ARM cpus */
-                                         0 };   /* unused for ARM cpus */
+                                         clock_isr_is_on};
 
 
 #define Clock_driver_support_install_isr( _new, _old ) \
-  BSP_install_rtems_irq_handler(&clock_isr_data)
+  do {                                                 \
+      (_old) = NULL;                                   \
+      BSP_install_rtems_irq_handler(&clock_isr_data);  \
+  } while(0)
 
 uint16_t st_pimr_value;
 void Clock_driver_support_initialize_hardware(void)
diff --git a/c/src/lib/libcpu/arm/at91rm9200/irq/bsp_irq_init.c b/c/src/lib/libcpu/arm/at91rm9200/irq/bsp_irq_init.c
index 99cf822570..eaf21e37b1 100644
--- a/c/src/lib/libcpu/arm/at91rm9200/irq/bsp_irq_init.c
+++ b/c/src/lib/libcpu/arm/at91rm9200/irq/bsp_irq_init.c
@@ -15,8 +15,6 @@
 #include <bsp.h>
 #include <at91rm9200.h>
 
-extern void default_int_handler(void);
-
 /*
  * Interrupt system initialization. Disable interrupts, clear
  * any that are pending.
diff --git a/c/src/lib/libcpu/arm/at91rm9200/irq/irq.h b/c/src/lib/libcpu/arm/at91rm9200/irq/irq.h
index 320c4415e5..1219c07e26 100644
--- a/c/src/lib/libcpu/arm/at91rm9200/irq/irq.h
+++ b/c/src/lib/libcpu/arm/at91rm9200/irq/irq.h
@@ -25,10 +25,11 @@ extern "C" {
  * Include some preprocessor value also used by assember code
  */
 
+#include <rtems/irq.h>
 #include <rtems.h>
 #include <at91rm9200.h>
 
-extern void default_int_handler();
+extern void default_int_handler(rtems_irq_hdl_param unused);
 /***********************************************************************
  * Constants
  **********************************************************************/
@@ -72,60 +73,11 @@ extern void default_int_handler();
 /* a vector table */
 #define VECTOR_TABLE AIC_SVR_BASE
 
-typedef unsigned char  rtems_irq_level;
-typedef unsigned char  rtems_irq_trigger;
-
-struct  __rtems_irq_connect_data__;     /* forward declaratiuon */
-typedef unsigned int rtems_irq_number;
-typedef void (*rtems_irq_hdl)       (uint32_t vector);
-typedef void (*rtems_irq_enable)    (const struct __rtems_irq_connect_data__*);
-typedef void (*rtems_irq_disable)   (const struct __rtems_irq_connect_data__*);
-typedef int  (*rtems_irq_is_enabled)(const struct __rtems_irq_connect_data__*);
-
-typedef struct __rtems_irq_connect_data__ {
-    /* IRQ line */
-    rtems_irq_number		 name;
-
-    /* Handler */
-    rtems_irq_hdl                 hdl;
-
-    /* function for enabling interrupts at device level. */
-    rtems_irq_enable              on;
-
-    /* function for disabling interrupts at device level. */
-    rtems_irq_disable             off;
-
-    /* Function to test if interrupt is enabled */
-    rtems_irq_is_enabled        isOn;
-
-    /* priority level of interrupt */
-    rtems_irq_level               irqLevel;
-
-    /* Trigger method (rising/falling edge or high/low level) */
-    rtems_irq_trigger             irqTrigger;
-} rtems_irq_connect_data;
-
 /*
  * function to initialize the interrupt for a specific BSP
  */
 void BSP_rtems_irq_mngt_init();
 
-
-/*
- * function to connect a particular irq handler.
- */
-int BSP_install_rtems_irq_handler       (const rtems_irq_connect_data*);
-
-/*
- * function to get the current RTEMS irq handler for ptr->name.
- */
-int BSP_get_current_rtems_irq_handler   (rtems_irq_connect_data* ptr);
-
-/*
- * function to disconnect the RTEMS irq handler for ptr->name.
- */
-int BSP_remove_rtems_irq_handler        (const rtems_irq_connect_data*);
-
 #endif /* __asm__ */
 
 #ifdef __cplusplus
diff --git a/c/src/lib/libcpu/arm/at91rm9200/usart/usart.c b/c/src/lib/libcpu/arm/at91rm9200/usart/usart.c
index 7633f05291..6c52570054 100644
--- a/c/src/lib/libcpu/arm/at91rm9200/usart/usart.c
+++ b/c/src/lib/libcpu/arm/at91rm9200/usart/usart.c
@@ -257,6 +257,7 @@ static int usart_set_attributes(int minor, const struct termios *t)
 
   usart->mr = mode;
   usart->brgr = brgr;
+  return 0;
 }
 
 /*
diff --git a/c/src/lib/libcpu/arm/configure.ac b/c/src/lib/libcpu/arm/configure.ac
index a63ce6b263..36c9133d09 100644
--- a/c/src/lib/libcpu/arm/configure.ac
+++ b/c/src/lib/libcpu/arm/configure.ac
@@ -29,10 +29,10 @@ AM_CONDITIONAL(shared, test "$RTEMS_CPU_MODEL" = "at91rm9200" || \
 
 AM_CONDITIONAL(at91rm9200, test "$RTEMS_CPU_MODEL" = "at91rm9200")
 AM_CONDITIONAL(mc9328mxl, test "$RTEMS_CPU_MODEL" = "mc9328mxl")
-AM_CONDITIONAL(s3c2400, test "$RTEMS_CPU_MODEL" = "s3c2400")
-AM_CONDITIONAL(s3c2410, test "$RTEMS_CPU_MODEL" = "s3c2410")
 AM_CONDITIONAL(lpc22xx, test "$RTEMS_CPU_MODEL" = "lpc22xx")
 AM_CONDITIONAL(pxa255, test "$RTEMS_CPU_MODEL" = "pxa255")
+AM_CONDITIONAL(s3c24xx, test "$RTEMS_CPU_MODEL" = "s3c2400" ||\
+                        test "$RTEMS_CPU_MODEL" = "s3c2410")
 
 RTEMS_AMPOLISH3
 
diff --git a/c/src/lib/libcpu/arm/lpc22xx/clock/clockdrv.c b/c/src/lib/libcpu/arm/lpc22xx/clock/clockdrv.c
index c277c8ee2f..4f8a31bd9a 100644
--- a/c/src/lib/libcpu/arm/lpc22xx/clock/clockdrv.c
+++ b/c/src/lib/libcpu/arm/lpc22xx/clock/clockdrv.c
@@ -29,11 +29,10 @@ static int clock_isr_is_on(const rtems_irq_connect_data *irq);
 /* Replace the first value with the clock's interrupt name. */
 rtems_irq_connect_data clock_isr_data = {LPC22xx_INTERRUPT_TIMER0,
                                          (rtems_irq_hdl)Clock_isr,
+					 NULL,
                                          clock_isr_on,
                                          clock_isr_off,
-                                         clock_isr_is_on,
-                                         3,     /* unused for ARM cpus */
-                                         0 };   /* unused for ARM cpus */
+                                         clock_isr_is_on};
 
 /* If you follow the code, this is never used, so any value
  * should work
diff --git a/c/src/lib/libcpu/arm/lpc22xx/irq/bsp_irq_init.c b/c/src/lib/libcpu/arm/lpc22xx/irq/bsp_irq_init.c
index 4c5b7850ad..365b69604f 100644
--- a/c/src/lib/libcpu/arm/lpc22xx/irq/bsp_irq_init.c
+++ b/c/src/lib/libcpu/arm/lpc22xx/irq/bsp_irq_init.c
@@ -14,8 +14,6 @@
 #include <lpc22xx.h>
 
 
-extern void default_int_handler(void);
-
 /*
  * Interrupt system initialization. Disable interrupts, clear
  * any that are pending.
diff --git a/c/src/lib/libcpu/arm/lpc22xx/irq/irq.h b/c/src/lib/libcpu/arm/lpc22xx/irq/irq.h
index 11f8de1bba..3904484585 100644
--- a/c/src/lib/libcpu/arm/lpc22xx/irq/irq.h
+++ b/c/src/lib/libcpu/arm/lpc22xx/irq/irq.h
@@ -25,11 +25,12 @@ extern "C" {
 /*
  * Include some preprocessor value also used by assember code
  */
-
+#include <rtems/irq.h>
 #include <rtems.h>
 #include <lpc22xx.h>
 
-extern void default_int_handler();
+extern void default_int_handler(rtems_irq_hdl_param unused);
+
 /***********************************************************************
  * Constants
  **********************************************************************/
@@ -78,63 +79,14 @@ extern void default_int_handler();
 #define FIQ_ISR_ADDR                        (*(u_long *)0x0000003CL)
 
 
-typedef unsigned char  rtems_irq_level;
-typedef unsigned char  rtems_irq_trigger;
-
-typedef unsigned int rtems_irq_number;
-struct  __rtems_irq_connect_data__;     /* forward declaratiuon */
-
-typedef void (*rtems_irq_hdl)       (void);
-typedef void (*rtems_irq_enable)    (const struct __rtems_irq_connect_data__*);
-typedef void (*rtems_irq_disable)   (const struct __rtems_irq_connect_data__*);
-typedef int  (*rtems_irq_is_enabled)(const struct __rtems_irq_connect_data__*);
-
 //extern rtems_irq_hdl bsp_vector_table[BSP_MAX_INT];
 #define VECTOR_TABLE VICVectAddrBase
 
-typedef struct __rtems_irq_connect_data__ {
-    /* IRQ line */
-    rtems_irq_number              name;
-
-    /* Handler */
-    rtems_irq_hdl                 hdl;
-
-    /* function for enabling interrupts at device level. */
-    rtems_irq_enable              on;
-
-    /* function for disabling interrupts at device level. */
-    rtems_irq_disable             off;
-
-    /* Function to test if interrupt is enabled */
-    rtems_irq_is_enabled        isOn;
-
-    /* priority level of interrupt */
-    rtems_irq_level               irqLevel;
-
-    /* Trigger method (rising/falling edge or high/low level) */
-    rtems_irq_trigger             irqTrigger;
-} rtems_irq_connect_data;
 
 /*
  * function to initialize the interrupt for a specific BSP
  */
-void BSP_rtems_irq_mngt_init();
-
-
-/*
- * function to connect a particular irq handler.
- */
-int BSP_install_rtems_irq_handler       (const rtems_irq_connect_data*);
-
-/*
- * function to get the current RTEMS irq handler for ptr->name.
- */
-int BSP_get_current_rtems_irq_handler   (rtems_irq_connect_data* ptr);
-
-/*
- * function to disconnect the RTEMS irq handler for ptr->name.
- */
-int BSP_remove_rtems_irq_handler        (const rtems_irq_connect_data*);
+void BSP_rtems_irq_mngt_init(void);
 
 #endif /* __asm__ */
 
diff --git a/c/src/lib/libcpu/arm/mc9328mxl/irq/bsp_irq_init.c b/c/src/lib/libcpu/arm/mc9328mxl/irq/bsp_irq_init.c
index 90e854440e..078d246b49 100644
--- a/c/src/lib/libcpu/arm/mc9328mxl/irq/bsp_irq_init.c
+++ b/c/src/lib/libcpu/arm/mc9328mxl/irq/bsp_irq_init.c
@@ -13,9 +13,6 @@
  */
 #include <irq.h>
 #include <bsp.h>
-#include <mc9328mxl.h>
-
-extern void default_int_handler(void);
 
 /*
  * Interrupt system initialization. Disable interrupts, clear
diff --git a/c/src/lib/libcpu/arm/mc9328mxl/irq/irq.h b/c/src/lib/libcpu/arm/mc9328mxl/irq/irq.h
index 6cc5c22f07..9998d2903c 100644
--- a/c/src/lib/libcpu/arm/mc9328mxl/irq/irq.h
+++ b/c/src/lib/libcpu/arm/mc9328mxl/irq/irq.h
@@ -31,7 +31,7 @@ extern "C" {
 #include <rtems.h>
 #include <mc9328mxl.h>
 
-extern void default_int_handler();
+extern void default_int_handler(rtems_irq_hdl_param);
 /***********************************************************************
  * Constants
  **********************************************************************/
@@ -115,8 +115,7 @@ extern mc9328mxl_irq_info_t bsp_vector_table[BSP_MAX_INT];
 /*
  * function to initialize the interrupt for a specific BSP
  */
-void BSP_rtems_irq_mngt_init();
-
+void BSP_rtems_irq_mngt_init(void);
 
 #endif /* __asm__ */
 
diff --git a/c/src/lib/libcpu/arm/preinstall.am b/c/src/lib/libcpu/arm/preinstall.am
index a40ee5d945..7077f0e142 100644
--- a/c/src/lib/libcpu/arm/preinstall.am
+++ b/c/src/lib/libcpu/arm/preinstall.am
@@ -91,29 +91,20 @@ $(PROJECT_INCLUDE)/irq.h: mc9328mxl/irq/irq.h $(PROJECT_INCLUDE)/$(dirstamp)
 	$(INSTALL_DATA) $< $(PROJECT_INCLUDE)/irq.h
 PREINSTALL_FILES += $(PROJECT_INCLUDE)/irq.h
 endif
-if s3c2400
+if s3c24xx
 $(PROJECT_INCLUDE)/s3c24xx.h: s3c24xx/include/s3c24xx.h $(PROJECT_INCLUDE)/$(dirstamp)
 	$(INSTALL_DATA) $< $(PROJECT_INCLUDE)/s3c24xx.h
 PREINSTALL_FILES += $(PROJECT_INCLUDE)/s3c24xx.h
 
-$(PROJECT_INCLUDE)/s3c2400.h: s3c2400/include/s3c2400.h $(PROJECT_INCLUDE)/$(dirstamp)
+$(PROJECT_INCLUDE)/s3c2400.h: s3c24xx/include/s3c2400.h $(PROJECT_INCLUDE)/$(dirstamp)
 	$(INSTALL_DATA) $< $(PROJECT_INCLUDE)/s3c2400.h
 PREINSTALL_FILES += $(PROJECT_INCLUDE)/s3c2400.h
 
-$(PROJECT_INCLUDE)/irq.h: s3c2400/irq/irq.h $(PROJECT_INCLUDE)/$(dirstamp)
-	$(INSTALL_DATA) $< $(PROJECT_INCLUDE)/irq.h
-PREINSTALL_FILES += $(PROJECT_INCLUDE)/irq.h
-endif
-if s3c2410
-$(PROJECT_INCLUDE)/s3c24xx.h: s3c24xx/include/s3c24xx.h $(PROJECT_INCLUDE)/$(dirstamp)
-	$(INSTALL_DATA) $< $(PROJECT_INCLUDE)/s3c24xx.h
-PREINSTALL_FILES += $(PROJECT_INCLUDE)/s3c24xx.h
-
-$(PROJECT_INCLUDE)/s3c2410.h: s3c2410/include/s3c2410.h $(PROJECT_INCLUDE)/$(dirstamp)
+$(PROJECT_INCLUDE)/s3c2410.h: s3c24xx/include/s3c2410.h $(PROJECT_INCLUDE)/$(dirstamp)
 	$(INSTALL_DATA) $< $(PROJECT_INCLUDE)/s3c2410.h
 PREINSTALL_FILES += $(PROJECT_INCLUDE)/s3c2410.h
 
-$(PROJECT_INCLUDE)/irq.h: s3c2410/irq/irq.h $(PROJECT_INCLUDE)/$(dirstamp)
+$(PROJECT_INCLUDE)/irq.h: s3c24xx/irq/irq.h $(PROJECT_INCLUDE)/$(dirstamp)
 	$(INSTALL_DATA) $< $(PROJECT_INCLUDE)/irq.h
 PREINSTALL_FILES += $(PROJECT_INCLUDE)/irq.h
 endif
diff --git a/c/src/lib/libcpu/arm/pxa255/clock/clock.c b/c/src/lib/libcpu/arm/pxa255/clock/clock.c
index c5d8cc9862..bb9e85c698 100755
--- a/c/src/lib/libcpu/arm/pxa255/clock/clock.c
+++ b/c/src/lib/libcpu/arm/pxa255/clock/clock.c
@@ -92,16 +92,18 @@ rtems_isr Clock_isr(rtems_vector_number vector);
 rtems_irq_connect_data clock_isr_data = {
   XSCALE_IRQ_OS_TIMER,
   (rtems_irq_hdl)Clock_isr,
+  NULL,
   clock_isr_on,
   clock_isr_off,
-  clock_isr_is_on,
-  3,     /* unused for ARM cpus */
-  0      /* unused for ARM cpus */
+  clock_isr_is_on
 };
 
 
 #define Clock_driver_support_install_isr( _new, _old ) \
-  BSP_install_rtems_irq_handler(&clock_isr_data)
+  do {						       \
+    _old = NULL;				       \
+    BSP_install_rtems_irq_handler(&clock_isr_data);    \
+  } while (0)
 
 void Clock_driver_support_initialize_hardware(void)
 {
diff --git a/c/src/lib/libcpu/arm/pxa255/irq/bsp_irq_init.c b/c/src/lib/libcpu/arm/pxa255/irq/bsp_irq_init.c
index 0470c88ce9..42bdf396a1 100755
--- a/c/src/lib/libcpu/arm/pxa255/irq/bsp_irq_init.c
+++ b/c/src/lib/libcpu/arm/pxa255/irq/bsp_irq_init.c
@@ -13,12 +13,12 @@
 #include <bsp.h>
 #include <pxa255.h>
 
-void dummy_handler(uint32_t vector)
+void dummy_handler(rtems_irq_hdl_param unused)
 {
   printk("I am dummy handler\n");
 }
 
-void (*IRQ_table[PRIMARY_IRQS])(uint32_t vector);
+void (*IRQ_table[PRIMARY_IRQS])(rtems_irq_hdl_param param);
 
 /*
  * Interrupt system initialization. Disable interrupts, clear
diff --git a/c/src/lib/libcpu/arm/pxa255/irq/irq.h b/c/src/lib/libcpu/arm/pxa255/irq/irq.h
index dcc86384c7..40ad888696 100755
--- a/c/src/lib/libcpu/arm/pxa255/irq/irq.h
+++ b/c/src/lib/libcpu/arm/pxa255/irq/irq.h
@@ -22,69 +22,15 @@ extern "C" {
  * Include some preprocessor value also used by assember code
  */
 
+#include <rtems/irq.h>
 #include <rtems.h>
 #include <pxa255.h>
 
-extern void default_int_handler();
-extern void (*IRQ_table[PRIMARY_IRQS])(uint32_t vector);
-extern void dummy_handler(uint32_t vector);
+extern void default_int_handler(rtems_irq_hdl_param unused);
+extern void (*IRQ_table[PRIMARY_IRQS])(rtems_irq_hdl_param param);
+extern void dummy_handler(rtems_irq_hdl_param unused);
 
-
-
-/* vector table used by shared/irq_init.c */
-
-typedef unsigned char  rtems_irq_level;
-typedef unsigned char  rtems_irq_trigger;
-struct  __rtems_irq_connect_data__;     /* forward declaratiuon */
-typedef unsigned int rtems_irq_number;
-typedef void (*rtems_irq_hdl)       (uint32_t vector);
-typedef void (*rtems_irq_enable)    (const struct __rtems_irq_connect_data__*);
-typedef void (*rtems_irq_disable)   (const struct __rtems_irq_connect_data__*);
-typedef int  (*rtems_irq_is_enabled)(const struct __rtems_irq_connect_data__*);
-
-typedef struct __rtems_irq_connect_data__ {
-    /* IRQ line */
-    rtems_irq_number		 name;
-
-    /* Handler */
-    rtems_irq_hdl                 hdl;
-
-    /* function for enabling interrupts at device level. */
-    rtems_irq_enable              on;
-
-    /* function for disabling interrupts at device level. */
-    rtems_irq_disable             off;
-
-    /* Function to test if interrupt is enabled */
-    rtems_irq_is_enabled        isOn;
-
-    /* priority level of interrupt */
-    rtems_irq_level               irqLevel;
-
-    /* Trigger method (rising/falling edge or high/low level) */
-    rtems_irq_trigger             irqTrigger;
-} rtems_irq_connect_data;
-
-/*
- * function to initialize the interrupt for a specific BSP
- */
-void BSP_rtems_irq_mngt_init();
-
-
-/*
- * function to connect a particular irq handler.
- */
-int BSP_install_rtems_irq_handler       (const rtems_irq_connect_data*);
-
-/*
- * function to get the current RTEMS irq handler for ptr->name.
- */
-int BSP_get_current_rtems_irq_handler   (rtems_irq_connect_data* ptr);
-
-/*
- * function to disconnect the RTEMS irq handler for ptr->name.
- */
-int BSP_remove_rtems_irq_handler        (const rtems_irq_connect_data*);
+extern void BSP_rtems_irq_mngt_init(void);
 
 #endif /* __asm__ */
 
diff --git a/c/src/lib/libcpu/arm/s3c2400/clock/clockdrv.c b/c/src/lib/libcpu/arm/s3c2400/clock/clockdrv.c
deleted file mode 100644
index 8de0864d73..0000000000
--- a/c/src/lib/libcpu/arm/s3c2400/clock/clockdrv.c
+++ /dev/null
@@ -1,147 +0,0 @@
-/*
- *  S3C2400 clock specific using the System Timer
- *
- *  This is hardware specific part of the clock driver. At the end of this
- *  file, the generic part of the driver is #included.
- *
- *  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.
- *
- *
- *  $Id$
-*/
-#include <rtems.h>
-#include <irq.h>
-#include <bsp.h>
-#include <s3c2400.h>
-
-/* this is defined in ../../../shared/clockdrv_shell.h */
-rtems_isr Clock_isr(rtems_vector_number vector);
-static void clock_isr_on(const rtems_irq_connect_data *unused);
-static void clock_isr_off(const rtems_irq_connect_data *unused);
-static int clock_isr_is_on(const rtems_irq_connect_data *irq);
-
-/* Replace the first value with the clock's interrupt name. */
-rtems_irq_connect_data clock_isr_data = {BSP_INT_TIMER4,
-                                         (rtems_irq_hdl)Clock_isr,
-                                         clock_isr_on,
-                                         clock_isr_off,
-                                         clock_isr_is_on,
-                                         3,     /* unused for ARM cpus */
-                                         0 };   /* unused for ARM cpus */
-
-/* If you follow the code, this is never used, so any value
- * should work
- */
-#define CLOCK_VECTOR 0
-
-/**
- *  Return the nanoseconds since last tick
- */
-uint32_t clock_driver_get_nanoseconds_since_last_tick(void)
-{
-  return 0;
-}
-
-#define Clock_driver_nanoseconds_since_last_tick \
-  clock_driver_get_nanoseconds_since_last_tick
-
-/**
- * When we get the clock interrupt
- *    - clear the interrupt bit?
- *    - restart the timer?
- */
-#define Clock_driver_support_at_tick()                \
-  do {                                                \
-        ClearPending(BIT_TIMER4);                                 \
-  } while(0)
-
-
-/**
- * Installs the clock ISR. You shouldn't need to change this.
- */
-#define Clock_driver_support_install_isr( _new, _old ) \
-  do {                                                 \
-    _old = NULL;                                       \
-    BSP_install_rtems_irq_handler(&clock_isr_data);    \
-  } while(0)
-
-
-/**
- * Initialize the hardware for the clock
- *   - Set the frequency
- *   - enable it
- *   - clear any pending interrupts
- *
- * Since you may want the clock always running, you can
- * enable interrupts here. If you do so, the clock_isr_on(),
- * clock_isr_off(), and clock_isr_is_on() functions can be
- * NOPs.
- */
-#define Clock_driver_support_initialize_hardware() \
-  do { \
-        uint32_t cr; \
-        uint32_t freq,m,p,s; \
-        /* set MUX for Timer4 to 1/16 */ \
-        cr=rTCFG1 & 0xFFF0FFFF; \
-        rTCFG1=(cr | (3<<16)); \
-        freq = get_PCLK(); \
-        /* set TIMER4 counter, input freq=PLCK/16/16Mhz*/ \
-        freq = (freq /16)/16; \
-        rTCNTB4 = ((freq / 1000) * rtems_configuration_get_microseconds_per_tick()) / 1000; \
-        /*unmask TIMER4 irq*/ \
-        rINTMSK&=~BIT_TIMER4; \
-        /* start TIMER4 with autoreload */ \
-        cr=rTCON & 0xFF8FFFFF; \
-        rTCON=(cr|(0x6<<20)); \
-        rTCON=(cr|(0x5<<20)); \
-    } while (0)
-
-/**
- * Do whatever you need to shut the clock down and remove the
- * interrupt handler. Since this normally only gets called on
- * RTEMS shutdown, you may not need to do anything other than
- * remove the ISR.
- */
-#define Clock_driver_support_shutdown_hardware()                        \
-  do {                                                                  \
-        /* Disable timer */ \
-        BSP_remove_rtems_irq_handler(&clock_isr_data);                  \
-     } while (0)
-
-/**
- * Enables clock interrupt.
- *
- * If the interrupt is always on, this can be a NOP.
- */
-static void clock_isr_on(const rtems_irq_connect_data *unused)
-{
-    return;
-}
-
-/**
- * Disables clock interrupts
- *
- * If the interrupt is always on, this can be a NOP.
- */
-static void clock_isr_off(const rtems_irq_connect_data *unused)
-{
-    return;
-}
-
-/**
- * Tests to see if clock interrupt is enabled, and returns 1 if so.
- * If interrupt is not enabled, returns 0.
- *
- * If the interrupt is always on, this always returns 1.
- */
-static int clock_isr_is_on(const rtems_irq_connect_data *irq)
-{
-    return 1;
-}
-
-
-/* Make sure to include this, and only at the end of the file */
-#include "../../../../libbsp/shared/clockdrv_shell.h"
diff --git a/c/src/lib/libcpu/arm/s3c2400/clock/support.c b/c/src/lib/libcpu/arm/s3c2400/clock/support.c
deleted file mode 100644
index 99bd21168a..0000000000
--- a/c/src/lib/libcpu/arm/s3c2400/clock/support.c
+++ /dev/null
@@ -1,57 +0,0 @@
-#include <rtems.h>
-#include <bsp.h>
-#include <s3c2400.h>
-
-/* ------------------------------------------------------------------------- */
-/* NOTE: This describes the proper use of this file.
- *
- * BSP_OSC_FREQ should be defined as the input frequency of the PLL.
- *
- * get_FCLK(), get_HCLK(), get_PCLK() and get_UCLK() return the clock of
- * the specified bus in HZ.
- */
-/* ------------------------------------------------------------------------- */
-
-/* return FCLK frequency */
-uint32_t get_FCLK(void)
-{
-    uint32_t r, m, p, s;
-
-    r = rMPLLCON;
-    m = ((r & 0xFF000) >> 12) + 8;
-    p = ((r & 0x003F0) >> 4) + 2;
-    s = r & 0x3;
-
-    return((BSP_OSC_FREQ * m) / (p << s));
-}
-
-/* return UCLK frequency */
-uint32_t get_UCLK(void)
-{
-    uint32_t r, m, p, s;
-
-    r = rUPLLCON;
-    m = ((r & 0xFF000) >> 12) + 8;
-    p = ((r & 0x003F0) >> 4) + 2;
-    s = r & 0x3;
-
-    return((BSP_OSC_FREQ * m) / (p << s));
-}
-
-/* return HCLK frequency */
-uint32_t get_HCLK(void)
-{
-    if (rCLKDIVN & 0x2)
-	return get_FCLK()/2;
-    else
-	return get_FCLK();
-}
-
-/* return PCLK frequency */
-uint32_t get_PCLK(void)
-{
-    if (rCLKDIVN & 0x1)
-	return get_HCLK()/2;
-    else
-	return get_HCLK();
-}
diff --git a/c/src/lib/libcpu/arm/s3c2400/irq/bsp_irq_asm.S b/c/src/lib/libcpu/arm/s3c2400/irq/bsp_irq_asm.S
deleted file mode 100644
index d3df84dd11..0000000000
--- a/c/src/lib/libcpu/arm/s3c2400/irq/bsp_irq_asm.S
+++ /dev/null
@@ -1,40 +0,0 @@
-/* bsp_irq_asm.S
- *
- *  This file contains the implementation of the IRQ handler
- *  for a specific BSP
- *
- *  CopyRight (C) 2000 Canon Research France SA.
- *  Emmanuel Raguet,  mailto:raguet@crf.canon.fr
- *
- *  The license and distribution terms for this file may be
- *  found in found in the file LICENSE in this distribution or at
- *  http://www.rtems.com/license/LICENSE.
- *
- *  $Id$
- */
-
-#define __asm__
-
-/*
- * Function to obtain, execute an IT handler and acknowledge the IT
- */
-
-        .globl bsp_interrupt_dispatch
-
-bsp_interrupt_dispatch :
-
-        ldr     r0, =0x14400014  /* Read rINTOFFSET */
-        ldr     r1, [r0]
-
-        ldr     r0, =bsp_vector_table
-        ldr     r0, [r0, r1, LSL #2]    /* Read the address */
-
-        stmdb     sp!,{lr}
-        ldr     lr, =IRQ_return         /* prepare the return from handler  */
-
-        mov pc, r0
-
-IRQ_return:
-        ldmia sp!,{lr}
-
-        mov pc, lr
diff --git a/c/src/lib/libcpu/arm/s3c2400/irq/bsp_irq_init.c b/c/src/lib/libcpu/arm/s3c2400/irq/bsp_irq_init.c
deleted file mode 100644
index 2e1e0c4ae1..0000000000
--- a/c/src/lib/libcpu/arm/s3c2400/irq/bsp_irq_init.c
+++ /dev/null
@@ -1,37 +0,0 @@
-/* irq_init.c
- *
- *  This file contains the implementation of rtems initialization
- *  related to interrupt handling.
- *
- *  CopyRight (C) 2000 Canon Research Centre France SA.
- *  Emmanuel Raguet, mailto:raguet@crf.canon.fr
- *
- *  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.
- *
- *  $Id$
- */
-#include <irq.h>
-#include <bsp.h>
-#include <s3c2400.h>
-
-extern void default_int_handler();
-
-void BSP_rtems_irq_mngt_init()
-{
-    long *vectorTable;
-    int i;
-
-    vectorTable = (long *) VECTOR_TABLE;
-
-    /* Initialize the vector table contents with default handler */
-    for (i=0; i<BSP_MAX_INT; i++) {
-        *(vectorTable + i) = (long)(default_int_handler);
-    }
-
-    /*
-     * Here is the code to initialize the INT for
-     * the specified BSP
-     */
-}
diff --git a/c/src/lib/libcpu/arm/s3c2400/irq/irq.c b/c/src/lib/libcpu/arm/s3c2400/irq/irq.c
deleted file mode 100644
index 20bcbb409f..0000000000
--- a/c/src/lib/libcpu/arm/s3c2400/irq/irq.c
+++ /dev/null
@@ -1,110 +0,0 @@
-/* irq.c
- *
- *  This file contains the implementation of the function described in irq.h
- *
- *  CopyRight (C) 2000 Canon Research France SA.
- *  Emmanuel Raguet,  mailto:raguet@crf.canon.fr
- *
- *  The license and distribution terms for this file may be
- *  found in found in the file LICENSE in this distribution or at
- *  http://www.rtems.com/license/LICENSE.
- *
- *  $Id$
- */
-
-
-#include <bsp.h>
-#include <irq.h>
-#include <rtems/score/thread.h>
-#include <rtems/score/apiext.h>
-#include <s3c2400.h>
-
-/*
- * This function check that the value given for the irq line
- * is valid.
- */
-
-static int isValidInterrupt(int irq)
-{
-    if ( (irq < 0) || (irq > BSP_MAX_INT)) {
-        return 0;
-    }
-
-    return 1;
-}
-
-/*
- * ------------------- RTEMS Single Irq Handler Mngt Routines ----------------
- */
-
-int BSP_install_rtems_irq_handler  (const rtems_irq_connect_data* irq)
-{
-    rtems_irq_hdl         *HdlTable;
-    rtems_interrupt_level  level;
-
-    if (!isValidInterrupt(irq->name)) {
-        return 0;
-    }
-
-    /*
-     * Check if default handler is actually connected. If not issue an error.
-     */
-    HdlTable = (rtems_irq_hdl *)VECTOR_TABLE;
-    if (*(HdlTable + irq->name) != default_int_handler) {
-        return 0;
-    }
-
-    rtems_interrupt_disable(level);
-
-    /*
-     * store the new handler
-     */
-    *(HdlTable + irq->name) = irq->hdl;
-
-    /*
-     * Enable interrupt on device
-     */
-    if(irq->on)
-    {
-        irq->on(irq);
-    }
-
-    rtems_interrupt_enable(level);
-
-    return 1;
-}
-
-int BSP_remove_rtems_irq_handler  (const rtems_irq_connect_data* irq)
-{
-    rtems_irq_hdl         *HdlTable;
-    rtems_interrupt_level  level;
-
-    if (!isValidInterrupt(irq->name)) {
-        return 0;
-    }
-
-    /*
-     * Check if the handler is actually connected. If not issue an error.
-     */
-    HdlTable = (rtems_irq_hdl *)VECTOR_TABLE;
-    if (*(HdlTable + irq->name) != irq->hdl) {
-        return 0;
-    }
-    rtems_interrupt_disable(level);
-
-    /*
-     * Disable interrupt on device
-     */
-    if(irq->off) {
-        irq->off(irq);
-    }
-
-    /*
-     * restore the default irq value
-     */
-    *(HdlTable + irq->name) = default_int_handler;
-
-    rtems_interrupt_enable(level);
-
-    return 1;
-}
diff --git a/c/src/lib/libcpu/arm/s3c2400/irq/irq.h b/c/src/lib/libcpu/arm/s3c2400/irq/irq.h
deleted file mode 100644
index 1700285df5..0000000000
--- a/c/src/lib/libcpu/arm/s3c2400/irq/irq.h
+++ /dev/null
@@ -1,204 +0,0 @@
-/* irq.h
- *
- *  This include file describe the data structure and the functions implemented
- *  by rtems to write interrupt handlers.
- *
- * Copyright (c) 2000 Canon Research Centre France SA.
- * Emmanuel Raguet, mailto:raguet@crf.canon.fr
- *
- *  The license and distribution terms for this file may be
- *  found in found in the file LICENSE in this distribution or at
- *  http://www.rtems.com/license/LICENSE.
- *
- *  $Id$
- */
-
-#ifndef _IRQ_H_
-#define _IRQ_H_
-
-#ifdef __cplusplus
-extern "C" {
-#endif
-
-/*
- * Include some preprocessor value also used by assember code
- */
-
-#include <rtems.h>
-#include <s3c2400.h>
-
-extern void default_int_handler();
-/*-------------------------------------------------------------------------+
-| Constants
-+--------------------------------------------------------------------------*/
-
-  /* possible interrupt sources */
-#define BSP_EINT0             0
-#define BSP_EINT1             1
-#define BSP_EINT2             2
-#define BSP_EINT3             3
-#define BSP_EINT4             4
-#define BSP_EINT5             5
-#define BSP_EINT6             6
-#define BSP_EINT7             7
-#define BSP_INT_TICK          8
-#define BSP_INT_WDT           9
-#define BSP_INT_TIMER0       10
-#define BSP_INT_TIMER1       11
-#define BSP_INT_TIMER2       12
-#define BSP_INT_TIMER3       13
-#define BSP_INT_TIMER4       14
-#define BSP_INT_UERR01       15
-#define _res0                16
-#define BSP_INT_DMA0         17
-#define BSP_INT_DMA1         18
-#define BSP_INT_DMA2         19
-#define BSP_INT_DMA3         20
-#define BSP_INT_MMC          21
-#define BSP_INT_SPI          22
-#define BSP_INT_URXD0        23
-#define BSP_INT_URXD1        24
-#define BSP_INT_USBD         25
-#define BSP_INT_USBH         26
-#define BSP_INT_IIC          27
-#define BSP_INT_UTXD0        28
-#define BSP_INT_UTXD1        29
-#define BSP_INT_RTC          30
-#define BSP_INT_ADC          31
-#define BSP_MAX_INT          32
-
-extern void *bsp_vector_table;
-#define VECTOR_TABLE &bsp_vector_table
-
-/*
- * Type definition for RTEMS managed interrupts
- */
-typedef unsigned char  rtems_irq_level;
-typedef unsigned char  rtems_irq_trigger;
-
-struct  __rtems_irq_connect_data__;     /* forward declaratiuon */
-typedef unsigned int rtems_irq_number;
-typedef void (*rtems_irq_hdl) (void);
-typedef void (*rtems_irq_enable) (const struct __rtems_irq_connect_data__*);
-typedef void (*rtems_irq_disable) (const struct __rtems_irq_connect_data__*);
-typedef int (*rtems_irq_is_enabled) (const struct __rtems_irq_connect_data__*);
-
-typedef struct __rtems_irq_connect_data__ {
-    /*
-     * IRQ line
-     */
-    rtems_irq_number                    name;
-
-    /*
-     * handler. See comment on handler properties below in function prototype.
-     */
-    rtems_irq_hdl                       hdl;
-
-    /*
-     * function for enabling interrupts at device level (ONLY!).
-     * The BSP code will automatically enable it at i8259s level.
-     * RATIONALE : anyway such code has to exist in current driver code.
-     * It is usually called immediately AFTER connecting the interrupt handler.
-     * RTEMS may well need such a function when restoring normal interrupt
-     * processing after a debug session.
-     *
-     */
-    rtems_irq_enable            on;
-
-    /*
-     * function for disabling interrupts at device level (ONLY!).
-     * The code will disable it at i8259s level. RATIONALE : anyway
-     * such code has to exist for clean shutdown. It is usually called
-     * BEFORE disconnecting the interrupt. RTEMS may well need such
-     * a function when disabling normal interrupt processing for
-     * a debug session. May well be a NOP function.
-     */
-    rtems_irq_disable           off;
-
-    /*
-     * function enabling to know what interrupt may currently occur
-     * if someone manipulates the i8259s interrupt mask without care...
-     */
-    rtems_irq_is_enabled        isOn;
-
-    /*
-     * priority level at the vplus level
-     */
-    rtems_irq_level             irqLevel;
-
-    /*
-     * Trigger way : Rising or falling edge or High or low level
-     */
-    rtems_irq_trigger           irqTrigger;
-
-} rtems_irq_connect_data;
-
-/*-------------------------------------------------------------------------+
-| Function Prototypes.
-+--------------------------------------------------------------------------*/
-/*
- * ------------------ RTEMS Single Irq Handler Mngt Routines ----------------
- */
-
-/*
- * function to initialize the interrupt for a specific BSP
- */
-void BSP_rtems_irq_mngt_init();
-
-
-/*
- * function to connect a particular irq handler. This hanlder will NOT be called
- * directly as the result of the corresponding interrupt. Instead, a RTEMS
- * irq prologue will be called that will :
- *
- *      1) save the C scratch registers,
- *      2) switch to a interrupt stack if the interrupt is not nested,
- *      3) store the current i8259s' interrupt masks
- *      4) modify them to disable the current interrupt at 8259 level (and may
- *      be others depending on software priorities)
- *      5) aknowledge the i8259s',
- *      6) demask the processor,
- *      7) call the application handler
- *
- * As a result the hdl function provided
- *
- *      a) can perfectly be written is C,
- *      b) may also well directly call the part of the RTEMS API that can be used
- *      from interrupt level,
- *      c) It only responsible for handling the jobs that need to be done at
- *      the device level including (aknowledging/re-enabling the interrupt at device,
- *      level, getting the data,...)
- *
- *      When returning from the function, the following will be performed by
- *      the RTEMS irq epilogue :
- *
- *      1) masks the interrupts again,
- *      2) restore the original i8259s' interrupt masks
- *      3) switch back on the orinal stack if needed,
- *      4) perform rescheduling when necessary,
- *      5) restore the C scratch registers...
- *      6) restore initial execution flow
- *
- */
-int BSP_install_rtems_irq_handler       (const rtems_irq_connect_data*);
-
-/*
- * function to get the current RTEMS irq handler for ptr->name. It enables to
- * define hanlder chain...
- */
-int BSP_get_current_rtems_irq_handler   (rtems_irq_connect_data* ptr);
-
-/*
- * function to get disconnect the RTEMS irq handler for ptr->name.
- * This function checks that the value given is the current one for safety reason.
- * The user can use the previous function to get it.
- */
-int BSP_remove_rtems_irq_handler        (const rtems_irq_connect_data*);
-
-
-#ifdef __cplusplus
-}
-#endif
-
-#endif /* _IRQ_H_ */
-/* end of include file */
diff --git a/c/src/lib/libcpu/arm/s3c2400/timer/timer.c b/c/src/lib/libcpu/arm/s3c2400/timer/timer.c
deleted file mode 100644
index 171ce4e5a6..0000000000
--- a/c/src/lib/libcpu/arm/s3c2400/timer/timer.c
+++ /dev/null
@@ -1,108 +0,0 @@
-/*
- * S3C2400 Timer driver
- *
- * This uses timer 1 for timing measurments.
- *
- *  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.
- *
- * Notes:
- *  This file manages the benchmark timer used by the RTEMS Timing Test
- *  Suite.  Each measured time period is demarcated by calls to
- *  benchmark_timer_initialize() and benchmark_timer_read().  benchmark_timer_read() usually returns
- *  the number of microseconds since benchmark_timer_initialize() exitted.
- *
- *  It is important that the timer start/stop overhead be determined
- *  when porting or modifying this code.
- *
- *  $Id$
-*/
-
-#include <rtems.h>
-#include <bsp.h>
-#include <s3c2400.h>
-
-uint32_t g_start;
-uint32_t g_freq;
-
-bool benchmark_timer_find_average_overhead;
-
-
-/*
- * Set up Timer 1
- */
-void benchmark_timer_initialize( void )
-{
-    uint32_t cr;
-
-    /* stop TIMER1*/
-    cr=rTCON & 0xFFFFF0FF;
-    rTCON=(cr | (0x0 << 8));
-
-    /* set MUX for Timer1 to 1/2 */
-    cr=rTCFG1 & 0xFFFFFF0F;
-    rTCFG1=(cr | (0<<4));
-
-    /* input freq=PLCK/2 Mhz*/
-    g_freq = get_PCLK() / 2000;
-    rTCNTB1 = 0xFFFF;
-
-    /* start TIMER1 with manual reload */
-    cr=rTCON & 0xFFFFF0FF;
-    rTCON=(cr | (0x1 << 9));
-    rTCON=(cr | (0x1 << 8));
-
-    g_start =  rTCNTO1;
-}
-
-/*
- *  The following controls the behavior of benchmark_timer_read().
- *
- *  AVG_OVEREHAD 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      0  /* It typically takes X.X microseconds */
-                             /* (Y countdowns) to start/stop the timer. */
-                             /* This value is in microseconds. */
-#define LEAST_VALID       1  /* Don't trust a clicks value lower than this */
-
-int benchmark_timer_read( void )
-{
-    uint32_t t;
-    unsigned long long total;
-
-    t =  rTCNTO1;
-    /*
-     *  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 = (g_start - t);
-
-    /* convert to microseconds */
-    total = (total*1000) / g_freq;
-
-    if ( benchmark_timer_find_average_overhead == 1 ) {
-        return (int) total;
-    } else if ( total < LEAST_VALID ) {
-        return 0;
-    }
-
-    /*
-     *  Somehow convert total into microseconds
-     */
-    return (total - AVG_OVERHEAD);
-}
-
-void benchmark_timer_disable_subtracting_average_overhead(bool find_flag)
-{
-    benchmark_timer_find_average_overhead = find_flag;
-}
-
diff --git a/c/src/lib/libcpu/arm/s3c2410/irq/irq.h b/c/src/lib/libcpu/arm/s3c2410/irq/irq.h
deleted file mode 100644
index de3accbf71..0000000000
--- a/c/src/lib/libcpu/arm/s3c2410/irq/irq.h
+++ /dev/null
@@ -1,202 +0,0 @@
-/* irq.h
- *
- *  This include file describe the data structure and the functions implemented
- *  by rtems to write interrupt handlers.
- *
- * Copyright (c) 2000 Canon Research Centre France SA.
- * Emmanuel Raguet, mailto:raguet@crf.canon.fr
- *
- *  The license and distribution terms for this file may be
- *  found in found in the file LICENSE in this distribution or at
- *  http://www.rtems.com/license/LICENSE.
- *
- *  $Id$
- */
-
-#ifndef _IRQ_H_
-#define _IRQ_H_
-
-#ifdef __cplusplus
-extern "C" {
-#endif
-
-/*
- * Include some preprocessor value also used by assember code
- */
-
-#include <rtems.h>
-#include <s3c2410.h>
-
-extern void default_int_handler();
-/*-------------------------------------------------------------------------+
-| Constants
-+--------------------------------------------------------------------------*/
-
-  /* possible interrupt sources */
-#define BSP_EINT0             0
-#define BSP_EINT1             1
-#define BSP_EINT2             2
-#define BSP_EINT3             3
-#define BSP_EINT4_7           4
-#define BSP_EINT8_23          5
-#define BSP_nBATT_FLT         7
-#define BSP_INT_TICK          8
-#define BSP_INT_WDT           9
-#define BSP_INT_TIMER0       10
-#define BSP_INT_TIMER1       11
-#define BSP_INT_TIMER2       12
-#define BSP_INT_TIMER3       13
-#define BSP_INT_TIMER4       14
-#define BSP_INT_UART2        15
-#define BSP_INT_LCD          16
-#define BSP_INT_DMA0         17
-#define BSP_INT_DMA1         18
-#define BSP_INT_DMA2         19
-#define BSP_INT_DMA3         20
-#define BSP_INT_SDI          21
-#define BSP_INT_SPI0         22
-#define BSP_INT_UART1        23
-#define BSP_INT_USBD         25
-#define BSP_INT_USBH         26
-#define BSP_INT_IIC          27
-#define BSP_INT_UART0        28
-#define BSP_INT_SPI1         29
-#define BSP_INT_RTC          30
-#define BSP_INT_ADC          31
-#define BSP_MAX_INT          32
-
-extern void *bsp_vector_table;
-#define VECTOR_TABLE &bsp_vector_table
-
-/*
- * Type definition for RTEMS managed interrupts
- */
-typedef unsigned char  rtems_irq_level;
-typedef unsigned char  rtems_irq_trigger;
-
-struct  __rtems_irq_connect_data__;     /* forward declaratiuon */
-typedef unsigned int rtems_irq_number;
-typedef void (*rtems_irq_hdl) (void);
-typedef void (*rtems_irq_enable) (const struct __rtems_irq_connect_data__*);
-typedef void (*rtems_irq_disable) (const struct __rtems_irq_connect_data__*);
-typedef int (*rtems_irq_is_enabled) (const struct __rtems_irq_connect_data__*);
-
-typedef struct __rtems_irq_connect_data__ {
-    /*
-     * IRQ line
-     */
-    rtems_irq_number                    name;
-
-    /*
-     * handler. See comment on handler properties below in function prototype.
-     */
-    rtems_irq_hdl                       hdl;
-
-    /*
-     * function for enabling interrupts at device level (ONLY!).
-     * The BSP code will automatically enable it at i8259s level.
-     * RATIONALE : anyway such code has to exist in current driver code.
-     * It is usually called immediately AFTER connecting the interrupt handler.
-     * RTEMS may well need such a function when restoring normal interrupt
-     * processing after a debug session.
-     *
-     */
-    rtems_irq_enable            on;
-
-    /*
-     * function for disabling interrupts at device level (ONLY!).
-     * The code will disable it at i8259s level. RATIONALE : anyway
-     * such code has to exist for clean shutdown. It is usually called
-     * BEFORE disconnecting the interrupt. RTEMS may well need such
-     * a function when disabling normal interrupt processing for
-     * a debug session. May well be a NOP function.
-     */
-    rtems_irq_disable           off;
-
-    /*
-     * function enabling to know what interrupt may currently occur
-     * if someone manipulates the i8259s interrupt mask without care...
-     */
-    rtems_irq_is_enabled        isOn;
-
-    /*
-     * priority level at the vplus level
-     */
-    rtems_irq_level             irqLevel;
-
-    /*
-     * Trigger way : Rising or falling edge or High or low level
-     */
-    rtems_irq_trigger           irqTrigger;
-
-} rtems_irq_connect_data;
-
-/*-------------------------------------------------------------------------+
-| Function Prototypes.
-+--------------------------------------------------------------------------*/
-/*
- * ------------------ RTEMS Single Irq Handler Mngt Routines ----------------
- */
-
-/*
- * function to initialize the interrupt for a specific BSP
- */
-void BSP_rtems_irq_mngt_init();
-
-
-/*
- * function to connect a particular irq handler. This hanlder will NOT be called
- * directly as the result of the corresponding interrupt. Instead, a RTEMS
- * irq prologue will be called that will :
- *
- *      1) save the C scratch registers,
- *      2) switch to a interrupt stack if the interrupt is not nested,
- *      3) store the current i8259s' interrupt masks
- *      4) modify them to disable the current interrupt at 8259 level (and may
- *      be others depending on software priorities)
- *      5) aknowledge the i8259s',
- *      6) demask the processor,
- *      7) call the application handler
- *
- * As a result the hdl function provided
- *
- *      a) can perfectly be written is C,
- *      b) may also well directly call the part of the RTEMS API that can be used
- *      from interrupt level,
- *      c) It only responsible for handling the jobs that need to be done at
- *      the device level including (aknowledging/re-enabling the interrupt at device,
- *      level, getting the data,...)
- *
- *      When returning from the function, the following will be performed by
- *      the RTEMS irq epilogue :
- *
- *      1) masks the interrupts again,
- *      2) restore the original i8259s' interrupt masks
- *      3) switch back on the orinal stack if needed,
- *      4) perform rescheduling when necessary,
- *      5) restore the C scratch registers...
- *      6) restore initial execution flow
- *
- */
-int BSP_install_rtems_irq_handler       (const rtems_irq_connect_data*);
-
-/*
- * function to get the current RTEMS irq handler for ptr->name. It enables to
- * define hanlder chain...
- */
-int BSP_get_current_rtems_irq_handler   (rtems_irq_connect_data* ptr);
-
-/*
- * function to get disconnect the RTEMS irq handler for ptr->name.
- * This function checks that the value given is the current one for safety reason.
- * The user can use the previous function to get it.
- */
-int BSP_remove_rtems_irq_handler        (const rtems_irq_connect_data*);
-
-
-#ifdef __cplusplus
-}
-#endif
-
-#endif /* _IRQ_H_ */
-/* end of include file */
diff --git a/c/src/lib/libcpu/arm/s3c24xx/clock/clockdrv.c b/c/src/lib/libcpu/arm/s3c24xx/clock/clockdrv.c
index 04edef54cf..76ff9376e1 100644
--- a/c/src/lib/libcpu/arm/s3c24xx/clock/clockdrv.c
+++ b/c/src/lib/libcpu/arm/s3c24xx/clock/clockdrv.c
@@ -26,11 +26,11 @@ static int clock_isr_is_on(const rtems_irq_connect_data *irq);
 /* Replace the first value with the clock's interrupt name. */
 rtems_irq_connect_data clock_isr_data = {BSP_INT_TIMER4,
                                          (rtems_irq_hdl)Clock_isr,
+					 NULL,
                                          clock_isr_on,
                                          clock_isr_off,
-                                         clock_isr_is_on,
-                                         3,     /* unused for ARM cpus */
-                                         0 };   /* unused for ARM cpus */
+                                         clock_isr_is_on
+};
 
 /* If you follow the code, this is never used, so any value
  * should work
diff --git a/c/src/lib/libcpu/arm/s3c2400/include/s3c2400.h b/c/src/lib/libcpu/arm/s3c24xx/include/s3c2400.h
index b8243a7790..092dcffe5c 100644
--- a/c/src/lib/libcpu/arm/s3c2400/include/s3c2400.h
+++ b/c/src/lib/libcpu/arm/s3c24xx/include/s3c2400.h
@@ -8,6 +8,8 @@
 #ifndef S3C2400_H_
 #define S3C2400_H_
 
+/* to be used in assembly code */
+#define rINTOFFSET_ADDR 0x14400014
 /* Memory control */
 #define rBWSCON         (*(volatile unsigned *)0x14000000)
 #define rBANKCON0       (*(volatile unsigned *)0x14000004)
@@ -427,7 +429,7 @@
                  }
 /* Wait until rINTPND is changed for the case that the ISR is very short. */
 
-#ifndef __asm__
+#ifndef ASM
 /* Typedefs */
 typedef union {
   struct _reg {
@@ -654,7 +656,7 @@ typedef union {
   } reg;
   unsigned long all;
 } IISSFIF;
-#endif //__asm__
+#endif //ASM
 
 #define LCD_WIDTH 240
 #define LCD_HEIGHT 320
diff --git a/c/src/lib/libcpu/arm/s3c2410/include/s3c2410.h b/c/src/lib/libcpu/arm/s3c24xx/include/s3c2410.h
index 4e064a1805..d11bcf9d21 100644
--- a/c/src/lib/libcpu/arm/s3c2410/include/s3c2410.h
+++ b/c/src/lib/libcpu/arm/s3c24xx/include/s3c2410.h
@@ -7,6 +7,9 @@
 
 #ifndef S3C2410_H_
 #define S3C2410_H_
+
+/* to be used in assembly code */
+#define rINTOFFSET_ADDR 0x4A000014
 /* Memory control */
 #define rBWSCON         (*(volatile unsigned *)0x48000000)
 #define rBANKCON0       (*(volatile unsigned *)0x48000004)
@@ -576,7 +579,7 @@
                  rINTPND;\
                  }
 /* Wait until rINTPND is changed for the case that the ISR is very short. */
-#ifndef __asm__
+#ifndef ASM
 /* Typedefs */
 typedef union {
   struct _reg {
@@ -802,7 +805,7 @@ typedef union {
   } reg;
   unsigned long all;
 } IISSFIF;
-#endif //__asm__
+#endif //ASM
 
 #define LCD_WIDTH 240
 #define LCD_HEIGHT 320
diff --git a/c/src/lib/libcpu/arm/s3c2410/irq/bsp_irq_asm.S b/c/src/lib/libcpu/arm/s3c24xx/irq/bsp_irq_asm.S
index b381bbd471..78d0c5ce44 100644
--- a/c/src/lib/libcpu/arm/s3c2410/irq/bsp_irq_asm.S
+++ b/c/src/lib/libcpu/arm/s3c24xx/irq/bsp_irq_asm.S
@@ -6,6 +6,8 @@
  *  CopyRight (C) 2000 Canon Research France SA.
  *  Emmanuel Raguet,  mailto:raguet@crf.canon.fr
  *
+ * merged to common file for s32400 and s32410 by Thomas Doerfler, embedded brains
+ *
  *  The license and distribution terms for this file may be
  *  found in found in the file LICENSE in this distribution or at
  *  http://www.rtems.com/license/LICENSE.
@@ -13,7 +15,7 @@
  *  $Id$
  */
 
-#define __asm__
+#include <s3c24xx.h>
 
 /*
  * Function to obtain, execute an IT handler and acknowledge the IT
@@ -23,7 +25,7 @@
 
 bsp_interrupt_dispatch :
 
-        ldr     r0, =0x4A000014 /* Read rINTOFFSET */
+        ldr     r0, =rINTOFFSET_ADDR /* Read rINTOFFSET */
         ldr     r1, [r0]
 
         ldr     r0, =bsp_vector_table
diff --git a/c/src/lib/libcpu/arm/s3c24xx/irq/bsp_irq_init.c b/c/src/lib/libcpu/arm/s3c24xx/irq/bsp_irq_init.c
index d4a9f4ebdb..97c24c4fb4 100644
--- a/c/src/lib/libcpu/arm/s3c24xx/irq/bsp_irq_init.c
+++ b/c/src/lib/libcpu/arm/s3c24xx/irq/bsp_irq_init.c
@@ -16,8 +16,6 @@
 #include <bsp.h>
 #include <s3c24xx.h>
 
-extern void default_int_handler(void);
-
 void BSP_rtems_irq_mngt_init(void)
 {
     long *vectorTable;
diff --git a/c/src/lib/libcpu/arm/s3c24xx/irq/irq.h b/c/src/lib/libcpu/arm/s3c24xx/irq/irq.h
index b8f2868f28..5870f06377 100644
--- a/c/src/lib/libcpu/arm/s3c24xx/irq/irq.h
+++ b/c/src/lib/libcpu/arm/s3c24xx/irq/irq.h
@@ -1,16 +1,117 @@
 /* irq.h
  *
- *  Note: This file will not be compiled, it just a place holder by now
+ *  Common file, merged from s3c2400/irq/irq.h and s3c2410/irq/irq.h
  */
 
 #ifndef _IRQ_H_
 #define _IRQ_H_
+#ifdef __cplusplus
+extern "C" {
+#endif
 
-// This file is a place holder
-// The real irq.h preinstalled is s3c2410/irq/irq.h and s3c2410/irq/irq.h
-// change/refer to this files
-// TODO: clean irq.h in ARM BSP. there is lots of duplicated codes in cpu_name/irq/irq.h with cpukit/include/rtems/irq.h
-//
+/*
+ * Include some preprocessor value also used by assember code
+ */
+
+#include <rtems/irq.h>
+#include <rtems.h>
+#include <s3c24xx.h>
+
+extern void default_int_handler(rtems_irq_hdl_param unused);
+/*-------------------------------------------------------------------------+
+| Constants
++--------------------------------------------------------------------------*/
+
+#ifdef CPU_S3C2400
+  /* possible interrupt sources */
+#define BSP_EINT0             0
+#define BSP_EINT1             1
+#define BSP_EINT2             2
+#define BSP_EINT3             3
+#define BSP_EINT4             4
+#define BSP_EINT5             5
+#define BSP_EINT6             6
+#define BSP_EINT7             7
+#define BSP_INT_TICK          8
+#define BSP_INT_WDT           9
+#define BSP_INT_TIMER0       10
+#define BSP_INT_TIMER1       11
+#define BSP_INT_TIMER2       12
+#define BSP_INT_TIMER3       13
+#define BSP_INT_TIMER4       14
+#define BSP_INT_UERR01       15
+#define _res0                16
+#define BSP_INT_DMA0         17
+#define BSP_INT_DMA1         18
+#define BSP_INT_DMA2         19
+#define BSP_INT_DMA3         20
+#define BSP_INT_MMC          21
+#define BSP_INT_SPI          22
+#define BSP_INT_URXD0        23
+#define BSP_INT_URXD1        24
+#define BSP_INT_USBD         25
+#define BSP_INT_USBH         26
+#define BSP_INT_IIC          27
+#define BSP_INT_UTXD0        28
+#define BSP_INT_UTXD1        29
+#define BSP_INT_RTC          30
+#define BSP_INT_ADC          31
+#define BSP_MAX_INT          32
+
+#elif defined CPU_S3C2410
+  /* possible interrupt sources */
+#define BSP_EINT0             0
+#define BSP_EINT1             1
+#define BSP_EINT2             2
+#define BSP_EINT3             3
+#define BSP_EINT4_7           4
+#define BSP_EINT8_23          5
+#define BSP_nBATT_FLT         7
+#define BSP_INT_TICK          8
+#define BSP_INT_WDT           9
+#define BSP_INT_TIMER0       10
+#define BSP_INT_TIMER1       11
+#define BSP_INT_TIMER2       12
+#define BSP_INT_TIMER3       13
+#define BSP_INT_TIMER4       14
+#define BSP_INT_UART2        15
+#define BSP_INT_LCD          16
+#define BSP_INT_DMA0         17
+#define BSP_INT_DMA1         18
+#define BSP_INT_DMA2         19
+#define BSP_INT_DMA3         20
+#define BSP_INT_SDI          21
+#define BSP_INT_SPI0         22
+#define BSP_INT_UART1        23
+#define BSP_INT_USBD         25
+#define BSP_INT_USBH         26
+#define BSP_INT_IIC          27
+#define BSP_INT_UART0        28
+#define BSP_INT_SPI1         29
+#define BSP_INT_RTC          30
+#define BSP_INT_ADC          31
+#define BSP_MAX_INT          32
+#endif
+
+extern void *bsp_vector_table;
+#define VECTOR_TABLE &bsp_vector_table
+
+/*-------------------------------------------------------------------------+
+| Function Prototypes.
++--------------------------------------------------------------------------*/
+/*
+ * ------------------ RTEMS Single Irq Handler Mngt Routines ----------------
+ */
+
+/*
+ * function to initialize the interrupt for a specific BSP
+ */
+void BSP_rtems_irq_mngt_init();
+
+
+#ifdef __cplusplus
+}
+#endif
 
 #endif /* _IRQ_H_ */
 /* end of include file */