arm: unify interrupt init

all arm init the IRQ stack the same way
so unify it in lib_arm/interrupts.c and then call arch specific interrupt init
Signed-off-by: NJean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>

cpu/arm1136/cpu.c

@@ -35,21 +35,10 @@
 #include <command.h>
 #include <asm/system.h>
 
-#ifdef CONFIG_USE_IRQ
-DECLARE_GLOBAL_DATA_PTR;
-#endif
-
 static void cache_flush(void);
 
 int cpu_init (void)
 {
-	/*
-	 * setup up stacks if necessary
-	 */
-#ifdef CONFIG_USE_IRQ
-	IRQ_STACK_START = _armboot_start - CONFIG_SYS_MALLOC_LEN - CONFIG_SYS_GBL_DATA_SIZE - 4;
-	FIQ_STACK_START = IRQ_STACK_START - CONFIG_STACKSIZE_IRQ;
-#endif
 	return 0;
 }
 

cpu/arm720t/cpu.c

@@ -42,13 +42,6 @@ static void cache_flush(void);
 
 int cpu_init (void)
 {
-	/*
-	 * setup up stacks if necessary
-	 */
-#ifdef CONFIG_USE_IRQ
-	IRQ_STACK_START = _armboot_start - CONFIG_SYS_MALLOC_LEN - CONFIG_SYS_GBL_DATA_SIZE - 4;
-	FIQ_STACK_START = IRQ_STACK_START - CONFIG_STACKSIZE_IRQ;
-#endif
 	return 0;
 }
 

cpu/arm720t/interrupts.c

@@ -111,7 +111,7 @@ static ulong timestamp;
 static ulong lastdec;
 
 #if defined(CONFIG_USE_IRQ) && defined(CONFIG_S3C4510B)
-int interrupt_init (void)
+int arch_interrupt_init (void)
 {
 	int i;
 

cpu/arm920t/cpu.c

@@ -33,21 +33,10 @@
 #include <command.h>
 #include <asm/system.h>
 
-#ifdef CONFIG_USE_IRQ
-DECLARE_GLOBAL_DATA_PTR;
-#endif
-
 static void cache_flush(void);
 
 int cpu_init (void)
 {
-	/*
-	 * setup up stacks if necessary
-	 */
-#ifdef CONFIG_USE_IRQ
-	IRQ_STACK_START = _armboot_start - CONFIG_SYS_MALLOC_LEN - CONFIG_SYS_GBL_DATA_SIZE - 4;
-	FIQ_STACK_START = IRQ_STACK_START - CONFIG_STACKSIZE_IRQ;
-#endif
 	return 0;
 }
 

cpu/arm925t/cpu.c

@@ -34,21 +34,10 @@
 #include <arm925t.h>
 #include <asm/system.h>
 
-#ifdef CONFIG_USE_IRQ
-DECLARE_GLOBAL_DATA_PTR;
-#endif
-
 static void cache_flush(void);
 
 int cpu_init (void)
 {
-	/*
-	 * setup up stacks if necessary
-	 */
-#ifdef CONFIG_USE_IRQ
-	IRQ_STACK_START = _armboot_start - CONFIG_SYS_MALLOC_LEN - CONFIG_SYS_GBL_DATA_SIZE - 4;
-	FIQ_STACK_START = IRQ_STACK_START - CONFIG_STACKSIZE_IRQ;
-#endif
 	return 0;
 }
 

cpu/arm926ejs/cpu.c

@@ -33,21 +33,10 @@
 #include <command.h>
 #include <asm/system.h>
 
-#ifdef CONFIG_USE_IRQ
-DECLARE_GLOBAL_DATA_PTR;
-#endif
-
 static void cache_flush(void);
 
 int cpu_init (void)
 {
-	/*
-	 * setup up stacks if necessary
-	 */
-#ifdef CONFIG_USE_IRQ
-	IRQ_STACK_START = _armboot_start - CONFIG_SYS_MALLOC_LEN - CONFIG_SYS_GBL_DATA_SIZE - 4;
-	FIQ_STACK_START = IRQ_STACK_START - CONFIG_STACKSIZE_IRQ;
-#endif
 	return 0;
 }
 

cpu/arm946es/cpu.c

@@ -33,21 +33,10 @@
 #include <command.h>
 #include <asm/system.h>
 
-#ifdef CONFIG_USE_IRQ
-DECLARE_GLOBAL_DATA_PTR;
-#endif
-
 static void cache_flush(void);
 
 int cpu_init (void)
 {
-	/*
-	 * setup up stacks if necessary
-	 */
-#ifdef CONFIG_USE_IRQ
-	IRQ_STACK_START = _armboot_start - CONFIG_SYS_MALLOC_LEN - CONFIG_SYS_GBL_DATA_SIZE - 4;
-	FIQ_STACK_START = IRQ_STACK_START - CONFIG_STACKSIZE_IRQ;
-#endif
 	return 0;
 }
 

cpu/arm_cortexa8/cpu.c

@@ -36,10 +36,6 @@
 #include <asm/arch/sys_proto.h>
 #include <asm/system.h>
 
-#ifdef CONFIG_USE_IRQ
-DECLARE_GLOBAL_DATA_PTR;
-#endif
-
 #ifndef CONFIG_L2_OFF
 void l2cache_disable(void);
 #endif
@@ -48,14 +44,6 @@ static void cache_flush(void);
 
 int cpu_init(void)
 {
-	/*
-	 * setup up stacks if necessary
-	 */
-#ifdef CONFIG_USE_IRQ
-	IRQ_STACK_START =
-	    _armboot_start - CONFIG_SYS_MALLOC_LEN - CONFIG_SYS_GBL_DATA_SIZE - 4;
-	FIQ_STACK_START = IRQ_STACK_START - CONFIG_STACKSIZE_IRQ;
-#endif
 	return 0;
 }
 

cpu/arm_intcm/cpu.c

@@ -33,19 +33,8 @@
 #include <common.h>
 #include <command.h>
 
-#ifdef CONFIG_USE_IRQ
-DECLARE_GLOBAL_DATA_PTR;
-#endif
-
 int cpu_init (void)
 {
-	/*
-	 * setup up stacks if necessary
-	 */
-#ifdef CONFIG_USE_IRQ
-	IRQ_STACK_START = _armboot_start - CONFIG_SYS_MALLOC_LEN - CONFIG_SYS_GBL_DATA_SIZE - 4;
-	FIQ_STACK_START = IRQ_STACK_START - CONFIG_STACKSIZE_IRQ;
-#endif
 	return 0;
 }
 

cpu/ixp/cpu.c

@@ -38,10 +38,6 @@
 
 ulong loops_per_jiffy;
 
-#ifdef CONFIG_USE_IRQ
-DECLARE_GLOBAL_DATA_PTR;
-#endif
-
 static void cache_flush(void);
 
 #if defined(CONFIG_DISPLAY_CPUINFO)
@@ -81,14 +77,6 @@ int print_cpuinfo (void)
 
 int cpu_init (void)
 {
-	/*
-	 * setup up stacks if necessary
-	 */
-#ifdef CONFIG_USE_IRQ
-	IRQ_STACK_START = _armboot_start - CONFIG_SYS_MALLOC_LEN - CONFIG_SYS_GBL_DATA_SIZE - 4;
-	FIQ_STACK_START = IRQ_STACK_START - CONFIG_STACKSIZE_IRQ;
-#endif
-
 	return 0;
 }
 

cpu/ixp/interrupts.c

@@ -67,7 +67,7 @@ void irq_install_handler (int irq, interrupt_handler_t handle_irq, void *data)
 	IRQ_HANDLER[irq].m_func = handle_irq;
 }
 
-int interrupt_init (void)
+int arch_interrupt_init (void)
 {
 	int i;
 

cpu/lh7a40x/cpu.c

@@ -33,21 +33,10 @@
 #include <command.h>
 #include <asm/system.h>
 
-#ifdef CONFIG_USE_IRQ
-DECLARE_GLOBAL_DATA_PTR;
-#endif
-
 static void cache_flush(void);
 
 int cpu_init (void)
 {
-	/*
-	 * setup up stacks if necessary
-	 */
-#ifdef CONFIG_USE_IRQ
-	IRQ_STACK_START = _armboot_start - CONFIG_SYS_MALLOC_LEN - CONFIG_SYS_GBL_DATA_SIZE - 4;
-	FIQ_STACK_START = IRQ_STACK_START - CONFIG_STACKSIZE_IRQ;
-#endif
 	return 0;
 }
 

cpu/pxa/cpu.c

@@ -35,21 +35,10 @@
 #include <asm/arch/pxa-regs.h>
 #include <asm/system.h>
 
-#ifdef CONFIG_USE_IRQ
-DECLARE_GLOBAL_DATA_PTR;
-#endif
-
 static void cache_flush(void);
 
 int cpu_init (void)
 {
-	/*
-	 * setup up stacks if necessary
-	 */
-#ifdef CONFIG_USE_IRQ
-	IRQ_STACK_START = _armboot_start - CONFIG_SYS_MALLOC_LEN - CONFIG_SYS_GBL_DATA_SIZE - 4;
-	FIQ_STACK_START = IRQ_STACK_START - CONFIG_STACKSIZE_IRQ;
-#endif
 	return 0;
 }
 

cpu/sa1100/cpu.c

@@ -42,13 +42,6 @@ static void cache_flush(void);
 
 int cpu_init (void)
 {
-	/*
-	 * setup up stacks if necessary
-	 */
-#ifdef CONFIG_USE_IRQ
-	IRQ_STACK_START = _armboot_start - CONFIG_SYS_MALLOC_LEN - CONFIG_SYS_GBL_DATA_SIZE - 4;
-	FIQ_STACK_START = IRQ_STACK_START - CONFIG_STACKSIZE_IRQ;
-#endif
 	return 0;
 }
 

include/asm-arm/u-boot-arm.h

@@ -58,6 +58,7 @@ void	setup_revision_tag (struct tag **params);
 int	setenv		(char *, char *);
 
 /* cpu/.../interrupt.c */
+int	arch_interrupt_init	(void);
 void	reset_timer_masked	(void);
 ulong	get_timer_masked	(void);
 void	udelay_masked		(unsigned long usec);

lib_arm/interrupts.c

@@ -39,6 +39,19 @@
 #include <asm/proc-armv/ptrace.h>
 
 #ifdef CONFIG_USE_IRQ
+DECLARE_GLOBAL_DATA_PTR;
+
+int interrupt_init (void)
+{
+	/*
+	 * setup up stacks if necessary
+	 */
+	IRQ_STACK_START = _armboot_start - CONFIG_SYS_MALLOC_LEN - CONFIG_SYS_GBL_DATA_SIZE - 4;
+	FIQ_STACK_START = IRQ_STACK_START - CONFIG_STACKSIZE_IRQ;
+
+	return arch_interrupt_init();
+}
+
 /* enable IRQ interrupts */
 void enable_interrupts (void)
 {