From 8d460a573e2a2ac4834636903865a0428ad0e629 Mon Sep 17 00:00:00 2001
From: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
Date: Tue, 23 Jun 2009 00:12:01 +0200
Subject: [PATCH] S3C24x0: extract interrupts from timer

Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
---
 cpu/arm920t/interrupts.c         |  8 ++----
 cpu/arm920t/s3c24x0/Makefile     | 14 +++++-----
 cpu/arm920t/s3c24x0/interrupts.c | 46 ++++++++++++++++++++++++++++++++
 cpu/arm920t/s3c24x0/timer.c      |  9 -------
 include/common.h                 |  2 --
 5 files changed, 56 insertions(+), 23 deletions(-)
 create mode 100644 cpu/arm920t/s3c24x0/interrupts.c

diff --git a/cpu/arm920t/interrupts.c b/cpu/arm920t/interrupts.c
index 539eb5c451..561083ec73 100644
--- a/cpu/arm920t/interrupts.c
+++ b/cpu/arm920t/interrupts.c
@@ -32,16 +32,12 @@
 #include <common.h>
 #include <asm/proc-armv/ptrace.h>
 
+#if defined (CONFIG_ARCH_INTEGRATOR)
 void do_irq (struct pt_regs *pt_regs)
 {
-#if defined (ARM920_IRQ_CALLBACK)
-	ARM920_IRQ_CALLBACK();
-#elif defined (CONFIG_ARCH_INTEGRATOR)
 	/* ASSUMED to be a timer interrupt  */
 	/* Just clear it - count handled in */
 	/* integratorap.c                   */
 	*(volatile ulong *)(CONFIG_SYS_TIMERBASE + 0x0C) = 0;
-#else
-#error do_irq() not defined for this cpu type
-#endif
 }
+#endif
diff --git a/cpu/arm920t/s3c24x0/Makefile b/cpu/arm920t/s3c24x0/Makefile
index 5d2be2c1b2..7e8d6ed5f2 100644
--- a/cpu/arm920t/s3c24x0/Makefile
+++ b/cpu/arm920t/s3c24x0/Makefile
@@ -25,13 +25,15 @@ include $(TOPDIR)/config.mk
 
 LIB	= $(obj)lib$(SOC).a
 
-COBJS	+= speed.o
-COBJS	+= timer.o
-COBJS	+= usb.o
-COBJS	+= usb_ohci.o
+COBJS-$(CONFIG_USE_IRQ) += interrupts.o
+COBJS-y	+= speed.o
+COBJS-y	+= timer.o
+COBJS-y	+= usb.o
+COBJS-y	+= usb_ohci.o
 
-SRCS	:= $(SOBJS:.o=.S) $(COBJS:.o=.c)
-OBJS	:= $(addprefix $(obj),$(SOBJS) $(COBJS))
+
+SRCS	:= $(SOBJS:.o=.S) $(COBJS-y:.o=.c)
+OBJS	:= $(addprefix $(obj),$(SOBJS) $(COBJS-y))
 
 all:	$(obj).depend $(LIB)
 
diff --git a/cpu/arm920t/s3c24x0/interrupts.c b/cpu/arm920t/s3c24x0/interrupts.c
new file mode 100644
index 0000000000..11ec95e126
--- /dev/null
+++ b/cpu/arm920t/s3c24x0/interrupts.c
@@ -0,0 +1,46 @@
+/*
+ * (C) Copyright 2002
+ * Sysgo Real-Time Solutions, GmbH <www.elinos.com>
+ * Marius Groeger <mgroeger@sysgo.de>
+ *
+ * (C) Copyright 2002
+ * Sysgo Real-Time Solutions, GmbH <www.elinos.com>
+ * Alex Zuepke <azu@sysgo.de>
+ *
+ * (C) Copyright 2002
+ * Gary Jennejohn, DENX Software Engineering, <gj@denx.de>
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * 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.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+#include <common.h>
+
+#if defined(CONFIG_S3C2400)
+#include <s3c2400.h>
+#elif defined(CONFIG_S3C2410)
+#include <s3c2410.h>
+#endif
+#include <asm/proc-armv/ptrace.h>
+
+void do_irq (struct pt_regs *pt_regs)
+{
+	S3C24X0_INTERRUPT * irq = S3C24X0_GetBase_INTERRUPT();
+	u_int32_t intpnd = irq->INTPND;
+
+}
diff --git a/cpu/arm920t/s3c24x0/timer.c b/cpu/arm920t/s3c24x0/timer.c
index f0a09cddff..c8c7cdb520 100644
--- a/cpu/arm920t/s3c24x0/timer.c
+++ b/cpu/arm920t/s3c24x0/timer.c
@@ -215,13 +215,4 @@ void reset_cpu (ulong ignored)
 	/*NOTREACHED*/
 }
 
-#ifdef CONFIG_USE_IRQ
-void s3c2410_irq(void)
-{
-	S3C24X0_INTERRUPT * irq = S3C24X0_GetBase_INTERRUPT();
-	u_int32_t intpnd = irq->INTPND;
-
-}
-#endif /* USE_IRQ */
-
 #endif /* defined(CONFIG_S3C2400) || defined (CONFIG_S3C2410) || defined (CONFIG_TRAB) */
diff --git a/include/common.h b/include/common.h
index ff4f821dd2..6284b8aff8 100644
--- a/include/common.h
+++ b/include/common.h
@@ -493,8 +493,6 @@ ulong	get_PCI_freq (void);
 #endif
 #if defined(CONFIG_S3C2400) || defined(CONFIG_S3C2410) || \
 	defined(CONFIG_LH7A40X) || defined(CONFIG_S3C6400)
-void	s3c2410_irq(void);
-#define ARM920_IRQ_CALLBACK s3c2410_irq
 ulong	get_FCLK (void);
 ulong	get_HCLK (void);
 ulong	get_PCLK (void);
-- 
2.39.2