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authorTsiChungLiew <Tsi-Chung.Liew@freescale.com>2007-07-05 23:10:40 -0500
committerJohn Rigby <jrigby@freescale.com>2007-07-10 14:29:09 -0600
commit2e3f25ae9082daa9f5d181db45dfbc2e52ce0f97 (patch)
tree623b7791338652474fa7d506852b7734232143ef /cpu/mcf532x
parentddd104f1ed655eda50c06ba636237a83ed943f34 (diff)
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Create interrupts.c and modify Makefile
interrupt_init() and dtimer_intr_setup() are placed in interrupts.c. Added interrupts.o to Makefile Signed-off-by: TsiChungLiew <Tsi-Chung.Liew@freescale.com>
Diffstat (limited to 'cpu/mcf532x')
-rw-r--r--cpu/mcf532x/Makefile2
-rw-r--r--cpu/mcf532x/interrupts.c49
2 files changed, 50 insertions, 1 deletions
diff --git a/cpu/mcf532x/Makefile b/cpu/mcf532x/Makefile
index 452848d..6790d90 100644
--- a/cpu/mcf532x/Makefile
+++ b/cpu/mcf532x/Makefile
@@ -28,7 +28,7 @@ include $(TOPDIR)/config.mk
LIB = lib$(CPU).a
START =
-COBJS = cpu.o speed.o cpu_init.o
+COBJS = cpu.o speed.o cpu_init.o interrupts.o
SRCS := $(START:.o=.S) $(SOBJS:.o=.S) $(COBJS:.o=.c)
OBJS := $(addprefix $(obj),$(SOBJS) $(COBJS))
diff --git a/cpu/mcf532x/interrupts.c b/cpu/mcf532x/interrupts.c
new file mode 100644
index 0000000..ff50d7d
--- /dev/null
+++ b/cpu/mcf532x/interrupts.c
@@ -0,0 +1,49 @@
+/*
+ *
+ * Copyright (C) 2004-2007 Freescale Semiconductor, Inc.
+ * TsiChung Liew (Tsi-Chung.Liew@freescale.com)
+ *
+ * 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
+ */
+
+/* CPU specific interrupt routine */
+#include <common.h>
+#include <asm/immap.h>
+
+int interrupt_init(void)
+{
+ volatile int0_t *intp = (int0_t *) (CFG_INTR_BASE);
+
+ /* Make sure all interrupts are disabled */
+ intp->imrh0 |= 0xFFFFFFFF;
+ intp->imrl0 |= 0xFFFFFFFF;
+
+ enable_interrupts();
+ return 0;
+}
+
+#if defined(CONFIG_MCFTMR)
+void dtimer_intr_setup(void)
+{
+ volatile int0_t *intp = (int0_t *) (CFG_INTR_BASE);
+
+ intp->icr0[CFG_TMRINTR_NO] = CFG_TMRINTR_PRI;
+ intp->imrh0 &= ~CFG_TMRINTR_MASK;
+}
+#endif