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authorNobuhiro Iwamatsu <iwamatsu.nobuhiro@renesas.com>2008-06-06 17:04:56 +0900
committerPaul Mundt <lethal@linux-sh.org>2008-07-28 18:10:30 +0900
commit4cec1a37ba7d9dce6ed5d8259b95272100a98b1f (patch)
tree25cf527d6e60a609257a8b578d8f0d0690cfce70 /arch/sh/boards/renesas/sh7763rdp/irq.c
parentc63847a3621d2bac054f5709783860ecabd0ee7e (diff)
sh: Renesas Solutions SH7763RDP board support
This patch adds basic support for the SH7763RDP board. This supports a basic stuff provided in SH7763, like SCIF, NOR Flash and USB host. Signed-off-by: Nobuhiro Iwamatsu <iwamatsu.nobuhiro@renesas.com> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
Diffstat (limited to 'arch/sh/boards/renesas/sh7763rdp/irq.c')
-rw-r--r--arch/sh/boards/renesas/sh7763rdp/irq.c45
1 files changed, 45 insertions, 0 deletions
diff --git a/arch/sh/boards/renesas/sh7763rdp/irq.c b/arch/sh/boards/renesas/sh7763rdp/irq.c
new file mode 100644
index 00000000000..fd850bad2de
--- /dev/null
+++ b/arch/sh/boards/renesas/sh7763rdp/irq.c
@@ -0,0 +1,45 @@
+/*
+ * linux/arch/sh/boards/renesas/sh7763rdp/irq.c
+ *
+ * Renesas Solutions SH7763RDP Support.
+ *
+ * Copyright (C) 2008 Renesas Solutions Corp.
+ * Copyright (C) 2008 Nobuhiro Iwamatsu <iwamatsu.nobuhiro@renesas.com>
+ *
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License. See the file "COPYING" in the main directory of this archive
+ * for more details.
+ */
+
+#include <linux/init.h>
+#include <linux/irq.h>
+#include <asm/io.h>
+#include <asm/irq.h>
+#include <asm/sh7763rdp.h>
+
+#define INTC_BASE (0xFFD00000)
+#define INTC_INT2PRI7 (INTC_BASE+0x4001C)
+#define INTC_INT2MSKCR (INTC_BASE+0x4003C)
+#define INTC_INT2MSKCR1 (INTC_BASE+0x400D4)
+
+/*
+ * Initialize IRQ setting
+ */
+void __init init_sh7763rdp_IRQ(void)
+{
+ /* GPIO enabled */
+ ctrl_outl(1 << 25, INTC_INT2MSKCR);
+
+ /* enable GPIO interrupts */
+ ctrl_outl((ctrl_inl(INTC_INT2PRI7) & 0xFF00FFFF) | 0x000F0000,
+ INTC_INT2PRI7);
+
+ /* USBH enabled */
+ ctrl_outl(1 << 17, INTC_INT2MSKCR1);
+
+ /* GETHER enabled */
+ ctrl_outl(1 << 16, INTC_INT2MSKCR1);
+
+ /* DMAC enabled */
+ ctrl_outl(1 << 8, INTC_INT2MSKCR);
+}