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Diffstat (limited to 'arch/sh/boards/renesas/r7780rp/irq-r7780mp.c')
-rw-r--r--arch/sh/boards/renesas/r7780rp/irq-r7780mp.c61
1 files changed, 61 insertions, 0 deletions
diff --git a/arch/sh/boards/renesas/r7780rp/irq-r7780mp.c b/arch/sh/boards/renesas/r7780rp/irq-r7780mp.c
new file mode 100644
index 00000000000..59b47fe061f
--- /dev/null
+++ b/arch/sh/boards/renesas/r7780rp/irq-r7780mp.c
@@ -0,0 +1,61 @@
+/*
+ * Renesas Solutions Highlander R7780MP Support.
+ *
+ * Copyright (C) 2002 Atom Create Engineering Co., Ltd.
+ * Copyright (C) 2006 Paul Mundt
+ * Copyright (C) 2007 Magnus Damm
+ *
+ * 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 <linux/io.h>
+#include <asm/r7780rp.h>
+
+enum {
+ UNUSED = 0,
+
+ /* board specific interrupt sources */
+ AX88796, /* Ethernet controller */
+ CF, /* Compact Flash */
+ PSW, /* Push Switch */
+ EXT1, /* EXT1n IRQ */
+ EXT4, /* EXT4n IRQ */
+};
+
+static struct intc_vect vectors[] __initdata = {
+ INTC_IRQ(CF, IRQ_CF),
+ INTC_IRQ(PSW, IRQ_PSW),
+ INTC_IRQ(AX88796, IRQ_AX88796),
+ INTC_IRQ(EXT1, IRQ_EXT1),
+ INTC_IRQ(EXT4, IRQ_EXT4),
+};
+
+static struct intc_mask_reg mask_registers[] __initdata = {
+ { 0xa4000000, 0, 16, /* IRLMSK */
+ { 0, 0, 0, 0, CF, 0, 0, 0,
+ 0, 0, 0, EXT4, 0, EXT1, PSW, AX88796 } },
+};
+
+static unsigned char irl2irq[HL_NR_IRL] __initdata = {
+ 0, IRQ_CF, 0, 0,
+ 0, 0, 0, 0,
+ 0, IRQ_EXT4, 0, IRQ_EXT1,
+ 0, IRQ_AX88796, IRQ_PSW,
+};
+
+static DECLARE_INTC_DESC(intc_desc, "r7780mp", vectors,
+ NULL, NULL, mask_registers, NULL, NULL);
+
+unsigned char * __init highlander_init_irq_r7780mp(void)
+{
+ if ((ctrl_inw(0xa4000700) & 0xf000) == 0x2000) {
+ printk(KERN_INFO "Using r7780mp interrupt controller.\n");
+ register_intc_controller(&intc_desc);
+ return irl2irq;
+ }
+
+ return NULL;
+}