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Diffstat (limited to 'arch/sh/boards/se/7722/irq.c')
-rw-r--r--arch/sh/boards/se/7722/irq.c76
1 files changed, 0 insertions, 76 deletions
diff --git a/arch/sh/boards/se/7722/irq.c b/arch/sh/boards/se/7722/irq.c
deleted file mode 100644
index 0b03f3f610b8..000000000000
--- a/arch/sh/boards/se/7722/irq.c
+++ /dev/null
@@ -1,76 +0,0 @@
-/*
- * linux/arch/sh/boards/se/7722/irq.c
- *
- * Copyright (C) 2007 Nobuhiro Iwamatsu
- *
- * Hitachi UL SolutionEngine 7722 Support.
- *
- * 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/interrupt.h>
-#include <asm/irq.h>
-#include <asm/io.h>
-#include <asm/se7722.h>
-
-static void disable_se7722_irq(unsigned int irq)
-{
- unsigned int bit = irq - SE7722_FPGA_IRQ_BASE;
- ctrl_outw(ctrl_inw(IRQ01_MASK) | 1 << bit, IRQ01_MASK);
-}
-
-static void enable_se7722_irq(unsigned int irq)
-{
- unsigned int bit = irq - SE7722_FPGA_IRQ_BASE;
- ctrl_outw(ctrl_inw(IRQ01_MASK) & ~(1 << bit), IRQ01_MASK);
-}
-
-static struct irq_chip se7722_irq_chip __read_mostly = {
- .name = "SE7722-FPGA",
- .mask = disable_se7722_irq,
- .unmask = enable_se7722_irq,
- .mask_ack = disable_se7722_irq,
-};
-
-static void se7722_irq_demux(unsigned int irq, struct irq_desc *desc)
-{
- unsigned short intv = ctrl_inw(IRQ01_STS);
- struct irq_desc *ext_desc;
- unsigned int ext_irq = SE7722_FPGA_IRQ_BASE;
-
- intv &= (1 << SE7722_FPGA_IRQ_NR) - 1;
-
- while (intv) {
- if (intv & 1) {
- ext_desc = irq_desc + ext_irq;
- handle_level_irq(ext_irq, ext_desc);
- }
- intv >>= 1;
- ext_irq++;
- }
-}
-
-/*
- * Initialize IRQ setting
- */
-void __init init_se7722_IRQ(void)
-{
- int i;
-
- ctrl_outw(0, IRQ01_MASK); /* disable all irqs */
- ctrl_outw(0x2000, 0xb03fffec); /* mrshpc irq enable */
-
- for (i = 0; i < SE7722_FPGA_IRQ_NR; i++)
- set_irq_chip_and_handler_name(SE7722_FPGA_IRQ_BASE + i,
- &se7722_irq_chip,
- handle_level_irq, "level");
-
- set_irq_chained_handler(IRQ0_IRQ, se7722_irq_demux);
- set_irq_type(IRQ0_IRQ, IRQ_TYPE_LEVEL_LOW);
-
- set_irq_chained_handler(IRQ1_IRQ, se7722_irq_demux);
- set_irq_type(IRQ1_IRQ, IRQ_TYPE_LEVEL_LOW);
-}