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Diffstat (limited to 'arch/sh/boards/saturn/irq.c')
-rw-r--r--arch/sh/boards/saturn/irq.c118
1 files changed, 0 insertions, 118 deletions
diff --git a/arch/sh/boards/saturn/irq.c b/arch/sh/boards/saturn/irq.c
deleted file mode 100644
index 15d1d3f0f787..000000000000
--- a/arch/sh/boards/saturn/irq.c
+++ /dev/null
@@ -1,118 +0,0 @@
-/*
- * arch/sh/boards/saturn/irq.c
- *
- * Copyright (C) 2002 Paul Mundt
- *
- * Released under the terms of the GNU GPL v2.0.
- */
-#include <linux/kernel.h>
-#include <linux/init.h>
-#include <linux/interrupt.h>
-#include <asm/irq.h>
-#include <asm/io.h>
-
-/*
- * Interrupts map out as follows:
- *
- * Vector Name Mask
- *
- * 64 VBLANKIN 0x0001
- * 65 VBLANKOUT 0x0002
- * 66 HBLANKIN 0x0004
- * 67 TIMER0 0x0008
- * 68 TIMER1 0x0010
- * 69 DSPEND 0x0020
- * 70 SOUNDREQUEST 0x0040
- * 71 SYSTEMMANAGER 0x0080
- * 72 PAD 0x0100
- * 73 LEVEL2DMAEND 0x0200
- * 74 LEVEL1DMAEND 0x0400
- * 75 LEVEL0DMAEND 0x0800
- * 76 DMAILLEGAL 0x1000
- * 77 SRITEDRAWEND 0x2000
- * 78 ABUS 0x8000
- *
- */
-#define SATURN_IRQ_MIN 64 /* VBLANKIN */
-#define SATURN_IRQ_MAX 78 /* ABUS */
-
-#define SATURN_IRQ_MASK 0xbfff
-
-static inline u32 saturn_irq_mask(unsigned int irq_nr)
-{
- u32 mask;
-
- mask = (1 << (irq_nr - SATURN_IRQ_MIN));
- mask <<= (irq_nr == SATURN_IRQ_MAX);
- mask &= SATURN_IRQ_MASK;
-
- return mask;
-}
-
-static inline void mask_saturn_irq(unsigned int irq_nr)
-{
- u32 mask;
-
- mask = ctrl_inl(SATURN_IMR);
- mask |= saturn_irq_mask(irq_nr);
- ctrl_outl(mask, SATURN_IMR);
-}
-
-static inline void unmask_saturn_irq(unsigned int irq_nr)
-{
- u32 mask;
-
- mask = ctrl_inl(SATURN_IMR);
- mask &= ~saturn_irq_mask(irq_nr);
- ctrl_outl(mask, SATURN_IMR);
-}
-
-static void disable_saturn_irq(unsigned int irq_nr)
-{
- mask_saturn_irq(irq_nr);
-}
-
-static void enable_saturn_irq(unsigned int irq_nr)
-{
- unmask_saturn_irq(irq_nr);
-}
-
-static void mask_and_ack_saturn_irq(unsigned int irq_nr)
-{
- mask_saturn_irq(irq_nr);
-}
-
-static void end_saturn_irq(unsigned int irq_nr)
-{
- if (!(irq_desc[irq_nr].status & (IRQ_DISABLED | IRQ_INPROGRESS)))
- unmask_saturn_irq(irq_nr);
-}
-
-static unsigned int startup_saturn_irq(unsigned int irq_nr)
-{
- unmask_saturn_irq(irq_nr);
-
- return 0;
-}
-
-static void shutdown_saturn_irq(unsigned int irq_nr)
-{
- mask_saturn_irq(irq_nr);
-}
-
-static struct hw_interrupt_type saturn_int = {
- .typename = "Saturn",
- .enable = enable_saturn_irq,
- .disable = disable_saturn_irq,
- .ack = mask_and_ack_saturn_irq,
- .end = end_saturn_irq,
- .startup = startup_saturn_irq,
- .shutdown = shutdown_saturn_irq,
-};
-
-int saturn_irq_demux(int irq_nr)
-{
- /* FIXME */
- return irq_nr;
-}
-