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-rw-r--r--arch/sh/boards/renesas/systemh/irq.c102
1 files changed, 0 insertions, 102 deletions
diff --git a/arch/sh/boards/renesas/systemh/irq.c b/arch/sh/boards/renesas/systemh/irq.c
deleted file mode 100644
index 0ba2fe674c47..000000000000
--- a/arch/sh/boards/renesas/systemh/irq.c
+++ /dev/null
@@ -1,102 +0,0 @@
-/*
- * linux/arch/sh/boards/renesas/systemh/irq.c
- *
- * Copyright (C) 2000 Kazumoto Kojima
- *
- * Hitachi SystemH Support.
- *
- * Modified for 7751 SystemH by
- * Jonathan Short.
- */
-
-#include <linux/init.h>
-#include <linux/irq.h>
-
-#include <linux/hdreg.h>
-#include <linux/ide.h>
-#include <asm/io.h>
-#include <asm/systemh7751.h>
-#include <asm/smc37c93x.h>
-
-/* address of external interrupt mask register
- * address must be set prior to use these (maybe in init_XXX_irq())
- * XXX : is it better to use .config than specifying it in code? */
-static unsigned long *systemh_irq_mask_register = (unsigned long *)0xB3F10004;
-static unsigned long *systemh_irq_request_register = (unsigned long *)0xB3F10000;
-
-/* forward declaration */
-static unsigned int startup_systemh_irq(unsigned int irq);
-static void shutdown_systemh_irq(unsigned int irq);
-static void enable_systemh_irq(unsigned int irq);
-static void disable_systemh_irq(unsigned int irq);
-static void mask_and_ack_systemh(unsigned int);
-static void end_systemh_irq(unsigned int irq);
-
-/* hw_interrupt_type */
-static struct hw_interrupt_type systemh_irq_type = {
- .typename = " SystemH Register",
- .startup = startup_systemh_irq,
- .shutdown = shutdown_systemh_irq,
- .enable = enable_systemh_irq,
- .disable = disable_systemh_irq,
- .ack = mask_and_ack_systemh,
- .end = end_systemh_irq
-};
-
-static unsigned int startup_systemh_irq(unsigned int irq)
-{
- enable_systemh_irq(irq);
- return 0; /* never anything pending */
-}
-
-static void shutdown_systemh_irq(unsigned int irq)
-{
- disable_systemh_irq(irq);
-}
-
-static void disable_systemh_irq(unsigned int irq)
-{
- if (systemh_irq_mask_register) {
- unsigned long val, mask = 0x01 << 1;
-
- /* Clear the "irq"th bit in the mask and set it in the request */
- val = ctrl_inl((unsigned long)systemh_irq_mask_register);
- val &= ~mask;
- ctrl_outl(val, (unsigned long)systemh_irq_mask_register);
-
- val = ctrl_inl((unsigned long)systemh_irq_request_register);
- val |= mask;
- ctrl_outl(val, (unsigned long)systemh_irq_request_register);
- }
-}
-
-static void enable_systemh_irq(unsigned int irq)
-{
- if (systemh_irq_mask_register) {
- unsigned long val, mask = 0x01 << 1;
-
- /* Set "irq"th bit in the mask register */
- val = ctrl_inl((unsigned long)systemh_irq_mask_register);
- val |= mask;
- ctrl_outl(val, (unsigned long)systemh_irq_mask_register);
- }
-}
-
-static void mask_and_ack_systemh(unsigned int irq)
-{
- disable_systemh_irq(irq);
-}
-
-static void end_systemh_irq(unsigned int irq)
-{
- if (!(irq_desc[irq].status & (IRQ_DISABLED|IRQ_INPROGRESS)))
- enable_systemh_irq(irq);
-}
-
-void make_systemh_irq(unsigned int irq)
-{
- disable_irq_nosync(irq);
- irq_desc[irq].chip = &systemh_irq_type;
- disable_systemh_irq(irq);
-}
-