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Diffstat (limited to 'arch/mips/kernel/irq-rm9000.c')
-rw-r--r--arch/mips/kernel/irq-rm9000.c106
1 files changed, 0 insertions, 106 deletions
diff --git a/arch/mips/kernel/irq-rm9000.c b/arch/mips/kernel/irq-rm9000.c
deleted file mode 100644
index 1282b9ae81c4..000000000000
--- a/arch/mips/kernel/irq-rm9000.c
+++ /dev/null
@@ -1,106 +0,0 @@
-/*
- * Copyright (C) 2003 Ralf Baechle
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License as published by the
- * Free Software Foundation; either version 2 of the License, or (at your
- * option) any later version.
- *
- * Handler for RM9000 extended interrupts. These are a non-standard
- * feature so we handle them separately from standard interrupts.
- */
-#include <linux/init.h>
-#include <linux/interrupt.h>
-#include <linux/irq.h>
-#include <linux/kernel.h>
-#include <linux/module.h>
-
-#include <asm/irq_cpu.h>
-#include <asm/mipsregs.h>
-
-static inline void unmask_rm9k_irq(struct irq_data *d)
-{
- set_c0_intcontrol(0x1000 << (d->irq - RM9K_CPU_IRQ_BASE));
-}
-
-static inline void mask_rm9k_irq(struct irq_data *d)
-{
- clear_c0_intcontrol(0x1000 << (d->irq - RM9K_CPU_IRQ_BASE));
-}
-
-static inline void rm9k_cpu_irq_enable(struct irq_data *d)
-{
- unsigned long flags;
-
- local_irq_save(flags);
- unmask_rm9k_irq(d);
- local_irq_restore(flags);
-}
-
-/*
- * Performance counter interrupts are global on all processors.
- */
-static void local_rm9k_perfcounter_irq_startup(void *args)
-{
- rm9k_cpu_irq_enable(args);
-}
-
-static unsigned int rm9k_perfcounter_irq_startup(struct irq_data *d)
-{
- on_each_cpu(local_rm9k_perfcounter_irq_startup, d, 1);
-
- return 0;
-}
-
-static void local_rm9k_perfcounter_irq_shutdown(void *args)
-{
- unsigned long flags;
-
- local_irq_save(flags);
- mask_rm9k_irq(args);
- local_irq_restore(flags);
-}
-
-static void rm9k_perfcounter_irq_shutdown(struct irq_data *d)
-{
- on_each_cpu(local_rm9k_perfcounter_irq_shutdown, d, 1);
-}
-
-static struct irq_chip rm9k_irq_controller = {
- .name = "RM9000",
- .irq_ack = mask_rm9k_irq,
- .irq_mask = mask_rm9k_irq,
- .irq_mask_ack = mask_rm9k_irq,
- .irq_unmask = unmask_rm9k_irq,
- .irq_eoi = unmask_rm9k_irq
-};
-
-static struct irq_chip rm9k_perfcounter_irq = {
- .name = "RM9000",
- .irq_startup = rm9k_perfcounter_irq_startup,
- .irq_shutdown = rm9k_perfcounter_irq_shutdown,
- .irq_ack = mask_rm9k_irq,
- .irq_mask = mask_rm9k_irq,
- .irq_mask_ack = mask_rm9k_irq,
- .irq_unmask = unmask_rm9k_irq,
-};
-
-unsigned int rm9000_perfcount_irq;
-
-EXPORT_SYMBOL(rm9000_perfcount_irq);
-
-void __init rm9k_cpu_irq_init(void)
-{
- int base = RM9K_CPU_IRQ_BASE;
- int i;
-
- clear_c0_intcontrol(0x0000f000); /* Mask all */
-
- for (i = base; i < base + 4; i++)
- irq_set_chip_and_handler(i, &rm9k_irq_controller,
- handle_level_irq);
-
- rm9000_perfcount_irq = base + 1;
- irq_set_chip_and_handler(rm9000_perfcount_irq, &rm9k_perfcounter_irq,
- handle_percpu_irq);
-}