1 files changed, 0 insertions, 95 deletions
diff --git a/arch/mips/txx9/rbtx4939/irq.c b/arch/mips/txx9/rbtx4939/irq.c
deleted file mode 100644
index 69a80616f0c9..000000000000
--- a/arch/mips/txx9/rbtx4939/irq.c
+++ /dev/null
@@ -1,95 +0,0 @@
-/*
- * Toshiba RBTX4939 interrupt routines
- * Based on linux/arch/mips/txx9/rbtx4938/irq.c,
- *	    and RBTX49xx patch from CELF patch archive.
- *
- * Copyright (C) 2000-2001,2005-2006 Toshiba Corporation
- * 2003-2005 (c) MontaVista Software, Inc. This file is licensed under the
- * terms of the GNU General Public License version 2. This program is
- * licensed "as is" without any warranty of any kind, whether express
- * or implied.
- */
-#include <linux/init.h>
-#include <linux/interrupt.h>
-#include <linux/irq.h>
-#include <asm/mipsregs.h>
-#include <asm/txx9/rbtx4939.h>
-
-/*
- * RBTX4939 IOC controller definition
- */
-
-static void rbtx4939_ioc_irq_unmask(struct irq_data *d)
-{
-	int ioc_nr = d->irq - RBTX4939_IRQ_IOC;
-
-	writeb(readb(rbtx4939_ien_addr) | (1 << ioc_nr), rbtx4939_ien_addr);
-}
-
-static void rbtx4939_ioc_irq_mask(struct irq_data *d)
-{
-	int ioc_nr = d->irq - RBTX4939_IRQ_IOC;
-
-	writeb(readb(rbtx4939_ien_addr) & ~(1 << ioc_nr), rbtx4939_ien_addr);
-	mmiowb();
-}
-
-static struct irq_chip rbtx4939_ioc_irq_chip = {
-	.name		= "IOC",
-	.irq_mask	= rbtx4939_ioc_irq_mask,
-	.irq_unmask	= rbtx4939_ioc_irq_unmask,
-};
-
-
-static inline int rbtx4939_ioc_irqroute(void)
-{
-	unsigned char istat = readb(rbtx4939_ifac2_addr);
-
-	if (unlikely(istat == 0))
-		return -1;
-	return RBTX4939_IRQ_IOC + __fls8(istat);
-}
-
-static int rbtx4939_irq_dispatch(int pending)
-{
-	int irq;
-
-	if (pending & CAUSEF_IP7)
-		return MIPS_CPU_IRQ_BASE + 7;
-	irq = tx4939_irq();
-	if (likely(irq >= 0)) {
-		/* redirect IOC interrupts */
-		switch (irq) {
-		case RBTX4939_IRQ_IOCINT:
-			irq = rbtx4939_ioc_irqroute();
-			break;
-		}
-	} else if (pending & CAUSEF_IP0)
-		irq = MIPS_CPU_IRQ_BASE + 0;
-	else if (pending & CAUSEF_IP1)
-		irq = MIPS_CPU_IRQ_BASE + 1;
-	else
-		irq = -1;
-	return irq;
-}
-
-void __init rbtx4939_irq_setup(void)
-{
-	int i;
-
-	/* mask all IOC interrupts */
-	writeb(0, rbtx4939_ien_addr);
-
-	/* clear SoftInt interrupts */
-	writeb(0, rbtx4939_softint_addr);
-
-	txx9_irq_dispatch = rbtx4939_irq_dispatch;
-
-	tx4939_irq_init();
-	for (i = RBTX4939_IRQ_IOC;
-	     i < RBTX4939_IRQ_IOC + RBTX4939_NR_IRQ_IOC; i++)
-		irq_set_chip_and_handler(i, &rbtx4939_ioc_irq_chip,
-					 handle_level_irq);
-
-	irq_set_chained_handler(RBTX4939_IRQ_IOCINT, handle_simple_irq);
-}