1 files changed, 0 insertions, 111 deletions
diff --git a/arch/mips/lemote/lm2e/irq.c b/arch/mips/lemote/lm2e/irq.c
deleted file mode 100644
index 9585f5aa7cce..000000000000
--- a/arch/mips/lemote/lm2e/irq.c
+++ /dev/null
@@ -1,111 +0,0 @@
-/*
- * Copyright (C) 2007 Lemote Inc. & Insititute of Computing Technology
- * Author: Fuxin Zhang, zhangfx@lemote.com
- *
- *  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.
- */
-#include <linux/delay.h>
-#include <linux/interrupt.h>
-
-#include <asm/irq_cpu.h>
-#include <asm/i8259.h>
-
-#include <loongson.h>
-/*
- * the first level int-handler will jump here if it is a bonito irq
- */
-static void bonito_irqdispatch(void)
-{
-	u32 int_status;
-	int i;
-
-	/* workaround the IO dma problem: let cpu looping to allow DMA finish */
-	int_status = BONITO_INTISR;
-	if (int_status & (1 << 10)) {
-		while (int_status & (1 << 10)) {
-			udelay(1);
-			int_status = BONITO_INTISR;
-		}
-	}
-
-	/* Get pending sources, masked by current enables */
-	int_status = BONITO_INTISR & BONITO_INTEN;
-
-	if (int_status != 0) {
-		i = __ffs(int_status);
-		int_status &= ~(1 << i);
-		do_IRQ(BONITO_IRQ_BASE + i);
-	}
-}
-
-static void i8259_irqdispatch(void)
-{
-	int irq;
-
-	irq = i8259_irq();
-	if (irq >= 0)
-		do_IRQ(irq);
-	else
-		spurious_interrupt();
-}
-
-asmlinkage void plat_irq_dispatch(void)
-{
-	unsigned int pending = read_c0_cause() & read_c0_status() & ST0_IM;
-
-	if (pending & CAUSEF_IP7)
-		do_IRQ(MIPS_CPU_IRQ_BASE + 7);
-	else if (pending & CAUSEF_IP6) /* perf counter loverflow */
-		do_IRQ(LOONGSON2_PERFCNT_IRQ);
-	else if (pending & CAUSEF_IP5)
-		i8259_irqdispatch();
-	else if (pending & CAUSEF_IP2)
-		bonito_irqdispatch();
-	else
-		spurious_interrupt();
-}
-
-static struct irqaction cascade_irqaction = {
-	.handler = no_action,
-	.name = "cascade",
-};
-
-void __init arch_init_irq(void)
-{
-	/*
-	 * Clear all of the interrupts while we change the able around a bit.
-	 * int-handler is not on bootstrap
-	 */
-	clear_c0_status(ST0_IM | ST0_BEV);
-	local_irq_disable();
-
-	/* most bonito irq should be level triggered */
-	BONITO_INTEDGE = BONITO_ICU_SYSTEMERR | BONITO_ICU_MASTERERR |
-		BONITO_ICU_RETRYERR | BONITO_ICU_MBOXES;
-	BONITO_INTSTEER = 0;
-
-	/*
-	 * Mask out all interrupt by writing "1" to all bit position in
-	 * the interrupt reset reg.
-	 */
-	BONITO_INTENCLR = ~0;
-
-	/* init all controller
-	 *   0-15         ------> i8259 interrupt
-	 *   16-23        ------> mips cpu interrupt
-	 *   32-63        ------> bonito irq
-	 */
-
-	/* Sets the first-level interrupt dispatcher. */
-	mips_cpu_irq_init();
-	init_i8259_irqs();
-	bonito_irq_init();
-
-	/* bonito irq at IP2 */
-	setup_irq(MIPS_CPU_IRQ_BASE + 2, &cascade_irqaction);
-	/* 8259 irq at IP5 */
-	setup_irq(MIPS_CPU_IRQ_BASE + 5, &cascade_irqaction);
-}