1 files changed, 0 insertions, 157 deletions
diff --git a/arch/frv/kernel/irq-mb93091.c b/arch/frv/kernel/irq-mb93091.c
deleted file mode 100644
index 091b2839be90..000000000000
--- a/arch/frv/kernel/irq-mb93091.c
+++ /dev/null
@@ -1,157 +0,0 @@
-/* irq-mb93091.c: MB93091 FPGA interrupt handling
- *
- * Copyright (C) 2003 Red Hat, Inc. All Rights Reserved.
- * Written by David Howells (dhowells@redhat.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/ptrace.h>
-#include <linux/errno.h>
-#include <linux/signal.h>
-#include <linux/sched.h>
-#include <linux/ioport.h>
-#include <linux/interrupt.h>
-#include <linux/init.h>
-#include <linux/irq.h>
-#include <linux/bitops.h>
-
-#include <asm/io.h>
-#include <asm/delay.h>
-#include <asm/irq.h>
-#include <asm/irc-regs.h>
-
-#define __reg16(ADDR) (*(volatile unsigned short *)(ADDR))
-
-#define __get_IMR()	({ __reg16(0xffc00004); })
-#define __set_IMR(M)	do { __reg16(0xffc00004) = (M); wmb(); } while(0)
-#define __get_IFR()	({ __reg16(0xffc0000c); })
-#define __clr_IFR(M)	do { __reg16(0xffc0000c) = ~(M); wmb(); } while(0)
-
-
-/*
- * on-motherboard FPGA PIC operations
- */
-static void frv_fpga_mask(struct irq_data *d)
-{
-	uint16_t imr = __get_IMR();
-
-	imr |= 1 << (d->irq - IRQ_BASE_FPGA);
-
-	__set_IMR(imr);
-}
-
-static void frv_fpga_ack(struct irq_data *d)
-{
-	__clr_IFR(1 << (d->irq - IRQ_BASE_FPGA));
-}
-
-static void frv_fpga_mask_ack(struct irq_data *d)
-{
-	uint16_t imr = __get_IMR();
-
-	imr |= 1 << (d->irq - IRQ_BASE_FPGA);
-	__set_IMR(imr);
-
-	__clr_IFR(1 << (d->irq - IRQ_BASE_FPGA));
-}
-
-static void frv_fpga_unmask(struct irq_data *d)
-{
-	uint16_t imr = __get_IMR();
-
-	imr &= ~(1 << (d->irq - IRQ_BASE_FPGA));
-
-	__set_IMR(imr);
-}
-
-static struct irq_chip frv_fpga_pic = {
-	.name		= "mb93091",
-	.irq_ack	= frv_fpga_ack,
-	.irq_mask	= frv_fpga_mask,
-	.irq_mask_ack	= frv_fpga_mask_ack,
-	.irq_unmask	= frv_fpga_unmask,
-};
-
-/*
- * FPGA PIC interrupt handler
- */
-static irqreturn_t fpga_interrupt(int irq, void *_mask)
-{
-	uint16_t imr, mask = (unsigned long) _mask;
-
-	imr = __get_IMR();
-	mask = mask & ~imr & __get_IFR();
-
-	/* poll all the triggered IRQs */
-	while (mask) {
-		int irq;
-
-		asm("scan %1,gr0,%0" : "=r"(irq) : "r"(mask));
-		irq = 31 - irq;
-		mask &= ~(1 << irq);
-
-		generic_handle_irq(IRQ_BASE_FPGA + irq);
-	}
-
-	return IRQ_HANDLED;
-}
-
-/*
- * define an interrupt action for each FPGA PIC output
- * - use dev_id to indicate the FPGA PIC input to output mappings
- */
-static struct irqaction fpga_irq[4]  = {
-	[0] = {
-		.handler	= fpga_interrupt,
-		.flags		= IRQF_SHARED,
-		.name		= "fpga.0",
-		.dev_id		= (void *) 0x0028UL,
-	},
-	[1] = {
-		.handler	= fpga_interrupt,
-		.flags		= IRQF_SHARED,
-		.name		= "fpga.1",
-		.dev_id		= (void *) 0x0050UL,
-	},
-	[2] = {
-		.handler	= fpga_interrupt,
-		.flags		= IRQF_SHARED,
-		.name		= "fpga.2",
-		.dev_id		= (void *) 0x1c00UL,
-	},
-	[3] = {
-		.handler	= fpga_interrupt,
-		.flags		= IRQF_SHARED,
-		.name		= "fpga.3",
-		.dev_id		= (void *) 0x6386UL,
-	}
-};
-
-/*
- * initialise the motherboard FPGA's PIC
- */
-void __init fpga_init(void)
-{
-	int irq;
-
-	/* all PIC inputs are all set to be low-level driven, apart from the
-	 * NMI button (15) which is fixed at falling-edge
-	 */
-	__set_IMR(0x7ffe);
-	__clr_IFR(0x0000);
-
-	for (irq = IRQ_BASE_FPGA + 1; irq <= IRQ_BASE_FPGA + 14; irq++)
-		irq_set_chip_and_handler(irq, &frv_fpga_pic, handle_level_irq);
-
-	irq_set_chip_and_handler(IRQ_FPGA_NMI, &frv_fpga_pic, handle_edge_irq);
-
-	/* the FPGA drives the first four external IRQ inputs on the CPU PIC */
-	setup_irq(IRQ_CPU_EXTERNAL0, &fpga_irq[0]);
-	setup_irq(IRQ_CPU_EXTERNAL1, &fpga_irq[1]);
-	setup_irq(IRQ_CPU_EXTERNAL2, &fpga_irq[2]);
-	setup_irq(IRQ_CPU_EXTERNAL3, &fpga_irq[3]);
-}