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-rw-r--r--arch/frv/kernel/irq.c159
1 files changed, 0 insertions, 159 deletions
diff --git a/arch/frv/kernel/irq.c b/arch/frv/kernel/irq.c
deleted file mode 100644
index 93513e4ccd2b..000000000000
--- a/arch/frv/kernel/irq.c
+++ /dev/null
@@ -1,159 +0,0 @@
-/* irq.c: FRV IRQ handling
- *
- * Copyright (C) 2003, 2004, 2006 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/timex.h>
-#include <linux/random.h>
-#include <linux/init.h>
-#include <linux/kernel_stat.h>
-#include <linux/irq.h>
-#include <linux/proc_fs.h>
-#include <linux/seq_file.h>
-#include <linux/module.h>
-#include <linux/bitops.h>
-
-#include <linux/atomic.h>
-#include <asm/io.h>
-#include <asm/smp.h>
-#include <linux/uaccess.h>
-#include <asm/pgalloc.h>
-#include <asm/delay.h>
-#include <asm/irq.h>
-#include <asm/irc-regs.h>
-#include <asm/gdb-stub.h>
-
-#define set_IRR(N,A,B,C,D) __set_IRR(N, (A << 28) | (B << 24) | (C << 20) | (D << 16))
-
-extern void __init fpga_init(void);
-#ifdef CONFIG_FUJITSU_MB93493
-extern void __init mb93493_init(void);
-#endif
-
-#define __reg16(ADDR) (*(volatile unsigned short *)(ADDR))
-
-atomic_t irq_err_count;
-
-int arch_show_interrupts(struct seq_file *p, int prec)
-{
- seq_printf(p, "%*s: ", prec, "ERR");
- seq_printf(p, "%10u\n", atomic_read(&irq_err_count));
- return 0;
-}
-
-/*
- * on-CPU PIC operations
- */
-static void frv_cpupic_ack(struct irq_data *d)
-{
- __clr_RC(d->irq);
- __clr_IRL();
-}
-
-static void frv_cpupic_mask(struct irq_data *d)
-{
- __set_MASK(d->irq);
-}
-
-static void frv_cpupic_mask_ack(struct irq_data *d)
-{
- __set_MASK(d->irq);
- __clr_RC(d->irq);
- __clr_IRL();
-}
-
-static void frv_cpupic_unmask(struct irq_data *d)
-{
- __clr_MASK(d->irq);
-}
-
-static struct irq_chip frv_cpu_pic = {
- .name = "cpu",
- .irq_ack = frv_cpupic_ack,
- .irq_mask = frv_cpupic_mask,
- .irq_mask_ack = frv_cpupic_mask_ack,
- .irq_unmask = frv_cpupic_unmask,
-};
-
-/*
- * handles all normal device IRQs
- * - registers are referred to by the __frame variable (GR28)
- * - IRQ distribution is complicated in this arch because of the many PICs, the
- * way they work and the way they cascade
- */
-asmlinkage void do_IRQ(void)
-{
- irq_enter();
- generic_handle_irq(__get_IRL());
- irq_exit();
-}
-
-/*
- * handles all NMIs when not co-opted by the debugger
- * - registers are referred to by the __frame variable (GR28)
- */
-asmlinkage void do_NMI(void)
-{
-}
-
-/*
- * initialise the interrupt system
- */
-void __init init_IRQ(void)
-{
- int level;
-
- for (level = 1; level <= 14; level++)
- irq_set_chip_and_handler(level, &frv_cpu_pic,
- handle_level_irq);
-
- irq_set_handler(IRQ_CPU_TIMER0, handle_edge_irq);
-
- /* set the trigger levels for internal interrupt sources
- * - timers all falling-edge
- * - ERR0 is rising-edge
- * - all others are high-level
- */
- __set_IITMR(0, 0x003f0000); /* DMA0-3, TIMER0-2 */
- __set_IITMR(1, 0x20000000); /* ERR0-1, UART0-1, DMA4-7 */
-
- /* route internal interrupts */
- set_IRR(4, IRQ_DMA3_LEVEL, IRQ_DMA2_LEVEL, IRQ_DMA1_LEVEL,
- IRQ_DMA0_LEVEL);
- set_IRR(5, 0, IRQ_TIMER2_LEVEL, IRQ_TIMER1_LEVEL, IRQ_TIMER0_LEVEL);
- set_IRR(6, IRQ_GDBSTUB_LEVEL, IRQ_GDBSTUB_LEVEL,
- IRQ_UART1_LEVEL, IRQ_UART0_LEVEL);
- set_IRR(7, IRQ_DMA7_LEVEL, IRQ_DMA6_LEVEL, IRQ_DMA5_LEVEL,
- IRQ_DMA4_LEVEL);
-
- /* route external interrupts */
- set_IRR(2, IRQ_XIRQ7_LEVEL, IRQ_XIRQ6_LEVEL, IRQ_XIRQ5_LEVEL,
- IRQ_XIRQ4_LEVEL);
- set_IRR(3, IRQ_XIRQ3_LEVEL, IRQ_XIRQ2_LEVEL, IRQ_XIRQ1_LEVEL,
- IRQ_XIRQ0_LEVEL);
-
-#if defined(CONFIG_MB93091_VDK)
- __set_TM1(0x55550000); /* XIRQ7-0 all active low */
-#elif defined(CONFIG_MB93093_PDK)
- __set_TM1(0x15550000); /* XIRQ7 active high, 6-0 all active low */
-#else
-#error dont know external IRQ trigger levels for this setup
-#endif
-
- fpga_init();
-#ifdef CONFIG_FUJITSU_MB93493
- mb93493_init();
-#endif
-}