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Diffstat (limited to 'arch/arm/mach-gemini/irq.c')
-rw-r--r--arch/arm/mach-gemini/irq.c105
1 files changed, 0 insertions, 105 deletions
diff --git a/arch/arm/mach-gemini/irq.c b/arch/arm/mach-gemini/irq.c
deleted file mode 100644
index d929b3ff18fd..000000000000
--- a/arch/arm/mach-gemini/irq.c
+++ /dev/null
@@ -1,105 +0,0 @@
-/*
- * Interrupt routines for Gemini
- *
- * Copyright (C) 2001-2006 Storlink, Corp.
- * Copyright (C) 2008-2009 Paulius Zaleckas <paulius.zaleckas@teltonika.lt>
- *
- * 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/init.h>
-#include <linux/io.h>
-#include <linux/ioport.h>
-#include <linux/stddef.h>
-#include <linux/list.h>
-#include <linux/sched.h>
-#include <linux/cpu.h>
-
-#include <asm/irq.h>
-#include <asm/mach/irq.h>
-#include <asm/system_misc.h>
-#include <mach/hardware.h>
-
-#define IRQ_SOURCE(base_addr) (base_addr + 0x00)
-#define IRQ_MASK(base_addr) (base_addr + 0x04)
-#define IRQ_CLEAR(base_addr) (base_addr + 0x08)
-#define IRQ_TMODE(base_addr) (base_addr + 0x0C)
-#define IRQ_TLEVEL(base_addr) (base_addr + 0x10)
-#define IRQ_STATUS(base_addr) (base_addr + 0x14)
-#define FIQ_SOURCE(base_addr) (base_addr + 0x20)
-#define FIQ_MASK(base_addr) (base_addr + 0x24)
-#define FIQ_CLEAR(base_addr) (base_addr + 0x28)
-#define FIQ_TMODE(base_addr) (base_addr + 0x2C)
-#define FIQ_LEVEL(base_addr) (base_addr + 0x30)
-#define FIQ_STATUS(base_addr) (base_addr + 0x34)
-
-static void gemini_ack_irq(struct irq_data *d)
-{
- __raw_writel(1 << d->irq, IRQ_CLEAR(IO_ADDRESS(GEMINI_INTERRUPT_BASE)));
-}
-
-static void gemini_mask_irq(struct irq_data *d)
-{
- unsigned int mask;
-
- mask = __raw_readl(IRQ_MASK(IO_ADDRESS(GEMINI_INTERRUPT_BASE)));
- mask &= ~(1 << d->irq);
- __raw_writel(mask, IRQ_MASK(IO_ADDRESS(GEMINI_INTERRUPT_BASE)));
-}
-
-static void gemini_unmask_irq(struct irq_data *d)
-{
- unsigned int mask;
-
- mask = __raw_readl(IRQ_MASK(IO_ADDRESS(GEMINI_INTERRUPT_BASE)));
- mask |= (1 << d->irq);
- __raw_writel(mask, IRQ_MASK(IO_ADDRESS(GEMINI_INTERRUPT_BASE)));
-}
-
-static struct irq_chip gemini_irq_chip = {
- .name = "INTC",
- .irq_ack = gemini_ack_irq,
- .irq_mask = gemini_mask_irq,
- .irq_unmask = gemini_unmask_irq,
-};
-
-static struct resource irq_resource = {
- .name = "irq_handler",
- .start = GEMINI_INTERRUPT_BASE,
- .end = FIQ_STATUS(GEMINI_INTERRUPT_BASE) + 4,
-};
-
-void __init gemini_init_irq(void)
-{
- unsigned int i, mode = 0, level = 0;
-
- /*
- * Disable the idle handler by default since it is buggy
- * For more info see arch/arm/mach-gemini/idle.c
- */
- cpu_idle_poll_ctrl(true);
-
- request_resource(&iomem_resource, &irq_resource);
-
- for (i = 0; i < NR_IRQS; i++) {
- irq_set_chip(i, &gemini_irq_chip);
- if((i >= IRQ_TIMER1 && i <= IRQ_TIMER3) || (i >= IRQ_SERIRQ0 && i <= IRQ_SERIRQ1)) {
- irq_set_handler(i, handle_edge_irq);
- mode |= 1 << i;
- level |= 1 << i;
- } else {
- irq_set_handler(i, handle_level_irq);
- }
- irq_clear_status_flags(i, IRQ_NOREQUEST | IRQ_NOPROBE);
- }
-
- /* Disable all interrupts */
- __raw_writel(0, IRQ_MASK(IO_ADDRESS(GEMINI_INTERRUPT_BASE)));
- __raw_writel(0, FIQ_MASK(IO_ADDRESS(GEMINI_INTERRUPT_BASE)));
-
- /* Set interrupt mode */
- __raw_writel(mode, IRQ_TMODE(IO_ADDRESS(GEMINI_INTERRUPT_BASE)));
- __raw_writel(level, IRQ_TLEVEL(IO_ADDRESS(GEMINI_INTERRUPT_BASE)));
-}