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Diffstat (limited to 'arch/arm/mach-pnx4008/irq.c')
-rw-r--r--arch/arm/mach-pnx4008/irq.c121
1 files changed, 0 insertions, 121 deletions
diff --git a/arch/arm/mach-pnx4008/irq.c b/arch/arm/mach-pnx4008/irq.c
deleted file mode 100644
index 41e4201972d..00000000000
--- a/arch/arm/mach-pnx4008/irq.c
+++ /dev/null
@@ -1,121 +0,0 @@
-/*
- * arch/arm/mach-pnx4008/irq.c
- *
- * PNX4008 IRQ controller driver
- *
- * Author: Dmitry Chigirev <source@mvista.com>
- *
- * Based on reference code received from Philips:
- * Copyright (C) 2003 Philips Semiconductors
- *
- * 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/kernel.h>
-#include <linux/types.h>
-#include <linux/mm.h>
-#include <linux/interrupt.h>
-#include <linux/list.h>
-#include <linux/init.h>
-#include <linux/ioport.h>
-#include <linux/device.h>
-#include <linux/irq.h>
-#include <linux/io.h>
-#include <mach/hardware.h>
-#include <asm/setup.h>
-#include <asm/pgtable.h>
-#include <asm/page.h>
-#include <asm/mach/arch.h>
-#include <asm/mach/irq.h>
-#include <asm/mach/map.h>
-#include <mach/irq.h>
-
-static u8 pnx4008_irq_type[NR_IRQS] = PNX4008_IRQ_TYPES;
-
-static void pnx4008_mask_irq(struct irq_data *d)
-{
- __raw_writel(__raw_readl(INTC_ER(d->irq)) & ~INTC_BIT(d->irq), INTC_ER(d->irq)); /* mask interrupt */
-}
-
-static void pnx4008_unmask_irq(struct irq_data *d)
-{
- __raw_writel(__raw_readl(INTC_ER(d->irq)) | INTC_BIT(d->irq), INTC_ER(d->irq)); /* unmask interrupt */
-}
-
-static void pnx4008_mask_ack_irq(struct irq_data *d)
-{
- __raw_writel(__raw_readl(INTC_ER(d->irq)) & ~INTC_BIT(d->irq), INTC_ER(d->irq)); /* mask interrupt */
- __raw_writel(INTC_BIT(d->irq), INTC_SR(d->irq)); /* clear interrupt status */
-}
-
-static int pnx4008_set_irq_type(struct irq_data *d, unsigned int type)
-{
- switch (type) {
- case IRQ_TYPE_EDGE_RISING:
- __raw_writel(__raw_readl(INTC_ATR(d->irq)) | INTC_BIT(d->irq), INTC_ATR(d->irq)); /*edge sensitive */
- __raw_writel(__raw_readl(INTC_APR(d->irq)) | INTC_BIT(d->irq), INTC_APR(d->irq)); /*rising edge */
- irq_set_handler(d->irq, handle_edge_irq);
- break;
- case IRQ_TYPE_EDGE_FALLING:
- __raw_writel(__raw_readl(INTC_ATR(d->irq)) | INTC_BIT(d->irq), INTC_ATR(d->irq)); /*edge sensitive */
- __raw_writel(__raw_readl(INTC_APR(d->irq)) & ~INTC_BIT(d->irq), INTC_APR(d->irq)); /*falling edge */
- irq_set_handler(d->irq, handle_edge_irq);
- break;
- case IRQ_TYPE_LEVEL_LOW:
- __raw_writel(__raw_readl(INTC_ATR(d->irq)) & ~INTC_BIT(d->irq), INTC_ATR(d->irq)); /*level sensitive */
- __raw_writel(__raw_readl(INTC_APR(d->irq)) & ~INTC_BIT(d->irq), INTC_APR(d->irq)); /*low level */
- irq_set_handler(d->irq, handle_level_irq);
- break;
- case IRQ_TYPE_LEVEL_HIGH:
- __raw_writel(__raw_readl(INTC_ATR(d->irq)) & ~INTC_BIT(d->irq), INTC_ATR(d->irq)); /*level sensitive */
- __raw_writel(__raw_readl(INTC_APR(d->irq)) | INTC_BIT(d->irq), INTC_APR(d->irq)); /* high level */
- irq_set_handler(d->irq, handle_level_irq);
- break;
-
- /* IRQ_TYPE_EDGE_BOTH is not supported */
- default:
- printk(KERN_ERR "PNX4008 IRQ: Unsupported irq type %d\n", type);
- return -1;
- }
- return 0;
-}
-
-static struct irq_chip pnx4008_irq_chip = {
- .irq_ack = pnx4008_mask_ack_irq,
- .irq_mask = pnx4008_mask_irq,
- .irq_unmask = pnx4008_unmask_irq,
- .irq_set_type = pnx4008_set_irq_type,
-};
-
-void __init pnx4008_init_irq(void)
-{
- unsigned int i;
-
- /* configure IRQ's */
- for (i = 0; i < NR_IRQS; i++) {
- set_irq_flags(i, IRQF_VALID);
- irq_set_chip(i, &pnx4008_irq_chip);
- pnx4008_set_irq_type(irq_get_irq_data(i), pnx4008_irq_type[i]);
- }
-
- /* configure and enable IRQ 0,1,30,31 (cascade interrupts) */
- pnx4008_set_irq_type(irq_get_irq_data(SUB1_IRQ_N),
- pnx4008_irq_type[SUB1_IRQ_N]);
- pnx4008_set_irq_type(irq_get_irq_data(SUB2_IRQ_N),
- pnx4008_irq_type[SUB2_IRQ_N]);
- pnx4008_set_irq_type(irq_get_irq_data(SUB1_FIQ_N),
- pnx4008_irq_type[SUB1_FIQ_N]);
- pnx4008_set_irq_type(irq_get_irq_data(SUB2_FIQ_N),
- pnx4008_irq_type[SUB2_FIQ_N]);
-
- /* mask all others */
- __raw_writel((1 << SUB2_FIQ_N) | (1 << SUB1_FIQ_N) |
- (1 << SUB2_IRQ_N) | (1 << SUB1_IRQ_N),
- INTC_ER(MAIN_BASE_INT));
- __raw_writel(0, INTC_ER(SIC1_BASE_INT));
- __raw_writel(0, INTC_ER(SIC2_BASE_INT));
-}
-