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Diffstat (limited to 'arch/arm/mach-s3c24xx/irq-s3c2440.c')
-rw-r--r--arch/arm/mach-s3c24xx/irq-s3c2440.c128
1 files changed, 0 insertions, 128 deletions
diff --git a/arch/arm/mach-s3c24xx/irq-s3c2440.c b/arch/arm/mach-s3c24xx/irq-s3c2440.c
deleted file mode 100644
index 4a18cde439c..00000000000
--- a/arch/arm/mach-s3c24xx/irq-s3c2440.c
+++ /dev/null
@@ -1,128 +0,0 @@
-/* linux/arch/arm/mach-s3c2440/irq.c
- *
- * Copyright (c) 2003-2004 Simtec Electronics
- * Ben Dooks <ben@simtec.co.uk>
- *
- * 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.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
- *
-*/
-
-#include <linux/init.h>
-#include <linux/module.h>
-#include <linux/interrupt.h>
-#include <linux/ioport.h>
-#include <linux/device.h>
-#include <linux/io.h>
-
-#include <mach/hardware.h>
-#include <asm/irq.h>
-
-#include <asm/mach/irq.h>
-
-#include <mach/regs-irq.h>
-#include <mach/regs-gpio.h>
-
-#include <plat/cpu.h>
-#include <plat/pm.h>
-#include <plat/irq.h>
-
-/* WDT/AC97 */
-
-static void s3c_irq_demux_wdtac97(unsigned int irq,
- struct irq_desc *desc)
-{
- unsigned int subsrc, submsk;
-
- /* read the current pending interrupts, and the mask
- * for what it is available */
-
- subsrc = __raw_readl(S3C2410_SUBSRCPND);
- submsk = __raw_readl(S3C2410_INTSUBMSK);
-
- subsrc &= ~submsk;
- subsrc >>= 13;
- subsrc &= 3;
-
- if (subsrc != 0) {
- if (subsrc & 1) {
- generic_handle_irq(IRQ_S3C2440_WDT);
- }
- if (subsrc & 2) {
- generic_handle_irq(IRQ_S3C2440_AC97);
- }
- }
-}
-
-
-#define INTMSK_WDT (1UL << (IRQ_WDT - IRQ_EINT0))
-
-static void
-s3c_irq_wdtac97_mask(struct irq_data *data)
-{
- s3c_irqsub_mask(data->irq, INTMSK_WDT, 3 << 13);
-}
-
-static void
-s3c_irq_wdtac97_unmask(struct irq_data *data)
-{
- s3c_irqsub_unmask(data->irq, INTMSK_WDT);
-}
-
-static void
-s3c_irq_wdtac97_ack(struct irq_data *data)
-{
- s3c_irqsub_maskack(data->irq, INTMSK_WDT, 3 << 13);
-}
-
-static struct irq_chip s3c_irq_wdtac97 = {
- .irq_mask = s3c_irq_wdtac97_mask,
- .irq_unmask = s3c_irq_wdtac97_unmask,
- .irq_ack = s3c_irq_wdtac97_ack,
-};
-
-static int s3c2440_irq_add(struct device *dev, struct subsys_interface *sif)
-{
- unsigned int irqno;
-
- printk("S3C2440: IRQ Support\n");
-
- /* add new chained handler for wdt, ac7 */
-
- irq_set_chip_and_handler(IRQ_WDT, &s3c_irq_level_chip,
- handle_level_irq);
- irq_set_chained_handler(IRQ_WDT, s3c_irq_demux_wdtac97);
-
- for (irqno = IRQ_S3C2440_WDT; irqno <= IRQ_S3C2440_AC97; irqno++) {
- irq_set_chip_and_handler(irqno, &s3c_irq_wdtac97,
- handle_level_irq);
- set_irq_flags(irqno, IRQF_VALID);
- }
-
- return 0;
-}
-
-static struct subsys_interface s3c2440_irq_interface = {
- .name = "s3c2440_irq",
- .subsys = &s3c2440_subsys,
- .add_dev = s3c2440_irq_add,
-};
-
-static int s3c2440_irq_init(void)
-{
- return subsys_interface_register(&s3c2440_irq_interface);
-}
-
-arch_initcall(s3c2440_irq_init);
-