ARM: S3C24XX: move s3c2412 irq init to common code

Base for further cleanups

Signed-off-by: Heiko Stuebner <heiko@sntech.de>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>

1 files changed, 0 insertions, 192 deletions

diff --git a/arch/arm/mach-s3c24xx/irq-s3c2412.c b/arch/arm/mach-s3c24xx/irq-s3c2412.c
deleted file mode 100644
index e6fd954..0000000
--- a/arch/arm/mach-s3c24xx/irq-s3c2412.c
+++ /dev/null
@@ -1,192 +0,0 @@
-/* linux/arch/arm/mach-s3c2412/irq.c
- *
- * Copyright (c) 2006 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/irq.h>
-#include <plat/pm.h>
-
-#include "s3c2412-power.h"
-
-#define INTMSK(start, end) ((1 << ((end) + 1 - (start))) - 1)
-#define INTMSK_SUB(start, end) (INTMSK(start, end) << ((start - S3C2410_IRQSUB(0))))
-
-/* the s3c2412 changes the behaviour of IRQ_EINT0 through IRQ_EINT3 by
- * having them turn up in both the INT* and the EINT* registers. Whilst
- * both show the status, they both now need to be acked when the IRQs
- * go off.
-*/
-
-static void
-s3c2412_irq_mask(struct irq_data *data)
-{
-	unsigned long bitval = 1UL << (data->irq - IRQ_EINT0);
-	unsigned long mask;
-
-	mask = __raw_readl(S3C2410_INTMSK);
-	__raw_writel(mask | bitval, S3C2410_INTMSK);
-
-	mask = __raw_readl(S3C2412_EINTMASK);
-	__raw_writel(mask | bitval, S3C2412_EINTMASK);
-}
-
-static inline void
-s3c2412_irq_ack(struct irq_data *data)
-{
-	unsigned long bitval = 1UL << (data->irq - IRQ_EINT0);
-
-	__raw_writel(bitval, S3C2412_EINTPEND);
-	__raw_writel(bitval, S3C2410_SRCPND);
-	__raw_writel(bitval, S3C2410_INTPND);
-}
-
-static inline void
-s3c2412_irq_maskack(struct irq_data *data)
-{
-	unsigned long bitval = 1UL << (data->irq - IRQ_EINT0);
-	unsigned long mask;
-
-	mask = __raw_readl(S3C2410_INTMSK);
-	__raw_writel(mask|bitval, S3C2410_INTMSK);
-
-	mask = __raw_readl(S3C2412_EINTMASK);
-	__raw_writel(mask | bitval, S3C2412_EINTMASK);
-
-	__raw_writel(bitval, S3C2412_EINTPEND);
-	__raw_writel(bitval, S3C2410_SRCPND);
-	__raw_writel(bitval, S3C2410_INTPND);
-}
-
-static void
-s3c2412_irq_unmask(struct irq_data *data)
-{
-	unsigned long bitval = 1UL << (data->irq - IRQ_EINT0);
-	unsigned long mask;
-
-	mask = __raw_readl(S3C2412_EINTMASK);
-	__raw_writel(mask & ~bitval, S3C2412_EINTMASK);
-
-	mask = __raw_readl(S3C2410_INTMSK);
-	__raw_writel(mask & ~bitval, S3C2410_INTMSK);
-}
-
-static struct irq_chip s3c2412_irq_eint0t4 = {
-	.irq_ack	= s3c2412_irq_ack,
-	.irq_mask	= s3c2412_irq_mask,
-	.irq_unmask	= s3c2412_irq_unmask,
-	.irq_set_wake	= s3c_irq_wake,
-	.irq_set_type	= s3c_irqext_type,
-};
-
-#define INTBIT(x)	(1 << ((x) - S3C2410_IRQSUB(0)))
-
-/* CF and SDI sub interrupts */
-
-static void s3c2412_irq_demux_cfsdi(unsigned int irq, struct irq_desc *desc)
-{
-	unsigned int subsrc, submsk;
-
-	subsrc = __raw_readl(S3C2410_SUBSRCPND);
-	submsk = __raw_readl(S3C2410_INTSUBMSK);
-
-	subsrc  &= ~submsk;
-
-	if (subsrc & INTBIT(IRQ_S3C2412_SDI))
-		generic_handle_irq(IRQ_S3C2412_SDI);
-
-	if (subsrc & INTBIT(IRQ_S3C2412_CF))
-		generic_handle_irq(IRQ_S3C2412_CF);
-}
-
-#define INTMSK_CFSDI	(1UL << (IRQ_S3C2412_CFSDI - IRQ_EINT0))
-#define SUBMSK_CFSDI	INTMSK_SUB(IRQ_S3C2412_SDI, IRQ_S3C2412_CF)
-
-static void s3c2412_irq_cfsdi_mask(struct irq_data *data)
-{
-	s3c_irqsub_mask(data->irq, INTMSK_CFSDI, SUBMSK_CFSDI);
-}
-
-static void s3c2412_irq_cfsdi_unmask(struct irq_data *data)
-{
-	s3c_irqsub_unmask(data->irq, INTMSK_CFSDI);
-}
-
-static void s3c2412_irq_cfsdi_ack(struct irq_data *data)
-{
-	s3c_irqsub_maskack(data->irq, INTMSK_CFSDI, SUBMSK_CFSDI);
-}
-
-static struct irq_chip s3c2412_irq_cfsdi = {
-	.name		= "s3c2412-cfsdi",
-	.irq_ack	= s3c2412_irq_cfsdi_ack,
-	.irq_mask	= s3c2412_irq_cfsdi_mask,
-	.irq_unmask	= s3c2412_irq_cfsdi_unmask,
-};
-
-static int s3c2412_irq_add(struct device *dev, struct subsys_interface *sif)
-{
-	unsigned int irqno;
-
-	for (irqno = IRQ_EINT0; irqno <= IRQ_EINT3; irqno++) {
-		irq_set_chip_and_handler(irqno, &s3c2412_irq_eint0t4,
-					 handle_edge_irq);
-		set_irq_flags(irqno, IRQF_VALID);
-	}
-
-	/* add demux support for CF/SDI */
-
-	irq_set_chained_handler(IRQ_S3C2412_CFSDI, s3c2412_irq_demux_cfsdi);
-
-	for (irqno = IRQ_S3C2412_SDI; irqno <= IRQ_S3C2412_CF; irqno++) {
-		irq_set_chip_and_handler(irqno, &s3c2412_irq_cfsdi,
-					 handle_level_irq);
-		set_irq_flags(irqno, IRQF_VALID);
-	}
-
-	return 0;
-}
-
-static struct subsys_interface s3c2412_irq_interface = {
-	.name		= "s3c2412_irq",
-	.subsys		= &s3c2412_subsys,
-	.add_dev	= s3c2412_irq_add,
-};
-
-static int s3c2412_irq_init(void)
-{
-	return subsys_interface_register(&s3c2412_irq_interface);
-}
-
-arch_initcall(s3c2412_irq_init);