ARM: S3C64XX: Move IRQ support into mach-s3c64xx

Move IRQ support to mach-s3c64xx as it is unlikely to be re-used outside
this machine.

Signed-off-by: Ben Dooks <ben-linux@fluff.org>

5 files changed, 0 insertions, 610 deletions

diff --git a/arch/arm/plat-s3c64xx/Makefile b/arch/arm/plat-s3c64xx/Makefile
index 80255a5e1789..3e52dcdb3648 100644
--- a/arch/arm/plat-s3c64xx/Makefile
+++ b/arch/arm/plat-s3c64xx/Makefile
@@ -15,8 +15,6 @@ obj-				:=
 obj-y				+= dev-uart.o
 obj-y				+= dev-rtc.o
 obj-y				+= cpu.o
-obj-y				+= irq.o
-obj-y				+= irq-eint.o
 obj-y				+= clock.o
 obj-y				+= gpiolib.o
 
@@ -30,7 +28,6 @@ obj-$(CONFIG_CPU_FREQ_S3C64XX)  += cpufreq.o
 
 obj-$(CONFIG_PM)		+= pm.o
 obj-$(CONFIG_PM)		+= sleep.o
-obj-$(CONFIG_PM)		+= irq-pm.o
 
 # DMA support
 
diff --git a/arch/arm/plat-s3c64xx/include/plat/irqs.h b/arch/arm/plat-s3c64xx/include/plat/irqs.h
deleted file mode 100644
index a22758194e6d..000000000000
--- a/arch/arm/plat-s3c64xx/include/plat/irqs.h
+++ /dev/null
@@ -1,214 +0,0 @@
-/* linux/arch/arm/plat-s3c64xx/include/mach/irqs.h
- *
- * Copyright 2008 Openmoko, Inc.
- * Copyright 2008 Simtec Electronics
- *      Ben Dooks <ben@simtec.co.uk>
- *      http://armlinux.simtec.co.uk/
- *
- * S3C64XX - Common IRQ support
- */
-
-#ifndef __ASM_PLAT_S3C64XX_IRQS_H
-#define __ASM_PLAT_S3C64XX_IRQS_H __FILE__
-
-/* we keep the first set of CPU IRQs out of the range of
- * the ISA space, so that the PC104 has them to itself
- * and we don't end up having to do horrible things to the
- * standard ISA drivers....
- *
- * note, since we're using the VICs, our start must be a
- * mulitple of 32 to allow the common code to work
- */
-
-#define S3C_IRQ_OFFSET	(32)
-
-#define S3C_IRQ(x)	((x) + S3C_IRQ_OFFSET)
-
-#define IRQ_VIC0_BASE	S3C_IRQ(0)
-#define IRQ_VIC1_BASE	S3C_IRQ(32)
-
-/* UART interrupts, each UART has 4 intterupts per channel so
- * use the space between the ISA and S3C main interrupts. Note, these
- * are not in the same order as the S3C24XX series! */
-
-#define IRQ_S3CUART_BASE0	(16)
-#define IRQ_S3CUART_BASE1	(20)
-#define IRQ_S3CUART_BASE2	(24)
-#define IRQ_S3CUART_BASE3	(28)
-
-#define UART_IRQ_RXD		(0)
-#define UART_IRQ_ERR		(1)
-#define UART_IRQ_TXD		(2)
-#define UART_IRQ_MODEM		(3)
-
-#define IRQ_S3CUART_RX0		(IRQ_S3CUART_BASE0 + UART_IRQ_RXD)
-#define IRQ_S3CUART_TX0		(IRQ_S3CUART_BASE0 + UART_IRQ_TXD)
-#define IRQ_S3CUART_ERR0	(IRQ_S3CUART_BASE0 + UART_IRQ_ERR)
-
-#define IRQ_S3CUART_RX1		(IRQ_S3CUART_BASE1 + UART_IRQ_RXD)
-#define IRQ_S3CUART_TX1		(IRQ_S3CUART_BASE1 + UART_IRQ_TXD)
-#define IRQ_S3CUART_ERR1	(IRQ_S3CUART_BASE1 + UART_IRQ_ERR)
-
-#define IRQ_S3CUART_RX2		(IRQ_S3CUART_BASE2 + UART_IRQ_RXD)
-#define IRQ_S3CUART_TX2		(IRQ_S3CUART_BASE2 + UART_IRQ_TXD)
-#define IRQ_S3CUART_ERR2	(IRQ_S3CUART_BASE2 + UART_IRQ_ERR)
-
-#define IRQ_S3CUART_RX3		(IRQ_S3CUART_BASE3 + UART_IRQ_RXD)
-#define IRQ_S3CUART_TX3		(IRQ_S3CUART_BASE3 + UART_IRQ_TXD)
-#define IRQ_S3CUART_ERR3	(IRQ_S3CUART_BASE3 + UART_IRQ_ERR)
-
-/* VIC based IRQs */
-
-#define S3C64XX_IRQ_VIC0(x)	(IRQ_VIC0_BASE + (x))
-#define S3C64XX_IRQ_VIC1(x)	(IRQ_VIC1_BASE + (x))
-
-/* VIC0 */
-
-#define IRQ_EINT0_3		S3C64XX_IRQ_VIC0(0)
-#define IRQ_EINT4_11		S3C64XX_IRQ_VIC0(1)
-#define IRQ_RTC_TIC		S3C64XX_IRQ_VIC0(2)
-#define IRQ_CAMIF_C		S3C64XX_IRQ_VIC0(3)
-#define IRQ_CAMIF_P		S3C64XX_IRQ_VIC0(4)
-#define IRQ_CAMIF_MC		S3C64XX_IRQ_VIC0(5)
-#define IRQ_S3C6410_IIC1	S3C64XX_IRQ_VIC0(5)
-#define IRQ_S3C6410_IIS		S3C64XX_IRQ_VIC0(6)
-#define IRQ_S3C6400_CAMIF_MP	S3C64XX_IRQ_VIC0(6)
-#define IRQ_CAMIF_WE_C		S3C64XX_IRQ_VIC0(7)
-#define IRQ_S3C6410_G3D		S3C64XX_IRQ_VIC0(8)
-#define IRQ_S3C6400_CAMIF_WE_P	S3C64XX_IRQ_VIC0(8)
-#define IRQ_POST0		S3C64XX_IRQ_VIC0(9)
-#define IRQ_ROTATOR		S3C64XX_IRQ_VIC0(10)
-#define IRQ_2D			S3C64XX_IRQ_VIC0(11)
-#define IRQ_TVENC		S3C64XX_IRQ_VIC0(12)
-#define IRQ_SCALER		S3C64XX_IRQ_VIC0(13)
-#define IRQ_BATF		S3C64XX_IRQ_VIC0(14)
-#define IRQ_JPEG		S3C64XX_IRQ_VIC0(15)
-#define IRQ_MFC			S3C64XX_IRQ_VIC0(16)
-#define IRQ_SDMA0		S3C64XX_IRQ_VIC0(17)
-#define IRQ_SDMA1		S3C64XX_IRQ_VIC0(18)
-#define IRQ_ARM_DMAERR		S3C64XX_IRQ_VIC0(19)
-#define IRQ_ARM_DMA		S3C64XX_IRQ_VIC0(20)
-#define IRQ_ARM_DMAS		S3C64XX_IRQ_VIC0(21)
-#define IRQ_KEYPAD		S3C64XX_IRQ_VIC0(22)
-#define IRQ_TIMER0_VIC		S3C64XX_IRQ_VIC0(23)
-#define IRQ_TIMER1_VIC		S3C64XX_IRQ_VIC0(24)
-#define IRQ_TIMER2_VIC		S3C64XX_IRQ_VIC0(25)
-#define IRQ_WDT			S3C64XX_IRQ_VIC0(26)
-#define IRQ_TIMER3_VIC		S3C64XX_IRQ_VIC0(27)
-#define IRQ_TIMER4_VIC		S3C64XX_IRQ_VIC0(28)
-#define IRQ_LCD_FIFO		S3C64XX_IRQ_VIC0(29)
-#define IRQ_LCD_VSYNC		S3C64XX_IRQ_VIC0(30)
-#define IRQ_LCD_SYSTEM		S3C64XX_IRQ_VIC0(31)
-
-/* VIC1 */
-
-#define IRQ_EINT12_19		S3C64XX_IRQ_VIC1(0)
-#define IRQ_EINT20_27		S3C64XX_IRQ_VIC1(1)
-#define IRQ_PCM0		S3C64XX_IRQ_VIC1(2)
-#define IRQ_PCM1		S3C64XX_IRQ_VIC1(3)
-#define IRQ_AC97		S3C64XX_IRQ_VIC1(4)
-#define IRQ_UART0		S3C64XX_IRQ_VIC1(5)
-#define IRQ_UART1		S3C64XX_IRQ_VIC1(6)
-#define IRQ_UART2		S3C64XX_IRQ_VIC1(7)
-#define IRQ_UART3		S3C64XX_IRQ_VIC1(8)
-#define IRQ_DMA0		S3C64XX_IRQ_VIC1(9)
-#define IRQ_DMA1		S3C64XX_IRQ_VIC1(10)
-#define IRQ_ONENAND0		S3C64XX_IRQ_VIC1(11)
-#define IRQ_ONENAND1		S3C64XX_IRQ_VIC1(12)
-#define IRQ_NFC			S3C64XX_IRQ_VIC1(13)
-#define IRQ_CFCON		S3C64XX_IRQ_VIC1(14)
-#define IRQ_USBH		S3C64XX_IRQ_VIC1(15)
-#define IRQ_SPI0		S3C64XX_IRQ_VIC1(16)
-#define IRQ_SPI1		S3C64XX_IRQ_VIC1(17)
-#define IRQ_IIC			S3C64XX_IRQ_VIC1(18)
-#define IRQ_HSItx		S3C64XX_IRQ_VIC1(19)
-#define IRQ_HSIrx		S3C64XX_IRQ_VIC1(20)
-#define IRQ_RESERVED		S3C64XX_IRQ_VIC1(21)
-#define IRQ_MSM			S3C64XX_IRQ_VIC1(22)
-#define IRQ_HOSTIF		S3C64XX_IRQ_VIC1(23)
-#define IRQ_HSMMC0		S3C64XX_IRQ_VIC1(24)
-#define IRQ_HSMMC1		S3C64XX_IRQ_VIC1(25)
-#define IRQ_HSMMC2		IRQ_SPI1	/* shared with SPI1 */
-#define IRQ_OTG			S3C64XX_IRQ_VIC1(26)
-#define IRQ_IRDA		S3C64XX_IRQ_VIC1(27)
-#define IRQ_RTC_ALARM		S3C64XX_IRQ_VIC1(28)
-#define IRQ_SEC			S3C64XX_IRQ_VIC1(29)
-#define IRQ_PENDN		S3C64XX_IRQ_VIC1(30)
-#define IRQ_TC			IRQ_PENDN
-#define IRQ_ADC			S3C64XX_IRQ_VIC1(31)
-
-#define S3C64XX_TIMER_IRQ(x)	S3C_IRQ(64 + (x))
-
-#define IRQ_TIMER0		S3C64XX_TIMER_IRQ(0)
-#define IRQ_TIMER1		S3C64XX_TIMER_IRQ(1)
-#define IRQ_TIMER2		S3C64XX_TIMER_IRQ(2)
-#define IRQ_TIMER3		S3C64XX_TIMER_IRQ(3)
-#define IRQ_TIMER4		S3C64XX_TIMER_IRQ(4)
-
-/* compatibility for device defines */
-
-#define IRQ_IIC1		IRQ_S3C6410_IIC1
-
-/* Since the IRQ_EINT(x) are a linear mapping on current s3c64xx series
- * we just defined them as an IRQ_EINT(x) macro from S3C_IRQ_EINT_BASE
- * which we place after the pair of VICs. */
-
-#define S3C_IRQ_EINT_BASE	S3C_IRQ(64+5)
-
-#define S3C_EINT(x)		((x) + S3C_IRQ_EINT_BASE)
-#define IRQ_EINT(x)		S3C_EINT(x)
-#define IRQ_EINT_BIT(x)		((x) - S3C_EINT(0))
-
-/* Next the external interrupt groups. These are similar to the IRQ_EINT(x)
- * that they are sourced from the GPIO pins but with a different scheme for
- * priority and source indication.
- *
- * The IRQ_EINT(x) can be thought of as 'group 0' of the available GPIO
- * interrupts, but for historical reasons they are kept apart from these
- * next interrupts.
- *
- * Use IRQ_EINT_GROUP(group, offset) to get the number for use in the
- * machine specific support files.
- */
-
-#define IRQ_EINT_GROUP1_NR	(15)
-#define IRQ_EINT_GROUP2_NR	(8)
-#define IRQ_EINT_GROUP3_NR	(5)
-#define IRQ_EINT_GROUP4_NR	(14)
-#define IRQ_EINT_GROUP5_NR	(7)
-#define IRQ_EINT_GROUP6_NR	(10)
-#define IRQ_EINT_GROUP7_NR	(16)
-#define IRQ_EINT_GROUP8_NR	(15)
-#define IRQ_EINT_GROUP9_NR	(9)
-
-#define IRQ_EINT_GROUP_BASE	S3C_EINT(28)
-#define IRQ_EINT_GROUP1_BASE	(IRQ_EINT_GROUP_BASE + 0x00)
-#define IRQ_EINT_GROUP2_BASE	(IRQ_EINT_GROUP1_BASE + IRQ_EINT_GROUP1_NR)
-#define IRQ_EINT_GROUP3_BASE	(IRQ_EINT_GROUP2_BASE + IRQ_EINT_GROUP2_NR)
-#define IRQ_EINT_GROUP4_BASE	(IRQ_EINT_GROUP3_BASE + IRQ_EINT_GROUP3_NR)
-#define IRQ_EINT_GROUP5_BASE	(IRQ_EINT_GROUP4_BASE + IRQ_EINT_GROUP4_NR)
-#define IRQ_EINT_GROUP6_BASE	(IRQ_EINT_GROUP5_BASE + IRQ_EINT_GROUP5_NR)
-#define IRQ_EINT_GROUP7_BASE	(IRQ_EINT_GROUP6_BASE + IRQ_EINT_GROUP6_NR)
-#define IRQ_EINT_GROUP8_BASE	(IRQ_EINT_GROUP7_BASE + IRQ_EINT_GROUP7_NR)
-#define IRQ_EINT_GROUP9_BASE	(IRQ_EINT_GROUP8_BASE + IRQ_EINT_GROUP8_NR)
-
-#define IRQ_EINT_GROUP(group, no)	(IRQ_EINT_GROUP##group##_BASE + (no))
-
-/* Define a group of interrupts for board-specific use (eg, for MFD
- * interrupt controllers). */
-#define IRQ_BOARD_START (IRQ_EINT_GROUP9_BASE + IRQ_EINT_GROUP9_NR + 1)
-
-#ifdef CONFIG_SMDK6410_WM1190_EV1
-#define IRQ_BOARD_NR 64
-#else
-#define IRQ_BOARD_NR 16
-#endif
-
-#define IRQ_BOARD_END (IRQ_BOARD_START + IRQ_BOARD_NR)
-
-/* Set the default NR_IRQS */
-
-#define NR_IRQS	(IRQ_BOARD_END + 1)
-
-#endif /* __ASM_PLAT_S3C64XX_IRQS_H */
-
diff --git a/arch/arm/plat-s3c64xx/irq-eint.c b/arch/arm/plat-s3c64xx/irq-eint.c
deleted file mode 100644
index 5682d6a7f4af..000000000000
--- a/arch/arm/plat-s3c64xx/irq-eint.c
+++ /dev/null
@@ -1,213 +0,0 @@
-/* arch/arm/plat-s3c64xx/irq-eint.c
- *
- * Copyright 2008 Openmoko, Inc.
- * Copyright 2008 Simtec Electronics
- *      Ben Dooks <ben@simtec.co.uk>
- *      http://armlinux.simtec.co.uk/
- *
- * S3C64XX - Interrupt handling for IRQ_EINT(x)
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- */
-
-#include <linux/kernel.h>
-#include <linux/interrupt.h>
-#include <linux/sysdev.h>
-#include <linux/gpio.h>
-#include <linux/irq.h>
-#include <linux/io.h>
-
-#include <asm/hardware/vic.h>
-
-#include <plat/regs-irqtype.h>
-#include <mach/regs-gpio.h>
-#include <plat/gpio-cfg.h>
-
-#include <mach/map.h>
-#include <plat/cpu.h>
-#include <plat/pm.h>
-
-#define eint_offset(irq)	((irq) - IRQ_EINT(0))
-#define eint_irq_to_bit(irq)	(1 << eint_offset(irq))
-
-static inline void s3c_irq_eint_mask(unsigned int irq)
-{
-	u32 mask;
-
-	mask = __raw_readl(S3C64XX_EINT0MASK);
-	mask |= eint_irq_to_bit(irq);
-	__raw_writel(mask, S3C64XX_EINT0MASK);
-}
-
-static void s3c_irq_eint_unmask(unsigned int irq)
-{
-	u32 mask;
-
-	mask = __raw_readl(S3C64XX_EINT0MASK);
-	mask &= ~eint_irq_to_bit(irq);
-	__raw_writel(mask, S3C64XX_EINT0MASK);
-}
-
-static inline void s3c_irq_eint_ack(unsigned int irq)
-{
-	__raw_writel(eint_irq_to_bit(irq), S3C64XX_EINT0PEND);
-}
-
-static void s3c_irq_eint_maskack(unsigned int irq)
-{
-	/* compiler should in-line these */
-	s3c_irq_eint_mask(irq);
-	s3c_irq_eint_ack(irq);
-}
-
-static int s3c_irq_eint_set_type(unsigned int irq, unsigned int type)
-{
-	int offs = eint_offset(irq);
-	int pin, pin_val;
-	int shift;
-	u32 ctrl, mask;
-	u32 newvalue = 0;
-	void __iomem *reg;
-
-	if (offs > 27)
-		return -EINVAL;
-
-	if (offs <= 15)
-		reg = S3C64XX_EINT0CON0;
-	else
-		reg = S3C64XX_EINT0CON1;
-
-	switch (type) {
-	case IRQ_TYPE_NONE:
-		printk(KERN_WARNING "No edge setting!\n");
-		break;
-
-	case IRQ_TYPE_EDGE_RISING:
-		newvalue = S3C2410_EXTINT_RISEEDGE;
-		break;
-
-	case IRQ_TYPE_EDGE_FALLING:
-		newvalue = S3C2410_EXTINT_FALLEDGE;
-		break;
-
-	case IRQ_TYPE_EDGE_BOTH:
-		newvalue = S3C2410_EXTINT_BOTHEDGE;
-		break;
-
-	case IRQ_TYPE_LEVEL_LOW:
-		newvalue = S3C2410_EXTINT_LOWLEV;
-		break;
-
-	case IRQ_TYPE_LEVEL_HIGH:
-		newvalue = S3C2410_EXTINT_HILEV;
-		break;
-
-	default:
-		printk(KERN_ERR "No such irq type %d", type);
-		return -1;
-	}
-
-	if (offs <= 15)
-		shift = (offs / 2) * 4;
-	else
-		shift = ((offs - 16) / 2) * 4;
-	mask = 0x7 << shift;
-
-	ctrl = __raw_readl(reg);
-	ctrl &= ~mask;
-	ctrl |= newvalue << shift;
-	__raw_writel(ctrl, reg);
-
-	/* set the GPIO pin appropriately */
-
-	if (offs < 16) {
-		pin = S3C64XX_GPN(offs);
-		pin_val = S3C_GPIO_SFN(2);
-	} else if (offs < 23) {
-		pin = S3C64XX_GPL(offs + 8 - 16);
-		pin_val = S3C_GPIO_SFN(3);
-	} else {
-		pin = S3C64XX_GPM(offs - 23);
-		pin_val = S3C_GPIO_SFN(3);
-	}
-
-	s3c_gpio_cfgpin(pin, pin_val);
-
-	return 0;
-}
-
-static struct irq_chip s3c_irq_eint = {
-	.name		= "s3c-eint",
-	.mask		= s3c_irq_eint_mask,
-	.unmask		= s3c_irq_eint_unmask,
-	.mask_ack	= s3c_irq_eint_maskack,
-	.ack		= s3c_irq_eint_ack,
-	.set_type	= s3c_irq_eint_set_type,
-	.set_wake	= s3c_irqext_wake,
-};
-
-/* s3c_irq_demux_eint
- *
- * This function demuxes the IRQ from the group0 external interrupts,
- * from IRQ_EINT(0) to IRQ_EINT(27). It is designed to be inlined into
- * the specific handlers s3c_irq_demux_eintX_Y.
- */
-static inline void s3c_irq_demux_eint(unsigned int start, unsigned int end)
-{
-	u32 status = __raw_readl(S3C64XX_EINT0PEND);
-	u32 mask = __raw_readl(S3C64XX_EINT0MASK);
-	unsigned int irq;
-
-	status &= ~mask;
-	status >>= start;
-	status &= (1 << (end - start + 1)) - 1;
-
-	for (irq = IRQ_EINT(start); irq <= IRQ_EINT(end); irq++) {
-		if (status & 1)
-			generic_handle_irq(irq);
-
-		status >>= 1;
-	}
-}
-
-static void s3c_irq_demux_eint0_3(unsigned int irq, struct irq_desc *desc)
-{
-	s3c_irq_demux_eint(0, 3);
-}
-
-static void s3c_irq_demux_eint4_11(unsigned int irq, struct irq_desc *desc)
-{
-	s3c_irq_demux_eint(4, 11);
-}
-
-static void s3c_irq_demux_eint12_19(unsigned int irq, struct irq_desc *desc)
-{
-	s3c_irq_demux_eint(12, 19);
-}
-
-static void s3c_irq_demux_eint20_27(unsigned int irq, struct irq_desc *desc)
-{
-	s3c_irq_demux_eint(20, 27);
-}
-
-static int __init s3c64xx_init_irq_eint(void)
-{
-	int irq;
-
-	for (irq = IRQ_EINT(0); irq <= IRQ_EINT(27); irq++) {
-		set_irq_chip(irq, &s3c_irq_eint);
-		set_irq_handler(irq, handle_level_irq);
-		set_irq_flags(irq, IRQF_VALID);
-	}
-
-	set_irq_chained_handler(IRQ_EINT0_3, s3c_irq_demux_eint0_3);
-	set_irq_chained_handler(IRQ_EINT4_11, s3c_irq_demux_eint4_11);
-	set_irq_chained_handler(IRQ_EINT12_19, s3c_irq_demux_eint12_19);
-	set_irq_chained_handler(IRQ_EINT20_27, s3c_irq_demux_eint20_27);
-
-	return 0;
-}
-
-arch_initcall(s3c64xx_init_irq_eint);
diff --git a/arch/arm/plat-s3c64xx/irq-pm.c b/arch/arm/plat-s3c64xx/irq-pm.c
deleted file mode 100644
index da1bec64b9da..000000000000
--- a/arch/arm/plat-s3c64xx/irq-pm.c
+++ /dev/null
@@ -1,111 +0,0 @@
-/* arch/arm/plat-s3c64xx/irq-pm.c
- *
- * Copyright 2008 Openmoko, Inc.
- * Copyright 2008 Simtec Electronics
- *      Ben Dooks <ben@simtec.co.uk>
- *      http://armlinux.simtec.co.uk/
- *
- * S3C64XX - Interrupt handling Power Management
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- */
-
-#include <linux/kernel.h>
-#include <linux/sysdev.h>
-#include <linux/interrupt.h>
-#include <linux/serial_core.h>
-#include <linux/irq.h>
-#include <linux/io.h>
-
-#include <mach/map.h>
-
-#include <plat/regs-serial.h>
-#include <plat/regs-timer.h>
-#include <mach/regs-gpio.h>
-#include <plat/cpu.h>
-#include <plat/pm.h>
-
-/* We handled all the IRQ types in this code, to save having to make several
- * small files to handle each different type separately. Having the EINT_GRP
- * code here shouldn't be as much bloat as the IRQ table space needed when
- * they are enabled. The added benefit is we ensure that these registers are
- * in the same state as we suspended.
- */
-
-static struct sleep_save irq_save[] = {
-	SAVE_ITEM(S3C64XX_PRIORITY),
-	SAVE_ITEM(S3C64XX_EINT0CON0),
-	SAVE_ITEM(S3C64XX_EINT0CON1),
-	SAVE_ITEM(S3C64XX_EINT0FLTCON0),
-	SAVE_ITEM(S3C64XX_EINT0FLTCON1),
-	SAVE_ITEM(S3C64XX_EINT0FLTCON2),
-	SAVE_ITEM(S3C64XX_EINT0FLTCON3),
-	SAVE_ITEM(S3C64XX_EINT0MASK),
-	SAVE_ITEM(S3C64XX_TINT_CSTAT),
-};
-
-static struct irq_grp_save {
-	u32	fltcon;
-	u32	con;
-	u32	mask;
-} eint_grp_save[5];
-
-static u32 irq_uart_mask[CONFIG_SERIAL_SAMSUNG_UARTS];
-
-static int s3c64xx_irq_pm_suspend(struct sys_device *dev, pm_message_t state)
-{
-	struct irq_grp_save *grp = eint_grp_save;
-	int i;
-
-	S3C_PMDBG("%s: suspending IRQs\n", __func__);
-
-	s3c_pm_do_save(irq_save, ARRAY_SIZE(irq_save));
-
-	for (i = 0; i < CONFIG_SERIAL_SAMSUNG_UARTS; i++)
-		irq_uart_mask[i] = __raw_readl(S3C_VA_UARTx(i) + S3C64XX_UINTM);
-
-	for (i = 0; i < ARRAY_SIZE(eint_grp_save); i++, grp++) {
-		grp->con = __raw_readl(S3C64XX_EINT12CON + (i * 4));
-		grp->mask = __raw_readl(S3C64XX_EINT12MASK + (i * 4));
-		grp->fltcon = __raw_readl(S3C64XX_EINT12FLTCON + (i * 4));
-	}
-
-	return 0;
-}
-
-static int s3c64xx_irq_pm_resume(struct sys_device *dev)
-{
-	struct irq_grp_save *grp = eint_grp_save;
-	int i;
-
-	S3C_PMDBG("%s: resuming IRQs\n", __func__);
-
-	s3c_pm_do_restore(irq_save, ARRAY_SIZE(irq_save));
-
-	for (i = 0; i < CONFIG_SERIAL_SAMSUNG_UARTS; i++)
-		__raw_writel(irq_uart_mask[i], S3C_VA_UARTx(i) + S3C64XX_UINTM);
-
-	for (i = 0; i < ARRAY_SIZE(eint_grp_save); i++, grp++) {
-		__raw_writel(grp->con, S3C64XX_EINT12CON + (i * 4));
-		__raw_writel(grp->mask, S3C64XX_EINT12MASK + (i * 4));
-		__raw_writel(grp->fltcon, S3C64XX_EINT12FLTCON + (i * 4));
-	}
-
-	S3C_PMDBG("%s: IRQ configuration restored\n", __func__);
-	return 0;
-}
-
-static struct sysdev_driver s3c64xx_irq_driver = {
-	.suspend = s3c64xx_irq_pm_suspend,
-	.resume	 = s3c64xx_irq_pm_resume,
-};
-
-static int __init s3c64xx_irq_pm_init(void)
-{
-	return sysdev_driver_register(&s3c64xx_sysclass, &s3c64xx_irq_driver);
-}
-
-arch_initcall(s3c64xx_irq_pm_init);
-
diff --git a/arch/arm/plat-s3c64xx/irq.c b/arch/arm/plat-s3c64xx/irq.c
deleted file mode 100644
index 67a145d440f3..000000000000
--- a/arch/arm/plat-s3c64xx/irq.c
+++ /dev/null
@@ -1,69 +0,0 @@
-/* arch/arm/plat-s3c64xx/irq.c
- *
- * Copyright 2008 Openmoko, Inc.
- * Copyright 2008 Simtec Electronics
- *      Ben Dooks <ben@simtec.co.uk>
- *      http://armlinux.simtec.co.uk/
- *
- * S3C64XX - Interrupt handling
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- */
-
-#include <linux/kernel.h>
-#include <linux/interrupt.h>
-#include <linux/serial_core.h>
-#include <linux/irq.h>
-#include <linux/io.h>
-
-#include <asm/hardware/vic.h>
-
-#include <mach/map.h>
-#include <plat/irq-vic-timer.h>
-#include <plat/irq-uart.h>
-#include <plat/cpu.h>
-
-static struct s3c_uart_irq uart_irqs[] = {
-	[0] = {
-		.regs		= S3C_VA_UART0,
-		.base_irq	= IRQ_S3CUART_BASE0,
-		.parent_irq	= IRQ_UART0,
-	},
-	[1] = {
-		.regs		= S3C_VA_UART1,
-		.base_irq	= IRQ_S3CUART_BASE1,
-		.parent_irq	= IRQ_UART1,
-	},
-	[2] = {
-		.regs		= S3C_VA_UART2,
-		.base_irq	= IRQ_S3CUART_BASE2,
-		.parent_irq	= IRQ_UART2,
-	},
-	[3] = {
-		.regs		= S3C_VA_UART3,
-		.base_irq	= IRQ_S3CUART_BASE3,
-		.parent_irq	= IRQ_UART3,
-	},
-};
-
-
-void __init s3c64xx_init_irq(u32 vic0_valid, u32 vic1_valid)
-{
-	printk(KERN_DEBUG "%s: initialising interrupts\n", __func__);
-
-	/* initialise the pair of VICs */
-	vic_init(VA_VIC0, IRQ_VIC0_BASE, vic0_valid, 0);
-	vic_init(VA_VIC1, IRQ_VIC1_BASE, vic1_valid, 0);
-
-	/* add the timer sub-irqs */
-
-	s3c_init_vic_timer_irq(IRQ_TIMER0_VIC, IRQ_TIMER0);
-	s3c_init_vic_timer_irq(IRQ_TIMER1_VIC, IRQ_TIMER1);
-	s3c_init_vic_timer_irq(IRQ_TIMER2_VIC, IRQ_TIMER2);
-	s3c_init_vic_timer_irq(IRQ_TIMER3_VIC, IRQ_TIMER3);
-	s3c_init_vic_timer_irq(IRQ_TIMER4_VIC, IRQ_TIMER4);
-
-	s3c_init_uart_irqs(uart_irqs, ARRAY_SIZE(uart_irqs));
-}