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Commit 0df04f82 authored by Jongpill Lee's avatar Jongpill Lee Committed by Ben Dooks
Browse files

ARM: S5PV210: Add IRQ_EINT interrupt support. 



Add support for external interrupts on S5PV210.

Signed-off-by: default avatarJongpill Lee <boyko.lee@samsung.com>
Signed-off-by: default avatarPannaga Bhushan <p.bhushan@samsung.com>
Signed-off-by: default avatarKukjin Kim <kgene.kim@samsung.com>
[ben-linux@fluff.org: Ext => IRQ_EINT in title]
Signed-off-by: default avatarBen Dooks <ben-linux@fluff.org>
parent 504d36e9

arch/arm/mach-s5pv210/Kconfig

+1 −0
Original line number Original line Diff line number Diff line
@@ -13,6 +13,7 @@ config CPU_S5PV210 
	bool

	bool

	select PLAT_S5P

	select PLAT_S5P

	select S3C_PL330_DMA

	select S3C_PL330_DMA

	select S5P_EXT_INT

	help

	help

	  Enable S5PV210 CPU support

	  Enable S5PV210 CPU support

arch/arm/mach-s5pv210/include/mach/irqs.h

+11 −20
Original line number Original line Diff line number Diff line
@@ -17,22 +17,6 @@ 




/* VIC0: System, DMA, Timer */

/* VIC0: System, DMA, Timer */





#define IRQ_EINT0		S5P_IRQ_VIC0(0)

#define IRQ_EINT1		S5P_IRQ_VIC0(1)

#define IRQ_EINT2		S5P_IRQ_VIC0(2)

#define IRQ_EINT3		S5P_IRQ_VIC0(3)

#define IRQ_EINT4		S5P_IRQ_VIC0(4)

#define IRQ_EINT5		S5P_IRQ_VIC0(5)

#define IRQ_EINT6		S5P_IRQ_VIC0(6)

#define IRQ_EINT7		S5P_IRQ_VIC0(7)

#define IRQ_EINT8		S5P_IRQ_VIC0(8)

#define IRQ_EINT9		S5P_IRQ_VIC0(9)

#define IRQ_EINT10		S5P_IRQ_VIC0(10)

#define IRQ_EINT11		S5P_IRQ_VIC0(11)

#define IRQ_EINT12		S5P_IRQ_VIC0(12)

#define IRQ_EINT13		S5P_IRQ_VIC0(13)

#define IRQ_EINT14		S5P_IRQ_VIC0(14)

#define IRQ_EINT15		S5P_IRQ_VIC0(15)

#define IRQ_EINT16_31		S5P_IRQ_VIC0(16)

#define IRQ_EINT16_31		S5P_IRQ_VIC0(16)

#define IRQ_BATF		S5P_IRQ_VIC0(17)

#define IRQ_BATF		S5P_IRQ_VIC0(17)

#define IRQ_MDMA		S5P_IRQ_VIC0(18)

#define IRQ_MDMA		S5P_IRQ_VIC0(18)
@@ -134,13 +118,20 @@ 
#define IRQ_MDNIE3		S5P_IRQ_VIC3(8)

#define IRQ_MDNIE3		S5P_IRQ_VIC3(8)

#define IRQ_VIC_END		S5P_IRQ_VIC3(31)

#define IRQ_VIC_END		S5P_IRQ_VIC3(31)





#define S5P_IRQ_EINT_BASE	(IRQ_VIC_END + 1)

#define S5P_EINT_16_31_BASE	(IRQ_VIC_END + 1)





#define S5P_EINT(x)		((x) + S5P_IRQ_EINT_BASE)

#define EINT_MODE		S3C_GPIO_SFN(0xf)

#define IRQ_EINT(x)		S5P_EINT(x)



#define IRQ_EINT(x)		((x) < 16 ? ((x) + S5P_IRQ_VIC0(0)) \

					: ((x) + S5P_EINT_16_31_BASE))





/* Set the default NR_IRQS */

/* Set the default NR_IRQS */





#define NR_IRQS			(IRQ_EINT(31) + 1)

#define NR_IRQS			(IRQ_EINT(31) + 1)





#define EINT_GPIO_0(x)		S5PV210_GPH0(x)

#define EINT_GPIO_1(x)		S5PV210_GPH1(x)

#define EINT_GPIO_2(x)		S5PV210_GPH2(x)

#define EINT_GPIO_3(x)		S5PV210_GPH3(x)



#endif /* ASM_ARCH_IRQS_H */
 
#endif /* ASM_ARCH_IRQS_H */

arch/arm/mach-s5pv210/include/mach/regs-gpio.h

0 → 100644
+44 −0
Original line number Original line Diff line number Diff line 
/* linux/arch/arm/mach-s5pv210/include/mach/regs-gpio.h

 *

 * Copyright (c) 2010 Samsung Electronics Co., Ltd.

 *		http://www.samsung.com

 *

 * S5PV210 - GPIO (including EINT) register definitions

 *

 * 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.

*/



#ifndef __ASM_ARCH_REGS_GPIO_H

#define __ASM_ARCH_REGS_GPIO_H __FILE__



#include <mach/map.h>



#define S5PV210_EINT30CON		(S5P_VA_GPIO + 0xE00)

#define S5P_EINT_CON(x)			(S5PV210_EINT30CON + ((x) * 0x4))



#define S5PV210_EINT30FLTCON0		(S5P_VA_GPIO + 0xE80)

#define S5P_EINT_FLTCON(x)		(S5PV210_EINT30FLTCON0 + ((x) * 0x4))



#define S5PV210_EINT30MASK		(S5P_VA_GPIO + 0xF00)

#define S5P_EINT_MASK(x)		(S5PV210_EINT30MASK + ((x) * 0x4))



#define S5PV210_EINT30PEND		(S5P_VA_GPIO + 0xF40)

#define S5P_EINT_PEND(x)		(S5PV210_EINT30PEND + ((x) * 0x4))



#define eint_offset(irq)	((irq) < IRQ_EINT16_31 ? ((irq) - IRQ_EINT(0)) \

						: ((irq) - S5P_EINT_16_31_BASE))



#define EINT_REG_NR(x)			(eint_offset(x) >> 3)



#define eint_irq_to_bit(irq)		(1 << (eint_offset(irq) & 0x7))



/* values for S5P_EXTINT0 */

#define S5P_EXTINT_LOWLEV		(0x00)

#define S5P_EXTINT_HILEV		(0x01)

#define S5P_EXTINT_FALLEDGE		(0x02)

#define S5P_EXTINT_RISEEDGE		(0x03)

#define S5P_EXTINT_BOTHEDGE		(0x04)



#endif /* __ASM_ARCH_REGS_GPIO_H */

arch/arm/plat-s5p/Kconfig

+5 −0
Original line number Original line Diff line number Diff line
@@ -24,3 +24,8 @@ config PLAT_S5P 
	select SAMSUNG_IRQ_UART

	select SAMSUNG_IRQ_UART

	help

	help

	  Base platform code for Samsung's S5P series SoC.

	  Base platform code for Samsung's S5P series SoC.



config S5P_EXT_INT

	bool

	help

	  Use the external interrupts (other than GPIO interrupts.)

arch/arm/plat-s5p/Makefile

+2 −0
Original line number Original line Diff line number Diff line
@@ -16,3 +16,5 @@ obj-y += dev-uart.o 
obj-y				+= cpu.o

obj-y				+= cpu.o

obj-y				+= clock.o

obj-y				+= clock.o

obj-y				+= irq.o

obj-y				+= irq.o

obj-$(CONFIG_S5P_EXT_INT)	+= irq-eint.o

obj-y				+= setup-i2c0.o