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Commit c9b870e7 authored by Byungho Min's avatar Byungho Min Committed by Ben Dooks
Browse files

ARM: S5PC100: IRQ and timer 



S5PC100 has 3 VICs(Vectored Interrupt Controller). The VICs come from S3C64xx
series, so the driver source code can be shared with S3C families. The S5PC100
has 3 VICs while S3C64xx has only 2.

Signed-off-by: default avatarByungho Min <bhmin@samsung.com>
[ben-linux@fluff.org: subject fixup]
Signed-off-by: default avatarBen Dooks <ben-linux@fluff.org>
parent 0164cbf4

arch/arm/mach-s5pc100/include/mach/irqs.h

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/* linux/arch/arm/mach-s5pc100/include/mach/irqs.h

 *

 * Copyright 2009 Samsung Electronics Co.

 *      Byungho Min <bhmin@samsung.com>

 *

 * S5PC100 - IRQ definitions

 */



#ifndef __ASM_ARCH_IRQS_H

#define __ASM_ARCH_IRQS_H __FILE__



#include <plat/irqs.h>



#endif /* __ASM_ARCH_IRQ_H */

arch/arm/mach-s5pc100/include/mach/pwm-clock.h

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/* linux/arch/arm/mach-s5pc100/include/mach/pwm-clock.h

 *

 * Copyright 2009 Samsung Electronics Co.

 *      Byungho Min <bhmin@samsung.com>

 *

 * S5PC100 - pwm clock and timer support

 *

 * Based on mach-s3c6400/include/mach/pwm-clock.h

 */



/**

 * pwm_cfg_src_is_tclk() - return whether the given mux config is a tclk

 * @tcfg: The timer TCFG1 register bits shifted down to 0.

 *

 * Return true if the given configuration from TCFG1 is a TCLK instead

 * any of the TDIV clocks.

 */

static inline int pwm_cfg_src_is_tclk(unsigned long tcfg)

{

	return tcfg >= S3C64XX_TCFG1_MUX_TCLK;

}



/**

 * tcfg_to_divisor() - convert tcfg1 setting to a divisor

 * @tcfg1: The tcfg1 setting, shifted down.

 *

 * Get the divisor value for the given tcfg1 setting. We assume the

 * caller has already checked to see if this is not a TCLK source.

 */

static inline unsigned long tcfg_to_divisor(unsigned long tcfg1)

{

	return 1 << tcfg1;

}



/**

 * pwm_tdiv_has_div1() - does the tdiv setting have a /1

 *

 * Return true if we have a /1 in the tdiv setting.

 */

static inline unsigned int pwm_tdiv_has_div1(void)

{

	return 1;

}



/**

 * pwm_tdiv_div_bits() - calculate TCFG1 divisor value.

 * @div: The divisor to calculate the bit information for.

 *

 * Turn a divisor into the necessary bit field for TCFG1.

 */

static inline unsigned long pwm_tdiv_div_bits(unsigned int div)

{

	return ilog2(div);

}



#define S3C_TCFG1_MUX_TCLK S3C64XX_TCFG1_MUX_TCLK

arch/arm/mach-s5pc100/include/mach/regs-irq.h

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/* linux/arch/arm/mach-s5pc100/include/mach/regs-irq.h

 *

 * Copyright 2009 Samsung Electronics Co.

 *	Byungho Min <bhmin@samsung.com>

 *

 * S5PC1XX - IRQ 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_IRQ_H

#define __ASM_ARCH_REGS_IRQ_H __FILE__



#include <mach/map.h>

#include <asm/hardware/vic.h>



/* interrupt controller */

#define S5PC1XX_VIC0REG(x)          		((x) + S5PC1XX_VA_VIC(0))

#define S5PC1XX_VIC1REG(x)          		((x) + S5PC1XX_VA_VIC(1))

#define S5PC1XX_VIC2REG(x)         		((x) + S5PC1XX_VA_VIC(2))



#endif /* __ASM_ARCH_REGS_IRQ_H */

arch/arm/mach-s5pc100/include/mach/tick.h

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/* linux/arch/arm/mach-s5pc100/include/mach/tick.h

 *

 * Copyright 2009 Samsung Electronics Co.

 *	Byungho Min <bhmin@samsung.com>

 *

 * S3C64XX - Timer tick support definitions

 *

 * Based on mach-s3c6400/include/mach/tick.h

 *

 * 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_TICK_H

#define __ASM_ARCH_TICK_H __FILE__



/* note, the timer interrutps turn up in 2 places, the vic and then

 * the timer block. We take the VIC as the base at the moment.

 */

static inline u32 s3c24xx_ostimer_pending(void)

{

	u32 pend = __raw_readl(S3C_VA_VIC0 + VIC_RAW_STATUS);

	return pend & 1 << (IRQ_TIMER4 - S5PC1XX_IRQ_VIC0(0));

}



#define TICK_MAX	(0xffffffff)



#endif /* __ASM_ARCH_TICK_H */

arch/arm/plat-s5pc1xx/include/plat/irqs.h

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/* linux/arch/arm/plat-s5pc1xx/include/plat/irqs.h

 *

 * Copyright 2009 Samsung Electronics Co.

 *      Byungho Min <bhmin@samsung.com>

 *

 * S5PC1XX - Common IRQ support

 *

 * Based on plat-s3c64xx/include/plat/irqs.h

 */



#ifndef __ASM_PLAT_S5PC1XX_IRQS_H

#define __ASM_PLAT_S5PC1XX_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 S3C_VIC0_BASE		S3C_IRQ(0)

#define S3C_VIC1_BASE		S3C_IRQ(32)

#define S3C_VIC2_BASE		S3C_IRQ(64)



/* 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 S5PC1XX_IRQ_VIC0(x)	(S3C_VIC0_BASE + (x))

#define S5PC1XX_IRQ_VIC1(x)	(S3C_VIC1_BASE + (x))

#define S5PC1XX_IRQ_VIC2(x)	(S3C_VIC2_BASE + (x))



/*

 * VIC0: system, DMA, timer

 */

#define IRQ_EINT0		S5PC1XX_IRQ_VIC0(0)

#define IRQ_EINT1		S5PC1XX_IRQ_VIC0(1)

#define IRQ_EINT2		S5PC1XX_IRQ_VIC0(2)

#define IRQ_EINT3		S5PC1XX_IRQ_VIC0(3)

#define IRQ_EINT4		S5PC1XX_IRQ_VIC0(4)

#define IRQ_EINT5		S5PC1XX_IRQ_VIC0(5)

#define IRQ_EINT6		S5PC1XX_IRQ_VIC0(6)

#define IRQ_EINT7		S5PC1XX_IRQ_VIC0(7)

#define IRQ_EINT8		S5PC1XX_IRQ_VIC0(8)

#define IRQ_EINT9		S5PC1XX_IRQ_VIC0(9)

#define IRQ_EINT10		S5PC1XX_IRQ_VIC0(10)

#define IRQ_EINT11		S5PC1XX_IRQ_VIC0(11)

#define IRQ_EINT12		S5PC1XX_IRQ_VIC0(12)

#define IRQ_EINT13		S5PC1XX_IRQ_VIC0(13)

#define IRQ_EINT14		S5PC1XX_IRQ_VIC0(14)

#define IRQ_EINT15		S5PC1XX_IRQ_VIC0(15)

#define IRQ_EINT16_31		S5PC1XX_IRQ_VIC0(16)

#define IRQ_BATF		S5PC1XX_IRQ_VIC0(17)

#define IRQ_MDMA		S5PC1XX_IRQ_VIC0(18)

#define IRQ_PDMA0		S5PC1XX_IRQ_VIC0(19)

#define IRQ_PDMA1		S5PC1XX_IRQ_VIC0(20)

#define IRQ_TIMER0		S5PC1XX_IRQ_VIC0(21)

#define IRQ_TIMER1		S5PC1XX_IRQ_VIC0(22)

#define IRQ_TIMER2		S5PC1XX_IRQ_VIC0(23)

#define IRQ_TIMER3		S5PC1XX_IRQ_VIC0(24)

#define IRQ_TIMER4		S5PC1XX_IRQ_VIC0(25)

#define IRQ_SYSTIMER		S5PC1XX_IRQ_VIC0(26)

#define IRQ_WDT			S5PC1XX_IRQ_VIC0(27)

#define IRQ_RTC_ALARM		S5PC1XX_IRQ_VIC0(28)

#define IRQ_RTC_TIC		S5PC1XX_IRQ_VIC0(29)

#define IRQ_GPIOINT		S5PC1XX_IRQ_VIC0(30)



/*

 * VIC1: ARM, power, memory, connectivity

 */

#define IRQ_CORTEX0		S5PC1XX_IRQ_VIC1(0)

#define IRQ_CORTEX1		S5PC1XX_IRQ_VIC1(1)

#define IRQ_CORTEX2		S5PC1XX_IRQ_VIC1(2)

#define IRQ_CORTEX3		S5PC1XX_IRQ_VIC1(3)

#define IRQ_CORTEX4		S5PC1XX_IRQ_VIC1(4)

#define IRQ_IEMAPC		S5PC1XX_IRQ_VIC1(5)

#define IRQ_IEMIEC		S5PC1XX_IRQ_VIC1(6)

#define IRQ_ONENAND		S5PC1XX_IRQ_VIC1(7)

#define IRQ_NFC			S5PC1XX_IRQ_VIC1(8)

#define IRQ_CFC			S5PC1XX_IRQ_VIC1(9)

#define IRQ_UART0		S5PC1XX_IRQ_VIC1(10)

#define IRQ_UART1		S5PC1XX_IRQ_VIC1(11)

#define IRQ_UART2		S5PC1XX_IRQ_VIC1(12)

#define IRQ_UART3		S5PC1XX_IRQ_VIC1(13)

#define IRQ_IIC			S5PC1XX_IRQ_VIC1(14)

#define IRQ_SPI0		S5PC1XX_IRQ_VIC1(15)

#define IRQ_SPI1		S5PC1XX_IRQ_VIC1(16)

#define IRQ_SPI2		S5PC1XX_IRQ_VIC1(17)

#define IRQ_IRDA		S5PC1XX_IRQ_VIC1(18)

#define IRQ_CAN0		S5PC1XX_IRQ_VIC1(19)

#define IRQ_CAN1		S5PC1XX_IRQ_VIC1(20)

#define IRQ_HSIRX		S5PC1XX_IRQ_VIC1(21)

#define IRQ_HSITX		S5PC1XX_IRQ_VIC1(22)

#define IRQ_UHOST		S5PC1XX_IRQ_VIC1(23)

#define IRQ_OTG			S5PC1XX_IRQ_VIC1(24)

#define IRQ_MSM			S5PC1XX_IRQ_VIC1(25)

#define IRQ_HSMMC0		S5PC1XX_IRQ_VIC1(26)

#define IRQ_HSMMC1		S5PC1XX_IRQ_VIC1(27)

#define IRQ_HSMMC2		S5PC1XX_IRQ_VIC1(28)

#define IRQ_MIPICSI		S5PC1XX_IRQ_VIC1(29)

#define IRQ_MIPIDSI		S5PC1XX_IRQ_VIC1(30)



/*

 * VIC2: multimedia, audio, security

 */

#define IRQ_LCD0		S5PC1XX_IRQ_VIC2(0)

#define IRQ_LCD1		S5PC1XX_IRQ_VIC2(1)

#define IRQ_LCD2		S5PC1XX_IRQ_VIC2(2)

#define IRQ_LCD3		S5PC1XX_IRQ_VIC2(3)

#define IRQ_ROTATOR		S5PC1XX_IRQ_VIC2(4)

#define IRQ_FIMC0		S5PC1XX_IRQ_VIC2(5)

#define IRQ_FIMC1		S5PC1XX_IRQ_VIC2(6)

#define IRQ_FIMC2		S5PC1XX_IRQ_VIC2(7)

#define IRQ_JPEG		S5PC1XX_IRQ_VIC2(8)

#define IRQ_2D			S5PC1XX_IRQ_VIC2(9)

#define IRQ_3D			S5PC1XX_IRQ_VIC2(10)

#define IRQ_MIXER		S5PC1XX_IRQ_VIC2(11)

#define IRQ_HDMI		S5PC1XX_IRQ_VIC2(12)

#define IRQ_IIC1		S5PC1XX_IRQ_VIC2(13)

#define IRQ_MFC			S5PC1XX_IRQ_VIC2(14)

#define IRQ_TVENC		S5PC1XX_IRQ_VIC2(15)

#define IRQ_I2S0		S5PC1XX_IRQ_VIC2(16)

#define IRQ_I2S1		S5PC1XX_IRQ_VIC2(17)

#define IRQ_I2S2		S5PC1XX_IRQ_VIC2(18)

#define IRQ_AC97		S5PC1XX_IRQ_VIC2(19)

#define IRQ_PCM0		S5PC1XX_IRQ_VIC2(20)

#define IRQ_PCM1		S5PC1XX_IRQ_VIC2(21)

#define IRQ_SPDIF		S5PC1XX_IRQ_VIC2(22)

#define IRQ_ADC			S5PC1XX_IRQ_VIC2(23)

#define IRQ_PENDN		S5PC1XX_IRQ_VIC2(24)

#define IRQ_TC			IRQ_PENDN

#define IRQ_KEYPAD		S5PC1XX_IRQ_VIC2(25)

#define IRQ_CG			S5PC1XX_IRQ_VIC2(26)

#define IRQ_SEC			S5PC1XX_IRQ_VIC2(27)

#define IRQ_SECRX		S5PC1XX_IRQ_VIC2(28)

#define IRQ_SECTX		S5PC1XX_IRQ_VIC2(29)

#define IRQ_SDMIRQ		S5PC1XX_IRQ_VIC2(30)

#define IRQ_SDMFIQ		S5PC1XX_IRQ_VIC2(31)



#define S3C_IRQ_EINT_BASE	(IRQ_SDMFIQ + 1)



#define S3C_EINT(x)		((x) + S3C_IRQ_EINT_BASE)

#define IRQ_EINT(x)		S3C_EINT(x)



#define NR_IRQS 		(IRQ_EINT(31)+1)



#endif /* __ASM_PLAT_S5PC1XX_IRQS_H */