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/*
 *  arch/arm/mach-pxa/include/mach/pxa-regs.h
 *
 *  Author:	Nicolas Pitre
 *  Created:	Jun 15, 2001
 *  Copyright:	MontaVista Software Inc.
 *
 * 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 __PXA_REGS_H
#define __PXA_REGS_H

#include <mach/hardware.h>

/*
 * PXA Chip selects
 */

#define PXA_CS0_PHYS	0x00000000
#define PXA_CS1_PHYS	0x04000000
#define PXA_CS2_PHYS	0x08000000
#define PXA_CS3_PHYS	0x0C000000
#define PXA_CS4_PHYS	0x10000000
#define PXA_CS5_PHYS	0x14000000


/*
 * Personal Computer Memory Card International Association (PCMCIA) sockets
 */

#define PCMCIAPrtSp	0x04000000	/* PCMCIA Partition Space [byte]   */
#define PCMCIASp	(4*PCMCIAPrtSp)	/* PCMCIA Space [byte]             */
#define PCMCIAIOSp	PCMCIAPrtSp	/* PCMCIA I/O Space [byte]         */
#define PCMCIAAttrSp	PCMCIAPrtSp	/* PCMCIA Attribute Space [byte]   */
#define PCMCIAMemSp	PCMCIAPrtSp	/* PCMCIA Memory Space [byte]      */

#define PCMCIA0Sp	PCMCIASp	/* PCMCIA 0 Space [byte]           */
#define PCMCIA0IOSp	PCMCIAIOSp	/* PCMCIA 0 I/O Space [byte]       */
#define PCMCIA0AttrSp	PCMCIAAttrSp	/* PCMCIA 0 Attribute Space [byte] */
#define PCMCIA0MemSp	PCMCIAMemSp	/* PCMCIA 0 Memory Space [byte]    */

#define PCMCIA1Sp	PCMCIASp	/* PCMCIA 1 Space [byte]           */
#define PCMCIA1IOSp	PCMCIAIOSp	/* PCMCIA 1 I/O Space [byte]       */
#define PCMCIA1AttrSp	PCMCIAAttrSp	/* PCMCIA 1 Attribute Space [byte] */
#define PCMCIA1MemSp	PCMCIAMemSp	/* PCMCIA 1 Memory Space [byte]    */

#define _PCMCIA(Nb)	        	/* PCMCIA [0..1]                   */ \
                	(0x20000000 + (Nb)*PCMCIASp)
#define _PCMCIAIO(Nb)	_PCMCIA (Nb)	/* PCMCIA I/O [0..1]               */
#define _PCMCIAAttr(Nb)	        	/* PCMCIA Attribute [0..1]         */ \
                	(_PCMCIA (Nb) + 2*PCMCIAPrtSp)
#define _PCMCIAMem(Nb)	        	/* PCMCIA Memory [0..1]            */ \
                	(_PCMCIA (Nb) + 3*PCMCIAPrtSp)

#define _PCMCIA0	_PCMCIA (0)	/* PCMCIA 0                        */
#define _PCMCIA0IO	_PCMCIAIO (0)	/* PCMCIA 0 I/O                    */
#define _PCMCIA0Attr	_PCMCIAAttr (0)	/* PCMCIA 0 Attribute              */
#define _PCMCIA0Mem	_PCMCIAMem (0)	/* PCMCIA 0 Memory                 */

#define _PCMCIA1	_PCMCIA (1)	/* PCMCIA 1                        */
#define _PCMCIA1IO	_PCMCIAIO (1)	/* PCMCIA 1 I/O                    */
#define _PCMCIA1Attr	_PCMCIAAttr (1)	/* PCMCIA 1 Attribute              */
#define _PCMCIA1Mem	_PCMCIAMem (1)	/* PCMCIA 1 Memory                 */

/*
 * Real Time Clock
 */

#define RCNR		__REG(0x40900000)  /* RTC Count Register */
#define RTAR		__REG(0x40900004)  /* RTC Alarm Register */
#define RTSR		__REG(0x40900008)  /* RTC Status Register */
#define RTTR		__REG(0x4090000C)  /* RTC Timer Trim Register */
#define PIAR		__REG(0x40900038)  /* Periodic Interrupt Alarm Register */

#define RTSR_PICE	(1 << 15)	/* Periodic interrupt count enable */
#define RTSR_PIALE	(1 << 14)	/* Periodic interrupt Alarm enable */
#define RTSR_HZE	(1 << 3)	/* HZ interrupt enable */
#define RTSR_ALE	(1 << 2)	/* RTC alarm interrupt enable */
#define RTSR_HZ		(1 << 1)	/* HZ rising-edge detected */
#define RTSR_AL		(1 << 0)	/* RTC alarm detected */


/*
 * OS Timer & Match Registers
 */

#define OSMR0		__REG(0x40A00000)  /* */
#define OSMR1		__REG(0x40A00004)  /* */
#define OSMR2		__REG(0x40A00008)  /* */
#define OSMR3		__REG(0x40A0000C)  /* */
#define OSMR4		__REG(0x40A00080)  /* */
#define OSCR		__REG(0x40A00010)  /* OS Timer Counter Register */
#define OSCR4		__REG(0x40A00040)  /* OS Timer Counter Register */
#define OMCR4		__REG(0x40A000C0)  /* */
#define OSSR		__REG(0x40A00014)  /* OS Timer Status Register */
#define OWER		__REG(0x40A00018)  /* OS Timer Watchdog Enable Register */
#define OIER		__REG(0x40A0001C)  /* OS Timer Interrupt Enable Register */

#define OSSR_M3		(1 << 3)	/* Match status channel 3 */
#define OSSR_M2		(1 << 2)	/* Match status channel 2 */
#define OSSR_M1		(1 << 1)	/* Match status channel 1 */
#define OSSR_M0		(1 << 0)	/* Match status channel 0 */

#define OWER_WME	(1 << 0)	/* Watchdog Match Enable */

#define OIER_E3		(1 << 3)	/* Interrupt enable channel 3 */
#define OIER_E2		(1 << 2)	/* Interrupt enable channel 2 */
#define OIER_E1		(1 << 1)	/* Interrupt enable channel 1 */
#define OIER_E0		(1 << 0)	/* Interrupt enable channel 0 */


/*
 * Interrupt Controller
 */

#define ICIP		__REG(0x40D00000)  /* Interrupt Controller IRQ Pending Register */
#define ICMR		__REG(0x40D00004)  /* Interrupt Controller Mask Register */
#define ICLR		__REG(0x40D00008)  /* Interrupt Controller Level Register */
#define ICFP		__REG(0x40D0000C)  /* Interrupt Controller FIQ Pending Register */
#define ICPR		__REG(0x40D00010)  /* Interrupt Controller Pending Register */
#define ICCR		__REG(0x40D00014)  /* Interrupt Controller Control Register */

#define ICIP2		__REG(0x40D0009C)  /* Interrupt Controller IRQ Pending Register 2 */
#define ICMR2		__REG(0x40D000A0)  /* Interrupt Controller Mask Register 2 */
#define ICLR2		__REG(0x40D000A4)  /* Interrupt Controller Level Register 2 */
#define ICFP2		__REG(0x40D000A8)  /* Interrupt Controller FIQ Pending Register 2 */
#define ICPR2		__REG(0x40D000AC)  /* Interrupt Controller Pending Register 2 */

/*
 * General Purpose I/O
 */

#define GPLR0		__REG(0x40E00000)  /* GPIO Pin-Level Register GPIO<31:0> */
#define GPLR1		__REG(0x40E00004)  /* GPIO Pin-Level Register GPIO<63:32> */
#define GPLR2		__REG(0x40E00008)  /* GPIO Pin-Level Register GPIO<80:64> */

#define GPDR0		__REG(0x40E0000C)  /* GPIO Pin Direction Register GPIO<31:0> */
#define GPDR1		__REG(0x40E00010)  /* GPIO Pin Direction Register GPIO<63:32> */
#define GPDR2		__REG(0x40E00014)  /* GPIO Pin Direction Register GPIO<80:64> */

#define GPSR0		__REG(0x40E00018)  /* GPIO Pin Output Set Register GPIO<31:0> */
#define GPSR1		__REG(0x40E0001C)  /* GPIO Pin Output Set Register GPIO<63:32> */
#define GPSR2		__REG(0x40E00020)  /* GPIO Pin Output Set Register GPIO<80:64> */

#define GPCR0		__REG(0x40E00024)  /* GPIO Pin Output Clear Register GPIO<31:0> */
#define GPCR1		__REG(0x40E00028)  /* GPIO Pin Output Clear Register GPIO <63:32> */
#define GPCR2		__REG(0x40E0002C)  /* GPIO Pin Output Clear Register GPIO <80:64> */

#define GRER0		__REG(0x40E00030)  /* GPIO Rising-Edge Detect Register GPIO<31:0> */
#define GRER1		__REG(0x40E00034)  /* GPIO Rising-Edge Detect Register GPIO<63:32> */
#define GRER2		__REG(0x40E00038)  /* GPIO Rising-Edge Detect Register GPIO<80:64> */

#define GFER0		__REG(0x40E0003C)  /* GPIO Falling-Edge Detect Register GPIO<31:0> */
#define GFER1		__REG(0x40E00040)  /* GPIO Falling-Edge Detect Register GPIO<63:32> */
#define GFER2		__REG(0x40E00044)  /* GPIO Falling-Edge Detect Register GPIO<80:64> */

#define GEDR0		__REG(0x40E00048)  /* GPIO Edge Detect Status Register GPIO<31:0> */
#define GEDR1		__REG(0x40E0004C)  /* GPIO Edge Detect Status Register GPIO<63:32> */
#define GEDR2		__REG(0x40E00050)  /* GPIO Edge Detect Status Register GPIO<80:64> */

#define GAFR0_L		__REG(0x40E00054)  /* GPIO Alternate Function Select Register GPIO<15:0> */
#define GAFR0_U		__REG(0x40E00058)  /* GPIO Alternate Function Select Register GPIO<31:16> */
#define GAFR1_L		__REG(0x40E0005C)  /* GPIO Alternate Function Select Register GPIO<47:32> */
#define GAFR1_U		__REG(0x40E00060)  /* GPIO Alternate Function Select Register GPIO<63:48> */
#define GAFR2_L		__REG(0x40E00064)  /* GPIO Alternate Function Select Register GPIO<79:64> */
#define GAFR2_U		__REG(0x40E00068)  /* GPIO Alternate Function Select Register GPIO<95-80> */
#define GAFR3_L		__REG(0x40E0006C)  /* GPIO Alternate Function Select Register GPIO<111:96> */
#define GAFR3_U		__REG(0x40E00070)  /* GPIO Alternate Function Select Register GPIO<127:112> */

#define GPLR3		__REG(0x40E00100)  /* GPIO Pin-Level Register GPIO<127:96> */
#define GPDR3		__REG(0x40E0010C)  /* GPIO Pin Direction Register GPIO<127:96> */
#define GPSR3		__REG(0x40E00118)  /* GPIO Pin Output Set Register GPIO<127:96> */
#define GPCR3		__REG(0x40E00124)  /* GPIO Pin Output Clear Register GPIO<127:96> */
#define GRER3		__REG(0x40E00130)  /* GPIO Rising-Edge Detect Register GPIO<127:96> */
#define GFER3		__REG(0x40E0013C)  /* GPIO Falling-Edge Detect Register GPIO<127:96> */
#define GEDR3		__REG(0x40E00148)  /* GPIO Edge Detect Status Register GPIO<127:96> */

/* More handy macros.  The argument is a literal GPIO number. */

#define GPIO_bit(x)	(1 << ((x) & 0x1f))

#define _GPLR(x)	__REG2(0x40E00000, ((x) & 0x60) >> 3)
#define _GPDR(x)	__REG2(0x40E0000C, ((x) & 0x60) >> 3)
#define _GPSR(x)	__REG2(0x40E00018, ((x) & 0x60) >> 3)
#define _GPCR(x)	__REG2(0x40E00024, ((x) & 0x60) >> 3)
#define _GRER(x)	__REG2(0x40E00030, ((x) & 0x60) >> 3)
#define _GFER(x)	__REG2(0x40E0003C, ((x) & 0x60) >> 3)
#define _GEDR(x)	__REG2(0x40E00048, ((x) & 0x60) >> 3)
#define _GAFR(x)	__REG2(0x40E00054, ((x) & 0x70) >> 2)

#define GPLR(x) 	(*((((x) & 0x7f) < 96) ? &_GPLR(x) : &GPLR3))
#define GPDR(x)		(*((((x) & 0x7f) < 96) ? &_GPDR(x) : &GPDR3))
#define GPSR(x)		(*((((x) & 0x7f) < 96) ? &_GPSR(x) : &GPSR3))
#define GPCR(x)		(*((((x) & 0x7f) < 96) ? &_GPCR(x) : &GPCR3))
#define GRER(x)		(*((((x) & 0x7f) < 96) ? &_GRER(x) : &GRER3))
#define GFER(x)		(*((((x) & 0x7f) < 96) ? &_GFER(x) : &GFER3))
#define GEDR(x)		(*((((x) & 0x7f) < 96) ? &_GEDR(x) : &GEDR3))
#define GAFR(x)		(*((((x) & 0x7f) < 96) ? &_GAFR(x) : \
			 ((((x) & 0x7f) < 112) ? &GAFR3_L : &GAFR3_U)))

#endif