Commit da065a0b authored by Eric Miao's avatar Eric Miao
Browse files

[ARM] pxa: move GPIO register definitions into <mach/gpio.h> 



This makes gpio.c fully independent of pxa-regs.h (except for the
virtual address of the registers).

Signed-off-by: default avatarMike Rapoport <mike@compulab.co.il>
Signed-off-by: default avatarEric Miao <eric.miao@marvell.com>
parent 0d9f768f

arch/arm/mach-pxa/generic.c

+1 −1
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@@ -26,8 +26,8 @@ 
#include <asm/mach/map.h>

#include <asm/mach-types.h>



#include <mach/pxa-regs.h>

#include <mach/reset.h>

#include <mach/gpio.h>

#include <mach/pxa2xx-gpio.h>



#include "generic.h"

arch/arm/mach-pxa/gpio.c

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@@ -18,16 +18,12 @@ 
#include <linux/sysdev.h>

#include <linux/io.h>



#include <asm/gpio.h>

#include <mach/hardware.h>

#include <mach/pxa-regs.h>

#include <mach/gpio.h>



#include "generic.h"



#define GPIO0_BASE	((void __iomem *)io_p2v(0x40E00000))

#define GPIO1_BASE	((void __iomem *)io_p2v(0x40E00004))

#define GPIO2_BASE	((void __iomem *)io_p2v(0x40E00008))

#define GPIO3_BASE	((void __iomem *)io_p2v(0x40E00100))

#define GPIO0_BASE	(GPIO_REGS_VIRT + 0x0000)

#define GPIO1_BASE	(GPIO_REGS_VIRT + 0x0004)

#define GPIO2_BASE	(GPIO_REGS_VIRT + 0x0008)

#define GPIO3_BASE	(GPIO_REGS_VIRT + 0x0100)



#define GPLR_OFFSET	0x00

#define GPDR_OFFSET	0x0C

arch/arm/mach-pxa/include/mach/gpio.h

+71 −3
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@@ -24,12 +24,80 @@ 
#ifndef __ASM_ARCH_PXA_GPIO_H

#define __ASM_ARCH_PXA_GPIO_H



#include <mach/pxa-regs.h>

#include <asm/irq.h>

#include <mach/irqs.h>

#include <mach/hardware.h>



#include <asm-generic/gpio.h>



#define GPIO_REGS_VIRT	io_p2v(0x40E00000)



#define BANK_OFF(n)	(((n) > 3) ? (n) << 2 : 0x100 + (((n) - 3) << 2))

#define GPIO_REG(x)	(*(volatile u32 *)(GPIO_REGS_VIRT + (x)))



/* GPIO Pin Level Registers */

#define GPLR0		GPIO_REG(BANK_OFF(0) + 0x00)

#define GPLR1		GPIO_REG(BANK_OFF(1) + 0x00)

#define GPLR2		GPIO_REG(BANK_OFF(2) + 0x00)

#define GPLR3		GPIO_REG(BANK_OFF(3) + 0x00)



/* GPIO Pin Direction Registers */

#define GPDR0		GPIO_REG(BANK_OFF(0) + 0x0c)

#define GPDR1		GPIO_REG(BANK_OFF(1) + 0x0c)

#define GPDR2		GPIO_REG(BANK_OFF(2) + 0x0c)

#define GPDR3		GPIO_REG(BANK_OFF(3) + 0x0c)



/* GPIO Pin Output Set Registers */

#define GPSR0		GPIO_REG(BANK_OFF(0) + 0x18)

#define GPSR1		GPIO_REG(BANK_OFF(1) + 0x18)

#define GPSR2		GPIO_REG(BANK_OFF(2) + 0x18)

#define GPSR3		GPIO_REG(BANK_OFF(3) + 0x18)



/* GPIO Pin Output Clear Registers */

#define GPCR0		GPIO_REG(BANK_OFF(0) + 0x24)

#define GPCR1		GPIO_REG(BANK_OFF(1) + 0x24)

#define GPCR2		GPIO_REG(BANK_OFF(2) + 0x24)

#define GPCR3		GPIO_REG(BANK_OFF(3) + 0x24)



/* GPIO Rising Edge Detect Registers */

#define GRER0		GPIO_REG(BANK_OFF(0) + 0x30)

#define GRER1		GPIO_REG(BANK_OFF(1) + 0x30)

#define GRER2		GPIO_REG(BANK_OFF(2) + 0x30)

#define GRER3		GPIO_REG(BANK_OFF(3) + 0x30)



/* GPIO Falling Edge Detect Registers */

#define GFER0		GPIO_REG(BANK_OFF(0) + 0x3c)

#define GFER1		GPIO_REG(BANK_OFF(1) + 0x3c)

#define GFER2		GPIO_REG(BANK_OFF(2) + 0x3c)

#define GFER3		GPIO_REG(BANK_OFF(3) + 0x3c)



/* GPIO Edge Detect Status Registers */

#define GEDR0		GPIO_REG(BANK_OFF(0) + 0x48)

#define GEDR1		GPIO_REG(BANK_OFF(1) + 0x48)

#define GEDR2		GPIO_REG(BANK_OFF(2) + 0x48)

#define GEDR3		GPIO_REG(BANK_OFF(3) + 0x48)



/* GPIO Alternate Function Select Registers */

#define GAFR0_L		GPIO_REG(0x0054)

#define GAFR0_U		GPIO_REG(0x0058)

#define GAFR1_L		GPIO_REG(0x005C)

#define GAFR1_U		GPIO_REG(0x0060)

#define GAFR2_L		GPIO_REG(0x0064)

#define GAFR2_U		GPIO_REG(0x0068)

#define GAFR3_L		GPIO_REG(0x006C)

#define GAFR3_U		GPIO_REG(0x0070)



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



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



#define GPLR(x)		GPIO_REG(BANK_OFF((x) >> 5) + 0x00)

#define GPDR(x)		GPIO_REG(BANK_OFF((x) >> 5) + 0x0c)

#define GPSR(x)		GPIO_REG(BANK_OFF((x) >> 5) + 0x18)

#define GPCR(x)		GPIO_REG(BANK_OFF((x) >> 5) + 0x24)

#define GRER(x)		GPIO_REG(BANK_OFF((x) >> 5) + 0x30)

#define GFER(x)		GPIO_REG(BANK_OFF((x) >> 5) + 0x3c)

#define GEDR(x)		GPIO_REG(BANK_OFF((x) >> 5) + 0x48)

#define GAFR(x)		GPIO_REG(0x54 + (((x) & 0x70) >> 2))





/* NOTE: some PXAs have fewer on-chip GPIOs (like PXA255, with 85).

 * Those cases currently cause holes in the GPIO number space.

arch/arm/mach-pxa/include/mach/pxa-regs.h

+0 −72
Original line number Diff line number Diff line
@@ -129,76 +129,4 @@ 
#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

arch/arm/mach-pxa/include/mach/pxa2xx-gpio.h

+2 −0
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@@ -3,6 +3,8 @@ 


#warning Please use mfp-pxa2[57]x.h instead of pxa2xx-gpio.h



#include <mach/gpio.h>



/* GPIO alternate function assignments */



#define GPIO1_RST		1	/* reset */

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