arch/arm/mach-pxa/idp.h - linux - Git at Google

 /* SPDX-License-Identifier: GPL-2.0-only */
 /*
  *  arch/arm/mach-pxa/include/mach/idp.h
  *
  * Copyright (c) 2001 Cliff Brake, Accelent Systems Inc.
  *
  * 2001-09-13: Cliff Brake <cbrake@accelent.com>
  *             Initial code
  *
  * 2005-02-15: Cliff Brake <cliff.brake@gmail.com>
  *             <http://www.vibren.com> <http://bec-systems.com>
  *             Changes for 2.6 kernel.
  */


 /*
  * Note: this file must be safe to include in assembly files
  *
  * Support for the Vibren PXA255 IDP requires rev04 or later
  * IDP hardware.
  */

 #include "irqs.h" /* PXA_GPIO_TO_IRQ */

 #define IDP_FLASH_PHYS		(PXA_CS0_PHYS)
 #define IDP_ALT_FLASH_PHYS	(PXA_CS1_PHYS)
 #define IDP_MEDIAQ_PHYS		(PXA_CS3_PHYS)
 #define IDP_IDE_PHYS		(PXA_CS5_PHYS + 0x03000000)
 #define IDP_ETH_PHYS		(PXA_CS5_PHYS + 0x03400000)
 #define IDP_COREVOLT_PHYS	(PXA_CS5_PHYS + 0x03800000)
 #define IDP_CPLD_PHYS		(PXA_CS5_PHYS + 0x03C00000)


 /*
  * virtual memory map
  */

 #define IDP_COREVOLT_VIRT	(0xf0000000)
 #define IDP_COREVOLT_SIZE	(1*1024*1024)

 #define IDP_CPLD_VIRT		(IDP_COREVOLT_VIRT + IDP_COREVOLT_SIZE)
 #define IDP_CPLD_SIZE		(1*1024*1024)

 #if (IDP_CPLD_VIRT + IDP_CPLD_SIZE) > 0xfc000000
 #error Your custom IO space is getting a bit large !!
 #endif

 #define CPLD_P2V(x)		((x) - IDP_CPLD_PHYS + IDP_CPLD_VIRT)
 #define CPLD_V2P(x)		((x) - IDP_CPLD_VIRT + IDP_CPLD_PHYS)

 #ifndef __ASSEMBLY__
 #  define __CPLD_REG(x)		(*((volatile unsigned long *)CPLD_P2V(x)))
 #else
 #  define __CPLD_REG(x)		CPLD_P2V(x)
 #endif

 /* board level registers in the CPLD: (offsets from CPLD_VIRT) */

 #define _IDP_CPLD_REV			(IDP_CPLD_PHYS + 0x00)
 #define _IDP_CPLD_PERIPH_PWR		(IDP_CPLD_PHYS + 0x04)
 #define _IDP_CPLD_LED_CONTROL		(IDP_CPLD_PHYS + 0x08)
 #define _IDP_CPLD_KB_COL_HIGH		(IDP_CPLD_PHYS + 0x0C)
 #define _IDP_CPLD_KB_COL_LOW		(IDP_CPLD_PHYS + 0x10)
 #define _IDP_CPLD_PCCARD_EN		(IDP_CPLD_PHYS + 0x14)
 #define _IDP_CPLD_GPIOH_DIR		(IDP_CPLD_PHYS + 0x18)
 #define _IDP_CPLD_GPIOH_VALUE		(IDP_CPLD_PHYS + 0x1C)
 #define _IDP_CPLD_GPIOL_DIR		(IDP_CPLD_PHYS + 0x20)
 #define _IDP_CPLD_GPIOL_VALUE		(IDP_CPLD_PHYS + 0x24)
 #define _IDP_CPLD_PCCARD_PWR		(IDP_CPLD_PHYS + 0x28)
 #define _IDP_CPLD_MISC_CTRL		(IDP_CPLD_PHYS + 0x2C)
 #define _IDP_CPLD_LCD			(IDP_CPLD_PHYS + 0x30)
 #define _IDP_CPLD_FLASH_WE		(IDP_CPLD_PHYS + 0x34)

 #define _IDP_CPLD_KB_ROW		(IDP_CPLD_PHYS + 0x50)
 #define _IDP_CPLD_PCCARD0_STATUS	(IDP_CPLD_PHYS + 0x54)
 #define _IDP_CPLD_PCCARD1_STATUS	(IDP_CPLD_PHYS + 0x58)
 #define _IDP_CPLD_MISC_STATUS		(IDP_CPLD_PHYS + 0x5C)

 /* FPGA register virtual addresses */

 #define IDP_CPLD_REV			__CPLD_REG(_IDP_CPLD_REV)
 #define IDP_CPLD_PERIPH_PWR		__CPLD_REG(_IDP_CPLD_PERIPH_PWR)
 #define IDP_CPLD_LED_CONTROL		__CPLD_REG(_IDP_CPLD_LED_CONTROL)
 #define IDP_CPLD_KB_COL_HIGH		__CPLD_REG(_IDP_CPLD_KB_COL_HIGH)
 #define IDP_CPLD_KB_COL_LOW		__CPLD_REG(_IDP_CPLD_KB_COL_LOW)
 #define IDP_CPLD_PCCARD_EN		__CPLD_REG(_IDP_CPLD_PCCARD_EN)
 #define IDP_CPLD_GPIOH_DIR		__CPLD_REG(_IDP_CPLD_GPIOH_DIR)
 #define IDP_CPLD_GPIOH_VALUE		__CPLD_REG(_IDP_CPLD_GPIOH_VALUE)
 #define IDP_CPLD_GPIOL_DIR		__CPLD_REG(_IDP_CPLD_GPIOL_DIR)
 #define IDP_CPLD_GPIOL_VALUE		__CPLD_REG(_IDP_CPLD_GPIOL_VALUE)
 #define IDP_CPLD_PCCARD_PWR		__CPLD_REG(_IDP_CPLD_PCCARD_PWR)
 #define IDP_CPLD_MISC_CTRL		__CPLD_REG(_IDP_CPLD_MISC_CTRL)
 #define IDP_CPLD_LCD			__CPLD_REG(_IDP_CPLD_LCD)
 #define IDP_CPLD_FLASH_WE		__CPLD_REG(_IDP_CPLD_FLASH_WE)

 #define IDP_CPLD_KB_ROW		        __CPLD_REG(_IDP_CPLD_KB_ROW)
 #define IDP_CPLD_PCCARD0_STATUS	        __CPLD_REG(_IDP_CPLD_PCCARD0_STATUS)
 #define IDP_CPLD_PCCARD1_STATUS	        __CPLD_REG(_IDP_CPLD_PCCARD1_STATUS)
 #define IDP_CPLD_MISC_STATUS		__CPLD_REG(_IDP_CPLD_MISC_STATUS)


 /*
  * Bit masks for various registers
  */

 // IDP_CPLD_PCCARD_PWR
 #define PCC0_PWR0	(1 << 0)
 #define PCC0_PWR1	(1 << 1)
 #define PCC0_PWR2	(1 << 2)
 #define PCC0_PWR3	(1 << 3)
 #define PCC1_PWR0	(1 << 4)
 #define PCC1_PWR1	(1 << 5)
 #define PCC1_PWR2	(1 << 6)
 #define PCC1_PWR3	(1 << 7)

 // IDP_CPLD_PCCARD_EN
 #define PCC0_RESET	(1 << 6)
 #define PCC1_RESET	(1 << 7)
 #define PCC0_ENABLE	(1 << 0)
 #define PCC1_ENABLE	(1 << 1)

 // IDP_CPLD_PCCARDx_STATUS
 #define _PCC_WRPROT	(1 << 7) // 7-4 read as low true
 #define _PCC_RESET	(1 << 6)
 #define _PCC_IRQ	(1 << 5)
 #define _PCC_INPACK	(1 << 4)
 #define PCC_BVD2	(1 << 3)
 #define PCC_BVD1	(1 << 2)
 #define PCC_VS2		(1 << 1)
 #define PCC_VS1		(1 << 0)

 /* A listing of interrupts used by external hardware devices */

 #define TOUCH_PANEL_IRQ			PXA_GPIO_TO_IRQ(5)
 #define IDE_IRQ				PXA_GPIO_TO_IRQ(21)

 #define TOUCH_PANEL_IRQ_EDGE		IRQ_TYPE_EDGE_FALLING

 #define ETHERNET_IRQ			PXA_GPIO_TO_IRQ(4)
 #define ETHERNET_IRQ_EDGE		IRQ_TYPE_EDGE_RISING

 #define IDE_IRQ_EDGE			IRQ_TYPE_EDGE_RISING

 #define PCMCIA_S0_CD_VALID		PXA_GPIO_TO_IRQ(7)
 #define PCMCIA_S0_CD_VALID_EDGE		IRQ_TYPE_EDGE_BOTH

 #define PCMCIA_S1_CD_VALID		PXA_GPIO_TO_IRQ(8)
 #define PCMCIA_S1_CD_VALID_EDGE		IRQ_TYPE_EDGE_BOTH

 #define PCMCIA_S0_RDYINT		PXA_GPIO_TO_IRQ(19)
 #define PCMCIA_S1_RDYINT		PXA_GPIO_TO_IRQ(22)


 /*
  * Macros for LED Driver
  */

 /* leds 0 = ON */
 #define IDP_HB_LED	(1<<5)
 #define IDP_BUSY_LED	(1<<6)

 #define IDP_LEDS_MASK	(IDP_HB_LED | IDP_BUSY_LED)

 /*
  * macros for MTD driver
  */

 #define FLASH_WRITE_PROTECT_DISABLE()	((IDP_CPLD_FLASH_WE) &= ~(0x1))
 #define FLASH_WRITE_PROTECT_ENABLE()	((IDP_CPLD_FLASH_WE) |= (0x1))

 /*
  * macros for matrix keyboard driver
  */

 #define KEYBD_MATRIX_NUMBER_INPUTS	7
 #define KEYBD_MATRIX_NUMBER_OUTPUTS	14

 #define KEYBD_MATRIX_INVERT_OUTPUT_LOGIC	FALSE
 #define KEYBD_MATRIX_INVERT_INPUT_LOGIC		FALSE

 #define KEYBD_MATRIX_SETTLING_TIME_US			100
 #define KEYBD_MATRIX_KEYSTATE_DEBOUNCE_CONSTANT		2

 #define KEYBD_MATRIX_SET_OUTPUTS(outputs) \
 {\
 	IDP_CPLD_KB_COL_LOW = outputs;\
 	IDP_CPLD_KB_COL_HIGH = outputs >> 7;\
 }

 #define KEYBD_MATRIX_GET_INPUTS(inputs) \
 {\
 	inputs = (IDP_CPLD_KB_ROW & 0x7f);\
 }
	/* SPDX-License-Identifier: GPL-2.0-only */
	/*
	* arch/arm/mach-pxa/include/mach/idp.h
	*
	* Copyright (c) 2001 Cliff Brake, Accelent Systems Inc.
	*
	* 2001-09-13: Cliff Brake <cbrake@accelent.com>
	* Initial code
	*
	* 2005-02-15: Cliff Brake <cliff.brake@gmail.com>
	* <http://www.vibren.com> <http://bec-systems.com>
	* Changes for 2.6 kernel.
	*/


	/*
	* Note: this file must be safe to include in assembly files
	*
	* Support for the Vibren PXA255 IDP requires rev04 or later
	* IDP hardware.
	*/

	#include "irqs.h" /* PXA_GPIO_TO_IRQ */

	#define IDP_FLASH_PHYS (PXA_CS0_PHYS)
	#define IDP_ALT_FLASH_PHYS (PXA_CS1_PHYS)
	#define IDP_MEDIAQ_PHYS (PXA_CS3_PHYS)
	#define IDP_IDE_PHYS (PXA_CS5_PHYS + 0x03000000)
	#define IDP_ETH_PHYS (PXA_CS5_PHYS + 0x03400000)
	#define IDP_COREVOLT_PHYS (PXA_CS5_PHYS + 0x03800000)
	#define IDP_CPLD_PHYS (PXA_CS5_PHYS + 0x03C00000)


	/*
	* virtual memory map
	*/

	#define IDP_COREVOLT_VIRT (0xf0000000)
	#define IDP_COREVOLT_SIZE (110241024)

	#define IDP_CPLD_VIRT (IDP_COREVOLT_VIRT + IDP_COREVOLT_SIZE)
	#define IDP_CPLD_SIZE (110241024)

	#if (IDP_CPLD_VIRT + IDP_CPLD_SIZE) > 0xfc000000
	#error Your custom IO space is getting a bit large !!
	#endif

	#define CPLD_P2V(x) ((x) - IDP_CPLD_PHYS + IDP_CPLD_VIRT)
	#define CPLD_V2P(x) ((x) - IDP_CPLD_VIRT + IDP_CPLD_PHYS)

	#ifndef __ASSEMBLY__
	# define __CPLD_REG(x) (((volatile unsigned long )CPLD_P2V(x)))
	#else
	# define __CPLD_REG(x) CPLD_P2V(x)
	#endif

	/* board level registers in the CPLD: (offsets from CPLD_VIRT) */

	#define _IDP_CPLD_REV (IDP_CPLD_PHYS + 0x00)
	#define _IDP_CPLD_PERIPH_PWR (IDP_CPLD_PHYS + 0x04)
	#define _IDP_CPLD_LED_CONTROL (IDP_CPLD_PHYS + 0x08)
	#define _IDP_CPLD_KB_COL_HIGH (IDP_CPLD_PHYS + 0x0C)
	#define _IDP_CPLD_KB_COL_LOW (IDP_CPLD_PHYS + 0x10)
	#define _IDP_CPLD_PCCARD_EN (IDP_CPLD_PHYS + 0x14)
	#define _IDP_CPLD_GPIOH_DIR (IDP_CPLD_PHYS + 0x18)
	#define _IDP_CPLD_GPIOH_VALUE (IDP_CPLD_PHYS + 0x1C)
	#define _IDP_CPLD_GPIOL_DIR (IDP_CPLD_PHYS + 0x20)
	#define _IDP_CPLD_GPIOL_VALUE (IDP_CPLD_PHYS + 0x24)
	#define _IDP_CPLD_PCCARD_PWR (IDP_CPLD_PHYS + 0x28)
	#define _IDP_CPLD_MISC_CTRL (IDP_CPLD_PHYS + 0x2C)
	#define _IDP_CPLD_LCD (IDP_CPLD_PHYS + 0x30)
	#define _IDP_CPLD_FLASH_WE (IDP_CPLD_PHYS + 0x34)

	#define _IDP_CPLD_KB_ROW (IDP_CPLD_PHYS + 0x50)
	#define _IDP_CPLD_PCCARD0_STATUS (IDP_CPLD_PHYS + 0x54)
	#define _IDP_CPLD_PCCARD1_STATUS (IDP_CPLD_PHYS + 0x58)
	#define _IDP_CPLD_MISC_STATUS (IDP_CPLD_PHYS + 0x5C)

	/* FPGA register virtual addresses */

	#define IDP_CPLD_REV __CPLD_REG(_IDP_CPLD_REV)
	#define IDP_CPLD_PERIPH_PWR __CPLD_REG(_IDP_CPLD_PERIPH_PWR)
	#define IDP_CPLD_LED_CONTROL __CPLD_REG(_IDP_CPLD_LED_CONTROL)
	#define IDP_CPLD_KB_COL_HIGH __CPLD_REG(_IDP_CPLD_KB_COL_HIGH)
	#define IDP_CPLD_KB_COL_LOW __CPLD_REG(_IDP_CPLD_KB_COL_LOW)
	#define IDP_CPLD_PCCARD_EN __CPLD_REG(_IDP_CPLD_PCCARD_EN)
	#define IDP_CPLD_GPIOH_DIR __CPLD_REG(_IDP_CPLD_GPIOH_DIR)
	#define IDP_CPLD_GPIOH_VALUE __CPLD_REG(_IDP_CPLD_GPIOH_VALUE)
	#define IDP_CPLD_GPIOL_DIR __CPLD_REG(_IDP_CPLD_GPIOL_DIR)
	#define IDP_CPLD_GPIOL_VALUE __CPLD_REG(_IDP_CPLD_GPIOL_VALUE)
	#define IDP_CPLD_PCCARD_PWR __CPLD_REG(_IDP_CPLD_PCCARD_PWR)
	#define IDP_CPLD_MISC_CTRL __CPLD_REG(_IDP_CPLD_MISC_CTRL)
	#define IDP_CPLD_LCD __CPLD_REG(_IDP_CPLD_LCD)
	#define IDP_CPLD_FLASH_WE __CPLD_REG(_IDP_CPLD_FLASH_WE)

	#define IDP_CPLD_KB_ROW __CPLD_REG(_IDP_CPLD_KB_ROW)
	#define IDP_CPLD_PCCARD0_STATUS __CPLD_REG(_IDP_CPLD_PCCARD0_STATUS)
	#define IDP_CPLD_PCCARD1_STATUS __CPLD_REG(_IDP_CPLD_PCCARD1_STATUS)
	#define IDP_CPLD_MISC_STATUS __CPLD_REG(_IDP_CPLD_MISC_STATUS)


	/*
	* Bit masks for various registers
	*/

	// IDP_CPLD_PCCARD_PWR
	#define PCC0_PWR0 (1 << 0)
	#define PCC0_PWR1 (1 << 1)
	#define PCC0_PWR2 (1 << 2)
	#define PCC0_PWR3 (1 << 3)
	#define PCC1_PWR0 (1 << 4)
	#define PCC1_PWR1 (1 << 5)
	#define PCC1_PWR2 (1 << 6)
	#define PCC1_PWR3 (1 << 7)

	// IDP_CPLD_PCCARD_EN
	#define PCC0_RESET (1 << 6)
	#define PCC1_RESET (1 << 7)
	#define PCC0_ENABLE (1 << 0)
	#define PCC1_ENABLE (1 << 1)

	// IDP_CPLD_PCCARDx_STATUS
	#define _PCC_WRPROT (1 << 7) // 7-4 read as low true
	#define _PCC_RESET (1 << 6)
	#define _PCC_IRQ (1 << 5)
	#define _PCC_INPACK (1 << 4)
	#define PCC_BVD2 (1 << 3)
	#define PCC_BVD1 (1 << 2)
	#define PCC_VS2 (1 << 1)
	#define PCC_VS1 (1 << 0)

	/* A listing of interrupts used by external hardware devices */

	#define TOUCH_PANEL_IRQ PXA_GPIO_TO_IRQ(5)
	#define IDE_IRQ PXA_GPIO_TO_IRQ(21)

	#define TOUCH_PANEL_IRQ_EDGE IRQ_TYPE_EDGE_FALLING

	#define ETHERNET_IRQ PXA_GPIO_TO_IRQ(4)
	#define ETHERNET_IRQ_EDGE IRQ_TYPE_EDGE_RISING

	#define IDE_IRQ_EDGE IRQ_TYPE_EDGE_RISING

	#define PCMCIA_S0_CD_VALID PXA_GPIO_TO_IRQ(7)
	#define PCMCIA_S0_CD_VALID_EDGE IRQ_TYPE_EDGE_BOTH

	#define PCMCIA_S1_CD_VALID PXA_GPIO_TO_IRQ(8)
	#define PCMCIA_S1_CD_VALID_EDGE IRQ_TYPE_EDGE_BOTH

	#define PCMCIA_S0_RDYINT PXA_GPIO_TO_IRQ(19)
	#define PCMCIA_S1_RDYINT PXA_GPIO_TO_IRQ(22)


	/*
	* Macros for LED Driver
	*/

	/* leds 0 = ON */
	#define IDP_HB_LED (1<<5)
	#define IDP_BUSY_LED (1<<6)

	#define IDP_LEDS_MASK (IDP_HB_LED \| IDP_BUSY_LED)

	/*
	* macros for MTD driver
	*/

	#define FLASH_WRITE_PROTECT_DISABLE() ((IDP_CPLD_FLASH_WE) &= ~(0x1))
	#define FLASH_WRITE_PROTECT_ENABLE() ((IDP_CPLD_FLASH_WE) \|= (0x1))

	/*
	* macros for matrix keyboard driver
	*/

	#define KEYBD_MATRIX_NUMBER_INPUTS 7
	#define KEYBD_MATRIX_NUMBER_OUTPUTS 14

	#define KEYBD_MATRIX_INVERT_OUTPUT_LOGIC FALSE
	#define KEYBD_MATRIX_INVERT_INPUT_LOGIC FALSE

	#define KEYBD_MATRIX_SETTLING_TIME_US 100
	#define KEYBD_MATRIX_KEYSTATE_DEBOUNCE_CONSTANT 2

	#define KEYBD_MATRIX_SET_OUTPUTS(outputs) \
	{\
	IDP_CPLD_KB_COL_LOW = outputs;\
	IDP_CPLD_KB_COL_HIGH = outputs >> 7;\
	}

	#define KEYBD_MATRIX_GET_INPUTS(inputs) \
	{\
	inputs = (IDP_CPLD_KB_ROW & 0x7f);\
	}