196 lines
5.7 KiB
C
196 lines
5.7 KiB
C
/* 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);\
|
|
}
|
|
|
|
|