/* * linux/include/asm-arm/arch-pxa/idp.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. * * 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. */ #include <linux/config.h> /* * Note: this file must be safe to include in assembly files * * Support for the Vibren PXA255 IDP requires rev04 or later * IDP hardware. */ #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) #define PCC_DETECT(x) (GPLR(7 + (x)) & GPIO_bit(7 + (x))) /* A listing of interrupts used by external hardware devices */ #define TOUCH_PANEL_IRQ IRQ_GPIO(5) #define IDE_IRQ IRQ_GPIO(21) #define TOUCH_PANEL_IRQ_EDGE IRQT_FALLING #define ETHERNET_IRQ IRQ_GPIO(4) #define ETHERNET_IRQ_EDGE IRQT_RISING #define IDE_IRQ_EDGE IRQT_RISING #define PCMCIA_S0_CD_VALID IRQ_GPIO(7) #define PCMCIA_S0_CD_VALID_EDGE IRQT_BOTHEDGE #define PCMCIA_S1_CD_VALID IRQ_GPIO(8) #define PCMCIA_S1_CD_VALID_EDGE IRQT_BOTHEDGE #define PCMCIA_S0_RDYINT IRQ_GPIO(19) #define PCMCIA_S1_RDYINT IRQ_GPIO(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);\ }