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viper.h

/*
 * arch/arm/mach-pxa/include/mach/viper.h
 *
 * Author:  Ian Campbell
 * Created: Feb 03, 2003
 * Copyright:     Arcom Control Systems.
 *
 * Maintained by Marc Zyngier <maz@misterjones.org>
 *                      <marc.zyngier@altran.com>
 *
 * Created based on lubbock.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 ARCH_VIPER_H
#define ARCH_VIPER_H

#define VIPER_BOOT_PHYS       PXA_CS0_PHYS
#define VIPER_FLASH_PHYS      PXA_CS1_PHYS
#define VIPER_ETH_PHYS        PXA_CS2_PHYS
#define VIPER_USB_PHYS        PXA_CS3_PHYS
#define VIPER_ETH_DATA_PHYS   PXA_CS4_PHYS
#define VIPER_CPLD_PHYS       PXA_CS5_PHYS

#define VIPER_CPLD_BASE       (0xf0000000)
#define VIPER_PC104IO_BASE    (0xf1000000)
#define VIPER_USB_BASE        (0xf1800000)

#define VIPER_ETH_GPIO        (0)
#define VIPER_CPLD_GPIO       (1)
#define VIPER_USB_GPIO        (2)
#define VIPER_UARTA_GPIO      (4)
#define VIPER_UARTB_GPIO      (3)
#define VIPER_CF_CD_GPIO      (32)
#define VIPER_CF_RDY_GPIO     (8)
#define VIPER_BCKLIGHT_EN_GPIO      (9)
#define VIPER_LCD_EN_GPIO     (10)
#define VIPER_PSU_DATA_GPIO   (6)
#define VIPER_PSU_CLK_GPIO    (11)
#define VIPER_UART_SHDN_GPIO  (12)
#define VIPER_BRIGHTNESS_GPIO (16)
#define VIPER_PSU_nCS_LD_GPIO (19)
#define VIPER_UPS_GPIO        (20)
#define VIPER_CF_POWER_GPIO   (82)
#define VIPER_TPM_I2C_SDA_GPIO      (26)
#define VIPER_TPM_I2C_SCL_GPIO      (27)
#define VIPER_RTC_I2C_SDA_GPIO      (83)
#define VIPER_RTC_I2C_SCL_GPIO      (84)

#define VIPER_CPLD_P2V(x)     ((x) - VIPER_CPLD_PHYS + VIPER_CPLD_BASE)
#define VIPER_CPLD_V2P(x)     ((x) - VIPER_CPLD_BASE + VIPER_CPLD_PHYS)

#ifndef __ASSEMBLY__
#  define __VIPER_CPLD_REG(x) (*((volatile u16 *)VIPER_CPLD_P2V(x)))
#endif

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

/* ... Physical addresses */
#define _VIPER_LO_IRQ_STATUS  (VIPER_CPLD_PHYS + 0x100000)
#define _VIPER_ICR_PHYS       (VIPER_CPLD_PHYS + 0x100002)
#define _VIPER_HI_IRQ_STATUS  (VIPER_CPLD_PHYS + 0x100004)
#define _VIPER_VERSION_PHYS   (VIPER_CPLD_PHYS + 0x100006)
#define VIPER_UARTA_PHYS      (VIPER_CPLD_PHYS + 0x300010)
#define VIPER_UARTB_PHYS      (VIPER_CPLD_PHYS + 0x300000)
#define _VIPER_SRAM_BASE      (VIPER_CPLD_PHYS + 0x800000)

/* ... Virtual addresses */
#define VIPER_LO_IRQ_STATUS   __VIPER_CPLD_REG(_VIPER_LO_IRQ_STATUS)
#define VIPER_HI_IRQ_STATUS   __VIPER_CPLD_REG(_VIPER_HI_IRQ_STATUS)
#define VIPER_VERSION         __VIPER_CPLD_REG(_VIPER_VERSION_PHYS)
#define VIPER_ICR       __VIPER_CPLD_REG(_VIPER_ICR_PHYS)

/* Decode VIPER_VERSION register */
#define VIPER_CPLD_REVISION(x)      (((x) >> 5) & 0x7)
#define VIPER_BOARD_VERSION(x)      (((x) >> 3) & 0x3)
#define VIPER_BOARD_ISSUE(x)  (((x) >> 0) & 0x7)

/* Interrupt and Configuration Register (VIPER_ICR) */
/* This is a write only register. Only CF_RST is used under Linux */

extern void viper_cf_rst(int state);

#define VIPER_ICR_RETRIG      (1 << 0)
#define VIPER_ICR_AUTO_CLR    (1 << 1)
#define VIPER_ICR_R_DIS       (1 << 2)
#define VIPER_ICR_CF_RST      (1 << 3)

#endif


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