LXR linux/arch/arm/mach-pxa/viper.h

   1/* SPDX-License-Identifier: GPL-2.0-only */
   2/*
   3 * arch/arm/mach-pxa/include/mach/viper.h
   4 *
   5 * Author:      Ian Campbell
   6 * Created:     Feb 03, 2003
   7 * Copyright:   Arcom Control Systems.
   8 *
   9 * Maintained by Marc Zyngier <maz@misterjones.org>
  10 *                            <marc.zyngier@altran.com>
  11 *
  12 * Created based on lubbock.h:
  13 *  Author:     Nicolas Pitre
  14 *  Created:    Jun 15, 2001
  15 *  Copyright:  MontaVista Software Inc.
  16 */
  17
  18#ifndef ARCH_VIPER_H
  19#define ARCH_VIPER_H
  20
  21#define VIPER_BOOT_PHYS         PXA_CS0_PHYS
  22#define VIPER_FLASH_PHYS        PXA_CS1_PHYS
  23#define VIPER_ETH_PHYS          PXA_CS2_PHYS
  24#define VIPER_USB_PHYS          PXA_CS3_PHYS
  25#define VIPER_ETH_DATA_PHYS     PXA_CS4_PHYS
  26#define VIPER_CPLD_PHYS         PXA_CS5_PHYS
  27
  28#define VIPER_CPLD_BASE         (0xf0000000)
  29#define VIPER_PC104IO_BASE      (0xf1000000)
  30#define VIPER_USB_BASE          (0xf1800000)
  31
  32#define VIPER_ETH_GPIO          (0)
  33#define VIPER_CPLD_GPIO         (1)
  34#define VIPER_USB_GPIO          (2)
  35#define VIPER_UARTA_GPIO        (4)
  36#define VIPER_UARTB_GPIO        (3)
  37#define VIPER_CF_CD_GPIO        (32)
  38#define VIPER_CF_RDY_GPIO       (8)
  39#define VIPER_BCKLIGHT_EN_GPIO  (9)
  40#define VIPER_LCD_EN_GPIO       (10)
  41#define VIPER_PSU_DATA_GPIO     (6)
  42#define VIPER_PSU_CLK_GPIO      (11)
  43#define VIPER_UART_SHDN_GPIO    (12)
  44#define VIPER_BRIGHTNESS_GPIO   (16)
  45#define VIPER_PSU_nCS_LD_GPIO   (19)
  46#define VIPER_UPS_GPIO          (20)
  47#define VIPER_CF_POWER_GPIO     (82)
  48#define VIPER_TPM_I2C_SDA_GPIO  (26)
  49#define VIPER_TPM_I2C_SCL_GPIO  (27)
  50#define VIPER_RTC_I2C_SDA_GPIO  (83)
  51#define VIPER_RTC_I2C_SCL_GPIO  (84)
  52
  53#define VIPER_CPLD_P2V(x)       ((x) - VIPER_CPLD_PHYS + VIPER_CPLD_BASE)
  54#define VIPER_CPLD_V2P(x)       ((x) - VIPER_CPLD_BASE + VIPER_CPLD_PHYS)
  55
  56#ifndef __ASSEMBLY__
  57#  define __VIPER_CPLD_REG(x)   (*((volatile u16 *)VIPER_CPLD_P2V(x)))
  58#endif
  59
  60/* board level registers in the CPLD: (offsets from CPLD_BASE) ... */
  61
  62/* ... Physical addresses */
  63#define _VIPER_LO_IRQ_STATUS    (VIPER_CPLD_PHYS + 0x100000)
  64#define _VIPER_ICR_PHYS         (VIPER_CPLD_PHYS + 0x100002)
  65#define _VIPER_HI_IRQ_STATUS    (VIPER_CPLD_PHYS + 0x100004)
  66#define _VIPER_VERSION_PHYS     (VIPER_CPLD_PHYS + 0x100006)
  67#define VIPER_UARTA_PHYS        (VIPER_CPLD_PHYS + 0x300010)
  68#define VIPER_UARTB_PHYS        (VIPER_CPLD_PHYS + 0x300000)
  69#define _VIPER_SRAM_BASE        (VIPER_CPLD_PHYS + 0x800000)
  70
  71/* ... Virtual addresses */
  72#define VIPER_LO_IRQ_STATUS     __VIPER_CPLD_REG(_VIPER_LO_IRQ_STATUS)
  73#define VIPER_HI_IRQ_STATUS     __VIPER_CPLD_REG(_VIPER_HI_IRQ_STATUS)
  74#define VIPER_VERSION           __VIPER_CPLD_REG(_VIPER_VERSION_PHYS)
  75#define VIPER_ICR               __VIPER_CPLD_REG(_VIPER_ICR_PHYS)
  76
  77/* Decode VIPER_VERSION register */
  78#define VIPER_CPLD_REVISION(x)  (((x) >> 5) & 0x7)
  79#define VIPER_BOARD_VERSION(x)  (((x) >> 3) & 0x3)
  80#define VIPER_BOARD_ISSUE(x)    (((x) >> 0) & 0x7)
  81
  82/* Interrupt and Configuration Register (VIPER_ICR) */
  83/* This is a write only register. Only CF_RST is used under Linux */
  84
  85#define VIPER_ICR_RETRIG        (1 << 0)
  86#define VIPER_ICR_AUTO_CLR      (1 << 1)
  87#define VIPER_ICR_R_DIS         (1 << 2)
  88#define VIPER_ICR_CF_RST        (1 << 3)
  89
  90#endif
  91
  92