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