LXR linux-bk/include/asm-arm/arch-ixp2000/ixdp2x00.h

   1/*
   2 * include/asm-arm/arch-ixp2000/ixdp2x00.h
   3 *
   4 * Register and other defines for IXDP2[48]00 platforms
   5 *
   6 * Original Author: Naeem Afzal <naeem.m.afzal@intel.com>
   7 * Maintainer: Deepak Saxena <dsaxena@plexity.net>
   8 *
   9 * Copyright (C) 2002 Intel Corp.
  10 * Copyright (C) 2003-2004 MontaVista Software, Inc.
  11 *
  12 *  This program is free software; you can redistribute  it and/or modify it
  13 *  under  the terms of  the GNU General  Public License as published by the
  14 *  Free Software Foundation;  either version 2 of the  License, or (at your
  15 *  option) any later version.
  16 */
  17#ifndef _IXDP2X00_H_
  18#define _IXDP2X00_H_
  19
  20/*
  21 * On board CPLD memory map
  22 */
  23#define IXDP2X00_PHYS_CPLD_BASE         0xc7000000
  24#define IXDP2X00_VIRT_CPLD_BASE         0xfefdd000
  25#define IXDP2X00_CPLD_SIZE              0x00001000
  26
  27
  28#define IXDP2X00_CPLD_REG(x)    \
  29        (volatile unsigned long *)(IXDP2X00_VIRT_CPLD_BASE | x)
  30
  31/*
  32 * IXDP2400 CPLD registers
  33 */
  34#define IXDP2400_CPLD_SYSLED            IXDP2X00_CPLD_REG(0x0)  
  35#define IXDP2400_CPLD_DISP_DATA         IXDP2X00_CPLD_REG(0x4)
  36#define IXDP2400_CPLD_CLOCK_SPEED       IXDP2X00_CPLD_REG(0x8)
  37#define IXDP2400_CPLD_INT_STAT          IXDP2X00_CPLD_REG(0xc)
  38#define IXDP2400_CPLD_REV               IXDP2X00_CPLD_REG(0x10)
  39#define IXDP2400_CPLD_SYS_CLK_M         IXDP2X00_CPLD_REG(0x14)
  40#define IXDP2400_CPLD_SYS_CLK_N         IXDP2X00_CPLD_REG(0x18)
  41#define IXDP2400_CPLD_INT_MASK          IXDP2X00_CPLD_REG(0x48)
  42
  43/*
  44 * IXDP2800 CPLD registers
  45 */
  46#define IXDP2800_CPLD_INT_STAT          IXDP2X00_CPLD_REG(0x0)
  47#define IXDP2800_CPLD_INT_MASK          IXDP2X00_CPLD_REG(0x140)
  48
  49
  50#define IXDP2X00_GPIO_I2C_ENABLE        0x02
  51#define IXDP2X00_GPIO_SCL               0x07
  52#define IXDP2X00_GPIO_SDA               0x06
  53
  54/*
  55 * PCI devfns for on-board devices. We need these to be able to
  56 * properly translate IRQs and for device removal.
  57 */
  58#define IXDP2400_SLAVE_ENET_DEVFN       0x18    /* Bus 1 */
  59#define IXDP2400_MASTER_ENET_DEVFN      0x20    /* Bus 1 */
  60#define IXDP2400_MEDIA_DEVFN            0x28    /* Bus 1 */
  61#define IXDP2400_SWITCH_FABRIC_DEVFN    0x30    /* Bus 1 */
  62
  63#define IXDP2800_SLAVE_ENET_DEVFN       0x20    /* Bus 1 */
  64#define IXDP2800_MASTER_ENET_DEVFN      0x18    /* Bus 1 */
  65#define IXDP2800_SWITCH_FABRIC_DEVFN    0x30    /* Bus 1 */
  66
  67#define IXDP2X00_P2P_DEVFN              0x20    /* Bus 0 */
  68#define IXDP2X00_21555_DEVFN            0x30    /* Bus 0 */
  69#define IXDP2X00_SLAVE_NPU_DEVFN        0x28    /* Bus 1 */
  70#define IXDP2X00_PMC_DEVFN              0x38    /* Bus 1 */
  71#define IXDP2X00_MASTER_NPU_DEVFN       0x38    /* Bus 1 */
  72
  73#ifndef __ASSEMBLY__
  74/*
  75 * Master NPU will always have flash and be PCI master.
  76 * Slave NPU may or may not have flash but will never be PCI master.
  77 */
  78static inline unsigned int ixdp2x00_master_npu(void)
  79{
  80        return ((ixp2000_has_flash()) && (ixp2000_is_pcimaster()));
  81}
  82
  83/*
  84 * Helper functions used by ixdp2400 and ixdp2800 specific code
  85 */
  86void ixdp2x00_init_irq(volatile unsigned long*, volatile unsigned long *, unsigned long);
  87void ixdp2x00_slave_pci_postinit(void);
  88void ixdp2x00_init_machine(void);
  89void ixdp2x00_map_io(void);
  90
  91#endif
  92
  93#endif /*_IXDP2X00_H_ */
  94