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         0xfe000000
  25 #define IXDP2X00_CPLD_SIZE              0x00100000
  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  */
  78 static 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  */
  86 void ixdp2x00_init_irq(volatile unsigned long*, volatile unsigned long *, unsigned long);
  87 void ixdp2x00_slave_pci_postinit(void);
  88 void ixdp2x00_init_machine(void);
  89 void ixdp2x00_map_io(void);
  90
  91 #endif
  92
  93 #endif /*_IXDP2X00_H_ */