include/asm-arm/arch-ebsa285/hardware.h

   1 /*
   2  *  linux/include/asm-arm/arch-ebsa285/hardware.h
   3  *
   4  *  Copyright (C) 1998-1999 Russell King.
   5  *
   6  * This program is free software; you can redistribute it and/or modify
   7  * it under the terms of the GNU General Public License version 2 as
   8  * published by the Free Software Foundation.
   9  *
  10  *  This file contains the hardware definitions of the EBSA-285.
  11  */
  12 #ifndef __ASM_ARCH_HARDWARE_H
  13 #define __ASM_ARCH_HARDWARE_H
  14
  15 #include <asm/arch/memory.h>
  16
  17 /*   Virtual      Physical      Size
  18  * 0xff800000   0x40000000      1MB     X-Bus
  19  * 0xff000000   0x7c000000      1MB     PCI I/O space
  20  * 0xfe000000   0x42000000      1MB     CSR
  21  * 0xfd000000   0x78000000      1MB     Outbound write flush (not supported)
  22  * 0xfc000000   0x79000000      1MB     PCI IACK/special space
  23  * 0xfb000000   0x7a000000      16MB    PCI Config type 1
  24  * 0xfa000000   0x7b000000      16MB    PCI Config type 0
  25  * 0xf9000000   0x50000000      1MB     Cache flush
  26  * 0xf0000000   0x80000000      16MB    ISA memory
  27  */
  28 #define XBUS_SIZE               0x00100000
  29 #define XBUS_BASE               0xff800000
  30
  31 #define PCIO_SIZE               0x00100000
  32 #define PCIO_BASE               0xff000000
  33
  34 #define ARMCSR_SIZE             0x00100000
  35 #define ARMCSR_BASE             0xfe000000
  36
  37 #define WFLUSH_SIZE             0x00100000
  38 #define WFLUSH_BASE             0xfd000000
  39
  40 #define PCIIACK_SIZE            0x00100000
  41 #define PCIIACK_BASE            0xfc000000
  42
  43 #define PCICFG1_SIZE            0x01000000
  44 #define PCICFG1_BASE            0xfb000000
  45
  46 #define PCICFG0_SIZE            0x01000000
  47 #define PCICFG0_BASE            0xfa000000
  48
  49 #define PCIMEM_SIZE             0x01000000
  50 #define PCIMEM_BASE             0xf0000000
  51
  52 #define XBUS_LEDS               ((volatile unsigned char *)(XBUS_BASE + 0x12000))
  53 #define XBUS_LED_AMBER          (1 << 0)
  54 #define XBUS_LED_GREEN          (1 << 1)
  55 #define XBUS_LED_RED            (1 << 2)
  56 #define XBUS_LED_TOGGLE         (1 << 8)
  57
  58 #define XBUS_SWITCH             ((volatile unsigned char *)(XBUS_BASE + 0x12000))
  59 #define XBUS_SWITCH_SWITCH      ((*XBUS_SWITCH) & 15)
  60 #define XBUS_SWITCH_J17_13      ((*XBUS_SWITCH) & (1 << 4))
  61 #define XBUS_SWITCH_J17_11      ((*XBUS_SWITCH) & (1 << 5))
  62 #define XBUS_SWITCH_J17_9       ((*XBUS_SWITCH) & (1 << 6))
  63
  64 #define UNCACHEABLE_ADDR        (ARMCSR_BASE + 0x108)
  65
  66
  67 /* PIC irq control */
  68 #define PIC_LO                  0x20
  69 #define PIC_MASK_LO             0x21
  70 #define PIC_HI                  0xA0
  71 #define PIC_MASK_HI             0xA1
  72
  73 /* GPIO pins */
  74 #define GPIO_CCLK               0x800
  75 #define GPIO_DSCLK              0x400
  76 #define GPIO_E2CLK              0x200
  77 #define GPIO_IOLOAD             0x100
  78 #define GPIO_RED_LED            0x080
  79 #define GPIO_WDTIMER            0x040
  80 #define GPIO_DATA               0x020
  81 #define GPIO_IOCLK              0x010
  82 #define GPIO_DONE               0x008
  83 #define GPIO_FAN                0x004
  84 #define GPIO_GREEN_LED          0x002
  85 #define GPIO_RESET              0x001
  86
  87 /* CPLD pins */
  88 #define CPLD_DS_ENABLE          8
  89 #define CPLD_7111_DISABLE       4
  90 #define CPLD_UNMUTE             2
  91 #define CPLD_FLASH_WR_ENABLE    1
  92
  93 #ifndef __ASSEMBLY__
  94 extern void gpio_modify_op(int mask, int set);
  95 extern void gpio_modify_io(int mask, int in);
  96 extern int  gpio_read(void);
  97 extern void cpld_modify(int mask, int set);
  98 #endif
  99
 100 #define pcibios_assign_all_busses()     1
 101
 102 #define PCIBIOS_MIN_IO          0x1000
 103 #define PCIBIOS_MIN_MEM         0x81000000
 104
 105 #endif