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

   1 /*
   2  *  linux/include/asm-arm/arch-integrator/hardware.h
   3  *
   4  *  This file contains the hardware definitions of the Integrator.
   5  *
   6  *  Copyright (C) 1999 ARM Limited.
   7  *
   8  * This program is free software; you can redistribute it and/or modify
   9  * it under the terms of the GNU General Public License as published by
  10  * the Free Software Foundation; either version 2 of the License, or
  11  * (at your option) any later version.
  12  *
  13  * This program is distributed in the hope that it will be useful,
  14  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16  * GNU General Public License for more details.
  17  *
  18  * You should have received a copy of the GNU General Public License
  19  * along with this program; if not, write to the Free Software
  20  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  21  */
  22 #ifndef __ASM_ARCH_HARDWARE_H
  23 #define __ASM_ARCH_HARDWARE_H
  24
  25 #include <asm/sizes.h>
  26 #include <asm/arch/platform.h>
  27
  28 #ifndef CONFIG_MMU
  29 #define MEM_SIZE        CONFIG_DRAM_SIZE
  30 #define PA_SDRAM_BASE   CONFIG_DRAM_BASE
  31 #endif
  32
  33 /*
  34  * Where in virtual memory the IO devices (timers, system controllers
  35  * and so on)
  36  */
  37 #ifdef CONFIG_MMU
  38 #define IO_BASE                 0xF0000000                 // VA of IO
  39 #define IO_SIZE                 0x0B000000                 // How much?
  40 #define IO_START                INTEGRATOR_HDR_BASE        // PA of IO
  41 #endif
  42
  43 /*
  44  * Similar to above, but for PCI addresses (memory, IO, Config and the
  45  * V3 chip itself).  WARNING: this has to mirror definitions in platform.h
  46  */
  47 #ifdef CONFIG_MMU
  48 #define PCI_MEMORY_VADDR        0xe8000000
  49 #define PCI_CONFIG_VADDR        0xec000000
  50 #define PCI_V3_VADDR            0xed000000
  51 #define PCI_IO_VADDR            0xee000000
  52 #else
  53 #define PCI_MEMORY_VADDR        PHYS_PCI_MEM_BASE
  54 #define PCI_CONFIG_VADDR        PHYS_PCI_CONFIG_BASE
  55 #define PCI_V3_VADDR            PHYS_PCI_V3_BASE
  56 #define PCI_IO_VADDR            PHYS_PCI_IO_BASE
  57 #endif
  58
  59 #define PCIO_BASE               PCI_IO_VADDR
  60 #define PCIMEM_BASE             PCI_MEMORY_VADDR
  61
  62 /* macro to get at IO space when running virtually */
  63 #ifdef CONFIG_MMU
  64 #define IO_ADDRESS(x) (((x) >> 4) + IO_BASE)
  65 #else
  66 #define IO_ADDRESS(x)           (x)
  67 #endif
  68
  69 #define pcibios_assign_all_busses()     1
  70
  71 #define PCIBIOS_MIN_IO          0x6000
  72 #define PCIBIOS_MIN_MEM         0x00100000
  73
  74 #endif
  75