include/asm-arm/arch-sa1100/hardware.h

   1 /*
   2  * linux/include/asm-arm/arch-sa1100/hardware.h
   3  *
   4  * Copyright (C) 1998 Nicolas Pitre <nico@cam.org>
   5  *
   6  * This file contains the hardware definitions for SA1100 architecture
   7  *
   8  * 2000/05/23 John Dorsey <john+@cs.cmu.edu>
   9  *      Definitions for SA1111 added.
  10  */
  11
  12 #ifndef __ASM_ARCH_HARDWARE_H
  13 #define __ASM_ARCH_HARDWARE_H
  14
  15
  16 #define UNCACHEABLE_ADDR        0xfa050000
  17
  18
  19 /*
  20  * SA1100 internal I/O mappings
  21  *
  22  * We have the following mapping:
  23  *      phys            virt
  24  *      80000000        f8000000
  25  *      90000000        fa000000
  26  *      a0000000        fc000000
  27  *      b0000000        fe000000
  28  */
  29
  30 #define VIO_BASE        0xf8000000      /* virtual start of IO space */
  31 #define VIO_SHIFT       3               /* x = IO space shrink power */
  32 #define PIO_START       0x80000000      /* physical start of IO space */
  33
  34 #define io_p2v( x )             \
  35    ( (((x)&0x00ffffff) | (((x)&0x30000000)>>VIO_SHIFT)) + VIO_BASE )
  36 #define io_v2p( x )             \
  37    ( (((x)&0x00ffffff) | (((x)&(0x30000000>>VIO_SHIFT))<<VIO_SHIFT)) + PIO_START )
  38
  39 #ifndef __ASSEMBLY__
  40
  41 # define __REG(x)       (*((volatile unsigned long *)io_p2v(x)))
  42 # define __PREG(x)      (io_v2p((unsigned long)&(x)))
  43
  44 #else
  45
  46 # define __REG(x)       io_p2v(x)
  47 # define __PREG(x)      io_v2p(x)
  48
  49 #endif
  50
  51 #include "SA-1100.h"
  52
  53 #ifdef CONFIG_SA1101
  54 #include "SA-1101.h"
  55 #endif
  56
  57 #endif  /* _ASM_ARCH_HARDWARE_H */