release/src-rt-6.x/linux/linux-2.6/include/asm-arm/arch-aaec2000/hardware.h

   1 /*
   2  *  linux/include/asm-arm/arch-aaec2000/hardware.h
   3  *
   4  *  Copyright (c) 2005 Nicolas Bellido Y Ortega
   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
  11 #ifndef __ASM_ARCH_HARDWARE_H
  12 #define __ASM_ARCH_HARDWARE_H
  13
  14 #include <asm/sizes.h>
  15 #include <asm/arch/aaec2000.h>
  16
  17 /* The kernel is loaded at physical address 0xf8000000.
  18  * We map the IO space a bit after
  19  */
  20 #define PIO_APB_BASE    0x80000000
  21 #define VIO_APB_BASE    0xf8000000
  22 #define IO_APB_LENGTH   0x2000
  23 #define PIO_AHB_BASE    0x80002000
  24 #define VIO_AHB_BASE    0xf8002000
  25 #define IO_AHB_LENGTH   0x2000
  26
  27 #define VIO_BASE    VIO_APB_BASE
  28 #define PIO_BASE    PIO_APB_BASE
  29
  30 #define io_p2v(x) ( (x) - PIO_BASE + VIO_BASE )
  31 #define io_v2p(x) ( (x) + PIO_BASE - VIO_BASE )
  32
  33 #ifndef __ASSEMBLY__
  34
  35 #include <asm/types.h>
  36
  37 /* FIXME: Is it needed to optimize this a la pxa ?? */
  38 #define __REG(x)    (*((volatile u32 *)io_p2v(x)))
  39 #define __PREG(x)   (io_v2p((u32)&(x)))
  40
  41 #else /* __ASSEMBLY__ */
  42
  43 #define __REG(x)    io_p2v(x)
  44 #define __PREG(x)   io_v2p(x)
  45
  46 #endif
  47
  48 #include "aaec2000.h"
  49
  50 #endif /* __ASM_ARCH_HARDWARE_H */