arch/unicore32/include/mach/hardware.h

   1 /*
   2  * linux/arch/unicore32/include/mach/hardware.h
   3  *
   4  * Code specific to PKUnity SoC and UniCore ISA
   5  *
   6  * Copyright (C) 2001-2010 GUAN Xue-tao
   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 version 2 as
  10  * published by the Free Software Foundation.
  11  *
  12  * This file contains the hardware definitions for PKUnity architecture
  13  */
  14
  15 #ifndef __MACH_PUV3_HARDWARE_H__
  16 #define __MACH_PUV3_HARDWARE_H__
  17
  18 #include "PKUnity.h"
  19
  20 #ifndef __ASSEMBLY__
  21 #define io_p2v(x)       (void __iomem *)((x) - PKUNITY_MMIO_BASE)
  22 #define io_v2p(x)       (phys_addr_t)((x) + PKUNITY_MMIO_BASE)
  23 #else
  24 #define io_p2v(x)       ((x) - PKUNITY_MMIO_BASE)
  25 #define io_v2p(x)       ((x) + PKUNITY_MMIO_BASE)
  26 #endif
  27
  28 #define PCIBIOS_MIN_IO                  0x4000 /* should lower than 64KB */
  29 #define PCIBIOS_MIN_MEM                 io_v2p(PKUNITY_PCIMEM_BASE)
  30
  31 /*
  32  * We override the standard dma-mask routines for bouncing.
  33  */
  34 #define HAVE_ARCH_PCI_SET_DMA_MASK
  35
  36 #define pcibios_assign_all_busses()     1
  37
  38 #endif  /* __MACH_PUV3_HARDWARE_H__ */