arch/unicore32/include/mach/hardware.h

   1 /* SPDX-License-Identifier: GPL-2.0-only */
   2 /*
   3  * linux/arch/unicore32/include/mach/hardware.h
   4  *
   5  * Code specific to PKUnity SoC and UniCore ISA
   6  *
   7  * Copyright (C) 2001-2010 GUAN Xue-tao
   8  *
   9  * This file contains the hardware definitions for PKUnity architecture
  10  */
  11
  12 #ifndef __MACH_PUV3_HARDWARE_H__
  13 #define __MACH_PUV3_HARDWARE_H__
  14
  15 #include <mach/PKUnity.h>
  16
  17 #ifndef __ASSEMBLY__
  18 #define io_p2v(x)       (void __iomem *)((x) - PKUNITY_MMIO_BASE)
  19 #define io_v2p(x)       (phys_addr_t)((x) + PKUNITY_MMIO_BASE)
  20 #else
  21 #define io_p2v(x)       ((x) - PKUNITY_MMIO_BASE)
  22 #define io_v2p(x)       ((x) + PKUNITY_MMIO_BASE)
  23 #endif
  24
  25 #define PCIBIOS_MIN_IO                  0x4000 /* should lower than 64KB */
  26 #define PCIBIOS_MIN_MEM                 io_v2p(PKUNITY_PCIMEM_BASE)
  27
  28 #define pcibios_assign_all_busses()     1
  29
  30 #endif  /* __MACH_PUV3_HARDWARE_H__ */