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__ */ 39