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awilliam
GitHub Repository: awilliam/linux-vfio
 Path: blob/master/arch/unicore32/include/mach/hardware.h
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/*

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 * linux/arch/unicore32/include/mach/hardware.h

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 *

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 * Code specific to PKUnity SoC and UniCore ISA

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 *

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 * Copyright (C) 2001-2010 GUAN Xue-tao

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 *

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 * This program is free software; you can redistribute it and/or modify

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 * it under the terms of the GNU General Public License version 2 as

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 * published by the Free Software Foundation.

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 *

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 * This file contains the hardware definitions for PKUnity architecture

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 */

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#ifndef __MACH_PUV3_HARDWARE_H__

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#define __MACH_PUV3_HARDWARE_H__

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#include "PKUnity.h"

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#ifndef __ASSEMBLY__

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#define io_p2v(x)	(void __iomem *)((x) - PKUNITY_MMIO_BASE)

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#define io_v2p(x)	(phys_addr_t)((x) + PKUNITY_MMIO_BASE)

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#else

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#define io_p2v(x)	((x) - PKUNITY_MMIO_BASE)

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#define io_v2p(x)	((x) + PKUNITY_MMIO_BASE)

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#endif

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#define PCIBIOS_MIN_IO			0x4000 /* should lower than 64KB */

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#define PCIBIOS_MIN_MEM			io_v2p(PKUNITY_PCIMEM_BASE)

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/*

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 * We override the standard dma-mask routines for bouncing.

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 */

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#define	HAVE_ARCH_PCI_SET_DMA_MASK

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#define pcibios_assign_all_busses()	1

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#endif  /* __MACH_PUV3_HARDWARE_H__ */

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