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yaml
---
r: 148625
b: refs/heads/master
c: dc95be1
h: refs/heads/master
i:
  148623: 5a65fa5
v: v3
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Michal Simek committed May 26, 2009
1 parent 78db91b commit 2bbee21
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Showing 2 changed files with 32 additions and 1 deletion.
2 changes: 1 addition & 1 deletion [refs]
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---
refs/heads/master: 15902bf63c8332946e5a1f48a72e3ae22874b11b
refs/heads/master: dc95be1f7188f0718ac922b6b6b72406c294d250
31 changes: 31 additions & 0 deletions trunk/arch/microblaze/include/asm/io.h
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@@ -1,4 +1,6 @@
/*
* Copyright (C) 2007-2009 Michal Simek <monstr@monstr.eu>
* Copyright (C) 2007-2009 PetaLogix
* Copyright (C) 2006 Atmark Techno, Inc.
*
* This file is subject to the terms and conditions of the GNU General Public
Expand All @@ -12,6 +14,9 @@
#include <asm/byteorder.h>
#include <asm/page.h>
#include <linux/types.h>
#include <asm/byteorder.h>
#include <linux/mm.h> /* Get struct page {...} */


#define IO_SPACE_LIMIT (0xFFFFFFFF)

Expand Down Expand Up @@ -112,6 +117,30 @@ static inline void writel(unsigned int v, volatile void __iomem *addr)
#define memcpy_fromio(a, b, c) memcpy((a), (void *)(b), (c))
#define memcpy_toio(a, b, c) memcpy((void *)(a), (b), (c))

#ifdef CONFIG_MMU

#define mm_ptov(addr) ((void *)__phys_to_virt(addr))
#define mm_vtop(addr) ((unsigned long)__virt_to_phys(addr))
#define phys_to_virt(addr) ((void *)__phys_to_virt(addr))
#define virt_to_phys(addr) ((unsigned long)__virt_to_phys(addr))
#define virt_to_bus(addr) ((unsigned long)__virt_to_phys(addr))

#define __page_address(page) \
(PAGE_OFFSET + (((page) - mem_map) << PAGE_SHIFT))
#define page_to_phys(page) virt_to_phys((void *)__page_address(page))
#define page_to_bus(page) (page_to_phys(page))
#define bus_to_virt(addr) (phys_to_virt(addr))

extern void iounmap(void *addr);
/*extern void *__ioremap(phys_addr_t address, unsigned long size,
unsigned long flags);*/
extern void __iomem *ioremap(phys_addr_t address, unsigned long size);
#define ioremap_writethrough(addr, size) ioremap((addr), (size))
#define ioremap_nocache(addr, size) ioremap((addr), (size))
#define ioremap_fullcache(addr, size) ioremap((addr), (size))

#else /* CONFIG_MMU */

/**
* virt_to_phys - map virtual addresses to physical
* @address: address to remap
Expand Down Expand Up @@ -160,6 +189,8 @@ static inline void __iomem *__ioremap(phys_addr_t address, unsigned long size,
#define iounmap(addr) ((void)0)
#define ioremap_nocache(physaddr, size) ioremap(physaddr, size)

#endif /* CONFIG_MMU */

/*
* Convert a physical pointer to a virtual kernel pointer for /dev/mem
* access
Expand Down

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