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author | Benjamin Herrenschmidt <benh@kernel.crashing.org> | 2009-06-15 10:36:54 +1000 |
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committer | Benjamin Herrenschmidt <benh@kernel.crashing.org> | 2009-06-15 10:36:54 +1000 |
commit | 7dafd239ab522d38979ebe44d79aa68ad7b1a383 (patch) | |
tree | 04754a0c6495e57c1fe5f417fbfc99272d353c0e /arch/microblaze/include/asm/io.h | |
parent | bc47ab0241c7c86da4f5e5f82fbca7d45387c18d (diff) | |
parent | 45e3e1935e2857c54783291107d33323b3ef33c8 (diff) |
Merge commit 'origin/master' into next
Diffstat (limited to 'arch/microblaze/include/asm/io.h')
-rw-r--r-- | arch/microblaze/include/asm/io.h | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/arch/microblaze/include/asm/io.h b/arch/microblaze/include/asm/io.h index 8b5853ee6b5..5c173424d07 100644 --- a/arch/microblaze/include/asm/io.h +++ b/arch/microblaze/include/asm/io.h @@ -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 @@ -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) @@ -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 @@ -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 |