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author | Ingo Molnar <mingo@elte.hu> | 2008-10-12 10:39:30 (GMT) |
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committer | Ingo Molnar <mingo@elte.hu> | 2008-10-12 10:39:50 (GMT) |
commit | 4c7145a1ec1bb789d5f07e47510e8bda546a7c4a (patch) | |
tree | e2767b77e5413473a3bba302237f4669a203f183 /include/asm-mips/mach-ip32/dma-coherence.h | |
parent | 74e91604b2452c15bbe72d77b37cf47ed0310d13 (diff) | |
parent | fd048088306656824958e7783ffcee27e241b361 (diff) | |
download | linux-fsl-qoriq-4c7145a1ec1bb789d5f07e47510e8bda546a7c4a.tar.xz |
Merge branch 'linus' into x86/spinlocks
Done to prevent this failure of an Octopus merge:
Added arch/arm/include/asm/byteorder.h in both, but differently.
ERROR: Merge conflict in arch/arm/include/asm/byteorder.h
Auto-merging include/asm-x86/spinlock.h
ERROR: Merge conflict in include/asm-x86/spinlock.h
fatal: merge program failed
Diffstat (limited to 'include/asm-mips/mach-ip32/dma-coherence.h')
-rw-r--r-- | include/asm-mips/mach-ip32/dma-coherence.h | 72 |
1 files changed, 0 insertions, 72 deletions
diff --git a/include/asm-mips/mach-ip32/dma-coherence.h b/include/asm-mips/mach-ip32/dma-coherence.h deleted file mode 100644 index a5511eb..0000000 --- a/include/asm-mips/mach-ip32/dma-coherence.h +++ /dev/null @@ -1,72 +0,0 @@ -/* - * This file is subject to the terms and conditions of the GNU General Public - * License. See the file "COPYING" in the main directory of this archive - * for more details. - * - * Copyright (C) 2006 Ralf Baechle <ralf@linux-mips.org> - * - */ -#ifndef __ASM_MACH_IP32_DMA_COHERENCE_H -#define __ASM_MACH_IP32_DMA_COHERENCE_H - -#include <asm/ip32/crime.h> - -struct device; - -/* - * Few notes. - * 1. CPU sees memory as two chunks: 0-256M@0x0, and the rest @0x40000000+256M - * 2. PCI sees memory as one big chunk @0x0 (or we could use 0x40000000 for - * native-endian) - * 3. All other devices see memory as one big chunk at 0x40000000 - * 4. Non-PCI devices will pass NULL as struct device* - * - * Thus we translate differently, depending on device. - */ - -#define RAM_OFFSET_MASK 0x3fffffffUL - -static inline dma_addr_t plat_map_dma_mem(struct device *dev, void *addr, - size_t size) -{ - dma_addr_t pa = virt_to_phys(addr) & RAM_OFFSET_MASK; - - if (dev == NULL) - pa += CRIME_HI_MEM_BASE; - - return pa; -} - -static dma_addr_t plat_map_dma_mem_page(struct device *dev, struct page *page) -{ - dma_addr_t pa; - - pa = page_to_phys(page) & RAM_OFFSET_MASK; - - if (dev == NULL) - pa += CRIME_HI_MEM_BASE; - - return pa; -} - -/* This is almost certainly wrong but it's what dma-ip32.c used to use */ -static unsigned long plat_dma_addr_to_phys(dma_addr_t dma_addr) -{ - unsigned long addr = dma_addr & RAM_OFFSET_MASK; - - if (dma_addr >= 256*1024*1024) - addr += CRIME_HI_MEM_BASE; - - return addr; -} - -static inline void plat_unmap_dma_mem(dma_addr_t dma_addr) -{ -} - -static inline int plat_device_is_coherent(struct device *dev) -{ - return 0; /* IP32 is non-cohernet */ -} - -#endif /* __ASM_MACH_IP32_DMA_COHERENCE_H */ |