diff options
Diffstat (limited to 'arch/arm/mach-iop13xx')
-rw-r--r-- | arch/arm/mach-iop13xx/include/mach/memory.h | 16 |
1 files changed, 2 insertions, 14 deletions
diff --git a/arch/arm/mach-iop13xx/include/mach/memory.h b/arch/arm/mach-iop13xx/include/mach/memory.h index b82602d529bf..e012bf13c955 100644 --- a/arch/arm/mach-iop13xx/include/mach/memory.h +++ b/arch/arm/mach-iop13xx/include/mach/memory.h | |||
@@ -16,18 +16,6 @@ | |||
16 | #define IOP13XX_PMMR_P_START (IOP13XX_PMMR_PHYS_MEM_BASE) | 16 | #define IOP13XX_PMMR_P_START (IOP13XX_PMMR_PHYS_MEM_BASE) |
17 | #define IOP13XX_PMMR_P_END (IOP13XX_PMMR_PHYS_MEM_BASE + IOP13XX_PMMR_SIZE) | 17 | #define IOP13XX_PMMR_P_END (IOP13XX_PMMR_PHYS_MEM_BASE + IOP13XX_PMMR_SIZE) |
18 | 18 | ||
19 | /* | ||
20 | * Virtual view <-> PCI DMA view memory address translations | ||
21 | * virt_to_bus: Used to translate the virtual address to an | ||
22 | * address suitable to be passed to set_dma_addr | ||
23 | * bus_to_virt: Used to convert an address for DMA operations | ||
24 | * to an address that the kernel can use. | ||
25 | */ | ||
26 | |||
27 | /* RAM has 1:1 mapping on the PCIe/x Busses */ | ||
28 | #define __virt_to_bus(x) (__virt_to_phys(x)) | ||
29 | #define __bus_to_virt(x) (__phys_to_virt(x)) | ||
30 | |||
31 | static inline dma_addr_t __virt_to_lbus(unsigned long x) | 19 | static inline dma_addr_t __virt_to_lbus(unsigned long x) |
32 | { | 20 | { |
33 | return x + IOP13XX_PMMR_PHYS_MEM_BASE - IOP13XX_PMMR_VIRT_MEM_BASE; | 21 | return x + IOP13XX_PMMR_PHYS_MEM_BASE - IOP13XX_PMMR_VIRT_MEM_BASE; |
@@ -55,7 +43,7 @@ static inline unsigned long __lbus_to_virt(dma_addr_t x) | |||
55 | if (is_lbus_device(dev) && __is_lbus_dma(__dma)) \ | 43 | if (is_lbus_device(dev) && __is_lbus_dma(__dma)) \ |
56 | __virt = __lbus_to_virt(__dma); \ | 44 | __virt = __lbus_to_virt(__dma); \ |
57 | else \ | 45 | else \ |
58 | __virt = __bus_to_virt(__dma); \ | 46 | __virt = __phys_to_virt(__dma); \ |
59 | (void *)__virt; \ | 47 | (void *)__virt; \ |
60 | }) | 48 | }) |
61 | 49 | ||
@@ -66,7 +54,7 @@ static inline unsigned long __lbus_to_virt(dma_addr_t x) | |||
66 | if (is_lbus_device(dev) && __is_lbus_virt(__virt)) \ | 54 | if (is_lbus_device(dev) && __is_lbus_virt(__virt)) \ |
67 | __dma = __virt_to_lbus(__virt); \ | 55 | __dma = __virt_to_lbus(__virt); \ |
68 | else \ | 56 | else \ |
69 | __dma = __virt_to_bus(__virt); \ | 57 | __dma = __virt_to_phys(__virt); \ |
70 | __dma; \ | 58 | __dma; \ |
71 | }) | 59 | }) |
72 | 60 | ||