diff options
Diffstat (limited to 'arch/arm/mach-ixp4xx/include/mach/memory.h')
-rw-r--r-- | arch/arm/mach-ixp4xx/include/mach/memory.h | 40 |
1 files changed, 40 insertions, 0 deletions
diff --git a/arch/arm/mach-ixp4xx/include/mach/memory.h b/arch/arm/mach-ixp4xx/include/mach/memory.h new file mode 100644 index 00000000000..c4d2830ac98 --- /dev/null +++ b/arch/arm/mach-ixp4xx/include/mach/memory.h @@ -0,0 +1,40 @@ +/* + * arch/arm/mach-ixp4xx/include/mach/memory.h + * + * Copyright (c) 2001-2004 MontaVista Software, Inc. + */ + +#ifndef __ASM_ARCH_MEMORY_H +#define __ASM_ARCH_MEMORY_H + +#include <asm/sizes.h> + +/* + * Physical DRAM offset. + */ +#define PHYS_OFFSET UL(0x00000000) + +#if !defined(__ASSEMBLY__) && defined(CONFIG_PCI) + +void ixp4xx_adjust_zones(int node, unsigned long *size, unsigned long *holes); + +#define arch_adjust_zones(node, size, holes) \ + ixp4xx_adjust_zones(node, size, holes) + +#define ISA_DMA_THRESHOLD (SZ_64M - 1) + +#endif + +/* + * Virtual view <-> DMA view memory address translations + * virt_to_bus: Used to translate the virtual address to an + * address suitable to be passed to set_dma_addr + * bus_to_virt: Used to convert an address for DMA operations + * to an address that the kernel can use. + * + * These are dummies for now. + */ +#define __virt_to_bus(x) __virt_to_phys(x) +#define __bus_to_virt(x) __phys_to_virt(x) + +#endif |