include/asm-arm/arch-moxart/memory.h

   1
   2 /*
   3  * linux/include/asm-armnommu/arch-p52/memory.h
   4  *
   5  * Copyright (c) 1999 Nicolas Pitre <nico@cam.org>
   6  * 2001 Mindspeed
   7  */
   8
   9 #ifndef __ASM_ARCH_MEMORY_H
  10 #define __ASM_ARCH_MEMORY_H
  11
  12 /* #include <linux/config.h> */
  13
  14 #if 0   /* mask by Victor Yu. 11-17-2005 */
  15 #define TASK_SIZE       (0x01a00000UL)
  16 #define TASK_SIZE_26    TASK_SIZE
  17
  18 #define DRAM_BASE       0x00000000
  19 #define DRAM_SIZE       CONFIG_DRAM_SIZE
  20 #define MEM_SIZE        DRAM_SIZE
  21
  22 #define PHYS_OFFSET     (DRAM_BASE)
  23 #define PAGE_OFFSET     (0xc0000000UL)
  24 #define PAGE_OFFSET     (DRAM_BASE)
  25 #define END_MEM         (DRAM_BASE + DRAM_SIZE)
  26 #define DMA_SIZE        0xffffffff
  27 #endif
  28
  29 #define TASK_SIZE       (0x01a00000UL)
  30 #define TASK_SIZE_26    TASK_SIZE
  31 #define PHYS_OFFSET     CONFIG_DRAM_BASE
  32 #define PAGE_OFFSET     CONFIG_DRAM_BASE
  33 #define END_MEM         (CONFIG_DRAM_BASE + CONFIG_DRAM_SIZE)
  34
  35 #define __virt_to_phys(vpage) ((unsigned long) (vpage))
  36 #define __phys_to_virt(ppage) ((void *) (ppage))
  37 #define __virt_to_bus(vpage) ((unsigned long) (vpage))
  38 #define __bus_to_virt(ppage) ((void *) (ppage))
  39 #define dma_to_virt(dev, addr)          ((void *)__bus_to_virt(addr))
  40 #define virt_to_dma(dev, addr)          ((dma_addr_t)__virt_to_bus((unsigned long)(addr)))
  41 #define page_to_dma(dev, page)          ((dma_addr_t)__virt_to_bus((unsigned long)page_address(page)))
  42
  43 #if 0   /* mask by Victor Yu. */
  44 #define __virt_to_phys__is_a_macro
  45 #define __virt_to_phys(vpage) ((vpage) - PAGE_OFFSET)
  46 #define __phys_to_virt__is_a_macro
  47 #define __phys_to_virt(ppage) ((ppage) + PAGE_OFFSET)
  48
  49 #define __virt_to_bus__is_a_macro
  50 #define __virt_to_bus(x)        (x - PAGE_OFFSET)
  51 #define __bus_to_virt__is_a_macro
  52 #define __bus_to_virt(x)        (x + PAGE_OFFSET)
  53
  54 #define TASK_UNMAPPED_BASE (TASK_SIZE / 3)
  55 #endif
  56 #endif