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-rw-r--r--include/asm-arm/arch-lh7a40x/memory.h76
1 files changed, 0 insertions, 76 deletions
diff --git a/include/asm-arm/arch-lh7a40x/memory.h b/include/asm-arm/arch-lh7a40x/memory.h
deleted file mode 100644
index 9b0c8012e713..000000000000
--- a/include/asm-arm/arch-lh7a40x/memory.h
+++ /dev/null
@@ -1,76 +0,0 @@
1/* include/asm-arm/arch-lh7a40x/memory.h
2 *
3 * Copyright (C) 2004 Coastal Environmental Systems
4 *
5 * This program is free software; you can redistribute it and/or
6 * modify it under the terms of the GNU General Public License
7 * version 2 as published by the Free Software Foundation.
8 *
9 *
10 * Refer to <file:Documentation/arm/Sharp-LH/SDRAM> for more information.
11 *
12 */
13
14#ifndef __ASM_ARCH_MEMORY_H
15#define __ASM_ARCH_MEMORY_H
16
17/*
18 * Physical DRAM offset.
19 */
20#define PHYS_OFFSET UL(0xc0000000)
21
22/*
23 * Virtual view <-> DMA view memory address translations
24 * virt_to_bus: Used to translate the virtual address to an
25 * address suitable to be passed to set_dma_addr
26 * bus_to_virt: Used to convert an address for DMA operations
27 * to an address that the kernel can use.
28 */
29#define __virt_to_bus(x) __virt_to_phys(x)
30#define __bus_to_virt(x) __phys_to_virt(x)
31
32#ifdef CONFIG_DISCONTIGMEM
33
34/*
35 * Given a kernel address, find the home node of the underlying memory.
36 */
37
38# ifdef CONFIG_LH7A40X_ONE_BANK_PER_NODE
39# define KVADDR_TO_NID(addr) \
40 ( ((((unsigned long) (addr) - PAGE_OFFSET) >> 24) & 1)\
41 | ((((unsigned long) (addr) - PAGE_OFFSET) >> 25) & ~1))
42# else /* 2 banks per node */
43# define KVADDR_TO_NID(addr) \
44 (((unsigned long) (addr) - PAGE_OFFSET) >> 26)
45# endif
46
47/*
48 * Given a page frame number, convert it to a node id.
49 */
50
51# ifdef CONFIG_LH7A40X_ONE_BANK_PER_NODE
52# define PFN_TO_NID(pfn) \
53 (((((pfn) - PHYS_PFN_OFFSET) >> (24 - PAGE_SHIFT)) & 1)\
54 | ((((pfn) - PHYS_PFN_OFFSET) >> (25 - PAGE_SHIFT)) & ~1))
55# else /* 2 banks per node */
56# define PFN_TO_NID(pfn) \
57 (((pfn) - PHYS_PFN_OFFSET) >> (26 - PAGE_SHIFT))
58#endif
59
60/*
61 * Given a kaddr, LOCAL_MEM_MAP finds the owning node of the memory
62 * and returns the index corresponding to the appropriate page in the
63 * node's mem_map.
64 */
65
66# ifdef CONFIG_LH7A40X_ONE_BANK_PER_NODE
67# define LOCAL_MAP_NR(addr) \
68 (((unsigned long)(addr) & 0x003fffff) >> PAGE_SHIFT)
69# else /* 2 banks per node */
70# define LOCAL_MAP_NR(addr) \
71 (((unsigned long)(addr) & 0x01ffffff) >> PAGE_SHIFT)
72# endif
73
74#endif
75
76#endif