51 lines
1.2 KiB
C
51 lines
1.2 KiB
C
/*
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*
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* arch/arm/mach-u300/include/mach/memory.h
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*
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*
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* Copyright (C) 2007-2009 ST-Ericsson AB
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* License terms: GNU General Public License (GPL) version 2
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* Memory virtual/physical mapping constants.
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* Author: Linus Walleij <linus.walleij@stericsson.com>
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* Author: Jonas Aaberg <jonas.aberg@stericsson.com>
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*/
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#ifndef __MACH_MEMORY_H
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#define __MACH_MEMORY_H
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#ifdef CONFIG_MACH_U300_DUAL_RAM
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#define PHYS_OFFSET UL(0x48000000)
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#define BOOT_PARAMS_OFFSET (PHYS_OFFSET + 0x100)
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#else
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#ifdef CONFIG_MACH_U300_2MB_ALIGNMENT_FIX
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#define PHYS_OFFSET (0x28000000 + \
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(CONFIG_MACH_U300_ACCESS_MEM_SIZE - \
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(CONFIG_MACH_U300_ACCESS_MEM_SIZE & 1))*1024*1024)
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#else
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#define PHYS_OFFSET (0x28000000 + \
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(CONFIG_MACH_U300_ACCESS_MEM_SIZE + \
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(CONFIG_MACH_U300_ACCESS_MEM_SIZE & 1))*1024*1024)
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#endif
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#define BOOT_PARAMS_OFFSET (0x28000000 + \
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(CONFIG_MACH_U300_ACCESS_MEM_SIZE + \
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(CONFIG_MACH_U300_ACCESS_MEM_SIZE & 1))*1024*1024 + 0x100)
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#endif
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/*
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* TCM memory whereabouts
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*/
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#define ITCM_OFFSET 0xffff2000
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#define ITCM_END 0xffff3fff
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#define DTCM_OFFSET 0xffff4000
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#define DTCM_END 0xffff5fff
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/*
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* We enable a real big DMA buffer if need be.
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*/
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#define CONSISTENT_DMA_SIZE SZ_4M
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#endif
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