| 1 |
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| 2 | |
| 3 | * OpenRISC Linux
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| 4 | *
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| 5 | * Linux architectural port borrowing liberally from similar works of
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| 6 | * others. All original copyrights apply as per the original source
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| 7 | * declaration.
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| 8 | *
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| 9 | * OpenRISC implementation:
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| 10 | * Copyright (C) 2003 Matjaz Breskvar <[email protected]>
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| 11 | * Copyright (C) 2010-2011 Jonas Bonn <[email protected]>
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| 12 | * et al.
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| 13 |
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| 14 |
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| 15 | #ifndef __ASM_OPENRISC_FIXMAP_H
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| 16 | #define __ASM_OPENRISC_FIXMAP_H
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| 17 |
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| 18 | |
| 19 | * addresses and the top of virtual memory? Something is using that
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| 20 | * memory space but not sure what right now... If you find it, leave
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| 21 | * a comment here.
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| 22 |
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| 23 | #define FIXADDR_TOP ((unsigned long) (-2*PAGE_SIZE))
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| 24 |
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| 25 | #include <linux/kernel.h>
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| 26 | #include <linux/bug.h>
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| 27 | #include <asm/page.h>
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| 28 |
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| 29 | enum fixed_addresses {
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| 30 | FIX_EARLYCON_MEM_BASE,
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| 31 | FIX_TEXT_POKE0,
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| 32 | __end_of_fixed_addresses
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| 33 | };
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| 34 |
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| 35 | #define FIXADDR_SIZE (__end_of_fixed_addresses << PAGE_SHIFT)
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| 36 |
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| 37 | #define FIXADDR_START (FIXADDR_TOP - FIXADDR_SIZE)
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| 38 | #define FIXMAP_PAGE_IO PAGE_KERNEL_NOCACHE
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| 39 |
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| 40 | extern void __set_fixmap(enum fixed_addresses idx,
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| 41 | phys_addr_t phys, pgprot_t flags);
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| 42 |
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| 43 | #include <asm-generic/fixmap.h>
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| 44 |
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| 45 | #endif
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