| 1 | /*
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| 2 | * Copyright (c) 2006 Martin Decky
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| 3 | * All rights reserved.
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| 4 | *
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| 5 | * Redistribution and use in source and binary forms, with or without
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| 6 | * modification, are permitted provided that the following conditions
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| 7 | * are met:
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| 8 | *
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| 9 | * - Redistributions of source code must retain the above copyright
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| 10 | * notice, this list of conditions and the following disclaimer.
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| 11 | * - Redistributions in binary form must reproduce the above copyright
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| 12 | * notice, this list of conditions and the following disclaimer in the
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| 13 | * documentation and/or other materials provided with the distribution.
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| 14 | * - The name of the author may not be used to endorse or promote products
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| 15 | * derived from this software without specific prior written permission.
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| 16 | *
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| 17 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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| 18 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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| 19 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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| 20 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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| 21 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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| 22 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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| 23 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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| 24 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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| 25 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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| 26 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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| 27 | */
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| 28 |
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| 29 | #ifndef BOOT_mips32_ARCH_H_
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| 30 | #define BOOT_mips32_ARCH_H_
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| 31 |
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| 32 | #define PAGE_WIDTH 14
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| 33 | #define PAGE_SIZE (1 << PAGE_WIDTH)
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| 34 |
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| 35 | #define CPUMAP_OFFSET 0x00001000
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| 36 | #define STACK_OFFSET 0x00002000
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| 37 | #define BOOTINFO_OFFSET 0x00003000
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| 38 | #define BOOT_OFFSET 0x00100000
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| 39 |
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| 40 | #if defined(MACHINE_msim)
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| 41 | #define LOADER_OFFSET 0x1fc00000
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| 42 | #elif defined(MACHINE_lmalta) || defined(MACHINE_bmalta)
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| 43 | #define LOADER_OFFSET 0x00004000
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| 44 | #endif
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| 45 |
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| 46 | #if defined(MACHINE_msim)
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| 47 | #define MSIM_VIDEORAM_ADDRESS 0xb0000000
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| 48 | #define MSIM_DORDER_ADDRESS 0xb0000100
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| 49 | #endif
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| 50 |
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| 51 | #if defined(MACHINE_lmalta) || defined(MACHINE_bmalta)
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| 52 | #define MALTA_SERIAL 0xb80003f8
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| 53 | #endif
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| 54 |
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| 55 | #ifndef __ASM__
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| 56 | #define PA2KA(addr) (((uintptr_t) (addr)) + 0x80000000)
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| 57 | #define PA2KSEG(addr) (((uintptr_t) (addr)) + 0xa0000000)
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| 58 | #define KA2PA(addr) (((uintptr_t) (addr)) - 0x80000000)
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| 59 | #define KSEG2PA(addr) (((uintptr_t) (addr)) - 0xa0000000)
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| 60 | #else
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| 61 | #define PA2KA(addr) ((addr) + 0x80000000)
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| 62 | #define KSEG2PA(addr) ((addr) - 0xa0000000)
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| 63 | #endif
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| 64 |
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| 65 | #endif
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