| 1 | /*
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| 2 | * Copyright (c) 2007 Pavel Jancik
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| 3 | * Copyright (c) 2007 Michal Kebrt
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| 4 | * All rights reserved.
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| 5 | *
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| 6 | * Redistribution and use in source and binary forms, with or without
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| 7 | * modification, are permitted provided that the following conditions
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| 8 | * are met:
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| 9 | *
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| 10 | * - Redistributions of source code must retain the above copyright
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| 11 | * notice, this list of conditions and the following disclaimer.
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| 12 | * - Redistributions in binary form must reproduce the above copyright
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| 13 | * notice, this list of conditions and the following disclaimer in the
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| 14 | * documentation and/or other materials provided with the distribution.
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| 15 | * - The name of the author may not be used to endorse or promote products
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| 16 | * derived from this software without specific prior written permission.
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| 17 | *
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| 18 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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| 19 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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| 20 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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| 21 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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| 22 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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| 23 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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| 24 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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| 25 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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| 26 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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| 27 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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| 28 | */
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| 29 |
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| 30 | /** @addtogroup arm32mm
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| 31 | * @{
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| 32 | */
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| 33 | /** @file
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| 34 | * @brief Frame related declarations.
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| 35 | */
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| 36 |
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| 37 | #ifndef KERN_arm32_FRAME_H_
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| 38 | #define KERN_arm32_FRAME_H_
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| 39 |
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| 40 | #define FRAME_WIDTH 12 /* 4KB frames */
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| 41 | #define FRAME_SIZE (1 << FRAME_WIDTH)
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| 42 |
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| 43 | #define FRAME_LOWPRIO 0
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| 44 |
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| 45 | #ifndef __ASM__
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| 46 |
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| 47 | #define BOOT_PAGE_TABLE_SIZE 0x4000
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| 48 |
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| 49 | #ifdef MACHINE_gta02
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| 50 |
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| 51 | #define PHYSMEM_START_ADDR 0x30008000
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| 52 | #define BOOT_PAGE_TABLE_ADDRESS 0x30010000
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| 53 |
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| 54 | #elif defined MACHINE_beagleboardxm
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| 55 |
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| 56 | #define PHYSMEM_START_ADDR 0x80000000
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| 57 | #define BOOT_PAGE_TABLE_ADDRESS 0x80008000
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| 58 |
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| 59 | #elif defined MACHINE_beaglebone
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| 60 |
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| 61 | #define PHYSMEM_START_ADDR 0x80000000
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| 62 | #define BOOT_PAGE_TABLE_ADDRESS 0x80008000
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| 63 |
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| 64 | #elif defined MACHINE_raspberrypi
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| 65 |
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| 66 | #define PHYSMEM_START_ADDR 0x00000000
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| 67 | #define BOOT_PAGE_TABLE_ADDRESS 0x00010000
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| 68 |
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| 69 | #else
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| 70 |
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| 71 | #define PHYSMEM_START_ADDR 0x00000000
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| 72 | #define BOOT_PAGE_TABLE_ADDRESS 0x00008000
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| 73 |
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| 74 | #endif
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| 75 |
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| 76 | #define BOOT_PAGE_TABLE_START_FRAME (BOOT_PAGE_TABLE_ADDRESS >> FRAME_WIDTH)
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| 77 | #define BOOT_PAGE_TABLE_SIZE_IN_FRAMES (BOOT_PAGE_TABLE_SIZE >> FRAME_WIDTH)
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| 78 |
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| 79 | extern void frame_low_arch_init(void);
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| 80 | extern void frame_high_arch_init(void);
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| 81 | extern void boot_page_table_free(void);
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| 82 | #define physmem_print()
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| 83 |
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| 84 | #endif /* __ASM__ */
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| 85 |
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| 86 | #endif
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| 87 |
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| 88 | /** @}
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| 89 | */
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