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comparison packages/hal/arm/arm9/aaed2000/current/include/plf_io.h @ 208:e0c0827131d1 ecos

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Merge from eCos master repository on 2002-05-20-20:11:54-BST
author jlarmour
date Mon, 20 May 2002 22:19:26 +0000
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children d2c90368aeef
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207:74c807ddde34 208:e0c0827131d1
1 #ifndef CYGONCE_HAL_PLF_IO_H
2 #define CYGONCE_HAL_PLF_IO_H
3 //=============================================================================
4 //
5 // plf_io.h
6 //
7 // Platform specific registers
8 //
9 //=============================================================================
10 //####ECOSGPLCOPYRIGHTBEGIN####
11 // -------------------------------------------
12 // This file is part of eCos, the Embedded Configurable Operating System.
13 // Copyright (C) 1998, 1999, 2000, 2001, 2002 Red Hat, Inc.
14 //
15 // eCos is free software; you can redistribute it and/or modify it under
16 // the terms of the GNU General Public License as published by the Free
17 // Software Foundation; either version 2 or (at your option) any later version.
18 //
19 // eCos is distributed in the hope that it will be useful, but WITHOUT ANY
20 // WARRANTY; without even the implied warranty of MERCHANTABILITY or
21 // FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
22 // for more details.
23 //
24 // You should have received a copy of the GNU General Public License along
25 // with eCos; if not, write to the Free Software Foundation, Inc.,
26 // 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
27 //
28 // As a special exception, if other files instantiate templates or use macros
29 // or inline functions from this file, or you compile this file and link it
30 // with other works to produce a work based on this file, this file does not
31 // by itself cause the resulting work to be covered by the GNU General Public
32 // License. However the source code for this file must still be made available
33 // in accordance with section (3) of the GNU General Public License.
34 //
35 // This exception does not invalidate any other reasons why a work based on
36 // this file might be covered by the GNU General Public License.
37 //
38 // Alternative licenses for eCos may be arranged by contacting Red Hat, Inc.
39 // at http://sources.redhat.com/ecos/ecos-license
40 // -------------------------------------------
41 //####ECOSGPLCOPYRIGHTEND####
42 //=============================================================================
43 //#####DESCRIPTIONBEGIN####
44 //
45 // Author(s): jskov
46 // Contributors:jskov
47 // Date: 2001-10-31
48 // Purpose: ARM/AAED2000 platform specific registers
49 // Description:
50 // Usage: #include <cyg/hal/plf_io.h>
51 //
52 //####DESCRIPTIONEND####
53 //
54 //=============================================================================
55
56 #include <cyg/hal/aaed2000.h>
57
58 //-----------------------------------------------------------------------------
59 // Address space translation macros
60 // FIXME: The SDRAM translation is only correct for the first block
61 #define CYGARC_PHYSICAL_ADDRESS(_x_) \
62 ({ CYG_ADDRWORD _p = (CYG_ADDRWORD)(_x_); \
63 if (_p >= AAED2000_SDRAM_VIRT_BASE && \
64 _p < (AAED2000_SDRAM_VIRT_BASE+AAED2000_SDRAM_SIZE)) \
65 _p = (_p & AAED2000_SDRAM_MASK) + AAED2000_SDRAM_PHYS_BASE; \
66 else if (_p >= AAED2000_FLASH_VIRT_BASE && \
67 _p < (AAED2000_FLASH_VIRT_BASE+AAED2000_FLASH_SIZE)) \
68 _p = (_p & AAED2000_FLASH_MASK) + AAED2000_FLASH_PHYS_BASE; \
69 _p; })
70
71 #define CYGARC_VIRTUAL_ADDRESS(_x_) \
72 ({ CYG_ADDRWORD _p = (CYG_ADDRWORD)(_x_); \
73 if (_p >= AAED2000_SDRAM_PHYS_BASE && \
74 _p < (AAED2000_SDRAM_PHYS_BASE+AAED2000_SDRAM_SIZE)) \
75 _p = (_p & AAED2000_SDRAM_MASK) + AAED2000_SDRAM_VIRT_BASE; \
76 else if (_p >= AAED2000_FLASH_PHYS_BASE && \
77 _p < (AAED2000_FLASH_PHYS_BASE+AAED2000_FLASH_SIZE)) \
78 _p = (_p & AAED2000_FLASH_MASK) + AAED2000_FLASH_VIRT_BASE; \
79 _p; })
80
81
82
83 //-----------------------------------------------------------------------------
84 // Macro used for translating from flash address used by RedBoot to that
85 // used by ARM Boot monitor.
86 #define _ADDR_REDBOOT_TO_ARM(x) (((CYG_ADDRESS)x & ~0x60000000) | 0x04000000)
87
88 //-----------------------------------------------------------------------------
89 // end of plf_io.h
90 #endif // CYGONCE_HAL_PLF_IO_H