1 #ifndef CYGONCE_HAL_ARM_BOARD_PLF_IO_H
2 #define CYGONCE_HAL_ARM_BOARD_PLF_IO_H
4 //=============================================================================
8 // Platform specific support (register layout, etc)
10 //=============================================================================
11 //####ECOSGPLCOPYRIGHTBEGIN####
12 // -------------------------------------------
13 // This file is part of eCos, the Embedded Configurable Operating System.
14 // Copyright (C) 1998, 1999, 2000, 2001, 2002 Red Hat, Inc.
16 // eCos is free software; you can redistribute it and/or modify it under
17 // the terms of the GNU General Public License as published by the Free
18 // Software Foundation; either version 2 or (at your option) any later version.
20 // eCos is distributed in the hope that it will be useful, but WITHOUT ANY
21 // WARRANTY; without even the implied warranty of MERCHANTABILITY or
22 // FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
25 // You should have received a copy of the GNU General Public License along
26 // with eCos; if not, write to the Free Software Foundation, Inc.,
27 // 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
29 // As a special exception, if other files instantiate templates or use macros
30 // or inline functions from this file, or you compile this file and link it
31 // with other works to produce a work based on this file, this file does not
32 // by itself cause the resulting work to be covered by the GNU General Public
33 // License. However the source code for this file must still be made available
34 // in accordance with section (3) of the GNU General Public License.
36 // This exception does not invalidate any other reasons why a work based on
37 // this file might be covered by the GNU General Public License.
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40 // at http://sources.redhat.com/ecos/ecos-license/
41 // -------------------------------------------
42 //####ECOSGPLCOPYRIGHTEND####
43 //=============================================================================
45 #include CYGBLD_HAL_PLF_DEFS_H
46 #include <cyg/hal/hal_soc.h>
49 #define CYGHWR_REDBOOT_LINUX_ATAG_MEM(_p_) \
52 extern unsigned int system_rev; \
53 /* Next ATAG_MEM. */ \
54 _p_->hdr.size = (sizeof(struct tag_mem32) + \
55 sizeof(struct tag_header))/sizeof(long); \
56 _p_->hdr.tag = ATAG_MEM; \
57 /* Round up so there's only one bit set in the memory size. \
58 * Don't double it if it's already a power of two, though. \
60 _p_->u.mem.size = 1<<hal_msbindex(RAM_BANK0_SIZE); \
61 if (_p_->u.mem.size < RAM_BANK0_SIZE) \
62 _p_->u.mem.size <<= 1; \
63 _p_->u.mem.start = RAM_BANK0_BASE; \
65 _p_ = (struct tag *)((long *)_p_ + _p_->hdr.size); \
67 /* Next ATAG_MEM. */ \
68 _p_->hdr.size = (sizeof(struct tag_mem32) + \
69 sizeof(struct tag_header))/sizeof(long); \
70 _p_->hdr.tag = ATAG_MEM; \
71 /* Round up so there's only one bit set in the memory size. \
72 * Don't double it if it's already a power of two, though. \
74 _p_->u.mem.size = 1<<hal_msbindex(RAM_BANK1_SIZE); \
75 if (_p_->u.mem.size < RAM_BANK1_SIZE) \
76 _p_->u.mem.size <<= 1; \
77 _p_->u.mem.start = RAM_BANK1_BASE; \
79 _p_ = (struct tag *)((long *)_p_ + _p_->hdr.size); \
81 _p_->hdr.size = ((sizeof(struct tag_revision)) + \
82 sizeof(struct tag_header))/sizeof(long); \
83 _p_->hdr.tag = ATAG_REVISION; \
84 _p_->u.revision.rev = system_rev; \
88 #define CYGHWR_REDBOOT_LINUX_ATAG_MEM(_p_) \
91 extern unsigned int system_rev; \
92 /* Next ATAG_MEM. */ \
93 _p_->hdr.size = (sizeof(struct tag_mem32) + \
94 sizeof(struct tag_header))/sizeof(long); \
95 _p_->hdr.tag = ATAG_MEM; \
96 /* Round up so there's only one bit set in the memory size. \
97 * Don't double it if it's already a power of two, though. \
99 _p_->u.mem.size = 1<<hal_msbindex(RAM_BANK0_SIZE); \
100 if (_p_->u.mem.size < RAM_BANK0_SIZE) \
101 _p_->u.mem.size <<= 1; \
102 _p_->u.mem.start = RAM_BANK0_BASE; \
104 _p_ = (struct tag *)((long *)_p_ + _p_->hdr.size); \
106 _p_->hdr.size = ((sizeof(struct tag_revision)) + \
107 sizeof(struct tag_header))/sizeof(long); \
108 _p_->hdr.tag = ATAG_REVISION; \
109 _p_->u.revision.rev = system_rev; \
112 #endif /* RAM_BANK1_SIZE */
114 #endif // CYGONCE_HAL_ARM_BOARD_PLF_IO_H