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>
48 #define __ul(x) ((unsigned long)(x))
49 #define CYGARC_PHYSICAL_ADDRESS(x) ((__ul(x) < SDRAM_SIZE) ? \
50 (__ul(x) + ((__ul(x) < RAM_BANK0_SIZE) ? \
51 RAM_BANK0_BASE : RAM_BANK1_BASE - RAM_BANK0_SIZE)) : \
52 ((__ul(x) >= RAM_BANK0_BASE) && (__ul(x) < RAM_BANK0_BASE + SDRAM_SIZE)) ? \
53 (((__ul(x) < RAM_BANK0_BASE + RAM_BANK0_SIZE)) ? \
54 __ul(x) : __ul(x) - RAM_BANK0_BASE + RAM_BANK1_BASE - RAM_BANK0_SIZE) : ~0)
57 #define CYGHWR_REDBOOT_LINUX_ATAG_MEM(_p_) \
60 extern unsigned int system_rev; \
61 /* Next ATAG_MEM. */ \
62 _p_->hdr.size = (sizeof(struct tag_mem32) + \
63 sizeof(struct tag_header))/sizeof(long); \
64 _p_->hdr.tag = ATAG_MEM; \
65 /* Round up so there's only one bit set in the memory size. \
66 * Don't double it if it's already a power of two, though. \
68 _p_->u.mem.size = 1<<hal_msbindex(RAM_BANK0_SIZE); \
69 if (_p_->u.mem.size < RAM_BANK0_SIZE) \
70 _p_->u.mem.size <<= 1; \
71 _p_->u.mem.start = RAM_BANK0_BASE; \
73 _p_ = (struct tag *)((long *)_p_ + _p_->hdr.size); \
75 /* Next ATAG_MEM. */ \
76 _p_->hdr.size = (sizeof(struct tag_mem32) + \
77 sizeof(struct tag_header))/sizeof(long); \
78 _p_->hdr.tag = ATAG_MEM; \
79 /* Round up so there's only one bit set in the memory size. \
80 * Don't double it if it's already a power of two, though. \
82 _p_->u.mem.size = 1<<hal_msbindex(RAM_BANK1_SIZE); \
83 if (_p_->u.mem.size < RAM_BANK1_SIZE) \
84 _p_->u.mem.size <<= 1; \
85 _p_->u.mem.start = RAM_BANK1_BASE; \
87 _p_ = (struct tag *)((long *)_p_ + _p_->hdr.size); \
89 _p_->hdr.size = ((sizeof(struct tag_revision)) + \
90 sizeof(struct tag_header))/sizeof(long); \
91 _p_->hdr.tag = ATAG_REVISION; \
92 _p_->u.revision.rev = system_rev; \
96 #define CYGHWR_REDBOOT_LINUX_ATAG_MEM(_p_) \
99 extern unsigned int system_rev; \
100 /* Next ATAG_MEM. */ \
101 _p_->hdr.size = (sizeof(struct tag_mem32) + \
102 sizeof(struct tag_header))/sizeof(long); \
103 _p_->hdr.tag = ATAG_MEM; \
104 /* Round up so there's only one bit set in the memory size. \
105 * Don't double it if it's already a power of two, though. \
107 _p_->u.mem.size = 1<<hal_msbindex(RAM_BANK0_SIZE); \
108 if (_p_->u.mem.size < RAM_BANK0_SIZE) \
109 _p_->u.mem.size <<= 1; \
110 _p_->u.mem.start = RAM_BANK0_BASE; \
112 _p_ = (struct tag *)((long *)_p_ + _p_->hdr.size); \
114 _p_->hdr.size = ((sizeof(struct tag_revision)) + \
115 sizeof(struct tag_header))/sizeof(long); \
116 _p_->hdr.tag = ATAG_REVISION; \
117 _p_->u.revision.rev = system_rev; \
120 #endif /* RAM_BANK1_SIZE */
122 #endif // CYGONCE_HAL_ARM_BOARD_PLF_IO_H