unified MX27, MX25, MX37 trees
[karo-tx-redboot.git] / packages / hal / arm / mx25 / karo / v1_0 / include / plf_io.h
1 #ifndef CYGONCE_HAL_ARM_BOARD_PLF_IO_H
2 #define CYGONCE_HAL_ARM_BOARD_PLF_IO_H
3
4 //=============================================================================
5 //
6 //      plf_io.h
7 //
8 //      Platform specific support (register layout, etc)
9 //
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.
15 //
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.
19 //
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
23 // for more details.
24 //
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.
28 //
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.
35 //
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.
38 //
39 // Alternative licenses for eCos may be arranged by contacting Red Hat, Inc.
40 // at http://sources.redhat.com/ecos/ecos-license/
41 // -------------------------------------------
42 //####ECOSGPLCOPYRIGHTEND####
43 //=============================================================================
44
45 #include <cyg/hal/karo_tx25.h>
46 #include <cyg/hal/hal_soc.h>
47 #include <redboot.h>
48
49 #ifdef RAM_BANK1_SIZE
50 #define CYGHWR_REDBOOT_LINUX_ATAG_MEM(_p_)                                                      \
51         CYG_MACRO_START                                                                                                 \
52         {                                                                                                                               \
53                 extern unsigned int system_rev;                                                         \
54                 /* Next ATAG_MEM. */                                                                            \
55                 _p_->hdr.size = (sizeof(struct tag_mem32) +                                     \
56                                                   sizeof(struct tag_header))/sizeof(long);      \
57                 _p_->hdr.tag = ATAG_MEM;                                                                        \
58                 /* Round up so there's only one bit set in the memory size.     \
59                 * Don't double it if it's already a power of two, though.       \
60                 */                                                                                                                      \
61                 _p_->u.mem.size  = 1<<hal_msbindex(RAM_BANK0_SIZE);                     \
62                 if (_p_->u.mem.size < RAM_BANK0_SIZE)                                           \
63                                  _p_->u.mem.size <<= 1;                                                         \
64                 _p_->u.mem.start = RAM_BANK0_BASE;                                                      \
65                                                                                                                                         \
66                 _p_ = (struct tag *)((long *)_p_ + _p_->hdr.size);                      \
67                                                                                                                                         \
68                 /* Next ATAG_MEM. */                                                                            \
69                 _p_->hdr.size = (sizeof(struct tag_mem32) +                                     \
70                                                   sizeof(struct tag_header))/sizeof(long);      \
71                 _p_->hdr.tag = ATAG_MEM;                                                                        \
72                 /* Round up so there's only one bit set in the memory size.     \
73                 * Don't double it if it's already a power of two, though.       \
74                 */                                                                                                                      \
75                 _p_->u.mem.size  = 1<<hal_msbindex(RAM_BANK1_SIZE);                     \
76                 if (_p_->u.mem.size < RAM_BANK1_SIZE)                                           \
77                                  _p_->u.mem.size <<= 1;                                                         \
78                 _p_->u.mem.start = RAM_BANK1_BASE;                                                      \
79                                                                                                                                         \
80                 _p_ = (struct tag *)((long *)_p_ + _p_->hdr.size);                      \
81                                                                                                                                         \
82                 _p_->hdr.size = ((sizeof(struct tag_revision)) +                        \
83                                                   sizeof(struct tag_header))/sizeof(long);      \
84                 _p_->hdr.tag = ATAG_REVISION;                                                           \
85                 _p_->u.revision.rev = system_rev;                                                       \
86         }                                                                                                                               \
87         CYG_MACRO_END
88 #else
89 #define CYGHWR_REDBOOT_LINUX_ATAG_MEM(_p_)                                                      \
90         CYG_MACRO_START                                                                                                 \
91         {                                                                                                                               \
92                 extern unsigned int system_rev;                                                         \
93                 /* Next ATAG_MEM. */                                                                            \
94                 _p_->hdr.size = (sizeof(struct tag_mem32) +                                     \
95                                                   sizeof(struct tag_header))/sizeof(long);      \
96                 _p_->hdr.tag = ATAG_MEM;                                                                        \
97                 /* Round up so there's only one bit set in the memory size.     \
98                 * Don't double it if it's already a power of two, though.       \
99                 */                                                                                                                      \
100                 _p_->u.mem.size  = 1<<hal_msbindex(RAM_BANK0_SIZE);                     \
101                 if (_p_->u.mem.size < RAM_BANK0_SIZE)                                           \
102                                  _p_->u.mem.size <<= 1;                                                         \
103                 _p_->u.mem.start = RAM_BANK0_BASE;                                                      \
104                                                                                                                                         \
105                 _p_ = (struct tag *)((long *)_p_ + _p_->hdr.size);                      \
106                                                                                                                                         \
107                 _p_->hdr.size = ((sizeof(struct tag_revision)) +                        \
108                                                   sizeof(struct tag_header))/sizeof(long);      \
109                 _p_->hdr.tag = ATAG_REVISION;                                                           \
110                 _p_->u.revision.rev = system_rev;                                                       \
111         }                                                                                                                               \
112         CYG_MACRO_END
113 #endif
114
115 #endif // CYGONCE_HAL_ARM_BOARD_PLF_IO_H