Mercurial > flash_v2

annotate packages/devs/flash/intel/strata/current/src/strata.c @ 156:b939e9cada46

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
Merge from eCos master repository on 2001-03-29-21:44:39-BST
author jlarmour
date Fri, 06 Apr 2001 17:20:13 +0000
parents
children 511f4dc167f6
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
156
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST
jlarmour
parents:
diff changeset
1 //==========================================================================
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST
jlarmour
parents:
diff changeset
2 //
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST
jlarmour
parents:
diff changeset
3 // strata.c
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST
jlarmour
parents:
diff changeset
4 //
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST
jlarmour
parents:
diff changeset
5 // Flash programming
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST
jlarmour
parents:
diff changeset
6 //
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST
jlarmour
parents:
diff changeset
7 //==========================================================================
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST
jlarmour
parents:
diff changeset
8 //####COPYRIGHTBEGIN####
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST
jlarmour
parents:
diff changeset
9 //
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST
jlarmour
parents:
diff changeset
10 // -------------------------------------------
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST
jlarmour
parents:
diff changeset
11 // The contents of this file are subject to the Red Hat eCos Public License
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST
jlarmour
parents:
diff changeset
12 // Version 1.1 (the "License"); you may not use this file except in
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST
jlarmour
parents:
diff changeset
13 // compliance with the License. You may obtain a copy of the License at
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST
jlarmour
parents:
diff changeset
14 // http://www.redhat.com/
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST
jlarmour
parents:
diff changeset
15 //
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST
jlarmour
parents:
diff changeset
16 // Software distributed under the License is distributed on an "AS IS"
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST
jlarmour
parents:
diff changeset
17 // basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See the
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST
jlarmour
parents:
diff changeset
18 // License for the specific language governing rights and limitations under
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST
jlarmour
parents:
diff changeset
19 // the License.
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST
jlarmour
parents:
diff changeset
20 //
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST
jlarmour
parents:
diff changeset
21 // The Original Code is eCos - Embedded Configurable Operating System,
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST
jlarmour
parents:
diff changeset
22 // released September 30, 1998.
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST
jlarmour
parents:
diff changeset
23 //
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST
jlarmour
parents:
diff changeset
24 // The Initial Developer of the Original Code is Red Hat.
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST
jlarmour
parents:
diff changeset
25 // Portions created by Red Hat are
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST
jlarmour
parents:
diff changeset
26 // Copyright (C) 1998, 1999, 2000, 2001 Red Hat, Inc.
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST
jlarmour
parents:
diff changeset
27 // All Rights Reserved.
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST
jlarmour
parents:
diff changeset
28 // -------------------------------------------
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST
jlarmour
parents:
diff changeset
29 //
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST
jlarmour
parents:
diff changeset
30 //####COPYRIGHTEND####
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST
jlarmour
parents:
diff changeset
31 //==========================================================================
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST
jlarmour
parents:
diff changeset
32 //#####DESCRIPTIONBEGIN####
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST
jlarmour
parents:
diff changeset
33 //
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST
jlarmour
parents:
diff changeset
34 // Author(s): gthomas, hmt
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST
jlarmour
parents:
diff changeset
35 // Contributors: gthomas
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST
jlarmour
parents:
diff changeset
36 // Date: 2001-02-14
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST
jlarmour
parents:
diff changeset
37 // Purpose:
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST
jlarmour
parents:
diff changeset
38 // Description:
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST
jlarmour
parents:
diff changeset
39 //
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST
jlarmour
parents:
diff changeset
40 //####DESCRIPTIONEND####
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST
jlarmour
parents:
diff changeset
41 //
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST
jlarmour
parents:
diff changeset
42 //==========================================================================
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST
jlarmour
parents:
diff changeset
43
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST
jlarmour
parents:
diff changeset
44 #include <pkgconf/system.h>
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST
jlarmour
parents:
diff changeset
45 #include <pkgconf/hal.h>
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST
jlarmour
parents:
diff changeset
46 #include <cyg/hal/hal_arch.h>
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST
jlarmour
parents:
diff changeset
47 #include <cyg/hal/hal_cache.h>
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST
jlarmour
parents:
diff changeset
48
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST
jlarmour
parents:
diff changeset
49 #define _FLASH_PRIVATE_
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST
jlarmour
parents:
diff changeset
50 #include <cyg/io/flash.h>
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST
jlarmour
parents:
diff changeset
51
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST
jlarmour
parents:
diff changeset
52 #include "strata.h"
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST
jlarmour
parents:
diff changeset
53
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST
jlarmour
parents:
diff changeset
54 #define _si(p) ((p[1]<<8)|p[0])
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST
jlarmour
parents:
diff changeset
55
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST
jlarmour
parents:
diff changeset
56 extern void diag_dump_buf(void *buf, CYG_ADDRWORD len);
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST
jlarmour
parents:
diff changeset
57
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST
jlarmour
parents:
diff changeset
58 extern int strncmp(const char *s1, const char *s2, int len);
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST
jlarmour
parents:
diff changeset
59
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST
jlarmour
parents:
diff changeset
60 int
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST
jlarmour
parents:
diff changeset
61 flash_hwr_init(void)
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST
jlarmour
parents:
diff changeset
62 {
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST
jlarmour
parents:
diff changeset
63 struct FLASH_query data, *qp;
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST
jlarmour
parents:
diff changeset
64 extern char flash_query, flash_query_end;
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST
jlarmour
parents:
diff changeset
65 typedef int code_fun(unsigned char *);
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST
jlarmour
parents:
diff changeset
66 code_fun *_flash_query;
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST
jlarmour
parents:
diff changeset
67 int code_len, stat, num_regions, region_size, buffer_size;
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST
jlarmour
parents:
diff changeset
68
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST
jlarmour
parents:
diff changeset
69 // Copy 'program' code to RAM for execution
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST
jlarmour
parents:
diff changeset
70 code_len = (unsigned long)&flash_query_end - (unsigned long)&flash_query;
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST
jlarmour
parents:
diff changeset
71 _flash_query = (code_fun *)flash_info.work_space;
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST
jlarmour
parents:
diff changeset
72 memcpy(_flash_query, &flash_query, code_len);
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST
jlarmour
parents:
diff changeset
73 HAL_DCACHE_SYNC(); // Should guarantee this code will run
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST
jlarmour
parents:
diff changeset
74 HAL_ICACHE_DISABLE(); // is also required to avoid old contents
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST
jlarmour
parents:
diff changeset
75
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST
jlarmour
parents:
diff changeset
76 stat = (*_flash_query)((unsigned char *)&data);
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST
jlarmour
parents:
diff changeset
77 HAL_ICACHE_ENABLE();
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST
jlarmour
parents:
diff changeset
78
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST
jlarmour
parents:
diff changeset
79 qp = &data;
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST
jlarmour
parents:
diff changeset
80 if ( (qp->manuf_code == FLASH_Intel_code)
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST
jlarmour
parents:
diff changeset
81 #ifdef CYGOPT_FLASH_IS_BOOTBLOCK
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST
jlarmour
parents:
diff changeset
82 // device types go as follows: 0x90 for 16-bits, 0xD0 for 8-bits,
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST
jlarmour
parents:
diff changeset
83 // plus 0 or 1 for -T (Top Boot) or -B (Bottom Boot)
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST
jlarmour
parents:
diff changeset
84 // [FIXME: whatever that means :FIXME]
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST
jlarmour
parents:
diff changeset
85 // [I think it means the boot blocks are top/bottom of addr space]
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST
jlarmour
parents:
diff changeset
86 // plus the following size codes:
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST
jlarmour
parents:
diff changeset
87 // 0: 16Mbit 2: 8Mbit 4: 4Mbit
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST
jlarmour
parents:
diff changeset
88 // 6: 32Mbit 8: 64Mbit
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST
jlarmour
parents:
diff changeset
89 #if 16 == CYGNUM_FLASH_WIDTH
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST
jlarmour
parents:
diff changeset
90 && (0x90 == (0xF0 & qp->device_code)) // 16-bit devices
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST
jlarmour
parents:
diff changeset
91 #elif 8 == CYGNUM_FLASH_WIDTH
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST
jlarmour
parents:
diff changeset
92 && (0xD0 == (0xF0 & qp->device_code)) // 8-bit devices
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST
jlarmour
parents:
diff changeset
93 #else
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST
jlarmour
parents:
diff changeset
94 && 0
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST
jlarmour
parents:
diff changeset
95 #error Only understand 16 and 8-bit bootblock flash types
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST
jlarmour
parents:
diff changeset
96 #endif
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST
jlarmour
parents:
diff changeset
97 ) {
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST
jlarmour
parents:
diff changeset
98 int lookup[] = { 16, 8, 4, 32, 64 };
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST
jlarmour
parents:
diff changeset
99 #define BLOCKSIZE (0x10000)
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST
jlarmour
parents:
diff changeset
100 region_size = BLOCKSIZE;
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST
jlarmour
parents:
diff changeset
101 num_regions = qp->device_code & 0x0F;
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST
jlarmour
parents:
diff changeset
102 num_regions >>= 1;
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST
jlarmour
parents:
diff changeset
103 if ( num_regions > 4 )
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST
jlarmour
parents:
diff changeset
104 goto flash_type_unknown;
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST
jlarmour
parents:
diff changeset
105 num_regions = lookup[num_regions];
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST
jlarmour
parents:
diff changeset
106 num_regions *= 1024 * 1024; // to bits
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST
jlarmour
parents:
diff changeset
107 num_regions /= 8; // to bytes
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST
jlarmour
parents:
diff changeset
108 num_regions /= BLOCKSIZE; // to blocks
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST
jlarmour
parents:
diff changeset
109 buffer_size = 0;
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST
jlarmour
parents:
diff changeset
110 #else // CYGOPT_FLASH_IS_BOOTBLOCK
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST
jlarmour
parents:
diff changeset
111 && (strncmp(qp->id, "QRY", 3) == 0)) {
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST
jlarmour
parents:
diff changeset
112 num_regions = _si(qp->num_regions)+1;
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST
jlarmour
parents:
diff changeset
113 region_size = _si(qp->region_size)*256;
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST
jlarmour
parents:
diff changeset
114 if (_si(qp->buffer_size)) {
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST
jlarmour
parents:
diff changeset
115 buffer_size = CYGNUM_FLASH_DEVICES << _si(qp->buffer_size);
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST
jlarmour
parents:
diff changeset
116 } else {
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST
jlarmour
parents:
diff changeset
117 buffer_size = 0;
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST
jlarmour
parents:
diff changeset
118 }
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST
jlarmour
parents:
diff changeset
119 #endif // Not CYGOPT_FLASH_IS_BOOTBLOCK
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST
jlarmour
parents:
diff changeset
120
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST
jlarmour
parents:
diff changeset
121 flash_info.block_size = region_size*CYGNUM_FLASH_DEVICES;
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST
jlarmour
parents:
diff changeset
122 flash_info.buffer_size = buffer_size;
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST
jlarmour
parents:
diff changeset
123 flash_info.blocks = num_regions;
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST
jlarmour
parents:
diff changeset
124 flash_info.start = (void *)CYGNUM_FLASH_BASE;
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST
jlarmour
parents:
diff changeset
125 flash_info.end = (void *)(CYGNUM_FLASH_BASE +
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST
jlarmour
parents:
diff changeset
126 (num_regions*region_size*CYGNUM_FLASH_DEVICES));
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST
jlarmour
parents:
diff changeset
127 return FLASH_ERR_OK;
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST
jlarmour
parents:
diff changeset
128 }
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST
jlarmour
parents:
diff changeset
129 flash_type_unknown:
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST
jlarmour
parents:
diff changeset
130 printf("Can't identify FLASH, sorry, man %x, dev %x, id [%4s] stat %x\n",
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST
jlarmour
parents:
diff changeset
131 qp->manuf_code, qp->device_code, qp->id, stat );
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST
jlarmour
parents:
diff changeset
132 diag_dump_buf(qp, sizeof(data));
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST
jlarmour
parents:
diff changeset
133 return FLASH_ERR_HWR;
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST
jlarmour
parents:
diff changeset
134 }
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST
jlarmour
parents:
diff changeset
135
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST
jlarmour
parents:
diff changeset
136 // Map a hardware status to a package error
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST
jlarmour
parents:
diff changeset
137 int
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST
jlarmour
parents:
diff changeset
138 flash_hwr_map_error(int err)
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST
jlarmour
parents:
diff changeset
139 {
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST
jlarmour
parents:
diff changeset
140 if (err & FLASH_ErrorMask) {
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST
jlarmour
parents:
diff changeset
141 printf("Err = %x\n", err);
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST
jlarmour
parents:
diff changeset
142 if (err & FLASH_ErrorProgram)
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST
jlarmour
parents:
diff changeset
143 return FLASH_ERR_PROGRAM;
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST
jlarmour
parents:
diff changeset
144 else if (err & FLASH_ErrorErase)
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST
jlarmour
parents:
diff changeset
145 return FLASH_ERR_ERASE;
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST
jlarmour
parents:
diff changeset
146 else
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST
jlarmour
parents:
diff changeset
147 return FLASH_ERR_HWR; // FIXME
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST
jlarmour
parents:
diff changeset
148 } else {
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST
jlarmour
parents:
diff changeset
149 return FLASH_ERR_OK;
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST
jlarmour
parents:
diff changeset
150 }
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST
jlarmour
parents:
diff changeset
151 }
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST
jlarmour
parents:
diff changeset
152
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST
jlarmour
parents:
diff changeset
153 // See if a range of FLASH addresses overlaps currently running code
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST
jlarmour
parents:
diff changeset
154 bool
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST
jlarmour
parents:
diff changeset
155 flash_code_overlaps(void *start, void *end)
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST
jlarmour
parents:
diff changeset
156 {
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST
jlarmour
parents:
diff changeset
157 extern char _stext[], _etext[];
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST
jlarmour
parents:
diff changeset
158
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST
jlarmour
parents:
diff changeset
159 return ((((unsigned long)&_stext >= (unsigned long)start) &&
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST
jlarmour
parents:
diff changeset
160 ((unsigned long)&_stext < (unsigned long)end)) ||
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST
jlarmour
parents:
diff changeset
161 (((unsigned long)&_etext >= (unsigned long)start) &&
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST
jlarmour
parents:
diff changeset
162 ((unsigned long)&_etext < (unsigned long)end)));
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST
jlarmour
parents:
diff changeset
163 }
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST
jlarmour
parents:
diff changeset
164
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST
jlarmour
parents:
diff changeset
165 // EOF strata.c