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comparison packages/io/flash/current/src/flash.c @ 117:bd1a71e3e476 ecos-sw-2000-08-25

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Merge from eCos master repository on 2000-08-25-19:22:58-BST
author jlarmour
date Fri, 25 Aug 2000 19:17:22 +0000
parents 6ed91473a1cd
children 77cec8369160
comparison
equal deleted inserted replaced
116:a0f9581a3a09 117:bd1a71e3e476
55 { 55 {
56 int err; 56 int err;
57 57
58 if (flash_info.init) return FLASH_ERR_OK; 58 if (flash_info.init) return FLASH_ERR_OK;
59 flash_info.work_space = work_space; 59 flash_info.work_space = work_space;
60 flash_info.work_space_size = flash_info.work_space_size; 60 flash_info.work_space_size = work_space_size;
61 if ((err = flash_hwr_init()) != FLASH_ERR_OK) { 61 if ((err = flash_hwr_init()) != FLASH_ERR_OK) {
62 return err; 62 return err;
63 } 63 }
64 flash_info.block_mask = ~(flash_info.block_size-1); 64 flash_info.block_mask = ~(flash_info.block_size-1);
65 flash_info.init = 1; 65 flash_info.init = 1;
119 // Copy 'erase' code to RAM for execution 119 // Copy 'erase' code to RAM for execution
120 code_len = (unsigned long)&flash_erase_block_end - (unsigned long)&flash_erase_block; 120 code_len = (unsigned long)&flash_erase_block_end - (unsigned long)&flash_erase_block;
121 _flash_erase_block = (code_fun *)flash_info.work_space; 121 _flash_erase_block = (code_fun *)flash_info.work_space;
122 memcpy(_flash_erase_block, &flash_erase_block, code_len); 122 memcpy(_flash_erase_block, &flash_erase_block, code_len);
123 HAL_DCACHE_SYNC(); // Should guarantee this code will run 123 HAL_DCACHE_SYNC(); // Should guarantee this code will run
124 HAL_ICACHE_DISABLE(); // is also required to avoid old contents
124 125
125 block = (unsigned short *)((unsigned long)addr & flash_info.block_mask); 126 block = (unsigned short *)((unsigned long)addr & flash_info.block_mask);
126 end_addr = (unsigned short *)((unsigned long)addr+len); 127 end_addr = (unsigned short *)((unsigned long)addr+len);
127 128
128 printf("... Erase from %p-%p: ", block, end_addr); 129 printf("... Erase from %p-%p: ", block, end_addr);
135 break; 136 break;
136 } 137 }
137 block += flash_info.block_size / sizeof(*block); 138 block += flash_info.block_size / sizeof(*block);
138 printf("."); 139 printf(".");
139 } 140 }
141 HAL_ICACHE_ENABLE();
140 printf("\n"); 142 printf("\n");
141 return (stat); 143 return (stat);
142 } 144 }
143 145
144 int 146 int
159 // Copy 'program' code to RAM for execution 161 // Copy 'program' code to RAM for execution
160 code_len = (unsigned long)&flash_program_buf_end - (unsigned long)&flash_program_buf; 162 code_len = (unsigned long)&flash_program_buf_end - (unsigned long)&flash_program_buf;
161 _flash_program_buf = (code_fun *)flash_info.work_space; 163 _flash_program_buf = (code_fun *)flash_info.work_space;
162 memcpy(_flash_program_buf, &flash_program_buf, code_len); 164 memcpy(_flash_program_buf, &flash_program_buf, code_len);
163 HAL_DCACHE_SYNC(); // Should guarantee this code will run 165 HAL_DCACHE_SYNC(); // Should guarantee this code will run
166 HAL_ICACHE_DISABLE(); // is also required to avoid old contents
164 167
165 printf("... Program from %p-%p at %p: ", data, ((unsigned long)data)+len, addr); 168 printf("... Program from %p-%p at %p: ", data, ((unsigned long)data)+len, addr);
166 169
167 while (len > 0) { 170 while (len > 0) {
168 size = len; 171 size = len;
176 printf("."); 179 printf(".");
177 len -= size; 180 len -= size;
178 addr += size/sizeof(*addr); 181 addr += size/sizeof(*addr);
179 data += size/sizeof(*data); 182 data += size/sizeof(*data);
180 } 183 }
184 HAL_ICACHE_ENABLE();
181 printf("\n"); 185 printf("\n");
182 return (stat); 186 return (stat);
183 } 187 }
184 188
185 char * 189 char *