13 #include <linux/mtd/mtd.h>
14 #include <linux/mtd/concat.h>
15 #include <mtd/cfi_flash.h>
23 static int cfi_mtd_erase(struct mtd_info *mtd, struct erase_info *instr)  in cfi_mtd_erase()  argument
25 	flash_info_t *fi = mtd->priv;  in cfi_mtd_erase()
67 static int cfi_mtd_read(struct mtd_info *mtd, loff_t from, size_t len,  in cfi_mtd_read()  argument
70 	flash_info_t *fi = mtd->priv;  in cfi_mtd_read()
79 static int cfi_mtd_write(struct mtd_info *mtd, loff_t to, size_t len,  in cfi_mtd_write()  argument
82 	flash_info_t *fi = mtd->priv;  in cfi_mtd_write()
98 static void cfi_mtd_sync(struct mtd_info *mtd)  in cfi_mtd_sync()  argument
107 static int cfi_mtd_lock(struct mtd_info *mtd, loff_t ofs, uint64_t len)  in cfi_mtd_lock()  argument
109 	flash_info_t *fi = mtd->priv;  in cfi_mtd_lock()
119 static int cfi_mtd_unlock(struct mtd_info *mtd, loff_t ofs, uint64_t len)  in cfi_mtd_unlock()  argument
121 	flash_info_t *fi = mtd->priv;  in cfi_mtd_unlock()
131 static int cfi_mtd_set_erasesize(struct mtd_info *mtd, flash_info_t *fi)  in cfi_mtd_set_erasesize()  argument
155 		mtd->numeraseregions = 0;  in cfi_mtd_set_erasesize()
156 		mtd->erasesize = sect_size_old;  in cfi_mtd_set_erasesize()
160 	mtd->numeraseregions = regions;  in cfi_mtd_set_erasesize()
161 	mtd->eraseregions = malloc(sizeof(struct mtd_erase_region_info) * regions);  in cfi_mtd_set_erasesize()
171 			mtd->eraseregions[regions].offset = offset - base_addr;  in cfi_mtd_set_erasesize()
172 			mtd->eraseregions[regions].erasesize = sect_size_old;  in cfi_mtd_set_erasesize()
173 			mtd->eraseregions[regions].numblocks = numblocks;  in cfi_mtd_set_erasesize()
193 	mtd->eraseregions[regions].offset = offset - base_addr;  in cfi_mtd_set_erasesize()
194 	mtd->eraseregions[regions].erasesize = sect_size_old;  in cfi_mtd_set_erasesize()
195 	mtd->eraseregions[regions].numblocks = numblocks;  in cfi_mtd_set_erasesize()
197 	mtd->erasesize = sect_size;  in cfi_mtd_set_erasesize()
204 	struct mtd_info *mtd;  in cfi_mtd_init()  local
214 		mtd = &cfi_mtd_info[i];  in cfi_mtd_init()
216 		memset(mtd, 0, sizeof(struct mtd_info));  in cfi_mtd_init()
218 		error = cfi_mtd_set_erasesize(mtd, fi);  in cfi_mtd_init()
223 		mtd->name		= cfi_mtd_names[i];  in cfi_mtd_init()
224 		mtd->type		= MTD_NORFLASH;  in cfi_mtd_init()
225 		mtd->flags		= MTD_CAP_NORFLASH;  in cfi_mtd_init()
226 		mtd->size		= fi->size;  in cfi_mtd_init()
227 		mtd->writesize		= 1;  in cfi_mtd_init()
228 		mtd->writebufsize	= mtd->writesize;  in cfi_mtd_init()
230 		mtd->_erase		= cfi_mtd_erase;  in cfi_mtd_init()
231 		mtd->_read		= cfi_mtd_read;  in cfi_mtd_init()
232 		mtd->_write		= cfi_mtd_write;  in cfi_mtd_init()
233 		mtd->_sync		= cfi_mtd_sync;  in cfi_mtd_init()
234 		mtd->_lock		= cfi_mtd_lock;  in cfi_mtd_init()
235 		mtd->_unlock		= cfi_mtd_unlock;  in cfi_mtd_init()
236 		mtd->priv		= fi;  in cfi_mtd_init()
238 		if (add_mtd_device(mtd))  in cfi_mtd_init()
242 		mtd_list[devices_found++] = mtd;  in cfi_mtd_init()
252 		mtd = mtd_concat_create(mtd_list, devices_found, c_mtd_name);  in cfi_mtd_init()
254 		if (mtd == NULL)  in cfi_mtd_init()
257 		if (add_mtd_device(mtd))  in cfi_mtd_init()