mtd/chips/cfi_util.c

23 #include <linux/mtd/cfi.h>
40 				struct map_info *map, struct cfi_private *cfi)
43 	unsigned interleave = cfi_interleave(cfi);
44 	unsigned type = cfi->device_type;
66 map_word cfi_build_cmd(u_long cmd, struct map_info *map, struct cfi_private *cfi)
85 	chip_mode = map_bankwidth(map) / cfi_interleave(cfi);
86 	chips_per_word = wordwidth * cfi_interleave(cfi) / map_bankwidth(map);
133 					   struct cfi_private *cfi)
151 	chip_mode = map_bankwidth(map) / cfi_interleave(cfi);
152 	chips_per_word = wordwidth * cfi_interleave(cfi) / map_bankwidth(map);
203 				struct map_info *map, struct cfi_private *cfi,
207 	uint32_t addr = base + cfi_build_cmd_addr(cmd_addr, map, cfi);
208 	val = cfi_build_cmd(cmd, map, cfi);
220 			     struct cfi_private *cfi)
222 	int osf = cfi->interleave * cfi->device_type;	/* scale factor */
226 	qry[0] = cfi_build_cmd('Q', map, cfi);
227 	qry[1] = cfi_build_cmd('R', map, cfi);
228 	qry[2] = cfi_build_cmd('Y', map, cfi);
248 			     struct cfi_private *cfi)
250 	cfi_send_gen_cmd(0xF0, 0, base, map, cfi, cfi->device_type, NULL);
251 	cfi_send_gen_cmd(0x98, 0x55, base, map, cfi, cfi->device_type, NULL);
252 	if (cfi_qry_present(map, base, cfi))
256 	cfi_send_gen_cmd(0xF0, 0, base, map, cfi, cfi->device_type, NULL);
257 	cfi_send_gen_cmd(0xFF, 0, base, map, cfi, cfi->device_type, NULL);
258 	cfi_send_gen_cmd(0x98, 0x55, base, map, cfi, cfi->device_type, NULL);
259 	if (cfi_qry_present(map, base, cfi))
262 	cfi_send_gen_cmd(0xF0, 0, base, map, cfi, cfi->device_type, NULL);
263 	cfi_send_gen_cmd(0x98, 0x555, base, map, cfi, cfi->device_type, NULL);
264 	if (cfi_qry_present(map, base, cfi))
267 	cfi_send_gen_cmd(0xF0, 0, base, map, cfi, cfi->device_type, NULL);
268 	cfi_send_gen_cmd(0xAA, 0x5555, base, map, cfi, cfi->device_type, NULL);
269 	cfi_send_gen_cmd(0x55, 0x2AAA, base, map, cfi, cfi->device_type, NULL);
270 	cfi_send_gen_cmd(0x98, 0x5555, base, map, cfi, cfi->device_type, NULL);
271 	if (cfi_qry_present(map, base, cfi))
274 	cfi_send_gen_cmd(0xF0, 0, base, map, cfi, cfi->device_type, NULL);
275 	cfi_send_gen_cmd(0xAA, 0x555, base, map, cfi, cfi->device_type, NULL);
276 	cfi_send_gen_cmd(0x55, 0x2AA, base, map, cfi, cfi->device_type, NULL);
277 	cfi_send_gen_cmd(0x98, 0x555, base, map, cfi, cfi->device_type, NULL);
278 	if (cfi_qry_present(map, base, cfi))
286 			       struct cfi_private *cfi)
288 	cfi_send_gen_cmd(0xF0, 0, base, map, cfi, cfi->device_type, NULL);
289 	cfi_send_gen_cmd(0xFF, 0, base, map, cfi, cfi->device_type, NULL);
292 	if ((cfi->mfr == CFI_MFR_ST) && (cfi->id == 0x227E || cfi->id == 0x7E))
293 		cfi_send_gen_cmd(0xF0, 0, base, map, cfi, cfi->device_type, NULL);
300 	struct cfi_private *cfi = map->fldrv_priv;
301 	__u32 base = 0; // cfi->chips[0].start;
302 	int ofs_factor = cfi->interleave * cfi->device_type;
320 	cfi_qry_mode_on(base, map, cfi);
328 	cfi_qry_mode_off(base, map, cfi);
344 	struct cfi_private *cfi = map->fldrv_priv;
348 		if (((f->mfr == CFI_MFR_ANY) || (f->mfr == cfi->mfr)) &&
349 		    ((f->id  == CFI_ID_ANY)  || (f->id  == cfi->id))) {
361 	struct cfi_private *cfi = map->fldrv_priv;
410 	chipnum = ofs >> cfi->chipshift;
411 	adr = ofs - (chipnum << cfi->chipshift);
418 		ret = (*frob)(map, &cfi->chips[chipnum], adr, size, thunk);
430 		if (adr >> cfi->chipshift) {
434 			if (chipnum >= cfi->numchips)