Lines Matching +full:pre +full:- +full:packaged
5 * Copyright (C) 2003-2005 SAN People (Pty) Ltd
33 * Sometimes DataFlash is packaged in MMC-format cards, although the
62 #define OP_MWRITE_BUFFER1 0x88 /* sector must be pre-erased */
63 #define OP_MWRITE_BUFFER2 0x89 /* sector must be pre-erased */
65 /* write to buffer, then write-erase to flash */
73 /* read flash to buffer, then write-erase to flash */
78 * serial number and OTP bits; and per-sector writeprotect.
127 * This usually takes 5-20 msec or so; more for sector erase.
136 dev_dbg(&spi->dev, "status %d?\n", status); in dataflash_waitready()
154 struct dataflash *priv = mtd->priv; in dataflash_erase()
155 struct spi_device *spi = priv->spi; in dataflash_erase()
158 unsigned blocksize = priv->page_size << 3; in dataflash_erase()
162 dev_dbg(&spi->dev, "erase addr=0x%llx len 0x%llx\n", in dataflash_erase()
163 (long long)instr->addr, (long long)instr->len); in dataflash_erase()
165 div_u64_rem(instr->len, priv->page_size, &rem); in dataflash_erase()
167 return -EINVAL; in dataflash_erase()
168 div_u64_rem(instr->addr, priv->page_size, &rem); in dataflash_erase()
170 return -EINVAL; in dataflash_erase()
174 x.tx_buf = command = priv->command; in dataflash_erase()
178 mutex_lock(&priv->lock); in dataflash_erase()
179 while (instr->len > 0) { in dataflash_erase()
187 pageaddr = div_u64(instr->addr, priv->page_size); in dataflash_erase()
188 do_block = (pageaddr & 0x7) == 0 && instr->len >= blocksize; in dataflash_erase()
189 pageaddr = pageaddr << priv->page_offset; in dataflash_erase()
196 dev_dbg(&spi->dev, "ERASE %s: (%x) %x %x %x [%i]\n", in dataflash_erase()
205 dev_err(&spi->dev, "erase %x, err %d\n", in dataflash_erase()
207 /* REVISIT: can retry instr->retries times; or in dataflash_erase()
208 * giveup and instr->fail_addr = instr->addr; in dataflash_erase()
214 instr->addr += blocksize; in dataflash_erase()
215 instr->len -= blocksize; in dataflash_erase()
217 instr->addr += priv->page_size; in dataflash_erase()
218 instr->len -= priv->page_size; in dataflash_erase()
221 mutex_unlock(&priv->lock); in dataflash_erase()
236 struct dataflash *priv = mtd->priv; in dataflash_read()
243 dev_dbg(&priv->spi->dev, "read 0x%x..0x%x\n", in dataflash_read()
247 addr = (((unsigned)from / priv->page_size) << priv->page_offset) in dataflash_read()
248 + ((unsigned)from % priv->page_size); in dataflash_read()
250 command = priv->command; in dataflash_read()
252 dev_dbg(&priv->spi->dev, "READ: (%x) %x %x %x\n", in dataflash_read()
265 mutex_lock(&priv->lock); in dataflash_read()
277 status = spi_sync(priv->spi, &msg); in dataflash_read()
278 mutex_unlock(&priv->lock); in dataflash_read()
281 *retlen = msg.actual_length - 8; in dataflash_read()
284 dev_dbg(&priv->spi->dev, "read %x..%x --> %d\n", in dataflash_read()
300 struct dataflash *priv = mtd->priv; in dataflash_write()
301 struct spi_device *spi = priv->spi; in dataflash_write()
307 int status = -EINVAL; in dataflash_write()
310 dev_dbg(&spi->dev, "write 0x%x..0x%x\n", in dataflash_write()
315 x[0].tx_buf = command = priv->command; in dataflash_write()
319 pageaddr = ((unsigned)to / priv->page_size); in dataflash_write()
320 offset = ((unsigned)to % priv->page_size); in dataflash_write()
321 if (offset + len > priv->page_size) in dataflash_write()
322 writelen = priv->page_size - offset; in dataflash_write()
326 mutex_lock(&priv->lock); in dataflash_write()
328 dev_dbg(&spi->dev, "write @ %i:%i len=%i\n", in dataflash_write()
340 * Two persistent bits per page, plus a per-sector counter, in dataflash_write()
344 * support boot-from-DataFlash.) in dataflash_write()
347 addr = pageaddr << priv->page_offset; in dataflash_write()
350 if (writelen != priv->page_size) { in dataflash_write()
356 dev_dbg(&spi->dev, "TRANSFER: (%x) %x %x %x\n", in dataflash_write()
361 dev_dbg(&spi->dev, "xfer %u -> %d\n", in dataflash_write()
364 (void) dataflash_waitready(priv->spi); in dataflash_write()
374 dev_dbg(&spi->dev, "PROGRAM: (%x) %x %x %x\n", in dataflash_write()
383 dev_dbg(&spi->dev, "pgm %u/%u -> %d\n", in dataflash_write()
386 (void) dataflash_waitready(priv->spi); in dataflash_write()
392 addr = pageaddr << priv->page_offset; in dataflash_write()
398 dev_dbg(&spi->dev, "COMPARE: (%x) %x %x %x\n", in dataflash_write()
403 dev_dbg(&spi->dev, "compare %u -> %d\n", in dataflash_write()
406 status = dataflash_waitready(priv->spi); in dataflash_write()
410 dev_err(&spi->dev, "compare page %u, err %d\n", in dataflash_write()
413 status = -EIO; in dataflash_write()
420 remaining = remaining - writelen; in dataflash_write()
426 if (remaining > priv->page_size) in dataflash_write()
427 writelen = priv->page_size; in dataflash_write()
431 mutex_unlock(&priv->lock); in dataflash_write()
444 * Unless the user block changed from all-ones, we can't in dataflash_get_otp_info()
447 info->start = 0; in dataflash_get_otp_info()
448 info->length = 64; in dataflash_get_otp_info()
449 info->locked = 1; in dataflash_get_otp_info()
464 return -EINVAL; in otp_read()
467 len = 64 - off; in otp_read()
474 return -ENOMEM; in otp_read()
476 /* OUT: OP_READ_SECURITY, 3 don't-care bytes, zeroes in otp_read()
502 struct dataflash *priv = mtd->priv; in dataflash_read_fact_otp()
505 /* 64 bytes, from 0..63 ... start at 64 on-chip */ in dataflash_read_fact_otp()
506 mutex_lock(&priv->lock); in dataflash_read_fact_otp()
507 status = otp_read(priv->spi, 64, buf, from, len); in dataflash_read_fact_otp()
508 mutex_unlock(&priv->lock); in dataflash_read_fact_otp()
519 struct dataflash *priv = mtd->priv; in dataflash_read_user_otp()
522 /* 64 bytes, from 0..63 ... start at 0 on-chip */ in dataflash_read_user_otp()
523 mutex_lock(&priv->lock); in dataflash_read_user_otp()
524 status = otp_read(priv->spi, 0, buf, from, len); in dataflash_read_user_otp()
525 mutex_unlock(&priv->lock); in dataflash_read_user_otp()
540 struct dataflash *priv = mtd->priv; in dataflash_write_user_otp()
554 len = 64 - from; in dataflash_write_user_otp()
556 /* OUT: OP_WRITE_SECURITY, 3 zeroes, 64 data-or-zero bytes in dataflash_write_user_otp()
561 return -ENOMEM; in dataflash_write_user_otp()
575 mutex_lock(&priv->lock); in dataflash_write_user_otp()
576 dataflash_waitready(priv->spi); in dataflash_write_user_otp()
577 status = spi_sync(priv->spi, &m); in dataflash_write_user_otp()
578 mutex_unlock(&priv->lock); in dataflash_write_user_otp()
591 device->_get_fact_prot_info = dataflash_get_otp_info; in otp_setup()
592 device->_read_fact_prot_reg = dataflash_read_fact_otp; in otp_setup()
593 device->_get_user_prot_info = dataflash_get_otp_info; in otp_setup()
594 device->_read_user_prot_reg = dataflash_read_user_otp; in otp_setup()
600 device->_write_user_prot_reg = dataflash_write_user_otp; in otp_setup()
624 struct flash_platform_data *pdata = dev_get_platdata(&spi->dev); in add_dataflash_otp()
630 return -ENOMEM; in add_dataflash_otp()
632 mutex_init(&priv->lock); in add_dataflash_otp()
633 priv->spi = spi; in add_dataflash_otp()
634 priv->page_size = pagesize; in add_dataflash_otp()
635 priv->page_offset = pageoffset; in add_dataflash_otp()
638 sprintf(priv->name, "spi%d.%d-%s", in add_dataflash_otp()
639 spi->master->bus_num, spi->chip_select, in add_dataflash_otp()
642 device = &priv->mtd; in add_dataflash_otp()
643 device->name = (pdata && pdata->name) ? pdata->name : priv->name; in add_dataflash_otp()
644 device->size = nr_pages * pagesize; in add_dataflash_otp()
645 device->erasesize = pagesize; in add_dataflash_otp()
646 device->writesize = pagesize; in add_dataflash_otp()
647 device->type = MTD_DATAFLASH; in add_dataflash_otp()
648 device->flags = MTD_WRITEABLE; in add_dataflash_otp()
649 device->_erase = dataflash_erase; in add_dataflash_otp()
650 device->_read = dataflash_read; in add_dataflash_otp()
651 device->_write = dataflash_write; in add_dataflash_otp()
652 device->priv = priv; in add_dataflash_otp()
654 device->dev.parent = &spi->dev; in add_dataflash_otp()
655 mtd_set_of_node(device, spi->dev.of_node); in add_dataflash_otp()
660 dev_info(&spi->dev, "%s (%lld KBytes) pagesize %d bytes%s\n", in add_dataflash_otp()
661 name, (long long)((device->size + 1023) >> 10), in add_dataflash_otp()
666 pdata ? pdata->parts : NULL, in add_dataflash_otp()
667 pdata ? pdata->nr_parts : 0); in add_dataflash_otp()
707 * non-2^N byte page size can't name exact chip revisions without
710 * These newer chips also support 128-byte security registers (with
711 * 64 bytes one-time-programmable) and software write-protection.
749 if (use_extid && !(info->flags & SUP_EXTID)) in jedec_lookup()
752 if (info->jedec_id == jedec) { in jedec_lookup()
753 dev_dbg(&spi->dev, "OTP, sector protect%s\n", in jedec_lookup()
754 (info->flags & SUP_POW2PS) ? in jedec_lookup()
756 if (info->flags & SUP_POW2PS) { in jedec_lookup()
759 dev_dbg(&spi->dev, "status error %d\n", in jedec_lookup()
764 if (info->flags & IS_POW2PS) in jedec_lookup()
767 if (!(info->flags & IS_POW2PS)) in jedec_lookup()
775 return ERR_PTR(-ENODEV); in jedec_lookup()
789 * string for after vendor-specific data, after the three bytes in jedec_probe()
798 dev_dbg(&spi->dev, "error %d reading JEDEC ID\n", ret); in jedec_probe()
826 dev_warn(&spi->dev, "JEDEC id %016llx not handled\n", jedec); in jedec_probe()
827 return ERR_PTR(-ENODEV); in jedec_probe()
860 return add_dataflash_otp(spi, info->name, info->nr_pages, in dataflash_probe()
861 info->pagesize, info->pageoffset, in dataflash_probe()
862 (info->flags & SUP_POW2PS) ? 'd' : 'c'); in dataflash_probe()
870 dev_dbg(&spi->dev, "status error %d\n", status); in dataflash_probe()
872 status = -ENODEV; in dataflash_probe()
877 * board setup should have set spi->max_speed_max to in dataflash_probe()
905 dev_info(&spi->dev, "unsupported device (%x)\n", in dataflash_probe()
907 status = -ENODEV; in dataflash_probe()
911 dev_dbg(&spi->dev, "add_dataflash --> %d\n", status); in dataflash_probe()
921 dev_dbg(&spi->dev, "remove\n"); in dataflash_remove()
923 status = mtd_device_unregister(&flash->mtd); in dataflash_remove()