Lines Matching +full:nand +full:- +full:ecc +full:- +full:placement
1 // SPDX-License-Identifier: GPL-2.0-only
3 * Copyright © 2005-2009 Samsung Electronics
9 * Adrian Hunter <ext-adrian.hunter@nokia.com>:
10 * auto-placement support, read-while load support, various fixes
13 * Flex-OneNAND support
39 /* Default Flex-OneNAND boundary and lock respectively */
40 static int flex_bdry[MAX_DIES * 2] = { -1, 0, -1, 0 };
43 MODULE_PARM_DESC(flex_bdry, "SLC Boundary information for Flex-OneNAND"
47 " : 0->Set boundary in unlocked status"
48 " : 1->Set boundary in locked status");
50 /* Default OneNAND/Flex-OneNAND OTP options*/
57 " : 0 -> Default (No Blocks Locked)"
58 " : 1 -> OTP Block lock"
59 " : 2 -> 1st Block lock"
60 " : 3 -> BOTH OTP Block and 1st Block lock");
63 * flexonenand_oob_128 - oob info for Flex-Onenand with 4KB page
64 * For now, we expose only 64 out of 80 ecc bytes
70 return -ERANGE; in flexonenand_ooblayout_ecc()
72 oobregion->offset = (section * 16) + 6; in flexonenand_ooblayout_ecc()
73 oobregion->length = 10; in flexonenand_ooblayout_ecc()
82 return -ERANGE; in flexonenand_ooblayout_free()
84 oobregion->offset = (section * 16) + 2; in flexonenand_ooblayout_free()
85 oobregion->length = 4; in flexonenand_ooblayout_free()
91 .ecc = flexonenand_ooblayout_ecc,
96 * onenand_oob_128 - oob info for OneNAND with 4KB page
99 * 4Gb M-die OneNAND Flash (KFM4G16Q4M, KFN8G16Q4M). Rev. 1.3, Apr. 2010
106 return -ERANGE; in onenand_ooblayout_128_ecc()
108 oobregion->offset = (section * 16) + 7; in onenand_ooblayout_128_ecc()
109 oobregion->length = 9; in onenand_ooblayout_128_ecc()
118 return -ERANGE; in onenand_ooblayout_128_free()
122 * "Managed by internal ECC logic for Logical Sector Number area" in onenand_ooblayout_128_free()
124 oobregion->offset = (section * 16) + 2; in onenand_ooblayout_128_free()
125 oobregion->length = 3; in onenand_ooblayout_128_free()
131 .ecc = onenand_ooblayout_128_ecc,
136 * onenand_oob_32_64 - oob info for large (2KB) page
142 return -ERANGE; in onenand_ooblayout_32_64_ecc()
144 oobregion->offset = (section * 16) + 8; in onenand_ooblayout_32_64_ecc()
145 oobregion->length = 5; in onenand_ooblayout_32_64_ecc()
153 int sections = (mtd->oobsize / 32) * 2; in onenand_ooblayout_32_64_free()
156 return -ERANGE; in onenand_ooblayout_32_64_free()
159 oobregion->offset = ((section - 1) * 16) + 14; in onenand_ooblayout_32_64_free()
160 oobregion->length = 2; in onenand_ooblayout_32_64_free()
162 oobregion->offset = (section * 16) + 2; in onenand_ooblayout_32_64_free()
163 oobregion->length = 3; in onenand_ooblayout_32_64_free()
170 .ecc = onenand_ooblayout_32_64_ecc,
194 * onenand_readw - [OneNAND Interface] Read OneNAND register
205 * onenand_writew - [OneNAND Interface] Write OneNAND register with value
217 * onenand_block_address - [DEFAULT] Get block address
226 /* Device Flash Core select, NAND Flash Block Address */ in onenand_block_address()
227 if (block & this->density_mask) in onenand_block_address()
228 return ONENAND_DDP_CHIP1 | (block ^ this->density_mask); in onenand_block_address()
234 * onenand_bufferram_address - [DEFAULT] Get bufferram address
244 if (block & this->density_mask) in onenand_bufferram_address()
251 * onenand_page_address - [DEFAULT] Get page address
270 * onenand_buffer_address - [DEFAULT] Get buffer address
297 * flexonenand_block- For given address return block number
298 * @param this - OneNAND device structure
299 * @param addr - Address for which block number is needed
305 if (ONENAND_IS_DDP(this) && addr >= this->diesize[0]) { in flexonenand_block()
307 addr -= this->diesize[0]; in flexonenand_block()
310 boundary = this->boundary[die]; in flexonenand_block()
312 blk = addr >> (this->erase_shift - 1); in flexonenand_block()
316 blk += die ? this->density_mask : 0; in flexonenand_block()
323 return addr >> this->erase_shift; in onenand_block()
328 * flexonenand_addr - Return address of the block
330 * @block: Block number on Flex-OneNAND
339 if (ONENAND_IS_DDP(this) && block >= this->density_mask) { in flexonenand_addr()
340 block -= this->density_mask; in flexonenand_addr()
342 ofs = this->diesize[0]; in flexonenand_addr()
345 boundary = this->boundary[die]; in flexonenand_addr()
346 ofs += (loff_t)block << (this->erase_shift - 1); in flexonenand_addr()
348 ofs += (loff_t)(block - boundary - 1) << (this->erase_shift - 1); in flexonenand_addr()
355 return (loff_t)block << this->erase_shift; in onenand_addr()
361 * onenand_get_density - [DEFAULT] Get OneNAND density
373 * flexonenand_region - [Flex-OneNAND] Return erase region of addr
381 for (i = 0; i < mtd->numeraseregions; i++) in flexonenand_region()
382 if (addr < mtd->eraseregions[i].offset) in flexonenand_region()
384 return i - 1; in flexonenand_region()
389 * onenand_command - [DEFAULT] Send command to OneNAND device
400 struct onenand_chip *this = mtd->priv; in onenand_command()
409 block = -1; in onenand_command()
410 page = -1; in onenand_command()
415 block = addr * this->density_mask; in onenand_command()
416 page = -1; in onenand_command()
425 page = -1; in onenand_command()
430 block = addr * this->density_mask; in onenand_command()
437 page = (int) (addr - onenand_addr(this, block))>>\ in onenand_command()
438 this->page_shift; in onenand_command()
440 page = (int) (addr >> this->page_shift); in onenand_command()
445 if (addr & this->writesize) in onenand_command()
449 page &= this->page_mask; in onenand_command()
457 this->write_word(value, this->base + ONENAND_REG_START_ADDRESS2); in onenand_command()
469 if (block != -1) { in onenand_command()
472 this->write_word(value, this->base + ONENAND_REG_START_ADDRESS1); in onenand_command()
476 this->write_word(value, this->base + ONENAND_REG_START_ADDRESS2); in onenand_command()
479 if (page != -1) { in onenand_command()
504 this->write_word(value, this->base + ONENAND_REG_START_ADDRESS8); in onenand_command()
508 this->write_word(value, this->base + ONENAND_REG_START_BUFFER); in onenand_command()
512 this->write_word(ONENAND_INT_CLEAR, this->base + ONENAND_REG_INTERRUPT); in onenand_command()
515 this->write_word(cmd, this->base + ONENAND_REG_COMMAND); in onenand_command()
521 * onenand_read_ecc - return ecc status
526 int ecc, i, result = 0; in onenand_read_ecc() local
529 return this->read_word(this->base + ONENAND_REG_ECC_STATUS); in onenand_read_ecc()
532 ecc = this->read_word(this->base + ONENAND_REG_ECC_STATUS + i*2); in onenand_read_ecc()
533 if (likely(!ecc)) in onenand_read_ecc()
535 if (ecc & FLEXONENAND_UNCORRECTABLE_ERROR) in onenand_read_ecc()
545 * onenand_wait - [DEFAULT] wait until the command is done
555 struct onenand_chip * this = mtd->priv; in onenand_wait()
564 interrupt = this->read_word(this->base + ONENAND_REG_INTERRUPT); in onenand_wait()
573 interrupt = this->read_word(this->base + ONENAND_REG_INTERRUPT); in onenand_wait()
575 ctrl = this->read_word(this->base + ONENAND_REG_CTRL_STATUS); in onenand_wait()
580 * power off recovery (POR) test, it should read ECC status first in onenand_wait()
583 int ecc = onenand_read_ecc(this); in onenand_wait() local
584 if (ecc) { in onenand_wait()
585 if (ecc & ONENAND_ECC_2BIT_ALL) { in onenand_wait()
586 printk(KERN_ERR "%s: ECC error = 0x%04x\n", in onenand_wait()
587 __func__, ecc); in onenand_wait()
588 mtd->ecc_stats.failed++; in onenand_wait()
589 return -EBADMSG; in onenand_wait()
590 } else if (ecc & ONENAND_ECC_1BIT_ALL) { in onenand_wait()
591 printk(KERN_DEBUG "%s: correctable ECC error = 0x%04x\n", in onenand_wait()
592 __func__, ecc); in onenand_wait()
593 mtd->ecc_stats.corrected++; in onenand_wait()
599 return -EIO; in onenand_wait()
605 return -EIO; in onenand_wait()
611 return -EIO; in onenand_wait()
620 return -EIO; in onenand_wait()
627 * onenand_interrupt - [DEFAULT] onenand interrupt handler
638 if (!this->complete.done) in onenand_interrupt()
639 complete(&this->complete); in onenand_interrupt()
645 * onenand_interrupt_wait - [DEFAULT] wait until the command is done
653 struct onenand_chip *this = mtd->priv; in onenand_interrupt_wait()
655 wait_for_completion(&this->complete); in onenand_interrupt_wait()
661 * onenand_try_interrupt_wait - [DEFAULT] try interrupt wait
665 * Try interrupt based wait (It is used one-time)
669 struct onenand_chip *this = mtd->priv; in onenand_try_interrupt_wait()
673 this->wait = onenand_interrupt_wait; in onenand_try_interrupt_wait()
676 remain = wait_for_completion_timeout(&this->complete, timeout); in onenand_try_interrupt_wait()
682 free_irq(this->irq, this); in onenand_try_interrupt_wait()
684 this->wait = onenand_wait; in onenand_try_interrupt_wait()
691 * onenand_setup_wait - [OneNAND Interface] setup onenand wait method
695 * 1. polling - read interrupt status register
696 * 2. interrupt - use the kernel interrupt method
700 struct onenand_chip *this = mtd->priv; in onenand_setup_wait()
703 init_completion(&this->complete); in onenand_setup_wait()
705 if (this->irq <= 0) { in onenand_setup_wait()
706 this->wait = onenand_wait; in onenand_setup_wait()
710 if (request_irq(this->irq, &onenand_interrupt, in onenand_setup_wait()
713 this->wait = onenand_wait; in onenand_setup_wait()
718 syscfg = this->read_word(this->base + ONENAND_REG_SYS_CFG1); in onenand_setup_wait()
720 this->write_word(syscfg, this->base + ONENAND_REG_SYS_CFG1); in onenand_setup_wait()
722 this->wait = onenand_try_interrupt_wait; in onenand_setup_wait()
726 * onenand_bufferram_offset - [DEFAULT] BufferRAM offset
735 struct onenand_chip *this = mtd->priv; in onenand_bufferram_offset()
738 /* Note: the 'this->writesize' is a real page size */ in onenand_bufferram_offset()
740 return this->writesize; in onenand_bufferram_offset()
742 return mtd->oobsize; in onenand_bufferram_offset()
749 * onenand_read_bufferram - [OneNAND Interface] Read the bufferram area
761 struct onenand_chip *this = mtd->priv; in onenand_read_bufferram()
764 bufferram = this->base + area; in onenand_read_bufferram()
771 /* Align with word(16-bit) size */ in onenand_read_bufferram()
772 count--; in onenand_read_bufferram()
775 word = this->read_word(bufferram + offset + count); in onenand_read_bufferram()
785 * onenand_sync_read_bufferram - [OneNAND Interface] Read the bufferram area with Sync. Burst mode
797 struct onenand_chip *this = mtd->priv; in onenand_sync_read_bufferram()
800 bufferram = this->base + area; in onenand_sync_read_bufferram()
804 this->mmcontrol(mtd, ONENAND_SYS_CFG1_SYNC_READ); in onenand_sync_read_bufferram()
809 /* Align with word(16-bit) size */ in onenand_sync_read_bufferram()
810 count--; in onenand_sync_read_bufferram()
813 word = this->read_word(bufferram + offset + count); in onenand_sync_read_bufferram()
819 this->mmcontrol(mtd, 0); in onenand_sync_read_bufferram()
825 * onenand_write_bufferram - [OneNAND Interface] Write the bufferram area
837 struct onenand_chip *this = mtd->priv; in onenand_write_bufferram()
840 bufferram = this->base + area; in onenand_write_bufferram()
848 /* Align with word(16-bit) size */ in onenand_write_bufferram()
849 count--; in onenand_write_bufferram()
855 word = this->read_word(bufferram + byte_offset); in onenand_write_bufferram()
857 this->write_word(word, bufferram + byte_offset); in onenand_write_bufferram()
866 * onenand_get_2x_blockpage - [GENERIC] Get blockpage at 2x program mode
875 struct onenand_chip *this = mtd->priv; in onenand_get_2x_blockpage()
879 block = (int) (addr >> this->erase_shift) & ~1; in onenand_get_2x_blockpage()
881 if (addr & this->writesize) in onenand_get_2x_blockpage()
883 page = (int) (addr >> (this->page_shift + 1)) & this->page_mask; in onenand_get_2x_blockpage()
890 * onenand_check_bufferram - [GENERIC] Check BufferRAM information
899 struct onenand_chip *this = mtd->priv; in onenand_check_bufferram()
906 blockpage = (int) (addr >> this->page_shift); in onenand_check_bufferram()
910 if (this->bufferram[i].blockpage == blockpage) in onenand_check_bufferram()
915 if (this->bufferram[i].blockpage == blockpage) { in onenand_check_bufferram()
925 this->write_word(value, this->base + ONENAND_REG_START_ADDRESS2); in onenand_check_bufferram()
932 * onenand_update_bufferram - [GENERIC] Update BufferRAM information
942 struct onenand_chip *this = mtd->priv; in onenand_update_bufferram()
949 blockpage = (int) (addr >> this->page_shift); in onenand_update_bufferram()
953 if (this->bufferram[i].blockpage == blockpage) in onenand_update_bufferram()
954 this->bufferram[i].blockpage = -1; in onenand_update_bufferram()
959 this->bufferram[i].blockpage = blockpage; in onenand_update_bufferram()
961 this->bufferram[i].blockpage = -1; in onenand_update_bufferram()
965 * onenand_invalidate_bufferram - [GENERIC] Invalidate BufferRAM information
975 struct onenand_chip *this = mtd->priv; in onenand_invalidate_bufferram()
981 loff_t buf_addr = this->bufferram[i].blockpage << this->page_shift; in onenand_invalidate_bufferram()
983 this->bufferram[i].blockpage = -1; in onenand_invalidate_bufferram()
988 * onenand_get_device - [GENERIC] Get chip for selected access
996 struct onenand_chip *this = mtd->priv; in onenand_get_device()
1003 spin_lock(&this->chip_lock); in onenand_get_device()
1004 if (this->state == FL_READY) { in onenand_get_device()
1005 this->state = new_state; in onenand_get_device()
1006 spin_unlock(&this->chip_lock); in onenand_get_device()
1007 if (new_state != FL_PM_SUSPENDED && this->enable) in onenand_get_device()
1008 this->enable(mtd); in onenand_get_device()
1012 spin_unlock(&this->chip_lock); in onenand_get_device()
1013 return (this->state == FL_PM_SUSPENDED) ? 0 : -EAGAIN; in onenand_get_device()
1016 add_wait_queue(&this->wq, &wait); in onenand_get_device()
1017 spin_unlock(&this->chip_lock); in onenand_get_device()
1019 remove_wait_queue(&this->wq, &wait); in onenand_get_device()
1026 * onenand_release_device - [GENERIC] release chip
1033 struct onenand_chip *this = mtd->priv; in onenand_release_device()
1035 if (this->state != FL_PM_SUSPENDED && this->disable) in onenand_release_device()
1036 this->disable(mtd); in onenand_release_device()
1038 spin_lock(&this->chip_lock); in onenand_release_device()
1039 this->state = FL_READY; in onenand_release_device()
1040 wake_up(&this->wq); in onenand_release_device()
1041 spin_unlock(&this->chip_lock); in onenand_release_device()
1045 * onenand_transfer_auto_oob - [INTERN] oob auto-placement transfer
1054 struct onenand_chip *this = mtd->priv; in onenand_transfer_auto_oob()
1056 this->read_bufferram(mtd, ONENAND_SPARERAM, this->oob_buf, 0, in onenand_transfer_auto_oob()
1057 mtd->oobsize); in onenand_transfer_auto_oob()
1058 return mtd_ooblayout_get_databytes(mtd, buf, this->oob_buf, in onenand_transfer_auto_oob()
1063 * onenand_recover_lsb - [Flex-OneNAND] Recover LSB page data
1068 * MLC NAND Flash cell has paired pages - LSB page and MSB page. LSB page has
1077 struct onenand_chip *this = mtd->priv; in onenand_recover_lsb()
1080 /* Recovery is only for Flex-OneNAND */ in onenand_recover_lsb()
1090 if (mtd->eraseregions[i].erasesize < (1 << this->erase_shift)) in onenand_recover_lsb()
1098 mtd->ecc_stats.failed--; in onenand_recover_lsb()
1101 this->command(mtd, FLEXONENAND_CMD_RECOVER_LSB, addr, this->writesize); in onenand_recover_lsb()
1102 return this->wait(mtd, FL_READING); in onenand_recover_lsb()
1106 * onenand_mlc_read_ops_nolock - MLC OneNAND read main and/or out-of-band
1111 * MLC OneNAND / Flex-OneNAND has 4KB page size and 4KB dataram.
1112 * So, read-while-load is not present.
1117 struct onenand_chip *this = mtd->priv; in onenand_mlc_read_ops_nolock()
1119 size_t len = ops->len; in onenand_mlc_read_ops_nolock()
1120 size_t ooblen = ops->ooblen; in onenand_mlc_read_ops_nolock()
1121 u_char *buf = ops->datbuf; in onenand_mlc_read_ops_nolock()
1122 u_char *oobbuf = ops->oobbuf; in onenand_mlc_read_ops_nolock()
1126 int writesize = this->writesize; in onenand_mlc_read_ops_nolock()
1132 oobcolumn = from & (mtd->oobsize - 1); in onenand_mlc_read_ops_nolock()
1135 if (from + len > mtd->size) { in onenand_mlc_read_ops_nolock()
1138 ops->retlen = 0; in onenand_mlc_read_ops_nolock()
1139 ops->oobretlen = 0; in onenand_mlc_read_ops_nolock()
1140 return -EINVAL; in onenand_mlc_read_ops_nolock()
1143 stats = mtd->ecc_stats; in onenand_mlc_read_ops_nolock()
1148 thislen = min_t(int, writesize, len - read); in onenand_mlc_read_ops_nolock()
1150 column = from & (writesize - 1); in onenand_mlc_read_ops_nolock()
1152 thislen = writesize - column; in onenand_mlc_read_ops_nolock()
1155 this->command(mtd, ONENAND_CMD_READ, from, writesize); in onenand_mlc_read_ops_nolock()
1157 ret = this->wait(mtd, FL_READING); in onenand_mlc_read_ops_nolock()
1167 this->read_bufferram(mtd, ONENAND_DATARAM, buf, column, thislen); in onenand_mlc_read_ops_nolock()
1169 thisooblen = oobsize - oobcolumn; in onenand_mlc_read_ops_nolock()
1170 thisooblen = min_t(int, thisooblen, ooblen - oobread); in onenand_mlc_read_ops_nolock()
1172 if (ops->mode == MTD_OPS_AUTO_OOB) in onenand_mlc_read_ops_nolock()
1175 this->read_bufferram(mtd, ONENAND_SPARERAM, oobbuf, oobcolumn, thisooblen); in onenand_mlc_read_ops_nolock()
1190 * Return success, if no ECC failures, else -EBADMSG in onenand_mlc_read_ops_nolock()
1192 * retlen == desired len and result == -EBADMSG in onenand_mlc_read_ops_nolock()
1194 ops->retlen = read; in onenand_mlc_read_ops_nolock()
1195 ops->oobretlen = oobread; in onenand_mlc_read_ops_nolock()
1200 if (mtd->ecc_stats.failed - stats.failed) in onenand_mlc_read_ops_nolock()
1201 return -EBADMSG; in onenand_mlc_read_ops_nolock()
1203 /* return max bitflips per ecc step; ONENANDs correct 1 bit only */ in onenand_mlc_read_ops_nolock()
1204 return mtd->ecc_stats.corrected != stats.corrected ? 1 : 0; in onenand_mlc_read_ops_nolock()
1208 * onenand_read_ops_nolock - [OneNAND Interface] OneNAND read main and/or out-of-band
1213 * OneNAND read main and/or out-of-band data
1218 struct onenand_chip *this = mtd->priv; in onenand_read_ops_nolock()
1220 size_t len = ops->len; in onenand_read_ops_nolock()
1221 size_t ooblen = ops->ooblen; in onenand_read_ops_nolock()
1222 u_char *buf = ops->datbuf; in onenand_read_ops_nolock()
1223 u_char *oobbuf = ops->oobbuf; in onenand_read_ops_nolock()
1227 int writesize = this->writesize; in onenand_read_ops_nolock()
1233 oobcolumn = from & (mtd->oobsize - 1); in onenand_read_ops_nolock()
1236 if ((from + len) > mtd->size) { in onenand_read_ops_nolock()
1239 ops->retlen = 0; in onenand_read_ops_nolock()
1240 ops->oobretlen = 0; in onenand_read_ops_nolock()
1241 return -EINVAL; in onenand_read_ops_nolock()
1244 stats = mtd->ecc_stats; in onenand_read_ops_nolock()
1246 /* Read-while-load method */ in onenand_read_ops_nolock()
1251 this->command(mtd, ONENAND_CMD_READ, from, writesize); in onenand_read_ops_nolock()
1252 ret = this->wait(mtd, FL_READING); in onenand_read_ops_nolock()
1259 thislen = min_t(int, writesize, len - read); in onenand_read_ops_nolock()
1260 column = from & (writesize - 1); in onenand_read_ops_nolock()
1262 thislen = writesize - column; in onenand_read_ops_nolock()
1268 this->command(mtd, ONENAND_CMD_READ, from, writesize); in onenand_read_ops_nolock()
1275 unlikely(from == (this->chipsize >> 1))) { in onenand_read_ops_nolock()
1276 this->write_word(ONENAND_DDP_CHIP0, this->base + ONENAND_REG_START_ADDRESS2); in onenand_read_ops_nolock()
1283 this->read_bufferram(mtd, ONENAND_DATARAM, buf, column, thislen); in onenand_read_ops_nolock()
1287 thisooblen = oobsize - oobcolumn; in onenand_read_ops_nolock()
1288 thisooblen = min_t(int, thisooblen, ooblen - oobread); in onenand_read_ops_nolock()
1290 if (ops->mode == MTD_OPS_AUTO_OOB) in onenand_read_ops_nolock()
1293 this->read_bufferram(mtd, ONENAND_SPARERAM, oobbuf, oobcolumn, thisooblen); in onenand_read_ops_nolock()
1305 this->write_word(ONENAND_DDP_CHIP1, this->base + ONENAND_REG_START_ADDRESS2); in onenand_read_ops_nolock()
1308 thislen = min_t(int, writesize, len - read); in onenand_read_ops_nolock()
1312 ret = this->wait(mtd, FL_READING); in onenand_read_ops_nolock()
1319 * Return success, if no ECC failures, else -EBADMSG in onenand_read_ops_nolock()
1321 * retlen == desired len and result == -EBADMSG in onenand_read_ops_nolock()
1323 ops->retlen = read; in onenand_read_ops_nolock()
1324 ops->oobretlen = oobread; in onenand_read_ops_nolock()
1329 if (mtd->ecc_stats.failed - stats.failed) in onenand_read_ops_nolock()
1330 return -EBADMSG; in onenand_read_ops_nolock()
1332 /* return max bitflips per ecc step; ONENANDs correct 1 bit only */ in onenand_read_ops_nolock()
1333 return mtd->ecc_stats.corrected != stats.corrected ? 1 : 0; in onenand_read_ops_nolock()
1337 * onenand_read_oob_nolock - [MTD Interface] OneNAND read out-of-band
1342 * OneNAND read out-of-band data from the spare area
1347 struct onenand_chip *this = mtd->priv; in onenand_read_oob_nolock()
1350 size_t len = ops->ooblen; in onenand_read_oob_nolock()
1351 unsigned int mode = ops->mode; in onenand_read_oob_nolock()
1352 u_char *buf = ops->oobbuf; in onenand_read_oob_nolock()
1355 from += ops->ooboffs; in onenand_read_oob_nolock()
1361 ops->oobretlen = 0; in onenand_read_oob_nolock()
1364 oobsize = mtd->oobavail; in onenand_read_oob_nolock()
1366 oobsize = mtd->oobsize; in onenand_read_oob_nolock()
1368 column = from & (mtd->oobsize - 1); in onenand_read_oob_nolock()
1373 return -EINVAL; in onenand_read_oob_nolock()
1376 stats = mtd->ecc_stats; in onenand_read_oob_nolock()
1383 thislen = oobsize - column; in onenand_read_oob_nolock()
1386 this->command(mtd, readcmd, from, mtd->oobsize); in onenand_read_oob_nolock()
1390 ret = this->wait(mtd, FL_READING); in onenand_read_oob_nolock()
1403 this->read_bufferram(mtd, ONENAND_SPARERAM, buf, column, thislen); in onenand_read_oob_nolock()
1415 from += mtd->writesize; in onenand_read_oob_nolock()
1420 ops->oobretlen = read; in onenand_read_oob_nolock()
1425 if (mtd->ecc_stats.failed - stats.failed) in onenand_read_oob_nolock()
1426 return -EBADMSG; in onenand_read_oob_nolock()
1432 * onenand_read_oob - [MTD Interface] Read main and/or out-of-band
1437 * Read main and/or out-of-band
1442 struct onenand_chip *this = mtd->priv; in onenand_read_oob()
1445 switch (ops->mode) { in onenand_read_oob()
1452 return -EINVAL; in onenand_read_oob()
1456 if (ops->datbuf) in onenand_read_oob()
1468 * onenand_bbt_wait - [DEFAULT] wait until the command is done
1476 struct onenand_chip *this = mtd->priv; in onenand_bbt_wait()
1478 unsigned int interrupt, ctrl, ecc, addr1, addr8; in onenand_bbt_wait() local
1483 interrupt = this->read_word(this->base + ONENAND_REG_INTERRUPT); in onenand_bbt_wait()
1488 interrupt = this->read_word(this->base + ONENAND_REG_INTERRUPT); in onenand_bbt_wait()
1489 ctrl = this->read_word(this->base + ONENAND_REG_CTRL_STATUS); in onenand_bbt_wait()
1490 addr1 = this->read_word(this->base + ONENAND_REG_START_ADDRESS1); in onenand_bbt_wait()
1491 addr8 = this->read_word(this->base + ONENAND_REG_START_ADDRESS8); in onenand_bbt_wait()
1494 ecc = onenand_read_ecc(this); in onenand_bbt_wait()
1495 if (ecc & ONENAND_ECC_2BIT_ALL) { in onenand_bbt_wait()
1496 printk(KERN_DEBUG "%s: ecc 0x%04x ctrl 0x%04x " in onenand_bbt_wait()
1498 __func__, ecc, ctrl, interrupt, addr1, addr8); in onenand_bbt_wait()
1519 * onenand_bbt_read_oob - [MTD Interface] OneNAND read out-of-band for bbt scan
1524 * OneNAND read out-of-band data from the spare area for bbt scan
1529 struct onenand_chip *this = mtd->priv; in onenand_bbt_read_oob()
1532 size_t len = ops->ooblen; in onenand_bbt_read_oob()
1533 u_char *buf = ops->oobbuf; in onenand_bbt_read_oob()
1539 ops->oobretlen = 0; in onenand_bbt_read_oob()
1542 if (unlikely((from + len) > mtd->size)) { in onenand_bbt_read_oob()
1551 column = from & (mtd->oobsize - 1); in onenand_bbt_read_oob()
1558 thislen = mtd->oobsize - column; in onenand_bbt_read_oob()
1561 this->command(mtd, readcmd, from, mtd->oobsize); in onenand_bbt_read_oob()
1565 ret = this->bbt_wait(mtd, FL_READING); in onenand_bbt_read_oob()
1572 this->read_bufferram(mtd, ONENAND_SPARERAM, buf, column, thislen); in onenand_bbt_read_oob()
1582 from += this->writesize; in onenand_bbt_read_oob()
1590 ops->oobretlen = read; in onenand_bbt_read_oob()
1596 * onenand_verify_oob - [GENERIC] verify the oob contents after a write
1603 struct onenand_chip *this = mtd->priv; in onenand_verify_oob()
1604 u_char *oob_buf = this->oob_buf; in onenand_verify_oob()
1609 this->command(mtd, readcmd, to, mtd->oobsize); in onenand_verify_oob()
1611 status = this->wait(mtd, FL_READING); in onenand_verify_oob()
1615 this->read_bufferram(mtd, ONENAND_SPARERAM, oob_buf, 0, mtd->oobsize); in onenand_verify_oob()
1616 for (i = 0; i < mtd->oobsize; i++) in onenand_verify_oob()
1618 return -EBADMSG; in onenand_verify_oob()
1624 * onenand_verify - [GENERIC] verify the chip contents after a write
1632 struct onenand_chip *this = mtd->priv; in onenand_verify()
1636 column = addr & (this->writesize - 1); in onenand_verify()
1639 thislen = min_t(int, this->writesize - column, len); in onenand_verify()
1641 this->command(mtd, ONENAND_CMD_READ, addr, this->writesize); in onenand_verify()
1645 ret = this->wait(mtd, FL_READING); in onenand_verify()
1651 this->read_bufferram(mtd, ONENAND_DATARAM, this->verify_buf, 0, mtd->writesize); in onenand_verify()
1653 if (memcmp(buf, this->verify_buf + column, thislen)) in onenand_verify()
1654 return -EBADMSG; in onenand_verify()
1656 len -= thislen; in onenand_verify()
1669 #define NOTALIGNED(x) ((x & (this->subpagesize - 1)) != 0)
1673 struct onenand_chip *this = mtd->priv; in onenand_panic_wait()
1678 interrupt = this->read_word(this->base + ONENAND_REG_INTERRUPT); in onenand_panic_wait()
1686 * onenand_panic_write - [MTD Interface] write buffer to FLASH in a panic context
1693 * Write with ECC
1698 struct onenand_chip *this = mtd->priv; in onenand_panic_write()
1702 if (this->state == FL_PM_SUSPENDED) in onenand_panic_write()
1703 return -EBUSY; in onenand_panic_write()
1715 return -EINVAL; in onenand_panic_write()
1718 column = to & (mtd->writesize - 1); in onenand_panic_write()
1722 int thislen = min_t(int, mtd->writesize - column, len - written); in onenand_panic_write()
1725 this->command(mtd, ONENAND_CMD_BUFFERRAM, to, thislen); in onenand_panic_write()
1728 subpage = thislen < mtd->writesize; in onenand_panic_write()
1730 memset(this->page_buf, 0xff, mtd->writesize); in onenand_panic_write()
1731 memcpy(this->page_buf + column, buf, thislen); in onenand_panic_write()
1732 wbuf = this->page_buf; in onenand_panic_write()
1735 this->write_bufferram(mtd, ONENAND_DATARAM, wbuf, 0, mtd->writesize); in onenand_panic_write()
1736 this->write_bufferram(mtd, ONENAND_SPARERAM, ffchars, 0, mtd->oobsize); in onenand_panic_write()
1738 this->command(mtd, ONENAND_CMD_PROG, to, mtd->writesize); in onenand_panic_write()
1746 onenand_update_bufferram(mtd, to + this->writesize, !subpage); in onenand_panic_write()
1764 * onenand_fill_auto_oob - [INTERN] oob auto-placement transfer
1778 * onenand_write_ops_nolock - [OneNAND Interface] write main and/or out-of-band
1783 * Write main and/or oob with ECC
1788 struct onenand_chip *this = mtd->priv; in onenand_write_ops_nolock()
1792 size_t len = ops->len; in onenand_write_ops_nolock()
1793 size_t ooblen = ops->ooblen; in onenand_write_ops_nolock()
1794 const u_char *buf = ops->datbuf; in onenand_write_ops_nolock()
1795 const u_char *oob = ops->oobbuf; in onenand_write_ops_nolock()
1803 ops->retlen = 0; in onenand_write_ops_nolock()
1804 ops->oobretlen = 0; in onenand_write_ops_nolock()
1810 return -EINVAL; in onenand_write_ops_nolock()
1817 oobcolumn = to & (mtd->oobsize - 1); in onenand_write_ops_nolock()
1819 column = to & (mtd->writesize - 1); in onenand_write_ops_nolock()
1826 thislen = min_t(int, mtd->writesize - column, len - written); in onenand_write_ops_nolock()
1827 thisooblen = min_t(int, oobsize - oobcolumn, ooblen - oobwritten); in onenand_write_ops_nolock()
1831 this->command(mtd, ONENAND_CMD_BUFFERRAM, to, thislen); in onenand_write_ops_nolock()
1834 subpage = thislen < mtd->writesize; in onenand_write_ops_nolock()
1836 memset(this->page_buf, 0xff, mtd->writesize); in onenand_write_ops_nolock()
1837 memcpy(this->page_buf + column, buf, thislen); in onenand_write_ops_nolock()
1838 wbuf = this->page_buf; in onenand_write_ops_nolock()
1841 this->write_bufferram(mtd, ONENAND_DATARAM, wbuf, 0, mtd->writesize); in onenand_write_ops_nolock()
1844 oobbuf = this->oob_buf; in onenand_write_ops_nolock()
1848 memset(oobbuf, 0xff, mtd->oobsize); in onenand_write_ops_nolock()
1849 if (ops->mode == MTD_OPS_AUTO_OOB) in onenand_write_ops_nolock()
1860 this->write_bufferram(mtd, ONENAND_SPARERAM, oobbuf, 0, mtd->oobsize); in onenand_write_ops_nolock()
1865 * 2 PLANE, MLC, and Flex-OneNAND do not support in onenand_write_ops_nolock()
1866 * write-while-program feature. in onenand_write_ops_nolock()
1871 ret = this->wait(mtd, FL_WRITING); in onenand_write_ops_nolock()
1876 written -= prevlen; in onenand_write_ops_nolock()
1884 ret = onenand_verify(mtd, buf - len, to - len, len); in onenand_write_ops_nolock()
1894 this->ongoing = 0; in onenand_write_ops_nolock()
1903 this->ongoing = 1; in onenand_write_ops_nolock()
1906 this->command(mtd, cmd, to, mtd->writesize); in onenand_write_ops_nolock()
1909 * 2 PLANE, MLC, and Flex-OneNAND wait here in onenand_write_ops_nolock()
1912 ret = this->wait(mtd, FL_WRITING); in onenand_write_ops_nolock()
1949 onenand_invalidate_bufferram(mtd, 0, -1); in onenand_write_ops_nolock()
1951 ops->retlen = written; in onenand_write_ops_nolock()
1952 ops->oobretlen = oobwritten; in onenand_write_ops_nolock()
1959 * onenand_write_oob_nolock - [INTERN] OneNAND write out-of-band
1967 * OneNAND write out-of-band
1972 struct onenand_chip *this = mtd->priv; in onenand_write_oob_nolock()
1976 size_t len = ops->ooblen; in onenand_write_oob_nolock()
1977 const u_char *buf = ops->oobbuf; in onenand_write_oob_nolock()
1978 unsigned int mode = ops->mode; in onenand_write_oob_nolock()
1980 to += ops->ooboffs; in onenand_write_oob_nolock()
1986 ops->oobretlen = 0; in onenand_write_oob_nolock()
1989 oobsize = mtd->oobavail; in onenand_write_oob_nolock()
1991 oobsize = mtd->oobsize; in onenand_write_oob_nolock()
1993 column = to & (mtd->oobsize - 1); in onenand_write_oob_nolock()
1998 return -EINVAL; in onenand_write_oob_nolock()
2001 /* For compatibility with NAND: Do not allow write past end of page */ in onenand_write_oob_nolock()
2005 return -EINVAL; in onenand_write_oob_nolock()
2008 oobbuf = this->oob_buf; in onenand_write_oob_nolock()
2014 int thislen = min_t(int, oobsize, len - written); in onenand_write_oob_nolock()
2018 this->command(mtd, ONENAND_CMD_BUFFERRAM, to, mtd->oobsize); in onenand_write_oob_nolock()
2022 memset(oobbuf, 0xff, mtd->oobsize); in onenand_write_oob_nolock()
2027 this->write_bufferram(mtd, ONENAND_SPARERAM, oobbuf, 0, mtd->oobsize); in onenand_write_oob_nolock()
2031 memset(this->page_buf, 0xff, mtd->writesize); in onenand_write_oob_nolock()
2032 this->write_bufferram(mtd, ONENAND_DATARAM, in onenand_write_oob_nolock()
2033 this->page_buf, 0, mtd->writesize); in onenand_write_oob_nolock()
2036 this->command(mtd, oobcmd, to, mtd->oobsize); in onenand_write_oob_nolock()
2041 onenand_update_bufferram(mtd, to + this->writesize, 0); in onenand_write_oob_nolock()
2044 ret = this->wait(mtd, FL_WRITING); in onenand_write_oob_nolock()
2061 to += mtd->writesize; in onenand_write_oob_nolock()
2066 ops->oobretlen = written; in onenand_write_oob_nolock()
2072 * onenand_write_oob - [MTD Interface] NAND write data and/or out-of-band
2082 switch (ops->mode) { in onenand_write_oob()
2089 return -EINVAL; in onenand_write_oob()
2093 if (ops->datbuf) in onenand_write_oob()
2103 * onenand_block_isbad_nolock - [GENERIC] Check if a block is marked bad
2113 struct onenand_chip *this = mtd->priv; in onenand_block_isbad_nolock()
2114 struct bbm_info *bbm = this->bbm; in onenand_block_isbad_nolock()
2117 return bbm->isbad_bbt(mtd, ofs, allowbbt); in onenand_block_isbad_nolock()
2124 struct onenand_chip *this = mtd->priv; in onenand_multiblock_erase_verify()
2125 loff_t addr = instr->addr; in onenand_multiblock_erase_verify()
2126 int len = instr->len; in onenand_multiblock_erase_verify()
2127 unsigned int block_size = (1 << this->erase_shift); in onenand_multiblock_erase_verify()
2131 this->command(mtd, ONENAND_CMD_ERASE_VERIFY, addr, block_size); in onenand_multiblock_erase_verify()
2132 ret = this->wait(mtd, FL_VERIFYING_ERASE); in onenand_multiblock_erase_verify()
2136 instr->fail_addr = addr; in onenand_multiblock_erase_verify()
2137 return -1; in onenand_multiblock_erase_verify()
2139 len -= block_size; in onenand_multiblock_erase_verify()
2146 * onenand_multiblock_erase - [INTERN] erase block(s) using multiblock erase
2157 struct onenand_chip *this = mtd->priv; in onenand_multiblock_erase()
2158 loff_t addr = instr->addr; in onenand_multiblock_erase()
2159 int len = instr->len; in onenand_multiblock_erase()
2165 loff_t bdry_addr = this->chipsize >> 1; in onenand_multiblock_erase()
2167 bdry_block = bdry_addr >> this->erase_shift; in onenand_multiblock_erase()
2170 /* Pre-check bbs */ in onenand_multiblock_erase()
2177 return -EIO; in onenand_multiblock_erase()
2179 len -= block_size; in onenand_multiblock_erase()
2183 len = instr->len; in onenand_multiblock_erase()
2184 addr = instr->addr; in onenand_multiblock_erase()
2196 int this_block = (addr >> this->erase_shift); in onenand_multiblock_erase()
2200 (bdry_block - this_block)); in onenand_multiblock_erase()
2206 while (len > block_size && eb_count < (max_eb_count - 1)) { in onenand_multiblock_erase()
2207 this->command(mtd, ONENAND_CMD_MULTIBLOCK_ERASE, in onenand_multiblock_erase()
2211 ret = this->wait(mtd, FL_PREPARING_ERASE); in onenand_multiblock_erase()
2216 instr->fail_addr = MTD_FAIL_ADDR_UNKNOWN; in onenand_multiblock_erase()
2217 return -EIO; in onenand_multiblock_erase()
2220 len -= block_size; in onenand_multiblock_erase()
2225 /* last block of 64-eb series */ in onenand_multiblock_erase()
2227 this->command(mtd, ONENAND_CMD_ERASE, addr, block_size); in onenand_multiblock_erase()
2230 ret = this->wait(mtd, FL_ERASING); in onenand_multiblock_erase()
2235 instr->fail_addr = MTD_FAIL_ADDR_UNKNOWN; in onenand_multiblock_erase()
2236 return -EIO; in onenand_multiblock_erase()
2239 len -= block_size; in onenand_multiblock_erase()
2246 instr->fail_addr = verify_instr.fail_addr; in onenand_multiblock_erase()
2247 return -EIO; in onenand_multiblock_erase()
2256 * onenand_block_by_block_erase - [INTERN] erase block(s) using regular erase
2269 struct onenand_chip *this = mtd->priv; in onenand_block_by_block_erase()
2270 loff_t addr = instr->addr; in onenand_block_by_block_erase()
2271 int len = instr->len; in onenand_block_by_block_erase()
2276 /* region is set for Flex-OneNAND */ in onenand_block_by_block_erase()
2277 region_end = region->offset + region->erasesize * region->numblocks; in onenand_block_by_block_erase()
2289 return -EIO; in onenand_block_by_block_erase()
2292 this->command(mtd, ONENAND_CMD_ERASE, addr, block_size); in onenand_block_by_block_erase()
2296 ret = this->wait(mtd, FL_ERASING); in onenand_block_by_block_erase()
2301 instr->fail_addr = addr; in onenand_block_by_block_erase()
2302 return -EIO; in onenand_block_by_block_erase()
2305 len -= block_size; in onenand_block_by_block_erase()
2313 block_size = region->erasesize; in onenand_block_by_block_erase()
2314 region_end = region->offset + region->erasesize * region->numblocks; in onenand_block_by_block_erase()
2316 if (len & (block_size - 1)) { in onenand_block_by_block_erase()
2320 return -EIO; in onenand_block_by_block_erase()
2328 * onenand_erase - [MTD Interface] erase block(s)
2336 struct onenand_chip *this = mtd->priv; in onenand_erase()
2338 loff_t addr = instr->addr; in onenand_erase()
2339 loff_t len = instr->len; in onenand_erase()
2345 (unsigned long long)instr->addr, in onenand_erase()
2346 (unsigned long long)instr->len); in onenand_erase()
2352 region = &mtd->eraseregions[i]; in onenand_erase()
2353 block_size = region->erasesize; in onenand_erase()
2358 region_offset = region->offset; in onenand_erase()
2360 block_size = 1 << this->erase_shift; in onenand_erase()
2363 if (unlikely((addr - region_offset) & (block_size - 1))) { in onenand_erase()
2365 return -EINVAL; in onenand_erase()
2369 if (unlikely(len & (block_size - 1))) { in onenand_erase()
2371 return -EINVAL; in onenand_erase()
2378 instr->len < MB_ERASE_MIN_BLK_COUNT * block_size) { in onenand_erase()
2379 /* region is set for Flex-OneNAND (no mb erase) */ in onenand_erase()
2393 * onenand_sync - [MTD Interface] sync
2410 * onenand_block_isbad - [MTD Interface] Check whether the block at the given offset is bad
2427 * onenand_default_block_markbad - [DEFAULT] mark a block bad
2436 struct onenand_chip *this = mtd->priv; in onenand_default_block_markbad()
2437 struct bbm_info *bbm = this->bbm; in onenand_default_block_markbad()
2449 if (bbm->bbt) in onenand_default_block_markbad()
2450 bbm->bbt[block >> 2] |= 0x01 << ((block & 0x03) << 1); in onenand_default_block_markbad()
2452 /* We write two bytes, so we don't have to mess with 16-bit access */ in onenand_default_block_markbad()
2453 ofs += mtd->oobsize + (this->badblockpos & ~0x01); in onenand_default_block_markbad()
2462 * onenand_block_markbad - [MTD Interface] Mark the block at the given offset as bad
2470 struct onenand_chip *this = mtd->priv; in onenand_block_markbad()
2482 ret = this->block_markbad(mtd, ofs); in onenand_block_markbad()
2488 * onenand_do_lock_cmd - [OneNAND Interface] Lock or unlock block(s)
2498 struct onenand_chip *this = mtd->priv; in onenand_do_lock_cmd()
2503 end = onenand_block(this, ofs + len) - 1; in onenand_do_lock_cmd()
2511 if (this->options & ONENAND_HAS_CONT_LOCK) { in onenand_do_lock_cmd()
2513 this->write_word(start, this->base + ONENAND_REG_START_BLOCK_ADDRESS); in onenand_do_lock_cmd()
2515 this->write_word(end, this->base + ONENAND_REG_END_BLOCK_ADDRESS); in onenand_do_lock_cmd()
2517 this->command(mtd, cmd, 0, 0); in onenand_do_lock_cmd()
2520 this->wait(mtd, FL_LOCKING); in onenand_do_lock_cmd()
2523 while (this->read_word(this->base + ONENAND_REG_CTRL_STATUS) in onenand_do_lock_cmd()
2528 status = this->read_word(this->base + ONENAND_REG_WP_STATUS); in onenand_do_lock_cmd()
2540 this->write_word(value, this->base + ONENAND_REG_START_ADDRESS1); in onenand_do_lock_cmd()
2543 this->write_word(value, this->base + ONENAND_REG_START_ADDRESS2); in onenand_do_lock_cmd()
2545 this->write_word(block, this->base + ONENAND_REG_START_BLOCK_ADDRESS); in onenand_do_lock_cmd()
2547 this->command(mtd, cmd, 0, 0); in onenand_do_lock_cmd()
2550 this->wait(mtd, FL_LOCKING); in onenand_do_lock_cmd()
2553 while (this->read_word(this->base + ONENAND_REG_CTRL_STATUS) in onenand_do_lock_cmd()
2558 status = this->read_word(this->base + ONENAND_REG_WP_STATUS); in onenand_do_lock_cmd()
2568 * onenand_lock - [MTD Interface] Lock block(s)
2586 * onenand_unlock - [MTD Interface] Unlock block(s)
2604 * onenand_check_lock_status - [OneNAND Interface] Check lock status
2614 end = this->chipsize >> this->erase_shift; in onenand_check_lock_status()
2618 this->write_word(value, this->base + ONENAND_REG_START_ADDRESS1); in onenand_check_lock_status()
2621 this->write_word(value, this->base + ONENAND_REG_START_ADDRESS2); in onenand_check_lock_status()
2623 this->write_word(block, this->base + ONENAND_REG_START_BLOCK_ADDRESS); in onenand_check_lock_status()
2626 status = this->read_word(this->base + ONENAND_REG_WP_STATUS); in onenand_check_lock_status()
2638 * onenand_unlock_all - [OneNAND Interface] unlock all blocks
2645 struct onenand_chip *this = mtd->priv; in onenand_unlock_all()
2647 loff_t len = mtd->size; in onenand_unlock_all()
2649 if (this->options & ONENAND_HAS_UNLOCK_ALL) { in onenand_unlock_all()
2651 this->write_word(0, this->base + ONENAND_REG_START_BLOCK_ADDRESS); in onenand_unlock_all()
2653 this->command(mtd, ONENAND_CMD_UNLOCK_ALL, 0, 0); in onenand_unlock_all()
2656 this->wait(mtd, FL_LOCKING); in onenand_unlock_all()
2659 while (this->read_word(this->base + ONENAND_REG_CTRL_STATUS) in onenand_unlock_all()
2664 if (this->options & ONENAND_SKIP_UNLOCK_CHECK) in onenand_unlock_all()
2674 ofs = this->chipsize >> 1; in onenand_unlock_all()
2675 len = this->chipsize >> 1; in onenand_unlock_all()
2685 * onenand_otp_command - Send OTP specific command to OneNAND device
2694 struct onenand_chip *this = mtd->priv; in onenand_otp_command()
2700 block = (int) (addr >> this->erase_shift); in onenand_otp_command()
2701 page = -1; in onenand_otp_command()
2705 block = (int) (addr >> this->erase_shift); in onenand_otp_command()
2706 page = (int) (addr >> this->page_shift); in onenand_otp_command()
2712 if (addr & this->writesize) in onenand_otp_command()
2716 page &= this->page_mask; in onenand_otp_command()
2720 if (block != -1) { in onenand_otp_command()
2723 this->write_word(value, this->base + in onenand_otp_command()
2727 if (page != -1) { in onenand_otp_command()
2742 this->write_word(value, this->base + in onenand_otp_command()
2747 this->write_word(value, this->base + ONENAND_REG_START_BUFFER); in onenand_otp_command()
2751 this->write_word(ONENAND_INT_CLEAR, this->base + ONENAND_REG_INTERRUPT); in onenand_otp_command()
2754 this->write_word(cmd, this->base + ONENAND_REG_COMMAND); in onenand_otp_command()
2760 * onenand_otp_write_oob_nolock - [INTERN] OneNAND write out-of-band, specific to OTP
2767 * OneNAND write out-of-band only for OTP
2772 struct onenand_chip *this = mtd->priv; in onenand_otp_write_oob_nolock()
2776 size_t len = ops->ooblen; in onenand_otp_write_oob_nolock()
2777 const u_char *buf = ops->oobbuf; in onenand_otp_write_oob_nolock()
2780 to += ops->ooboffs; in onenand_otp_write_oob_nolock()
2783 ops->oobretlen = 0; in onenand_otp_write_oob_nolock()
2785 oobsize = mtd->oobsize; in onenand_otp_write_oob_nolock()
2787 column = to & (mtd->oobsize - 1); in onenand_otp_write_oob_nolock()
2789 oobbuf = this->oob_buf; in onenand_otp_write_oob_nolock()
2793 int thislen = min_t(int, oobsize, len - written); in onenand_otp_write_oob_nolock()
2797 block = (int) (to >> this->erase_shift); in onenand_otp_write_oob_nolock()
2804 this->write_word(value, this->base + in onenand_otp_write_oob_nolock()
2813 this->write_word(value, this->base + in onenand_otp_write_oob_nolock()
2820 this->command(mtd, ONENAND_CMD_OTP_ACCESS, 0, 0); in onenand_otp_write_oob_nolock()
2821 this->wait(mtd, FL_OTPING); in onenand_otp_write_oob_nolock()
2833 this->write_bufferram(mtd, ONENAND_SPARERAM, in onenand_otp_write_oob_nolock()
2834 oobbuf, 0, mtd->oobsize); in onenand_otp_write_oob_nolock()
2836 onenand_otp_command(mtd, ONENAND_CMD_PROGOOB, to, mtd->oobsize); in onenand_otp_write_oob_nolock()
2840 onenand_update_bufferram(mtd, to + this->writesize, 0); in onenand_otp_write_oob_nolock()
2843 ret = this->wait(mtd, FL_WRITING); in onenand_otp_write_oob_nolock()
2850 this->command(mtd, ONENAND_CMD_RESET, 0, 0); in onenand_otp_write_oob_nolock()
2851 this->wait(mtd, FL_RESETTING); in onenand_otp_write_oob_nolock()
2853 status = this->read_word(this->base + ONENAND_REG_CTRL_STATUS); in onenand_otp_write_oob_nolock()
2863 printk(KERN_DEBUG "OTP Block\tUN-LOCKED\n"); in onenand_otp_write_oob_nolock()
2866 printk(KERN_DEBUG "1st Block\tUN-LOCKED\n"); in onenand_otp_write_oob_nolock()
2876 to += mtd->writesize; in onenand_otp_write_oob_nolock()
2881 ops->oobretlen = written; in onenand_otp_write_oob_nolock()
2891 * do_otp_read - [DEFAULT] Read OTP block area
2903 struct onenand_chip *this = mtd->priv; in do_otp_read()
2913 this->command(mtd, ONENAND_CMD_OTP_ACCESS, 0, 0); in do_otp_read()
2914 this->wait(mtd, FL_OTPING); in do_otp_read()
2921 this->command(mtd, ONENAND_CMD_RESET, 0, 0); in do_otp_read()
2922 this->wait(mtd, FL_RESETTING); in do_otp_read()
2928 * do_otp_write - [DEFAULT] Write OTP block area
2940 struct onenand_chip *this = mtd->priv; in do_otp_write()
2946 if (len < mtd->writesize) { in do_otp_write()
2947 memcpy(this->page_buf, buf, len); in do_otp_write()
2948 memset(this->page_buf + len, 0xff, mtd->writesize - len); in do_otp_write()
2949 pbuf = this->page_buf; in do_otp_write()
2950 len = mtd->writesize; in do_otp_write()
2954 this->command(mtd, ONENAND_CMD_OTP_ACCESS, 0, 0); in do_otp_write()
2955 this->wait(mtd, FL_OTPING); in do_otp_write()
2965 this->command(mtd, ONENAND_CMD_RESET, 0, 0); in do_otp_write()
2966 this->wait(mtd, FL_RESETTING); in do_otp_write()
2972 * do_otp_lock - [DEFAULT] Lock OTP block area
2984 struct onenand_chip *this = mtd->priv; in do_otp_lock()
2991 this->command(mtd, ONENAND_CMD_OTP_ACCESS, 0, 0); in do_otp_lock()
2992 this->wait(mtd, FL_OTPING); in do_otp_lock()
2994 * For Flex-OneNAND, we write lock mark to 1st word of sector 4 of in do_otp_lock()
2997 ops.len = mtd->writesize; in do_otp_lock()
3001 ret = onenand_write_ops_nolock(mtd, mtd->writesize * 49, &ops); in do_otp_lock()
3005 this->command(mtd, ONENAND_CMD_RESET, 0, 0); in do_otp_lock()
3006 this->wait(mtd, FL_RESETTING); in do_otp_lock()
3020 * onenand_otp_walk - [DEFAULT] Handle OTP operation
3035 struct onenand_chip *this = mtd->priv; in onenand_otp_walk()
3042 density = onenand_get_density(this->device_id); in onenand_otp_walk()
3049 from += mtd->writesize * otp_pages; in onenand_otp_walk()
3050 otp_pages = ONENAND_PAGES_PER_BLOCK - otp_pages; in onenand_otp_walk()
3055 if (mtd->writesize * otp_pages < from + len) in onenand_otp_walk()
3058 if (mtd->writesize * otp_pages < len) in onenand_otp_walk()
3067 len -= sizeof(struct otp_info); in onenand_otp_walk()
3069 ret = -ENOSPC; in onenand_otp_walk()
3074 otpinfo->start = from; in onenand_otp_walk()
3075 otpinfo->length = mtd->writesize; in onenand_otp_walk()
3076 otpinfo->locked = 0; in onenand_otp_walk()
3078 from += mtd->writesize; in onenand_otp_walk()
3089 len -= tmp_retlen; in onenand_otp_walk()
3093 otp_pages--; in onenand_otp_walk()
3101 * onenand_get_fact_prot_info - [MTD Interface] Read factory OTP info
3117 * onenand_read_fact_prot_reg - [MTD Interface] Read factory OTP area
3133 * onenand_get_user_prot_info - [MTD Interface] Read user OTP info
3149 * onenand_read_user_prot_reg - [MTD Interface] Read user OTP area
3165 * onenand_write_user_prot_reg - [MTD Interface] Write user OTP area
3181 * onenand_lock_user_prot_reg - [MTD Interface] Lock user OTP area
3191 struct onenand_chip *this = mtd->priv; in onenand_lock_user_prot_reg()
3192 u_char *buf = FLEXONENAND(this) ? this->page_buf : this->oob_buf; in onenand_lock_user_prot_reg()
3197 memset(buf, 0xff, FLEXONENAND(this) ? this->writesize in onenand_lock_user_prot_reg()
3198 : mtd->oobsize); in onenand_lock_user_prot_reg()
3202 * For Flex-OneNAND, we write lock mark to 1st word of sector 4 of in onenand_lock_user_prot_reg()
3207 len = FLEXONENAND(this) ? mtd->writesize : 16; in onenand_lock_user_prot_reg()
3236 * onenand_check_features - Check and set OneNAND features
3240 * - lock scheme
3241 * - two plane
3245 struct onenand_chip *this = mtd->priv; in onenand_check_features()
3249 density = onenand_get_density(this->device_id); in onenand_check_features()
3250 process = this->version_id >> ONENAND_VERSION_PROCESS_SHIFT; in onenand_check_features()
3251 numbufs = this->read_word(this->base + ONENAND_REG_NUM_BUFFERS) >> 8; in onenand_check_features()
3256 this->options |= ONENAND_HAS_NOP_1; in onenand_check_features()
3260 this->options |= ONENAND_HAS_2PLANE; in onenand_check_features()
3262 this->options |= ONENAND_HAS_4KB_PAGE; in onenand_check_features()
3263 this->options |= ONENAND_HAS_CACHE_PROGRAM; in onenand_check_features()
3275 if ((this->version_id & 0xf) == 0xe) in onenand_check_features()
3276 this->options |= ONENAND_HAS_NOP_1; in onenand_check_features()
3278 this->options |= ONENAND_HAS_UNLOCK_ALL; in onenand_check_features()
3284 this->options |= ONENAND_HAS_2PLANE; in onenand_check_features()
3285 this->options |= ONENAND_HAS_UNLOCK_ALL; in onenand_check_features()
3289 /* A-Die has all block unlock */ in onenand_check_features()
3291 this->options |= ONENAND_HAS_UNLOCK_ALL; in onenand_check_features()
3297 this->options |= ONENAND_HAS_CONT_LOCK; in onenand_check_features()
3303 this->options |= ONENAND_HAS_4KB_PAGE; in onenand_check_features()
3306 this->options &= ~ONENAND_HAS_2PLANE; in onenand_check_features()
3309 this->options &= ~ONENAND_HAS_CONT_LOCK; in onenand_check_features()
3310 this->options |= ONENAND_HAS_UNLOCK_ALL; in onenand_check_features()
3313 if (this->options & ONENAND_HAS_CONT_LOCK) in onenand_check_features()
3315 if (this->options & ONENAND_HAS_UNLOCK_ALL) in onenand_check_features()
3317 if (this->options & ONENAND_HAS_2PLANE) in onenand_check_features()
3319 if (this->options & ONENAND_HAS_4KB_PAGE) in onenand_check_features()
3321 if (this->options & ONENAND_HAS_CACHE_PROGRAM) in onenand_check_features()
3326 * onenand_print_device_info - Print device & version ID
3341 printk(KERN_INFO "%s%sOneNAND%s %dMB %sV 16-bit (0x%02x)\n", in onenand_print_device_info()
3343 flexonenand ? "Flex-" : "", in onenand_print_device_info()
3357 * onenand_check_maf - Check manufacturer ID
3383 * flexonenand_get_boundary - Reads the SLC boundary
3384 * @param onenand_info - onenand info structure
3388 struct onenand_chip *this = mtd->priv; in flexonenand_get_boundary()
3392 /* Disable ECC */ in flexonenand_get_boundary()
3393 syscfg = this->read_word(this->base + ONENAND_REG_SYS_CFG1); in flexonenand_get_boundary()
3394 this->write_word((syscfg | 0x0100), this->base + ONENAND_REG_SYS_CFG1); in flexonenand_get_boundary()
3396 for (die = 0; die < this->dies; die++) { in flexonenand_get_boundary()
3397 this->command(mtd, FLEXONENAND_CMD_PI_ACCESS, die, 0); in flexonenand_get_boundary()
3398 this->wait(mtd, FL_SYNCING); in flexonenand_get_boundary()
3400 this->command(mtd, FLEXONENAND_CMD_READ_PI, die, 0); in flexonenand_get_boundary()
3401 this->wait(mtd, FL_READING); in flexonenand_get_boundary()
3403 bdry = this->read_word(this->base + ONENAND_DATARAM); in flexonenand_get_boundary()
3408 this->boundary[die] = bdry & FLEXONENAND_PI_MASK; in flexonenand_get_boundary()
3410 this->command(mtd, ONENAND_CMD_RESET, 0, 0); in flexonenand_get_boundary()
3411 this->wait(mtd, FL_RESETTING); in flexonenand_get_boundary()
3414 this->boundary[die], locked ? "(Locked)" : "(Unlocked)"); in flexonenand_get_boundary()
3417 /* Enable ECC */ in flexonenand_get_boundary()
3418 this->write_word(syscfg, this->base + ONENAND_REG_SYS_CFG1); in flexonenand_get_boundary()
3423 * flexonenand_get_size - Fill up fields in onenand_chip and mtd_info
3424 * boundary[], diesize[], mtd->size, mtd->erasesize
3425 * @param mtd - MTD device structure
3429 struct onenand_chip *this = mtd->priv; in flexonenand_get_size()
3434 density = onenand_get_density(this->device_id); in flexonenand_get_size()
3435 blksperdie = ((loff_t)(16 << density) << 20) >> (this->erase_shift); in flexonenand_get_size()
3437 maxbdry = blksperdie - 1; in flexonenand_get_size()
3438 eraseshift = this->erase_shift - 1; in flexonenand_get_size()
3440 mtd->numeraseregions = this->dies << 1; in flexonenand_get_size()
3445 i = -1; in flexonenand_get_size()
3446 for (; die < this->dies; die++) { in flexonenand_get_size()
3447 if (!die || this->boundary[die-1] != maxbdry) { in flexonenand_get_size()
3449 mtd->eraseregions[i].offset = ofs; in flexonenand_get_size()
3450 mtd->eraseregions[i].erasesize = 1 << eraseshift; in flexonenand_get_size()
3451 mtd->eraseregions[i].numblocks = in flexonenand_get_size()
3452 this->boundary[die] + 1; in flexonenand_get_size()
3453 ofs += mtd->eraseregions[i].numblocks << eraseshift; in flexonenand_get_size()
3456 mtd->numeraseregions -= 1; in flexonenand_get_size()
3457 mtd->eraseregions[i].numblocks += in flexonenand_get_size()
3458 this->boundary[die] + 1; in flexonenand_get_size()
3459 ofs += (this->boundary[die] + 1) << (eraseshift - 1); in flexonenand_get_size()
3461 if (this->boundary[die] != maxbdry) { in flexonenand_get_size()
3463 mtd->eraseregions[i].offset = ofs; in flexonenand_get_size()
3464 mtd->eraseregions[i].erasesize = 1 << eraseshift; in flexonenand_get_size()
3465 mtd->eraseregions[i].numblocks = maxbdry ^ in flexonenand_get_size()
3466 this->boundary[die]; in flexonenand_get_size()
3467 ofs += mtd->eraseregions[i].numblocks << eraseshift; in flexonenand_get_size()
3468 eraseshift--; in flexonenand_get_size()
3470 mtd->numeraseregions -= 1; in flexonenand_get_size()
3474 mtd->erasesize = 1 << this->erase_shift; in flexonenand_get_size()
3475 if (mtd->numeraseregions == 1) in flexonenand_get_size()
3476 mtd->erasesize >>= 1; in flexonenand_get_size()
3478 printk(KERN_INFO "Device has %d eraseregions\n", mtd->numeraseregions); in flexonenand_get_size()
3479 for (i = 0; i < mtd->numeraseregions; i++) in flexonenand_get_size()
3482 (unsigned int) mtd->eraseregions[i].offset, in flexonenand_get_size()
3483 mtd->eraseregions[i].erasesize, in flexonenand_get_size()
3484 mtd->eraseregions[i].numblocks); in flexonenand_get_size()
3486 for (die = 0, mtd->size = 0; die < this->dies; die++) { in flexonenand_get_size()
3487 this->diesize[die] = (loff_t)blksperdie << this->erase_shift; in flexonenand_get_size()
3488 this->diesize[die] -= (loff_t)(this->boundary[die] + 1) in flexonenand_get_size()
3489 << (this->erase_shift - 1); in flexonenand_get_size()
3490 mtd->size += this->diesize[die]; in flexonenand_get_size()
3495 * flexonenand_check_blocks_erased - Check if blocks are erased
3496 * @param mtd_info - mtd info structure
3497 * @param start - first erase block to check
3498 * @param end - last erase block to check
3501 * causes byte values to change. Since both data and its ECC
3510 struct onenand_chip *this = mtd->priv; in flexonenand_check_blocks_erased()
3516 .ooblen = mtd->oobsize, in flexonenand_check_blocks_erased()
3518 .oobbuf = this->oob_buf, in flexonenand_check_blocks_erased()
3530 * Since main area write results in ECC write to spare, in flexonenand_check_blocks_erased()
3531 * it is sufficient to check only ECC bytes for change. in flexonenand_check_blocks_erased()
3537 for (i = 0; i < mtd->oobsize; i++) in flexonenand_check_blocks_erased()
3538 if (this->oob_buf[i] != 0xff) in flexonenand_check_blocks_erased()
3541 if (i != mtd->oobsize) { in flexonenand_check_blocks_erased()
3552 * flexonenand_set_boundary - Writes the SLC boundary
3553 * @param mtd - mtd info structure
3558 struct onenand_chip *this = mtd->priv; in flexonenand_set_boundary()
3562 /* Change only once for SDP Flex-OneNAND */ in flexonenand_set_boundary()
3566 /* boundary value of -1 indicates no required change */ in flexonenand_set_boundary()
3567 if (boundary < 0 || boundary == this->boundary[die]) in flexonenand_set_boundary()
3570 density = onenand_get_density(this->device_id); in flexonenand_set_boundary()
3571 blksperdie = ((16 << density) << 20) >> this->erase_shift; in flexonenand_set_boundary()
3577 return -EINVAL; in flexonenand_set_boundary()
3581 old = this->boundary[die] + (die * this->density_mask); in flexonenand_set_boundary()
3582 new = boundary + (die * this->density_mask); in flexonenand_set_boundary()
3590 this->command(mtd, FLEXONENAND_CMD_PI_ACCESS, die, 0); in flexonenand_set_boundary()
3591 this->wait(mtd, FL_SYNCING); in flexonenand_set_boundary()
3594 this->command(mtd, FLEXONENAND_CMD_READ_PI, die, 0); in flexonenand_set_boundary()
3595 this->wait(mtd, FL_READING); in flexonenand_set_boundary()
3597 thisboundary = this->read_word(this->base + ONENAND_DATARAM); in flexonenand_set_boundary()
3607 addr = die ? this->diesize[0] : 0; in flexonenand_set_boundary()
3612 this->command(mtd, ONENAND_CMD_ERASE, addr, 0); in flexonenand_set_boundary()
3613 ret = this->wait(mtd, FL_ERASING); in flexonenand_set_boundary()
3620 this->write_word(boundary, this->base + ONENAND_DATARAM); in flexonenand_set_boundary()
3621 this->command(mtd, ONENAND_CMD_PROG, addr, 0); in flexonenand_set_boundary()
3622 ret = this->wait(mtd, FL_WRITING); in flexonenand_set_boundary()
3629 this->command(mtd, FLEXONENAND_CMD_PI_UPDATE, die, 0); in flexonenand_set_boundary()
3630 ret = this->wait(mtd, FL_WRITING); in flexonenand_set_boundary()
3632 this->write_word(ONENAND_CMD_RESET, this->base + ONENAND_REG_COMMAND); in flexonenand_set_boundary()
3633 this->wait(mtd, FL_RESETTING); in flexonenand_set_boundary()
3642 * onenand_chip_probe - [OneNAND Interface] The generic chip probe
3650 struct onenand_chip *this = mtd->priv; in onenand_chip_probe()
3655 syscfg = this->read_word(this->base + ONENAND_REG_SYS_CFG1); in onenand_chip_probe()
3657 …this->write_word((syscfg & ~ONENAND_SYS_CFG1_SYNC_READ & ~ONENAND_SYS_CFG1_SYNC_WRITE), this->base… in onenand_chip_probe()
3660 this->write_word(ONENAND_CMD_READID, this->base + ONENAND_BOOTRAM); in onenand_chip_probe()
3663 bram_maf_id = this->read_word(this->base + ONENAND_BOOTRAM + 0x0); in onenand_chip_probe()
3664 bram_dev_id = this->read_word(this->base + ONENAND_BOOTRAM + 0x2); in onenand_chip_probe()
3667 this->write_word(ONENAND_CMD_RESET, this->base + ONENAND_BOOTRAM); in onenand_chip_probe()
3669 this->wait(mtd, FL_RESETTING); in onenand_chip_probe()
3672 this->write_word(syscfg, this->base + ONENAND_REG_SYS_CFG1); in onenand_chip_probe()
3676 return -ENXIO; in onenand_chip_probe()
3679 maf_id = this->read_word(this->base + ONENAND_REG_MANUFACTURER_ID); in onenand_chip_probe()
3680 dev_id = this->read_word(this->base + ONENAND_REG_DEVICE_ID); in onenand_chip_probe()
3684 return -ENXIO; in onenand_chip_probe()
3690 * onenand_probe - [OneNAND Interface] Probe the OneNAND device
3695 struct onenand_chip *this = mtd->priv; in onenand_probe()
3700 ret = this->chip_probe(mtd); in onenand_probe()
3705 dev_id = this->read_word(this->base + ONENAND_REG_DEVICE_ID); in onenand_probe()
3706 ver_id = this->read_word(this->base + ONENAND_REG_VERSION_ID); in onenand_probe()
3707 this->technology = this->read_word(this->base + ONENAND_REG_TECHNOLOGY); in onenand_probe()
3711 this->device_id = dev_id; in onenand_probe()
3712 this->version_id = ver_id; in onenand_probe()
3719 this->dies = ONENAND_IS_DDP(this) ? 2 : 1; in onenand_probe()
3721 mtd->numeraseregions = this->dies << 1; in onenand_probe()
3722 mtd->eraseregions = in onenand_probe()
3723 kcalloc(this->dies << 1, in onenand_probe()
3726 if (!mtd->eraseregions) in onenand_probe()
3727 return -ENOMEM; in onenand_probe()
3731 * For Flex-OneNAND, chipsize represents maximum possible device size. in onenand_probe()
3732 * mtd->size represents the actual device size. in onenand_probe()
3734 this->chipsize = (16 << density) << 20; in onenand_probe()
3738 mtd->writesize = this->read_word(this->base + ONENAND_REG_DATA_BUFFER_SIZE); in onenand_probe()
3741 mtd->writesize <<= 1; in onenand_probe()
3743 mtd->oobsize = mtd->writesize >> 5; in onenand_probe()
3745 mtd->erasesize = mtd->writesize << 6; in onenand_probe()
3747 * Flex-OneNAND SLC area has 64 pages per block. in onenand_probe()
3748 * Flex-OneNAND MLC area has 128 pages per block. in onenand_probe()
3752 mtd->erasesize <<= 1; in onenand_probe()
3754 this->erase_shift = ffs(mtd->erasesize) - 1; in onenand_probe()
3755 this->page_shift = ffs(mtd->writesize) - 1; in onenand_probe()
3756 this->page_mask = (1 << (this->erase_shift - this->page_shift)) - 1; in onenand_probe()
3759 this->density_mask = this->chipsize >> (this->erase_shift + 1); in onenand_probe()
3761 this->writesize = mtd->writesize; in onenand_probe()
3768 mtd->size = this->chipsize; in onenand_probe()
3777 mtd->writesize <<= 1; in onenand_probe()
3778 mtd->erasesize <<= 1; in onenand_probe()
3785 * onenand_suspend - [MTD Interface] Suspend the OneNAND flash
3794 * onenand_resume - [MTD Interface] Resume the OneNAND flash
3799 struct onenand_chip *this = mtd->priv; in onenand_resume()
3801 if (this->state == FL_PM_SUSPENDED) in onenand_resume()
3809 * onenand_scan - [OneNAND Interface] Scan for the OneNAND device
3821 struct onenand_chip *this = mtd->priv; in onenand_scan()
3823 if (!this->read_word) in onenand_scan()
3824 this->read_word = onenand_readw; in onenand_scan()
3825 if (!this->write_word) in onenand_scan()
3826 this->write_word = onenand_writew; in onenand_scan()
3828 if (!this->command) in onenand_scan()
3829 this->command = onenand_command; in onenand_scan()
3830 if (!this->wait) in onenand_scan()
3832 if (!this->bbt_wait) in onenand_scan()
3833 this->bbt_wait = onenand_bbt_wait; in onenand_scan()
3834 if (!this->unlock_all) in onenand_scan()
3835 this->unlock_all = onenand_unlock_all; in onenand_scan()
3837 if (!this->chip_probe) in onenand_scan()
3838 this->chip_probe = onenand_chip_probe; in onenand_scan()
3840 if (!this->read_bufferram) in onenand_scan()
3841 this->read_bufferram = onenand_read_bufferram; in onenand_scan()
3842 if (!this->write_bufferram) in onenand_scan()
3843 this->write_bufferram = onenand_write_bufferram; in onenand_scan()
3845 if (!this->block_markbad) in onenand_scan()
3846 this->block_markbad = onenand_default_block_markbad; in onenand_scan()
3847 if (!this->scan_bbt) in onenand_scan()
3848 this->scan_bbt = onenand_default_bbt; in onenand_scan()
3851 return -ENXIO; in onenand_scan()
3854 if (this->mmcontrol) { in onenand_scan()
3856 this->read_bufferram = onenand_sync_read_bufferram; in onenand_scan()
3860 if (!this->page_buf) { in onenand_scan()
3861 this->page_buf = kzalloc(mtd->writesize, GFP_KERNEL); in onenand_scan()
3862 if (!this->page_buf) in onenand_scan()
3863 return -ENOMEM; in onenand_scan()
3865 this->verify_buf = kzalloc(mtd->writesize, GFP_KERNEL); in onenand_scan()
3866 if (!this->verify_buf) { in onenand_scan()
3867 kfree(this->page_buf); in onenand_scan()
3868 return -ENOMEM; in onenand_scan()
3871 this->options |= ONENAND_PAGEBUF_ALLOC; in onenand_scan()
3873 if (!this->oob_buf) { in onenand_scan()
3874 this->oob_buf = kzalloc(mtd->oobsize, GFP_KERNEL); in onenand_scan()
3875 if (!this->oob_buf) { in onenand_scan()
3876 if (this->options & ONENAND_PAGEBUF_ALLOC) { in onenand_scan()
3877 this->options &= ~ONENAND_PAGEBUF_ALLOC; in onenand_scan()
3879 kfree(this->verify_buf); in onenand_scan()
3881 kfree(this->page_buf); in onenand_scan()
3883 return -ENOMEM; in onenand_scan()
3885 this->options |= ONENAND_OOBBUF_ALLOC; in onenand_scan()
3888 this->state = FL_READY; in onenand_scan()
3889 init_waitqueue_head(&this->wq); in onenand_scan()
3890 spin_lock_init(&this->chip_lock); in onenand_scan()
3895 switch (mtd->oobsize) { in onenand_scan()
3899 mtd->subpage_sft = 0; in onenand_scan()
3902 mtd->subpage_sft = 2; in onenand_scan()
3905 mtd->subpage_sft = 0; in onenand_scan()
3909 mtd->subpage_sft = 2; in onenand_scan()
3914 mtd->subpage_sft = 1; in onenand_scan()
3919 __func__, mtd->oobsize); in onenand_scan()
3920 mtd->subpage_sft = 0; in onenand_scan()
3926 this->subpagesize = mtd->writesize >> mtd->subpage_sft; in onenand_scan()
3936 mtd->oobavail = ret; in onenand_scan()
3938 mtd->ecc_strength = 1; in onenand_scan()
3941 mtd->type = ONENAND_IS_MLC(this) ? MTD_MLCNANDFLASH : MTD_NANDFLASH; in onenand_scan()
3942 mtd->flags = MTD_CAP_NANDFLASH; in onenand_scan()
3943 mtd->_erase = onenand_erase; in onenand_scan()
3944 mtd->_point = NULL; in onenand_scan()
3945 mtd->_unpoint = NULL; in onenand_scan()
3946 mtd->_read_oob = onenand_read_oob; in onenand_scan()
3947 mtd->_write_oob = onenand_write_oob; in onenand_scan()
3948 mtd->_panic_write = onenand_panic_write; in onenand_scan()
3950 mtd->_get_fact_prot_info = onenand_get_fact_prot_info; in onenand_scan()
3951 mtd->_read_fact_prot_reg = onenand_read_fact_prot_reg; in onenand_scan()
3952 mtd->_get_user_prot_info = onenand_get_user_prot_info; in onenand_scan()
3953 mtd->_read_user_prot_reg = onenand_read_user_prot_reg; in onenand_scan()
3954 mtd->_write_user_prot_reg = onenand_write_user_prot_reg; in onenand_scan()
3955 mtd->_lock_user_prot_reg = onenand_lock_user_prot_reg; in onenand_scan()
3957 mtd->_sync = onenand_sync; in onenand_scan()
3958 mtd->_lock = onenand_lock; in onenand_scan()
3959 mtd->_unlock = onenand_unlock; in onenand_scan()
3960 mtd->_suspend = onenand_suspend; in onenand_scan()
3961 mtd->_resume = onenand_resume; in onenand_scan()
3962 mtd->_block_isbad = onenand_block_isbad; in onenand_scan()
3963 mtd->_block_markbad = onenand_block_markbad; in onenand_scan()
3964 mtd->owner = THIS_MODULE; in onenand_scan()
3965 mtd->writebufsize = mtd->writesize; in onenand_scan()
3968 if (!(this->options & ONENAND_SKIP_INITIAL_UNLOCKING)) in onenand_scan()
3969 this->unlock_all(mtd); in onenand_scan()
3972 this->badblockpos = ONENAND_BADBLOCK_POS; in onenand_scan()
3974 ret = this->scan_bbt(mtd); in onenand_scan()
3978 /* Change Flex-OneNAND boundaries if required */ in onenand_scan()
3987 * onenand_release - [OneNAND Interface] Free resources held by the OneNAND device
3992 struct onenand_chip *this = mtd->priv; in onenand_release()
3998 if (this->bbm) { in onenand_release()
3999 struct bbm_info *bbm = this->bbm; in onenand_release()
4000 kfree(bbm->bbt); in onenand_release()
4001 kfree(this->bbm); in onenand_release()
4004 if (this->options & ONENAND_PAGEBUF_ALLOC) { in onenand_release()
4005 kfree(this->page_buf); in onenand_release()
4007 kfree(this->verify_buf); in onenand_release()
4010 if (this->options & ONENAND_OOBBUF_ALLOC) in onenand_release()
4011 kfree(this->oob_buf); in onenand_release()
4012 kfree(mtd->eraseregions); in onenand_release()