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2020-03-24mtd: spinand: toshiba: Rename function name to change suffix and prefix (8Gbit)Yoshio Furuyama1-30/+30
The suffix was changed from "G" to "J" to classify between 1st generation and 2nd generation serial NAND devices (which now belong to the Kioxia brand). As reference that's 1st generation device of 1Gbit product is "TC58CVG0S3HRAIG" 2nd generation device of 1Gbit product is "TC58CVG0S3HRAIJ". The 8Gbit type "TH58CxG3S0HRAIJ" is new to Kioxia's serial NAND lineup and the prefix was changed from "TC58" to "TH58". Thus the functions were renamed from tc58cxgxsx_*() to tx58cxgxsxraix_*(). Signed-off-by: Yoshio Furuyama <ytc-mb-yfuruyama7@kioxia.com> Reviewed-by: Frieder Schrempf <frieder.schrempf@kontron.de> Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com> Link: https://lore.kernel.org/linux-mtd/0dedd9869569a17625822dba87878254d253ba0e.1584949601.git.ytc-mb-yfuruyama7@kioxia.com
2020-03-24mtd: rawnand: macronix: Add support for deep power down modeMason Yang1-0/+74
Macronix AD series support deep power down mode for a minimum power consumption state. Overload nand_suspend() & nand_resume() in Macronix specific code to support deep power down mode. Signed-off-by: Mason Yang <masonccyang@mxic.com.tw> Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
2020-03-24mtd: rawnand: Add support for manufacturer specific suspend/resume operationMason Yang2-4/+17
Patch nand_suspend() & nand_resume() to let manufacturers overwrite suspend/resume operations. Signed-off-by: Mason Yang <masonccyang@mxic.com.tw> Reviewed-by: Miquel Raynal <miquel.raynal@bootlin.com> Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com> Link: https://lore.kernel.org/linux-mtd/1584517348-14486-2-git-send-email-masonccyang@mxic.com.tw
2020-03-12mtd: spinand: micron: Add new Micron SPI NAND devices with multiple diesShivamurthy Shastri1-0/+58
Add device table for new Micron SPI NAND devices, which have multiple dies. Also, enable support to select the dies. Signed-off-by: Shivamurthy Shastri <sshivamurthy@micron.com> Reviewed-by: Boris Brezillon <boris.brezillon@collabora.com> Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com> Link: https://lore.kernel.org/linux-mtd/20200311175735.2007-7-sshivamurthy@micron.com
2020-03-12mtd: spinand: micron: Add M70A series Micron SPI NAND devicesShivamurthy Shastri1-0/+22
Add device table for M70A series Micron SPI NAND devices. Signed-off-by: Shivamurthy Shastri <sshivamurthy@micron.com> Reviewed-by: Boris Brezillon <boris.brezillon@collabora.com> Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com> Link: https://lore.kernel.org/linux-mtd/20200311175735.2007-6-sshivamurthy@micron.com
2020-03-12mtd: spinand: micron: identify SPI NAND device with Continuous Read modeShivamurthy Shastri2-0/+17
Add SPINAND_HAS_CR_FEAT_BIT flag to identify the SPI NAND device with the Continuous Read mode. Some of the Micron SPI NAND devices have the "Continuous Read" feature enabled by default, which does not fit the subsystem needs. In this mode, the READ CACHE command doesn't require the starting column address. The device always output the data starting from the first column of the cache register, and once the end of the cache register reached, the data output continues through the next page. With the continuous read mode, it is possible to read out the entire block using a single READ command, and once the end of the block reached, the output pins become High-Z state. However, during this mode the read command doesn't output the OOB area. Hence, we disable the feature at probe time. Signed-off-by: Shivamurthy Shastri <sshivamurthy@micron.com> Reviewed-by: Boris Brezillon <boris.brezillon@collabora.com> Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com> Link: https://lore.kernel.org/linux-mtd/20200311175735.2007-5-sshivamurthy@micron.com
2020-03-12mtd: spinand: micron: Add new Micron SPI NAND devicesShivamurthy Shastri1-0/+33
Add device table for M79A and M78A series Micron SPI NAND devices. Signed-off-by: Shivamurthy Shastri <sshivamurthy@micron.com> Reviewed-by: Boris Brezillon <boris.brezillon@collabora.com> Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com> Link: https://lore.kernel.org/linux-mtd/20200311175735.2007-4-sshivamurthy@micron.com
2020-03-12mtd: spinand: micron: Describe the SPI NAND device MT29F2G01ABAGDShivamurthy Shastri1-0/+1
Add the SPI NAND device MT29F2G01ABAGD series number, size and voltage details as a comment. Signed-off-by: Shivamurthy Shastri <sshivamurthy@micron.com> Reviewed-by: Boris Brezillon <boris.brezillon@collabora.com> Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com> Link: https://lore.kernel.org/linux-mtd/20200311175735.2007-3-sshivamurthy@micron.com
2020-03-12mtd: spinand: micron: Generalize the OOB layout structure and function namesShivamurthy Shastri1-14/+14
In order to add new Micron SPI NAND devices, we generalized the OOB layout structure and function names. Signed-off-by: Shivamurthy Shastri <sshivamurthy@micron.com> Reviewed-by: Boris Brezillon <boris.brezillon@collabora.com> Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com> Link: https://lore.kernel.org/linux-mtd/20200311175735.2007-2-sshivamurthy@micron.com
2020-03-11mtd: rawnand: brcmnand: Add support for flash-edu for dma transfersKamal Dasu1-6/+287
Legacy mips soc platforms that have controller v5.0 and 6.0 use flash-edu block for dma transfers. This change adds support for nand dma transfers using the EDU block. Signed-off-by: Kamal Dasu <kdasu.kdev@gmail.com> Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com> Link: https://lore.kernel.org/linux-mtd/20200122213313.35820-4-kdasu.kdev@gmail.com
2020-03-11arch: mips: brcm: Add 7425 flash-edu supportKamal Dasu1-2/+2
Nand controller v5.0 and v6.0 have nand edu blocks that enable dma nand flash transfers. This allows for faster read and write access. Signed-off-by: Kamal Dasu <kdasu.kdev@gmail.com> Acked-by: Paul Burton <paulburton@kernel.org> Reviewed-by: Florian Fainelli <f.fainelli@gmail.com> Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com> Link: https://lore.kernel.org/linux-mtd/20200122213313.35820-3-kdasu.kdev@gmail.com
2020-03-11dt: bindings: brcmnand: Add support for flash-eduKamal Dasu1-5/+5
Adding support for EBI DMA unit (EDU). Signed-off-by: Kamal Dasu <kdasu.kdev@gmail.com> Reviewed-by: Rob Herring <robh@kernel.org> Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com> Link: https://lore.kernel.org/linux-mtd/20200122213313.35820-2-kdasu.kdev@gmail.com
2020-03-11mtd: rawnand: cadence: reinit completion before executing a new commandPiotr Sroka1-0/+1
Reing the completion object before executing CDMA command to make sure the 'done' flag is OK. Fixes: ec4ba01e894d ("mtd: rawnand: Add new Cadence NAND driver to MTD subsystem") Cc: stable@vger.kernel.org Signed-off-by: Piotr Sroka <piotrs@cadence.com> Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com> Link: https://lore.kernel.org/linux-mtd/1581328530-29966-4-git-send-email-piotrs@cadence.com
2020-03-11mtd: rawnand: cadence: change bad block marker sizePiotr Sroka1-6/+3
Increase bad block marker size from one byte to two bytes. Bad block marker is handled by skip bytes feature of HPNFC. Controller expects this value to be an even number. Fixes: ec4ba01e894d ("mtd: rawnand: Add new Cadence NAND driver to MTD subsystem") Cc: stable@vger.kernel.org Signed-off-by: Piotr Sroka <piotrs@cadence.com> Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com> Link: https://lore.kernel.org/linux-mtd/1581328530-29966-3-git-send-email-piotrs@cadence.com
2020-03-11mtd: rawnand: cadence: fix the calculation of the avaialble OOB sizePiotr Sroka1-1/+2
The value of cdns_chip->sector_count is not known at the moment of the derivation of ecc_size, leading to a zero value. Fix this by assigning ecc_size later in the code. Fixes: ec4ba01e894d ("mtd: rawnand: Add new Cadence NAND driver to MTD subsystem") Cc: stable@vger.kernel.org Signed-off-by: Piotr Sroka <piotrs@cadence.com> Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com> Link: https://lore.kernel.org/linux-mtd/1581328530-29966-2-git-send-email-piotrs@cadence.com
2020-03-11mtd: rawnand: cadence: get meta data size from registersPiotr Sroka1-7/+14
Add checking size of BCH meta data size in capabilities registers instead of using fixed value. BCH meta data is used to keep data from NAND flash OOB area. Signed-off-by: Piotr Sroka <piotrs@cadence.com> Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com> Link: https://lore.kernel.org/linux-mtd/1581328530-29966-1-git-send-email-piotrs@cadence.com
2020-03-11mtd: rawnand: Macronix: Add support for block protectionMason Yang1-0/+72
Macronix AC/AD series support using SET_FEATURES to change block protection and unprotection. Block protection support can be checked with GET_FEATURES. Signed-off-by: Mason Yang <masonccyang@mxic.com.tw> Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com> Link: https://lore.kernel.org/linux-mtd/1583220084-10890-3-git-send-email-masonccyang@mxic.com.tw
2020-03-11mtd: rawnand: Add support for manufacturer specific lock/unlock operationMason Yang2-2/+39
Add nand_lock() & nand_unlock() for manufacturer specific lock & unlock operation while the device supports Block Portection function. Signed-off-by: Mason Yang <masonccyang@mxic.com.tw> Reviewed-by: Miquel Raynal <miquel.raynal@bootlin.com> Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com> Link: https://lore.kernel.org/linux-mtd/1583220084-10890-2-git-send-email-masonccyang@mxic.com.tw
2020-03-11mtd: rawnand: ingenic: Add dependency on MIPS || COMPILE_TESTPaul Cercueil1-0/+1
This driver has no arch-specific instructions but is only ever useful on MIPS; so disable this driver if we're not compiling for MIPS, unless the driver is compile-tested. Signed-off-by: Paul Cercueil <paul@crapouillou.net> Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com> Link: https://lore.kernel.org/linux-mtd/20200302184509.10666-1-paul@crapouillou.net
2020-03-11mtd: rawnand: stm32_fmc2: Use dma_request_chan() instead dma_request_slave_channel()Peter Ujfalusi1-7/+37
dma_request_slave_channel() is a wrapper on top of dma_request_chan() eating up the error code. Use using dma_request_chan() directly and inform user of error in case the DMA request failed. Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com> Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com> Link: https://lore.kernel.org/linux-mtd/20200227123749.24064-8-peter.ujfalusi@ti.com
2020-03-11mtd: rawnand: qcom: Use dma_request_chan() instead dma_request_slave_channel()Peter Ujfalusi1-17/+33
dma_request_slave_channel() is a wrapper on top of dma_request_chan() eating up the error code. Use using dma_request_chan() directly to return the real error code. Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com> Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com> Link: https://lore.kernel.org/linux-mtd/20200227123749.24064-7-peter.ujfalusi@ti.com
2020-03-11mtd: rawnand: qcom: Release resources on failure within qcom_nandc_alloc()Peter Ujfalusi1-27/+34
In case when DMA channel request or alloc_bam_transaction() fails, dma_unmap_single() and any channels already requested should be released. Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com> Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com> Link: https://lore.kernel.org/linux-mtd/20200227123749.24064-6-peter.ujfalusi@ti.com
2020-03-11mtd: rawnand: sunxi: Use dma_request_chan() instead dma_request_slave_channel()Peter Ujfalusi1-5/+10
dma_request_slave_channel() is a wrapper on top of dma_request_chan() eating up the error code. By using dma_request_chan() directly the driver can support deferred probing against DMA. Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com> Acked-by: Maxime Ripard <mripard@kernel.org> Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com> Link: https://lore.kernel.org/linux-mtd/20200227123749.24064-5-peter.ujfalusi@ti.com
2020-03-11mtd: rawnand: marvell: Use dma_request_chan() instead dma_request_slave_channel()Peter Ujfalusi1-5/+8
dma_request_slave_channel() is a wrapper on top of dma_request_chan() eating up the error code. Use using dma_request_chan() directly to return the real error code. Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com> Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com> Link: https://lore.kernel.org/linux-mtd/20200227123749.24064-4-peter.ujfalusi@ti.com
2020-03-11mtd: rawnand: marvell: Release DMA channel on errorPeter Ujfalusi1-6/+19
Release the DMA channel on errors after the channel has been successfully requested. Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com> Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com> Link: https://lore.kernel.org/linux-mtd/20200227123749.24064-3-peter.ujfalusi@ti.com
2020-03-11mtd: rawnand: gpmi: Use dma_request_chan() instead dma_request_slave_channel()Peter Ujfalusi1-10/+11
dma_request_slave_channel() is a wrapper on top of dma_request_chan() eating up the error code. Use using dma_request_chan() directly to return the real error code. Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com> Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com> Link: https://lore.kernel.org/linux-mtd/20200227123749.24064-2-peter.ujfalusi@ti.com
2020-03-11mtd: rawnand: Replace zero-length array with flexible-array memberGustavo A. R. Silva6-6/+6
The current codebase makes use of the zero-length array language extension to the C90 standard, but the preferred mechanism to declare variable-length types such as these ones is a flexible array member[1][2], introduced in C99: struct foo { int stuff; struct boo array[]; }; By making use of the mechanism above, we will get a compiler warning in case the flexible array does not occur last in the structure, which will help us prevent some kind of undefined behavior bugs from being inadvertently introduced[3] to the codebase from now on. Also, notice that, dynamic memory allocations won't be affected by this change: "Flexible array members have incomplete type, and so the sizeof operator may not be applied. As a quirk of the original implementation of zero-length arrays, sizeof evaluates to zero."[1] This issue was found with the help of Coccinelle. [1] https://gcc.gnu.org/onlinedocs/gcc/Zero-Length.html [2] https://github.com/KSPP/linux/issues/21 [3] commit 76497732932f ("cxgb3/l2t: Fix undefined behaviour") Signed-off-by: Gustavo A. R. Silva <gustavo@embeddedor.com> Acked-by: Masahiro Yamada <yamada.masahiro@socionext.com> Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com> Link: https://lore.kernel.org/linux-mtd/20200226222722.GA18020@embeddedor
2020-03-11mtd: rawnand: Fix a typo ("manufecturer")Jonathan Neuschäfer1-1/+1
Signed-off-by: Jonathan Neuschäfer <j.neuschaefer@gmx.net> Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com> Link: https://lore.kernel.org/linux-mtd/20200223180634.8736-1-j.neuschaefer@gmx.net
2020-03-11mtd: spinand: Do not erase the block before writing a bad block markerFrieder Schrempf1-3/+0
Currently when marking a block, we use spinand_erase_op() to erase the block before writing the marker to the OOB area. Doing so without waiting for the operation to finish can lead to the marking failing silently and no bad block marker being written to the flash. In fact we don't need to do an erase at all before writing the BBM. The ECC is disabled for raw accesses to the OOB data and we don't need to work around any issues with chips reporting ECC errors as it is known to be the case for raw NAND. Fixes: 7529df465248 ("mtd: nand: Add core infrastructure to support SPI NANDs") Cc: stable@vger.kernel.org Signed-off-by: Frieder Schrempf <frieder.schrempf@kontron.de> Reviewed-by: Boris Brezillon <boris.brezillon@collabora.com> Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com> Link: https://lore.kernel.org/linux-mtd/20200218100432.32433-4-frieder.schrempf@kontron.de
2020-03-11mtd: spinand: Explicitly use MTD_OPS_RAW to write the bad block marker to OOBFrieder Schrempf1-0/+1
When writing the bad block marker to the OOB area the access mode should be set to MTD_OPS_RAW as it is done for reading the marker. Currently this only works because req.mode is initialized to MTD_OPS_PLACE_OOB (0) and spinand_write_to_cache_op() checks for req.mode != MTD_OPS_AUTO_OOB. Fix this by explicitly setting req.mode to MTD_OPS_RAW. Fixes: 7529df465248 ("mtd: nand: Add core infrastructure to support SPI NANDs") Signed-off-by: Frieder Schrempf <frieder.schrempf@kontron.de> Reviewed-by: Boris Brezillon <boris.brezillon@collabora.com> Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com> Link: https://lore.kernel.org/linux-mtd/20200218100432.32433-3-frieder.schrempf@kontron.de
2020-03-11mtd: spinand: Stop using spinand->oobbuf for buffering bad block markersFrieder Schrempf1-7/+7
For reading and writing the bad block markers, spinand->oobbuf is currently used as a buffer for the marker bytes. During the underlying read and write operations to actually get/set the content of the OOB area, the content of spinand->oobbuf is reused and changed by accessing it through spinand->oobbuf and/or spinand->databuf. This is a flaw in the original design of the SPI NAND core and at the latest from 13c15e07eedf ("mtd: spinand: Handle the case where PROGRAM LOAD does not reset the cache") on, it results in not having the bad block marker written at all, as the spinand->oobbuf is cleared to 0xff after setting the marker bytes to zero. To fix it, we now just store the two bytes for the marker on the stack and let the read/write operations copy it from/to the page buffer later. Fixes: 7529df465248 ("mtd: nand: Add core infrastructure to support SPI NANDs") Cc: stable@vger.kernel.org Signed-off-by: Frieder Schrempf <frieder.schrempf@kontron.de> Reviewed-by: Boris Brezillon <boris.brezillon@collabora.com> Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com> Link: https://lore.kernel.org/linux-mtd/20200218100432.32433-2-frieder.schrempf@kontron.de