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2019-04-18mtd: rawnand: fsl_elbc: Make SW ECC workMarek Behún1-18/+34
Move the code that choses ECC into _attach_chip, which is executed only after the chip->ecc.* properties were loaded from device-tree. This way we know which ECC method was chosen by the device-tree and can set methods appropriately. The chip->ecc.*page methods should be set to fsl_elbc_*page only in HW ECC mode. Signed-off-by: Marek Behún <marek.behun@nic.cz> Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
2019-04-18mtd: rawnand: fsl_elbc: Implement RNDOUT commandMarek Behún1-0/+9
This is needed for SW ECC. Signed-off-by: Marek Behún <marek.behun@nic.cz> Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
2019-04-18mtd: rawnand: fsl_elbc: Cosmetic moveMarek Behún1-73/+73
Move the fsl_elbc_attach_chip function after the definitions of fsl_elbc_read_page and friends in preparation for the next patch. Signed-off-by: Marek Behún <marek.behun@nic.cz> Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
2019-04-18mtd: rawnand: Fix sphinx syntaxJonathan Neuschäfer1-2/+2
Sphinx doesn't handle expressions in identifier references. This fixes the following warnings: ./include/linux/mtd/rawnand.h:1184: WARNING: Inline strong start-string without end-string. ./include/linux/mtd/rawnand.h:1186: WARNING: Inline strong start-string without end-string. Signed-off-by: Jonathan Neuschäfer <j.neuschaefer@gmx.net> Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
2019-04-18mtd: rawnand: fix build dependencyAnders Roxell2-2/+2
When enabling CONFIG_MTD_NAND_ECC_SW_BCH as a module, the MTD_NAND_ECC_SW_BCH depends on MTD_NAND, but the module controlled by MTD_NAND links against the module controlled by MTD_NAND_ECC_SW_BCH. This leads to the following link failure. aarch64-linux-gnu-ld: drivers/mtd/nand/raw/nand_base.o: in function `nand_cleanup': ../drivers/mtd/nand/raw/nand_base.c:5886: undefined reference to `nand_bch_free' aarch64-linux-gnu-ld: ../drivers/mtd/nand/raw/nand_base.c:5886:(.text+0x9928): relocation truncated to fit: R_AARCH64_CALL26 against undefined symbol `nand_bch_free' aarch64-linux-gnu-ld: drivers/mtd/nand/raw/nand_base.o: in function `nand_set_ecc_soft_ops': ../drivers/mtd/nand/raw/nand_base.c:5093: undefined reference to `nand_bch_calculate_ecc' aarch64-linux-gnu-ld: ../drivers/mtd/nand/raw/nand_base.c:5093:(.text+0xe914): relocation truncated to fit: R_AARCH64_ADR_PREL_PG_HI21 against undefined symbol `nand_bch_calculate_ecc' aarch64-linux-gnu-ld: ../drivers/mtd/nand/raw/nand_base.c:5093: undefined reference to `nand_bch_calculate_ecc' aarch64-linux-gnu-ld: ../drivers/mtd/nand/raw/nand_base.c:5094: undefined reference to `nand_bch_correct_data' aarch64-linux-gnu-ld: ../drivers/mtd/nand/raw/nand_base.c:5094:(.text+0xe934): relocation truncated to fit: R_AARCH64_ADR_PREL_PG_HI21 against undefined symbol `nand_bch_correct_data' aarch64-linux-gnu-ld: ../drivers/mtd/nand/raw/nand_base.c:5094: undefined reference to `nand_bch_correct_data' aarch64-linux-gnu-ld: ../drivers/mtd/nand/raw/nand_base.c:5148: undefined reference to `nand_bch_init' aarch64-linux-gnu-ld: ../drivers/mtd/nand/raw/nand_base.c:5148:(.text+0xebbc): relocation truncated to fit: R_AARCH64_CALL26 against undefined symbol `nand_bch_init' Rework CONFIG_MTD_NAND_ECC_SW_BCH from tristate to bool, and then link the nand_bch.o file into nand.ko if its enabled. Fixes: 51ef1d0b2095 ("mtd: nand: Clarify Kconfig entry for software BCH ECC algorithm") Signed-off-by: Anders Roxell <anders.roxell@linaro.org> Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
2019-04-18mtd: nand: Remove useless line in KconfigMiquel Raynal1-1/+0
Prepare changes that will lay in this file to better express what is NAND related and what is not in menuconfig. Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
2019-04-18mtd: rawnand: Clarify Kconfig entry MTD_NANDMiquel Raynal82-84/+84
MTD_NAND is large and encloses much more than what the symbol is actually used for: raw NAND. Clarify the symbol by naming it MTD_RAW_NAND instead. Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
2019-04-18mtd: rawnand: Change Kconfig titles and re-order a bit the listMiquel Raynal2-177/+181
This list is a mess, while some items should probably not be in the raw/ sub-directory, others are definitely at the right place but not with the right description. Write uniform titles and group IPs by vendor. NAND controllers will appear under the list named "Raw/parallel NAND flash controllers" while the other drivers will appear under "Misc". Software ECC engines will later be moved out of the raw/ directory. Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
2019-04-18mtd: nand: Clarify Kconfig entry for software Hamming ECC entriesMiquel Raynal9-26/+24
The software Hamming ECC correction implementation is referred as MTD_NAND_ECC which is too generic. Rename it MTD_NAND_ECC_SW_HAMMING. Also rename MTD_NAND_ECC_SMC which is an SMC quirk in the Hamming implementation as MTD_NAND_ECC_SW_HAMMING_SMC. Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
2019-04-18mtd: nand: Clarify Kconfig entry for software BCH ECC algorithmMiquel Raynal10-19/+14
There is no point in having two distinct entries, merge them and rename the symbol for more clarity: MTD_NAND_ECC_SW_BCH Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
2019-04-08mtd: nand: omap: Fix comment in platform data using wrong Kconfig symbolMiquel Raynal1-1/+1
The symbol that is being used in the #if/#endif block is not the one which is mentioned at the bottom. Fixes: 93af53b8633c ("nand: omap2: Remove horrible ifdefs to fix module probe") Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
2019-04-08mtd: rawnand: Get rid of chip->ecc_{strength,step}_dsBoris Brezillon15-85/+81
nand_device embeds a nand_ecc_req object which contains the minimum strength and step-size required by the NAND device. Drop the chip->ecc_{strength,step}_ds fields and use chip->base.eccreq.{strength,step_size} instead. Signed-off-by: Boris Brezillon <bbrezillon@kernel.org> Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com> Reviewed-by: Frieder Schrempf <frieder.schrempf@kontron.de>
2019-04-08mtd: rawnand: Get rid of chip->numchipsBoris Brezillon9-29/+20
The same information is provided by nanddev_ntargets(). Signed-off-by: Boris Brezillon <bbrezillon@kernel.org> Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com> Reviewed-by: Frieder Schrempf <frieder.schrempf@kontron.de>
2019-04-08mtd: rawnand: Get rid of chip->chipsizeBoris Brezillon13-36/+38
The target size can now be returned by nanddev_get_targetsize(). Get rid of the chip->chipsize field and use this helper instead. Signed-off-by: Boris Brezillon <bbrezillon@kernel.org> Reviewed-by: Frieder Schrempf <frieder.schrempf@kontron.de> Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
2019-04-08mtd: rawnand: Get rid of chip->bits_per_cellBoris Brezillon6-12/+4
Now that we inherit from nand_device, we can use nand_device->memorg.bits_per_cell instead of having our own field at the nand_chip level. Signed-off-by: Boris Brezillon <bbrezillon@kernel.org> Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com> Reviewed-by: Frieder Schrempf <frieder.schrempf@kontron.de>
2019-04-08mtd: rawnand: Use nanddev_mtd_max_bad_blocks()Boris Brezillon3-45/+1
nanddev_mtd_max_bad_blocks() is implemented by the generic NAND layer and is already doing what we need. Reuse this function instead of having our own implementation. While at it, get rid of the ->max_bb_per_die and ->blocks_per_die fields which are now unused. Signed-off-by: Boris Brezillon <bbrezillon@kernel.org> Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com> Reviewed-by: Frieder Schrempf <frieder.schrempf@kontron.de>
2019-04-08mtd: rawnand: Move all page cache related fields to a sub-structBoris Brezillon2-21/+25
Looking at the field names it's hard to tell what ->data_buf, ->pagebuf and ->pagebuf_bitflips are for. Clarify that by moving those fields in a sub-struct named pagecache. Signed-off-by: Boris Brezillon <bbrezillon@kernel.org> Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com> Reviewed-by: Frieder Schrempf <frieder.schrempf@kontron.de>
2019-04-08mtd: rawnand: Provide a helper to get chip->data_bufBoris Brezillon8-49/+56
We plan to move cache related fields to a pagecache struct in nand_chip but some drivers access ->pagebuf directly to invalidate the cache before they start using ->data_buf. Let's provide an helper that returns a pointer to ->data_buf after invalidating the cache. Signed-off-by: Boris Brezillon <bbrezillon@kernel.org> Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com> Reviewed-by: Frieder Schrempf <frieder.schrempf@kontron.de>
2019-04-08mtd: rawnand: Initialize the nand_device objectBoris Brezillon2-7/+59
In order to use some of the nanddev_xxx() helpers, we need to initialize the nand_device object embedded in nand_chip using nanddev_init(). This requires implementing nand_ops. We also drop useless mtd->xxx initialization when they're already taken case of by nanddev_init(). Signed-off-by: Boris Brezillon <bbrezillon@kernel.org> Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com> Reviewed-by: Frieder Schrempf <frieder.schrempf@kontron.de>
2019-04-08mtd: rawnand: Fill memorg during detectionBoris Brezillon11-44/+175
If we want to use the generic NAND layer, we need to have the memorg struct appropriately filled. Patch the detection code to fill this struct. Signed-off-by: Boris Brezillon <bbrezillon@kernel.org> Reviewed-by: Frieder Schrempf <frieder.schrempf@kontron.de> Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
2019-04-08mtd: rawnand: Prepare things to reuse the generic NAND layerBoris Brezillon1-4/+6
The generic NAND layer provides abstraction of NAND devices no matter the bus that is used to communicate with the chip. Basing the raw NAND core on this generic layer should avoid duplication of common operations, like iterating over all pages/blocks for MTD IO/erase operations. In order to re-use this layer, we must first inherit from nand_device and then initialize the nand_device struct appropriately. This patch is taking care of the former. Signed-off-by: Boris Brezillon <bbrezillon@kernel.org> Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com> Reviewed-by: Frieder Schrempf <frieder.schrempf@kontron.de>
2019-04-08mtd: rawnand: Use nand_to_mtd() in nand_{set,get}_flash_node()Boris Brezillon1-11/+11
Use the nand_to_mtd() helper to access chip->mtd as done everywhere else. Signed-off-by: Boris Brezillon <bbrezillon@kernel.org> Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com> Reviewed-by: Frieder Schrempf <frieder.schrempf@kontron.de>
2019-04-08mtd: spinand: Implement mtd->_max_bad_blocksBoris Brezillon1-0/+1
We just have to use nanddev_mtd_max_bad_blocks(). Signed-off-by: Boris Brezillon <bbrezillon@kernel.org> Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com> Reviewed-by: Frieder Schrempf <frieder.schrempf@kontron.de>
2019-04-08mtd: nand: Add a helper to retrieve the number of pages per targetBoris Brezillon1-0/+14
Will be used by the raw NAND framework. Signed-off-by: Boris Brezillon <bbrezillon@kernel.org> Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com> Reviewed-by: Frieder Schrempf <frieder.schrempf@kontron.de>
2019-04-08mtd: nand: Add a helper returning the number of eraseblocks per targetBoris Brezillon1-0/+12
Some drivers in the raw NAND framework seems to need this helper, so let's just add it instead of open-coding the logic. Signed-off-by: Boris Brezillon <bbrezillon@kernel.org> Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com> Reviewed-by: Frieder Schrempf <frieder.schrempf@kontron.de>
2019-04-08mtd: nand: Add max_bad_eraseblocks_per_lun info to memorgBoris Brezillon7-16/+54
NAND datasheets usually give the maximum number of bad blocks per LUN and this number can be used to help upper layers decide how much blocks they should reserve for bad block handling. Add a max_bad_eraseblocks_per_lun to the nand_memory_organization struct and update the NAND_MEMORG() macro (and its users) accordingly. We also provide a default mtd->_max_bad_blocks() implementation. Signed-off-by: Boris Brezillon <bbrezillon@kernel.org> Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com> Reviewed-by: Frieder Schrempf <frieder.schrempf@kontron.de>
2019-04-08mtd: rawnand: meson: set oob layout opsLiang Yang1-0/+2
Specify the oob layout operation to avoid no oob scheme defined for some nand flash. Fixes: 8fae856c5350 ("mtd: rawnand: meson: add support for Amlogic NAND flash controller") Signed-off-by: Liang Yang <liang.yang@amlogic.com> Tested-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com> Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
2019-04-08mtd: rawnand: vf610: Avoid a potential NULL pointer dereferenceAditya Pakki1-0/+3
of_match_device can return NULL if there is no matching device. Avoid a potential NULL pointer dereference by checking for the return value and passing the error upstream. Signed-off-by: Aditya Pakki <pakki001@umn.edu> Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
2019-04-08mtd: rawnand: ingenic: Move BBTs out of ECC areaPaul Cercueil1-0/+7
The generic layout for BBT markers will most likely overlap with our ECC bytes in the OOB, so move the BBT markers outside the OOB area. Signed-off-by: Paul Cercueil <paul@crapouillou.net> Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
2019-04-08mtd: rawnand: ingenic: Add ooblayout for the Qi Ben NanonotePaul Cercueil1-1/+40
The Ben Nanonote from Qi Hardware expects a specific OOB layout on its NAND. Signed-off-by: Paul Cercueil <paul@crapouillou.net> Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
2019-04-08mtd: rawnand: ingenic: Add support for the JZ4725BPaul Cercueil4-1/+353
The boot ROM of the JZ4725B SoC expects a specific OOB layout on the NAND, so we use it unconditionally in the ingenic-nand driver. Also add the jz4725b-bch driver to support the JZ4725B-specific BCH hardware. Signed-off-by: Paul Cercueil <paul@crapouillou.net> Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
2019-04-08mtd: rawnand: ingenic: Add support for the JZ4740Paul Cercueil4-11/+245
Add support for probing the ingenic-nand driver on the JZ4740 SoC from Ingenic, and the jz4740-ecc driver to support the JZ4740-specific ECC hardware. Signed-off-by: Paul Cercueil <paul@crapouillou.net> Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
2019-04-08mtd: rawnand: ingenic: Make use of ecc-engine propertyPaul Cercueil1-3/+10
Use the 'ecc-engine' standard property instead of the custom 'ingenic,bch-controller' custom property, which is now deprecated. Signed-off-by: Paul Cercueil <paul@crapouillou.net> Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
2019-04-08mtd: rawnand: ingenic: Separate top-level and SoC specific codePaul Cercueil7-203/+310
The ingenic-nand driver uses an API provided by the jz4780-bch driver. This makes it difficult to support other SoCs in the jz4780-bch driver. To work around this, we separate the API functions from the SoC-specific code, so that these API functions are SoC-agnostic. Signed-off-by: Paul Cercueil <paul@crapouillou.net> Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
2019-03-21mtd: rawnand: ingenic: Rename jz4780_bch_init to jz4780_bch_resetPaul Cercueil1-4/+5
The jz4780_bch_init name was confusing, as it suggested that its content should be executed once at init time, whereas what the function really does is reset the hardware for a new ECC operation. Signed-off-by: Paul Cercueil <paul@crapouillou.net> Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
2019-03-21mtd: rawnand: ingenic: Rename jz4780_nand driver to ingenic_nandPaul Cercueil2-74/+74
The jz4780_nand driver will be modified to handle all the Ingenic JZ47xx SoCs that the upstream Linux kernel supports (JZ4740, JZ4725B, JZ4770, JZ4780), so it makes sense to rename it. Signed-off-by: Paul Cercueil <paul@crapouillou.net> Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
2019-03-21mtd: rawnand: ingenic: Use SPDX license notifiersPaul Cercueil3-12/+3
Use SPDX license notifiers instead of GPLv2 license text in the headers. Signed-off-by: Paul Cercueil <paul@crapouillou.net> Reviewed-by: Boris Brezillon <bbrezillon@kernel.org> Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
2019-03-21mtd: rawnand: Move drivers for Ingenic SoCs to subfolderPaul Cercueil8-15/+17
Before adding support for more SoCs and seeing the number of files for these drivers grow, we move them to their own subfolder to keep it tidy. Signed-off-by: Paul Cercueil <paul@crapouillou.net> Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
2019-03-21dt-bindings: mtd: ingenic: Use standard ecc-engine propertyPaul Cercueil1-2/+2
The 'ingenic,bch-controller' property is now deprecated and the 'ecc-engine' property should be used instead. Signed-off-by: Paul Cercueil <paul@crapouillou.net> Reviewed-by: Rob Herring <robh@kernel.org> Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
2019-03-21dt-bindings: mtd: ingenic: Change 'BCH' to 'ECC' in documentationPaul Cercueil1-9/+9
The JZ4740 ECC hardware is not BCH but Reed-Solomon, so it makes more sense to use the more generic ECC term. Signed-off-by: Paul Cercueil <paul@crapouillou.net> Reviewed-by: Rob Herring <robh@kernel.org> Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
2019-03-21dt-bindings: mtd: ingenic: Add compatible strings for JZ4740 and JZ4725BPaul Cercueil1-2/+8
Add compatible strings to probe the jz4780-nand and jz4780-bch drivers from devicetree on the JZ4725B and JZ4740 SoCs from Ingenic. Signed-off-by: Paul Cercueil <paul@crapouillou.net> Reviewed-by: Rob Herring <robh@kernel.org> Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
2019-03-21mtd: rawnand: meson: fix a potential memory leak in meson_nfc_read_bufMartin Blumenstingl1-1/+3
meson_nfc_dma_buffer_setup() is called with the "info" buffer which is allocated a few lines before using kzalloc(). If meson_nfc_dma_buffer_setup() fails we need to free the allocated "info" buffer instead of only freeing it upon success. Fixes: 8fae856c53500a ("mtd: rawnand: meson: add support for Amlogic NAND flash controller") Signed-off-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com> Acked-by: Liang Yang <liang.yang@amlogic.com> Reviewed-by: Kevin Hilman <khilman@baylibre.com> Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
2019-03-21mtd: rawnand: meson: add missing ENOMEM check in meson_nfc_read_buf()Martin Blumenstingl1-0/+3
kzalloc() can return NULL if memory could not be allocated. Check the return value of the kzalloc() call in meson_nfc_read_buf() to make it consistent with other memory allocations within the meson_nand driver. Fixes: 8fae856c53500a ("mtd: rawnand: meson: add support for Amlogic NAND flash controller") Signed-off-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com> Acked-by: Liang Yang <liang.yang@amlogic.com> Reviewed-by: Kevin Hilman <khilman@baylibre.com> Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
2019-03-21mtd: rawnand: atmel: switch to SPDX license identifiersTudor Ambarus3-13/+3
Adopt the SPDX license identifiers to ease license compliance management. Signed-off-by: Tudor Ambarus <tudor.ambarus@microchip.com> Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
2019-03-21mtd: rawnand: atmel: add sam9x60 nand controller supportTudor Ambarus1-12/+74
The sam9x60 board defines the CCFG_EBICSA register under SFR, and not as a MATRIX register, as previous boards do. NAND Flash I/Os are connected to D16–D23, thus SFR_CCFG_EBICSA.NFD0_ON_D16 is set to 1. Signed-off-by: Tudor Ambarus <tudor.ambarus@microchip.com> Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
2019-03-21dt-bindings: mtd: atmel-nand: add sam9x60 compatibleTudor Ambarus1-0/+1
Add compatibility string for the sam9x60 nand controller. Signed-off-by: Tudor Ambarus <tudor.ambarus@microchip.com> Reviewed-by: Rob Herring <robh@kernel.org> Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
2019-03-21mtd: rawnand: atmel: add generic name for EBICSA regmapTudor Ambarus1-11/+17
The sam9x60 board defines the CCFG_EBICSA register under SFR, and not as a MATRIX register, as previous boards do. Add a more generic name for the EBICSA regmap, as a prerequisite for sam9x60 nand controller support. Signed-off-by: Tudor Ambarus <tudor.ambarus@microchip.com> Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
2019-03-21memory: atmel-ebi: add sam9x60 EBI supportTudor Ambarus1-0/+14
The sam9x60 board defines the CCFG_EBICSA register under SFR, and not as a MATRIX register, as previous boards do. Signed-off-by: Tudor Ambarus <tudor.ambarus@microchip.com> Acked-by: Alexandre Belloni <alexandre.belloni@bootlin.com> Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
2019-03-21dt-bindings: memory: atmel-ebi: add sam9x60 compatibleTudor Ambarus1-0/+1
Add compatibility string for the sam9x60 EBI. Signed-off-by: Tudor Ambarus <tudor.ambarus@microchip.com> Acked-by: Alexandre Belloni <alexandre.belloni@bootlin.com> Reviewed-by: Rob Herring <robh@kernel.org> Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
2019-03-21memory: atmel-ebi: add generic name for ebi regmapTudor Ambarus1-7/+16
The sam9x60 board defines the CCFG_EBICSA register under SFR, and not as a MATRIX register, as previous boards do. Add a more generic name for the EBI regmap as a prerequisite for sam9x60 ebi support. Signed-off-by: Tudor Ambarus <tudor.ambarus@microchip.com> Acked-by: Alexandre Belloni <alexandre.belloni@bootlin.com> Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
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