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* mtd: nand: add software BCH ECC supportIvan Djelic2011-03-111-0/+1
| | | | | | | | | | | | | | | | | | | This patch adds software BCH ECC support to mtd, in order to handle recent NAND device ecc requirements (4 bits or more). It does so by adding a new ecc mode (NAND_ECC_SOFT_BCH) for use by board drivers, and a new Kconfig option to enable BCH support. It relies on the generic BCH library introduced in a previous patch. When a board driver uses mode NAND_ECC_SOFT_BCH, it should also set fields chip->ecc.size and chip->ecc.bytes to select BCH ecc data size and required error correction capability. See nand_bch_init() documentation for details. It has been tested on the following platforms using mtd-utils, UBI and UBIFS: x86 (with nandsim), arm926ejs. Signed-off-by: Ivan Djelic <ivan.djelic@parrot.com> Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
* mtd: generic FSMC NAND MTD driverLinus Walleij2010-10-251-0/+1
| | | | | | | | | | | | | This is the same driver submitted by ST Micros SPEAr team but generalized and tested on the ST-Ericsson U300. It probably easily works on the NHK8815 too. Signed-off-by: Vipin Kumar <vipin.kumar@st.com> Signed-off-by: Rajeev Kumar <rajeev-dlh.kumar@st.com> Signed-off-by: Shiraz Hashim <shiraz.hashim@st.com> Signed-off-by: Viresh Kumar <viresh.kumar@st.com> Signed-off-by: Linus Walleij <linus.walleij@stericsson.com> Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
* MTD: Nand: Add JZ4740 NAND driverLars-Peter Clausen2010-08-051-0/+1
| | | | | | | | | | | | Add support for the NAND controller on JZ4740 SoCs. Signed-off-by: Lars-Peter Clausen <lars@metafoo.de> Cc: David Woodhouse <dwmw2@infradead.org> Cc: linux-mtd@lists.infradead.org Cc: linux-mips@linux-mips.org Cc: linux-kernel@vger.kernel.org Patchwork: https://patchwork.linux-mips.org/patch/1470/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
* mtd/nand: Add Intel Moorestown/Denali NAND supportJason Roberts2010-05-131-0/+1
| | | | | | | There is more work to be done on this but it is basically working now. Signed-off-by: Jason Roberts <jason.e.roberts@intel.com> Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
* mtd: nand: split out ECC moduleMaxim Levitsky2010-03-261-1/+2
| | | | | | | This way drivers could use ecc routines without depedency on whole nand Signed-off-by: Maxim Levitsky <maximlevitsky@gmail.com> Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
* mtd: nand: Add driver for Ricoh xD/SmartMedia readerMaxim Levitsky2010-02-261-0/+1
| | | | | | | | | | | | | | | | | | | | This adds a driver for Ricoh R5C852 xD card reader. This reader is a part of larger mulifunction chip and found at least in R5C832 Driver is complete, but bewere of the fact that some (probably only type M) xD cards are 'fake' which means that they have an on board CPU and expose emulated nand command set These cards don't even store the oob area on the flash, but generate it on the fly from something else. Thus they demand to have proper values written in the oob area, and therefore only useful with SmartMedia FTL. Signed-off-by: Maxim Levitsky <maximlevitsky@gmail.com> Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
* Merge branch 'master' of ↵David Woodhouse2010-02-261-1/+0
|\ | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6 The SmartMedia FTL code depends on new kfifo bits from 2.6.33
| * MIPS: eXcite: Remove platform.Ralf Baechle2009-12-171-1/+0
| | | | | | | | | | | | | | | | | | | | | | | | | | The platform has never been fully merged Signed-off-by: Ralf Baechle <ralf@linux-mips.org> Cc: Thomas Koeller <thomas.koeller@baslerweb.com> Cc: David Woodhouse <dwmw2@infradead.org> Cc: Wim Van Sebroeck <wim@iguana.be> Cc: linux-kernel@vger.kernel.org Cc: linux-mtd@lists.infradead.org Acked-by: David Woodhouse <David.Woodhouse@intel.com> Acked-by: Wim Van Sebroeck <wim@iguana.be>
* | mtd: common module for smartmedia/xD supportMaxim Levitsky2010-02-261-0/+1
| | | | | | | | | | | | | | | | This small module implements few helpers that are usefull for nand drivers for SmartMedia/xD card readers. Signed-off-by: Maxim Levitsky <maximlevitsky@gmail.com> Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
* | mtd: nand: Add MPC5121 NAND Flash Controller driverAnatolij Gustschin2010-02-261-0/+1
| | | | | | | | | | | | | | | | | | | | | | | | Adds NAND Flash Controller driver for MPC5121 Revision 2. All device features, except hardware ECC and power management, are supported. Signed-off-by: Piotr Ziecik <kosmo@semihalf.com> Signed-off-by: Wolfgang Denk <wd@denx.de> Signed-off-by: Anatolij Gustschin <agust@denx.de> Acked-by: Grant Likely <grant.likely@secretlab.ca> Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
* | mtd: Remove now-defunct ts7250 nand driverH Hartley Sweeten2010-01-061-1/+0
| | | | | | | | | | | | | | | | | | | | The ts72xx platform has been updated to use the generic platform nand driver (plat_nand.c). This removes the now-defunct ts7250.c nand driver. Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com> Cc: Matthieu Crapet <mcrapet@gmail.com> Cc: Jesse Off <joff@embeddedARM.com> Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
* | mtd: nand: rename w90p910_nand.c to nuc900_nand.cDavid Woodhouse2010-01-011-1/+1
|/ | | | Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
* mtd: add bcmring nand driverLeo (Hao) Chen2009-10-201-0/+1
| | | | | Signed-off-by: Leo Hao Chen <leochen@broadcom.com> Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
* mtd: nand: driver for Nomadik 8815 SoC (on NHK8815 board)Alessandro Rubini2009-09-201-0/+1
| | | | | | | Signed-off-by: Alessandro Rubini <rubini@unipv.it> Acked-by: Andrea Gallo <andrea.gallo@stericsson.com> Acked-by: Russell King <rmk+kernel@arm.linux.org.uk> Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
* mtd: add nand support for w90p910 (v2)Wan ZongShun2009-09-191-0/+1
| | | | | | | | | | Add w90p910 NAND driver for w90p910 evaluation board based on w90p910,there is a K8F1G08 NAND on my board. [dwmw2: depend on MTD_PARTITIONS] Signed-off-by: Wan ZongShun <mcuos.com@gmail.com> Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
* mtd: nand: add OMAP2/OMAP3 NAND driverVimal Singh2009-06-051-0/+1
| | | | | | | | | | | | | This driver is present in the OMAP tree, now pushing it to MTD. Original author(s): Jian Zhang <jzhang@ti.com> Signed-off-by: Vimal Singh <vimalsingh@ti.com> Cc: Jian Zhang <jzhang@ti.com> Cc: Artem Bityutskiy <dedekind@infradead.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
* [MTD] [NAND] Add support for NAND on the Socrates boardWolfgang Grandegger2009-04-061-0/+1
| | | | | | Signed-off-by: Ilya Yanok <yanok@emcraft.com> Acked-by: Wolfgang Grandegger <wg@grandegger.com> Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
* [MTD] TXx9 SoC NAND Flash Memory Controller driverAtsushi Nemoto2009-03-201-0/+1
| | | | | | | | | | | | | | | This patch adds support for the integrated NAND flash controller of the TXx9 family. Once upon a time there were tx4925ndfmc and tx4938ndfmc driver. They were removed due to bitrot in 2005. This new driver is completely rewritten based on a driver in CELF patch archive. Signed-off-by: Atsushi Nemoto <anemo@mba.ocn.ne.jp> Cc: Ralf Bächle <ralf@linux-mips.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
* [MTD] [NAND] davinci_nand driverDavid Brownell2009-03-201-0/+1
| | | | | | | | | | | | | | | | | | | | | This is a device driver for the NAND flash controller found on the various DaVinci family chips. It handles up to four SoC chipselects, and some flavors of secondary chipselect (e.g. based on upper bits of the address bus) as used with some multichip packages. (Including the 2 GiB chips used on some TI devel boards.) The 1-bit ECC hardware is supported (3 bytes ECC per 512 bytes data); but not yet the newer 4-bit ECC (10 bytes ECC per 512 bytes data), as available on chips like the DM355 or OMAP-L137 and needed with the more error-prone MLC NAND chips. This is a cleaned-up version of code that's been in use for several years now; sanity checked with the new drivers/mtd/tests. Signed-off-by: David Brownell <dbrownell@users.sourceforge.net> Signed-off-by: Sudhakar Rajashekhara <sudhakar.raj@ti.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
* [MTD] [NAND] GPIO NAND flash driverMike Rapoport2008-10-181-0/+1
| | | | | | | | The patch adds support for NAND flashes connected to GPIOs. Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk> Signed-off-by: Mike Rapoport <mike@compulab.co.il> Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
* [MTD] [NAND] sh_flctl: add support for Renesas SuperH FLCTLYoshihiro Shimoda2008-10-141-0/+1
| | | | | | | | | Several Renesas SuperH CPU has FLCTL. The FLCTL support NAND Flash. This driver support SH7723. Signed-off-by: Yoshihiro Shimoda <shimoda.yoshihiro@renesas.com> Acked-by: Paul Mundt <lethal@linux-sh.org> Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
* [MTD] [NAND] Freescale i.MX2 NAND driverSascha Hauer2008-09-021-0/+1
| | | | | | | | | | This patch adds support for the integrated NAND flash controller of the i.MX2 and i.MX3 family. It is tested on MX27 but should work on MX3 aswell. Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de> Acked-by: Juergen Beisert <j.beisert@pengutronix.de> Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
* Merge branch 'master' of ↵David Woodhouse2008-08-121-0/+1
|\ | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6 Conflicts: include/asm-arm/arch-omap/onenand.h
| * mfd: driver for the TMIO NAND controllerIan Molton2008-08-101-0/+1
| | | | | | | | | | | | | | | | | | This patch adds support for the NAND controller commonly found in TMIO based MFDs. Signed-off-by: Ian Molton <spyro@f2s.com> Acked-By: David Woodhouse <David.Woodhouse@intel.com> Signed-off-by: Samuel Ortiz <sameo@openedhand.com>
* | [MTD] Remove references to TI 'toto' platform.David Woodhouse2008-08-041-1/+0
|/ | | | | | | This was a reference board for which support never got merged upstream. Kill it off, at rmk's suggestion. Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
* [MTD] [NAND] rename at91_nand -> atmel_nand: file names and KconfigHåvard Skinnemoen2008-06-071-1/+1
| | | | | | | | | | | | The AT91 NAND driver needs just a few tiny modifications to work on AVR32 as well. Rename it atmel_nand to reflect this. Also move the ECC register definitions into drivers/mtd/nand since they are only useful to the atmel_nand driver, and get rid of the useless filename at the top of each file. Signed-off-by: Håvard Skinnemoen <haavard.skinnemoen@atmel.com> Signed-off-by: David Woodhouse <dwmw2@infradead.org>
* MTD/JFFS2: remove CVS keywordsAdrian Bunk2008-06-041-1/+0
| | | | | | | | | | | | Once upon a time, the MTD repository was using CVS. This patch therefore removes all usages of the no longer updated CVS keywords from the MTD code. This also includes code that printed them to the user. Signed-off-by: Adrian Bunk <bunk@kernel.org> Signed-off-by: David Woodhouse <dwmw2@infradead.org>
* [MTD] [NAND] FSL UPM NAND driverAnton Vorontsov2008-04-221-0/+1
| | | | | | | | | | | This is very simple driver, NAND is connected through localbus, and User-Programmable Machine is doing various adjustments to speak NAND. No special efforts needed to do read and write cycles, though to control ALE and CLE phases, we ask UPM to generate exact pre-programmed signals on the localbus lines. Signed-off-by: Anton Vorontsov <avorontsov@ru.mvista.com> Signed-off-by: David Woodhouse <dwmw2@infradead.org>
* [MTD] [NAND] support for pxa3xxeric miao2008-04-221-0/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | This is preliminary since: 1. It supports only _one_ chip select at the moment. As there is no existing platforms available using two chip selects of the NAND controller, it shall really not include code for supporting the 2nd chip select for now, as such code cannot be verified. 2. It resorts to the default and simpliest memory based badblock table 3. Only limited types of nand flash are currently supported. Most PXA3xx processors come with on-chip NAND flash dies, so there isn't much flexibility for other types of NAND. 4. The NAND controller should be configured to detect the device's ID, thus making it difficult to use nand_scan_ident() to assist the detection process (though it's not impossible) TODO: fix all the above limitations of cuz :-) Signed-off-by: eric miao <eric.miao@marvell.com> Cc: Sergey Podstavin <spodstavin@ru.mvista.com> Signed-off-by: David Woodhouse <dwmw2@infradead.org>
* [MTD] [NAND] Freescale enhanced Local Bus Controller FCM NAND support.Scott Wood2008-02-071-0/+1
| | | | | | Signed-off-by: Nick Spence <nick.spence@freescale.com> Signed-off-by: Scott Wood <scottwood@freescale.com> Signed-off-by: David Woodhouse <dwmw2@infradead.org>
* [MTD] [NAND] Marvell Orion device bus NAND controllerTzachi Perelstein2007-12-031-0/+1
| | | | | | | | | | Driver for the device bus NAND controller in the Marvell Orion family of ARM SoCs. Signed-off-by: Tzachi Perelstein <tzachi@marvell.com> Signed-off-by: Lennert Buytenhek <buytenh@marvell.com> Acked-by: Jörn Engel <joern@logfs.org> Signed-off-by: David Woodhouse <dwmw2@infradead.org>
* [MTD] [NAND] pasemi_nand driverEgor Martovetsky2007-11-291-0/+1
| | | | | | | | | Plumbing for NAND connected via localbus on PA Semi PWRficient-based boards. From: Egor Martovetsky <egor@pasemi.com> Signed-off-by: Olof Johansson <olof@lixom.net> Signed-off-by: David Woodhouse <dwmw2@infradead.org>
* [MTD] [NAND] Blackfin on-chip NAND Flash Controller driverBryan Wu2007-10-131-0/+1
| | | | | | | | | | | | | | | | | | | | | | | | This is the driver for latest Blackfin on-chip nand flash controller - use nand_chip and mtd_info common nand driver interface - provide both PIO and dma operation - compiled with ezkit bf548 configuration - use hardware 1-bit ECC - tested with YAFFS2 and can mount YAFFS2 filesystem as rootfs ChangeLog from try#1 - use hweight32() instead of count_bits() - replace bf54x with bf5xx and BF54X with BF5XX - compare against plat->page_size in 2 cases when enable hardware ECC ChangeLog from try#2 - passed nand_test suites - use cpu_relax() instead of busy wait loop - some coding style issue pointed out by Andrew Signed-off-by: Bryan Wu <bryan.wu@analog.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: David Woodhouse <dwmw2@infradead.org>
* [MTD] [NAND] Driver for Olympus MAUSB-10 and Fujifilm DPC-R1 card readersJörn Engel2007-08-291-0/+1
| | | | | | | | | | | | | | | | | | | | Unlike most stuff on the market the chip inside these two allows raw flash access and doesn't implement and FTL, leaving that functionality to the device driver. Raw flash access in a cheap USB cardreader! An MTD test device one can attach to a PC! What a deal! The command set of the chip is not documented, so information was obtained from the existing mass-storage driver (drivers/usb/storage/alauda.c), its documentation (http://alauda.sourceforge.net/wikka.php?wakka=BulkCommandReference), additional reverse engineering and comparison with a vendor driver for a related chip (http://www.ratocsystems.com/english/download/driver/linux/sma03u.html). Signed-off-by: Joern Engel <joern@logfs.org> Signed-off-by: David Woodhouse <dwmw2@infradead.org>
* [MTD] [NAND] platform NAND driver: add driverVitaly Wool2007-05-081-0/+1
| | | | | | | | | This patch adds support for generic platform NAND driver. Updated after tglx's review/discussion in IRC #mtd channel. Signed-off-by: Vitaly Wool <vitalywool@gmail.com> Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: David Woodhouse <dwmw2@infradead.org>
* [MTD] [NAND] Rename cafe.c to cafe_nand.c and remove the multi-obj magicDavid Woodhouse2007-05-021-1/+0
| | | | Signed-off-by: David Woodhouse <dwmw2@infradead.org>
* [MTD] [NAND] Use rslib for CAFÉ ECCSegher Boessenkool2007-05-021-1/+1
| | | | | Signed-off-by: Segher Boessenkool <segher@kernel.crashing.org> Signed-off-by: David Woodhouse <dwmw2@infradead.org>
* [MTD] [NAND] CM-x270 MTD driverMike Rapoport2007-04-281-0/+1
| | | | | | | This patch provides MTD support for NAND flash devices on CM-x270 modules. Signed-off-by: Mike Rapoport <mike@compulab.co.il> Signed-off-by: David Woodhouse <dwmw2@infradead.org>
* [MTD] [NAND] eXcite nand flash driverThomas Koeller2007-02-111-0/+1
| | | | | | | | This is a nand flash driver for the eXcite series of intelligent cameras manufactured by Basler Vision Technologies AG. Signed-off-by: Thomas Koeller <thomas.koeller@baslerweb.com> Signed-off-by: David Woodhouse <dwmw2@infradead.org>
* [MTD] NAND: CAFÉ NAND driver cleanup, fix ECC on reading empty flashDavid Woodhouse2006-10-221-1/+2
| | | | Signed-off-by: David Woodhouse <dwmw2@infradead.org>
* Merge git://git.infradead.org/~dwmw2/cafe-2.6David Woodhouse2006-10-221-0/+1
|\ | | | | | | | | | | Conflicts: drivers/mtd/nand/Kconfig
| * [MTD NAND] Initial import of CAFÉ NAND driver.David Woodhouse2006-10-061-0/+1
| | | | | | | | Signed-off-by: David Woodhouse <dwmw2@infradead.org>
* | [MTD] NAND: AT91 NAND driverAndrew Victor2006-10-211-0/+1
|/ | | | | | | | | | This version only differs from version posted by Savin Zlobec (20 Jun 2006) in that the AT91RM9200-specific chip-select / bus setup code has been moved from the at91_nand.c driver into the processor-specific file. From: Savin Zlobec <savin@epico.si> Signed-off-by: Andrew Victor <andrew@sanpeople.com> Signed-off-by: David Woodhouse <dwmw2@infradead.org>
* [MTD] Add support for NDFC NAND controllerThomas Gleixner2006-05-231-0/+1
| | | | | | | NDFC NAND Flash controller is embedded in PPC EP44x SoCs. Add platform driver based support. Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
* [MTD] Add Amstrad Delta NAND supportJonathan McDowell2006-05-211-0/+1
| | | | | | | | | | The patch below adds support for the NAND device on the Amstrad Delta. This is a 32MiB 8bit Toshiba device, with the data bus connected to the OMAP MPUIO pins and ALE, CLE, NCE, NRE, NWE and NWP all connected to the Delta's latch2 16bit latch. Signed-Off-By: Jonathan McDowell <noodles@earth.li> Signed-off-by: David Woodhouse <dwmw2@infradead.org>
* [MTD] Basic NAND driver for AMD/NatSemi CS5535/CS5536 Geode companion chipDavid Woodhouse2006-05-111-0/+1
| | | | | | | This lacks hardware ECC support and a few optimisations we're going to want fairly soon, but it works well enough to mount and use JFFS2. Signed-off-by: David Woodhouse <dwmw2@infradead.org>
* ts72xx NAND driverLennert Buytenhek2006-04-301-0/+1
| | | | | | | | | | | | The TS-72xx is a series of embedded single board computers from Technologic Systems based on the Cirrus ep93xx (arm920t based) CPU. The TS-7200 uses NOR flash, while all the other models in the series (TS-7250, TS-7260) use NAND flash -- included is a driver for the NAND flash on those boards. Signed-off-by: Lennert Buytenhek <buytenh@wantstofly.org> Signed-off-by: David Woodhouse <dwmw2@infradead.org>
* [MTD] NAND: Remove unmaintained tx49xx board driversThomas Gleixner2005-07-061-2/+0
| | | | | | | | The drivers are unmaintained since long and reference include files which are not available in the kernel. Original author is not longer responsible and no new maintainer showed up within 3 month. Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
* Linux-2.6.12-rc2v2.6.12-rc2Linus Torvalds2005-04-171-0/+24
Initial git repository build. I'm not bothering with the full history, even though we have it. We can create a separate "historical" git archive of that later if we want to, and in the meantime it's about 3.2GB when imported into git - space that would just make the early git days unnecessarily complicated, when we don't have a lot of good infrastructure for it. Let it rip!
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