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# SPDX-License-Identifier: GPL-2.0-only
config MTD_NAND_ECC_SW_HAMMING
tristate
config MTD_NAND_ECC_SW_HAMMING_SMC
bool "NAND ECC Smart Media byte order"
depends on MTD_NAND_ECC_SW_HAMMING
default n
help
Software ECC according to the Smart Media Specification.
The original Linux implementation had byte 0 and 1 swapped.
menuconfig MTD_RAW_NAND
tristate "Raw/Parallel NAND Device Support"
depends on MTD
select MTD_NAND_CORE
select MTD_NAND_ECC_SW_HAMMING
help
This enables support for accessing all type of raw/parallel
NAND flash devices. For further information see
<http://www.linux-mtd.infradead.org/doc/nand.html>.
if MTD_RAW_NAND
config MTD_NAND_ECC_SW_BCH
bool "Support software BCH ECC"
select BCH
default n
help
This enables support for software BCH error correction. Binary BCH
codes are more powerful and cpu intensive than traditional Hamming
ECC codes. They are used with NAND devices requiring more than 1 bit
of error correction.
comment "Raw/parallel NAND flash controllers"
config MTD_NAND_DENALI
tristate
config MTD_NAND_DENALI_PCI
tristate "Denali NAND controller on Intel Moorestown"
select MTD_NAND_DENALI
depends on PCI
help
Enable the driver for NAND flash on Intel Moorestown, using the
Denali NAND controller core.
config MTD_NAND_DENALI_DT
tristate "Denali NAND controller as a DT device"
select MTD_NAND_DENALI
depends on HAS_DMA && HAVE_CLK && OF
help
Enable the driver for NAND flash on platforms using a Denali NAND
controller as a DT device.
config MTD_NAND_AMS_DELTA
tristate "Amstrad E3 NAND controller"
depends on MACH_AMS_DELTA || COMPILE_TEST
default y
help
Support for NAND flash on Amstrad E3 (Delta).
config MTD_NAND_OMAP2
tristate "OMAP2, OMAP3, OMAP4 and Keystone NAND controller"
depends on ARCH_OMAP2PLUS || ARCH_KEYSTONE || COMPILE_TEST
depends on HAS_IOMEM
help
Support for NAND flash on Texas Instruments OMAP2, OMAP3, OMAP4
and Keystone platforms.
config MTD_NAND_OMAP_BCH
depends on MTD_NAND_OMAP2
bool "Support hardware based BCH error correction"
default n
select BCH
help
This config enables the ELM hardware engine, which can be used to
locate and correct errors when using BCH ECC scheme. This offloads
the cpu from doing ECC error searching and correction. However some
legacy OMAP families like OMAP2xxx, OMAP3xxx do not have ELM engine
so this is optional for them.
config MTD_NAND_OMAP_BCH_BUILD
def_tristate MTD_NAND_OMAP2 && MTD_NAND_OMAP_BCH
config MTD_NAND_AU1550
tristate "Au1550/1200 NAND support"
depends on MIPS_ALCHEMY
help
This enables the driver for the NAND flash controller on the
AMD/Alchemy 1550 SOC.
config MTD_NAND_NDFC
tristate "IBM/MCC 4xx NAND controller"
depends on 4xx
select MTD_NAND_ECC_SW_HAMMING_SMC
help
NDFC Nand Flash Controllers are integrated in IBM/AMCC's 4xx SoCs
config MTD_NAND_S3C2410
tristate "Samsung S3C NAND controller"
depends on ARCH_S3C24XX || ARCH_S3C64XX
help
This enables the NAND flash controller on the S3C24xx and S3C64xx
SoCs
No board specific support is done by this driver, each board
must advertise a platform_device for the driver to attach.
config MTD_NAND_S3C2410_DEBUG
bool "Samsung S3C NAND controller debug"
depends on MTD_NAND_S3C2410
help
Enable debugging of the S3C NAND driver
config MTD_NAND_S3C2410_CLKSTOP
bool "Samsung S3C NAND IDLE clock stop"
depends on MTD_NAND_S3C2410
default n
help
Stop the clock to the NAND controller when there is no chip
selected to save power. This will mean there is a small delay
when the is NAND chip selected or released, but will save
approximately 5mA of power when there is nothing happening.
config MTD_NAND_TANGO
tristate "Tango NAND controller"
depends on ARCH_TANGO || COMPILE_TEST
depends on HAS_IOMEM
help
Enables the NAND Flash controller on Tango chips.
config MTD_NAND_SHARPSL
tristate "Sharp SL Series (C7xx + others) NAND controller"
depends on ARCH_PXA || COMPILE_TEST
depends on HAS_IOMEM
config MTD_NAND_CAFE
tristate "OLPC CAFÉ NAND controller"
depends on PCI
select REED_SOLOMON
select REED_SOLOMON_DEC16
help
Use NAND flash attached to the CAFÉ chip designed for the OLPC
laptop.
config MTD_NAND_CS553X
tristate "CS5535/CS5536 (AMD Geode companion) NAND controller"
depends on X86_32
depends on !UML && HAS_IOMEM
help
The CS553x companion chips for the AMD Geode processor
include NAND flash controllers with built-in hardware ECC
capabilities; enabling this option will allow you to use
these. The driver will check the MSRs to verify that the
controller is enabled for NAND, and currently requires that
the controller be in MMIO mode.
If you say "m", the module will be called cs553x_nand.
config MTD_NAND_ATMEL
tristate "Atmel AT91 NAND Flash/SmartMedia NAND controller"
depends on ARCH_AT91 || COMPILE_TEST
depends on HAS_IOMEM
select GENERIC_ALLOCATOR
select MFD_ATMEL_SMC
help
Enables support for NAND Flash / Smart Media Card interface
on Atmel AT91 processors.
config MTD_NAND_ORION
tristate "Marvell Orion NAND controller"
depends on PLAT_ORION
help
This enables the NAND flash controller on Orion machines.
No board specific support is done by this driver, each board
must advertise a platform_device for the driver to attach.
config MTD_NAND_MARVELL
tristate "Marvell EBU NAND controller"
depends on PXA3xx || ARCH_MMP || PLAT_ORION || ARCH_MVEBU || \
COMPILE_TEST
depends on HAS_IOMEM
help
This enables the NAND flash controller driver for Marvell boards,
including:
- PXA3xx processors (NFCv1)
- 32-bit Armada platforms (XP, 37x, 38x, 39x) (NFCv2)
- 64-bit Aramda platforms (7k, 8k) (NFCv2)
config MTD_NAND_SLC_LPC32XX
tristate "NXP LPC32xx SLC NAND controller"
depends on ARCH_LPC32XX || COMPILE_TEST
depends on HAS_IOMEM
help
Enables support for NXP's LPC32XX SLC (i.e. for Single Level Cell
chips) NAND controller. This is the default for the PHYTEC 3250
reference board which contains a NAND256R3A2CZA6 chip.
Please check the actual NAND chip connected and its support
by the SLC NAND controller.
config MTD_NAND_MLC_LPC32XX
tristate "NXP LPC32xx MLC NAND controller"
depends on ARCH_LPC32XX || COMPILE_TEST
depends on HAS_IOMEM
help
Uses the LPC32XX MLC (i.e. for Multi Level Cell chips) NAND
controller. This is the default for the WORK92105 controller
board.
Please check the actual NAND chip connected and its support
by the MLC NAND controller.
config MTD_NAND_CM_X270
tristate "CM-X270 modules NAND controller"
depends on MACH_ARMCORE
config MTD_NAND_PASEMI
tristate "PA Semi PWRficient NAND controller"
depends on PPC_PASEMI
help
Enables support for NAND Flash interface on PA Semi PWRficient
based boards
config MTD_NAND_TMIO
tristate "Toshiba Mobile IO NAND controller"
depends on MFD_TMIO
help
Support for NAND flash connected to a Toshiba Mobile IO
Controller in some PDAs, including the Sharp SL6000x.
config MTD_NAND_BRCMNAND
tristate "Broadcom STB NAND controller"
depends on ARM || ARM64 || MIPS || COMPILE_TEST
depends on HAS_IOMEM
help
Enables the Broadcom NAND controller driver. The controller was
originally designed for Set-Top Box but is used on various BCM7xxx,
BCM3xxx, BCM63xxx, iProc/Cygnus and more.
config MTD_NAND_BCM47XXNFLASH
tristate "BCM4706 BCMA NAND controller"
depends on BCMA_NFLASH
depends on BCMA
help
BCMA bus can have various flash memories attached, they are
registered by bcma as platform devices. This enables driver for
NAND flash memories. For now only BCM4706 is supported.
config MTD_NAND_OXNAS
tristate "Oxford Semiconductor NAND controller"
depends on ARCH_OXNAS || COMPILE_TEST
depends on HAS_IOMEM
help
This enables the NAND flash controller on Oxford Semiconductor SoCs.
config MTD_NAND_MPC5121_NFC
tristate "MPC5121 NAND controller"
depends on PPC_MPC512x
help
This enables the driver for the NAND flash controller on the
MPC5121 SoC.
config MTD_NAND_GPMI_NAND
tristate "Freescale GPMI NAND controller"
depends on MXS_DMA
help
Enables NAND Flash support for IMX23, IMX28 or IMX6.
The GPMI controller is very powerful, with the help of BCH
module, it can do the hardware ECC. The GPMI supports several
NAND flashs at the same time.
config MTD_NAND_FSL_ELBC
tristate "Freescale eLBC NAND controller"
depends on FSL_SOC
select FSL_LBC
help
Various Freescale chips, including the 8313, include a NAND Flash
Controller Module with built-in hardware ECC capabilities.
Enabling this option will enable you to use this to control
external NAND devices.
config MTD_NAND_FSL_IFC
tristate "Freescale IFC NAND controller"
depends on FSL_SOC || ARCH_LAYERSCAPE || SOC_LS1021A || COMPILE_TEST
depends on HAS_IOMEM
select FSL_IFC
select MEMORY
help
Various Freescale chips e.g P1010, include a NAND Flash machine
with built-in hardware ECC capabilities.
Enabling this option will enable you to use this to control
external NAND devices.
config MTD_NAND_FSL_UPM
tristate "Freescale UPM NAND controller"
depends on PPC_83xx || PPC_85xx
select FSL_LBC
help
Enables support for NAND Flash chips wired onto Freescale PowerPC
processor localbus with User-Programmable Machine support.
config MTD_NAND_VF610_NFC
tristate "Freescale VF610/MPC5125 NAND controller"
depends on (SOC_VF610 || COMPILE_TEST)
depends on HAS_IOMEM
help
Enables support for NAND Flash Controller on some Freescale
processors like the VF610, MPC5125, MCF54418 or Kinetis K70.
The driver supports a maximum 2k page size. With 2k pages and
64 bytes or more of OOB, hardware ECC with up to 32-bit error
correction is supported. Hardware ECC is only enabled through
device tree.
config MTD_NAND_MXC
tristate "Freescale MXC NAND controller"
depends on ARCH_MXC || COMPILE_TEST
depends on HAS_IOMEM
help
This enables the driver for the NAND flash controller on the
MXC processors.
config MTD_NAND_SH_FLCTL
tristate "Renesas SuperH FLCTL NAND controller"
depends on SUPERH || COMPILE_TEST
depends on HAS_IOMEM
help
Several Renesas SuperH CPU has FLCTL. This option enables support
for NAND Flash using FLCTL.
config MTD_NAND_DAVINCI
tristate "DaVinci/Keystone NAND controller"
depends on ARCH_DAVINCI || (ARCH_KEYSTONE && TI_AEMIF) || COMPILE_TEST
depends on HAS_IOMEM
help
Enable the driver for NAND flash chips on Texas Instruments
DaVinci/Keystone processors.
config MTD_NAND_TXX9NDFMC
tristate "TXx9 NAND controller"
depends on SOC_TX4938 || SOC_TX4939 || COMPILE_TEST
depends on HAS_IOMEM
help
This enables the NAND flash controller on the TXx9 SoCs.
config MTD_NAND_SOCRATES
tristate "Socrates NAND controller"
depends on SOCRATES
help
Enables support for NAND Flash chips wired onto Socrates board.
config MTD_NAND_NUC900
tristate "Nuvoton NUC9xx/w90p910 NAND controller"
depends on ARCH_W90X900 || COMPILE_TEST
depends on HAS_IOMEM
help
This enables the driver for the NAND Flash on evaluation board based
on w90p910 / NUC9xx.
source "drivers/mtd/nand/raw/ingenic/Kconfig"
config MTD_NAND_FSMC
tristate "ST Micros FSMC NAND controller"
depends on OF && HAS_IOMEM
depends on PLAT_SPEAR || ARCH_NOMADIK || ARCH_U8500 || MACH_U300 || \
COMPILE_TEST
help
Enables support for NAND Flash chips on the ST Microelectronics
Flexible Static Memory Controller (FSMC)
config MTD_NAND_XWAY
bool "Lantiq XWAY NAND controller"
depends on LANTIQ && SOC_TYPE_XWAY
help
Enables support for NAND Flash chips on Lantiq XWAY SoCs. NAND is attached
to the External Bus Unit (EBU).
config MTD_NAND_SUNXI
tristate "Allwinner NAND controller"
depends on ARCH_SUNXI || COMPILE_TEST
depends on HAS_IOMEM
help
Enables support for NAND Flash chips on Allwinner SoCs.
config MTD_NAND_HISI504
tristate "Hisilicon Hip04 NAND controller"
depends on ARCH_HISI || COMPILE_TEST
depends on HAS_IOMEM
help
Enables support for NAND controller on Hisilicon SoC Hip04.
config MTD_NAND_QCOM
tristate "QCOM NAND controller"
depends on ARCH_QCOM || COMPILE_TEST
depends on HAS_IOMEM
help
Enables support for NAND flash chips on SoCs containing the EBI2 NAND
controller. This controller is found on IPQ806x SoC.
config MTD_NAND_MTK
tristate "MTK NAND controller"
depends on ARCH_MEDIATEK || COMPILE_TEST
depends on HAS_IOMEM
help
Enables support for NAND controller on MTK SoCs.
This controller is found on mt27xx, mt81xx, mt65xx SoCs.
config MTD_NAND_TEGRA
tristate "NVIDIA Tegra NAND controller"
depends on ARCH_TEGRA || COMPILE_TEST
depends on HAS_IOMEM
help
Enables support for NAND flash controller on NVIDIA Tegra SoC.
The driver has been developed and tested on a Tegra 2 SoC. DMA
support, raw read/write page as well as HW ECC read/write page
is supported. Extra OOB bytes when using HW ECC are currently
not supported.
config MTD_NAND_STM32_FMC2
tristate "Support for NAND controller on STM32MP SoCs"
depends on MACH_STM32MP157 || COMPILE_TEST
help
Enables support for NAND Flash chips on SoCs containing the FMC2
NAND controller. This controller is found on STM32MP SoCs.
The controller supports a maximum 8k page size and supports
a maximum 8-bit correction error per sector of 512 bytes.
config MTD_NAND_MESON
tristate "Support for NAND controller on Amlogic's Meson SoCs"
depends on ARCH_MESON || COMPILE_TEST
select MFD_SYSCON
help
Enables support for NAND controller on Amlogic's Meson SoCs.
This controller is found on Meson SoCs.
config MTD_NAND_GPIO
tristate "GPIO assisted NAND controller"
depends on GPIOLIB || COMPILE_TEST
depends on HAS_IOMEM
help
This enables a NAND flash driver where control signals are
connected to GPIO pins, and commands and data are communicated
via a memory mapped interface.
config MTD_NAND_PLATFORM
tristate "Generic NAND controller"
depends on HAS_IOMEM
help
This implements a generic NAND driver for on-SOC platform
devices. You will need to provide platform-specific functions
via platform_data.
comment "Misc"
config MTD_SM_COMMON
tristate
default n
config MTD_NAND_NANDSIM
tristate "Support for NAND Flash Simulator"
help
The simulator may simulate various NAND flash chips for the
MTD nand layer.
config MTD_NAND_RICOH
tristate "Ricoh xD card reader"
default n
depends on PCI
select MTD_SM_COMMON
help
Enable support for Ricoh R5C852 xD card reader
You also need to enable ether
NAND SSFDC (SmartMedia) read only translation layer' or new
expermental, readwrite
'SmartMedia/xD new translation layer'
config MTD_NAND_DISKONCHIP
tristate "DiskOnChip 2000, Millennium and Millennium Plus (NAND reimplementation)"
depends on HAS_IOMEM
select REED_SOLOMON
select REED_SOLOMON_DEC16
help
This is a reimplementation of M-Systems DiskOnChip 2000,
Millennium and Millennium Plus as a standard NAND device driver,
as opposed to the earlier self-contained MTD device drivers.
This should enable, among other things, proper JFFS2 operation on
these devices.
config MTD_NAND_DISKONCHIP_PROBE_ADVANCED
bool "Advanced detection options for DiskOnChip"
depends on MTD_NAND_DISKONCHIP
help
This option allows you to specify nonstandard address at which to
probe for a DiskOnChip, or to change the detection options. You
are unlikely to need any of this unless you are using LinuxBIOS.
Say 'N'.
config MTD_NAND_DISKONCHIP_PROBE_ADDRESS
hex "Physical address of DiskOnChip" if MTD_NAND_DISKONCHIP_PROBE_ADVANCED
depends on MTD_NAND_DISKONCHIP
default "0"
help
By default, the probe for DiskOnChip devices will look for a
DiskOnChip at every multiple of 0x2000 between 0xC8000 and 0xEE000.
This option allows you to specify a single address at which to probe
for the device, which is useful if you have other devices in that
range which get upset when they are probed.
(Note that on PowerPC, the normal probe will only check at
0xE4000000.)
Normally, you should leave this set to zero, to allow the probe at
the normal addresses.
config MTD_NAND_DISKONCHIP_PROBE_HIGH
bool "Probe high addresses"
depends on MTD_NAND_DISKONCHIP_PROBE_ADVANCED
help
By default, the probe for DiskOnChip devices will look for a
DiskOnChip at every multiple of 0x2000 between 0xC8000 and 0xEE000.
This option changes to make it probe between 0xFFFC8000 and
0xFFFEE000. Unless you are using LinuxBIOS, this is unlikely to be
useful to you. Say 'N'.
config MTD_NAND_DISKONCHIP_BBTWRITE
bool "Allow BBT writes on DiskOnChip Millennium and 2000TSOP"
depends on MTD_NAND_DISKONCHIP
help
On DiskOnChip devices shipped with the INFTL filesystem (Millennium
and 2000 TSOP/Alon), Linux reserves some space at the end of the
device for the Bad Block Table (BBT). If you have existing INFTL
data on your device (created by non-Linux tools such as M-Systems'
DOS drivers), your data might overlap the area Linux wants to use for
the BBT. If this is a concern for you, leave this option disabled and
Linux will not write BBT data into this area.
The downside of leaving this option disabled is that if bad blocks
are detected by Linux, they will not be recorded in the BBT, which
could cause future problems.
Once you enable this option, new filesystems (INFTL or others, created
in Linux or other operating systems) will not use the reserved area.
The only reason not to enable this option is to prevent damage to
preexisting filesystems.
Even if you leave this disabled, you can enable BBT writes at module
load time (assuming you build diskonchip as a module) with the module
parameter "inftl_bbt_write=1".
endif # MTD_RAW_NAND
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