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menuconfig MTD_RAW_NAND
bool "Raw NAND Device Support"
if MTD_RAW_NAND
config SYS_NAND_SELF_INIT
bool
help
This option, if enabled, provides more flexible and linux-like
NAND initialization process.
config SYS_NAND_DRIVER_ECC_LAYOUT
bool
help
Omit standard ECC layouts to safe space. Select this if your driver
is known to provide its own ECC layout.
config SYS_NAND_USE_FLASH_BBT
bool "Enable BBT (Bad Block Table) support"
help
Enable the BBT (Bad Block Table) usage.
config NAND_ATMEL
bool "Support Atmel NAND controller"
imply SYS_NAND_USE_FLASH_BBT
help
Enable this driver for NAND flash platforms using an Atmel NAND
controller.
if NAND_ATMEL
config ATMEL_NAND_HWECC
bool "Atmel Hardware ECC"
config ATMEL_NAND_HW_PMECC
bool "Atmel Programmable Multibit ECC (PMECC)"
select ATMEL_NAND_HWECC
help
The Programmable Multibit ECC (PMECC) controller is a programmable
binary BCH(Bose, Chaudhuri and Hocquenghem) encoder and decoder.
config PMECC_CAP
int "PMECC Correctable ECC Bits"
depends on ATMEL_NAND_HW_PMECC
default 2
help
Correctable ECC bits, can be 2, 4, 8, 12, and 24.
config PMECC_SECTOR_SIZE
int "PMECC Sector Size"
depends on ATMEL_NAND_HW_PMECC
default 512
help
Sector size, in bytes, can be 512 or 1024.
config SPL_GENERATE_ATMEL_PMECC_HEADER
bool "Atmel PMECC Header Generation"
select ATMEL_NAND_HWECC
select ATMEL_NAND_HW_PMECC
help
Generate Programmable Multibit ECC (PMECC) header for SPL image.
endif
config NAND_BRCMNAND
bool "Support Broadcom NAND controller"
depends on OF_CONTROL && DM && DM_MTD
help
Enable the driver for NAND flash on platforms using a Broadcom NAND
controller.
config NAND_BRCMNAND_6368
bool "Support Broadcom NAND controller on bcm6368"
depends on NAND_BRCMNAND && ARCH_BMIPS
help
Enable support for broadcom nand driver on bcm6368.
config NAND_BRCMNAND_68360
bool "Support Broadcom NAND controller on bcm68360"
depends on NAND_BRCMNAND && ARCH_BCM68360
help
Enable support for broadcom nand driver on bcm68360.
config NAND_BRCMNAND_6838
bool "Support Broadcom NAND controller on bcm6838"
depends on NAND_BRCMNAND && ARCH_BMIPS && SOC_BMIPS_BCM6838
help
Enable support for broadcom nand driver on bcm6838.
config NAND_BRCMNAND_6858
bool "Support Broadcom NAND controller on bcm6858"
depends on NAND_BRCMNAND && ARCH_BCM6858
help
Enable support for broadcom nand driver on bcm6858.
config NAND_BRCMNAND_63158
bool "Support Broadcom NAND controller on bcm63158"
depends on NAND_BRCMNAND && ARCH_BCM63158
help
Enable support for broadcom nand driver on bcm63158.
config NAND_DAVINCI
bool "Support TI Davinci NAND controller"
help
Enable this driver for NAND flash controllers available in TI Davinci
and Keystone2 platforms
config KEYSTONE_RBL_NAND
depends on ARCH_KEYSTONE
def_bool y
config SPL_NAND_LOAD
def_bool y
depends on NAND_DAVINCI && ARCH_DAVINCI && SPL_NAND_SUPPORT
config NAND_DENALI
bool
select SYS_NAND_SELF_INIT
imply CMD_NAND
config NAND_DENALI_DT
bool "Support Denali NAND controller as a DT device"
select NAND_DENALI
depends on OF_CONTROL && DM_MTD
help
Enable the driver for NAND flash on platforms using a Denali NAND
controller as a DT device.
config NAND_LPC32XX_MLC
bool "Support LPC32XX_MLC controller"
help
Enable the LPC32XX MLC NAND controller.
config NAND_LPC32XX_SLC
bool "Support LPC32XX_SLC controller"
help
Enable the LPC32XX SLC NAND controller.
config NAND_OMAP_GPMC
bool "Support OMAP GPMC NAND controller"
depends on ARCH_OMAP2PLUS
help
Enables omap_gpmc.c driver for OMAPx and AMxxxx platforms.
GPMC controller is used for parallel NAND flash devices, and can
do ECC calculation (not ECC error detection) for HAM1, BCH4, BCH8
and BCH16 ECC algorithms.
config NAND_OMAP_GPMC_PREFETCH
bool "Enable GPMC Prefetch"
depends on NAND_OMAP_GPMC
default y
help
On OMAP platforms that use the GPMC controller
(CONFIG_NAND_OMAP_GPMC_PREFETCH), this options enables the code that
uses the prefetch mode to speed up read operations.
config NAND_OMAP_ELM
bool "Enable ELM driver for OMAPxx and AMxx platforms."
depends on NAND_OMAP_GPMC && !OMAP34XX
help
ELM controller is used for ECC error detection (not ECC calculation)
of BCH4, BCH8 and BCH16 ECC algorithms.
Some legacy platforms like OMAP3xx do not have in-built ELM h/w engine,
thus such SoC platforms need to depend on software library for ECC error
detection. However ECC calculation on such plaforms would still be
done by GPMC controller.
config NAND_VF610_NFC
bool "Support for Freescale NFC for VF610"
select SYS_NAND_SELF_INIT
select SYS_NAND_DRIVER_ECC_LAYOUT
imply CMD_NAND
help
Enables support for NAND Flash Controller on some Freescale
processors like the VF610, MCF54418 or Kinetis K70.
The driver supports a maximum 2k page size. The driver
currently does not support hardware ECC.
if NAND_VF610_NFC
config NAND_VF610_NFC_DT
bool "Support Vybrid's vf610 NAND controller as a DT device"
depends on OF_CONTROL && DM_MTD
help
Enable the driver for Vybrid's vf610 NAND flash on platforms
using device tree.
choice
prompt "Hardware ECC strength"
depends on NAND_VF610_NFC
default SYS_NAND_VF610_NFC_45_ECC_BYTES
help
Select the ECC strength used in the hardware BCH ECC block.
config SYS_NAND_VF610_NFC_45_ECC_BYTES
bool "24-error correction (45 ECC bytes)"
config SYS_NAND_VF610_NFC_60_ECC_BYTES
bool "32-error correction (60 ECC bytes)"
endchoice
endif
config NAND_PXA3XX
bool "Support for NAND on PXA3xx and Armada 370/XP/38x"
select SYS_NAND_SELF_INIT
select DM_MTD
select REGMAP
select SYSCON
imply CMD_NAND
help
This enables the driver for the NAND flash device found on
PXA3xx processors (NFCv1) and also on Armada 370/XP (NFCv2).
config NAND_SUNXI
bool "Support for NAND on Allwinner SoCs"
default ARCH_SUNXI
depends on MACH_SUN4I || MACH_SUN5I || MACH_SUN7I || MACH_SUN8I
select SYS_NAND_SELF_INIT
select SYS_NAND_U_BOOT_LOCATIONS
select SPL_NAND_SUPPORT
imply CMD_NAND
---help---
Enable support for NAND. This option enables the standard and
SPL drivers.
The SPL driver only supports reading from the NAND using DMA
transfers.
if NAND_SUNXI
config NAND_SUNXI_SPL_ECC_STRENGTH
int "Allwinner NAND SPL ECC Strength"
default 64
config NAND_SUNXI_SPL_ECC_SIZE
int "Allwinner NAND SPL ECC Step Size"
default 1024
config NAND_SUNXI_SPL_USABLE_PAGE_SIZE
int "Allwinner NAND SPL Usable Page Size"
default 1024
endif
config NAND_ARASAN
bool "Configure Arasan Nand"
select SYS_NAND_SELF_INIT
depends on DM_MTD
imply CMD_NAND
help
This enables Nand driver support for Arasan nand flash
controller. This uses the hardware ECC for read and
write operations.
config NAND_MXC
bool "MXC NAND support"
depends on CPU_ARM926EJS || CPU_ARM1136 || MX5
imply CMD_NAND
help
This enables the NAND driver for the NAND flash controller on the
i.MX27 / i.MX31 / i.MX5 rocessors.
config NAND_MXS
bool "MXS NAND support"
depends on MX23 || MX28 || MX6 || MX7 || IMX8 || IMX8M
select SYS_NAND_SELF_INIT
imply CMD_NAND
select APBH_DMA
select APBH_DMA_BURST if ARCH_MX6 || ARCH_MX7 || ARCH_IMX8 || ARCH_IMX8M
select APBH_DMA_BURST8 if ARCH_MX6 || ARCH_MX7 || ARCH_IMX8 || ARCH_IMX8M
help
This enables NAND driver for the NAND flash controller on the
MXS processors.
if NAND_MXS
config NAND_MXS_DT
bool "Support MXS NAND controller as a DT device"
depends on OF_CONTROL && DM_MTD
help
Enable the driver for MXS NAND flash on platforms using
device tree.
config NAND_MXS_USE_MINIMUM_ECC
bool "Use minimum ECC strength supported by the controller"
default false
endif
config NAND_ZYNQ
bool "Support for Zynq Nand controller"
select SYS_NAND_SELF_INIT
select DM_MTD
imply CMD_NAND
help
This enables Nand driver support for Nand flash controller
found on Zynq SoC.
config NAND_ZYNQ_USE_BOOTLOADER1_TIMINGS
bool "Enable use of 1st stage bootloader timing for NAND"
depends on NAND_ZYNQ
help
This flag prevent U-boot reconfigure NAND flash controller and reuse
the NAND timing from 1st stage bootloader.
config NAND_OCTEONTX
bool "Support for OcteonTX NAND controller"
select SYS_NAND_SELF_INIT
imply CMD_NAND
help
This enables Nand flash controller hardware found on the OcteonTX
processors.
config NAND_OCTEONTX_HW_ECC
bool "Support Hardware ECC for OcteonTX NAND controller"
depends on NAND_OCTEONTX
default y
help
This enables Hardware BCH engine found on the OcteonTX processors to
support ECC for NAND flash controller.
config NAND_STM32_FMC2
bool "Support for NAND controller on STM32MP SoCs"
depends on ARCH_STM32MP
select SYS_NAND_SELF_INIT
imply CMD_NAND
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 CORTINA_NAND
bool "Support for NAND controller on Cortina-Access SoCs"
depends on CORTINA_PLATFORM
select SYS_NAND_SELF_INIT
select DM_MTD
imply CMD_NAND
help
Enables support for NAND Flash chips on Coartina-Access SoCs platform
This controller is found on Presidio/Venus SoCs.
The controller supports a maximum 8k page size and supports
a maximum 40-bit error correction per sector of 1024 bytes.
config ROCKCHIP_NAND
bool "Support for NAND controller on Rockchip SoCs"
depends on ARCH_ROCKCHIP
select SYS_NAND_SELF_INIT
select DM_MTD
imply CMD_NAND
help
Enables support for NAND Flash chips on Rockchip SoCs platform.
This controller is found on Rockchip SoCs.
There are four different versions of NAND FLASH Controllers,
including:
NFC v600: RK2928, RK3066, RK3188
NFC v622: RK3036, RK3128
NFC v800: RK3308, RV1108
NFC v900: PX30, RK3326
comment "Generic NAND options"
config SYS_NAND_BLOCK_SIZE
hex "NAND chip eraseblock size"
depends on ARCH_SUNXI || SPL_NAND_SUPPORT || TPL_NAND_SUPPORT
depends on !NAND_MXS_DT && !NAND_DENALI_DT && !NAND_LPC32XX_MLC
help
Number of data bytes in one eraseblock for the NAND chip on the
board. This is the multiple of NAND_PAGE_SIZE and the number of
pages.
config SYS_NAND_ONFI_DETECTION
bool "Enable detection of ONFI compliant devices during probe"
help
Enables detection of ONFI compliant devices during probe.
And fetching device parameters flashed on device, by parsing
ONFI parameter page.
config SYS_NAND_PAGE_COUNT
hex "NAND chip page count"
depends on SPL_NAND_SUPPORT && (NAND_ATMEL || NAND_MXC || \
SPL_NAND_AM33XX_BCH || SPL_NAND_LOAD || SPL_NAND_SIMPLE)
help
Number of pages in the NAND chip.
config SYS_NAND_PAGE_SIZE
hex "NAND chip page size"
depends on ARCH_SUNXI || NAND_OMAP_GPMC || NAND_LPC32XX_SLC || \
SPL_NAND_SIMPLE || (NAND_MXC && SPL_NAND_SUPPORT) || \
(NAND_ATMEL && SPL_NAND_SUPPORT) || SPL_GENERATE_ATMEL_PMECC_HEADER
depends on !NAND_MXS_DT && !NAND_DENALI_DT && !NAND_LPC32XX_MLC
help
Number of data bytes in one page for the NAND chip on the
board, not including the OOB area.
config SYS_NAND_OOBSIZE
hex "NAND chip OOB size"
depends on ARCH_SUNXI || NAND_OMAP_GPMC || NAND_LPC32XX_SLC || \
SPL_NAND_SIMPLE || (NAND_MXC && SPL_NAND_SUPPORT) || \
(NAND_ATMEL && SPL_NAND_SUPPORT) || SPL_GENERATE_ATMEL_PMECC_HEADER
depends on !NAND_MXS_DT && !NAND_DENALI_DT && !NAND_LPC32XX_MLC
help
Number of bytes in the Out-Of-Band area for the NAND chip on
the board.
# Enhance depends when converting drivers to Kconfig which use this config
# option (mxc_nand, ndfc, omap_gpmc).
config SYS_NAND_BUSWIDTH_16BIT
bool "Use 16-bit NAND interface"
depends on NAND_VF610_NFC || NAND_OMAP_GPMC || NAND_MXC || ARCH_DAVINCI
help
Indicates that NAND device has 16-bit wide data-bus. In absence of this
config, bus-width of NAND device is assumed to be either 8-bit and later
determined by reading ONFI params.
Above config is useful when NAND device's bus-width information cannot
be determined from on-chip ONFI params, like in following scenarios:
- SPL boot does not support reading of ONFI parameters. This is done to
keep SPL code foot-print small.
- In current U-Boot flow using nand_init(), driver initialization
happens in board_nand_init() which is called before any device probe
(nand_scan_ident + nand_scan_tail), thus device's ONFI parameters are
not available while configuring controller. So a static CONFIG_NAND_xx
is needed to know the device's bus-width in advance.
config SYS_NAND_MAX_CHIPS
int "NAND max chips"
default 1
depends on NAND_ARASAN
help
The maximum number of NAND chips per device to be supported.
if SPL
config SYS_NAND_5_ADDR_CYCLE
bool "Wait 5 address cycles during NAND commands"
depends on SPL_NAND_AM33XX_BCH || SPL_NAND_SIMPLE || \
(SPL_NAND_SUPPORT && NAND_ATMEL)
default y
help
Some controllers require waiting for 5 address cycles when issuing
some commands, on NAND chips larger than 128MiB.
choice
prompt "NAND bad block marker/indicator position in the OOB"
depends on SPL_NAND_AM33XX_BCH || SPL_NAND_DENALI || SPL_NAND_SIMPLE || \
SPL_NAND_SUPPORT && (NAND_ATMEL || NAND_MXC)
default HAS_NAND_LARGE_BADBLOCK_POS
help
In the OOB, which position contains the badblock information.
config HAS_NAND_LARGE_BADBLOCK_POS
bool "Set the bad block marker/indicator to the 'large' position"
config HAS_NAND_SMALL_BADBLOCK_POS
bool "Set the bad block marker/indicator to the 'small' position"
endchoice
config SYS_NAND_BAD_BLOCK_POS
int
default 0 if HAS_NAND_LARGE_BADBLOCK_POS
default 5 if HAS_NAND_SMALL_BADBLOCK_POS
config SYS_NAND_U_BOOT_LOCATIONS
bool "Define U-boot binaries locations in NAND"
help
Enable CONFIG_SYS_NAND_U_BOOT_OFFS though Kconfig.
This option should not be enabled when compiling U-boot for boards
defining CONFIG_SYS_NAND_U_BOOT_OFFS in their include/configs/<board>.h
file.
config SYS_NAND_U_BOOT_OFFS
hex "Location in NAND to read U-Boot from"
default 0x800000 if NAND_SUNXI
depends on SYS_NAND_U_BOOT_LOCATIONS
help
Set the offset from the start of the nand where u-boot should be
loaded from.
config SYS_NAND_U_BOOT_OFFS_REDUND
hex "Location in NAND to read U-Boot from"
default SYS_NAND_U_BOOT_OFFS
depends on SYS_NAND_U_BOOT_LOCATIONS
help
Set the offset from the start of the nand where the redundant u-boot
should be loaded from.
config SPL_NAND_AM33XX_BCH
bool "Enables SPL-NAND driver which supports ELM based"
depends on NAND_OMAP_GPMC && !OMAP34XX
default y
help
Hardware ECC correction. This is useful for platforms which have ELM
hardware engine and use NAND boot mode.
Some legacy platforms like OMAP3xx do not have in-built ELM h/w engine,
so those platforms should use CONFIG_SPL_NAND_SIMPLE for enabling
SPL-NAND driver with software ECC correction support.
config SPL_NAND_DENALI
bool "Support Denali NAND controller for SPL"
help
This is a small implementation of the Denali NAND controller
for use on SPL.
config NAND_DENALI_SPARE_AREA_SKIP_BYTES
int "Number of bytes skipped in OOB area"
depends on SPL_NAND_DENALI
range 0 63
help
This option specifies the number of bytes to skip from the beginning
of OOB area before last ECC sector data starts. This is potentially
used to preserve the bad block marker in the OOB area.
config SPL_NAND_SIMPLE
bool "Use simple SPL NAND driver"
depends on !SPL_NAND_AM33XX_BCH
help
Support for NAND boot using simple NAND drivers that
expose the cmd_ctrl() interface.
endif
endif # if NAND