-menu "NAND Device Support"
+
+menuconfig NAND
+ bool "NAND Device Support"
+if NAND
config SYS_NAND_SELF_INIT
bool
NAND initialization process.
config NAND_DENALI
- bool "Support Denali NAND controller"
+ bool
select SYS_NAND_SELF_INIT
- help
- Enable support for the Denali NAND controller.
+ imply CMD_NAND
-config SYS_NAND_DENALI_64BIT
- bool "Use 64-bit variant of Denali NAND controller"
- depends on NAND_DENALI
+config NAND_DENALI_DT
+ bool "Support Denali NAND controller as a DT device"
+ select NAND_DENALI
+ depends on OF_CONTROL && DM
help
- The Denali NAND controller IP has some variations in terms of
- the bus interface. The DMA setup sequence is completely differenct
- between 32bit / 64bit AXI bus variants.
-
- If your Denali NAND controller is the 64-bit variant, say Y.
- Otherwise (32 bit), say N.
+ Enable the driver for NAND flash on platforms using a Denali NAND
+ controller as a DT device.
config NAND_DENALI_SPARE_AREA_SKIP_BYTES
int "Number of bytes skipped in OOB area"
of OOB area before last ECC sector data starts. This is potentially
used to preserve the bad block marker in the OOB area.
+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/MPC5125"
+ bool "Support for Freescale NFC for VF610"
select SYS_NAND_SELF_INIT
+ imply CMD_NAND
help
Enables support for NAND Flash Controller on some Freescale
- processors like the VF610, MPC5125, MCF54418 or Kinetis K70.
+ processors like the VF610, MCF54418 or Kinetis K70.
The driver supports a maximum 2k page size. The driver
currently does not support hardware ECC.
config NAND_PXA3XX
bool "Support for NAND on PXA3xx and Armada 370/XP/38x"
select SYS_NAND_SELF_INIT
+ 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).
bool "Support for NAND on Allwinner SoCs"
depends on MACH_SUN4I || MACH_SUN5I || MACH_SUN7I
select SYS_NAND_SELF_INIT
+ select SYS_NAND_U_BOOT_LOCATIONS
+ 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
+ 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 MX6
+ depends on MX6 || MX7
+ imply CMD_NAND
help
This enables NAND driver for the NAND flash controller on the
MXS processors.
config NAND_ZYNQ
bool "Support for Zynq Nand controller"
select SYS_NAND_SELF_INIT
+ 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.
+
comment "Generic NAND options"
# 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
+ 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
config SYS_NAND_U_BOOT_OFFS
hex "Location in NAND to read U-Boot from"
- default 0x8000 if NAND_SUNXI
+ 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
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 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
-endmenu
+endif # if NAND
projects / oweals / u-boot.git / blobdiff