diff options
Diffstat (limited to 'drivers/mtd')
| -rw-r--r-- | drivers/mtd/nand/Kconfig | 55 |
1 files changed, 54 insertions, 1 deletions
diff --git a/drivers/mtd/nand/Kconfig b/drivers/mtd/nand/Kconfig index 85b26d6088..794410a152 100644 --- a/drivers/mtd/nand/Kconfig +++ b/drivers/mtd/nand/Kconfig @@ -43,6 +43,34 @@ config NAND_DENALI_SPARE_AREA_SKIP_BYTES 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 + 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 @@ -112,6 +140,14 @@ config NAND_ARASAN 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 || MX7 @@ -134,7 +170,7 @@ comment "Generic NAND options" # 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 @@ -175,12 +211,29 @@ config SYS_NAND_U_BOOT_OFFS_REDUND 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 endif # if NAND |