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@@ -43,6 +43,34 @@ config NAND_DENALI_SPARE_AREA_SKIP_BYTES
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of OOB area before last ECC sector data starts. This is potentially
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used to preserve the bad block marker in the OOB area.
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+config NAND_OMAP_GPMC
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+ bool "Support OMAP GPMC NAND controller"
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+ depends on ARCH_OMAP2PLUS
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+ help
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+ Enables omap_gpmc.c driver for OMAPx and AMxxxx platforms.
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+ GPMC controller is used for parallel NAND flash devices, and can
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+ do ECC calculation (not ECC error detection) for HAM1, BCH4, BCH8
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+ and BCH16 ECC algorithms.
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+
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+config NAND_OMAP_GPMC_PREFETCH
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+ bool "Enable GPMC Prefetch"
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+ depends on NAND_OMAP_GPMC
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+ help
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+ On OMAP platforms that use the GPMC controller
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+ (CONFIG_NAND_OMAP_GPMC_PREFETCH), this options enables the code that
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+ uses the prefetch mode to speed up read operations.
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+
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+config NAND_OMAP_ELM
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+ bool "Enable ELM driver for OMAPxx and AMxx platforms."
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+ depends on NAND_OMAP_GPMC && !OMAP34XX
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+ help
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+ ELM controller is used for ECC error detection (not ECC calculation)
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+ of BCH4, BCH8 and BCH16 ECC algorithms.
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+ Some legacy platforms like OMAP3xx do not have in-built ELM h/w engine,
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+ thus such SoC platforms need to depend on software library for ECC error
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+ detection. However ECC calculation on such plaforms would still be
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+ done by GPMC controller.
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+
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config NAND_VF610_NFC
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bool "Support for Freescale NFC for VF610"
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select SYS_NAND_SELF_INIT
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@@ -112,6 +140,14 @@ config NAND_ARASAN
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controller. This uses the hardware ECC for read and
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write operations.
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+config NAND_MXC
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+ bool "MXC NAND support"
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+ depends on CPU_ARM926EJS || CPU_ARM1136 || MX5
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+ imply CMD_NAND
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+ help
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+ This enables the NAND driver for the NAND flash controller on the
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+ i.MX27 / i.MX31 / i.MX5 rocessors.
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+
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config NAND_MXS
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bool "MXS NAND support"
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depends on MX6 || MX7
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@@ -134,7 +170,7 @@ comment "Generic NAND options"
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# option (mxc_nand, ndfc, omap_gpmc).
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config SYS_NAND_BUSWIDTH_16BIT
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bool "Use 16-bit NAND interface"
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- depends on NAND_VF610_NFC
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+ depends on NAND_VF610_NFC || NAND_OMAP_GPMC || NAND_MXC || ARCH_DAVINCI
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help
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Indicates that NAND device has 16-bit wide data-bus. In absence of this
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config, bus-width of NAND device is assumed to be either 8-bit and later
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@@ -175,12 +211,29 @@ config SYS_NAND_U_BOOT_OFFS_REDUND
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Set the offset from the start of the nand where the redundant u-boot
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should be loaded from.
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+config SPL_NAND_AM33XX_BCH
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+ bool "Enables SPL-NAND driver which supports ELM based"
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+ depends on NAND_OMAP_GPMC && !OMAP34XX
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+ default y
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+ help
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+ Hardware ECC correction. This is useful for platforms which have ELM
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+ hardware engine and use NAND boot mode.
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+ Some legacy platforms like OMAP3xx do not have in-built ELM h/w engine,
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+ so those platforms should use CONFIG_SPL_NAND_SIMPLE for enabling
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+ SPL-NAND driver with software ECC correction support.
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+
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config SPL_NAND_DENALI
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bool "Support Denali NAND controller for SPL"
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help
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This is a small implementation of the Denali NAND controller
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for use on SPL.
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+config SPL_NAND_SIMPLE
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+ bool "Use simple SPL NAND driver"
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+ depends on !SPL_NAND_AM33XX_BCH
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+ help
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+ Support for NAND boot using simple NAND drivers that
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+ expose the cmd_ctrl() interface.
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endif
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endif # if NAND
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