diff options
Diffstat (limited to 'drivers/mtd/nand/Kconfig')
| -rw-r--r-- | drivers/mtd/nand/Kconfig | 298 |
1 files changed, 1 insertions, 297 deletions
diff --git a/drivers/mtd/nand/Kconfig b/drivers/mtd/nand/Kconfig index 1e4ea7bdd4..6d53734718 100644 --- a/drivers/mtd/nand/Kconfig +++ b/drivers/mtd/nand/Kconfig @@ -1,297 +1 @@ - -menuconfig NAND - bool "NAND Device Support" -if NAND - -config SYS_NAND_SELF_INIT - bool - help - This option, if enabled, provides more flexible and linux-like - NAND initialization process. - -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. - -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 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 - help - 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" - depends on 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 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 - 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. - -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 - -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). - -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 - 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 - select SYS_NAND_SELF_INIT - imply CMD_NAND - select APBH_DMA - select APBH_DMA_BURST if ARCH_MX6 || ARCH_MX7 - select APBH_DMA_BURST8 if ARCH_MX6 || ARCH_MX7 - 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 && 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 - 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" - -config SYS_NAND_BLOCK_SIZE - hex "NAND chip eraseblock size" - depends on ARCH_SUNXI - 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_PAGE_SIZE - hex "NAND chip page size" - depends on ARCH_SUNXI - 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 - 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. - -if SPL - -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 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 +source "drivers/mtd/nand/raw/Kconfig" |