NAND flavors, like serial and parallel, have a lot in common and would benefit to share code. Let's move raw (parallel) NAND specific code in a raw/ subdirectory, to ease the addition of a core file in nand/ and the introduction of a spi/ subdirectory specific to SPI NANDs.
Signed-off-by: Miquel Raynal miquel.raynal@bootlin.com --- drivers/mtd/Makefile | 2 + drivers/mtd/nand/Kconfig | 298 +------------------------- drivers/mtd/nand/Makefile | 76 +------ drivers/mtd/nand/raw/Kconfig | 297 +++++++++++++++++++++++++ drivers/mtd/nand/raw/Makefile | 77 +++++++ drivers/mtd/nand/{ => raw}/am335x_spl_bch.c | 0 drivers/mtd/nand/{ => raw}/arasan_nfc.c | 0 drivers/mtd/nand/{ => raw}/atmel_nand.c | 0 drivers/mtd/nand/{ => raw}/atmel_nand_ecc.h | 0 drivers/mtd/nand/{ => raw}/davinci_nand.c | 0 drivers/mtd/nand/{ => raw}/denali.c | 0 drivers/mtd/nand/{ => raw}/denali.h | 0 drivers/mtd/nand/{ => raw}/denali_dt.c | 0 drivers/mtd/nand/{ => raw}/denali_spl.c | 0 drivers/mtd/nand/{ => raw}/fsl_elbc_nand.c | 0 drivers/mtd/nand/{ => raw}/fsl_elbc_spl.c | 0 drivers/mtd/nand/{ => raw}/fsl_ifc_nand.c | 0 drivers/mtd/nand/{ => raw}/fsl_ifc_spl.c | 0 drivers/mtd/nand/{ => raw}/fsl_upm.c | 0 drivers/mtd/nand/{ => raw}/fsmc_nand.c | 0 drivers/mtd/nand/{ => raw}/kb9202_nand.c | 0 drivers/mtd/nand/{ => raw}/kirkwood_nand.c | 0 drivers/mtd/nand/{ => raw}/kmeter1_nand.c | 0 drivers/mtd/nand/{ => raw}/lpc32xx_nand_mlc.c | 0 drivers/mtd/nand/{ => raw}/lpc32xx_nand_slc.c | 0 drivers/mtd/nand/{ => raw}/mxc_nand.c | 0 drivers/mtd/nand/{ => raw}/mxc_nand.h | 0 drivers/mtd/nand/{ => raw}/mxc_nand_spl.c | 0 drivers/mtd/nand/{ => raw}/mxs_nand.c | 0 drivers/mtd/nand/{ => raw}/mxs_nand.h | 0 drivers/mtd/nand/{ => raw}/mxs_nand_dt.c | 0 drivers/mtd/nand/{ => raw}/mxs_nand_spl.c | 0 drivers/mtd/nand/{ => raw}/nand.c | 0 drivers/mtd/nand/{ => raw}/nand_base.c | 0 drivers/mtd/nand/{ => raw}/nand_bbt.c | 0 drivers/mtd/nand/{ => raw}/nand_bch.c | 0 drivers/mtd/nand/{ => raw}/nand_ecc.c | 0 drivers/mtd/nand/{ => raw}/nand_ids.c | 0 drivers/mtd/nand/{ => raw}/nand_plat.c | 0 drivers/mtd/nand/{ => raw}/nand_spl_load.c | 0 drivers/mtd/nand/{ => raw}/nand_spl_loaders.c | 0 drivers/mtd/nand/{ => raw}/nand_spl_simple.c | 0 drivers/mtd/nand/{ => raw}/nand_timings.c | 0 drivers/mtd/nand/{ => raw}/nand_util.c | 0 drivers/mtd/nand/{ => raw}/omap_elm.c | 0 drivers/mtd/nand/{ => raw}/omap_gpmc.c | 0 drivers/mtd/nand/{ => raw}/pxa3xx_nand.c | 0 drivers/mtd/nand/{ => raw}/pxa3xx_nand.h | 0 drivers/mtd/nand/{ => raw}/sunxi_nand.c | 0 drivers/mtd/nand/{ => raw}/sunxi_nand_spl.c | 0 drivers/mtd/nand/{ => raw}/tegra_nand.c | 0 drivers/mtd/nand/{ => raw}/tegra_nand.h | 0 drivers/mtd/nand/{ => raw}/vf610_nfc.c | 0 drivers/mtd/nand/{ => raw}/zynq_nand.c | 0 54 files changed, 378 insertions(+), 372 deletions(-) create mode 100644 drivers/mtd/nand/raw/Kconfig create mode 100644 drivers/mtd/nand/raw/Makefile rename drivers/mtd/nand/{ => raw}/am335x_spl_bch.c (100%) rename drivers/mtd/nand/{ => raw}/arasan_nfc.c (100%) rename drivers/mtd/nand/{ => raw}/atmel_nand.c (100%) rename drivers/mtd/nand/{ => raw}/atmel_nand_ecc.h (100%) rename drivers/mtd/nand/{ => raw}/davinci_nand.c (100%) rename drivers/mtd/nand/{ => raw}/denali.c (100%) rename drivers/mtd/nand/{ => raw}/denali.h (100%) rename drivers/mtd/nand/{ => raw}/denali_dt.c (100%) rename drivers/mtd/nand/{ => raw}/denali_spl.c (100%) rename drivers/mtd/nand/{ => raw}/fsl_elbc_nand.c (100%) rename drivers/mtd/nand/{ => raw}/fsl_elbc_spl.c (100%) rename drivers/mtd/nand/{ => raw}/fsl_ifc_nand.c (100%) rename drivers/mtd/nand/{ => raw}/fsl_ifc_spl.c (100%) rename drivers/mtd/nand/{ => raw}/fsl_upm.c (100%) rename drivers/mtd/nand/{ => raw}/fsmc_nand.c (100%) rename drivers/mtd/nand/{ => raw}/kb9202_nand.c (100%) rename drivers/mtd/nand/{ => raw}/kirkwood_nand.c (100%) rename drivers/mtd/nand/{ => raw}/kmeter1_nand.c (100%) rename drivers/mtd/nand/{ => raw}/lpc32xx_nand_mlc.c (100%) rename drivers/mtd/nand/{ => raw}/lpc32xx_nand_slc.c (100%) rename drivers/mtd/nand/{ => raw}/mxc_nand.c (100%) rename drivers/mtd/nand/{ => raw}/mxc_nand.h (100%) rename drivers/mtd/nand/{ => raw}/mxc_nand_spl.c (100%) rename drivers/mtd/nand/{ => raw}/mxs_nand.c (100%) rename drivers/mtd/nand/{ => raw}/mxs_nand.h (100%) rename drivers/mtd/nand/{ => raw}/mxs_nand_dt.c (100%) rename drivers/mtd/nand/{ => raw}/mxs_nand_spl.c (100%) rename drivers/mtd/nand/{ => raw}/nand.c (100%) rename drivers/mtd/nand/{ => raw}/nand_base.c (100%) rename drivers/mtd/nand/{ => raw}/nand_bbt.c (100%) rename drivers/mtd/nand/{ => raw}/nand_bch.c (100%) rename drivers/mtd/nand/{ => raw}/nand_ecc.c (100%) rename drivers/mtd/nand/{ => raw}/nand_ids.c (100%) rename drivers/mtd/nand/{ => raw}/nand_plat.c (100%) rename drivers/mtd/nand/{ => raw}/nand_spl_load.c (100%) rename drivers/mtd/nand/{ => raw}/nand_spl_loaders.c (100%) rename drivers/mtd/nand/{ => raw}/nand_spl_simple.c (100%) rename drivers/mtd/nand/{ => raw}/nand_timings.c (100%) rename drivers/mtd/nand/{ => raw}/nand_util.c (100%) rename drivers/mtd/nand/{ => raw}/omap_elm.c (100%) rename drivers/mtd/nand/{ => raw}/omap_gpmc.c (100%) rename drivers/mtd/nand/{ => raw}/pxa3xx_nand.c (100%) rename drivers/mtd/nand/{ => raw}/pxa3xx_nand.h (100%) rename drivers/mtd/nand/{ => raw}/sunxi_nand.c (100%) rename drivers/mtd/nand/{ => raw}/sunxi_nand_spl.c (100%) rename drivers/mtd/nand/{ => raw}/tegra_nand.c (100%) rename drivers/mtd/nand/{ => raw}/tegra_nand.h (100%) rename drivers/mtd/nand/{ => raw}/vf610_nfc.c (100%) rename drivers/mtd/nand/{ => raw}/zynq_nand.c (100%)
diff --git a/drivers/mtd/Makefile b/drivers/mtd/Makefile index 9cec06510c..cdf515256a 100644 --- a/drivers/mtd/Makefile +++ b/drivers/mtd/Makefile @@ -18,3 +18,5 @@ obj-$(CONFIG_FLASH_PIC32) += pic32_flash.o obj-$(CONFIG_ST_SMI) += st_smi.o obj-$(CONFIG_STM32_FLASH) += stm32_flash.o obj-$(CONFIG_RENESAS_RPC_HF) += renesas_rpc_hf.o + +obj-y += nand/ 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" diff --git a/drivers/mtd/nand/Makefile b/drivers/mtd/nand/Makefile index c61e3f3839..8b2d0e118d 100644 --- a/drivers/mtd/nand/Makefile +++ b/drivers/mtd/nand/Makefile @@ -1,77 +1,3 @@ # SPDX-License-Identifier: GPL-2.0+ -# -# (C) Copyright 2006 -# Wolfgang Denk, DENX Software Engineering, wd@denx.de.
-ifdef CONFIG_SPL_BUILD - -ifdef CONFIG_SPL_NAND_DRIVERS -NORMAL_DRIVERS=y -endif - -obj-$(CONFIG_SPL_NAND_AM33XX_BCH) += am335x_spl_bch.o -obj-$(CONFIG_SPL_NAND_DENALI) += denali_spl.o -obj-$(CONFIG_SPL_NAND_SIMPLE) += nand_spl_simple.o -obj-$(CONFIG_SPL_NAND_LOAD) += nand_spl_load.o -obj-$(CONFIG_SPL_NAND_ECC) += nand_ecc.o -obj-$(CONFIG_SPL_NAND_BASE) += nand_base.o -obj-$(CONFIG_SPL_NAND_IDENT) += nand_ids.o nand_timings.o -obj-$(CONFIG_SPL_NAND_INIT) += nand.o -ifeq ($(CONFIG_SPL_ENV_SUPPORT),y) -obj-$(CONFIG_ENV_IS_IN_NAND) += nand_util.o -endif - -else # not spl - -NORMAL_DRIVERS=y - -obj-y += nand.o -obj-y += nand_bbt.o -obj-y += nand_ids.o -obj-y += nand_util.o -obj-y += nand_ecc.o -obj-y += nand_base.o -obj-y += nand_timings.o - -endif # not spl - -ifdef NORMAL_DRIVERS - -obj-$(CONFIG_NAND_ECC_BCH) += nand_bch.o - -obj-$(CONFIG_NAND_ATMEL) += atmel_nand.o -obj-$(CONFIG_NAND_ARASAN) += arasan_nfc.o -obj-$(CONFIG_NAND_DAVINCI) += davinci_nand.o -obj-$(CONFIG_NAND_DENALI) += denali.o -obj-$(CONFIG_NAND_DENALI_DT) += denali_dt.o -obj-$(CONFIG_NAND_FSL_ELBC) += fsl_elbc_nand.o -obj-$(CONFIG_NAND_FSL_IFC) += fsl_ifc_nand.o -obj-$(CONFIG_NAND_FSL_UPM) += fsl_upm.o -obj-$(CONFIG_NAND_FSMC) += fsmc_nand.o -obj-$(CONFIG_NAND_KB9202) += kb9202_nand.o -obj-$(CONFIG_NAND_KIRKWOOD) += kirkwood_nand.o -obj-$(CONFIG_NAND_KMETER1) += kmeter1_nand.o -obj-$(CONFIG_NAND_LPC32XX_MLC) += lpc32xx_nand_mlc.o -obj-$(CONFIG_NAND_LPC32XX_SLC) += lpc32xx_nand_slc.o -obj-$(CONFIG_NAND_VF610_NFC) += vf610_nfc.o -obj-$(CONFIG_NAND_MXC) += mxc_nand.o -obj-$(CONFIG_NAND_MXS) += mxs_nand.o -obj-$(CONFIG_NAND_MXS_DT) += mxs_nand_dt.o -obj-$(CONFIG_NAND_PXA3XX) += pxa3xx_nand.o -obj-$(CONFIG_NAND_SPEAR) += spr_nand.o -obj-$(CONFIG_TEGRA_NAND) += tegra_nand.o -obj-$(CONFIG_NAND_OMAP_GPMC) += omap_gpmc.o -obj-$(CONFIG_NAND_OMAP_ELM) += omap_elm.o -obj-$(CONFIG_NAND_PLAT) += nand_plat.o -obj-$(CONFIG_NAND_SUNXI) += sunxi_nand.o -obj-$(CONFIG_NAND_ZYNQ) += zynq_nand.o - -else # minimal SPL drivers - -obj-$(CONFIG_NAND_FSL_ELBC) += fsl_elbc_spl.o -obj-$(CONFIG_NAND_FSL_IFC) += fsl_ifc_spl.o -obj-$(CONFIG_NAND_MXC) += mxc_nand_spl.o -obj-$(CONFIG_NAND_MXS) += mxs_nand_spl.o mxs_nand.o -obj-$(CONFIG_NAND_SUNXI) += sunxi_nand_spl.o - -endif # drivers +obj-$(CONFIG_MTD_NAND) += raw/ diff --git a/drivers/mtd/nand/raw/Kconfig b/drivers/mtd/nand/raw/Kconfig new file mode 100644 index 0000000000..1e4ea7bdd4 --- /dev/null +++ b/drivers/mtd/nand/raw/Kconfig @@ -0,0 +1,297 @@ + +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 diff --git a/drivers/mtd/nand/raw/Makefile b/drivers/mtd/nand/raw/Makefile new file mode 100644 index 0000000000..c61e3f3839 --- /dev/null +++ b/drivers/mtd/nand/raw/Makefile @@ -0,0 +1,77 @@ +# SPDX-License-Identifier: GPL-2.0+ +# +# (C) Copyright 2006 +# Wolfgang Denk, DENX Software Engineering, wd@denx.de. + +ifdef CONFIG_SPL_BUILD + +ifdef CONFIG_SPL_NAND_DRIVERS +NORMAL_DRIVERS=y +endif + +obj-$(CONFIG_SPL_NAND_AM33XX_BCH) += am335x_spl_bch.o +obj-$(CONFIG_SPL_NAND_DENALI) += denali_spl.o +obj-$(CONFIG_SPL_NAND_SIMPLE) += nand_spl_simple.o +obj-$(CONFIG_SPL_NAND_LOAD) += nand_spl_load.o +obj-$(CONFIG_SPL_NAND_ECC) += nand_ecc.o +obj-$(CONFIG_SPL_NAND_BASE) += nand_base.o +obj-$(CONFIG_SPL_NAND_IDENT) += nand_ids.o nand_timings.o +obj-$(CONFIG_SPL_NAND_INIT) += nand.o +ifeq ($(CONFIG_SPL_ENV_SUPPORT),y) +obj-$(CONFIG_ENV_IS_IN_NAND) += nand_util.o +endif + +else # not spl + +NORMAL_DRIVERS=y + +obj-y += nand.o +obj-y += nand_bbt.o +obj-y += nand_ids.o +obj-y += nand_util.o +obj-y += nand_ecc.o +obj-y += nand_base.o +obj-y += nand_timings.o + +endif # not spl + +ifdef NORMAL_DRIVERS + +obj-$(CONFIG_NAND_ECC_BCH) += nand_bch.o + +obj-$(CONFIG_NAND_ATMEL) += atmel_nand.o +obj-$(CONFIG_NAND_ARASAN) += arasan_nfc.o +obj-$(CONFIG_NAND_DAVINCI) += davinci_nand.o +obj-$(CONFIG_NAND_DENALI) += denali.o +obj-$(CONFIG_NAND_DENALI_DT) += denali_dt.o +obj-$(CONFIG_NAND_FSL_ELBC) += fsl_elbc_nand.o +obj-$(CONFIG_NAND_FSL_IFC) += fsl_ifc_nand.o +obj-$(CONFIG_NAND_FSL_UPM) += fsl_upm.o +obj-$(CONFIG_NAND_FSMC) += fsmc_nand.o +obj-$(CONFIG_NAND_KB9202) += kb9202_nand.o +obj-$(CONFIG_NAND_KIRKWOOD) += kirkwood_nand.o +obj-$(CONFIG_NAND_KMETER1) += kmeter1_nand.o +obj-$(CONFIG_NAND_LPC32XX_MLC) += lpc32xx_nand_mlc.o +obj-$(CONFIG_NAND_LPC32XX_SLC) += lpc32xx_nand_slc.o +obj-$(CONFIG_NAND_VF610_NFC) += vf610_nfc.o +obj-$(CONFIG_NAND_MXC) += mxc_nand.o +obj-$(CONFIG_NAND_MXS) += mxs_nand.o +obj-$(CONFIG_NAND_MXS_DT) += mxs_nand_dt.o +obj-$(CONFIG_NAND_PXA3XX) += pxa3xx_nand.o +obj-$(CONFIG_NAND_SPEAR) += spr_nand.o +obj-$(CONFIG_TEGRA_NAND) += tegra_nand.o +obj-$(CONFIG_NAND_OMAP_GPMC) += omap_gpmc.o +obj-$(CONFIG_NAND_OMAP_ELM) += omap_elm.o +obj-$(CONFIG_NAND_PLAT) += nand_plat.o +obj-$(CONFIG_NAND_SUNXI) += sunxi_nand.o +obj-$(CONFIG_NAND_ZYNQ) += zynq_nand.o + +else # minimal SPL drivers + +obj-$(CONFIG_NAND_FSL_ELBC) += fsl_elbc_spl.o +obj-$(CONFIG_NAND_FSL_IFC) += fsl_ifc_spl.o +obj-$(CONFIG_NAND_MXC) += mxc_nand_spl.o +obj-$(CONFIG_NAND_MXS) += mxs_nand_spl.o mxs_nand.o +obj-$(CONFIG_NAND_SUNXI) += sunxi_nand_spl.o + +endif # drivers diff --git a/drivers/mtd/nand/am335x_spl_bch.c b/drivers/mtd/nand/raw/am335x_spl_bch.c similarity index 100% rename from drivers/mtd/nand/am335x_spl_bch.c rename to drivers/mtd/nand/raw/am335x_spl_bch.c diff --git a/drivers/mtd/nand/arasan_nfc.c b/drivers/mtd/nand/raw/arasan_nfc.c similarity index 100% rename from drivers/mtd/nand/arasan_nfc.c rename to drivers/mtd/nand/raw/arasan_nfc.c diff --git a/drivers/mtd/nand/atmel_nand.c b/drivers/mtd/nand/raw/atmel_nand.c similarity index 100% rename from drivers/mtd/nand/atmel_nand.c rename to drivers/mtd/nand/raw/atmel_nand.c diff --git a/drivers/mtd/nand/atmel_nand_ecc.h b/drivers/mtd/nand/raw/atmel_nand_ecc.h similarity index 100% rename from drivers/mtd/nand/atmel_nand_ecc.h rename to drivers/mtd/nand/raw/atmel_nand_ecc.h diff --git a/drivers/mtd/nand/davinci_nand.c b/drivers/mtd/nand/raw/davinci_nand.c similarity index 100% rename from drivers/mtd/nand/davinci_nand.c rename to drivers/mtd/nand/raw/davinci_nand.c diff --git a/drivers/mtd/nand/denali.c b/drivers/mtd/nand/raw/denali.c similarity index 100% rename from drivers/mtd/nand/denali.c rename to drivers/mtd/nand/raw/denali.c diff --git a/drivers/mtd/nand/denali.h b/drivers/mtd/nand/raw/denali.h similarity index 100% rename from drivers/mtd/nand/denali.h rename to drivers/mtd/nand/raw/denali.h diff --git a/drivers/mtd/nand/denali_dt.c b/drivers/mtd/nand/raw/denali_dt.c similarity index 100% rename from drivers/mtd/nand/denali_dt.c rename to drivers/mtd/nand/raw/denali_dt.c diff --git a/drivers/mtd/nand/denali_spl.c b/drivers/mtd/nand/raw/denali_spl.c similarity index 100% rename from drivers/mtd/nand/denali_spl.c rename to drivers/mtd/nand/raw/denali_spl.c diff --git a/drivers/mtd/nand/fsl_elbc_nand.c b/drivers/mtd/nand/raw/fsl_elbc_nand.c similarity index 100% rename from drivers/mtd/nand/fsl_elbc_nand.c rename to drivers/mtd/nand/raw/fsl_elbc_nand.c diff --git a/drivers/mtd/nand/fsl_elbc_spl.c b/drivers/mtd/nand/raw/fsl_elbc_spl.c similarity index 100% rename from drivers/mtd/nand/fsl_elbc_spl.c rename to drivers/mtd/nand/raw/fsl_elbc_spl.c diff --git a/drivers/mtd/nand/fsl_ifc_nand.c b/drivers/mtd/nand/raw/fsl_ifc_nand.c similarity index 100% rename from drivers/mtd/nand/fsl_ifc_nand.c rename to drivers/mtd/nand/raw/fsl_ifc_nand.c diff --git a/drivers/mtd/nand/fsl_ifc_spl.c b/drivers/mtd/nand/raw/fsl_ifc_spl.c similarity index 100% rename from drivers/mtd/nand/fsl_ifc_spl.c rename to drivers/mtd/nand/raw/fsl_ifc_spl.c diff --git a/drivers/mtd/nand/fsl_upm.c b/drivers/mtd/nand/raw/fsl_upm.c similarity index 100% rename from drivers/mtd/nand/fsl_upm.c rename to drivers/mtd/nand/raw/fsl_upm.c diff --git a/drivers/mtd/nand/fsmc_nand.c b/drivers/mtd/nand/raw/fsmc_nand.c similarity index 100% rename from drivers/mtd/nand/fsmc_nand.c rename to drivers/mtd/nand/raw/fsmc_nand.c diff --git a/drivers/mtd/nand/kb9202_nand.c b/drivers/mtd/nand/raw/kb9202_nand.c similarity index 100% rename from drivers/mtd/nand/kb9202_nand.c rename to drivers/mtd/nand/raw/kb9202_nand.c diff --git a/drivers/mtd/nand/kirkwood_nand.c b/drivers/mtd/nand/raw/kirkwood_nand.c similarity index 100% rename from drivers/mtd/nand/kirkwood_nand.c rename to drivers/mtd/nand/raw/kirkwood_nand.c diff --git a/drivers/mtd/nand/kmeter1_nand.c b/drivers/mtd/nand/raw/kmeter1_nand.c similarity index 100% rename from drivers/mtd/nand/kmeter1_nand.c rename to drivers/mtd/nand/raw/kmeter1_nand.c diff --git a/drivers/mtd/nand/lpc32xx_nand_mlc.c b/drivers/mtd/nand/raw/lpc32xx_nand_mlc.c similarity index 100% rename from drivers/mtd/nand/lpc32xx_nand_mlc.c rename to drivers/mtd/nand/raw/lpc32xx_nand_mlc.c diff --git a/drivers/mtd/nand/lpc32xx_nand_slc.c b/drivers/mtd/nand/raw/lpc32xx_nand_slc.c similarity index 100% rename from drivers/mtd/nand/lpc32xx_nand_slc.c rename to drivers/mtd/nand/raw/lpc32xx_nand_slc.c diff --git a/drivers/mtd/nand/mxc_nand.c b/drivers/mtd/nand/raw/mxc_nand.c similarity index 100% rename from drivers/mtd/nand/mxc_nand.c rename to drivers/mtd/nand/raw/mxc_nand.c diff --git a/drivers/mtd/nand/mxc_nand.h b/drivers/mtd/nand/raw/mxc_nand.h similarity index 100% rename from drivers/mtd/nand/mxc_nand.h rename to drivers/mtd/nand/raw/mxc_nand.h diff --git a/drivers/mtd/nand/mxc_nand_spl.c b/drivers/mtd/nand/raw/mxc_nand_spl.c similarity index 100% rename from drivers/mtd/nand/mxc_nand_spl.c rename to drivers/mtd/nand/raw/mxc_nand_spl.c diff --git a/drivers/mtd/nand/mxs_nand.c b/drivers/mtd/nand/raw/mxs_nand.c similarity index 100% rename from drivers/mtd/nand/mxs_nand.c rename to drivers/mtd/nand/raw/mxs_nand.c diff --git a/drivers/mtd/nand/mxs_nand.h b/drivers/mtd/nand/raw/mxs_nand.h similarity index 100% rename from drivers/mtd/nand/mxs_nand.h rename to drivers/mtd/nand/raw/mxs_nand.h diff --git a/drivers/mtd/nand/mxs_nand_dt.c b/drivers/mtd/nand/raw/mxs_nand_dt.c similarity index 100% rename from drivers/mtd/nand/mxs_nand_dt.c rename to drivers/mtd/nand/raw/mxs_nand_dt.c diff --git a/drivers/mtd/nand/mxs_nand_spl.c b/drivers/mtd/nand/raw/mxs_nand_spl.c similarity index 100% rename from drivers/mtd/nand/mxs_nand_spl.c rename to drivers/mtd/nand/raw/mxs_nand_spl.c diff --git a/drivers/mtd/nand/nand.c b/drivers/mtd/nand/raw/nand.c similarity index 100% rename from drivers/mtd/nand/nand.c rename to drivers/mtd/nand/raw/nand.c diff --git a/drivers/mtd/nand/nand_base.c b/drivers/mtd/nand/raw/nand_base.c similarity index 100% rename from drivers/mtd/nand/nand_base.c rename to drivers/mtd/nand/raw/nand_base.c diff --git a/drivers/mtd/nand/nand_bbt.c b/drivers/mtd/nand/raw/nand_bbt.c similarity index 100% rename from drivers/mtd/nand/nand_bbt.c rename to drivers/mtd/nand/raw/nand_bbt.c diff --git a/drivers/mtd/nand/nand_bch.c b/drivers/mtd/nand/raw/nand_bch.c similarity index 100% rename from drivers/mtd/nand/nand_bch.c rename to drivers/mtd/nand/raw/nand_bch.c diff --git a/drivers/mtd/nand/nand_ecc.c b/drivers/mtd/nand/raw/nand_ecc.c similarity index 100% rename from drivers/mtd/nand/nand_ecc.c rename to drivers/mtd/nand/raw/nand_ecc.c diff --git a/drivers/mtd/nand/nand_ids.c b/drivers/mtd/nand/raw/nand_ids.c similarity index 100% rename from drivers/mtd/nand/nand_ids.c rename to drivers/mtd/nand/raw/nand_ids.c diff --git a/drivers/mtd/nand/nand_plat.c b/drivers/mtd/nand/raw/nand_plat.c similarity index 100% rename from drivers/mtd/nand/nand_plat.c rename to drivers/mtd/nand/raw/nand_plat.c diff --git a/drivers/mtd/nand/nand_spl_load.c b/drivers/mtd/nand/raw/nand_spl_load.c similarity index 100% rename from drivers/mtd/nand/nand_spl_load.c rename to drivers/mtd/nand/raw/nand_spl_load.c diff --git a/drivers/mtd/nand/nand_spl_loaders.c b/drivers/mtd/nand/raw/nand_spl_loaders.c similarity index 100% rename from drivers/mtd/nand/nand_spl_loaders.c rename to drivers/mtd/nand/raw/nand_spl_loaders.c diff --git a/drivers/mtd/nand/nand_spl_simple.c b/drivers/mtd/nand/raw/nand_spl_simple.c similarity index 100% rename from drivers/mtd/nand/nand_spl_simple.c rename to drivers/mtd/nand/raw/nand_spl_simple.c diff --git a/drivers/mtd/nand/nand_timings.c b/drivers/mtd/nand/raw/nand_timings.c similarity index 100% rename from drivers/mtd/nand/nand_timings.c rename to drivers/mtd/nand/raw/nand_timings.c diff --git a/drivers/mtd/nand/nand_util.c b/drivers/mtd/nand/raw/nand_util.c similarity index 100% rename from drivers/mtd/nand/nand_util.c rename to drivers/mtd/nand/raw/nand_util.c diff --git a/drivers/mtd/nand/omap_elm.c b/drivers/mtd/nand/raw/omap_elm.c similarity index 100% rename from drivers/mtd/nand/omap_elm.c rename to drivers/mtd/nand/raw/omap_elm.c diff --git a/drivers/mtd/nand/omap_gpmc.c b/drivers/mtd/nand/raw/omap_gpmc.c similarity index 100% rename from drivers/mtd/nand/omap_gpmc.c rename to drivers/mtd/nand/raw/omap_gpmc.c diff --git a/drivers/mtd/nand/pxa3xx_nand.c b/drivers/mtd/nand/raw/pxa3xx_nand.c similarity index 100% rename from drivers/mtd/nand/pxa3xx_nand.c rename to drivers/mtd/nand/raw/pxa3xx_nand.c diff --git a/drivers/mtd/nand/pxa3xx_nand.h b/drivers/mtd/nand/raw/pxa3xx_nand.h similarity index 100% rename from drivers/mtd/nand/pxa3xx_nand.h rename to drivers/mtd/nand/raw/pxa3xx_nand.h diff --git a/drivers/mtd/nand/sunxi_nand.c b/drivers/mtd/nand/raw/sunxi_nand.c similarity index 100% rename from drivers/mtd/nand/sunxi_nand.c rename to drivers/mtd/nand/raw/sunxi_nand.c diff --git a/drivers/mtd/nand/sunxi_nand_spl.c b/drivers/mtd/nand/raw/sunxi_nand_spl.c similarity index 100% rename from drivers/mtd/nand/sunxi_nand_spl.c rename to drivers/mtd/nand/raw/sunxi_nand_spl.c diff --git a/drivers/mtd/nand/tegra_nand.c b/drivers/mtd/nand/raw/tegra_nand.c similarity index 100% rename from drivers/mtd/nand/tegra_nand.c rename to drivers/mtd/nand/raw/tegra_nand.c diff --git a/drivers/mtd/nand/tegra_nand.h b/drivers/mtd/nand/raw/tegra_nand.h similarity index 100% rename from drivers/mtd/nand/tegra_nand.h rename to drivers/mtd/nand/raw/tegra_nand.h diff --git a/drivers/mtd/nand/vf610_nfc.c b/drivers/mtd/nand/raw/vf610_nfc.c similarity index 100% rename from drivers/mtd/nand/vf610_nfc.c rename to drivers/mtd/nand/raw/vf610_nfc.c diff --git a/drivers/mtd/nand/zynq_nand.c b/drivers/mtd/nand/raw/zynq_nand.c similarity index 100% rename from drivers/mtd/nand/zynq_nand.c rename to drivers/mtd/nand/raw/zynq_nand.c