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| author | Stefan Agner <stefan@agner.ch> | 2015-05-08 19:07:11 +0200 |
|---|---|---|
| committer | Scott Wood <scottwood@freescale.com> | 2015-05-24 14:27:28 -0500 |
| commit | 5519194d4f6ba3c1aeea2f07f444cc936913560a (patch) | |
| tree | 2667e696bf6336145ef94b50c5278713e3e36c59 /drivers | |
| parent | 84d656a2836021c3707172707245ba3d87bd54c8 (diff) | |
| download | talos-obmc-uboot-5519194d4f6ba3c1aeea2f07f444cc936913560a.tar.gz talos-obmc-uboot-5519194d4f6ba3c1aeea2f07f444cc936913560a.zip | |
mtd: vf610_nfc: add Freescale NFC controller configs to Kconfig
This commit allows users to enable/disable the Freescale NFC
controller found in systems like Vybrid (VF610), MPC5125, MCF54418
or Kinetis K70 via Kconfig with more detailed help docs.
Signed-off-by: Stefan Agner <stefan@agner.ch>
Acked-by: Stefano Babic <sbabic@denx.de>
[scottwood: updated vf610twr_nand_defconfig]
Signed-off-by: Scott Wood <scottwood@freescale.com>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/mtd/nand/Kconfig | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/drivers/mtd/nand/Kconfig b/drivers/mtd/nand/Kconfig index 72825c3e2e..0a9e96f60a 100644 --- a/drivers/mtd/nand/Kconfig +++ b/drivers/mtd/nand/Kconfig @@ -32,6 +32,36 @@ 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_VF610_NFC + bool "Support for Freescale NFC for VF610/MPC5125" + select SYS_NAND_SELF_INIT + help + Enables support for NAND Flash Controller on some Freescale + processors like the VF610, MPC5125, MCF54418 or Kinetis K70. + The driver supports a maximum 2k page size. The driver + currently does not support hardware ECC. + +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 + 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 SPL_NAND_DENALI |
