rknand (Rockchip NAND FLASH drivers with FTL)
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Overview
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The rknand is used for Rockchip Soc NAND FLASH devices.

Status
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It supprot SLC and MLC NAND Flash with fully FTL.

Usage in U-Boot
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To list all of the rknand hard disks, try:

  => rknand info
  Device 0: Vendor: 0x2207 Rev: V1.00 Prod: rknand
	    Type: Hard Disk
	    Capacity: 7304.0 MB = 7.1 GB (14958592 x 512)

To find and initialize nand devices, try:
  => rknand dev 0
  Device 0: Vendor: 0x2207 Rev: V1.00 Prod: rknand
	    Type: Hard Disk
	    Capacity: 7304.0 MB = 7.1 GB (14958592 x 512)
... is now current device