请问各位大佬,为啥没有rknand erase命令啊

=> rknand
rknand - rockchip nand flash sub-system

Usage:
rknand scan - scan Nand devices
rknand info - show all available Nand devices
rknand device [dev] - show or set current Nand device
rknand part [dev] - print partition table of one or all Nand devices
rknand read addr blk# cnt - read cnt' blocks starting at block blk#’ to memory address addr' rknand write addr blk# cnt - write cnt’ blocks starting at block
blk#' from memory address addr’