nand eraseblock

nand eraseblock
	225.9. NAND manipulation commands

Name

nand eraseblock — Erase a specific NAND block

nand eraseblock -d <device> -b <block> [-n <count>]

-b block

The block number to erase (or, if -n is given, the first block).

	Note
	Block numbers to this command are device block numbers, with 0 meaning the first block on the device.

-n count

The number of blocks to erase. This defaults to 1.

-d device

The name of the device to affect.

This command erases one or more blocks on a NAND device.

	Notes
	This command may be configured out with the `CYGSEM_REDBOOT_NAND_ERASEBLOCK_CMD` option. This command ignores the Bad Blocks Table. It will attempt to erase any block on the device, regardless of its state.

	Warning
	This command is powerful, but potentially dangerous as it will erase data without any safety checks. It is possible to erase RedBoot, other files required for system bootstrap, the Bad Block Table itself, any stored configuration data, etc. Be very sure of the block number before committing!

RedBoot> nand eraseblock -d onboard -b 42 -n 2
Erasing device onboard blocks 42-43...
Erase complete.
RedBoot>


nand erase		Chapter 226. Rebuilding RedBoot

2024-03-18

eCosPro Non-Commercial Public License