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SPI NAND Sync with Kernel for Support of Winbond W25N02KV

Status: Tested on XS Board

=> mtd list
List of MTD devices:
* spi-nand0
  - device: spi-flash@0
  - parent: spi@21e0000
  - driver: spi_nand
  - path: /soc/bus@2100000/spi@21e0000/spi-flash@0
  - type: NAND flash
  - block size: 0x20000 bytes
  - min I/O: 0x800 bytes
  - OOB size: 128 bytes
  - OOB available: 56 bytes
  - 0x000000000000-0x000010000000 : "spi-nand0"
          - 0x000000000000-0x000010000000 : "UBI"
* nor0
  - device: flash@0
  - parent: spi@200c000
  - driver: jedec_spi_nor
  - path: /soc/bus@2000000/spba-bus@2000000/spi@200c000/flash@0
  - type: NOR flash
  - block size: 0x1000 bytes
  - min I/O: 0x1 bytes
  - 0x000000000000-0x000000100000 : "nor0"
          - 0x000000000000-0x000000020000 : "spl"
          - 0x000000020000-0x0000000f0000 : "u-boot"
          - 0x0000000f0000-0x000000100000 : "env"

=> ubi part UBI
SF: Detected mx25v8035f with page size 256 Bytes, erase size 4 KiB, total 1 MiB
ubi0: attaching mtd5
ubi0: scanning is finished
ubi0: attached mtd5 (name "UBI", size 256 MiB)
ubi0: PEB size: 131072 bytes (128 KiB), LEB size: 126976 bytes
ubi0: min./max. I/O unit sizes: 2048/2048, sub-page size 2048
ubi0: VID header offset: 2048 (aligned 2048), data offset: 4096
ubi0: good PEBs: 2047, bad PEBs: 1, corrupted PEBs: 0
ubi0: user volume: 1, internal volumes: 1, max. volumes count: 128
ubi0: max/mean erase counter: 2/1, WL threshold: 4096, image sequence number: 1553925693
ubi0: available PEBs: 2, total reserved PEBs: 2045, PEBs reserved for bad PEB handling: 39
=> ubifsmount ubi0
=> ubifsls        
<DIR>        5520  Fri Mar 09 12:34:56 2018  bin
<DIR>         160  Fri Mar 09 12:34:56 2018  dev
<DIR>        5480  Fri Mar 09 12:34:56 2018  etc
<DIR>        6048  Fri Mar 09 12:34:56 2018  lib
<DIR>         160  Fri Mar 09 12:34:56 2018  mnt
<DIR>         160  Fri Mar 09 12:34:56 2018  run
<DIR>         160  Fri Mar 09 12:34:56 2018  tmp
<DIR>         160  Fri Mar 09 12:34:56 2018  sys
<DIR>         808  Fri Mar 09 12:34:56 2018  var
<DIR>         736  Fri Mar 09 12:34:56 2018  usr
<DIR>         496  Fri Mar 09 12:34:56 2018  www
<DIR>         456  Fri Mar 09 12:34:56 2018  boot
<DIR>         224  Fri Mar 09 12:34:56 2018  home
<DIR>         160  Fri Mar 09 12:34:56 2018  proc
<DIR>        8496  Fri Mar 09 12:34:56 2018  sbin
<DIR>         160  Fri Mar 09 12:34:56 2018  media
Edited by Frieder Schrempf

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