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ath79: prepare NAND subtarget for upstream support of SPI NAND

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Linux 4.19 supplies the upstream spi-nand framework,
permitting porting and support of boards with SPI NAND.

  * Adjusted nand/target.mk to provide FEATURES += squashfs nand

  * Updated config-default to provide current MTD and UBI support

Defaults selected for:

  CONFIG_MTD_UBI_WL_THRESHOLD=4096
  CONFIG_MTD_UBI_BEB_LIMIT=20
  # CONFIG_MTD_UBI_FASTMAP is not set
  # CONFIG_MTD_UBI_GLUEBI is not set

The bad-block reservation limit technically should be 21 for Paragon
SPI NAND but most other devices in the class are 20 blocks per Gbit.
In Linux 5.2 this is specified on a per-chip basis through NAND_MEMORG

Contents adjusted to remove declarations provided at the target level
by commit 08a134820f (Oct 23, 2019) ath79: enable PCI for whole target

Signed-off-by: Jeff Kletsky <git-commits@allycomm.com>
Tested-by: Michal Cieslakiewicz <michal.cieslakiewicz@wp.pl>
This commit is contained in:
Jeff Kletsky
2019-05-14 09:47:40 -07:00
committed by Chuanhong Guo
parent 10bcf1eb40
commit 20b3e77ba3
2 changed files with 11 additions and 11 deletions
Download Patch File Download Diff File Expand all files Collapse all files

15
target/linux/ath79/nand/config-default
View File

@@ -1,18 +1,17 @@
CONFIG_AT803X_PHY=y
CONFIG_BCH=y
CONFIG_MTD_NAND=y
CONFIG_MTD_NAND_AR934X=y
CONFIG_MTD_NAND_BCH=y
CONFIG_MTD_NAND_CORE=y
CONFIG_MTD_NAND_ECC=y
CONFIG_MTD_NAND_ECC_BCH=y
CONFIG_MTD_SPINAND_MT29F=y
CONFIG_MTD_SPINAND_ONDIEECC=y
CONFIG_MTD_SPI_NAND=y
CONFIG_MTD_UBI=y
CONFIG_MTD_UBI_BEB_LIMIT=20
CONFIG_MTD_UBI_BLOCK=y
CONFIG_MTD_UBI_WL_THRESHOLD=4096
CONFIG_MTD_UBI_BEB_LIMIT=20
# CONFIG_MTD_UBI_FASTMAP is not set
# CONFIG_MTD_UBI_GLUEBI is not set
CONFIG_MTD_UBI_WL_THRESHOLD=4096
# CONFIG_PCI_AR71XX is not set
# CONFIG_PHY_AR7100_USB is not set
CONFIG_PHY_AR7200_USB=y
CONFIG_UBIFS_FS=y
CONFIG_UBIFS_FS_ADVANCED_COMPR=y
CONFIG_UBIFS_FS_LZO=y