u-boot.git/include/linux/mtd, branch v2012.04-rc2

onenand: Replace ONENAND_IS_MLC() with ONENAND_HAS_4KB()

2012-04-04T15:08:40+00:00

This replacement causes 4KB page size devices to work properly with u-boot.

The old ONENAND_IS_MLC() behavior has been preserved by explicit
setting of ONENAND_HAS_4KB_PAGE for those devices.

This change makes the onenand_base.c file more resembling the respective
kernel sources.

Signed-off-by: Lukasz Majewski 
Signed-off-by: Kyungmin Park 

---
Test HW:
       - Samsung S5PC110 GONI
       - Samsung S5PC210 Universal

onenand:samsung Target dependent OneNAND chip probe function

2012-04-04T14:27:34+00:00

Separate callback for probing OneNAND memory chip.
If no special function is defined, default implementation will be used.

This approach gives more flexibility for OneNAND device probing.

Signed-off-by: Lukasz Majewski 
Signed-off-by: Kyungmin Park

nand: reinstate lazy bad block scanning

2012-02-28T20:03:39+00:00

commit 2a8e0fc8b3dc31a3c571e439fbf04b882c8986be ("nand: Merge changes
from Linux nand driver") accidentally reverted commit
13f0fd94e3cae6f8a0d9fba5d367e311edc8ebde ("NAND: Scan bad blocks
lazily.").

Reinstate the change, as amended by commit
ff49ea8977b56916edd5b1766d9939010e30b181 ("NAND: Mark the BBT as scanned
prior to calling scan_bbt.").

Signed-off-by: Scott Wood

Revert "nand: make 1-bit software ECC configurable"

2012-02-28T20:03:39+00:00

This reverts commit 4fee6c2f295f932b8febdc7ce8731ba045695fa5.

It breaks boards that currently rely on soft-ecc, as pointed out here:
http://patchwork.ozlabs.org/patch/140872/

The reverted patch should be resubmitted with documentation, and with the
CONFIG_MTD_ECC_SOFT selected from every board that needs it.  We could
start by looking at what NAND driver the board selects, and whether
that driver ever asks for soft ECC.

Signed-off-by: Scott Wood

nand: make 1-bit software ECC configurable

2012-01-26T22:09:02+00:00

The software ECC algorithm is not necessary when hardware ECC
is available and can be left out for a smaller image size.
Enable with CONFIG_MTD_ECC_SOFT.

Signed-off-by: Christian Hitz 
Cc: Scott Wood 
Signed-off-by: Scott Wood

nand: Merge changes to BBT from Linux nand driver

2012-01-26T22:09:02+00:00

[backport from linux commit 02f8c6aee8df3cdc935e9bdd4f2d020306035dbe]

This patch synchronizes the nand driver with the Linux 3.0 state.

Signed-off-by: Christian Hitz 
Cc: Scott Wood 
Signed-off-by: Scott Wood

nand: Merge changes from Linux nand driver

2012-01-26T22:09:02+00:00

[backport from linux commit 02f8c6aee8df3cdc935e9bdd4f2d020306035dbe]

This patch synchronizes the nand driver with the Linux 3.0 state.

Signed-off-by: Christian Hitz 
Cc: Scott Wood 
[scottwood@freescale.com: minor fixes]
Signed-off-by: Scott Wood

nand: Merge BCH code from Linux nand driver

2012-01-26T22:09:02+00:00

[backport from linux commit 02f8c6aee8df3cdc935e9bdd4f2d020306035dbe]

This patch merges the BCH ECC algorithm from the 3.0 Linux kernel.
This enables U-Boot to support modern NAND flash chips that
require more than 1-bit of ECC in software.

Signed-off-by: Christian Hitz 
Cc: Scott Wood 
Signed-off-by: Scott Wood

nand: Add common functions to linux/mtd/nand.h

2011-12-06T22:59:31+00:00

Functions often used in SPL are now part of linux/mtd/nand.h.
Static modifiers are removed from these functions in
drivers/mtd/nand/nand_base.c.

Signed-off-by: Simon Schwarz 
Cc: scottwood@freescale.com
Cc: s-paulraj@ti.com
Cc: albert.u.boot@aribaud.net
Acked-by: Scott Wood

NAND: Really ignore bad blocks when scrubbing

2011-10-03T23:35:12+00:00

Signed-off-by: Marek Vasut 
Cc: Scott Wood 
Cc: Stefano Babic 
Cc: Wolfgang Denk 
Cc: Detlev Zundel 
[scottwood@freescale.com: use chip instead of redundant priv_nand]
Signed-off-by: Scott Wood