u-boot.git/include/mtd, branch v2017.03-rc3

cfi_flash: use specific width types for cword

2015-10-27T10:51:53+00:00

This patch changes the cword union to use specific length types that are
architecture indepented.

This patch also renames the members of the cword union to represent
their usage, i.e.:

    c  -> w8
    s  -> w16
    l  -> w32
    ll -> w64

Where "w" stands for "width" in bits.

I discovered this problem when enabling CFI flash on vexpress64.
cword.l was an unsigned long int, but it was intended to be 32 bits wide.
Unfortunately, it's 64-bits wide on a 64-bit system, meaning that a
64-bit system fails when attempting to use 32-bit wide CFI flash parts.

Similar problems also existed with the other cword sizes.

Signed-off-by: Ryan Harkin 
Reviewed-by: Linus Walleij 
Signed-off-by: Stefan Roese

kbuild: force to define UBOOT in all the C sources

2014-09-16T16:23:56+00:00

U-Boot has imported various source files from other projects,
mostly Linux.

Something like

  #ifdef __UBOOT__
    [ modification for U-Boot ]
  #else
    [ original code ]
  #endif

is an often used strategy for clarification of adjusted parts,
that is, easier re-sync in future.

Instead of defining __UBOOT__ in each source file,
passing it from the top Makefile would be easier.

Signed-off-by: Masahiro Yamada 
Acked-by: Marek Vasut 
Acked-by: Heiko Schocher

mtd,ubi,ubifs: sync with linux v3.15

2014-08-25T23:25:56+00:00

snyc with linux v3.15:

commit 1860e379875dfe7271c649058aeddffe5afd9d0d
Author: Linus Torvalds 
Date:   Sun Jun 8 11:19:54 2014 -0700

    Linux 3.15

Signed-off-by: Heiko Schocher 
Cc: Scott Wood 
Cc: Tom Rini

mtd, ubi, ubifs: resync with Linux-3.14

2014-08-25T23:25:55+00:00

resync ubi subsystem with linux:

commit 455c6fdbd219161bd09b1165f11699d6d73de11c
Author: Linus Torvalds 
Date:   Sun Mar 30 20:40:15 2014 -0700

    Linux 3.14

A nice side effect of this, is we introduce UBI Fastmap support
to U-Boot.

Signed-off-by: Heiko Schocher 
Signed-off-by: Tom Rini 
Cc: Marek Vasut 
Cc: Sergey Lapin 
Cc: Scott Wood 
Cc: Joerg Krause

mtd: move & update nand_ecclayout structure (plus board changes)

2013-11-21T19:32:43+00:00

nand_ecclayout is present in mtd.h at Linux.
Move this structure to mtd.h to comply with Linux.

Also, increase the ecc placement locations to 640 to suport device having
writesize/oobsize of 8KB/640B. This means that the maximum oobsize has gone
up to 640 bytes and consequently the maximum ecc placement locations have
also gone up to 640.

Changes from Prabhabkar's version (squashed into one patch to preserve
bisectability):
 - Added _LARGE to MTD_MAX_*_ENTRIES

   This makes the names match current Linux source, and resolves
   a conflict between
   http://patchwork.ozlabs.org/patch/280488/
   and
   http://patchwork.ozlabs.org/patch/284513/

   The former was posted first and is closer to matching Linux, but
   unlike Linux it does not add _LARGE to the names.  The second adds
   _LARGE to one of the names, and depends on it in a subsequent patch
   (http://patchwork.ozlabs.org/patch/284512/).

 - Made max oobfree/eccpos configurable, and used this on tricorder,
   alpr, ASH405, T4160QDS, and T4240QDS (these boards failed to build
   for me without doing so, due to a size increase).

   On tricorder SPL, this saves 2576 bytes (and makes the SPL build
   again) versus the new default of 640 eccpos and 32 oobfree, and
   saves 336 bytes versus the old default of 128 eccpos and 8 oobfree.

Signed-off-by: Prabhakar Kushwaha 
CC: Vipin Kumar 
[scottwood@freescale.com: changes as described above]
Signed-off-by: Scott Wood 
Cc: Thomas Weber 
Cc: Matthias Fuchs 
Cc: Stefan Roese 
Cc: York Sun 
Cc: Tom Rini 
Reviewed-by: Stefan Roese

cfi_flash: Add prototypes of overridable functions

2013-07-30T07:11:54+00:00

This commit adds some prototypes into include/mtd/cfi_flash.h.
These functions are defined with a weak attribute in
drivers/mtd/cfi_flash.c.
This means they can be overrided by board-specific ones
if necessary.

When defining such functions under board/ directory or
somewhere, cfi_flash.h should be included.
This makes sure that board-specfic cfi functions
are defined in a correct prototype.

Signed-off-by: Masahiro Yamada 
Signed-off-by: Stefan Roese

Add GPL-2.0+ SPDX-License-Identifier to source files

2013-07-24T13:44:38+00:00

Signed-off-by: Wolfgang Denk 
[trini: Fixup common/cmd_io.c]
Signed-off-by: Tom Rini

Merge branch 'master' of git://git.denx.de/u-boot-nand-flash

2013-05-31T22:28:47+00:00

mtd: resync with Linux-3.7.1

2013-05-31T22:12:03+00:00

This patch is essentially an update of u-boot MTD subsystem to
the state of Linux-3.7.1 with exclusion of some bits:

- the update is concentrated on NAND, no onenand or CFI/NOR/SPI
flashes interfaces are updated EXCEPT for API changes.

- new large NAND chips support is there, though some updates
have got in Linux-3.8.-rc1, (which will follow on top of this patch).

To produce this update I used tag v3.7.1 of linux-stable repository.

The update was made using application of relevant patches,
with changes relevant to U-Boot-only stuff sticked together
to keep bisectability. Then all changes were grouped together
to this patch.

Signed-off-by: Sergey Lapin 
[scottwood@freescale.com: some eccstrength and build fixes]
Signed-off-by: Scott Wood

cfi_flash: Fix unaligned accesses to cfi_qry structure

2013-05-23T07:47:59+00:00

Packed structure cfi_qry contains unaligned 16- and 32-bits members,
accessing which causes problems when cfi_flash driver is compiled with
-munaligned-access option: flash initialization hangs, probably
due to data error.

Since the structure is supposed to replicate the actual data layout
in CFI Flash chips, the alignment issue can't be fixed in the structure.
So, unaligned fields need using of explicit unaligned access macros.

Signed-off-by: Andrew Gabbasov 
Reviewed-By: Albert ARIBAUD 
Signed-off-by: Stefan Roese