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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 <yamada.m@jp.panasonic.com>
Acked-by: Marek Vasut <marex@denx.de>
Acked-by: Heiko Schocher <hs@denx.de>
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snyc with linux v3.15:
commit 1860e379875dfe7271c649058aeddffe5afd9d0d
Author: Linus Torvalds <torvalds@linux-foundation.org>
Date: Sun Jun 8 11:19:54 2014 -0700
Linux 3.15
Signed-off-by: Heiko Schocher <hs@denx.de>
Cc: Scott Wood <scottwood@freescale.com>
Cc: Tom Rini <trini@ti.com>
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resync ubi subsystem with linux:
commit 455c6fdbd219161bd09b1165f11699d6d73de11c
Author: Linus Torvalds <torvalds@linux-foundation.org>
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 <hs@denx.de>
Signed-off-by: Tom Rini <trini@ti.com>
Cc: Marek Vasut <marex@denx.de>
Cc: Sergey Lapin <slapin@ossfans.org>
Cc: Scott Wood <scottwood@freescale.com>
Cc: Joerg Krause <jkrause@posteo.de>
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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 <prabhakar@freescale.com>
CC: Vipin Kumar <vipin.kumar@st.com>
[scottwood@freescale.com: changes as described above]
Signed-off-by: Scott Wood <scottwood@freescale.com>
Cc: Thomas Weber <weber@corscience.de>
Cc: Matthias Fuchs <matthias.fuchs@esd-electronics.com>
Cc: Stefan Roese <sr@denx.de>
Cc: York Sun <yorksun@freescale.com>
Cc: Tom Rini <trini@ti.com>
Reviewed-by: Stefan Roese <sr@denx.de>
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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 <yamada.m@jp.panasonic.com>
Signed-off-by: Stefan Roese <sr@denx.de>
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Signed-off-by: Wolfgang Denk <wd@denx.de>
[trini: Fixup common/cmd_io.c]
Signed-off-by: Tom Rini <trini@ti.com>
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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 <slapin@ossfans.org>
[scottwood@freescale.com: some eccstrength and build fixes]
Signed-off-by: Scott Wood <scottwood@freescale.com>
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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 <andrew_gabbasov@mentor.com>
Reviewed-By: Albert ARIBAUD <albert.u.boot@aribaud.net>
Signed-off-by: Stefan Roese <sr@denx.de>
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This reverts commit 239cb9d904cfa8ab50d840a47b3306189d695c75.
Signed-off-by: Stefan Roese <sr@denx.de>
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This commit is based on that patch from aaron.williams@caviumnetworks.com
with same commit title. pulled the same code changes into current u-boot tree.
http://patchwork.ozlabs.org/patch/140863/
http://lists.denx.de/pipermail/u-boot/2011-April/089606.html
This patch corrects the addresses used when working with Spansion/AMD FLASH chips.
Addressing for 8 and 16 bits is almost identical except in the 16-bit case the
LSB of the address is always 0. The confusion arose because the addresses
in the datasheet for 16-bit mode are word addresses but this code assumed it was
byte addresses.
I have only been able to test this on our Octeon boards which use either an 8-bit
or 16-bit bus. I have not tested the case where there's an 8-bit part on a 16-bit
bus.
This patch also adds some delays as suggested by Spansion.
If a part can be both 8 and 16-bits, it forces it to work in 8-bit mode if an
8-bit bus is detected.
Apart from the pulled changes, fixed few minor code cleanups and tested
on 256M29EW, 512M29EW flashes.
Before this fix:
---------------
Bank # 1: CFI conformant flash (8 x 8) Size: 64 MB in 512 Sectors
AMD Standard command set, Manufacturer ID: 0xFF, Device ID: 0xFF
Erase timeout: 4096 ms, write timeout: 2 ms
Buffer write timeout: 5 ms, buffer size: 1024 bytes
After this fix:
--------------
Bank # 1: CFI conformant flash (8 x 8) Size: 64 MB in 512 Sectors
AMD Standard command set, Manufacturer ID: 0x89, Device ID: 0x7E2301
Erase timeout: 4096 ms, write timeout: 2 ms
Buffer write timeout: 5 ms, buffer size: 1024 bytes
Signed-off-by: Aaron Williams <aaron.williams@caviumnetworks.com>
Signed-off-by: Jagannadha Sutradharudu Teki <jaganna@xilinx.com>
Tested-by: Jagannadha Sutradharudu Teki <jaganna@xilinx.com>
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Erasing flash sectors protected with persistent protection bit (PPB)
mechanism on Spansion flash chips doesn't work. Add sector protection
status checking and sector lock and unlock commands to fix this.
Signed-off-by: Anatolij Gustschin <agust@denx.de>
Cc: Stefan Roese <sr@denx.de>
Signed-off-by: Stefan Roese <sr@denx.de>
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This patch adds the possibility to (optinally) write to the
flash configuration register. The Intel style CFI chips support
such a register that can be used to configure the operation
mode to a non-default value.
This method will be used by the t3corp board, which needs to
configure the DS617 Xilinx flash for async read mode.
Signed-off-by: Stefan Roese <sr@denx.de>
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This patch simplifies the use of CONFIG_SYS_MAX_FLASH_BANKS_DETECT. By
moving these optional variables and defines into the common code, board
specific code is minimized. Currently only the following board use
this feature:
APC405, IDS8247, TQM834x
And IDS8247 doesn't seem to really need this feature, since its not
updating the bank number variable at all. So this patch removes the
definition of CONFIG_SYS_MAX_FLASH_BANKS_DETECT from this board port.
This new framework will be used by the upcoming lwmon5 update as well.
Signed-off-by: Stefan Roese <sr@denx.de>
Acked-by: Heiko Schocher <hs@denx.de>
Cc: Matthias Fuchs <matthias.fuchs@esd.eu>
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Currently the CFI driver issues both AMD and Intel reset commands.
This is because the driver doesn't know yet which chips are connected.
This dual reset seems to cause problems with the M29W128G chips as
reported by Richard Retanubun. This patch now introduces a weak default
function for the CFI reset command, still with both resets. This can
be overridden by a board specific version if necessary.
Signed-off-by: Stefan Roese <sr@denx.de>
Cc: Richard Retanubun <RichardRetanubun@ruggedcom.com>
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This patch adds basic UBI (Unsorted Block Image) support to U-Boot.
It's based on the Linux UBI version and basically has a "OS"
translation wrapper that defines most Linux specific calls
(spin_lock() etc.) into no-ops. Some source code parts have been
uncommented by "#ifdef UBI_LINUX". This makes it easier to compare
this version with the Linux version and simplifies future UBI
ports/bug-fixes from the Linux version.
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: Stefan Roese <sr@denx.de>
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