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Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
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Bugfix the read side of flash protection:
- read the right register(s)!
- handle more than 64K
- record the results in the right places
- don't display garbage.
Partially bugfix the write side:
- use 2KB lock regions instead of 1KB pages (!)
- validate input range
- don't try to _remove_ protection (it's write-once)
- #define values we'll need to commit writes.
- ... still doesn't handle pages over 64KB mark, or commit writes
And minor cleanup and fixes:
- get rid of some forward decls
- properly locate a doxygen comment
- fix some bad indentation
- remove superfluous #include
- add a new part ID (many are still missing)
- make the downloaded algorithm code be read-only
Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
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Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
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This allows including generated include files.
Signed-off-by: Øyvind Harboe <oyvind.harboe@zylin.com>
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Move most declarations in <target/armv4_5.h> to <target/arm.h>
and update users.
What's left in the older file is stuff that I think should be
removed ... the old register cache access stuff, which makes it
awkward to support microcontroller profile (Cortex-M) cores.
The armv4_5_run_algorithm() declaration was moved too, even
though it's not yet as generic as it probably ought to be.
Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
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Move the ARM opcode macros from <target/armv4_5.h>, and a few
Thumb2 ones from <target/armv7m.h>, to more appropriate homes
in a new <target/arm_opcodes.h> file.
Removed duplicate opcodes from that v7m/Thumb2 set. Protected
a few macro argument references by adding missing parentheses.
Tightening up some of the line lengths turned up a curious artifact:
the macros for the Thumb opcodes are all 32 bits wide, not 16 bits.
There's currently no explanation for why it's done that way...
Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
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Rename the existing 'flash banks' implementation as 'flash list', and
replace the broken 'flash_banks' TCL wrapper with a new command handler.
Adds documentation for the new 'flash list' command in the user guide.
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The 'flash banks' command produces a list that needs to be formatted
properly for GDB's 'mem info' to work properly. The flash_banks TCL
wrapper provided this formatting, but wrappers no longer work for
second-level commands as they did in the past. With this patch,
the 'flash_banks' command can be used with the new command syntax
and display the required information.
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When factoring the bank setup command into flash_bank_add(), I forgot
to include a call to the new helper.
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More updates from the code review by Steve Grubb <sgrubb@redhat.com>.
The Jim float-comparision bug just gets a comment not a fix, though.
Cc: Steve Grubb <sgrubb@redhat.com>.
Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
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Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
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Rename nand.h as flash/nand/core.h, chase consumers. The public APIs
need to be sorted out with imp.h, but this allows other changes to
begin improving the separation between policy and mechanism.
Moves #include <target/target.h> and #include "driver.h" into the
internal headers or source files, removing it from <flash/nand/core.h>.
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Move remaining NAND implementation files into src/flash/nand/.
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Moves commands into nand/tcl.c and core implementation to 'nand/core.c'
and 'nand/fileio.c'. Eliminates 'flash/nand.c'.
Adds 'nand/imp.h' to share routines between TCL commands and core.
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This work parallels the NOR directory, encapsulating the NAND drivers
into a separate file. This takes an extra step by encapsulating the
type of data structure used to manage the drivers, allowing it to be
changed from an array to a dynamic list in the future.
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Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
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Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
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Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
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Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
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Remove the now vestigial <flash/flash.h> header from the tree,
replacing a few references with <flash/nor/core.h>
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Move the bulk of the flash.h file into flash/nor/core.h, leaving an
empty husk that will be removed in the next patch.
The NOR driver structure is an implementation detail, so move it into
its own private header file <flash/nor/driver.h> along with helper
declaration for finding them by name.
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The flash.h header does not require the target.h header file, but
its implementation source files do. Move it to flash/nor/imp.h.
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Moves common flash errors to <flash/common.h> to decouple these two
mostly unrelated trees of code.
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Move remaining NOR flash implemenation into flash/nor/core.c
Removes flash.c from the build, leaving only its header to split.
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Encapsulates access to the flash_drivers array, providing a base
of operations for future dynamic driver module loading features.
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Splits the exec mode commands out of flash.c into the flash/nor/ files.
The routines used by these high-level commands are moved into nor/core.c,
with their internal declarations placed in nor/imp.h.
Fixes distribution of <flash/nor/core.h> header.
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The newly moved flash TCL routines access the internals of the module
too much. Fix the layering issues by adding new core NOR flash APIs:
<flash/nor/core.h>:
- flash_driver_find_by_name() - self-descriptive
<flash/nor/imp.h>:
- flash_bank_add() - encapsulates adding banks to bank list
- flash_bank_list() - encapsulates retreiving bank list
This allows the externs in flash/nor/imp.h to be removed, and
these mechanisms may now be re-used by other flash module code.
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Moves the top-level 'flash' command handlers into flash/nor/tcl.c,
with flash/nor/imp.h providing an internal implementation header
to share non-public API components.
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Updates the ARM NAND I/O code to look at and update the op
field of arm_nand_data to reflect the last operation performed.
It uses this field to copy the correct code to the target in the
case where the struct is used for reads and writes.
Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
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Modify the arm_nand_data struct to better support both read and
write operations while using the same struct. An additional
field was added, and initialized, to record the last operation
so that the correct code can be loaded to the working area.
[dbrownell@users.sourceforge.net: merge init patch, tweak GPL note]
Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
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Created a new function that handles sending a command and the address
information for pages to a NAND device.
[dbrownell@users.sourceforge.net: tweaked line lengths, name 'oob_only']
Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
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With all #include directives converted, we only need to have the
top-level src/ directory in the search path.
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Before we can -I the top-level src/ directory alone, references to
"hello.h" must be updated. This is an internal header, so it does
not need angle brackets.
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Changes from the flat namespace to heirarchical one. Instead of writing:
#include "s3c24xx_regs.h"
the following form should be used.
#include <flash/nand/s3c24xx_regs.h>
The exception is from .c files in the same directory.
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Changes from the flat namespace to heirarchical one. Instead of writing:
#include "ocl.h"
the following form should be used.
#include <flash/nor/ocl.h>
The exception is from .c files in the same directory.
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Changes from the flat namespace to heirarchical one. Instead of writing:
#include "nand.h"
the following form should be used.
#include <flash/nand.h>
The exception is from .c files in the same directory.
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Changes from the flat namespace to heirarchical one. Instead of writing:
#include "flash.h"
the following form should be used.
#include <flash/flash.h>
The exception is from .c files in the same directory.
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Changes from the flat namespace to heirarchical one. Instead of writing:
#include "arm_nandio.h"
the following form should be used.
#include <flash/arm_nandio.h>
The exception is from .c files in the same directory.
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Changes from the flat namespace to heirarchical one. Instead of writing:
#include "target.h"
the following form should be used.
#include <target/target.h>
The exception is from .c files in the same directory.
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Changes from the flat namespace to heirarchical one. Instead of writing:
#include "mips32.h"
the following form should be used.
#include <target/mips32.h>
The exception is from .c files in the same directory.
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Changes from the flat namespace to heirarchical one. Instead of writing:
#include "image.h"
the following form should be used.
#include <target/image.h>
The exception is from .c files in the same directory.
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Changes from the flat namespace to heirarchical one. Instead of writing:
#include "embeddedice.h"
the following form should be used.
#include <target/embeddedice.h>
The exception is from .c files in the same directory.
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Changes from the flat namespace to heirarchical one. Instead of writing:
#include "avrt.h"
the following form should be used.
#include <target/avrt.h>
The exception is from .c files in the same directory.
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Changes from the flat namespace to heirarchical one. Instead of writing:
#include "armv7m.h"
the following form should be used.
#include <target/armv7m.h>
The exception is from .c files in the same directory.
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Changes from the flat namespace to heirarchical one. Instead of writing:
#include "armv4_5.h"
the following form should be used.
#include <target/armv4_5.h>
The exception is from .c files in the same directory.
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Changes from the flat namespace to heirarchical one. Instead of writing:
#include "arm966e.h"
the following form should be used.
#include <target/arm966e.h>
The exception is from .c files in the same directory.
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Changes from the flat namespace to heirarchical one. Instead of writing:
#include "arm7_9_common.h"
the following form should be used.
#include <target/arm7_9_common.h>
The exception is from .c files in the same directory.
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Changes from the flat namespace to heirarchical one. Instead of writing:
#include "algorithm.h"
the following form should be used.
#include <target/algorithm.h>
The exception is from .c files in the same directory.
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Changes from the flat namespace to heirarchical one. Instead of writing:
#include "jtag.h"
the following form should be used.
#include <jtag/jtag.h>
The exception is from .c files in the same directory.
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Changes from the flat namespace to heirarchical one. Instead of writing:
#include "types.h"
the following form should be used.
#include <helper/types.h>
The exception is from .c files in the same directory.
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