| Commit message (Collapse) | Author | Age | Files | Lines |
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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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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 "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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This updates the functions in the file to all have doxygen comments
describing what they do.
Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
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Created a function for copying code to the working area on
a target. The NAND write and read functions are updated to
include use of this function.
Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
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Implementation of the NAND read function for ARM NAND I/O that
includes running a local algorithm on a device to increase the
performance of block reads.
Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
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Most files in the tree seem to have ended up including this,
and *quite* needlessly ... only code implementing or using
downloadable algorithms actually needs these declarations.
So take it out of the header files which included it, and put
it in files which use it ... reduce needless interdependencies.
Also: "algorithm.h" doesn't need to include "types.h" again;
it already comes from a different header.
Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
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Remove misleading typedef and redundant suffix from struct target.
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Remove misleading typedef and just use struct arm.
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Remove misleading typedef and redundant suffix from struct armv4_5_algorithm.
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Remove misleading typedef and redundant suffix from struct reg_param.
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Optionally shave time off the armv4_5 run_algorithm() code: let
them terminate using software breakpoints, avoiding roundtrips
to manage hardware ones.
Enable this by using BKPT to terminate execution instead of "branch
to here" loops. Then pass zero as the exit address, except when
running on an ARMv4 core. ARM7TDMI, ARM9TDMI, and derived cores
now set a flag saying they're ARMv4.
Use that mechanism in arm_nandwrite(), for about 3% speedup on a
DaVinci ARM926 core; not huge, but it helps. Some other algorithms
could use this too (mostly flavors of flash operation).
git-svn-id: svn://svn.berlios.de/openocd/trunk@2680 b42882b7-edfa-0310-969c-e2dbd0fdcd60
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Abstract the orion_nand_fast_block_write() routine into a separate
routine -- arm_nandwrite() -- so that other ARM cores can reuse it.
Have davinci_nand do so. This faster than byte-at-a-time ops by a
factor of three (!), even given the slowish interactions to support
hardware ECC (1-bit flavor in that test) each 512 bytes; those could
be read more efficiently by on-chip code.
NOTE that until there's a generic "ARM algorithm" structure, this
can't work on newer ARMv6 (like ARM1136) or ARMv7A (like Cortex-A8)
cores, though the downloaded code itself would work just fine there.
git-svn-id: svn://svn.berlios.de/openocd/trunk@2663 b42882b7-edfa-0310-969c-e2dbd0fdcd60
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