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Add swd_init_reset and swd_add_reset.
Add adapter_assert_reset and adapter_deassert_reset, and call them instead
of JTAG reset functions.
Change-Id: Ib2551c6fbb45513e0ae0dc331cfe3ee3f922298a
Signed-off-by: Simon Qian <simonqian.openocd@gmail.com>
Reviewed-on: http://openocd.zylin.com/526
Tested-by: jenkins
Reviewed-by: Freddie Chopin <freddie.chopin@gmail.com>
Reviewed-by: Spencer Oliver <spen@spen-soft.co.uk>
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Change-Id: I7caf57ca3d9dfbe152504472a6bb26c2a28b92e8
Signed-off-by: Spencer Oliver <spen@spen-soft.co.uk>
Reviewed-on: http://openocd.zylin.com/423
Tested-by: jenkins
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only set jtag global pointer if jtag->init() succeeds. Less code,
more clear what the rules are.
Fix nit that error value from init() was not propagated unmodified.
Signed-off-by: Øyvind Harboe <oyvind.harboe@zylin.com>
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This piggy backs on JTAG so it's not yet pretty, but that
seems unavoidable so far given today's OpenOCD internals.
SWD init and data transfer are unfinished and untested, but
that should cause no regressions, and will be addressed by
the time drivers start using this infrastructure. Checking
in whould get the code working better sooner, and turn up any
structural/architectural issues while they're easier to fix.
The debug adapter drivers will provide simple SWD driver
structs with methods that kick in as needed (instead of JTAG).
So far just one adapter driver has been updated (not yet
ready to use or circulate).
The biggest issues are probably
- fault handling, where the ARM Debug Interface V5 pipelining
needs work in both JTAG and SWD modes and
- missing rewrite of block I/O code to work on both of our
Cortex-ready transports (Current code is hard-wired to JTAG);
relates also to the pipelining issue.
- omitted support to activate/deactivate SWO/SWV trace (this is
technically trivial, but configuring what to trace is NOT.
Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
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doc/openocd.texi | 17 ++
src/jtag/core.c | 3
src/jtag/interface.h | 4
src/jtag/jtag.h | 2
src/jtag/swd.h | 114 +++++++++++++++++++
src/jtag/tcl.c | 2
src/target/adi_v5_swd.c | 281 ++++++++++++++++++++++++++++++++++++++++++++++--
src/target/arm_adi_v5.c | 8 +
src/target/arm_adi_v5.h | 3
9 files changed, 425 insertions(+), 9 deletions(-)
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* Bugfix and simplify legacy jtag-only defaulting
* Make "dummy" declare its jtag-only nature
* likewise update ft2232
* warn if selection is _required_ (multi-transport adapters),
fixes the "only ft2232 works" bug for at least dummy, with
other drivers going the "legacy" path (submit patches).
Signed-off-by: David Brownell <db@helium.(none)>
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For support of SWD we need to be able to clock out special bit
sequences over TMS or SWDIO. Create this as a generic operation,
not yet called by anything, which is split as usual into:
- upper level abstraction ... here, jtag_add_tms_seq();
- midlayer implementation logic hooking that to the lowlevel code;
- lowlevel minidriver operation ... here, interface_add_tms_seq();
- message type for request queue, here JTAG_TMS.
This is done slightly differently than other operations: there's a flag
saying whether the interface driver supports this request. (In fact a
flag *word* so upper layers can learn about other capabilities too ...
for example, supporting SWD operations.)
That approach (flag) lets this method *eventually* be used to eliminate
pathmove() and statemove() support from most adapter drivers, by moving
all that logic into the mid-layer and increasing uniformity between the
various drivers. (Which will in turn reduce subtle bugginess.)
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 "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 the jtag_interface->register_callbacks field to a list of
commands to be registered. Changes callback to invocation of
register_commands() with that command registration list. Removes all
JTAG interface driver register_command callback functions, which the
previous commits had converted into identical calls.
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Remove misleading typedef and redundant suffix from struct command_context.
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Remove useless typedef and redundant suffix from struct jtag_interface.
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- Use the name mappings all the other code uses:
+ name-to-state ... needed to add one special case
+ state-to-name
- Improve various diagnostics:
+ don't complain about a "valid" state when the issue
is actually that it must be "stable"
+ say which command was affected
- Misc:
+ make more private data and code be static
+ use public DIM() not private dimof()
+ shorten the affected lines
Re the mappings, this means we're more generous in inputs we
accept, since case won't matter. Also our output diagnostics
will be a smidgeon more informative, saying "RUN/IDLE" not
just "IDLE" (emphasizing that there can be side effects).
Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
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- Replace '[ \t]*[)]' with ')'.
git-svn-id: svn://svn.berlios.de/openocd/trunk@2377 b42882b7-edfa-0310-969c-e2dbd0fdcd60
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- Replace '([ \t]*' with '('.
git-svn-id: svn://svn.berlios.de/openocd/trunk@2376 b42882b7-edfa-0310-969c-e2dbd0fdcd60
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- Replace ')\(=\)\(\w\)' with ') \1 \2'.
- Replace '\(\w\)\(=\)(' with '\1 \2 ('.
- Replace '\(\w\)\(=\)\(\w\)' with '\1 \2 \3'.
git-svn-id: svn://svn.berlios.de/openocd/trunk@2372 b42882b7-edfa-0310-969c-e2dbd0fdcd60
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git-svn-id: svn://svn.berlios.de/openocd/trunk@2018 b42882b7-edfa-0310-969c-e2dbd0fdcd60
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git-svn-id: svn://svn.berlios.de/openocd/trunk@2015 b42882b7-edfa-0310-969c-e2dbd0fdcd60
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- Cloned the src/jtag/jtag.c file to src/jtag/interface.c.
- For each for of those files, deleted the contents of the other.
- Add new source file to automake input.
git-svn-id: svn://svn.berlios.de/openocd/trunk@2012 b42882b7-edfa-0310-969c-e2dbd0fdcd60
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git-svn-id: svn://svn.berlios.de/openocd/trunk@2011 b42882b7-edfa-0310-969c-e2dbd0fdcd60
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git-svn-id: svn://svn.berlios.de/openocd/trunk@2010 b42882b7-edfa-0310-969c-e2dbd0fdcd60
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git-svn-id: svn://svn.berlios.de/openocd/trunk@2009 b42882b7-edfa-0310-969c-e2dbd0fdcd60
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- Move the jtag_interface structure definition.
- Move the Cable API declarations.
- Add new header file to automake input.
The next patch will move the implementation to interface.c.
git-svn-id: svn://svn.berlios.de/openocd/trunk@2008 b42882b7-edfa-0310-969c-e2dbd0fdcd60
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