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* Delete commented out code. Add a bit of error checking.Øyvind Harboe2009-10-133-48/+21
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* arm11 seems to gate JTAG when srst is assertedØyvind Harboe2009-10-132-3/+2
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* Propagate error from assert, deassert and halt on tcl target object.Øyvind Harboe2009-10-131-5/+9
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* xscale: stackframe corruption bugfixDavid Brownell2009-10-131-36/+18
| | | | | | | | | | | Resolve a "FIX" comment; yes that was superfluous given that the JTAG core does that check by default. It was also buggy since it wrote to a stack frame that went away before the write happened!! Other fixes: remove pointless malloc(); zero-init scan_field_t values wherever they appear; whitespace scrub; spelling fix. Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
* More error propagation fixes.Øyvind Harboe2009-10-122-5/+8
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* arm11 burst writes are now only enabled for writes larger than 1 word. ↵Øyvind Harboe2009-10-122-3/+16
| | | | Single word writes are frequently used from reset init scripts to non-memory peripherals.
* Xilinx xcr3256.cfg basic config scriptWookey2009-10-121-0/+3
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* Retire arm11 no_increment. Intended for future expansion to read/write to ↵Øyvind Harboe2009-10-122-15/+22
| | | | ports. New arm11 commands would have to be added to exploit it.
* Propagate wDTR/rDTR failure immediately, otherwise it's followed up by ↵Øyvind Harboe2009-10-121-0/+1
| | | | timeout errors.
* Fix warning and improve error message upon burst transfer failureØyvind Harboe2009-10-121-3/+3
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* burst writes work fine. clean up junk.Øyvind Harboe2009-10-121-3/+0
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* Fix bogus 'transfer errors' with arm11 'memwrite burst enable'. A regression ↵Øyvind Harboe2009-10-121-5/+5
| | | | introduced in b8103660fa36a77158bd77379572c09913d85c00
* simplify XScale debug handler installationDavid Brownell2009-10-126-45/+59
| | | | | | | | | | | | | | | | | | | Load the XScale debug handler from the read-only data section instead of from a separate file that can get lost or garbaged. This eliminates installation and versioning issues, and also speeds up reset handling a bit. Plus some minor bits of cleanup related to loading that handler: comments about just what this handler does, and check fault codes while writing it into the mini-icache. The only behavioral changes should be cleaner failure modes after errors during handler loading, and being a bit faster. NOTE: presumes GNU assembly syntax, with ".incbin"; and ELF, because of the syntax of the ".size" directive. Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
* more xscale cleanup (mostly removing JTAG hooks)David Brownell2009-10-122-88/+65
| | | | | | | | | | | | | | | | Streamline/shrink some needless JTAG stuff: - Use #defines for the JTAG instructions; they can't ever change - Remove an unused (!) shadow of tap->ir_length - Stop using a copy of target->tap - Don't bother saving the variant after sanity checking ir_length Also, make target_create() work as on other targets: build the register cache later, making init_target() no longer be a NOP. Handle malloc failure; remove a comment that was obsoleted by the not-so-new target syntax. Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
* Merge commit 'origin/master'Øyvind Harboe2009-10-129-322/+438
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| * xscale_load_ic cleanupDavid Brownell2009-10-111-16/+16
| | | | | | | | | | | | | | | | Remove unused and deprecated (in the arch spec) mode for loading code into the *main* icache (vs the "mini" icache). Disable some extremely noisy (and rarely useful) low-level debug messages Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
| * xscale.c cleanupDavid Brownell2009-10-111-186/+197
| | | | | | | | | | | | | | | | | | Declare almost everything as static. Move stuff to remove most forward references. Remove most forward declarations. Warn if the unimplemented register functions get called. Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
| * xscale bugfix to handler loadingDavid Brownell2009-10-111-2/+2
| | | | | | | | | | | | | | | | | | Just fill out the rest of the cache line with NOPs; don't change the record of how much data we consumed. Otherwise the count of how much data is left can roll over from positive to negative ("VERY positive") and skip the loop termination of zero. Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
| * xscale minor cleanupDavid Brownell2009-10-111-43/+31
| | | | | | | | | | | | | | | | | | | | | | | | Add a header comment referencing useful XScale specs. Make most data static, and the tables readonly. Scrub extra blank lines. Return fault codes from one routine. Remove a needless NOP methood. (BUGFIX) When we update R0, mark R0 as dirty/valid ... not R15/PC! Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
| * printf format warning fixesDavid Brownell2009-10-106-33/+38
| | | | | | | | | | | | Observed on a Cygwin build. Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
| * Fix reset delays and tinker with ID'sWookey2009-10-101-7/+12
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| * tweak new "translating ..." textDavid Brownell2009-10-091-16/+18
| | | | | | | | | | | | | | | | Fix formatting and layout bugs in the new "translating configuration files" bit. Make it a section within the chapter about config files. Add a crossreference. Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
| * add documentation about reset customizationDavid Brownell2009-10-092-22/+127
| | | | | | | | | | | | | | | | | | | | We added two overridable procedures; document them, and the two jtag arp_* operations they necessarily expose. Update the comment about the jtag_init_reset() routine; it's been obsolete for as long as it's had SRST support. Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
* | If halt times out, stop GDB. Allows e.g. manual reset via monitor commands.Øyvind Harboe2009-10-123-3/+43
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* | Supply default reset_config statement to make target scripts useful ↵Øyvind Harboe2009-10-122-1/+4
|/ | | | standalone and provide sensible default
* Stop debug session if halt failsØyvind Harboe2009-10-091-1/+6
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* ARM11 error checkingØyvind Harboe2009-10-093-52/+119
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* Merge commit 'origin/master'Øyvind Harboe2009-10-094-13/+60
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| * make PXA255 targets enumerate sort-of-OKDavid Brownell2009-10-082-3/+33
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Startup now mostly works, except that the initial target state is "unknown" ... previously, it refused to even start. Getting that far required fixing the ircapture value (which can never have been correct!) and the default JTAG clock rate, then providing custom reset script. The "reset" command is still iffy. DCSR updates, and loading the debug handler, report numerous DR/IR capture failures. But once that's done, "poll" reports that the CPU is halted (which it shouldn't be, this was "reset run"!), due to the rather curious reason "target-not-halted". Summary: you still can't debug these parts, but it's closer. Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
| * add overridable Tcl "init_reset"David Brownell2009-10-082-8/+23
| | | | | | | | | | | | | | | | | | | | | | This abstracts the "jtag arp_init-reset" call into a method called from OpenOCD startup and reset processing. Platforms which have different requirements for how such hard resets must be performed can now override "init_reset" instead of needing to rebuild custom hacked versions of the server. Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
| * minor JTAG init messaging tweaksDavid Brownell2009-10-081-2/+4
| | | | | | | | Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
* | Added tip in documentation on how to translate quirky syntaxØyvind Harboe2009-10-092-1/+44
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* Function to flash SheevaPlug u-boot sectorsRabeeh Khoury2009-10-081-0/+11
| | | | | This function is used by the SheevaPlug installer to flash the erase and re-flash the U-Boot environment in the NAND Flash.
* initial builds of OSK5912 boards need srst_pulls_trstDavid Brownell2009-10-081-0/+4
| | | | | | | | | | | | This is clearly noted in the hardware spec (section 5.2.3); it works around a chip erratum: "If the MPU_RESET signal is used, it may cause the EMIFS bus to lock." I seem to have a board with such an initial build. The chip is labeled XOMAP. Presumably, parts without that "X" prefix (eXperimental) resolve this. Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
* prevent abort via polling during jtag_resetDavid Brownell2009-10-083-9/+51
| | | | | | | | | | | | | Observed: openocd: core.c:318: jtag_checks: Assertion `jtag_trst == 0' failed. The issue was that nothing disabled background polling during calls from the TCL shell to "jtag_reset 1 1". Fix by moving the existing poll-disable mechanism to the JTAG layer where it belongs, and then augmenting it to always pay attention to TRST and SRST. Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
* Stop ignoring most scan chain validation errorsDavid Brownell2009-10-082-15/+50
| | | | | | | | | | | | | | | | Among other things this causes startup errors to kick in the fallback "reset harder" logic during server startup. Comments are also updated a bit, explaining what the various error paths signify (in at least my observation). There's one class of validation error that we can still plausibly ignore: when wrong IDCODE values are observed. This change seems to have helped make an OMAP5912 behave much more reliably. There's still some post-reset flakiness, but it's unrelated to scan verification. Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
* Merge branch 'master' of ↵David Brownell2009-10-085-6/+35
|\ | | | | | | ssh://dbrownell@openocd.git.sourceforge.net/gitroot/openocd/openocd
| * Testing committing changes to .gitignore to ignore more build outputØyvind Harboe2009-10-081-0/+2
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| * Add .project to .gitignoreØyvind Harboe2009-10-081-0/+4
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| * Stop GDB when polling fails, srst assert or powerdropout is detectedØyvind Harboe2009-10-083-5/+25
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| * Update copyright statements. Make it easier to sync with Jim TclØyvind Harboe2009-10-081-1/+4
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* | make OMAP5912 resets more reliableDavid Brownell2009-10-071-0/+2
|/ | | | | | | Without some extra delay after releasing SRST, we seemed to be trying to talk to the TAP before it was ready to respond. Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
* iMX25 target supportJohn Rigby2009-10-071-0/+41
| | | | Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
* Houston, we have Mirror!David Brownell2009-10-072-0/+12
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* Merge branch 'master' of ↵David Brownell2009-10-071-1/+2
|\ | | | | | | ssh://dbrownell@openocd.git.sourceforge.net/gitroot/openocd/openocd
| * Merge branch 'master' of ↵David Brownell2009-10-071-1/+2
| |\ | | | | | | | | | ssh://dbrownell@openocd.git.sourceforge.net/gitroot/openocd/openocd
| | * Merge branch 'master' of ↵David Brownell2009-10-061-1/+2
| | |\ | | | | | | | | | | | | ssh://dbrownell@openocd.git.sourceforge.net/gitroot/openocd/openocd
| | | * Merge branch 'master' of ↵David Brownell2009-10-061-1/+2
| | | |\ | | | | | | | | | | | | | | | ssh://dbrownell@openocd.git.sourceforge.net/gitroot/openocd/openocd
| | | | * Merge branch 'master' of ↵David Brownell2009-10-051-1/+2
| | | | |\ | | | | | | | | | | | | | | | | | | ssh://dbrownell@openocd.git.sourceforge.net/gitroot/openocd/openocd
| | | | | * Merge branch 'master' of ↵David Brownell2009-10-051-1/+2
| | | | | |\ | | | | | | | | | | | | | | | | | | | | | ssh://dbrownell@openocd.git.sourceforge.net/gitroot/openocd/openocd
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