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* MIPS: remove ejtag_srst variantSpencer Oliver2010-03-172-17/+17
| | | | | | | | | | | The mips_m4k_assert_reset has now been restructured so the variant ejtag_srst is not required anymore. The ejtag software reset will be used if the target does not have srst connected. Remove ejtag_srst from docs. Signed-off-by: Spencer Oliver <ntfreak@users.sourceforge.net>
* gdb_server: improved gdb load performanceØyvind Harboe2010-03-171-8/+37
| | | | | | | | | | | by ack'ing memory writes immediately and reporting either at next memory write or stepi/continue time. GDB will then send off a new packet that is ready by the time the previous packet has been written to target memory. On faster adapters this can be as much as 10% improvement. Signed-off-by: Øyvind Harboe <oyvind.harboe@zylin.com>
* zy1000: tweak the DCC inner loop a tiny bitØyvind Harboe2010-03-171-5/+8
| | | | | | Uses FIFO a bit more efficiently now. Signed-off-by: Øyvind Harboe <oyvind.harboe@zylin.com>
* arm7/9: remove unused post_restore_contextØyvind Harboe2010-03-1710-20/+0
| | | | | | | Unused. If something should happen after context restore, then the calling code can just do it afterwards. Signed-off-by: Øyvind Harboe <oyvind.harboe@zylin.com>
* ADIv5 transport support moves to separate filesDavid Brownell2010-03-165-430/+589
| | | | | | | | | | | | | | | | | | | Unclutter arm_adi_v5.c by moving most transport-specific code to a transport-specific files adi_v5_{jtag,swd}.c ... it's not a full cleanup, because of some issues which need to be addressed as part of SWD support (along with implementing the DAP operations on top of SWD transport): - The mess where mem_ap_read_buf_u32() is currently coded to know about JTAG scan chains, and thus needs rewriting before it will work with SWD; - Initialization is still JTAG-specific Also move JTAG_{DP,ACK}_* constants from adi_v5.h to the JTAG file; no other code should care about those values. Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
* bitbang: add jtag_add_tms_seq supportØyvind Harboe2010-03-166-0/+33
| | | | Signed-off-by: Øyvind Harboe <oyvind.harboe@zylin.com>
* lpc3180: LPC3180(LPC3250) SLC driver implementedrichard vegh2010-03-162-9/+441
| | | | | | | | | | | | | | | | Until this time only basic SLC functionality exists when you want to use SLC to access external nand flash. Basic functionality can be selected with command: lpc3180 select 0 slc It is anyway very slow to write/read to/from nand flash. With the new command, SLC speed improved about 20 times, and hardware ECC info also read/written from/to nand flash OOB area: lpc3180 select 0 slc bulk Speed improvement achieved by using working are in SRAM of the LPC3250 chip and controlling DMA controller to interact between SRAM and SLC peripheral. Here are the patches, and if they are ok than take them. Tested with hitex LPC3250 usb stick. Signed-off-by: Øyvind Harboe <oyvind.harboe@zylin.com>
* image loading: fix problem with offsets > 0x80000000Bradey Honsinger2010-03-164-4/+4
| | | | | | | | | | | | | | | Fixes bug that prevented users from specifying a base address of 0x80000000 or higher in image commands (flash write_image, etm image, xscale trace_image). image.base_address is an offset from the start address contained in the image file (if there is one), or from 0 (for binary files). As a signed 32-bit int, it couldn't be greater than 0x7fffffff, which is a problem when trying to write a binary file to flash above that address. Changing it to a 64-bit long long keeps it as a signed offset, but allows it to cover the entire 32-bit address space. Signed-off-by: Øyvind Harboe <oyvind.harboe@zylin.com>
* move "reset_config" out of JTAG command groupDavid Brownell2010-03-151-11/+11
| | | | | | | | | | | | The SRST configuration options are not specific to JTAG, so this command may be needed with non-JTAG debug sessions. Just move the command to a different group. (The TRST options are, however, clearly JTAG-specific, but for compatibility, they're now left alone. The flags they control could later be disabled in non-JTAG sessions.) Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
* rename jtag_nsrst_assert_width as adapter_nsrst_assert_widthDavid Brownell2010-03-153-15/+17
| | | | | | | | | | | Globally rename "jtag_nsrst_assert_width" as "adapter_nsrst_assert_width", and move it out of the "jtag" command group ... it needs to be used with non-JTAG transports Includes a migration aid (in jtag/startup.tcl) so that old user scripts won't break. That aid should Sunset in about a year. Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
* rename jtag_nsrst_delay as adapter_nsrst_delayDavid Brownell2010-03-153-14/+15
| | | | | | | | | | | Globally rename "jtag_nsrst_delay" as "adapter_nsrst_delay", and move it out of the "jtag" command group ... it needs to be used with non-JTAG transports Includes a migration aid (in jtag/startup.tcl) so that old user scripts won't break. That aid should Sunset in about a year. Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
* rename jtag_khz as adapter_khzDavid Brownell2010-03-155-18/+28
| | | | | | | | | | | Globally rename "jtag_khz" as "adapter_khz", and move it out of the "jtag" command group ... it needs to be used with non-JTAG transports Includes a migration aid (in jtag/startup.tcl) so that old user scripts won't break. That aid should Sunset in about a year. (We may want to update it to include a nag message too.) Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
* FT2232: bulidfixSpencer Oliver2010-03-151-1/+1
| | | | | | Fix build issue with commit c23d4596d2239bdbba080499de837f53e0c89e59 Signed-off-by: Spencer Oliver <ntfreak@users.sourceforge.net>
* rename jtag_interface_{init,quit}()David Brownell2010-03-144-18/+21
| | | | | | | These routines apply to non-JTAG debug adapters too. To reduce confusion, give them better (non-misleading) names. Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
* FT2232: lookup and save layout just onceDavid Brownell2010-03-141-31/+39
| | | | | | | | | | | | | | Streamline use of the layout: have the "ft2232_layout" command look it up and save the result, instead of having a few different chunks of code looking it up later, and saving just its name (which is already part of the layout). This - is cleaner - reports errors sooner - facilitates earlier adapter-specific setup - removes unused "default to "usbjtag" logic Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
* fix xscale icache and dcache commandsMike Dunn2010-03-111-3/+3
| | | | | | | | | Simple patch that fixes the broken xscale icache and dcache commands. This broke when the helper functions and macros were changed. [ dbrownell@users.sourceforge.net: don't use strcasecmp ] Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
* versaloon cleanup patchDavid Brownell2010-03-111-321/+271
| | | | | | | | | | | | | Remove undesirable - backslashes at end-of-line; - initializations of BSS data to zero/NULL; - overlong lines (80+ characters) - whitespace issues - brackets around single-line statements And other minor issues reported by the Linux "checkpatch" utility Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
* New JTAG driver for Versaloonsimon qian2010-03-111-1072/+304
| | | | | | | | | | This patch greatly simplifies the Versaloon driver: - reducing the code size from more than 50K to less than 28K - adding support for IR/DR scan with unlimited size - using tap_get_tms_path and tap_get_tms_path_len. Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
* Add support for Bus Pirate as a JTAG adapter.Michal Demin2010-03-113-0/+978
| | | | | | | | This includes a driver and matching config file. This support needs to be enabled through the initial "configure" (use "--enable-buspirate"). Signed-off-by: Michal Demin <michaldemin@gmail.com> Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
* split "interface" commands from "jtag" onesDavid Brownell2010-03-113-5/+27
| | | | | | | | | | | | | | | | | | | | | | | | | We'll need to be able to work with debug adapter interfaces (drivers) even when they're not used for JTAG ... for example, while there are multi-transport drivers which support JTAG *and* several other transports (or just one more, like SWD) there are also adapters with more limited goals (and no JTAG support at all). Start decoupling the two concepts ("debug adapter driver", "jtag") by having two command groups, which initialize separately. This will help us support OpenOCD sessions using only non-JTAG transports, in which JTAG commands should not be registered. Update docs to mention that the JTAG, SVF, and XSVF commands won't work without a JTAG transport. Note that at least commands working with SRST are still inappropriately coupled to JTAG ... inappropriate because (a) SRST is not part of the JTAG standard, for all that many platforms (like ARM) expect it; and also (b) because they're used with non-JTAG debug and programming interfaces, too. They should perhaps become generic "interface" operations at some point. (Similarly with the clock rate to be used by a given adapter.) Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
* MIPS: make fixed code arrays static constSpencer Oliver2010-03-101-3/+3
| | | | Signed-off-by: Spencer Oliver <ntfreak@users.sourceforge.net>
* JLINK: user info message cleanupSpencer Oliver2010-03-101-29/+46
| | | | | | | - remove trailing LF's from user info messages. - split long lines. Signed-off-by: Spencer Oliver <ntfreak@users.sourceforge.net>
* PIC32: add flash algorithm supportSpencer Oliver2010-03-105-471/+234
| | | | | | | | | | | | | Add flash algorithm support for the PIC32MX. Still a few things todo but this dramatically decreases the programing time, eg. approx programming for 2.5k test file. - without fastload: 60secs - with fastload: 45secs - with fastload and algorithm: 2secs. Add new devices to supported list. Signed-off-by: Spencer Oliver <ntfreak@users.sourceforge.net>
* STM32: flash loader cleanupSpencer Oliver2010-03-101-12/+25
| | | | | | - make algorithm array static const. Signed-off-by: Spencer Oliver <ntfreak@users.sourceforge.net>
* STR7: flash loader cleanupSpencer Oliver2010-03-101-14/+30
| | | | | | | - make algorithm array static const. - increase algorithm buffer size to 32k. Signed-off-by: Spencer Oliver <ntfreak@users.sourceforge.net>
* STR9: flash loader cleanupSpencer Oliver2010-03-102-8/+19
| | | | | | | - make algorithm array static const. - increase algorithm buffer size to 32k. Signed-off-by: Spencer Oliver <ntfreak@users.sourceforge.net>
* ADUC702x: flash loader cleanupSpencer Oliver2010-03-101-1/+1
| | | | | | - make algorithm array static const. Signed-off-by: Spencer Oliver <ntfreak@users.sourceforge.net>
* CFI CORE: bug-fix protect single sectorAntonio Borneo2010-03-091-2/+2
| | | | | | | | Cannot protect or unprotect single sector in cfi flash. When first==last the procedure fails. Signed-off-by: Antonio Borneo <borneo.antonio@gmail.com> Signed-off-by: Øyvind Harboe <oyvind.harboe@zylin.com>
* move a constant table to .rodata sectionDavid Brownell2010-03-081-1/+1
| | | | | | | | | The table of command registration functions shouldn't be in writable memory, where stray pointers can clobber it. Also, it shouldn't be initialized at runtime; that just consumes needless code space. Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
* cfi: simplify and clearify codeAntonio Borneo2010-03-081-149/+75
| | | | | | | | | | | | | | | | At the end I have added comments /* FIXME: to be removed */ There are 3 lines in which my simplification is not complete due to data dependency with LOG_DEBUG() messages visible in the patch. Such log_debug has been introduced on Jan 22, 2007 with commit 4fc97d3f2726efa147cfdb0c456eace51550e1e3 during development activity in this file/procedure. From my point of view, these logs can be removed, since not part of a consistent flow of information. Alternatively, could be borrowed in the new cfi_send_command(), but this will increase verbosity. Signed-off-by: Øyvind Harboe <oyvind.harboe@zylin.com>
* zy1000: embedded ice dcc tweakØyvind Harboe2010-03-081-21/+48
| | | | | | | | | | How many bits to shift out before/after enabled tap not in bypass is calculated outside the loop. This is more of a demonstration of principle and to clarify code than a performance optimisation as such. Follows up a bit on the simplification work in jtag interface. Signed-off-by: Øyvind Harboe <oyvind.harboe@zylin.com>
* jtag: simplify jtag_add_plain_ir/dr_scanØyvind Harboe2010-03-0810-93/+69
| | | | | | | These fn's now clearly just clock out/in bits. No mystical fields are involved. Signed-off-by: Øyvind Harboe <oyvind.harboe@zylin.com>
* jtag: jtag_add_ir_scan() now takes a single fieldØyvind Harboe2010-03-0815-37/+46
| | | | | | | | In the code a single field was all that was ever used. Makes jtag_add_ir_scan() simpler and leaves more complicated stuff to jtag_add_plain_ir_scan(). Signed-off-by: Øyvind Harboe <oyvind.harboe@zylin.com>
* jtag: retire tap fieldØyvind Harboe2010-03-0830-359/+155
| | | | | | | | | | | | | | | | | jtag_add_dr/ir_scan() now takes the tap as the first argument, rather than for each of the fields passed in. The code never exercised the path where there was more than one tap being scanned, who knows if it even worked. This simplifies the implementation and reduces clutter in the calling code. use jtag_add_ir/dr_plain_scan() for more fancy situations. Signed-off-by: Øyvind Harboe <oyvind.harboe@zylin.com>
* CFI: review print of Voltage valuesAntonio Borneo2010-03-061-6/+6
| | | | | | | | | | | | JEDEC standard reports Vpp integer part encoded as 4 bit HEX value. To print it using decimal digits, %u is required. Other voltage values are coded as BCD, so %x is appropriate. Code already prints one nibble at a time, so no need for field width and precision in format string. Signed-off-by: Antonio Borneo <borneo.antonio@gmail.com> Signed-off-by: Øyvind Harboe <oyvind.harboe@zylin.com>
* ADIv5 share DAP command supportDavid Brownell2010-03-059-335/+174
| | | | | | | | | | | | | | Get rid of needless and undesirable code duplication for all the DAP commands (resolving a FIXME) ... there's no need for coreas to have private copies of that stuff. Stick a pointer to the DAP in "struct arm", letting common code get to it. Also rename the "swjdp_info" symbol; just call it "dap". This is an overall code shrink. Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
* minidriver: fix arm11 compilation problemØyvind Harboe2010-03-051-0/+6
| | | | Signed-off-by: Øyvind Harboe <oyvind.harboe@zylin.com>
* rename "swjdp_common" as "adiv5_dap"David Brownell2010-03-048-116/+114
| | | | | | | | | | | | | This partially corrects an inappropriate name choice (and its associated FIXME). There are still too many variables named "swjdp", bug little current code actually relies on them referencing an SWJ-DP instead of some other flavor of DAP. Only the two new dap_to{swd,jtag}() calls could behave differently on an SWJ-DP instead of a SW-DP or a JTAG-DP. Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
* NOR: trim range in flash_driver_protect()David Brownell2010-03-031-0/+57
| | | | | | | | | | | | | | | | | | | | | | When the beginning or end of the specified range of sectors already has the requested protection status, don't ask the flash driver to change those sectors. This will among other things turn command sequences like this into the NOPs one would expect: flash protect_check 0 flash info 0 ... reports everything as unprotected ... flash protect 0 0 1 off That speeds things up (by whatever work was just avoided). Also, with Stellaris (which can't unprotect flash at page level) this can eliminate some undesirable/false error reports. (And finishes fixing a bug currently listed in our bug database...) Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
* NOR: invalidate cached state on target resumeDavid Brownell2010-03-033-0/+44
| | | | | | | | | | | | | | | | | | | | The NOR infrastructure caches some per-sector state, but it's not used much ... because the cache is not trustworthy. This patch addresses one part of that problem, by ensuring that state cached by NOR drivers gets invalidated once we resume the target -- since targets may then modify sectors. Now if we see sector protection or erase status marked as anything other than "unknown", we should be able to rely on that as being accurate. (That is ... if we assume the drivers initialize and update this state correctly.) Another part of that problem is that the cached state isn't much used (being unreliable, it would have been unsafe). Those issues can be addressed in later patches. Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
* NOR: stellaris message tweaksDavid Brownell2010-03-031-4/+4
| | | | | | | | | | | | | | | Give a more accurate failure message when trying to unprotect; don't complain about pages being write protected, just say that unprotect is not supported by the hardware ... referencing the new "recover" command, which is the way to achieve that. Likewise, when trying to protect, talk about "pages" (matching hardware doc) not "sectors" (an concept that's alien to these chips). Also make the helptext for the "recover" command mention that it also erases the device. Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
* STM32: Add Value Line Flash Programming SupportSpencer Oliver2010-03-031-0/+36
| | | | Signed-off-by: Spencer Oliver <ntfreak@users.sourceforge.net>
* ADIv5: use new DAP ops for AP read/writeDavid Brownell2010-03-023-106/+79
| | | | | | | | | | | | | | | | | | | Make ADIv5 internals use the two new transport-neutral calls for reading and writing DP registers; and do the same for external callers. Also, bugfix some of their call sites to handle the fault returns, instead of ignoring them. Remove most of the JTAG-specific calls, using their code as the bodies of the JTAG-specific implementation for the new methods. NOTE that there's a remaining issue: mem_ap_read_buf_u32() makes calls which are JTAG-specific. A later patch will need to remove those, so JTAG-specific operations can be removed from this file, and so that SWD support will be able to properly drop in as just a transport layer to the ADIv5 infrastructure. (The way read results are posted may need some more attention in the transport-neutrality interface.) Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
* ADIv5: use new DAP ops for DP read/writeDavid Brownell2010-03-021-32/+38
| | | | | | | | | | | Make ADIv5 internals use the two new transport-neutral calls for reading and writing DP registers. Also, bugfix some of their call sites to handle the fault returns, instead of ignoring them. Remove the old JTAG-specific calls, using their code as the bodies of the JTAG-specific implementation for the new methods. Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
* ADIv5: use new dap_run() operationDavid Brownell2010-03-023-37/+74
| | | | | | | | | | Make ADIv5 use one of the new transport-neutral interfaces: call dap_run(), not jtagdp_transaction_endcheck(). Also, make that old interface private; and bugfix some of its call sites to handle the fault returns, instead of ignoring them. Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
* ARM: start abstracting ADIv5 transports (JTAG/SWD)David Brownell2010-03-022-0/+278
| | | | | | | | | | | | | | | | | | | | | | | | | | | | To support both JTAG and SWD, ADIv5 needs DAP operations which are transport-neutral, instead being of JTAG-specific. This patch: - Defines such a transport-neutral interface, abstracting access to DP and AP registers through a conceptual queue of operations. - Builds the first implementation of such a transport with the existing JTAG-specific code. In contrast to the current JTAG-only interface, the interface adds support for two previously-missing (and unused) DAP operations: - aborting the current AP transaction (untested); - reading the IDCODE register (tested) ... required for SWD init. The choice of transports may be fixed at the chip, board, or JTAG/SWD adapter level. Or if all the relevant hardware supports both transport options, the choice may be made at runtime, This patch provides basic infrastructure to support whichever choice is made. The current "JTAG-only" transport choice policy will necessarily continue for now, until SWD support becomes available in OpenOCD. Later patches start phasing out JTAG-specific calls in favor of transport-neutral calls. Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
* target_resume() doxygenDavid Brownell2010-03-021-3/+33
| | | | | | | | | | | Add doxygen for target_resume() ... referencing the still-unresolved confusion about what the "debug_execution" parameter means (not all CPU support code acts the same). The 'handle_breakpoints" param seems to have resolved the main issue with its semantics, but it wasn't part of the function spec before. Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
* LPC1768 updates, IAR board supportDavid Brownell2010-03-021-1/+9
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | Fix some issues with the generic LPC1768 config file: - Handle the post-reset clock config: 4 MHz internal RC, no PLL. This affects flash and JTAG clocking. - Remove JTAG adapter config; they don't all support trst_and_srst - Remove the rest of the bogus "reset-init" event handler. - Allow explicit CCLK configuration, instead of assuming 12 MHz; some boards will use 100 Mhz (or the post-reset 4 MHz). - Simplify: rely on defaults for endianness and IR-Capture value - Update some comments too Build on those fixes to make a trivial config for the IAR LPC1768 kickstart board (by Olimex) start working. Also, add doxygen to the lpc2000 flash driver, primarily to note a configuration problem with driver: it wrongly assumes the core clock rate never changes. Configs that are safe for updating flash after "reset halt" will thus often be unsafe later ... e.g. for LPC1768, after switching to use PLL0 at 100 MHz. Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
* ADIv5: use right ID for Cortex-M3 ETMDavid Brownell2010-03-021-4/+4
| | | | | | | | | Correct a mistake made copying the ID of the Cortex-M3 ETM module from the TRM, so that "dap info" on a CM3 with an ETM will now correctly describe ROM table entries for such modules. (They are included on LPC17xx and some other cores.) Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
* arm_semihosting buildfixDavid Brownell2010-03-011-8/+14
| | | | | | | | | | | | | | The recent "add armv7m semihosting support" patch introduced two build errors: arm_semihosting.c: In function ‘do_semihosting’: arm_semihosting.c:71: error: ‘spsr’ may be used uninitialized in this function arm_semihosting.c:71: error: ‘lr’ may be used uninitialized in this function This fixes those build errors. The behavior is, however, untested. (Also, note the two new REVISIT comments.) Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
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