Patch from Dimitar Dimitrov adding support for Olimex ARM-JTAG-EW
git-svn-id: svn://svn.berlios.de/openocd/trunk@1402 b42882b7-edfa-0310-969c-e2dbd0fdcd60
This commit is contained in:
duane
parent
0a85c3426b
commit
e211e4c6d2
11
configure.in
11
configure.in
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@ -273,6 +273,10 @@ AC_ARG_ENABLE(rlink,
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AS_HELP_STRING([--enable-rlink], [Enable building support for the Raisonance RLink JTAG Programmer]),
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AS_HELP_STRING([--enable-rlink], [Enable building support for the Raisonance RLink JTAG Programmer]),
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[build_rlink=$enableval], [build_rlink=no])
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[build_rlink=$enableval], [build_rlink=no])
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AC_ARG_ENABLE(arm-jtag-ew,
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AS_HELP_STRING([--enable-arm-jtag-ew], [Enable building support for the Olimex ARM-JTAG-EW Programmer]),
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[build_armjtagew=$enableval], [build_armjtagew=no])
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case $host in
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case $host in
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*-cygwin*)
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*-cygwin*)
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is_win32=yes
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is_win32=yes
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@ -448,6 +452,12 @@ else
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AC_DEFINE(BUILD_RLINK, 0, [0 if you don't want the RLink JTAG driver.])
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AC_DEFINE(BUILD_RLINK, 0, [0 if you don't want the RLink JTAG driver.])
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fi
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fi
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if test $build_armjtagew = yes; then
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AC_DEFINE(BUILD_ARMJTAGEW, 1, [1 if you want the ARM-JTAG-EW JTAG driver.])
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else
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AC_DEFINE(BUILD_ARMJTAGEW, 0, [0 if you don't want the ARM-JTAG-EW JTAG driver.])
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fi
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#-- Deal with MingW/Cygwin FTD2XX issues
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#-- Deal with MingW/Cygwin FTD2XX issues
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if test $is_win32 = yes; then
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if test $is_win32 = yes; then
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@ -661,6 +671,7 @@ AM_CONDITIONAL(OOCD_TRACE, test $build_oocd_trace = yes)
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AM_CONDITIONAL(JLINK, test $build_jlink = yes)
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AM_CONDITIONAL(JLINK, test $build_jlink = yes)
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AM_CONDITIONAL(VSLLINK, test $build_vsllink = yes)
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AM_CONDITIONAL(VSLLINK, test $build_vsllink = yes)
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AM_CONDITIONAL(RLINK, test $build_rlink = yes)
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AM_CONDITIONAL(RLINK, test $build_rlink = yes)
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AM_CONDITIONAL(ARMJTAGEW, test $build_armjtagew = yes)
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AM_CONDITIONAL(IS_CYGWIN, test $is_cygwin = yes)
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AM_CONDITIONAL(IS_CYGWIN, test $is_cygwin = yes)
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AM_CONDITIONAL(IS_MINGW, test $is_mingw = yes)
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AM_CONDITIONAL(IS_MINGW, test $is_mingw = yes)
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AM_CONDITIONAL(IS_WIN32, test $is_win32 = yes)
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AM_CONDITIONAL(IS_WIN32, test $is_win32 = yes)
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@ -21,5 +21,8 @@ SYSFS{idVendor}=="1366", SYSFS{idProduct}=="0101", MODE="664", GROUP="plugdev"
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# Raisonance RLink
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# Raisonance RLink
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SYSFS{idVendor}=="138e", SYSFS{idProduct}=="9000", MODE="664", GROUP="plugdev"
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SYSFS{idVendor}=="138e", SYSFS{idProduct}=="9000", MODE="664", GROUP="plugdev"
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# Olimex ARM-JTAG-EW
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SYSFS{idVendor}=="15ba", SYSFS{idProduct}=="001e", MODE="664", GROUP="plugdev"
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LABEL="openocd_rules_end"
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LABEL="openocd_rules_end"
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@ -265,6 +265,8 @@ should be included:
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@option{--enable-vsllink}
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@option{--enable-vsllink}
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@item
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@item
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@option{--enable-rlink} - Raisonance.com dongle.
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@option{--enable-rlink} - Raisonance.com dongle.
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@item
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@option{--enable-arm-jtag-ew} - Olimex ARM-JTAG-EW dongle.
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@end itemize
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@end itemize
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@section Parallel Port Dongles
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@section Parallel Port Dongles
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@ -445,6 +447,9 @@ Raisonance has an adapter called @b{RLink}. It exists in a stripped-down form o
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@item @b{Versaloon-Link}
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@item @b{Versaloon-Link}
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@* Link: @url{http://www.simonqian.com/en/Versaloon}
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@* Link: @url{http://www.simonqian.com/en/Versaloon}
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@item @b{ARM-JTAG-EW}
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@* Link: @url{http://www.olimex.com/dev/arm-jtag-ew.html}
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@end itemize
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@end itemize
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@section IBM PC Parallel Printer Port Based
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@section IBM PC Parallel Printer Port Based
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@ -1144,6 +1149,10 @@ parport_port 0xc8b8
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parport_cable wiggler
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parport_cable wiggler
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jtag_speed 0
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jtag_speed 0
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@end verbatim
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@end verbatim
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@b{ARM-JTAG-EW}
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@verbatim
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interface arm-jtag-ew
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@end verbatim
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@section Interface Conmmand
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@section Interface Conmmand
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The interface command tells OpenOCD what type of jtag dongle you are
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The interface command tells OpenOCD what type of jtag dongle you are
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@ -1192,6 +1201,9 @@ libusb.
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@item @b{vsllink}
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@item @b{vsllink}
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@* vsllink is part of Versaloon which is a versatile USB programmer.
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@* vsllink is part of Versaloon which is a versatile USB programmer.
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@item @b{arm-jtag-ew}
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@* Olimex ARM-JTAG-EW usb adapter
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@comment - End parameters
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@comment - End parameters
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@end itemize
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@end itemize
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@comment - End Interface
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@comment - End Interface
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@ -102,8 +102,14 @@ else
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VSLLINKFILES =
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VSLLINKFILES =
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endif
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endif
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if ARMJTAGEW
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ARMJTAGEWFILES = arm-jtag-ew.c
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else
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ARMJTAGEWFILES =
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endif
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libjtag_a_SOURCES = jtag.c $(BITBANGFILES) $(PARPORTFILES) $(DUMMYFILES) $(FT2232FILES) $(AMTJTAGACCELFILES) $(EP93XXFILES) \
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libjtag_a_SOURCES = jtag.c $(BITBANGFILES) $(PARPORTFILES) $(DUMMYFILES) $(FT2232FILES) $(AMTJTAGACCELFILES) $(EP93XXFILES) \
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$(AT91RM9200FILES) $(GW16012FILES) $(BITQFILES) $(PRESTOFILES) $(USBPROGFILES) $(ECOSBOARDFILES) $(JLINKFILES) $(RLINKFILES) $(VSLLINKFILES)
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$(AT91RM9200FILES) $(GW16012FILES) $(BITQFILES) $(PRESTOFILES) $(USBPROGFILES) $(ECOSBOARDFILES) $(JLINKFILES) $(RLINKFILES) $(VSLLINKFILES) $(ARMJTAGEWFILES)
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noinst_HEADERS = bitbang.h jtag.h bitq.h rlink/dtc_cmd.h rlink/ep1_cmd.h rlink/rlink.h rlink/st7.h
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noinst_HEADERS = bitbang.h jtag.h bitq.h rlink/dtc_cmd.h rlink/ep1_cmd.h rlink/rlink.h rlink/st7.h
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@ -0,0 +1,903 @@
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// vim:ts=4 sw=4:
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/***************************************************************************
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* Copyright (C) 2009 by Dimitar Dimitrov <dinuxbg@gmail.com> *
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* based on Dominic Rath's and Benedikt Sauter's usbprog.c *
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* *
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* This program is free software; you can redistribute it and/or modify *
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* it under the terms of the GNU General Public License as published by *
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* the Free Software Foundation; either version 2 of the License, or *
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* (at your option) any later version. *
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* *
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* This program is distributed in the hope that it will be useful, *
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* but WITHOUT ANY WARRANTY; without even the implied warranty of *
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
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* GNU General Public License for more details. *
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* *
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* You should have received a copy of the GNU General Public License *
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* along with this program; if not, write to the *
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* Free Software Foundation, Inc., *
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* 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *
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***************************************************************************/
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#ifdef HAVE_CONFIG_H
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#include "config.h"
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#endif
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#include "replacements.h"
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#include "jtag.h"
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#include <usb.h>
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#include <string.h>
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#include <ctype.h>
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/* system includes */
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#include "log.h"
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/* enable this to debug communication
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*/
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#if 1
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#define _DEBUG_USB_COMMS_
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#define _DEBUG_JTAG_IO_
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#endif
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#ifdef _DEBUG_JTAG_IO_
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#define DEBUG_JTAG_IO(expr ...) LOG_DEBUG(expr)
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#else
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#define DEBUG_JTAG_IO(expr ...)
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#endif
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#define USB_VID 0x15ba
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#define USB_PID 0x001e
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#define ARMJTAGEW_EPT_BULK_OUT 0x01u
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#define ARMJTAGEW_EPT_BULK_IN 0x82u
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#define ARMJTAGEW_USB_TIMEOUT 2000
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#define ARMJTAGEW_IN_BUFFER_SIZE (4*1024)
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#define ARMJTAGEW_OUT_BUFFER_SIZE (4*1024)
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/* USB command request codes. */
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#define CMD_GET_VERSION 0x00
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#define CMD_SELECT_DPIMPL 0x10
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#define CMD_SET_TCK_FREQUENCY 0x11
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#define CMD_GET_TCK_FREQUENCY 0x12
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#define CMD_MEASURE_MAX_TCK_FREQ 0x15
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#define CMD_MEASURE_RTCK_RESPONSE 0x16
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#define CMD_TAP_SHIFT 0x17
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#define CMD_SET_TAPHW_STATE 0x20
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#define CMD_GET_TAPHW_STATE 0x21
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#define CMD_TGPWR_SETUP 0x22
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/* Global USB buffers */
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static u8 usb_in_buffer[ARMJTAGEW_IN_BUFFER_SIZE];
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static u8 usb_out_buffer[ARMJTAGEW_OUT_BUFFER_SIZE];
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/* External interface functions */
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int armjtagew_execute_queue(void);
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int armjtagew_speed(int speed);
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int armjtagew_khz(int khz, int *jtag_speed);
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int armjtagew_register_commands(struct command_context_s *cmd_ctx);
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int armjtagew_init(void);
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int armjtagew_quit(void);
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/* CLI command handler functions */
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int armjtagew_handle_armjtagew_info_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
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/* Queue command functions */
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void armjtagew_end_state(tap_state_t state);
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void armjtagew_state_move(void);
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void armjtagew_path_move(int num_states, tap_state_t *path);
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void armjtagew_runtest(int num_cycles);
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void armjtagew_scan(int ir_scan, enum scan_type type, u8 *buffer, int scan_size, scan_command_t *command);
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void armjtagew_reset(int trst, int srst);
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void armjtagew_simple_command(u8 command);
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int armjtagew_get_status(void);
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/* tap buffer functions */
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void armjtagew_tap_init(void);
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int armjtagew_tap_execute(void);
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void armjtagew_tap_ensure_space(int scans, int bits);
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void armjtagew_tap_append_step(int tms, int tdi);
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void armjtagew_tap_append_scan(int length, u8 *buffer, scan_command_t *command);
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/* ARM-JTAG-EW lowlevel functions */
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typedef struct armjtagew_jtag
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{
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struct usb_dev_handle* usb_handle;
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} armjtagew_jtag_t;
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armjtagew_jtag_t *armjtagew_usb_open(void);
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void armjtagew_usb_close(armjtagew_jtag_t *armjtagew_jtag);
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int armjtagew_usb_message(armjtagew_jtag_t *armjtagew_jtag, int out_length, int in_length);
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int armjtagew_usb_write(armjtagew_jtag_t *armjtagew_jtag, int out_length);
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int armjtagew_usb_read(armjtagew_jtag_t *armjtagew_jtag, int exp_in_length);
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/* helper functions */
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int armjtagew_get_version_info(void);
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#ifdef _DEBUG_USB_COMMS_
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void armjtagew_debug_buffer(u8 *buffer, int length);
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#endif
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armjtagew_jtag_t* armjtagew_jtag_handle;
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/***************************************************************************/
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/* External interface implementation */
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jtag_interface_t armjtagew_interface =
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{
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.name = "arm-jtag-ew",
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.execute_queue = armjtagew_execute_queue,
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.speed = armjtagew_speed,
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.khz = armjtagew_khz,
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.register_commands = armjtagew_register_commands,
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.init = armjtagew_init,
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.quit = armjtagew_quit
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};
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int armjtagew_execute_queue(void)
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{
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jtag_command_t *cmd = jtag_command_queue;
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int scan_size;
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enum scan_type type;
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u8 *buffer;
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while (cmd != NULL)
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{
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switch (cmd->type)
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{
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case JTAG_END_STATE:
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DEBUG_JTAG_IO("end_state: %i", cmd->cmd.end_state->end_state);
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if (cmd->cmd.end_state->end_state != -1)
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{
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armjtagew_end_state(cmd->cmd.end_state->end_state);
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}
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break;
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case JTAG_RUNTEST:
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DEBUG_JTAG_IO( "runtest %i cycles, end in %i", cmd->cmd.runtest->num_cycles, \
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cmd->cmd.runtest->end_state);
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if (cmd->cmd.runtest->end_state != -1)
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{
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armjtagew_end_state(cmd->cmd.runtest->end_state);
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}
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armjtagew_runtest(cmd->cmd.runtest->num_cycles);
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break;
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case JTAG_STATEMOVE:
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DEBUG_JTAG_IO("statemove end in %i", cmd->cmd.statemove->end_state);
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if (cmd->cmd.statemove->end_state != -1)
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{
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armjtagew_end_state(cmd->cmd.statemove->end_state);
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}
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armjtagew_state_move();
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break;
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case JTAG_PATHMOVE:
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DEBUG_JTAG_IO("pathmove: %i states, end in %i", \
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cmd->cmd.pathmove->num_states, \
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cmd->cmd.pathmove->path[cmd->cmd.pathmove->num_states - 1]);
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armjtagew_path_move(cmd->cmd.pathmove->num_states, cmd->cmd.pathmove->path);
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break;
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case JTAG_SCAN:
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DEBUG_JTAG_IO("scan end in %i", cmd->cmd.scan->end_state);
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if (cmd->cmd.scan->end_state != -1)
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{
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armjtagew_end_state(cmd->cmd.scan->end_state);
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}
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scan_size = jtag_build_buffer(cmd->cmd.scan, &buffer);
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DEBUG_JTAG_IO("scan input, length = %d", scan_size);
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#ifdef _DEBUG_USB_COMMS_
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armjtagew_debug_buffer(buffer, (scan_size + 7) / 8);
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#endif
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type = jtag_scan_type(cmd->cmd.scan);
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armjtagew_scan(cmd->cmd.scan->ir_scan, type, buffer, scan_size, cmd->cmd.scan);
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break;
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case JTAG_RESET:
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DEBUG_JTAG_IO("reset trst: %i srst %i", cmd->cmd.reset->trst, cmd->cmd.reset->srst);
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armjtagew_tap_execute();
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if (cmd->cmd.reset->trst == 1)
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||||||
|
{
|
||||||
|
tap_set_state(TAP_RESET);
|
||||||
|
}
|
||||||
|
armjtagew_reset(cmd->cmd.reset->trst, cmd->cmd.reset->srst);
|
||||||
|
break;
|
||||||
|
|
||||||
|
case JTAG_SLEEP:
|
||||||
|
DEBUG_JTAG_IO("sleep %i", cmd->cmd.sleep->us);
|
||||||
|
armjtagew_tap_execute();
|
||||||
|
jtag_sleep(cmd->cmd.sleep->us);
|
||||||
|
break;
|
||||||
|
|
||||||
|
default:
|
||||||
|
LOG_ERROR("BUG: unknown JTAG command type encountered");
|
||||||
|
exit(-1);
|
||||||
|
}
|
||||||
|
cmd = cmd->next;
|
||||||
|
}
|
||||||
|
|
||||||
|
return armjtagew_tap_execute();
|
||||||
|
}
|
||||||
|
|
||||||
|
|
||||||
|
/* Sets speed in kHz. */
|
||||||
|
int armjtagew_speed(int speed)
|
||||||
|
{
|
||||||
|
int result;
|
||||||
|
int speed_real;
|
||||||
|
|
||||||
|
|
||||||
|
usb_out_buffer[0] = CMD_SET_TCK_FREQUENCY;
|
||||||
|
buf_set_u32(usb_out_buffer+1, 0, 32, speed);
|
||||||
|
|
||||||
|
result = armjtagew_usb_message(armjtagew_jtag_handle, 4, 4);
|
||||||
|
|
||||||
|
if (result < 0)
|
||||||
|
{
|
||||||
|
LOG_ERROR("ARM-JTAG-EW setting speed failed (%d)", result);
|
||||||
|
return ERROR_JTAG_DEVICE_ERROR;
|
||||||
|
}
|
||||||
|
|
||||||
|
usb_out_buffer[0] = CMD_GET_TCK_FREQUENCY;
|
||||||
|
result = armjtagew_usb_message(armjtagew_jtag_handle, 1, 4);
|
||||||
|
speed_real = (int)buf_get_u32(usb_in_buffer,0,32);
|
||||||
|
if(result < 0)
|
||||||
|
{
|
||||||
|
LOG_ERROR("ARM-JTAG-EW getting speed failed (%d)", result);
|
||||||
|
return ERROR_JTAG_DEVICE_ERROR;
|
||||||
|
}
|
||||||
|
else
|
||||||
|
{
|
||||||
|
LOG_INFO("Requested speed %dkHz, emulator reported %dkHz.", speed, speed_real);
|
||||||
|
}
|
||||||
|
|
||||||
|
return ERROR_OK;
|
||||||
|
}
|
||||||
|
|
||||||
|
|
||||||
|
int armjtagew_khz(int khz, int *jtag_speed)
|
||||||
|
{
|
||||||
|
*jtag_speed = khz;
|
||||||
|
|
||||||
|
return ERROR_OK;
|
||||||
|
}
|
||||||
|
|
||||||
|
int armjtagew_register_commands(struct command_context_s *cmd_ctx)
|
||||||
|
{
|
||||||
|
register_command(cmd_ctx, NULL, "armjtagew_info", armjtagew_handle_armjtagew_info_command, COMMAND_EXEC,
|
||||||
|
"query armjtagew info");
|
||||||
|
return ERROR_OK;
|
||||||
|
}
|
||||||
|
|
||||||
|
int armjtagew_init(void)
|
||||||
|
{
|
||||||
|
int check_cnt;
|
||||||
|
|
||||||
|
armjtagew_jtag_handle = armjtagew_usb_open();
|
||||||
|
|
||||||
|
if (armjtagew_jtag_handle == 0)
|
||||||
|
{
|
||||||
|
LOG_ERROR("Cannot find ARM-JTAG-EW Interface! Please check connection and permissions.");
|
||||||
|
return ERROR_JTAG_INIT_FAILED;
|
||||||
|
}
|
||||||
|
|
||||||
|
check_cnt = 0;
|
||||||
|
while (check_cnt < 3)
|
||||||
|
{
|
||||||
|
if (armjtagew_get_version_info() == ERROR_OK)
|
||||||
|
{
|
||||||
|
/* attempt to get status */
|
||||||
|
armjtagew_get_status();
|
||||||
|
break;
|
||||||
|
}
|
||||||
|
|
||||||
|
check_cnt++;
|
||||||
|
}
|
||||||
|
|
||||||
|
if (check_cnt == 3)
|
||||||
|
{
|
||||||
|
LOG_INFO("ARM-JTAG-EW initial read failed, don't worry");
|
||||||
|
}
|
||||||
|
|
||||||
|
LOG_INFO("ARM-JTAG-EW JTAG Interface ready");
|
||||||
|
|
||||||
|
armjtagew_reset(0, 0);
|
||||||
|
armjtagew_tap_init();
|
||||||
|
|
||||||
|
return ERROR_OK;
|
||||||
|
}
|
||||||
|
|
||||||
|
int armjtagew_quit(void)
|
||||||
|
{
|
||||||
|
armjtagew_usb_close(armjtagew_jtag_handle);
|
||||||
|
return ERROR_OK;
|
||||||
|
}
|
||||||
|
|
||||||
|
/***************************************************************************/
|
||||||
|
/* Queue command implementations */
|
||||||
|
|
||||||
|
void armjtagew_end_state(tap_state_t state)
|
||||||
|
{
|
||||||
|
if (tap_is_state_stable(state))
|
||||||
|
{
|
||||||
|
tap_set_end_state(state);
|
||||||
|
}
|
||||||
|
else
|
||||||
|
{
|
||||||
|
LOG_ERROR("BUG: %i is not a valid end state", state);
|
||||||
|
exit(-1);
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
/* Goes to the end state. */
|
||||||
|
void armjtagew_state_move(void)
|
||||||
|
{
|
||||||
|
int i;
|
||||||
|
int tms = 0;
|
||||||
|
u8 tms_scan = tap_get_tms_path(tap_get_state(), tap_get_end_state());
|
||||||
|
|
||||||
|
for (i = 0; i < 7; i++)
|
||||||
|
{
|
||||||
|
tms = (tms_scan >> i) & 1;
|
||||||
|
armjtagew_tap_append_step(tms, 0);
|
||||||
|
}
|
||||||
|
|
||||||
|
tap_set_state(tap_get_end_state());
|
||||||
|
}
|
||||||
|
|
||||||
|
void armjtagew_path_move(int num_states, tap_state_t *path)
|
||||||
|
{
|
||||||
|
int i;
|
||||||
|
|
||||||
|
for (i = 0; i < num_states; i++)
|
||||||
|
{
|
||||||
|
/*
|
||||||
|
* TODO: The ARM-JTAG-EW hardware delays TDI with 3 TCK cycles when in RTCK mode.
|
||||||
|
* Either handle that here, or update the documentation with examples
|
||||||
|
* how to fix that in the configuration files.
|
||||||
|
*/
|
||||||
|
if (path[i] == tap_state_transition(tap_get_state(), false))
|
||||||
|
{
|
||||||
|
armjtagew_tap_append_step(0, 0);
|
||||||
|
}
|
||||||
|
else if (path[i] == tap_state_transition(tap_get_state(), true))
|
||||||
|
{
|
||||||
|
armjtagew_tap_append_step(1, 0);
|
||||||
|
}
|
||||||
|
else
|
||||||
|
{
|
||||||
|
LOG_ERROR("BUG: %s -> %s isn't a valid TAP transition", tap_state_name(tap_get_state()), tap_state_name(path[i]));
|
||||||
|
exit(-1);
|
||||||
|
}
|
||||||
|
|
||||||
|
tap_set_state(path[i]);
|
||||||
|
}
|
||||||
|
|
||||||
|
tap_set_end_state(tap_get_state());
|
||||||
|
}
|
||||||
|
|
||||||
|
void armjtagew_runtest(int num_cycles)
|
||||||
|
{
|
||||||
|
int i;
|
||||||
|
|
||||||
|
tap_state_t saved_end_state = tap_get_end_state();
|
||||||
|
|
||||||
|
/* only do a state_move when we're not already in IDLE */
|
||||||
|
if (tap_get_state() != TAP_IDLE)
|
||||||
|
{
|
||||||
|
armjtagew_end_state(TAP_IDLE);
|
||||||
|
armjtagew_state_move();
|
||||||
|
}
|
||||||
|
|
||||||
|
/* execute num_cycles */
|
||||||
|
for (i = 0; i < num_cycles; i++)
|
||||||
|
{
|
||||||
|
armjtagew_tap_append_step(0, 0);
|
||||||
|
}
|
||||||
|
|
||||||
|
/* finish in end_state */
|
||||||
|
armjtagew_end_state(saved_end_state);
|
||||||
|
if (tap_get_state() != tap_get_end_state())
|
||||||
|
{
|
||||||
|
armjtagew_state_move();
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
void armjtagew_scan(int ir_scan, enum scan_type type, u8 *buffer, int scan_size, scan_command_t *command)
|
||||||
|
{
|
||||||
|
tap_state_t saved_end_state;
|
||||||
|
|
||||||
|
armjtagew_tap_ensure_space(1, scan_size + 8);
|
||||||
|
|
||||||
|
saved_end_state = tap_get_end_state();
|
||||||
|
|
||||||
|
/* Move to appropriate scan state */
|
||||||
|
armjtagew_end_state(ir_scan ? TAP_IRSHIFT : TAP_DRSHIFT);
|
||||||
|
|
||||||
|
armjtagew_state_move();
|
||||||
|
armjtagew_end_state(saved_end_state);
|
||||||
|
|
||||||
|
/* Scan */
|
||||||
|
armjtagew_tap_append_scan(scan_size, buffer, command);
|
||||||
|
|
||||||
|
/* We are in Exit1, go to Pause */
|
||||||
|
armjtagew_tap_append_step(0, 0);
|
||||||
|
|
||||||
|
tap_set_state(ir_scan ? TAP_IRPAUSE : TAP_DRPAUSE);
|
||||||
|
|
||||||
|
if (tap_get_state() != tap_get_end_state())
|
||||||
|
{
|
||||||
|
armjtagew_state_move();
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
void armjtagew_reset(int trst, int srst)
|
||||||
|
{
|
||||||
|
const u8 trst_mask = (1u<<5);
|
||||||
|
const u8 srst_mask = (1u<<6);
|
||||||
|
u8 val = 0;
|
||||||
|
u8 outp_en = 0;
|
||||||
|
u8 change_mask = 0;
|
||||||
|
int result;
|
||||||
|
|
||||||
|
LOG_DEBUG("trst: %i, srst: %i", trst, srst);
|
||||||
|
|
||||||
|
if (srst == 0)
|
||||||
|
{
|
||||||
|
val |= srst_mask;
|
||||||
|
outp_en &= ~srst_mask; /* tristate */
|
||||||
|
change_mask |= srst_mask;
|
||||||
|
}
|
||||||
|
else if (srst == 1)
|
||||||
|
{
|
||||||
|
val &= ~srst_mask;
|
||||||
|
outp_en |= srst_mask;
|
||||||
|
change_mask |= srst_mask;
|
||||||
|
}
|
||||||
|
|
||||||
|
if (trst == 0)
|
||||||
|
{
|
||||||
|
val |= trst_mask;
|
||||||
|
outp_en &= ~trst_mask; /* tristate */
|
||||||
|
change_mask |= trst_mask;
|
||||||
|
}
|
||||||
|
else if (trst == 1)
|
||||||
|
{
|
||||||
|
val &= ~trst_mask;
|
||||||
|
outp_en |= trst_mask;
|
||||||
|
change_mask |= trst_mask;
|
||||||
|
}
|
||||||
|
|
||||||
|
usb_out_buffer[0] = CMD_SET_TAPHW_STATE;
|
||||||
|
usb_out_buffer[1] = val;
|
||||||
|
usb_out_buffer[2] = outp_en;
|
||||||
|
usb_out_buffer[3] = change_mask;
|
||||||
|
result = armjtagew_usb_write(armjtagew_jtag_handle, 4);
|
||||||
|
if (result != 4)
|
||||||
|
{
|
||||||
|
LOG_ERROR("ARM-JTAG-EW TRST/SRST pin set failed failed (%d)", result);
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
|
||||||
|
int armjtagew_get_status(void)
|
||||||
|
{
|
||||||
|
int result;
|
||||||
|
|
||||||
|
usb_out_buffer[0] = CMD_GET_TAPHW_STATE;
|
||||||
|
result = armjtagew_usb_message(armjtagew_jtag_handle, 1, 12);
|
||||||
|
|
||||||
|
if (result == 0)
|
||||||
|
{
|
||||||
|
unsigned int u_tg = buf_get_u32(usb_in_buffer, 0, 16);
|
||||||
|
LOG_INFO("U_tg = %d mV, U_aux = %d mV, U_tgpwr = %d mV, I_tgpwr = %d mA, D1 = %d, Target power %s %s\n", \
|
||||||
|
buf_get_u32(usb_in_buffer + 0, 0, 16), \
|
||||||
|
buf_get_u32(usb_in_buffer + 2, 0, 16), \
|
||||||
|
buf_get_u32(usb_in_buffer + 4, 0, 16), \
|
||||||
|
buf_get_u32(usb_in_buffer + 6, 0, 16), \
|
||||||
|
usb_in_buffer[9], \
|
||||||
|
usb_in_buffer[11] ? "OVERCURRENT" : "OK", \
|
||||||
|
usb_in_buffer[10] ? "enabled" : "disabled");
|
||||||
|
|
||||||
|
if (u_tg < 1500)
|
||||||
|
{
|
||||||
|
LOG_ERROR("Vref too low. Check Target Power\n");
|
||||||
|
}
|
||||||
|
}
|
||||||
|
else
|
||||||
|
{
|
||||||
|
LOG_ERROR("ARM-JTAG-EW command CMD_GET_TAPHW_STATE failed (%d)\n", result);
|
||||||
|
}
|
||||||
|
|
||||||
|
return ERROR_OK;
|
||||||
|
}
|
||||||
|
|
||||||
|
int armjtagew_get_version_info(void)
|
||||||
|
{
|
||||||
|
int result;
|
||||||
|
char sn[16];
|
||||||
|
char auxinfo[257];
|
||||||
|
|
||||||
|
/* query hardware version */
|
||||||
|
usb_out_buffer[0] = CMD_GET_VERSION;
|
||||||
|
result = armjtagew_usb_message(armjtagew_jtag_handle, 1, 4+15+256);
|
||||||
|
|
||||||
|
if (result != 0)
|
||||||
|
{
|
||||||
|
LOG_ERROR("ARM-JTAG-EW command CMD_GET_VERSION failed (%d)\n", result);
|
||||||
|
return ERROR_JTAG_DEVICE_ERROR;
|
||||||
|
}
|
||||||
|
|
||||||
|
|
||||||
|
memcpy(sn, usb_in_buffer+4, 15);
|
||||||
|
sn[15] = '\0';
|
||||||
|
memcpy(auxinfo, usb_in_buffer+4+15, 256);
|
||||||
|
auxinfo[256] = '\0';
|
||||||
|
|
||||||
|
LOG_INFO("ARM-JTAG-EW firmware version %d.%d, hardware revision %c, SN=%s, Additional info: %s", \
|
||||||
|
usb_in_buffer[1], usb_in_buffer[0], \
|
||||||
|
isgraph(usb_in_buffer[2]) ? usb_in_buffer[2] : 'X', \
|
||||||
|
sn, auxinfo);
|
||||||
|
return ERROR_OK;
|
||||||
|
}
|
||||||
|
|
||||||
|
int armjtagew_handle_armjtagew_info_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
|
||||||
|
{
|
||||||
|
if (armjtagew_get_version_info() == ERROR_OK)
|
||||||
|
{
|
||||||
|
/* attempt to get status */
|
||||||
|
armjtagew_get_status();
|
||||||
|
}
|
||||||
|
|
||||||
|
return ERROR_OK;
|
||||||
|
}
|
||||||
|
|
||||||
|
/***************************************************************************/
|
||||||
|
/* ARM-JTAG-EW tap functions */
|
||||||
|
|
||||||
|
/* 2048 is the max value we can use here */
|
||||||
|
#define ARMJTAGEW_TAP_BUFFER_SIZE 2048
|
||||||
|
|
||||||
|
static int tap_length;
|
||||||
|
static u8 tms_buffer[ARMJTAGEW_TAP_BUFFER_SIZE];
|
||||||
|
static u8 tdi_buffer[ARMJTAGEW_TAP_BUFFER_SIZE];
|
||||||
|
static u8 tdo_buffer[ARMJTAGEW_TAP_BUFFER_SIZE];
|
||||||
|
|
||||||
|
typedef struct
|
||||||
|
{
|
||||||
|
int first; /* First bit position in tdo_buffer to read */
|
||||||
|
int length; /* Number of bits to read */
|
||||||
|
scan_command_t *command; /* Corresponding scan command */
|
||||||
|
u8 *buffer;
|
||||||
|
} pending_scan_result_t;
|
||||||
|
|
||||||
|
#define MAX_PENDING_SCAN_RESULTS 256
|
||||||
|
|
||||||
|
static int pending_scan_results_length;
|
||||||
|
static pending_scan_result_t pending_scan_results_buffer[MAX_PENDING_SCAN_RESULTS];
|
||||||
|
|
||||||
|
static int last_tms;
|
||||||
|
|
||||||
|
void armjtagew_tap_init(void)
|
||||||
|
{
|
||||||
|
tap_length = 0;
|
||||||
|
pending_scan_results_length = 0;
|
||||||
|
}
|
||||||
|
|
||||||
|
void armjtagew_tap_ensure_space(int scans, int bits)
|
||||||
|
{
|
||||||
|
int available_scans = MAX_PENDING_SCAN_RESULTS - pending_scan_results_length;
|
||||||
|
int available_bits = ARMJTAGEW_TAP_BUFFER_SIZE * 8 - tap_length;
|
||||||
|
|
||||||
|
if (scans > available_scans || bits > available_bits)
|
||||||
|
{
|
||||||
|
armjtagew_tap_execute();
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
void armjtagew_tap_append_step(int tms, int tdi)
|
||||||
|
{
|
||||||
|
last_tms = tms;
|
||||||
|
int index = tap_length / 8;
|
||||||
|
|
||||||
|
if (index < ARMJTAGEW_TAP_BUFFER_SIZE)
|
||||||
|
{
|
||||||
|
int bit_index = tap_length % 8;
|
||||||
|
u8 bit = 1 << bit_index;
|
||||||
|
|
||||||
|
if (tms)
|
||||||
|
{
|
||||||
|
tms_buffer[index] |= bit;
|
||||||
|
}
|
||||||
|
else
|
||||||
|
{
|
||||||
|
tms_buffer[index] &= ~bit;
|
||||||
|
}
|
||||||
|
|
||||||
|
if (tdi)
|
||||||
|
{
|
||||||
|
tdi_buffer[index] |= bit;
|
||||||
|
}
|
||||||
|
else
|
||||||
|
{
|
||||||
|
tdi_buffer[index] &= ~bit;
|
||||||
|
}
|
||||||
|
|
||||||
|
tap_length++;
|
||||||
|
}
|
||||||
|
else
|
||||||
|
{
|
||||||
|
LOG_ERROR("armjtagew_tap_append_step, overflow");
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
void armjtagew_tap_append_scan(int length, u8 *buffer, scan_command_t *command)
|
||||||
|
{
|
||||||
|
pending_scan_result_t *pending_scan_result = &pending_scan_results_buffer[pending_scan_results_length];
|
||||||
|
int i;
|
||||||
|
|
||||||
|
pending_scan_result->first = tap_length;
|
||||||
|
pending_scan_result->length = length;
|
||||||
|
pending_scan_result->command = command;
|
||||||
|
pending_scan_result->buffer = buffer;
|
||||||
|
|
||||||
|
for (i = 0; i < length; i++)
|
||||||
|
{
|
||||||
|
armjtagew_tap_append_step((i < length-1 ? 0 : 1), (buffer[i/8] >> (i%8)) & 1);
|
||||||
|
}
|
||||||
|
pending_scan_results_length++;
|
||||||
|
}
|
||||||
|
|
||||||
|
/* Pad and send a tap sequence to the device, and receive the answer.
|
||||||
|
* For the purpose of padding we assume that we are in idle or pause state. */
|
||||||
|
int armjtagew_tap_execute(void)
|
||||||
|
{
|
||||||
|
int byte_length;
|
||||||
|
int tms_offset;
|
||||||
|
int tdi_offset;
|
||||||
|
int i;
|
||||||
|
int result;
|
||||||
|
|
||||||
|
if (tap_length > 0)
|
||||||
|
{
|
||||||
|
/* Pad last byte so that tap_length is divisible by 8 */
|
||||||
|
while (tap_length % 8 != 0)
|
||||||
|
{
|
||||||
|
/* More of the last TMS value keeps us in the same state,
|
||||||
|
* analogous to free-running JTAG interfaces. */
|
||||||
|
armjtagew_tap_append_step(last_tms, 0);
|
||||||
|
}
|
||||||
|
|
||||||
|
byte_length = tap_length / 8;
|
||||||
|
|
||||||
|
usb_out_buffer[0] = CMD_TAP_SHIFT;
|
||||||
|
buf_set_u32(usb_out_buffer+1, 0, 16, byte_length);
|
||||||
|
|
||||||
|
tms_offset = 3;
|
||||||
|
for (i = 0; i < byte_length; i++)
|
||||||
|
{
|
||||||
|
usb_out_buffer[tms_offset + i] = flip_u32(tms_buffer[i],8);
|
||||||
|
}
|
||||||
|
|
||||||
|
tdi_offset = tms_offset + byte_length;
|
||||||
|
for (i = 0; i < byte_length; i++)
|
||||||
|
{
|
||||||
|
usb_out_buffer[tdi_offset + i] = flip_u32(tdi_buffer[i],8);
|
||||||
|
}
|
||||||
|
|
||||||
|
result = armjtagew_usb_message(armjtagew_jtag_handle, 3 + 2 * byte_length, byte_length + 4);
|
||||||
|
|
||||||
|
if (result == 0)
|
||||||
|
{
|
||||||
|
int stat;
|
||||||
|
|
||||||
|
stat = (int)buf_get_u32(usb_in_buffer + byte_length, 0, 32);
|
||||||
|
if(stat) {
|
||||||
|
LOG_ERROR("armjtagew_tap_execute, emulator returned error code %d for a CMD_TAP_SHIFT command", stat);
|
||||||
|
return ERROR_JTAG_QUEUE_FAILED;
|
||||||
|
}
|
||||||
|
|
||||||
|
for (i = 0; i < byte_length; i++)
|
||||||
|
{
|
||||||
|
tdo_buffer[i] = flip_u32(usb_in_buffer[i],8);
|
||||||
|
}
|
||||||
|
|
||||||
|
for (i = 0; i < pending_scan_results_length; i++)
|
||||||
|
{
|
||||||
|
pending_scan_result_t *pending_scan_result = &pending_scan_results_buffer[i];
|
||||||
|
u8 *buffer = pending_scan_result->buffer;
|
||||||
|
int length = pending_scan_result->length;
|
||||||
|
int first = pending_scan_result->first;
|
||||||
|
scan_command_t *command = pending_scan_result->command;
|
||||||
|
|
||||||
|
/* Copy to buffer */
|
||||||
|
buf_set_buf(tdo_buffer, first, buffer, 0, length);
|
||||||
|
|
||||||
|
DEBUG_JTAG_IO("pending scan result, length = %d", length);
|
||||||
|
|
||||||
|
#ifdef _DEBUG_USB_COMMS_
|
||||||
|
armjtagew_debug_buffer(buffer, byte_length);
|
||||||
|
#endif
|
||||||
|
|
||||||
|
if (jtag_read_buffer(buffer, command) != ERROR_OK)
|
||||||
|
{
|
||||||
|
armjtagew_tap_init();
|
||||||
|
return ERROR_JTAG_QUEUE_FAILED;
|
||||||
|
}
|
||||||
|
|
||||||
|
if (pending_scan_result->buffer != NULL)
|
||||||
|
{
|
||||||
|
free(pending_scan_result->buffer);
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
else
|
||||||
|
{
|
||||||
|
LOG_ERROR("armjtagew_tap_execute, wrong result %d, expected %d", result, byte_length);
|
||||||
|
return ERROR_JTAG_QUEUE_FAILED;
|
||||||
|
}
|
||||||
|
|
||||||
|
armjtagew_tap_init();
|
||||||
|
}
|
||||||
|
|
||||||
|
return ERROR_OK;
|
||||||
|
}
|
||||||
|
|
||||||
|
/*****************************************************************************/
|
||||||
|
/* JLink USB low-level functions */
|
||||||
|
|
||||||
|
armjtagew_jtag_t* armjtagew_usb_open()
|
||||||
|
{
|
||||||
|
struct usb_bus *busses;
|
||||||
|
struct usb_bus *bus;
|
||||||
|
struct usb_device *dev;
|
||||||
|
|
||||||
|
armjtagew_jtag_t *result;
|
||||||
|
|
||||||
|
result = (armjtagew_jtag_t*) malloc(sizeof(armjtagew_jtag_t));
|
||||||
|
|
||||||
|
usb_init();
|
||||||
|
usb_find_busses();
|
||||||
|
usb_find_devices();
|
||||||
|
|
||||||
|
busses = usb_get_busses();
|
||||||
|
|
||||||
|
/* find armjtagew_jtag device in usb bus */
|
||||||
|
|
||||||
|
for (bus = busses; bus; bus = bus->next)
|
||||||
|
{
|
||||||
|
for (dev = bus->devices; dev; dev = dev->next)
|
||||||
|
{
|
||||||
|
if ((dev->descriptor.idVendor == USB_VID) && (dev->descriptor.idProduct == USB_PID))
|
||||||
|
{
|
||||||
|
result->usb_handle = usb_open(dev);
|
||||||
|
|
||||||
|
#if 0
|
||||||
|
/* usb_set_configuration required under win32 */
|
||||||
|
usb_set_configuration(result->usb_handle, dev->config[0].bConfigurationValue);
|
||||||
|
#endif
|
||||||
|
usb_claim_interface(result->usb_handle, 0);
|
||||||
|
|
||||||
|
#if 0
|
||||||
|
/*
|
||||||
|
* This makes problems under Mac OS X. And is not needed
|
||||||
|
* under Windows. Hopefully this will not break a linux build
|
||||||
|
*/
|
||||||
|
usb_set_altinterface(result->usb_handle, 0);
|
||||||
|
#endif
|
||||||
|
return result;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
free(result);
|
||||||
|
return NULL;
|
||||||
|
}
|
||||||
|
|
||||||
|
void armjtagew_usb_close(armjtagew_jtag_t *armjtagew_jtag)
|
||||||
|
{
|
||||||
|
usb_close(armjtagew_jtag->usb_handle);
|
||||||
|
free(armjtagew_jtag);
|
||||||
|
}
|
||||||
|
|
||||||
|
/* Send a message and receive the reply. */
|
||||||
|
int armjtagew_usb_message(armjtagew_jtag_t *armjtagew_jtag, int out_length, int in_length)
|
||||||
|
{
|
||||||
|
int result;
|
||||||
|
|
||||||
|
result = armjtagew_usb_write(armjtagew_jtag, out_length);
|
||||||
|
if (result == out_length)
|
||||||
|
{
|
||||||
|
result = armjtagew_usb_read(armjtagew_jtag, in_length);
|
||||||
|
if (result != in_length)
|
||||||
|
{
|
||||||
|
LOG_ERROR("usb_bulk_read failed (requested=%d, result=%d)", in_length, result);
|
||||||
|
return -1;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
else
|
||||||
|
{
|
||||||
|
LOG_ERROR("usb_bulk_write failed (requested=%d, result=%d)", out_length, result);
|
||||||
|
return -1;
|
||||||
|
}
|
||||||
|
return 0;
|
||||||
|
}
|
||||||
|
|
||||||
|
/* Write data from out_buffer to USB. */
|
||||||
|
int armjtagew_usb_write(armjtagew_jtag_t *armjtagew_jtag, int out_length)
|
||||||
|
{
|
||||||
|
int result;
|
||||||
|
|
||||||
|
if (out_length > ARMJTAGEW_OUT_BUFFER_SIZE)
|
||||||
|
{
|
||||||
|
LOG_ERROR("armjtagew_jtag_write illegal out_length=%d (max=%d)", out_length, ARMJTAGEW_OUT_BUFFER_SIZE);
|
||||||
|
return -1;
|
||||||
|
}
|
||||||
|
|
||||||
|
result = usb_bulk_write(armjtagew_jtag->usb_handle, ARMJTAGEW_EPT_BULK_OUT, \
|
||||||
|
(char*)usb_out_buffer, out_length, ARMJTAGEW_USB_TIMEOUT);
|
||||||
|
|
||||||
|
DEBUG_JTAG_IO("armjtagew_usb_write, out_length = %d, result = %d", out_length, result);
|
||||||
|
|
||||||
|
#ifdef _DEBUG_USB_COMMS_
|
||||||
|
armjtagew_debug_buffer(usb_out_buffer, out_length);
|
||||||
|
#endif
|
||||||
|
return result;
|
||||||
|
}
|
||||||
|
|
||||||
|
/* Read data from USB into in_buffer. */
|
||||||
|
int armjtagew_usb_read(armjtagew_jtag_t *armjtagew_jtag, int exp_in_length)
|
||||||
|
{
|
||||||
|
int result = usb_bulk_read(armjtagew_jtag->usb_handle, ARMJTAGEW_EPT_BULK_IN, \
|
||||||
|
(char*)usb_in_buffer, exp_in_length, ARMJTAGEW_USB_TIMEOUT);
|
||||||
|
|
||||||
|
DEBUG_JTAG_IO("armjtagew_usb_read, result = %d", result);
|
||||||
|
|
||||||
|
#ifdef _DEBUG_USB_COMMS_
|
||||||
|
armjtagew_debug_buffer(usb_in_buffer, result);
|
||||||
|
#endif
|
||||||
|
return result;
|
||||||
|
}
|
||||||
|
|
||||||
|
|
||||||
|
#ifdef _DEBUG_USB_COMMS_
|
||||||
|
#define BYTES_PER_LINE 16
|
||||||
|
|
||||||
|
void armjtagew_debug_buffer(u8 *buffer, int length)
|
||||||
|
{
|
||||||
|
char line[81];
|
||||||
|
char s[4];
|
||||||
|
int i;
|
||||||
|
int j;
|
||||||
|
|
||||||
|
for (i = 0; i < length; i += BYTES_PER_LINE)
|
||||||
|
{
|
||||||
|
snprintf(line, 5, "%04x", i);
|
||||||
|
for (j = i; j < i + BYTES_PER_LINE && j < length; j++)
|
||||||
|
{
|
||||||
|
snprintf(s, 4, " %02x", buffer[j]);
|
||||||
|
strcat(line, s);
|
||||||
|
}
|
||||||
|
LOG_DEBUG(line);
|
||||||
|
}
|
||||||
|
}
|
||||||
|
#endif
|
||||||
|
|
||||||
|
|
@ -155,6 +155,10 @@ static int hasKHz = 0;
|
||||||
extern jtag_interface_t rlink_interface;
|
extern jtag_interface_t rlink_interface;
|
||||||
#endif
|
#endif
|
||||||
|
|
||||||
|
#if BUILD_ARMJTAGEW == 1
|
||||||
|
extern jtag_interface_t armjtagew_interface;
|
||||||
|
#endif
|
||||||
|
|
||||||
jtag_interface_t *jtag_interfaces[] = {
|
jtag_interface_t *jtag_interfaces[] = {
|
||||||
#if BUILD_ECOSBOARD == 1
|
#if BUILD_ECOSBOARD == 1
|
||||||
&zy1000_interface,
|
&zy1000_interface,
|
||||||
|
|
@ -197,6 +201,9 @@ jtag_interface_t *jtag_interfaces[] = {
|
||||||
#endif
|
#endif
|
||||||
#if BUILD_RLINK == 1
|
#if BUILD_RLINK == 1
|
||||||
&rlink_interface,
|
&rlink_interface,
|
||||||
|
#endif
|
||||||
|
#if BUILD_ARMJTAGEW == 1
|
||||||
|
&armjtagew_interface,
|
||||||
#endif
|
#endif
|
||||||
NULL,
|
NULL,
|
||||||
};
|
};
|
||||||
|
|
|
||||||
|
|
@ -0,0 +1,2 @@
|
||||||
|
# Interface ARM-JTAG-EW
|
||||||
|
interface arm-jtag-ew
|
||||||
Loading…
Reference in New Issue