jtag/tcl.c cleanup -- split out "adapter.c"
Clean up the jtag/tcl.c file, which was one of the biggest and messiest ones in that directory. Do it by splitting out all the generic adapter commands to a separate "adapter.c" file (leaving the "tcl.c" file holding only JTAG utilities). Also rename the little-used "jtag interface" to "adapter_name", which should have been at least re-categorized earlier (it's not jtag-only). Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>__archive__
David Brownell
parent
a092e8d237
commit
d60ebc0ab5
3
NEWS
3
NEWS
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@ -6,9 +6,10 @@ and other issues not mentioned here.
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JTAG Layer:
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JTAG Layer:
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New driver for "Bus Pirate"
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New driver for "Bus Pirate"
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Rename various commands so they're not JTAG-specific
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Rename various commands so they're not JTAG-specific
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There are migration procedures for these, but you should
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There are migration procedures for most of these, but you should
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convert your scripts to the new names, since those procedures
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convert your scripts to the new names, since those procedures
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will not be around forever.
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will not be around forever.
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jtag jinterface ... is now adapter_name
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jtag_khz ... is now adapter_khz
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jtag_khz ... is now adapter_khz
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jtag_nsrst_delay ... is now adapter_nsrst_delay
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jtag_nsrst_delay ... is now adapter_nsrst_delay
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jtag_nsrst_assert_width ... is now adapter_nsrst_assert_width
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jtag_nsrst_assert_width ... is now adapter_nsrst_assert_width
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@ -2093,12 +2093,12 @@ target.
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@end deffn
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@end deffn
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@deffn Command {interface_list}
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@deffn Command {interface_list}
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List the interface drivers that have been built into
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List the debug adapter drivers that have been built into
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the running copy of OpenOCD.
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the running copy of OpenOCD.
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@end deffn
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@end deffn
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@deffn Command {jtag interface}
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@deffn Command {adapter_name}
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Returns the name of the interface driver being used.
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Returns the name of the debug adapter driver being used.
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@end deffn
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@end deffn
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@section Interface Drivers
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@section Interface Drivers
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@ -53,6 +53,7 @@ minidriver_imp.h: $(MINIDRIVER_IMP_DIR)/minidriver_imp.h
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libjtag_la_SOURCES = \
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libjtag_la_SOURCES = \
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adapter.c \
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core.c \
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core.c \
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interface.c \
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interface.c \
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interfaces.c \
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interfaces.c \
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@ -0,0 +1,459 @@
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/***************************************************************************
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* Copyright (C) 2005 by Dominic Rath *
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* Dominic.Rath@gmx.de *
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* *
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* Copyright (C) 2007-2010 Øyvind Harboe *
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* oyvind.harboe@zylin.com *
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* *
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* Copyright (C) 2009 SoftPLC Corporation *
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* http://softplc.com *
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* dick@softplc.com *
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* *
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* Copyright (C) 2009 Zachary T Welch *
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* zw@superlucidity.net *
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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 "jtag.h"
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#include "minidriver.h"
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#include "interface.h"
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#include "interfaces.h"
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#ifdef HAVE_STRINGS_H
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#include <strings.h>
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#endif
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/**
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* @file
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* Holds support for configuring debug adapters from TCl scripts.
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*/
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extern struct jtag_interface *jtag_interface;
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static int
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jim_adapter_name(Jim_Interp *interp, int argc, Jim_Obj *const *argv)
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{
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Jim_GetOptInfo goi;
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Jim_GetOpt_Setup(&goi, interp, argc-1, argv + 1);
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/* return the name of the interface */
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/* TCL code might need to know the exact type... */
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/* FUTURE: we allow this as a means to "set" the interface. */
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if (goi.argc != 0) {
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Jim_WrongNumArgs(goi.interp, 1, goi.argv-1, "(no params)");
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return JIM_ERR;
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}
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const char *name = jtag_interface ? jtag_interface->name : NULL;
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Jim_SetResultString(goi.interp, name ? : "undefined", -1);
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return JIM_OK;
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}
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static int default_khz(int khz, int *jtag_speed)
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{
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LOG_ERROR("Translation from khz to jtag_speed not implemented");
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return ERROR_FAIL;
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}
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static int default_speed_div(int speed, int *khz)
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{
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LOG_ERROR("Translation from jtag_speed to khz not implemented");
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return ERROR_FAIL;
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}
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static int default_power_dropout(int *dropout)
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{
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*dropout = 0; /* by default we can't detect power dropout */
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return ERROR_OK;
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}
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static int default_srst_asserted(int *srst_asserted)
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{
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*srst_asserted = 0; /* by default we can't detect srst asserted */
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return ERROR_OK;
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}
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COMMAND_HANDLER(handle_interface_list_command)
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{
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if (strcmp(CMD_NAME, "interface_list") == 0 && CMD_ARGC > 0)
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return ERROR_COMMAND_SYNTAX_ERROR;
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command_print(CMD_CTX, "The following debug interfaces are available:");
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for (unsigned i = 0; NULL != jtag_interfaces[i]; i++)
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{
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const char *name = jtag_interfaces[i]->name;
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command_print(CMD_CTX, "%u: %s", i + 1, name);
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}
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return ERROR_OK;
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}
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COMMAND_HANDLER(handle_interface_command)
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{
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/* check whether the interface is already configured */
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if (jtag_interface)
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{
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LOG_WARNING("Interface already configured, ignoring");
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return ERROR_OK;
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}
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/* interface name is a mandatory argument */
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if (CMD_ARGC != 1 || CMD_ARGV[0][0] == '\0')
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return ERROR_COMMAND_SYNTAX_ERROR;
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for (unsigned i = 0; NULL != jtag_interfaces[i]; i++)
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{
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if (strcmp(CMD_ARGV[0], jtag_interfaces[i]->name) != 0)
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continue;
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if (NULL != jtag_interfaces[i]->commands)
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{
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int retval = register_commands(CMD_CTX, NULL,
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jtag_interfaces[i]->commands);
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if (ERROR_OK != retval)
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return retval;
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}
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jtag_interface = jtag_interfaces[i];
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if (jtag_interface->khz == NULL)
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jtag_interface->khz = default_khz;
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if (jtag_interface->speed_div == NULL)
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jtag_interface->speed_div = default_speed_div;
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if (jtag_interface->power_dropout == NULL)
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jtag_interface->power_dropout = default_power_dropout;
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if (jtag_interface->srst_asserted == NULL)
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jtag_interface->srst_asserted = default_srst_asserted;
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return ERROR_OK;
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}
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/* no valid interface was found (i.e. the configuration option,
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* didn't match one of the compiled-in interfaces
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*/
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LOG_ERROR("The specified debug interface was not found (%s)", CMD_ARGV[0]);
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CALL_COMMAND_HANDLER(handle_interface_list_command);
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return ERROR_JTAG_INVALID_INTERFACE;
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}
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COMMAND_HANDLER(handle_reset_config_command)
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{
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int new_cfg = 0;
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int mask = 0;
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/* Original versions cared about the order of these tokens:
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* reset_config signals [combination [trst_type [srst_type]]]
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* They also clobbered the previous configuration even on error.
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*
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* Here we don't care about the order, and only change values
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* which have been explicitly specified.
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*/
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for (; CMD_ARGC; CMD_ARGC--, CMD_ARGV++) {
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int tmp = 0;
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int m;
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/* gating */
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m = RESET_SRST_NO_GATING;
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if (strcmp(*CMD_ARGV, "srst_gates_jtag") == 0)
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/* default: don't use JTAG while SRST asserted */;
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else if (strcmp(*CMD_ARGV, "srst_nogate") == 0)
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tmp = RESET_SRST_NO_GATING;
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else
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m = 0;
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if (mask & m) {
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LOG_ERROR("extra reset_config %s spec (%s)",
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"gating", *CMD_ARGV);
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return ERROR_INVALID_ARGUMENTS;
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}
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if (m)
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goto next;
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/* signals */
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m = RESET_HAS_TRST | RESET_HAS_SRST;
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if (strcmp(*CMD_ARGV, "none") == 0)
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tmp = RESET_NONE;
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else if (strcmp(*CMD_ARGV, "trst_only") == 0)
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tmp = RESET_HAS_TRST;
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else if (strcmp(*CMD_ARGV, "srst_only") == 0)
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tmp = RESET_HAS_SRST;
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else if (strcmp(*CMD_ARGV, "trst_and_srst") == 0)
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tmp = RESET_HAS_TRST | RESET_HAS_SRST;
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else
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m = 0;
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if (mask & m) {
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LOG_ERROR("extra reset_config %s spec (%s)",
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"signal", *CMD_ARGV);
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return ERROR_INVALID_ARGUMENTS;
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}
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if (m)
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goto next;
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/* combination (options for broken wiring) */
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m = RESET_SRST_PULLS_TRST | RESET_TRST_PULLS_SRST;
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if (strcmp(*CMD_ARGV, "separate") == 0)
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/* separate reset lines - default */;
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else if (strcmp(*CMD_ARGV, "srst_pulls_trst") == 0)
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tmp |= RESET_SRST_PULLS_TRST;
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else if (strcmp(*CMD_ARGV, "trst_pulls_srst") == 0)
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tmp |= RESET_TRST_PULLS_SRST;
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else if (strcmp(*CMD_ARGV, "combined") == 0)
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tmp |= RESET_SRST_PULLS_TRST | RESET_TRST_PULLS_SRST;
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else
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m = 0;
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if (mask & m) {
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LOG_ERROR("extra reset_config %s spec (%s)",
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"combination", *CMD_ARGV);
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return ERROR_INVALID_ARGUMENTS;
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}
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if (m)
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goto next;
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/* trst_type (NOP without HAS_TRST) */
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m = RESET_TRST_OPEN_DRAIN;
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if (strcmp(*CMD_ARGV, "trst_open_drain") == 0)
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tmp |= RESET_TRST_OPEN_DRAIN;
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else if (strcmp(*CMD_ARGV, "trst_push_pull") == 0)
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/* push/pull from adapter - default */;
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else
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m = 0;
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if (mask & m) {
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LOG_ERROR("extra reset_config %s spec (%s)",
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"trst_type", *CMD_ARGV);
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return ERROR_INVALID_ARGUMENTS;
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}
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if (m)
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goto next;
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/* srst_type (NOP without HAS_SRST) */
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m |= RESET_SRST_PUSH_PULL;
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if (strcmp(*CMD_ARGV, "srst_push_pull") == 0)
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tmp |= RESET_SRST_PUSH_PULL;
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else if (strcmp(*CMD_ARGV, "srst_open_drain") == 0)
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/* open drain from adapter - default */;
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else
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m = 0;
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if (mask & m) {
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LOG_ERROR("extra reset_config %s spec (%s)",
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"srst_type", *CMD_ARGV);
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return ERROR_INVALID_ARGUMENTS;
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}
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if (m)
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goto next;
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|
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/* caller provided nonsense; fail */
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||||||
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LOG_ERROR("unknown reset_config flag (%s)", *CMD_ARGV);
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return ERROR_INVALID_ARGUMENTS;
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||||||
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next:
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/* Remember the bits which were specified (mask)
|
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* and their new values (new_cfg).
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|
*/
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mask |= m;
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new_cfg |= tmp;
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}
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/* clear previous values of those bits, save new values */
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if (mask) {
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int old_cfg = jtag_get_reset_config();
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||||||
|
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||||||
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old_cfg &= ~mask;
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new_cfg |= old_cfg;
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jtag_set_reset_config(new_cfg);
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} else
|
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new_cfg = jtag_get_reset_config();
|
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|
||||||
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|
||||||
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/*
|
||||||
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* Display the (now-)current reset mode
|
||||||
|
*/
|
||||||
|
char *modes[5];
|
||||||
|
|
||||||
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/* minimal JTAG has neither SRST nor TRST (so that's the default) */
|
||||||
|
switch (new_cfg & (RESET_HAS_TRST | RESET_HAS_SRST)) {
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|
case RESET_HAS_SRST:
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|
modes[0] = "srst_only";
|
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|
break;
|
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|
case RESET_HAS_TRST:
|
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|
modes[0] = "trst_only";
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|
break;
|
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|
case RESET_TRST_AND_SRST:
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|
modes[0] = "trst_and_srst";
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|
break;
|
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|
default:
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|
modes[0] = "none";
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||||||
|
break;
|
||||||
|
}
|
||||||
|
|
||||||
|
/* normally SRST and TRST are decoupled; but bugs happen ... */
|
||||||
|
switch (new_cfg & (RESET_SRST_PULLS_TRST | RESET_TRST_PULLS_SRST)) {
|
||||||
|
case RESET_SRST_PULLS_TRST:
|
||||||
|
modes[1] = "srst_pulls_trst";
|
||||||
|
break;
|
||||||
|
case RESET_TRST_PULLS_SRST:
|
||||||
|
modes[1] = "trst_pulls_srst";
|
||||||
|
break;
|
||||||
|
case RESET_SRST_PULLS_TRST | RESET_TRST_PULLS_SRST:
|
||||||
|
modes[1] = "combined";
|
||||||
|
break;
|
||||||
|
default:
|
||||||
|
modes[1] = "separate";
|
||||||
|
break;
|
||||||
|
}
|
||||||
|
|
||||||
|
/* TRST-less connectors include Altera, Xilinx, and minimal JTAG */
|
||||||
|
if (new_cfg & RESET_HAS_TRST) {
|
||||||
|
if (new_cfg & RESET_TRST_OPEN_DRAIN)
|
||||||
|
modes[3] = " trst_open_drain";
|
||||||
|
else
|
||||||
|
modes[3] = " trst_push_pull";
|
||||||
|
} else
|
||||||
|
modes[3] = "";
|
||||||
|
|
||||||
|
/* SRST-less connectors include TI-14, Xilinx, and minimal JTAG */
|
||||||
|
if (new_cfg & RESET_HAS_SRST) {
|
||||||
|
if (new_cfg & RESET_SRST_NO_GATING)
|
||||||
|
modes[2] = " srst_nogate";
|
||||||
|
else
|
||||||
|
modes[2] = " srst_gates_jtag";
|
||||||
|
|
||||||
|
if (new_cfg & RESET_SRST_PUSH_PULL)
|
||||||
|
modes[4] = " srst_push_pull";
|
||||||
|
else
|
||||||
|
modes[4] = " srst_open_drain";
|
||||||
|
} else {
|
||||||
|
modes[2] = "";
|
||||||
|
modes[4] = "";
|
||||||
|
}
|
||||||
|
|
||||||
|
command_print(CMD_CTX, "%s %s%s%s%s",
|
||||||
|
modes[0], modes[1],
|
||||||
|
modes[2], modes[3], modes[4]);
|
||||||
|
|
||||||
|
return ERROR_OK;
|
||||||
|
}
|
||||||
|
|
||||||
|
COMMAND_HANDLER(handle_adapter_nsrst_delay_command)
|
||||||
|
{
|
||||||
|
if (CMD_ARGC > 1)
|
||||||
|
return ERROR_COMMAND_SYNTAX_ERROR;
|
||||||
|
if (CMD_ARGC == 1)
|
||||||
|
{
|
||||||
|
unsigned delay;
|
||||||
|
COMMAND_PARSE_NUMBER(uint, CMD_ARGV[0], delay);
|
||||||
|
|
||||||
|
jtag_set_nsrst_delay(delay);
|
||||||
|
}
|
||||||
|
command_print(CMD_CTX, "adapter_nsrst_delay: %u", jtag_get_nsrst_delay());
|
||||||
|
return ERROR_OK;
|
||||||
|
}
|
||||||
|
|
||||||
|
COMMAND_HANDLER(handle_adapter_khz_command)
|
||||||
|
{
|
||||||
|
if (CMD_ARGC > 1)
|
||||||
|
return ERROR_COMMAND_SYNTAX_ERROR;
|
||||||
|
|
||||||
|
int retval = ERROR_OK;
|
||||||
|
if (CMD_ARGC == 1)
|
||||||
|
{
|
||||||
|
unsigned khz = 0;
|
||||||
|
COMMAND_PARSE_NUMBER(uint, CMD_ARGV[0], khz);
|
||||||
|
|
||||||
|
retval = jtag_config_khz(khz);
|
||||||
|
if (ERROR_OK != retval)
|
||||||
|
return retval;
|
||||||
|
}
|
||||||
|
|
||||||
|
int cur_speed = jtag_get_speed_khz();
|
||||||
|
retval = jtag_get_speed_readable(&cur_speed);
|
||||||
|
if (ERROR_OK != retval)
|
||||||
|
return retval;
|
||||||
|
|
||||||
|
if (cur_speed)
|
||||||
|
command_print(CMD_CTX, "%d kHz", cur_speed);
|
||||||
|
else
|
||||||
|
command_print(CMD_CTX, "RCLK - adaptive");
|
||||||
|
|
||||||
|
return retval;
|
||||||
|
}
|
||||||
|
|
||||||
|
static const struct command_registration interface_command_handlers[] = {
|
||||||
|
{
|
||||||
|
.name = "adapter_khz",
|
||||||
|
.handler = handle_adapter_khz_command,
|
||||||
|
.mode = COMMAND_ANY,
|
||||||
|
.help = "With an argument, change to the specified maximum "
|
||||||
|
"jtag speed. For JTAG, 0 KHz signifies adaptive "
|
||||||
|
" clocking. "
|
||||||
|
"With or without argument, display current setting.",
|
||||||
|
.usage = "[khz]",
|
||||||
|
},
|
||||||
|
{
|
||||||
|
.name = "adapter_name",
|
||||||
|
.mode = COMMAND_ANY,
|
||||||
|
.jim_handler = jim_adapter_name,
|
||||||
|
.help = "Returns the name of the currently "
|
||||||
|
"selected adapter (driver)",
|
||||||
|
},
|
||||||
|
{
|
||||||
|
.name = "adapter_nsrst_delay",
|
||||||
|
.handler = handle_adapter_nsrst_delay_command,
|
||||||
|
.mode = COMMAND_ANY,
|
||||||
|
.help = "delay after deasserting SRST in ms",
|
||||||
|
.usage = "[milliseconds]",
|
||||||
|
},
|
||||||
|
{
|
||||||
|
.name = "interface",
|
||||||
|
.handler = handle_interface_command,
|
||||||
|
.mode = COMMAND_CONFIG,
|
||||||
|
.help = "Select a debug adapter interface (driver)",
|
||||||
|
.usage = "driver_name",
|
||||||
|
},
|
||||||
|
{
|
||||||
|
.name = "interface_list",
|
||||||
|
.handler = handle_interface_list_command,
|
||||||
|
.mode = COMMAND_ANY,
|
||||||
|
.help = "List all built-in debug adapter interfaces (drivers)",
|
||||||
|
},
|
||||||
|
{
|
||||||
|
.name = "reset_config",
|
||||||
|
.handler = handle_reset_config_command,
|
||||||
|
.mode = COMMAND_ANY,
|
||||||
|
.help = "configure adapter reset behavior",
|
||||||
|
.usage = "[none|trst_only|srst_only|trst_and_srst] "
|
||||||
|
"[srst_pulls_trst|trst_pulls_srst|combined|separate] "
|
||||||
|
"[srst_gates_jtag|srst_nogate] "
|
||||||
|
"[trst_push_pull|trst_open_drain] "
|
||||||
|
"[srst_push_pull|srst_open_drain]",
|
||||||
|
},
|
||||||
|
COMMAND_REGISTRATION_DONE
|
||||||
|
};
|
||||||
|
|
||||||
|
/**
|
||||||
|
* Register the commands which deal with arbitrary debug adapter drivers.
|
||||||
|
*
|
||||||
|
* @todo Remove internal assumptions that all debug adapters use JTAG for
|
||||||
|
* transport. Various types and data structures are not named generically.
|
||||||
|
*/
|
||||||
|
int interface_register_commands(struct command_context *ctx)
|
||||||
|
{
|
||||||
|
return register_commands(ctx, NULL, interface_command_handlers);
|
||||||
|
}
|
||||||
|
|
@ -78,7 +78,7 @@ proc srst_asserted {} {
|
||||||
|
|
||||||
# BEGIN MIGRATION AIDS ... these adapter operations originally had
|
# BEGIN MIGRATION AIDS ... these adapter operations originally had
|
||||||
# JTAG-specific names despite the fact that the operations were not
|
# JTAG-specific names despite the fact that the operations were not
|
||||||
# specific to JTAG.
|
# specific to JTAG, or otherewise had troublesome/misleading names.
|
||||||
#
|
#
|
||||||
# FIXME phase these aids out after about April 2011
|
# FIXME phase these aids out after about April 2011
|
||||||
#
|
#
|
||||||
|
|
|
||||||
434
src/jtag/tcl.c
434
src/jtag/tcl.c
|
|
@ -40,6 +40,11 @@
|
||||||
#include <strings.h>
|
#include <strings.h>
|
||||||
#endif
|
#endif
|
||||||
|
|
||||||
|
/**
|
||||||
|
* @file
|
||||||
|
* Holds support for accessing JTAG-specific mechanisms from TCl scripts.
|
||||||
|
*/
|
||||||
|
|
||||||
static const Jim_Nvp nvp_jtag_tap_event[] = {
|
static const Jim_Nvp nvp_jtag_tap_event[] = {
|
||||||
{ .value = JTAG_TRST_ASSERTED, .name = "post-reset" },
|
{ .value = JTAG_TRST_ASSERTED, .name = "post-reset" },
|
||||||
{ .value = JTAG_TAP_EVENT_SETUP, .name = "setup" },
|
{ .value = JTAG_TAP_EVENT_SETUP, .name = "setup" },
|
||||||
|
|
@ -671,24 +676,6 @@ static void jtag_tap_handle_event(struct jtag_tap *tap, enum jtag_event e)
|
||||||
}
|
}
|
||||||
}
|
}
|
||||||
|
|
||||||
static int
|
|
||||||
jim_jtag_interface(Jim_Interp *interp, int argc, Jim_Obj *const *argv)
|
|
||||||
{
|
|
||||||
Jim_GetOptInfo goi;
|
|
||||||
Jim_GetOpt_Setup(&goi, interp, argc-1, argv + 1);
|
|
||||||
|
|
||||||
/* return the name of the interface */
|
|
||||||
/* TCL code might need to know the exact type... */
|
|
||||||
/* FUTURE: we allow this as a means to "set" the interface. */
|
|
||||||
if (goi.argc != 0) {
|
|
||||||
Jim_WrongNumArgs(goi.interp, 1, goi.argv-1, "(no params)");
|
|
||||||
return JIM_ERR;
|
|
||||||
}
|
|
||||||
const char *name = jtag_interface ? jtag_interface->name : NULL;
|
|
||||||
Jim_SetResultString(goi.interp, name ? : "undefined", -1);
|
|
||||||
return JIM_OK;
|
|
||||||
}
|
|
||||||
|
|
||||||
static int jim_jtag_arp_init(Jim_Interp *interp, int argc, Jim_Obj *const *argv)
|
static int jim_jtag_arp_init(Jim_Interp *interp, int argc, Jim_Obj *const *argv)
|
||||||
{
|
{
|
||||||
Jim_GetOptInfo goi;
|
Jim_GetOptInfo goi;
|
||||||
|
|
@ -862,12 +849,6 @@ static const struct command_registration jtag_subcommand_handlers[] = {
|
||||||
.handler = handle_jtag_init_command,
|
.handler = handle_jtag_init_command,
|
||||||
.help = "initialize jtag scan chain",
|
.help = "initialize jtag scan chain",
|
||||||
},
|
},
|
||||||
{
|
|
||||||
.name = "interface",
|
|
||||||
.mode = COMMAND_ANY,
|
|
||||||
.jim_handler = jim_jtag_interface,
|
|
||||||
.help = "Returns the name of the currently selected interface.",
|
|
||||||
},
|
|
||||||
{
|
{
|
||||||
.name = "arp_init",
|
.name = "arp_init",
|
||||||
.mode = COMMAND_ANY,
|
.mode = COMMAND_ANY,
|
||||||
|
|
@ -957,93 +938,6 @@ void jtag_notify_event(enum jtag_event event)
|
||||||
}
|
}
|
||||||
|
|
||||||
|
|
||||||
static int default_khz(int khz, int *jtag_speed)
|
|
||||||
{
|
|
||||||
LOG_ERROR("Translation from khz to jtag_speed not implemented");
|
|
||||||
return ERROR_FAIL;
|
|
||||||
}
|
|
||||||
|
|
||||||
static int default_speed_div(int speed, int *khz)
|
|
||||||
{
|
|
||||||
LOG_ERROR("Translation from jtag_speed to khz not implemented");
|
|
||||||
return ERROR_FAIL;
|
|
||||||
}
|
|
||||||
|
|
||||||
static int default_power_dropout(int *dropout)
|
|
||||||
{
|
|
||||||
*dropout = 0; /* by default we can't detect power dropout */
|
|
||||||
return ERROR_OK;
|
|
||||||
}
|
|
||||||
|
|
||||||
static int default_srst_asserted(int *srst_asserted)
|
|
||||||
{
|
|
||||||
*srst_asserted = 0; /* by default we can't detect srst asserted */
|
|
||||||
return ERROR_OK;
|
|
||||||
}
|
|
||||||
|
|
||||||
COMMAND_HANDLER(handle_interface_list_command)
|
|
||||||
{
|
|
||||||
if (strcmp(CMD_NAME, "interface_list") == 0 && CMD_ARGC > 0)
|
|
||||||
return ERROR_COMMAND_SYNTAX_ERROR;
|
|
||||||
|
|
||||||
command_print(CMD_CTX, "The following debug interfaces are available:");
|
|
||||||
for (unsigned i = 0; NULL != jtag_interfaces[i]; i++)
|
|
||||||
{
|
|
||||||
const char *name = jtag_interfaces[i]->name;
|
|
||||||
command_print(CMD_CTX, "%u: %s", i + 1, name);
|
|
||||||
}
|
|
||||||
|
|
||||||
return ERROR_OK;
|
|
||||||
}
|
|
||||||
|
|
||||||
COMMAND_HANDLER(handle_interface_command)
|
|
||||||
{
|
|
||||||
/* check whether the interface is already configured */
|
|
||||||
if (jtag_interface)
|
|
||||||
{
|
|
||||||
LOG_WARNING("Interface already configured, ignoring");
|
|
||||||
return ERROR_OK;
|
|
||||||
}
|
|
||||||
|
|
||||||
/* interface name is a mandatory argument */
|
|
||||||
if (CMD_ARGC != 1 || CMD_ARGV[0][0] == '\0')
|
|
||||||
return ERROR_COMMAND_SYNTAX_ERROR;
|
|
||||||
|
|
||||||
for (unsigned i = 0; NULL != jtag_interfaces[i]; i++)
|
|
||||||
{
|
|
||||||
if (strcmp(CMD_ARGV[0], jtag_interfaces[i]->name) != 0)
|
|
||||||
continue;
|
|
||||||
|
|
||||||
if (NULL != jtag_interfaces[i]->commands)
|
|
||||||
{
|
|
||||||
int retval = register_commands(CMD_CTX, NULL,
|
|
||||||
jtag_interfaces[i]->commands);
|
|
||||||
if (ERROR_OK != retval)
|
|
||||||
return retval;
|
|
||||||
}
|
|
||||||
|
|
||||||
jtag_interface = jtag_interfaces[i];
|
|
||||||
|
|
||||||
if (jtag_interface->khz == NULL)
|
|
||||||
jtag_interface->khz = default_khz;
|
|
||||||
if (jtag_interface->speed_div == NULL)
|
|
||||||
jtag_interface->speed_div = default_speed_div;
|
|
||||||
if (jtag_interface->power_dropout == NULL)
|
|
||||||
jtag_interface->power_dropout = default_power_dropout;
|
|
||||||
if (jtag_interface->srst_asserted == NULL)
|
|
||||||
jtag_interface->srst_asserted = default_srst_asserted;
|
|
||||||
|
|
||||||
return ERROR_OK;
|
|
||||||
}
|
|
||||||
|
|
||||||
/* no valid interface was found (i.e. the configuration option,
|
|
||||||
* didn't match one of the compiled-in interfaces
|
|
||||||
*/
|
|
||||||
LOG_ERROR("The specified debug interface was not found (%s)", CMD_ARGV[0]);
|
|
||||||
CALL_COMMAND_HANDLER(handle_interface_list_command);
|
|
||||||
return ERROR_JTAG_INVALID_INTERFACE;
|
|
||||||
}
|
|
||||||
|
|
||||||
COMMAND_HANDLER(handle_scan_chain_command)
|
COMMAND_HANDLER(handle_scan_chain_command)
|
||||||
{
|
{
|
||||||
struct jtag_tap *tap;
|
struct jtag_tap *tap;
|
||||||
|
|
@ -1096,217 +990,6 @@ COMMAND_HANDLER(handle_scan_chain_command)
|
||||||
return ERROR_OK;
|
return ERROR_OK;
|
||||||
}
|
}
|
||||||
|
|
||||||
COMMAND_HANDLER(handle_reset_config_command)
|
|
||||||
{
|
|
||||||
int new_cfg = 0;
|
|
||||||
int mask = 0;
|
|
||||||
|
|
||||||
/* Original versions cared about the order of these tokens:
|
|
||||||
* reset_config signals [combination [trst_type [srst_type]]]
|
|
||||||
* They also clobbered the previous configuration even on error.
|
|
||||||
*
|
|
||||||
* Here we don't care about the order, and only change values
|
|
||||||
* which have been explicitly specified.
|
|
||||||
*/
|
|
||||||
for (; CMD_ARGC; CMD_ARGC--, CMD_ARGV++) {
|
|
||||||
int tmp = 0;
|
|
||||||
int m;
|
|
||||||
|
|
||||||
/* gating */
|
|
||||||
m = RESET_SRST_NO_GATING;
|
|
||||||
if (strcmp(*CMD_ARGV, "srst_gates_jtag") == 0)
|
|
||||||
/* default: don't use JTAG while SRST asserted */;
|
|
||||||
else if (strcmp(*CMD_ARGV, "srst_nogate") == 0)
|
|
||||||
tmp = RESET_SRST_NO_GATING;
|
|
||||||
else
|
|
||||||
m = 0;
|
|
||||||
if (mask & m) {
|
|
||||||
LOG_ERROR("extra reset_config %s spec (%s)",
|
|
||||||
"gating", *CMD_ARGV);
|
|
||||||
return ERROR_INVALID_ARGUMENTS;
|
|
||||||
}
|
|
||||||
if (m)
|
|
||||||
goto next;
|
|
||||||
|
|
||||||
/* signals */
|
|
||||||
m = RESET_HAS_TRST | RESET_HAS_SRST;
|
|
||||||
if (strcmp(*CMD_ARGV, "none") == 0)
|
|
||||||
tmp = RESET_NONE;
|
|
||||||
else if (strcmp(*CMD_ARGV, "trst_only") == 0)
|
|
||||||
tmp = RESET_HAS_TRST;
|
|
||||||
else if (strcmp(*CMD_ARGV, "srst_only") == 0)
|
|
||||||
tmp = RESET_HAS_SRST;
|
|
||||||
else if (strcmp(*CMD_ARGV, "trst_and_srst") == 0)
|
|
||||||
tmp = RESET_HAS_TRST | RESET_HAS_SRST;
|
|
||||||
else
|
|
||||||
m = 0;
|
|
||||||
if (mask & m) {
|
|
||||||
LOG_ERROR("extra reset_config %s spec (%s)",
|
|
||||||
"signal", *CMD_ARGV);
|
|
||||||
return ERROR_INVALID_ARGUMENTS;
|
|
||||||
}
|
|
||||||
if (m)
|
|
||||||
goto next;
|
|
||||||
|
|
||||||
/* combination (options for broken wiring) */
|
|
||||||
m = RESET_SRST_PULLS_TRST | RESET_TRST_PULLS_SRST;
|
|
||||||
if (strcmp(*CMD_ARGV, "separate") == 0)
|
|
||||||
/* separate reset lines - default */;
|
|
||||||
else if (strcmp(*CMD_ARGV, "srst_pulls_trst") == 0)
|
|
||||||
tmp |= RESET_SRST_PULLS_TRST;
|
|
||||||
else if (strcmp(*CMD_ARGV, "trst_pulls_srst") == 0)
|
|
||||||
tmp |= RESET_TRST_PULLS_SRST;
|
|
||||||
else if (strcmp(*CMD_ARGV, "combined") == 0)
|
|
||||||
tmp |= RESET_SRST_PULLS_TRST | RESET_TRST_PULLS_SRST;
|
|
||||||
else
|
|
||||||
m = 0;
|
|
||||||
if (mask & m) {
|
|
||||||
LOG_ERROR("extra reset_config %s spec (%s)",
|
|
||||||
"combination", *CMD_ARGV);
|
|
||||||
return ERROR_INVALID_ARGUMENTS;
|
|
||||||
}
|
|
||||||
if (m)
|
|
||||||
goto next;
|
|
||||||
|
|
||||||
/* trst_type (NOP without HAS_TRST) */
|
|
||||||
m = RESET_TRST_OPEN_DRAIN;
|
|
||||||
if (strcmp(*CMD_ARGV, "trst_open_drain") == 0)
|
|
||||||
tmp |= RESET_TRST_OPEN_DRAIN;
|
|
||||||
else if (strcmp(*CMD_ARGV, "trst_push_pull") == 0)
|
|
||||||
/* push/pull from adapter - default */;
|
|
||||||
else
|
|
||||||
m = 0;
|
|
||||||
if (mask & m) {
|
|
||||||
LOG_ERROR("extra reset_config %s spec (%s)",
|
|
||||||
"trst_type", *CMD_ARGV);
|
|
||||||
return ERROR_INVALID_ARGUMENTS;
|
|
||||||
}
|
|
||||||
if (m)
|
|
||||||
goto next;
|
|
||||||
|
|
||||||
/* srst_type (NOP without HAS_SRST) */
|
|
||||||
m |= RESET_SRST_PUSH_PULL;
|
|
||||||
if (strcmp(*CMD_ARGV, "srst_push_pull") == 0)
|
|
||||||
tmp |= RESET_SRST_PUSH_PULL;
|
|
||||||
else if (strcmp(*CMD_ARGV, "srst_open_drain") == 0)
|
|
||||||
/* open drain from adapter - default */;
|
|
||||||
else
|
|
||||||
m = 0;
|
|
||||||
if (mask & m) {
|
|
||||||
LOG_ERROR("extra reset_config %s spec (%s)",
|
|
||||||
"srst_type", *CMD_ARGV);
|
|
||||||
return ERROR_INVALID_ARGUMENTS;
|
|
||||||
}
|
|
||||||
if (m)
|
|
||||||
goto next;
|
|
||||||
|
|
||||||
/* caller provided nonsense; fail */
|
|
||||||
LOG_ERROR("unknown reset_config flag (%s)", *CMD_ARGV);
|
|
||||||
return ERROR_INVALID_ARGUMENTS;
|
|
||||||
|
|
||||||
next:
|
|
||||||
/* Remember the bits which were specified (mask)
|
|
||||||
* and their new values (new_cfg).
|
|
||||||
*/
|
|
||||||
mask |= m;
|
|
||||||
new_cfg |= tmp;
|
|
||||||
}
|
|
||||||
|
|
||||||
/* clear previous values of those bits, save new values */
|
|
||||||
if (mask) {
|
|
||||||
int old_cfg = jtag_get_reset_config();
|
|
||||||
|
|
||||||
old_cfg &= ~mask;
|
|
||||||
new_cfg |= old_cfg;
|
|
||||||
jtag_set_reset_config(new_cfg);
|
|
||||||
} else
|
|
||||||
new_cfg = jtag_get_reset_config();
|
|
||||||
|
|
||||||
|
|
||||||
/*
|
|
||||||
* Display the (now-)current reset mode
|
|
||||||
*/
|
|
||||||
char *modes[5];
|
|
||||||
|
|
||||||
/* minimal JTAG has neither SRST nor TRST (so that's the default) */
|
|
||||||
switch (new_cfg & (RESET_HAS_TRST | RESET_HAS_SRST)) {
|
|
||||||
case RESET_HAS_SRST:
|
|
||||||
modes[0] = "srst_only";
|
|
||||||
break;
|
|
||||||
case RESET_HAS_TRST:
|
|
||||||
modes[0] = "trst_only";
|
|
||||||
break;
|
|
||||||
case RESET_TRST_AND_SRST:
|
|
||||||
modes[0] = "trst_and_srst";
|
|
||||||
break;
|
|
||||||
default:
|
|
||||||
modes[0] = "none";
|
|
||||||
break;
|
|
||||||
}
|
|
||||||
|
|
||||||
/* normally SRST and TRST are decoupled; but bugs happen ... */
|
|
||||||
switch (new_cfg & (RESET_SRST_PULLS_TRST | RESET_TRST_PULLS_SRST)) {
|
|
||||||
case RESET_SRST_PULLS_TRST:
|
|
||||||
modes[1] = "srst_pulls_trst";
|
|
||||||
break;
|
|
||||||
case RESET_TRST_PULLS_SRST:
|
|
||||||
modes[1] = "trst_pulls_srst";
|
|
||||||
break;
|
|
||||||
case RESET_SRST_PULLS_TRST | RESET_TRST_PULLS_SRST:
|
|
||||||
modes[1] = "combined";
|
|
||||||
break;
|
|
||||||
default:
|
|
||||||
modes[1] = "separate";
|
|
||||||
break;
|
|
||||||
}
|
|
||||||
|
|
||||||
/* TRST-less connectors include Altera, Xilinx, and minimal JTAG */
|
|
||||||
if (new_cfg & RESET_HAS_TRST) {
|
|
||||||
if (new_cfg & RESET_TRST_OPEN_DRAIN)
|
|
||||||
modes[3] = " trst_open_drain";
|
|
||||||
else
|
|
||||||
modes[3] = " trst_push_pull";
|
|
||||||
} else
|
|
||||||
modes[3] = "";
|
|
||||||
|
|
||||||
/* SRST-less connectors include TI-14, Xilinx, and minimal JTAG */
|
|
||||||
if (new_cfg & RESET_HAS_SRST) {
|
|
||||||
if (new_cfg & RESET_SRST_NO_GATING)
|
|
||||||
modes[2] = " srst_nogate";
|
|
||||||
else
|
|
||||||
modes[2] = " srst_gates_jtag";
|
|
||||||
|
|
||||||
if (new_cfg & RESET_SRST_PUSH_PULL)
|
|
||||||
modes[4] = " srst_push_pull";
|
|
||||||
else
|
|
||||||
modes[4] = " srst_open_drain";
|
|
||||||
} else {
|
|
||||||
modes[2] = "";
|
|
||||||
modes[4] = "";
|
|
||||||
}
|
|
||||||
|
|
||||||
command_print(CMD_CTX, "%s %s%s%s%s",
|
|
||||||
modes[0], modes[1],
|
|
||||||
modes[2], modes[3], modes[4]);
|
|
||||||
|
|
||||||
return ERROR_OK;
|
|
||||||
}
|
|
||||||
|
|
||||||
COMMAND_HANDLER(handle_adapter_nsrst_delay_command)
|
|
||||||
{
|
|
||||||
if (CMD_ARGC > 1)
|
|
||||||
return ERROR_COMMAND_SYNTAX_ERROR;
|
|
||||||
if (CMD_ARGC == 1)
|
|
||||||
{
|
|
||||||
unsigned delay;
|
|
||||||
COMMAND_PARSE_NUMBER(uint, CMD_ARGV[0], delay);
|
|
||||||
|
|
||||||
jtag_set_nsrst_delay(delay);
|
|
||||||
}
|
|
||||||
command_print(CMD_CTX, "adapter_nsrst_delay: %u", jtag_get_nsrst_delay());
|
|
||||||
return ERROR_OK;
|
|
||||||
}
|
|
||||||
|
|
||||||
COMMAND_HANDLER(handle_jtag_ntrst_delay_command)
|
COMMAND_HANDLER(handle_jtag_ntrst_delay_command)
|
||||||
{
|
{
|
||||||
if (CMD_ARGC > 1)
|
if (CMD_ARGC > 1)
|
||||||
|
|
@ -1322,21 +1005,6 @@ COMMAND_HANDLER(handle_jtag_ntrst_delay_command)
|
||||||
return ERROR_OK;
|
return ERROR_OK;
|
||||||
}
|
}
|
||||||
|
|
||||||
COMMAND_HANDLER(handle_adapter_nsrst_assert_width_command)
|
|
||||||
{
|
|
||||||
if (CMD_ARGC > 1)
|
|
||||||
return ERROR_COMMAND_SYNTAX_ERROR;
|
|
||||||
if (CMD_ARGC == 1)
|
|
||||||
{
|
|
||||||
unsigned delay;
|
|
||||||
COMMAND_PARSE_NUMBER(uint, CMD_ARGV[0], delay);
|
|
||||||
|
|
||||||
jtag_set_nsrst_assert_width(delay);
|
|
||||||
}
|
|
||||||
command_print(CMD_CTX, "adapter_nsrst_assert_width: %u", jtag_get_nsrst_assert_width());
|
|
||||||
return ERROR_OK;
|
|
||||||
}
|
|
||||||
|
|
||||||
COMMAND_HANDLER(handle_jtag_ntrst_assert_width_command)
|
COMMAND_HANDLER(handle_jtag_ntrst_assert_width_command)
|
||||||
{
|
{
|
||||||
if (CMD_ARGC > 1)
|
if (CMD_ARGC > 1)
|
||||||
|
|
@ -1352,35 +1020,6 @@ COMMAND_HANDLER(handle_jtag_ntrst_assert_width_command)
|
||||||
return ERROR_OK;
|
return ERROR_OK;
|
||||||
}
|
}
|
||||||
|
|
||||||
COMMAND_HANDLER(handle_adapter_khz_command)
|
|
||||||
{
|
|
||||||
if (CMD_ARGC > 1)
|
|
||||||
return ERROR_COMMAND_SYNTAX_ERROR;
|
|
||||||
|
|
||||||
int retval = ERROR_OK;
|
|
||||||
if (CMD_ARGC == 1)
|
|
||||||
{
|
|
||||||
unsigned khz = 0;
|
|
||||||
COMMAND_PARSE_NUMBER(uint, CMD_ARGV[0], khz);
|
|
||||||
|
|
||||||
retval = jtag_config_khz(khz);
|
|
||||||
if (ERROR_OK != retval)
|
|
||||||
return retval;
|
|
||||||
}
|
|
||||||
|
|
||||||
int cur_speed = jtag_get_speed_khz();
|
|
||||||
retval = jtag_get_speed_readable(&cur_speed);
|
|
||||||
if (ERROR_OK != retval)
|
|
||||||
return retval;
|
|
||||||
|
|
||||||
if (cur_speed)
|
|
||||||
command_print(CMD_CTX, "%d kHz", cur_speed);
|
|
||||||
else
|
|
||||||
command_print(CMD_CTX, "RCLK - adaptive");
|
|
||||||
|
|
||||||
return retval;
|
|
||||||
}
|
|
||||||
|
|
||||||
COMMAND_HANDLER(handle_jtag_rclk_command)
|
COMMAND_HANDLER(handle_jtag_rclk_command)
|
||||||
{
|
{
|
||||||
if (CMD_ARGC > 1)
|
if (CMD_ARGC > 1)
|
||||||
|
|
@ -1608,69 +1247,6 @@ COMMAND_HANDLER(handle_tms_sequence_command)
|
||||||
return ERROR_OK;
|
return ERROR_OK;
|
||||||
}
|
}
|
||||||
|
|
||||||
static const struct command_registration interface_command_handlers[] = {
|
|
||||||
{
|
|
||||||
.name = "adapter_khz",
|
|
||||||
.handler = handle_adapter_khz_command,
|
|
||||||
.mode = COMMAND_ANY,
|
|
||||||
.help = "With an argument, change to the specified maximum "
|
|
||||||
"jtag speed. For JTAG, 0 KHz signifies adaptive "
|
|
||||||
" clocking. "
|
|
||||||
"With or without argument, display current setting.",
|
|
||||||
.usage = "[khz]",
|
|
||||||
},
|
|
||||||
{
|
|
||||||
.name = "adapter_nsrst_assert_width",
|
|
||||||
.handler = handle_adapter_nsrst_assert_width_command,
|
|
||||||
.mode = COMMAND_ANY,
|
|
||||||
.help = "delay after asserting SRST in ms",
|
|
||||||
.usage = "[milliseconds]",
|
|
||||||
},
|
|
||||||
{
|
|
||||||
.name = "adapter_nsrst_delay",
|
|
||||||
.handler = handle_adapter_nsrst_delay_command,
|
|
||||||
.mode = COMMAND_ANY,
|
|
||||||
.help = "delay after deasserting SRST in ms",
|
|
||||||
.usage = "[milliseconds]",
|
|
||||||
},
|
|
||||||
{
|
|
||||||
.name = "interface",
|
|
||||||
.handler = handle_interface_command,
|
|
||||||
.mode = COMMAND_CONFIG,
|
|
||||||
.help = "Select a debug adapter interface (driver)",
|
|
||||||
.usage = "driver_name",
|
|
||||||
},
|
|
||||||
{
|
|
||||||
.name = "interface_list",
|
|
||||||
.handler = handle_interface_list_command,
|
|
||||||
.mode = COMMAND_ANY,
|
|
||||||
.help = "List all built-in debug adapter interfaces (drivers)",
|
|
||||||
},
|
|
||||||
{
|
|
||||||
.name = "reset_config",
|
|
||||||
.handler = handle_reset_config_command,
|
|
||||||
.mode = COMMAND_ANY,
|
|
||||||
.help = "configure adapter reset behavior",
|
|
||||||
.usage = "[none|trst_only|srst_only|trst_and_srst] "
|
|
||||||
"[srst_pulls_trst|trst_pulls_srst|combined|separate] "
|
|
||||||
"[srst_gates_jtag|srst_nogate] "
|
|
||||||
"[trst_push_pull|trst_open_drain] "
|
|
||||||
"[srst_push_pull|srst_open_drain]",
|
|
||||||
},
|
|
||||||
COMMAND_REGISTRATION_DONE
|
|
||||||
};
|
|
||||||
|
|
||||||
/**
|
|
||||||
* Register the commands which deal with arbitrary debug adapter drivers.
|
|
||||||
*
|
|
||||||
* @todo Remove internal assumptions that all debug adapters use JTAG for
|
|
||||||
* transport. Various types and data structures are not named generically.
|
|
||||||
*/
|
|
||||||
int interface_register_commands(struct command_context *ctx)
|
|
||||||
{
|
|
||||||
return register_commands(ctx, NULL, interface_command_handlers);
|
|
||||||
}
|
|
||||||
|
|
||||||
static const struct command_registration jtag_command_handlers[] = {
|
static const struct command_registration jtag_command_handlers[] = {
|
||||||
{
|
{
|
||||||
.name = "jtag_rclk",
|
.name = "jtag_rclk",
|
||||||
|
|
|
||||||
Loading…
Reference in New Issue