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Diffstat (limited to 'src/jtag/hla/hla_transport.c')
| -rw-r--r-- | src/jtag/hla/hla_transport.c | 229 |
1 files changed, 229 insertions, 0 deletions
diff --git a/src/jtag/hla/hla_transport.c b/src/jtag/hla/hla_transport.c new file mode 100644 index 0000000..177459b --- /dev/null +++ b/src/jtag/hla/hla_transport.c @@ -0,0 +1,229 @@ +/*************************************************************************** + * Copyright (C) 2011 by Mathias Kuester * + * Mathias Kuester <kesmtp@freenet.de> * + * * + * Copyright (C) 2012 by Spencer Oliver * + * spen@spen-soft.co.uk * + * * + * This program is free software; you can redistribute it and/or modify * + * it under the terms of the GNU General Public License as published by * + * the Free Software Foundation; either version 2 of the License, or * + * (at your option) any later version. * + * * + * This program is distributed in the hope that it will be useful, * + * but WITHOUT ANY WARRANTY; without even the implied warranty of * + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * + * GNU General Public License for more details. * + * * + * You should have received a copy of the GNU General Public License * + * along with this program; if not, write to the * + * Free Software Foundation, Inc., * + * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. * + ***************************************************************************/ + +#ifdef HAVE_CONFIG_H +#include "config.h" +#endif + +/* project specific includes */ +#include <jtag/interface.h> +#include <jtag/tcl.h> +#include <transport/transport.h> +#include <helper/time_support.h> +#include <target/target.h> +#include <jtag/hla/hla_tcl.h> +#include <jtag/hla/hla_transport.h> +#include <jtag/hla/hla_interface.h> + +COMMAND_HANDLER(hl_transport_jtag_command) +{ + LOG_DEBUG("hl_transport_jtag_command"); + + return ERROR_OK; +} + +COMMAND_HANDLER(hl_transport_reset_command) +{ + return hl_interface_init_reset(); +} + +static const struct command_registration +hl_transport_stlink_subcommand_handlers[] = { + { + .name = "newtap", + .mode = COMMAND_CONFIG, + .jim_handler = jim_hl_newtap, + .help = "Create a new TAP instance named basename.tap_type, " + "and appends it to the scan chain.", + .usage = "basename tap_type '-irlen' count " + "['-expected_id' number] ", + }, + + COMMAND_REGISTRATION_DONE +}; + +static const struct command_registration +hl_transport_jtag_subcommand_handlers[] = { + { + .name = "init", + .mode = COMMAND_ANY, + .handler = hl_transport_jtag_command, + .usage = "" + }, + { + .name = "arp_init", + .mode = COMMAND_ANY, + .handler = hl_transport_jtag_command, + .usage = "" + }, + { + .name = "arp_init-reset", + .mode = COMMAND_ANY, + .handler = hl_transport_reset_command, + .usage = "" + }, + { + .name = "tapisenabled", + .mode = COMMAND_EXEC, + .jim_handler = jim_jtag_tap_enabler, + }, + { + .name = "tapenable", + .mode = COMMAND_EXEC, + .jim_handler = jim_jtag_tap_enabler, + }, + { + .name = "tapdisable", + .mode = COMMAND_EXEC, + .handler = hl_transport_jtag_command, + .usage = "", + }, + { + .name = "configure", + .mode = COMMAND_EXEC, + .handler = hl_transport_jtag_command, + .usage = "", + }, + { + .name = "cget", + .mode = COMMAND_EXEC, + .jim_handler = jim_jtag_configure, + }, + { + .name = "names", + .mode = COMMAND_ANY, + .handler = hl_transport_jtag_command, + .usage = "", + }, + + COMMAND_REGISTRATION_DONE +}; + +static const struct command_registration stlink_transport_command_handlers[] = { + + { + .name = "stlink", + .mode = COMMAND_ANY, + .help = "perform stlink actions", + .usage = "", + .chain = hl_transport_stlink_subcommand_handlers, + }, + { + .name = "jtag", + .mode = COMMAND_ANY, + .usage = "", + .chain = hl_transport_jtag_subcommand_handlers, + }, + COMMAND_REGISTRATION_DONE +}; + +static int hl_transport_register_commands(struct command_context *cmd_ctx) +{ + return register_commands(cmd_ctx, NULL, + stlink_transport_command_handlers); +} + +static int hl_transport_init(struct command_context *cmd_ctx) +{ + LOG_DEBUG("hl_transport_init"); + struct target *t = get_current_target(cmd_ctx); + struct transport *transport; + enum hl_transports tr; + + if (!t) { + LOG_ERROR("no current target"); + return ERROR_FAIL; + } + + transport = get_current_transport(); + + if (!transport) { + LOG_ERROR("no transport selected"); + return ERROR_FAIL; + } + + LOG_DEBUG("current transport %s", transport->name); + + /* get selected transport as enum */ + tr = HL_TRANSPORT_UNKNOWN; + + if (strcmp(transport->name, "stlink_swd") == 0) + tr = HL_TRANSPORT_SWD; + else if (strcmp(transport->name, "stlink_jtag") == 0) + tr = HL_TRANSPORT_JTAG; + else if (strcmp(transport->name, "stlink_swim") == 0) + tr = HL_TRANSPORT_SWIM; + + int retval = hl_interface_open(tr); + + if (retval != ERROR_OK) + return retval; + + return hl_interface_init_target(t); +} + +static int hl_transport_select(struct command_context *ctx) +{ + LOG_DEBUG("hl_transport_select"); + + int retval; + + /* NOTE: interface init must already have been done. + * That works with only C code ... no Tcl glue required. + */ + + retval = hl_transport_register_commands(ctx); + + if (retval != ERROR_OK) + return retval; + + return ERROR_OK; +} + +static struct transport hl_swd_transport = { + .name = "stlink_swd", + .select = hl_transport_select, + .init = hl_transport_init, +}; + +static struct transport hl_jtag_transport = { + .name = "stlink_jtag", + .select = hl_transport_select, + .init = hl_transport_init, +}; + +static struct transport hl_swim_transport = { + .name = "stlink_swim", + .select = hl_transport_select, + .init = hl_transport_init, +}; + +const char *hl_transports[] = { "stlink_swd", "stlink_jtag", "stlink_swim", NULL }; + +static void hl_constructor(void) __attribute__ ((constructor)); +static void hl_constructor(void) +{ + transport_register(&hl_swd_transport); + transport_register(&hl_jtag_transport); + transport_register(&hl_swim_transport); +} |