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jtag/adapter: add connect_[de]assert_srst to reset_config usage
[openocd.git] / src / jtag / adapter.c
diff --git a/src/jtag/adapter.c b/src/jtag/adapter.c
index a0cd5e3dabe826617e445dbfcb4840fc95d65c84..16d90fb7572ca063680a91c130b126ac52113b12 100644 (file)
--- a/src/jtag/adapter.c
+++ b/src/jtag/adapter.c
@@ -27,6 +27,7 @@
  *   Free Software Foundation, Inc.,                                       *
  *   59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.             *
  ***************************************************************************/
+
 #ifdef HAVE_CONFIG_H
 #include "config.h"
 #endif
@@ -49,8 +50,7 @@
 extern struct jtag_interface *jtag_interface;
 const char *jtag_only[] = { "jtag", NULL };
 
-static int
-jim_adapter_name(Jim_Interp *interp, int argc, Jim_Obj *const *argv)
+static int jim_adapter_name(Jim_Interp *interp, int argc, Jim_Obj * const *argv)
 {
        Jim_GetOptInfo goi;
        Jim_GetOpt_Setup(&goi, interp, argc-1, argv + 1);
@@ -67,7 +67,6 @@ jim_adapter_name(Jim_Interp *interp, int argc, Jim_Obj *const *argv)
        return JIM_OK;
 }
 
-
 static int default_khz(int khz, int *jtag_speed)
 {
        LOG_ERROR("Translation from khz to jtag_speed not implemented");
@@ -98,9 +97,8 @@ COMMAND_HANDLER(interface_transport_command)
        int retval;
 
        retval = CALL_COMMAND_HANDLER(transport_list_parse, &transports);
-       if (retval != ERROR_OK) {
+       if (retval != ERROR_OK)
                return retval;
-       }
 
        retval = allow_transports(CMD_CTX, (const char **)transports);
 
@@ -118,8 +116,7 @@ COMMAND_HANDLER(handle_interface_list_command)
                return ERROR_COMMAND_SYNTAX_ERROR;
 
        command_print(CMD_CTX, "The following debug interfaces are available:");
-       for (unsigned i = 0; NULL != jtag_interfaces[i]; i++)
-       {
+       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);
        }
@@ -132,8 +129,7 @@ COMMAND_HANDLER(handle_interface_command)
        int retval;
 
        /* check whether the interface is already configured */
-       if (jtag_interface)
-       {
+       if (jtag_interface) {
                LOG_WARNING("Interface already configured, ignoring");
                return ERROR_OK;
        }
@@ -142,13 +138,11 @@ COMMAND_HANDLER(handle_interface_command)
        if (CMD_ARGC != 1 || CMD_ARGV[0][0] == '\0')
                return ERROR_COMMAND_SYNTAX_ERROR;
 
-       for (unsigned i = 0; NULL != jtag_interfaces[i]; i++)
-       {
+       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)
-               {
+               if (NULL != jtag_interfaces[i]->commands) {
                        retval = register_commands(CMD_CTX, NULL,
                                        jtag_interfaces[i]->commands);
                        if (ERROR_OK != retval)
@@ -218,7 +212,7 @@ COMMAND_HANDLER(handle_reset_config_command)
                if (mask & m) {
                        LOG_ERROR("extra reset_config %s spec (%s)",
                                        "gating", *CMD_ARGV);
-                       return ERROR_INVALID_ARGUMENTS;
+                       return ERROR_COMMAND_SYNTAX_ERROR;
                }
                if (m)
                        goto next;
@@ -238,7 +232,7 @@ COMMAND_HANDLER(handle_reset_config_command)
                if (mask & m) {
                        LOG_ERROR("extra reset_config %s spec (%s)",
                                        "signal", *CMD_ARGV);
-                       return ERROR_INVALID_ARGUMENTS;
+                       return ERROR_COMMAND_SYNTAX_ERROR;
                }
                if (m)
                        goto next;
@@ -258,7 +252,7 @@ COMMAND_HANDLER(handle_reset_config_command)
                if (mask & m) {
                        LOG_ERROR("extra reset_config %s spec (%s)",
                                        "combination", *CMD_ARGV);
-                       return ERROR_INVALID_ARGUMENTS;
+                       return ERROR_COMMAND_SYNTAX_ERROR;
                }
                if (m)
                        goto next;
@@ -274,13 +268,13 @@ COMMAND_HANDLER(handle_reset_config_command)
                if (mask & m) {
                        LOG_ERROR("extra reset_config %s spec (%s)",
                                        "trst_type", *CMD_ARGV);
-                       return ERROR_INVALID_ARGUMENTS;
+                       return ERROR_COMMAND_SYNTAX_ERROR;
                }
                if (m)
                        goto next;
 
                /* srst_type (NOP without HAS_SRST) */
-               m |= RESET_SRST_PUSH_PULL;
+               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)
@@ -290,14 +284,30 @@ COMMAND_HANDLER(handle_reset_config_command)
                if (mask & m) {
                        LOG_ERROR("extra reset_config %s spec (%s)",
                                        "srst_type", *CMD_ARGV);
-                       return ERROR_INVALID_ARGUMENTS;
+                       return ERROR_COMMAND_SYNTAX_ERROR;
+               }
+               if (m)
+                       goto next;
+
+               /* connect_type - only valid when srst_nogate */
+               m = RESET_CNCT_UNDER_SRST;
+               if (strcmp(*CMD_ARGV, "connect_assert_srst") == 0)
+                       tmp |= RESET_CNCT_UNDER_SRST;
+               else if (strcmp(*CMD_ARGV, "connect_deassert_srst") == 0)
+                       /* connect normally - default */;
+               else
+                       m = 0;
+               if (mask & m) {
+                       LOG_ERROR("extra reset_config %s spec (%s)",
+                                       "connect_type", *CMD_ARGV);
+                       return ERROR_COMMAND_SYNTAX_ERROR;
                }
                if (m)
                        goto next;
 
                /* caller provided nonsense; fail */
                LOG_ERROR("unknown reset_config flag (%s)", *CMD_ARGV);
-               return ERROR_INVALID_ARGUMENTS;
+               return ERROR_COMMAND_SYNTAX_ERROR;
 
 next:
                /* Remember the bits which were specified (mask)
@@ -317,42 +327,41 @@ next:
        } else
                new_cfg = jtag_get_reset_config();
 
-
        /*
         * Display the (now-)current reset mode
         */
-       char *modes[5];
+       char *modes[6];
 
        /* 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;
+               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;
+               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 */
@@ -375,14 +384,20 @@ next:
                        modes[4] = " srst_push_pull";
                else
                        modes[4] = " srst_open_drain";
+
+               if (new_cfg & RESET_CNCT_UNDER_SRST)
+                       modes[5] = " connect_assert_srst";
+               else
+                       modes[5] = " connect_deassert_srst";
        } else {
                modes[2] = "";
                modes[4] = "";
+               modes[5] = "";
        }
 
-       command_print(CMD_CTX, "%s %s%s%s%s",
+       command_print(CMD_CTX, "%s %s%s%s%s%s",
                        modes[0], modes[1],
-                       modes[2], modes[3], modes[4]);
+                       modes[2], modes[3], modes[4], modes[5]);
 
        return ERROR_OK;
 }
@@ -391,8 +406,7 @@ COMMAND_HANDLER(handle_adapter_nsrst_delay_command)
 {
        if (CMD_ARGC > 1)
                return ERROR_COMMAND_SYNTAX_ERROR;
-       if (CMD_ARGC == 1)
-       {
+       if (CMD_ARGC == 1) {
                unsigned delay;
                COMMAND_PARSE_NUMBER(uint, CMD_ARGV[0], delay);
 
@@ -406,8 +420,7 @@ COMMAND_HANDLER(handle_adapter_nsrst_assert_width_command)
 {
        if (CMD_ARGC > 1)
                return ERROR_COMMAND_SYNTAX_ERROR;
-       if (CMD_ARGC == 1)
-       {
+       if (CMD_ARGC == 1) {
                unsigned width;
                COMMAND_PARSE_NUMBER(uint, CMD_ARGV[0], width);
 
@@ -417,16 +430,13 @@ COMMAND_HANDLER(handle_adapter_nsrst_assert_width_command)
        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)
-       {
+       if (CMD_ARGC == 1) {
                unsigned khz = 0;
                COMMAND_PARSE_NUMBER(uint, CMD_ARGV[0], khz);
 
@@ -441,9 +451,9 @@ COMMAND_HANDLER(handle_adapter_khz_command)
                return retval;
 
        if (cur_speed)
-               command_print(CMD_CTX, "%d kHz", cur_speed);
+               command_print(CMD_CTX, "adapter speed: %d kHz", cur_speed);
        else
-               command_print(CMD_CTX, "RCLK - adaptive");
+               command_print(CMD_CTX, "adapter speed: RCLK - adaptive");
 
        return retval;
 }
@@ -509,7 +519,8 @@ static const struct command_registration interface_command_handlers[] = {
                        "[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]",
+                       "[srst_push_pull|srst_open_drain] "
+                       "[connect_deassert_srst|connect_assert_srst]",
        },
        COMMAND_REGISTRATION_DONE
 };
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