Introduced jtag_init and "jtag arp_init" to allow target scripts more control over...

[openocd.git] / src / jtag / tcl.c

diff --git a/src/jtag/tcl.c b/src/jtag/tcl.c
index 53c19e1a1b1feb6e324a3ae2a9d7961618443722..9101d31eec95f520750eddc9f9f102f73cb6fc31 100644 (file)
--- a/src/jtag/tcl.c
+++ b/src/jtag/tcl.c
@@ -41,7 +41,8 @@
 #endif
 
 static const Jim_Nvp nvp_jtag_tap_event[] = {
-       { .value = JTAG_TAP_EVENT_POST_RESET,   .name = "post-reset" },
+       { .value = JTAG_TRST_ASSERTED,          .name = "post-reset" },
+       { .value = JTAG_TAP_EVENT_SETUP,        .name = "setup" },
        { .value = JTAG_TAP_EVENT_ENABLE,       .name = "tap-enable" },
        { .value = JTAG_TAP_EVENT_DISABLE,      .name = "tap-disable" },
 
@@ -373,7 +374,7 @@ static void jtag_tap_handle_event(jtag_tap_t *tap, enum jtag_event e)
 
        for (jteap = tap->event_action; jteap != NULL; jteap = jteap->next) {
                if (jteap->event == e) {
-                       LOG_DEBUG("JTAG tap: %s event: %d (%s) action: %s\n",
+                       LOG_DEBUG("JTAG tap: %s event: %d (%s)\n\taction: %s",
                                        tap->dotted_name,
                                        e,
                                        Jim_Nvp_value2name_simple(nvp_jtag_tap_event, e)->name,
@@ -384,10 +385,12 @@ static void jtag_tap_handle_event(jtag_tap_t *tap, enum jtag_event e)
                        case JTAG_TAP_EVENT_ENABLE:
                        case JTAG_TAP_EVENT_DISABLE:
                                /* NOTE:  we currently assume the handlers
-                                * can't fail.  That presumes later code
-                                * will be verifying the scan chains ...
+                                * can't fail.  Right here is where we should
+                                * really be verifying the scan chains ...
                                 */
                                tap->enabled = (e == JTAG_TAP_EVENT_ENABLE);
+                               LOG_INFO("JTAG tap: %s %s", tap->dotted_name,
+                                       tap->enabled ? "enabled" : "disabled");
                                break;
                        default:
                                break;
@@ -407,6 +410,7 @@ static int jim_jtag_command(Jim_Interp *interp, int argc, Jim_Obj *const *argv)
 
        enum {
                JTAG_CMD_INTERFACE,
+               JTAG_CMD_INIT,
                JTAG_CMD_INIT_RESET,
                JTAG_CMD_NEWTAP,
                JTAG_CMD_TAPENABLE,
@@ -419,6 +423,7 @@ static int jim_jtag_command(Jim_Interp *interp, int argc, Jim_Obj *const *argv)
 
        const Jim_Nvp jtag_cmds[] = {
                { .name = "interface"     , .value = JTAG_CMD_INTERFACE },
+               { .name = "arp_init"      , .value = JTAG_CMD_INIT },
                { .name = "arp_init-reset", .value = JTAG_CMD_INIT_RESET },
                { .name = "newtap"        , .value = JTAG_CMD_NEWTAP },
                { .name = "tapisenabled"     , .value = JTAG_CMD_TAPISENABLED },
@@ -452,6 +457,17 @@ static int jim_jtag_command(Jim_Interp *interp, int argc, Jim_Obj *const *argv)
                }
                Jim_SetResultString(goi.interp, jtag_interface->name, -1);
                return JIM_OK;
+       case JTAG_CMD_INIT:
+               if (goi.argc != 0) {
+                       Jim_WrongNumArgs(goi.interp, 1, goi.argv-1, "(no params)");
+                       return JIM_ERR;
+               }
+               e = jtag_init_inner(context);
+               if (e != ERROR_OK) {
+                       Jim_SetResult_sprintf(goi.interp, "error: %d", e);
+                       return JIM_ERR;
+               }
+               return JIM_OK;
        case JTAG_CMD_INIT_RESET:
                if (goi.argc != 0) {
                        Jim_WrongNumArgs(goi.interp, 1, goi.argv-1, "(no params)");
@@ -586,13 +602,12 @@ static int jim_jtag_command(Jim_Interp *interp, int argc, Jim_Obj *const *argv)
 }
 
 
-void jtag_notify_reset(void)
+void jtag_notify_event(enum jtag_event event)
 {
        jtag_tap_t *tap;
+
        for (tap = jtag_all_taps(); tap; tap = tap->next_tap)
-       {
-               jtag_tap_handle_event(tap, JTAG_TAP_EVENT_POST_RESET);
-       }
+               jtag_tap_handle_event(tap, event);
 }