tap post reset event added. Allows omap3530 to send 100 runtest idle tickle's after...

[openocd.git] / src / jtag / jtag.h

diff --git a/src/jtag/jtag.h b/src/jtag/jtag.h
index 1564ca650c2bdab372170291e8a430337c7f0ba3..b7bfd4cc9d4b3211061c0e0eba96eccf877bf147 100644 (file)
--- a/src/jtag/jtag.h
+++ b/src/jtag/jtag.h
@@ -2,7 +2,7 @@
 *   Copyright (C) 2005 by Dominic Rath                                    *
 *   Dominic.Rath@gmx.de                                                   *
 *                                                                         *
-*   Copyright (C) 2007,2008 Øyvind Harboe                                 *
+*   Copyright (C) 2007,2008 Øyvind Harboe                                 *
 *   oyvind.harboe@zylin.com                                               *
 *                                                                         *
 *   This program is free software; you can redistribute it and/or modify  *
@@ -144,7 +144,7 @@ typedef struct jtag_tap_event_action_s jtag_tap_event_action_t;
 
 /* this is really: typedef jtag_tap_t */
 /* But - the typedef is done in "types.h" */
-/* due to "forward decloration reasons" */
+/* due to "forward declaration reasons" */
 struct jtag_tap_s
 {
        const char* chip;
@@ -161,6 +161,7 @@ struct jtag_tap_s
        uint32_t ir_capture_mask;
        uint8_t* expected_mask; /**< Capture-IR expected mask */
        uint32_t idcode;
+       bool hasidcode; /* not all devices have idcode, we'll discover this during chain examination */
        /**< device identification code */
 
        /// Array of expected identification codes */
@@ -185,7 +186,6 @@ extern jtag_tap_t* jtag_all_taps(void);
 extern const char *jtag_tap_name(const jtag_tap_t *tap);
 extern jtag_tap_t* jtag_tap_by_string(const char* dotted_name);
 extern jtag_tap_t* jtag_tap_by_jim_obj(Jim_Interp* interp, Jim_Obj* obj);
-extern jtag_tap_t* jtag_tap_by_position(unsigned abs_position);
 extern jtag_tap_t* jtag_tap_next_enabled(jtag_tap_t* p);
 extern unsigned jtag_tap_count_enabled(void);
 extern unsigned jtag_tap_count(void);
@@ -208,6 +208,7 @@ enum jtag_event {
        JTAG_TRST_ASSERTED,
        JTAG_TAP_EVENT_ENABLE,
        JTAG_TAP_EVENT_DISABLE,
+       JTAG_TAP_EVENT_POST_RESET,
 };
 
 struct jtag_tap_event_action_s
@@ -253,13 +254,16 @@ int jtag_get_speed_readable(int *speed);
  * @returns ERROR_OK during configuration or on success, or an error
  *   code returned from the interface @c speed callback.
  */
-int jtag_set_speed(int speed);
+int jtag_config_speed(int speed);
 
 
 /// Attempt to configure the interface for the specified KHz.
 int jtag_config_khz(unsigned khz);
-/// Set the clock speed of the JTAG interface in KHz.
-void jtag_set_speed_khz(unsigned speed);
+/**
+ * Attempt to enable RTCK/RCLK. If that fails, fallback to the
+ * specified frequency.
+ */
+int jtag_config_rclk(unsigned fallback_speed_khz);
 /// Retreives the clock speed of the JTAG interface in KHz.
 unsigned jtag_get_speed_khz(void);
 
@@ -438,7 +442,7 @@ typedef int (*jtag_callback_t)(jtag_callback_data_t data0, jtag_callback_data_t
  * arguments.
  *
  * @param f The callback function to add.
- * @param in Typically used to point to the data to operate on.
+ * @param data0 Typically used to point to the data to operate on.
  * Frequently this will be the data clocked in during a shift operation.
  * @param data1 An integer big enough to use as an @c int or a pointer.
  * @param data2 An integer big enough to use as an @c int or a pointer.
@@ -632,6 +636,9 @@ extern void jtag_execute_queue_noclear(void);
 /// @returns the number of times the scan queue has been flushed
 int jtag_get_flush_queue_count(void);
 
+/// Notify all TAP's about a TLR reset
+void jtag_notify_reset(void);
+
 
 /* can be implemented by hw + sw */
 extern int jtag_power_dropout(int* dropout);