* 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 *
/* 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;
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 */
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);
JTAG_TRST_ASSERTED,
JTAG_TAP_EVENT_ENABLE,
JTAG_TAP_EVENT_DISABLE,
+ JTAG_TAP_EVENT_POST_RESET,
};
struct jtag_tap_event_action_s
* @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);
*/
extern void jtag_add_plain_dr_scan(int num_fields, const scan_field_t* fields, tap_state_t endstate);
+/**
+ * Defines the type of data passed to the jtag_callback_t interface.
+ * The underlying type must allow storing an @c int or pointer type.
+ */
+typedef intptr_t jtag_callback_data_t;
/**
* Defines a simple JTAG callback that can allow conversions on data
* For conversion types or checks that can fail, use the more complete
* variant: jtag_callback_t.
*/
-typedef void (*jtag_callback1_t)(uint8_t *in);
+typedef void (*jtag_callback1_t)(jtag_callback_data_t data0);
/// A simpler version of jtag_add_callback4().
-extern void jtag_add_callback(jtag_callback1_t, uint8_t *in);
+extern void jtag_add_callback(jtag_callback1_t, jtag_callback_data_t data0);
-/**
- * Defines the type of data passed to the jtag_callback_t interface.
- * The underlying type must allow storing an @c int or pointer type.
- */
-typedef intptr_t jtag_callback_data_t;
/**
* Defines the interface of the JTAG callback mechanism.
* @param data3 An integer big enough to use as an @c int or a pointer.
* @returns an error code
*/
-typedef int (*jtag_callback_t)(uint8_t *in, jtag_callback_data_t data1, jtag_callback_data_t data2, jtag_callback_data_t data3);
+typedef int (*jtag_callback_t)(jtag_callback_data_t data0, jtag_callback_data_t data1, jtag_callback_data_t data2, jtag_callback_data_t data3);
/**
* 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.
* @param data3 An integer big enough to use as an @c int or a pointer.
*
*/
-extern void jtag_add_callback4(jtag_callback_t f, uint8_t *in,
+extern void jtag_add_callback4(jtag_callback_t f, jtag_callback_data_t data0,
jtag_callback_data_t data1, jtag_callback_data_t data2,
jtag_callback_data_t data3);
* matter if the operation was executed *before* jtag_execute_queue(),
* jtag_execute_queue() will still return an error code.
*
- * All jtag_add_xxx() calls that have in_handler!=NULL will have been
+ * All jtag_add_xxx() calls that have in_handler != NULL will have been
* executed when this fn returns, but if what has been queued only
* clocks data out, without reading anything back, then JTAG could
* be running *after* jtag_execute_queue() returns. The API does
/// @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 */
+/* can be implemented by hw + sw */
extern int jtag_power_dropout(int* dropout);
extern int jtag_srst_asserted(int* srst_asserted);