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74 lines
3.1 KiB
C
74 lines
3.1 KiB
C
/*
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* $Id$
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*
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* Copyright (C) 2002 ETC s.r.o.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. Neither the name of the ETC s.r.o. nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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* Written by Marcel Telka <marcel@telka.sk>, 2002.
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*
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*/
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#ifndef JTAG_STATE_H
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#define JTAG_STATE_H
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#include <common.h>
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#define TAPSTAT_DR bit(0)
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#define TAPSTAT_IR bit(1)
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#define TAPSTAT_SHIFT bit(2) /* register shift with TMS = 0 */
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#define TAPSTAT_IDLE bit(3) /* to Run-Test/Idle with TMS = 0 */
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#define TAPSTAT_CAPTURE bit(4) /* Capture state */
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#define TAPSTAT_UPDATE bit(5) /* to Update with TMS = 1 */
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#define TAPSTAT_PAUSE bit(6) /* to Pause with TMS = 0 */
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#define TAPSTAT_RESET bit(7) /* Test-Logic-Reset or unknown state */
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#define Unknown_State (TAPSTAT_RESET)
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#define Test_Logic_Reset (TAPSTAT_RESET | TAPSTAT_IDLE)
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#define Run_Test_Idle (TAPSTAT_IDLE)
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#define Select_DR_Scan (TAPSTAT_DR)
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#define Capture_DR (TAPSTAT_DR | TAPSTAT_SHIFT | TAPSTAT_CAPTURE)
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#define Shift_DR (TAPSTAT_DR | TAPSTAT_SHIFT)
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#define Exit1_DR (TAPSTAT_DR | TAPSTAT_UPDATE | TAPSTAT_PAUSE)
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#define Pause_DR (TAPSTAT_DR | TAPSTAT_PAUSE)
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#define Exit2_DR (TAPSTAT_DR | TAPSTAT_SHIFT | TAPSTAT_UPDATE)
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#define Update_DR (TAPSTAT_DR | TAPSTAT_IDLE)
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#define Select_IR_Scan (TAPSTAT_IR)
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#define Capture_IR (TAPSTAT_IR | TAPSTAT_SHIFT | TAPSTAT_CAPTURE)
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#define Shift_IR (TAPSTAT_IR | TAPSTAT_SHIFT)
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#define Exit1_IR (TAPSTAT_IR | TAPSTAT_UPDATE | TAPSTAT_PAUSE)
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#define Pause_IR (TAPSTAT_IR | TAPSTAT_PAUSE)
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#define Exit2_IR (TAPSTAT_IR | TAPSTAT_SHIFT | TAPSTAT_UPDATE)
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#define Update_IR (TAPSTAT_IR | TAPSTAT_IDLE)
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int tap_state( void );
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int tap_state_init( void );
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int tap_state_done( void );
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int tap_state_set_trst( int trst );
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int tap_state_get_trst( void );
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int tap_state_clock( int tms );
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#endif /* JTAG_STATE_H */
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