src/jtag/drivers/OpenULINK/include/io.h

   1 /***************************************************************************
   2  *   Copyright (C) 2011 by Martin Schmoelzer                               *
   3  *   <martin.schmoelzer@student.tuwien.ac.at>                              *
   4  *                                                                         *
   5  *   This program is free software; you can redistribute it and/or modify  *
   6  *   it under the terms of the GNU General Public License as published by  *
   7  *   the Free Software Foundation; either version 2 of the License, or     *
   8  *   (at your option) any later version.                                   *
   9  *                                                                         *
  10  *   This program is distributed in the hope that it will be useful,       *
  11  *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
  12  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
  13  *   GNU General Public License for more details.                          *
  14  *                                                                         *
  15  *   You should have received a copy of the GNU General Public License     *
  16  *   along with this program; if not, write to the                         *
  17  *   Free Software Foundation, Inc.,                                       *
  18  *   51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.           *
  19  ***************************************************************************/
  20
  21 #ifndef __IO_H
  22 #define __IO_H
  23
  24 #include "reg_ezusb.h"
  25
  26 /***************************************************************************
  27  *  JTAG Signals:                                                          *
  28  ***************************************************************************
  29  * TMS ....... Test Mode Select                                            *
  30  * TCK ....... Test Clock                                                  *
  31  * TDI ....... Test Data Input  (from device point of view, not JTAG       *
  32  *             adapter point of view!)                                     *
  33  * TDO ....... Test Data Output (from device point of view, not JTAG       *
  34  *             adapter point of view!)                                     *
  35  * TRST ...... Test Reset: Used to reset the TAP Finite State Machine      *
  36  *             into the Test Logic Reset state                             *
  37  * RTCK ...... Return Test Clock                                           *
  38  * OCDSE ..... Enable/Disable OCDS interface (Infineon specific) - shared  *
  39  *             with /JEN                                                   *
  40  * TRAP ...... Trap Condition (Infineon specific) - shared with TSTAT      *
  41  * BRKIN ..... Hardware Break-In (Infineon specific)                       *
  42  * BRKOUT .... Hardware Break-Out (Infineon specific)                      *
  43  * /JEN ...... JTAG-Enable (STMicroelectronics specific) - shared          *
  44  *             with OCDSE                                                  *
  45  * TSTAT ..... JTAG ISP Status (STMicroelectronics specific) - shared      *
  46  *             with TRAP                                                   *
  47  * RESET ..... Chip Reset (STMicroelectronics specific)                    *
  48  * /TERR ..... JTAG ISP Error (STMicroelectronics specific) - shared       *
  49  *             with BRKOUT                                                 *
  50  ***************************************************************************/
  51
  52 /* PORT A */
  53 #define PIN_U_OE      OUTA0
  54 /* PA1 Not Connected */
  55 #define PIN_OE        OUTA2
  56 /* PA3 Not Connected */
  57 #define PIN_RUN_LED   OUTA4
  58 #define PIN_TDO       PINA5
  59 #define PIN_BRKOUT    PINA6
  60 #define PIN_COM_LED   OUTA7
  61
  62 /* PORT B */
  63 #define PIN_TDI       OUTB0
  64 #define PIN_TMS       OUTB1
  65 #define PIN_TCK       OUTB2
  66 #define PIN_TRST      OUTB3
  67 #define PIN_BRKIN     OUTB4
  68 #define PIN_RESET     OUTB5
  69 #define PIN_OCDSE     OUTB6
  70 #define PIN_TRAP      PINB7
  71
  72 /* JTAG Signals with direction 'OUT' on port B */
  73 #define MASK_PORTB_DIRECTION_OUT (PIN_TDI | PIN_TMS | PIN_TCK | PIN_TRST | PIN_BRKIN | PIN_RESET | PIN_OCDSE)
  74
  75 /* PORT C */
  76 #define PIN_RXD0      PINC0
  77 #define PIN_TXD0      OUTC1
  78 #define PIN_RESET_2   PINC2
  79 /* PC3 Not Connecte */
  80 /* PC4 Not Connected */
  81 #define PIN_RTCK      PINC5
  82 #define PIN_WR        OUTC6
  83 /* PC7 Not Connected */
  84
  85 /* LED Macros */
  86 #define SET_RUN_LED()     (OUTA &= ~PIN_RUN_LED)
  87 #define CLEAR_RUN_LED()   (OUTA |=  PIN_RUN_LED)
  88
  89 #define SET_COM_LED()     (OUTA &= ~PIN_COM_LED)
  90 #define CLEAR_COM_LED()   (OUTA |=  PIN_COM_LED)
  91
  92 /* JTAG Pin Macros */
  93 #define GET_TMS()         (PINSB & PIN_TMS)
  94 #define GET_TCK()         (PINSB & PIN_TCK)
  95
  96 #define GET_TDO()         (PINSA & PIN_TDO)
  97 #define GET_BRKOUT()      (PINSA & PIN_BRKOUT)
  98 #define GET_TRAP()        (PINSB & PIN_TRAP)
  99 #define GET_RTCK()        (PINSC & PIN_RTCK)
 100
 101 #define SET_TMS_HIGH()    (OUTB |=  PIN_TMS)
 102 #define SET_TMS_LOW()     (OUTB &= ~PIN_TMS)
 103
 104 #define SET_TCK_HIGH()    (OUTB |=  PIN_TCK)
 105 #define SET_TCK_LOW()     (OUTB &= ~PIN_TCK)
 106
 107 #define SET_TDI_HIGH()    (OUTB |=  PIN_TDI)
 108 #define SET_TDI_LOW()     (OUTB &= ~PIN_TDI)
 109
 110 /* TRST and RESET are low-active and inverted by hardware. SET_HIGH de-asserts
 111  * the signal (enabling reset), SET_LOW asserts the signal (disabling reset) */
 112 #define SET_TRST_HIGH()   (OUTB |=  PIN_TRST)
 113 #define SET_TRST_LOW()    (OUTB &= ~PIN_TRST)
 114
 115 #define SET_RESET_HIGH()  (OUTB |=  PIN_RESET)
 116 #define SET_RESET_LOW()   (OUTB &= ~PIN_RESET)
 117
 118 #define SET_OCDSE_HIGH()  (OUTB |=  PIN_OCDSE)
 119 #define SET_OCDSE_LOW()   (OUTB &= ~PIN_OCDSE)
 120
 121 #define SET_BRKIN_HIGH()  (OUTB |=  PIN_BRKIN)
 122 #define SET_BRKIN_LOW()   (OUTB &= ~PIN_BRKIN)
 123
 124 #endif