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/* Copyright 2012 Brian Swetland <swetland@frotz.net>

 *

 * Licensed under the Apache License, Version 2.0 (the "License");

 * you may not use this file except in compliance with the License.

 * You may obtain a copy of the License at

 *

 *     http://www.apache.org/licenses/LICENSE-2.0

 *

 * Unless required by applicable law or agreed to in writing, software

 * distributed under the License is distributed on an "AS IS" BASIS,

 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.

 * See the License for the specific language governing permissions and

 * limitations under the License.

 */

#ifndef _JTAG_H_

#define _JTAG_H_

#define UPDATE_INDEX (1<< 0)

#define UPDATE_IR    (1<< 1)

#define UPDATE_DAT   (1<< 2)

#define UPDATE_WB_ADDR  0x7

#define UPDATE_WB_WR_DATA  0x6

#define UPDATE_WB_RD_DATA  0x5

#define RD_WR_STATUS    0x4

#define BIT_NUM         (word_width<<3) 

#define BYTE_NUM         word_width     

#define MISS_RETRY_NUM  10

/* Global vars */

unsigned int jtag_target_number=3;//default value for arty z7-20 board

unsigned int jtag_shift_reg_size=36;//default value 32 + 4

unsigned int index_num=126;

unsigned int word_width=4; // 

unsigned int write_verify=0;

unsigned int memory_offset=0;

unsigned int memory_boundary=0xFFFFFFFF;

unsigned int WORDS_NUM = 2;// will be updated after reading arguments

int chain_num = 4;

int chain_code= 0x23;

unsigned int mis_addr[MISS_RETRY_NUM+1];

unsigned int miss=0;

char * binary_file_name=0;

char enable_binary_send=0;

char enable_binary_verify=0;

char enable_binary_read=0;

char * write_data=0;

/* altera virtual jtag support */

int jtag_init( );

void jtag_vir(unsigned vir);

void jtag_vindex(unsigned vindex);

void jtag_vdr(unsigned sz, unsigned bits, unsigned *out);

void jtag_vdr_long(unsigned , unsigned * , unsigned *, int );

#include "jtag.c"

#endif