- added support for Asix Presto JTAG interface (thanks to Pavel Chromy and Asix for making this addition possible)
- added support for usbprog (thanks to Benedikt Sauter) - make OpenOCD listen for WM_QUIT messages on windows (thanks to Pavel Chromy) - register at_exit handler to do necessary unregistering (thanks to Pavel Chromy) - added dummy ETM capture driver to allow ETM to be registered without a capture driver git-svn-id: svn://svn.berlios.de/openocd/trunk@180 b42882b7-edfa-0310-969c-e2dbd0fdcd60
This commit is contained in:
drath
632
src/jtag/usbprog.c
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632
src/jtag/usbprog.c
Normal file
@@ -0,0 +1,632 @@
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/***************************************************************************
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* Copyright (C) 2007 by Benedikt Sauter sauter@ixbat.de *
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* based on Dominic Rath's usbprog.c *
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* *
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* This program is free software; you can redistribute it and/or modify *
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* it under the terms of the GNU General Public License as published by *
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* the Free Software Foundation; either version 2 of the License, or *
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||||
* (at your option) any later version. *
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* *
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* This program is distributed in the hope that it will be useful, *
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||||
* but WITHOUT ANY WARRANTY; without even the implied warranty of *
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||||
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
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||||
* GNU General Public License for more details. *
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||||
* *
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||||
* You should have received a copy of the GNU General Public License *
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* along with this program; if not, write to the *
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||||
* Free Software Foundation, Inc., *
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* 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *
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***************************************************************************/
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#ifdef HAVE_CONFIG_H
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#include "config.h"
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#endif
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#include "replacements.h"
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#include "jtag.h"
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#include <usb.h>
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/* system includes */
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#include "log.h"
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#define VID 0x1781
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#define PID 0x0c62
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int usbprog_execute_queue(void);
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int usbprog_speed(int speed);
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int usbprog_register_commands(struct command_context_s *cmd_ctx);
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int usbprog_init(void);
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int usbprog_quit(void);
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void usbprog_end_state(enum tap_state state);
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void usbprog_state_move(void);
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void usbprog_path_move(pathmove_command_t *cmd);
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void usbprog_runtest(int num_cycles);
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void usbprog_scan(int ir_scan, enum scan_type type, u8 *buffer, int scan_size);
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jtag_interface_t usbprog_interface =
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{
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.name = "usbprog",
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.execute_queue = usbprog_execute_queue,
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.support_pathmove = 0,
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.speed = usbprog_speed,
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.register_commands = usbprog_register_commands,
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.init = usbprog_init,
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.quit = usbprog_quit
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};
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// pins from avr
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#define TDO_BIT 0
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#define TDI_BIT 3
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#define TCK_BIT 2
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#define TMS_BIT 1
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#define UNKOWN_COMMAND 0x00
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#define PORT_DIRECTION 0x01
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#define PORT_SET 0x02
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#define PORT_GET 0x03
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#define PORT_SETBIT 0x04
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#define PORT_GETBIT 0x05
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#define WRITE_TDI 0x06
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#define READ_TDO 0x07
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#define WRITE_AND_READ 0x08
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#define WRITE_TMS 0x09
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struct usbprog_jtag
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{
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struct usb_dev_handle* usb_handle;
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};
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struct usbprog_jtag * usbprog_jtag_handle;
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struct usbprog_jtag* usbprog_jtag_open();
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void usbprog_jtag_close(struct usbprog_jtag *usbprog_jtag);
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void usbprog_jtag_init(struct usbprog_jtag *usbprog_jtag);
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unsigned char usbprog_jtag_message(struct usbprog_jtag *usbprog_jtag, char *msg, int msglen);
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void usbprog_jtag_read_tdo(struct usbprog_jtag *usbprog_jtag, char * buffer, int size);
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void usbprog_jtag_write_tdi(struct usbprog_jtag *usbprog_jtag, char * buffer, int size);
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void usbprog_jtag_write_and_read(struct usbprog_jtag *usbprog_jtag, char * buffer, int size);
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void usbprog_jtag_write_tms(struct usbprog_jtag *usbprog_jtag, char tms_scan);
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void usbprog_write(int tck, int tms, int tdi);
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void usbprog_reset(int trst, int srst);
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void usbprog_jtag_set_direction(struct usbprog_jtag *usbprog_jtag, unsigned char direction);
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void usbprog_jtag_write_slice(struct usbprog_jtag *usbprog_jtag,unsigned char value);
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unsigned char usbprog_jtag_get_port(struct usbprog_jtag *usbprog_jtag);
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void usbprog_jtag_set_bit(struct usbprog_jtag *usbprog_jtag,int bit, int value);
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int usbprog_jtag_get_bit(struct usbprog_jtag *usbprog_jtag, int bit);
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int usbprog_speed(int speed)
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{
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return ERROR_OK;
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}
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int usbprog_register_commands(struct command_context_s *cmd_ctx)
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{
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return ERROR_OK;
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}
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int usbprog_execute_queue(void)
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{
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jtag_command_t *cmd = jtag_command_queue; /* currently processed command */
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int scan_size;
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enum scan_type type;
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u8 *buffer;
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while (cmd)
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{
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switch (cmd->type)
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{
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case JTAG_END_STATE:
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#ifdef _DEBUG_JTAG_IO_
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DEBUG("end_state: %i", cmd->cmd.end_state->end_state);
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#endif
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if (cmd->cmd.end_state->end_state != -1)
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usbprog_end_state(cmd->cmd.end_state->end_state);
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break;
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case JTAG_RESET:
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#ifdef _DEBUG_JTAG_IO_
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DEBUG("reset trst: %i srst %i", cmd->cmd.reset->trst, cmd->cmd.reset->srst);
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#endif
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if (cmd->cmd.reset->trst == 1)
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{
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cur_state = TAP_TLR;
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}
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usbprog_reset(cmd->cmd.reset->trst, cmd->cmd.reset->srst);
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break;
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case JTAG_RUNTEST:
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#ifdef _DEBUG_JTAG_IO_
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DEBUG("runtest %i cycles, end in %i", cmd->cmd.runtest->num_cycles, cmd->cmd.runtest->end_state);
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#endif
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if (cmd->cmd.runtest->end_state != -1)
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usbprog_end_state(cmd->cmd.runtest->end_state);
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usbprog_runtest(cmd->cmd.runtest->num_cycles);
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break;
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case JTAG_STATEMOVE:
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#ifdef _DEBUG_JTAG_IO_
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DEBUG("statemove end in %i", cmd->cmd.statemove->end_state);
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#endif
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if (cmd->cmd.statemove->end_state != -1)
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usbprog_end_state(cmd->cmd.statemove->end_state);
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usbprog_state_move();
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break;
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case JTAG_PATHMOVE:
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#ifdef _DEBUG_JTAG_IO_
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DEBUG("pathmove: %i states, end in %i", cmd->cmd.pathmove->num_states,
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cmd->cmd.pathmove->path[cmd->cmd.pathmove->num_states - 1]);
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#endif
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usbprog_path_move(cmd->cmd.pathmove);
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break;
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case JTAG_SCAN:
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#ifdef _DEBUG_JTAG_IO_
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DEBUG("scan end in %i", cmd->cmd.scan->end_state);
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#endif
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if (cmd->cmd.scan->end_state != -1)
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usbprog_end_state(cmd->cmd.scan->end_state);
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scan_size = jtag_build_buffer(cmd->cmd.scan, &buffer);
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type = jtag_scan_type(cmd->cmd.scan);
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usbprog_scan(cmd->cmd.scan->ir_scan, type, buffer, scan_size);
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if (jtag_read_buffer(buffer, cmd->cmd.scan) != ERROR_OK)
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return ERROR_JTAG_QUEUE_FAILED;
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if (buffer)
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free(buffer);
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break;
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case JTAG_SLEEP:
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#ifdef _DEBUG_JTAG_IO_
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DEBUG("sleep %i", cmd->cmd.sleep->us);
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#endif
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jtag_sleep(cmd->cmd.sleep->us);
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break;
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default:
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ERROR("BUG: unknown JTAG command type encountered");
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exit(-1);
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}
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cmd = cmd->next;
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}
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return ERROR_OK;
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}
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int usbprog_init(void)
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{
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usbprog_jtag_handle = usbprog_jtag_open();
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if(usbprog_jtag_handle==0){
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ERROR("Can't find USB JTAG Interface! Please check connection and permissions.");
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return ERROR_JTAG_INIT_FAILED;
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}
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INFO("USB JTAG Interface ready!");
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usbprog_jtag_init(usbprog_jtag_handle);
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usbprog_reset(0, 0);
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usbprog_write(0, 0, 0);
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return ERROR_OK;
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}
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int usbprog_quit(void)
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{
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return ERROR_OK;
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}
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/*************** jtag execute commands **********************/
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void usbprog_end_state(enum tap_state state)
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{
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if (tap_move_map[state] != -1)
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end_state = state;
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else
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{
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ERROR("BUG: %i is not a valid end state", state);
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exit(-1);
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}
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}
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void usbprog_state_move(void) {
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int i=0, tms=0;
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u8 tms_scan = TAP_MOVE(cur_state, end_state);
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usbprog_jtag_write_tms(usbprog_jtag_handle,(char)tms_scan);
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for (i = 0; i < 7; i++)
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{
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tms = (tms_scan >> i) & 1;
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}
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// moved into firmware
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// INFO("4");
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// koennte man in tms verlagern
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//usbprog_write(0, tms, 0);
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cur_state = end_state;
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}
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void usbprog_path_move(pathmove_command_t *cmd)
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{
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int num_states = cmd->num_states;
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int state_count;
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state_count = 0;
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while (num_states)
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{
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if (tap_transitions[cur_state].low == cmd->path[state_count])
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{
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INFO("1");
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usbprog_write(0, 0, 0);
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usbprog_write(1, 0, 0);
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}
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else if (tap_transitions[cur_state].high == cmd->path[state_count])
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{
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INFO("2");
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usbprog_write(0, 1, 0);
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usbprog_write(1, 1, 0);
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}
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else
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{
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ERROR("BUG: %s -> %s isn't a valid TAP transition", tap_state_strings[cur_state], tap_state_strings[cmd->path[state_count]]);
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exit(-1);
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}
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cur_state = cmd->path[state_count];
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state_count++;
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num_states--;
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}
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end_state = cur_state;
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}
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void usbprog_runtest(int num_cycles)
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{
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int i;
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enum tap_state saved_end_state = end_state;
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/* only do a state_move when we're not already in RTI */
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if (cur_state != TAP_RTI)
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{
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usbprog_end_state(TAP_RTI);
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//INFO("6");
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usbprog_state_move();
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}
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/* execute num_cycles */
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if(num_cycles>0)
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{
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INFO("5");
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usbprog_write(0, 0, 0);
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}
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for (i = 0; i < num_cycles; i++)
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{
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INFO("3");
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usbprog_write(1, 0, 0);
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usbprog_write(0, 0, 0);
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}
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/* finish in end_state */
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/*
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usbprog_end_state(saved_end_state);
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if (cur_state != end_state)
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usbprog_state_move();
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*/
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}
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||||
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void usbprog_scan(int ir_scan, enum scan_type type, u8 *buffer, int scan_size)
|
||||
{
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enum tap_state saved_end_state = end_state;
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int bit_cnt;
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||||
|
||||
if (ir_scan)
|
||||
usbprog_end_state(TAP_SI);
|
||||
else
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||||
usbprog_end_state(TAP_SD);
|
||||
|
||||
//INFO("7");
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||||
usbprog_state_move();
|
||||
usbprog_end_state(saved_end_state);
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||||
|
||||
if (type == SCAN_OUT) {
|
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usbprog_jtag_write_tdi(usbprog_jtag_handle,buffer, scan_size);
|
||||
}
|
||||
if (type == SCAN_IN) {
|
||||
usbprog_jtag_read_tdo(usbprog_jtag_handle,buffer, scan_size);
|
||||
}
|
||||
if (type == SCAN_IO) {
|
||||
usbprog_jtag_write_and_read(usbprog_jtag_handle,buffer, scan_size);
|
||||
}
|
||||
|
||||
if (ir_scan)
|
||||
cur_state = TAP_PI;
|
||||
else
|
||||
cur_state = TAP_PD;
|
||||
|
||||
if (cur_state != end_state)
|
||||
usbprog_state_move();
|
||||
}
|
||||
|
||||
/*************** jtag wrapper functions *********************/
|
||||
|
||||
void usbprog_write(int tck, int tms, int tdi)
|
||||
{
|
||||
//INFO("->USBPROG SLICE");
|
||||
//DEBUG("slice tck %i tms %i tdi %i",tck,tms,tdi);
|
||||
unsigned char output_value=0x00;
|
||||
|
||||
if (tms)
|
||||
output_value |= (1<<TMS_BIT);
|
||||
if (tdi)
|
||||
output_value |= (1<<TDI_BIT);
|
||||
if (tck)
|
||||
output_value |= (1<<TCK_BIT);
|
||||
|
||||
usbprog_jtag_write_slice(usbprog_jtag_handle,output_value);
|
||||
}
|
||||
|
||||
/* (1) assert or (0) deassert reset lines */
|
||||
void usbprog_reset(int trst, int srst)
|
||||
{
|
||||
//INFO("->USBPROG RESET");
|
||||
DEBUG("trst: %i, srst: %i", trst, srst);
|
||||
|
||||
if(trst)
|
||||
usbprog_jtag_set_bit(usbprog_jtag_handle,5,0);
|
||||
else
|
||||
usbprog_jtag_set_bit(usbprog_jtag_handle,5,1);
|
||||
|
||||
if(srst)
|
||||
usbprog_jtag_set_bit(usbprog_jtag_handle,4,0);
|
||||
else
|
||||
usbprog_jtag_set_bit(usbprog_jtag_handle,4,1);
|
||||
}
|
||||
|
||||
|
||||
|
||||
/*************** jtag lowlevel functions ********************/
|
||||
|
||||
|
||||
struct usbprog_jtag* usbprog_jtag_open()
|
||||
{
|
||||
struct usb_bus *busses;
|
||||
struct usb_dev_handle* usb_handle;
|
||||
struct usb_bus *bus;
|
||||
struct usb_device *dev;
|
||||
|
||||
struct usbprog_jtag * tmp;
|
||||
|
||||
tmp = (struct usbprog_jtag*)malloc(sizeof(struct usbprog_jtag));
|
||||
|
||||
|
||||
usb_init();
|
||||
usb_find_busses();
|
||||
usb_find_devices();
|
||||
|
||||
busses = usb_get_busses();
|
||||
|
||||
/* find usbprog_jtag device in usb bus */
|
||||
|
||||
for (bus = busses; bus; bus = bus->next){
|
||||
for (dev = bus->devices; dev; dev = dev->next){
|
||||
/* condition for sucessfully hit (too bad, I only check the vendor id)*/
|
||||
if (dev->descriptor.idVendor == VID && dev->descriptor.idProduct == PID) {
|
||||
tmp->usb_handle = usb_open(dev);
|
||||
usb_set_configuration (tmp->usb_handle,dev->config[0].bConfigurationValue);
|
||||
usb_claim_interface(tmp->usb_handle, 0);
|
||||
usb_set_altinterface(tmp->usb_handle,0);
|
||||
return tmp;
|
||||
}
|
||||
}
|
||||
}
|
||||
return 0;
|
||||
}
|
||||
|
||||
|
||||
void usbprog_jtag_close(struct usbprog_jtag *usbprog_jtag)
|
||||
{
|
||||
usb_close(usbprog_jtag->usb_handle);
|
||||
free(usbprog_jtag);
|
||||
}
|
||||
|
||||
|
||||
unsigned char usbprog_jtag_message(struct usbprog_jtag *usbprog_jtag, char *msg, int msglen)
|
||||
{
|
||||
int res = usb_bulk_write(usbprog_jtag->usb_handle,3,msg,msglen,100);
|
||||
if(msg[0]==2)
|
||||
return 1;
|
||||
if(res == msglen) {
|
||||
res = usb_bulk_read(usbprog_jtag->usb_handle,0x82, msg, 2, 100);
|
||||
if (res > 0)
|
||||
return (unsigned char)msg[1];
|
||||
else
|
||||
return -1;
|
||||
}
|
||||
else
|
||||
return -1;
|
||||
return 0;
|
||||
}
|
||||
|
||||
void usbprog_jtag_init(struct usbprog_jtag *usbprog_jtag)
|
||||
{
|
||||
usbprog_jtag_set_direction(usbprog_jtag, 0xFE);
|
||||
}
|
||||
|
||||
|
||||
void usbprog_jtag_write_and_read(struct usbprog_jtag *usbprog_jtag, char * buffer, int size)
|
||||
{
|
||||
char tmp[64]; // fastes packet size for usb controller
|
||||
int send_bits,bufindex=0,fillindex=0,i,j,complete=size,loops;
|
||||
|
||||
char swap;
|
||||
// 61 byte can be transfered (488 bit)
|
||||
|
||||
while(size > 0) {
|
||||
if(size > 488) {
|
||||
send_bits = 488;
|
||||
size = size - 488;
|
||||
loops = 61;
|
||||
} else {
|
||||
send_bits = size;
|
||||
loops = size/8;
|
||||
loops++;
|
||||
size = 0;
|
||||
}
|
||||
tmp[0] = WRITE_AND_READ;
|
||||
tmp[1] = (char)(send_bits>>8); // high
|
||||
tmp[2] = (char)(send_bits); // low
|
||||
i=0;
|
||||
|
||||
for(i=0;i < loops ;i++) {
|
||||
tmp[3+i]=buffer[bufindex];
|
||||
bufindex++;
|
||||
}
|
||||
|
||||
usb_bulk_write(usbprog_jtag->usb_handle,3,tmp,64,1000);
|
||||
|
||||
while(usb_bulk_read(usbprog_jtag->usb_handle,0x82, tmp, 64, 1000) < 1);
|
||||
|
||||
for(i=0;i<loops ;i++) {
|
||||
swap = tmp[3+i];
|
||||
buffer[fillindex++] = swap;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
void usbprog_jtag_read_tdo(struct usbprog_jtag *usbprog_jtag, char * buffer, int size)
|
||||
{
|
||||
char tmp[64]; // fastes packet size for usb controller
|
||||
int send_bits,bufindex=0,fillindex=0,i,j,complete=size,loops;
|
||||
|
||||
char swap;
|
||||
// 61 byte can be transfered (488 bit)
|
||||
|
||||
while(size > 0) {
|
||||
if(size > 488) {
|
||||
send_bits = 488;
|
||||
size = size - 488;
|
||||
loops = 61;
|
||||
} else {
|
||||
send_bits = size;
|
||||
loops = size/8;
|
||||
loops++;
|
||||
size = 0;
|
||||
}
|
||||
tmp[0] = WRITE_AND_READ;
|
||||
tmp[1] = (char)(send_bits>>8); // high
|
||||
tmp[2] = (char)(send_bits); // low
|
||||
|
||||
usb_bulk_write(usbprog_jtag->usb_handle,3,tmp,3,1000);
|
||||
|
||||
while(usb_bulk_read(usbprog_jtag->usb_handle,0x82, tmp, 64, 10) < 1);
|
||||
|
||||
for(i=0;i<loops ;i++) {
|
||||
swap = tmp[3+i];
|
||||
buffer[fillindex++] = swap;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
void usbprog_jtag_write_tdi(struct usbprog_jtag *usbprog_jtag, char * buffer, int size)
|
||||
{
|
||||
char tmp[64]; // fastes packet size for usb controller
|
||||
int send_bits,bufindex=0,fillindex=0,i,j,complete=size,loops;
|
||||
char swap;
|
||||
// 61 byte can be transfered (488 bit)
|
||||
while(size > 0) {
|
||||
if(size > 488) {
|
||||
send_bits = 488;
|
||||
size = size - 488;
|
||||
loops = 61;
|
||||
} else {
|
||||
send_bits = size;
|
||||
loops = size/8;
|
||||
//if(loops==0)
|
||||
loops++;
|
||||
size = 0;
|
||||
}
|
||||
tmp[0] = WRITE_TDI;
|
||||
tmp[1] = (char)(send_bits>>8); // high
|
||||
tmp[2] = (char)(send_bits); // low
|
||||
i=0;
|
||||
|
||||
for(i=0;i < loops ;i++) {
|
||||
tmp[3+i]=buffer[bufindex];
|
||||
bufindex++;
|
||||
}
|
||||
usb_bulk_write(usbprog_jtag->usb_handle,3,tmp,64,1000);
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
void usbprog_jtag_write_tms(struct usbprog_jtag *usbprog_jtag, char tms_scan)
|
||||
{
|
||||
char tmp[2]; // fastes packet size for usb controller
|
||||
tmp[0] = WRITE_TMS;
|
||||
tmp[1] = tms_scan;
|
||||
usb_bulk_write(usbprog_jtag->usb_handle,3,tmp,2,1000);
|
||||
}
|
||||
|
||||
|
||||
void usbprog_jtag_set_direction(struct usbprog_jtag *usbprog_jtag, unsigned char direction)
|
||||
{
|
||||
char tmp[2];
|
||||
tmp[0] = PORT_DIRECTION;
|
||||
tmp[1] = (char)direction;
|
||||
usbprog_jtag_message(usbprog_jtag,tmp,2);
|
||||
}
|
||||
|
||||
void usbprog_jtag_write_slice(struct usbprog_jtag *usbprog_jtag,unsigned char value)
|
||||
{
|
||||
char tmp[2];
|
||||
tmp[0] = PORT_SET;
|
||||
tmp[1] = (char)value;
|
||||
usbprog_jtag_message(usbprog_jtag,tmp,2);
|
||||
}
|
||||
|
||||
unsigned char usbprog_jtag_get_port(struct usbprog_jtag *usbprog_jtag)
|
||||
{
|
||||
char tmp[2];
|
||||
tmp[0] = PORT_GET;
|
||||
tmp[1] = 0x00;
|
||||
return usbprog_jtag_message(usbprog_jtag,tmp,2);
|
||||
}
|
||||
|
||||
|
||||
void usbprog_jtag_set_bit(struct usbprog_jtag *usbprog_jtag,int bit, int value)
|
||||
{
|
||||
char tmp[3];
|
||||
tmp[0] = PORT_SETBIT;
|
||||
tmp[1] = (char)bit;
|
||||
if(value==1)
|
||||
tmp[2] = 0x01;
|
||||
else
|
||||
tmp[2] = 0x00;
|
||||
usbprog_jtag_message(usbprog_jtag,tmp,3);
|
||||
}
|
||||
|
||||
int usbprog_jtag_get_bit(struct usbprog_jtag *usbprog_jtag, int bit)
|
||||
{
|
||||
char tmp[2];
|
||||
tmp[0] = PORT_GETBIT;
|
||||
tmp[1] = (char)bit;
|
||||
|
||||
if(usbprog_jtag_message(usbprog_jtag,tmp,2)>0)
|
||||
return 1;
|
||||
else
|
||||
return 0;
|
||||
}
|
||||
|
||||
Reference in New Issue
Block a user