2136 lines
52 KiB
C
2136 lines
52 KiB
C
/***************************************************************************
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* Copyright (C) 2004, 2006 by Dominic Rath *
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* Dominic.Rath@gmx.de *
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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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#if IS_CYGWIN == 1
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#include "windows.h"
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#endif
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#include "replacements.h"
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/* project specific includes */
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#include "log.h"
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#include "types.h"
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#include "jtag.h"
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#include "configuration.h"
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#include "time_support.h"
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/* system includes */
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#include <string.h>
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#include <stdlib.h>
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#include <unistd.h>
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/* FT2232 access library includes */
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#if BUILD_FT2232_FTD2XX == 1
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#include <ftd2xx.h>
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#elif BUILD_FT2232_LIBFTDI == 1
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#include <ftdi.h>
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#endif
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/* enable this to debug io latency
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*/
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#if 0
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#define _DEBUG_USB_IO_
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#endif
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/* enable this to debug communication
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*/
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#if 0
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#define _DEBUG_USB_COMMS_
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#endif
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int ft2232_execute_queue(void);
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int ft2232_speed(int speed);
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int ft2232_register_commands(struct command_context_s *cmd_ctx);
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int ft2232_init(void);
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int ft2232_quit(void);
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int ft2232_handle_device_desc_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
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int ft2232_handle_serial_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
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int ft2232_handle_layout_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
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int ft2232_handle_vid_pid_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
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int ft2232_handle_latency_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
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char *ft2232_device_desc = NULL;
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char *ft2232_serial = NULL;
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char *ft2232_layout = NULL;
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unsigned char ft2232_latency = 2;
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#define MAX_USB_IDS 8
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/* vid = pid = 0 marks the end of the list */
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static u16 ft2232_vid[MAX_USB_IDS+1] = { 0x0403, 0 };
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static u16 ft2232_pid[MAX_USB_IDS+1] = { 0x6010, 0 };
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typedef struct ft2232_layout_s
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{
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char* name;
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int(*init)(void);
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void(*reset)(int trst, int srst);
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void(*blink)(void);
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} ft2232_layout_t;
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/* init procedures for supported layouts */
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int usbjtag_init(void);
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int jtagkey_init(void);
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int olimex_jtag_init(void);
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int flyswatter_init(void);
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int turtle_init(void);
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int comstick_init(void);
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int stm32stick_init(void);
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/* reset procedures for supported layouts */
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void usbjtag_reset(int trst, int srst);
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void jtagkey_reset(int trst, int srst);
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void olimex_jtag_reset(int trst, int srst);
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void flyswatter_reset(int trst, int srst);
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void turtle_reset(int trst, int srst);
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void comstick_reset(int trst, int srst);
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void stm32stick_reset(int trst, int srst);
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/* blink procedures for layouts that support a blinking led */
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void olimex_jtag_blink(void);
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void turtle_jtag_blink(void);
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ft2232_layout_t ft2232_layouts[] =
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{
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{"usbjtag", usbjtag_init, usbjtag_reset, NULL},
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{"jtagkey", jtagkey_init, jtagkey_reset, NULL},
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{"jtagkey_prototype_v1", jtagkey_init, jtagkey_reset, NULL},
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{"oocdlink", jtagkey_init, jtagkey_reset, NULL},
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{"signalyzer", usbjtag_init, usbjtag_reset, NULL},
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{"evb_lm3s811", usbjtag_init, usbjtag_reset, NULL},
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{"olimex-jtag", olimex_jtag_init, olimex_jtag_reset, olimex_jtag_blink},
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{"flyswatter", flyswatter_init, flyswatter_reset, NULL},
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{"turtelizer2", turtle_init, turtle_reset, turtle_jtag_blink},
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{"comstick", comstick_init, comstick_reset, NULL},
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{"stm32stick", stm32stick_init, stm32stick_reset, NULL},
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{NULL, NULL, NULL},
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};
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static u8 nTRST, nTRSTnOE, nSRST, nSRSTnOE;
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static ft2232_layout_t *layout;
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static u8 low_output = 0x0;
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static u8 low_direction = 0x0;
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static u8 high_output = 0x0;
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static u8 high_direction = 0x0;
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#if BUILD_FT2232_FTD2XX == 1
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static FT_HANDLE ftdih = NULL;
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#elif BUILD_FT2232_LIBFTDI == 1
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static struct ftdi_context ftdic;
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#endif
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static u8 *ft2232_buffer = NULL;
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static int ft2232_buffer_size = 0;
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static int ft2232_read_pointer = 0;
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static int ft2232_expect_read = 0;
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#define FT2232_BUFFER_SIZE 131072
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#define BUFFER_ADD ft2232_buffer[ft2232_buffer_size++]
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#define BUFFER_READ ft2232_buffer[ft2232_read_pointer++]
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jtag_interface_t ft2232_interface =
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{
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.name = "ft2232",
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.execute_queue = ft2232_execute_queue,
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.speed = ft2232_speed,
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.register_commands = ft2232_register_commands,
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.init = ft2232_init,
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.quit = ft2232_quit,
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};
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int ft2232_write(u8 *buf, int size, u32* bytes_written)
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{
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#if BUILD_FT2232_FTD2XX == 1
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FT_STATUS status;
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DWORD dw_bytes_written;
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if ((status = FT_Write(ftdih, buf, size, &dw_bytes_written)) != FT_OK)
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{
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*bytes_written = dw_bytes_written;
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LOG_ERROR("FT_Write returned: %lu", status);
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return ERROR_JTAG_DEVICE_ERROR;
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}
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else
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{
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*bytes_written = dw_bytes_written;
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return ERROR_OK;
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}
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#elif BUILD_FT2232_LIBFTDI == 1
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int retval;
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if ((retval = ftdi_write_data(&ftdic, buf, size)) < 0)
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{
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*bytes_written = 0;
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LOG_ERROR("ftdi_write_data: %s", ftdi_get_error_string(&ftdic));
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return ERROR_JTAG_DEVICE_ERROR;
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}
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else
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{
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*bytes_written = retval;
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return ERROR_OK;
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}
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#endif
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}
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int ft2232_read(u8* buf, int size, u32* bytes_read)
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{
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#if BUILD_FT2232_FTD2XX == 1
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DWORD dw_bytes_read;
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FT_STATUS status;
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int timeout = 5;
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*bytes_read = 0;
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while ((*bytes_read < size) && timeout--)
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{
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if ((status = FT_Read(ftdih, buf + *bytes_read, size -
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*bytes_read, &dw_bytes_read)) != FT_OK)
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{
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*bytes_read = 0;
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LOG_ERROR("FT_Read returned: %lu", status);
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return ERROR_JTAG_DEVICE_ERROR;
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}
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*bytes_read += dw_bytes_read;
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}
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#elif BUILD_FT2232_LIBFTDI == 1
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int retval;
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int timeout = 100;
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*bytes_read = 0;
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while ((*bytes_read < size) && timeout--)
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{
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if ((retval = ftdi_read_data(&ftdic, buf + *bytes_read, size - *bytes_read)) < 0)
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{
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*bytes_read = 0;
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LOG_ERROR("ftdi_read_data: %s", ftdi_get_error_string(&ftdic));
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return ERROR_JTAG_DEVICE_ERROR;
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}
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*bytes_read += retval;
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}
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#endif
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if (*bytes_read < size)
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{
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LOG_ERROR("couldn't read the requested number of bytes from FT2232 device (%i < %i)", *bytes_read, size);
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return ERROR_JTAG_DEVICE_ERROR;
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}
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return ERROR_OK;
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}
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int ft2232_speed(int speed)
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{
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u8 buf[3];
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int retval;
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u32 bytes_written;
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buf[0] = 0x86; /* command "set divisor" */
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buf[1] = speed & 0xff; /* valueL (0=6MHz, 1=3MHz, 2=2.0MHz, ...*/
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buf[2] = (speed >> 8) & 0xff; /* valueH */
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LOG_DEBUG("%2.2x %2.2x %2.2x", buf[0], buf[1], buf[2]);
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if (((retval = ft2232_write(buf, 3, &bytes_written)) != ERROR_OK) || (bytes_written != 3))
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{
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LOG_ERROR("couldn't set FT2232 TCK speed");
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return retval;
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}
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jtag_speed = speed;
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return ERROR_OK;
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}
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int ft2232_register_commands(struct command_context_s *cmd_ctx)
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{
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register_command(cmd_ctx, NULL, "ft2232_device_desc", ft2232_handle_device_desc_command,
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COMMAND_CONFIG, NULL);
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register_command(cmd_ctx, NULL, "ft2232_serial", ft2232_handle_serial_command,
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COMMAND_CONFIG, NULL);
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register_command(cmd_ctx, NULL, "ft2232_layout", ft2232_handle_layout_command,
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COMMAND_CONFIG, NULL);
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register_command(cmd_ctx, NULL, "ft2232_vid_pid", ft2232_handle_vid_pid_command,
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COMMAND_CONFIG, NULL);
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register_command(cmd_ctx, NULL, "ft2232_latency", ft2232_handle_latency_command,
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COMMAND_CONFIG, NULL);
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return ERROR_OK;
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}
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void ft2232_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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LOG_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 ft2232_read_scan(enum scan_type type, u8* buffer, int scan_size)
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{
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int num_bytes = ((scan_size + 7) / 8);
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int bits_left = scan_size;
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int cur_byte = 0;
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while(num_bytes-- > 1)
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{
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buffer[cur_byte] = BUFFER_READ;
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cur_byte++;
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bits_left -= 8;
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}
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buffer[cur_byte] = 0x0;
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if (bits_left > 1)
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{
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buffer[cur_byte] = BUFFER_READ >> 1;
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}
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buffer[cur_byte] = (buffer[cur_byte] | ((BUFFER_READ & 0x02) << 6)) >> (8 - bits_left);
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}
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void ft2232_debug_dump_buffer(void)
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{
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int i;
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char line[256];
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char *line_p = line;
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for (i = 0; i < ft2232_buffer_size; i++)
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{
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line_p += snprintf(line_p, 256 - (line_p - line), "%2.2x ", ft2232_buffer[i]);
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if (i % 16 == 15)
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{
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LOG_DEBUG("%s", line);
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line_p = line;
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}
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}
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if (line_p != line)
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LOG_DEBUG("%s", line);
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}
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int ft2232_send_and_recv(jtag_command_t *first, jtag_command_t *last)
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{
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jtag_command_t *cmd;
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u8 *buffer;
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int scan_size;
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enum scan_type type;
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int retval;
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u32 bytes_written;
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u32 bytes_read;
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#ifdef _DEBUG_USB_IO_
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struct timeval start, inter, inter2, end;
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struct timeval d_inter, d_inter2, d_end;
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#endif
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#ifdef _DEBUG_USB_COMMS_
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LOG_DEBUG("write buffer (size %i):", ft2232_buffer_size);
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ft2232_debug_dump_buffer();
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#endif
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#ifdef _DEBUG_USB_IO_
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gettimeofday(&start, NULL);
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#endif
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if ((retval = ft2232_write(ft2232_buffer, ft2232_buffer_size, &bytes_written)) != ERROR_OK)
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{
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LOG_ERROR("couldn't write MPSSE commands to FT2232");
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exit(-1);
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}
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#ifdef _DEBUG_USB_IO_
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gettimeofday(&inter, NULL);
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#endif
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if (ft2232_expect_read)
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{
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int timeout = 100;
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ft2232_buffer_size = 0;
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#ifdef _DEBUG_USB_IO_
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gettimeofday(&inter2, NULL);
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#endif
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if ((retval = ft2232_read(ft2232_buffer, ft2232_expect_read, &bytes_read)) != ERROR_OK)
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{
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LOG_ERROR("couldn't read from FT2232");
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exit(-1);
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}
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#ifdef _DEBUG_USB_IO_
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gettimeofday(&end, NULL);
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timeval_subtract(&d_inter, &inter, &start);
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timeval_subtract(&d_inter2, &inter2, &start);
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timeval_subtract(&d_end, &end, &start);
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LOG_INFO("inter: %i.%i, inter2: %i.%i end: %i.%i", d_inter.tv_sec, d_inter.tv_usec, d_inter2.tv_sec, d_inter2.tv_usec, d_end.tv_sec, d_end.tv_usec);
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#endif
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ft2232_buffer_size = bytes_read;
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if (ft2232_expect_read != ft2232_buffer_size)
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{
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LOG_ERROR("ft2232_expect_read (%i) != ft2232_buffer_size (%i) (%i retries)", ft2232_expect_read, ft2232_buffer_size, 100 - timeout);
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ft2232_debug_dump_buffer();
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exit(-1);
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}
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#ifdef _DEBUG_USB_COMMS_
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LOG_DEBUG("read buffer (%i retries): %i bytes", 100 - timeout, ft2232_buffer_size);
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ft2232_debug_dump_buffer();
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#endif
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}
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ft2232_expect_read = 0;
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ft2232_read_pointer = 0;
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/* return ERROR_OK, unless a jtag_read_buffer returns a failed check
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* that wasn't handled by a caller-provided error handler
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*/
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retval = ERROR_OK;
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cmd = first;
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while (cmd != last)
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{
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switch (cmd->type)
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{
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case JTAG_SCAN:
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type = jtag_scan_type(cmd->cmd.scan);
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if (type != SCAN_OUT)
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{
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scan_size = jtag_scan_size(cmd->cmd.scan);
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buffer = calloc(CEIL(scan_size, 8), 1);
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ft2232_read_scan(type, buffer, scan_size);
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if (jtag_read_buffer(buffer, cmd->cmd.scan) != ERROR_OK)
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retval = ERROR_JTAG_QUEUE_FAILED;
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free(buffer);
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}
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break;
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default:
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break;
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}
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cmd = cmd->next;
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}
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ft2232_buffer_size = 0;
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return retval;
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}
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void ft2232_add_pathmove(pathmove_command_t *cmd)
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{
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int num_states = cmd->num_states;
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u8 tms_byte;
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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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int bit_count = 0;
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int num_states_batch = num_states > 7 ? 7 : num_states;
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tms_byte = 0x0;
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/* command "Clock Data to TMS/CS Pin (no Read)" */
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BUFFER_ADD = 0x4b;
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/* number of states remaining */
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BUFFER_ADD = num_states_batch - 1;
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while (num_states_batch--)
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{
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if (tap_transitions[cur_state].low == cmd->path[state_count])
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buf_set_u32(&tms_byte, bit_count++, 1, 0x0);
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else if (tap_transitions[cur_state].high == cmd->path[state_count])
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buf_set_u32(&tms_byte, bit_count++, 1, 0x1);
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else
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{
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LOG_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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BUFFER_ADD = tms_byte;
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}
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end_state = cur_state;
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}
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void ft2232_add_scan(int ir_scan, enum scan_type type, u8 *buffer, int scan_size)
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{
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int num_bytes = (scan_size + 7) / 8;
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int bits_left = scan_size;
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int cur_byte = 0;
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int last_bit;
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if (!((!ir_scan && (cur_state == TAP_SD)) || (ir_scan && (cur_state == TAP_SI))))
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{
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/* command "Clock Data to TMS/CS Pin (no Read)" */
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BUFFER_ADD = 0x4b;
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/* scan 7 bit */
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BUFFER_ADD = 0x6;
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/* TMS data bits */
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if (ir_scan)
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{
|
|
BUFFER_ADD = TAP_MOVE(cur_state, TAP_SI);
|
|
cur_state = TAP_SI;
|
|
}
|
|
else
|
|
{
|
|
BUFFER_ADD = TAP_MOVE(cur_state, TAP_SD);
|
|
cur_state = TAP_SD;
|
|
}
|
|
/* LOG_DEBUG("added TMS scan (no read)"); */
|
|
}
|
|
|
|
/* add command for complete bytes */
|
|
while (num_bytes > 1)
|
|
{
|
|
int thisrun_bytes;
|
|
if (type == SCAN_IO)
|
|
{
|
|
/* Clock Data Bytes In and Out LSB First */
|
|
BUFFER_ADD = 0x39;
|
|
/* LOG_DEBUG("added TDI bytes (io %i)", num_bytes); */
|
|
}
|
|
else if (type == SCAN_OUT)
|
|
{
|
|
/* Clock Data Bytes Out on -ve Clock Edge LSB First (no Read) */
|
|
BUFFER_ADD = 0x19;
|
|
/* LOG_DEBUG("added TDI bytes (o)"); */
|
|
}
|
|
else if (type == SCAN_IN)
|
|
{
|
|
/* Clock Data Bytes In on +ve Clock Edge LSB First (no Write) */
|
|
BUFFER_ADD = 0x28;
|
|
/* LOG_DEBUG("added TDI bytes (i %i)", num_bytes); */
|
|
}
|
|
thisrun_bytes = (num_bytes > 65537) ? 65536 : (num_bytes - 1);
|
|
num_bytes -= thisrun_bytes;
|
|
BUFFER_ADD = (thisrun_bytes - 1) & 0xff;
|
|
BUFFER_ADD = ((thisrun_bytes - 1) >> 8) & 0xff;
|
|
if (type != SCAN_IN)
|
|
{
|
|
/* add complete bytes */
|
|
while(thisrun_bytes-- > 0)
|
|
{
|
|
BUFFER_ADD = buffer[cur_byte];
|
|
cur_byte++;
|
|
bits_left -= 8;
|
|
}
|
|
}
|
|
else /* (type == SCAN_IN) */
|
|
{
|
|
bits_left -= 8 * (thisrun_bytes);
|
|
}
|
|
}
|
|
|
|
/* the most signifcant bit is scanned during TAP movement */
|
|
if (type != SCAN_IN)
|
|
last_bit = (buffer[cur_byte] >> (bits_left - 1)) & 0x1;
|
|
else
|
|
last_bit = 0;
|
|
|
|
/* process remaining bits but the last one */
|
|
if (bits_left > 1)
|
|
{
|
|
if (type == SCAN_IO)
|
|
{
|
|
/* Clock Data Bits In and Out LSB First */
|
|
BUFFER_ADD = 0x3b;
|
|
/* LOG_DEBUG("added TDI bits (io) %i", bits_left - 1); */
|
|
}
|
|
else if (type == SCAN_OUT)
|
|
{
|
|
/* Clock Data Bits Out on -ve Clock Edge LSB First (no Read) */
|
|
BUFFER_ADD = 0x1b;
|
|
/* LOG_DEBUG("added TDI bits (o)"); */
|
|
}
|
|
else if (type == SCAN_IN)
|
|
{
|
|
/* Clock Data Bits In on +ve Clock Edge LSB First (no Write) */
|
|
BUFFER_ADD = 0x2a;
|
|
/* LOG_DEBUG("added TDI bits (i %i)", bits_left - 1); */
|
|
}
|
|
BUFFER_ADD = bits_left - 2;
|
|
if (type != SCAN_IN)
|
|
BUFFER_ADD = buffer[cur_byte];
|
|
}
|
|
|
|
if ((ir_scan && (end_state == TAP_SI)) ||
|
|
(!ir_scan && (end_state == TAP_SD)))
|
|
{
|
|
if (type == SCAN_IO)
|
|
{
|
|
/* Clock Data Bits In and Out LSB First */
|
|
BUFFER_ADD = 0x3b;
|
|
/* LOG_DEBUG("added TDI bits (io) %i", bits_left - 1); */
|
|
}
|
|
else if (type == SCAN_OUT)
|
|
{
|
|
/* Clock Data Bits Out on -ve Clock Edge LSB First (no Read) */
|
|
BUFFER_ADD = 0x1b;
|
|
/* LOG_DEBUG("added TDI bits (o)"); */
|
|
}
|
|
else if (type == SCAN_IN)
|
|
{
|
|
/* Clock Data Bits In on +ve Clock Edge LSB First (no Write) */
|
|
BUFFER_ADD = 0x2a;
|
|
/* LOG_DEBUG("added TDI bits (i %i)", bits_left - 1); */
|
|
}
|
|
BUFFER_ADD = 0x0;
|
|
BUFFER_ADD = last_bit;
|
|
}
|
|
else
|
|
{
|
|
/* move from Shift-IR/DR to end state */
|
|
if (type != SCAN_OUT)
|
|
{
|
|
/* Clock Data to TMS/CS Pin with Read */
|
|
BUFFER_ADD = 0x6b;
|
|
/* LOG_DEBUG("added TMS scan (read)"); */
|
|
}
|
|
else
|
|
{
|
|
/* Clock Data to TMS/CS Pin (no Read) */
|
|
BUFFER_ADD = 0x4b;
|
|
/* LOG_DEBUG("added TMS scan (no read)"); */
|
|
}
|
|
BUFFER_ADD = 0x6;
|
|
BUFFER_ADD = TAP_MOVE(cur_state, end_state) | (last_bit << 7);
|
|
cur_state = end_state;
|
|
}
|
|
}
|
|
|
|
int ft2232_large_scan(scan_command_t *cmd, enum scan_type type, u8 *buffer, int scan_size)
|
|
{
|
|
int num_bytes = (scan_size + 7) / 8;
|
|
int bits_left = scan_size;
|
|
int cur_byte = 0;
|
|
int last_bit;
|
|
u8 *receive_buffer = malloc(CEIL(scan_size, 8));
|
|
u8 *receive_pointer = receive_buffer;
|
|
u32 bytes_written;
|
|
u32 bytes_read;
|
|
int retval;
|
|
int thisrun_read = 0;
|
|
|
|
if (cmd->ir_scan)
|
|
{
|
|
LOG_ERROR("BUG: large IR scans are not supported");
|
|
exit(-1);
|
|
}
|
|
|
|
if (cur_state != TAP_SD)
|
|
{
|
|
/* command "Clock Data to TMS/CS Pin (no Read)" */
|
|
BUFFER_ADD = 0x4b;
|
|
/* scan 7 bit */
|
|
BUFFER_ADD = 0x6;
|
|
/* TMS data bits */
|
|
BUFFER_ADD = TAP_MOVE(cur_state, TAP_SD);
|
|
cur_state = TAP_SD;
|
|
}
|
|
|
|
if ((retval = ft2232_write(ft2232_buffer, ft2232_buffer_size, &bytes_written)) != ERROR_OK)
|
|
{
|
|
LOG_ERROR("couldn't write MPSSE commands to FT2232");
|
|
exit(-1);
|
|
}
|
|
LOG_DEBUG("ft2232_buffer_size: %i, bytes_written: %i", ft2232_buffer_size, bytes_written);
|
|
ft2232_buffer_size = 0;
|
|
|
|
/* add command for complete bytes */
|
|
while (num_bytes > 1)
|
|
{
|
|
int thisrun_bytes;
|
|
|
|
if (type == SCAN_IO)
|
|
{
|
|
/* Clock Data Bytes In and Out LSB First */
|
|
BUFFER_ADD = 0x39;
|
|
/* LOG_DEBUG("added TDI bytes (io %i)", num_bytes); */
|
|
}
|
|
else if (type == SCAN_OUT)
|
|
{
|
|
/* Clock Data Bytes Out on -ve Clock Edge LSB First (no Read) */
|
|
BUFFER_ADD = 0x19;
|
|
/* LOG_DEBUG("added TDI bytes (o)"); */
|
|
}
|
|
else if (type == SCAN_IN)
|
|
{
|
|
/* Clock Data Bytes In on +ve Clock Edge LSB First (no Write) */
|
|
BUFFER_ADD = 0x28;
|
|
/* LOG_DEBUG("added TDI bytes (i %i)", num_bytes); */
|
|
}
|
|
thisrun_bytes = (num_bytes > 65537) ? 65536 : (num_bytes - 1);
|
|
thisrun_read = thisrun_bytes;
|
|
num_bytes -= thisrun_bytes;
|
|
BUFFER_ADD = (thisrun_bytes - 1) & 0xff;
|
|
BUFFER_ADD = ((thisrun_bytes - 1) >> 8) & 0xff;
|
|
if (type != SCAN_IN)
|
|
{
|
|
/* add complete bytes */
|
|
while(thisrun_bytes-- > 0)
|
|
{
|
|
BUFFER_ADD = buffer[cur_byte];
|
|
cur_byte++;
|
|
bits_left -= 8;
|
|
}
|
|
}
|
|
else /* (type == SCAN_IN) */
|
|
{
|
|
bits_left -= 8 * (thisrun_bytes);
|
|
}
|
|
|
|
if ((retval = ft2232_write(ft2232_buffer, ft2232_buffer_size, &bytes_written)) != ERROR_OK)
|
|
{
|
|
LOG_ERROR("couldn't write MPSSE commands to FT2232");
|
|
exit(-1);
|
|
}
|
|
LOG_DEBUG("ft2232_buffer_size: %i, bytes_written: %i", ft2232_buffer_size, bytes_written);
|
|
ft2232_buffer_size = 0;
|
|
|
|
if (type != SCAN_OUT)
|
|
{
|
|
if ((retval = ft2232_read(receive_pointer, thisrun_read, &bytes_read)) != ERROR_OK)
|
|
{
|
|
LOG_ERROR("couldn't read from FT2232");
|
|
exit(-1);
|
|
}
|
|
LOG_DEBUG("thisrun_read: %i, bytes_read: %i", thisrun_read, bytes_read);
|
|
receive_pointer += bytes_read;
|
|
}
|
|
}
|
|
|
|
thisrun_read = 0;
|
|
|
|
/* the most signifcant bit is scanned during TAP movement */
|
|
if (type != SCAN_IN)
|
|
last_bit = (buffer[cur_byte] >> (bits_left - 1)) & 0x1;
|
|
else
|
|
last_bit = 0;
|
|
|
|
/* process remaining bits but the last one */
|
|
if (bits_left > 1)
|
|
{
|
|
if (type == SCAN_IO)
|
|
{
|
|
/* Clock Data Bits In and Out LSB First */
|
|
BUFFER_ADD = 0x3b;
|
|
/* LOG_DEBUG("added TDI bits (io) %i", bits_left - 1); */
|
|
}
|
|
else if (type == SCAN_OUT)
|
|
{
|
|
/* Clock Data Bits Out on -ve Clock Edge LSB First (no Read) */
|
|
BUFFER_ADD = 0x1b;
|
|
/* LOG_DEBUG("added TDI bits (o)"); */
|
|
}
|
|
else if (type == SCAN_IN)
|
|
{
|
|
/* Clock Data Bits In on +ve Clock Edge LSB First (no Write) */
|
|
BUFFER_ADD = 0x2a;
|
|
/* LOG_DEBUG("added TDI bits (i %i)", bits_left - 1); */
|
|
}
|
|
BUFFER_ADD = bits_left - 2;
|
|
if (type != SCAN_IN)
|
|
BUFFER_ADD = buffer[cur_byte];
|
|
|
|
if (type != SCAN_OUT)
|
|
thisrun_read += 2;
|
|
}
|
|
|
|
if (end_state == TAP_SD)
|
|
{
|
|
if (type == SCAN_IO)
|
|
{
|
|
/* Clock Data Bits In and Out LSB First */
|
|
BUFFER_ADD = 0x3b;
|
|
/* LOG_DEBUG("added TDI bits (io) %i", bits_left - 1); */
|
|
}
|
|
else if (type == SCAN_OUT)
|
|
{
|
|
/* Clock Data Bits Out on -ve Clock Edge LSB First (no Read) */
|
|
BUFFER_ADD = 0x1b;
|
|
/* LOG_DEBUG("added TDI bits (o)"); */
|
|
}
|
|
else if (type == SCAN_IN)
|
|
{
|
|
/* Clock Data Bits In on +ve Clock Edge LSB First (no Write) */
|
|
BUFFER_ADD = 0x2a;
|
|
/* LOG_DEBUG("added TDI bits (i %i)", bits_left - 1); */
|
|
}
|
|
BUFFER_ADD = 0x0;
|
|
BUFFER_ADD = last_bit;
|
|
}
|
|
else
|
|
{
|
|
/* move from Shift-IR/DR to end state */
|
|
if (type != SCAN_OUT)
|
|
{
|
|
/* Clock Data to TMS/CS Pin with Read */
|
|
BUFFER_ADD = 0x6b;
|
|
/* LOG_DEBUG("added TMS scan (read)"); */
|
|
}
|
|
else
|
|
{
|
|
/* Clock Data to TMS/CS Pin (no Read) */
|
|
BUFFER_ADD = 0x4b;
|
|
/* LOG_DEBUG("added TMS scan (no read)"); */
|
|
}
|
|
BUFFER_ADD = 0x6;
|
|
BUFFER_ADD = TAP_MOVE(cur_state, end_state) | (last_bit << 7);
|
|
cur_state = end_state;
|
|
}
|
|
|
|
if (type != SCAN_OUT)
|
|
thisrun_read += 1;
|
|
|
|
if ((retval = ft2232_write(ft2232_buffer, ft2232_buffer_size, &bytes_written)) != ERROR_OK)
|
|
{
|
|
LOG_ERROR("couldn't write MPSSE commands to FT2232");
|
|
exit(-1);
|
|
}
|
|
LOG_DEBUG("ft2232_buffer_size: %i, bytes_written: %i", ft2232_buffer_size, bytes_written);
|
|
ft2232_buffer_size = 0;
|
|
|
|
if (type != SCAN_OUT)
|
|
{
|
|
if ((retval = ft2232_read(receive_pointer, thisrun_read, &bytes_read)) != ERROR_OK)
|
|
{
|
|
LOG_ERROR("couldn't read from FT2232");
|
|
exit(-1);
|
|
}
|
|
LOG_DEBUG("thisrun_read: %i, bytes_read: %i", thisrun_read, bytes_read);
|
|
receive_pointer += bytes_read;
|
|
}
|
|
|
|
return ERROR_OK;
|
|
}
|
|
|
|
int ft2232_predict_scan_out(int scan_size, enum scan_type type)
|
|
{
|
|
int predicted_size = 3;
|
|
int num_bytes = (scan_size - 1) / 8;
|
|
|
|
if (cur_state != TAP_SD)
|
|
predicted_size += 3;
|
|
|
|
if (type == SCAN_IN) /* only from device to host */
|
|
{
|
|
/* complete bytes */
|
|
predicted_size += (CEIL(num_bytes, 65536)) * 3;
|
|
/* remaining bits - 1 (up to 7) */
|
|
predicted_size += ((scan_size - 1) % 8) ? 2 : 0;
|
|
}
|
|
else /* host to device, or bidirectional */
|
|
{
|
|
/* complete bytes */
|
|
predicted_size += num_bytes + (CEIL(num_bytes, 65536)) * 3;
|
|
/* remaining bits -1 (up to 7) */
|
|
predicted_size += ((scan_size - 1) % 8) ? 3 : 0;
|
|
}
|
|
|
|
return predicted_size;
|
|
}
|
|
|
|
int ft2232_predict_scan_in(int scan_size, enum scan_type type)
|
|
{
|
|
int predicted_size = 0;
|
|
|
|
if (type != SCAN_OUT)
|
|
{
|
|
/* complete bytes */
|
|
predicted_size += (CEIL(scan_size, 8) > 1) ? (CEIL(scan_size, 8) - 1) : 0;
|
|
/* remaining bits - 1 */
|
|
predicted_size += ((scan_size - 1) % 8) ? 1 : 0;
|
|
/* last bit (from TMS scan) */
|
|
predicted_size += 1;
|
|
}
|
|
|
|
/* LOG_DEBUG("scan_size: %i, predicted_size: %i", scan_size, predicted_size); */
|
|
|
|
return predicted_size;
|
|
}
|
|
|
|
void usbjtag_reset(int trst, int srst)
|
|
{
|
|
if (trst == 1)
|
|
{
|
|
if (jtag_reset_config & RESET_TRST_OPEN_DRAIN)
|
|
low_direction |= nTRSTnOE; /* switch to output pin (output is low) */
|
|
else
|
|
low_output &= ~nTRST; /* switch output low */
|
|
}
|
|
else if (trst == 0)
|
|
{
|
|
if (jtag_reset_config & RESET_TRST_OPEN_DRAIN)
|
|
low_direction &= ~nTRSTnOE; /* switch to input pin (high-Z + internal and external pullup) */
|
|
else
|
|
low_output |= nTRST; /* switch output high */
|
|
}
|
|
|
|
if (srst == 1)
|
|
{
|
|
if (jtag_reset_config & RESET_SRST_PUSH_PULL)
|
|
low_output &= ~nSRST; /* switch output low */
|
|
else
|
|
low_direction |= nSRSTnOE; /* switch to output pin (output is low) */
|
|
}
|
|
else if (srst == 0)
|
|
{
|
|
if (jtag_reset_config & RESET_SRST_PUSH_PULL)
|
|
low_output |= nSRST; /* switch output high */
|
|
else
|
|
low_direction &= ~nSRSTnOE; /* switch to input pin (high-Z) */
|
|
}
|
|
|
|
/* command "set data bits low byte" */
|
|
BUFFER_ADD = 0x80;
|
|
BUFFER_ADD = low_output;
|
|
BUFFER_ADD = low_direction;
|
|
|
|
}
|
|
|
|
void jtagkey_reset(int trst, int srst)
|
|
{
|
|
if (trst == 1)
|
|
{
|
|
if (jtag_reset_config & RESET_TRST_OPEN_DRAIN)
|
|
high_output &= ~nTRSTnOE;
|
|
else
|
|
high_output &= ~nTRST;
|
|
}
|
|
else if (trst == 0)
|
|
{
|
|
if (jtag_reset_config & RESET_TRST_OPEN_DRAIN)
|
|
high_output |= nTRSTnOE;
|
|
else
|
|
high_output |= nTRST;
|
|
}
|
|
|
|
if (srst == 1)
|
|
{
|
|
if (jtag_reset_config & RESET_SRST_PUSH_PULL)
|
|
high_output &= ~nSRST;
|
|
else
|
|
high_output &= ~nSRSTnOE;
|
|
}
|
|
else if (srst == 0)
|
|
{
|
|
if (jtag_reset_config & RESET_SRST_PUSH_PULL)
|
|
high_output |= nSRST;
|
|
else
|
|
high_output |= nSRSTnOE;
|
|
}
|
|
|
|
/* command "set data bits high byte" */
|
|
BUFFER_ADD = 0x82;
|
|
BUFFER_ADD = high_output;
|
|
BUFFER_ADD = high_direction;
|
|
LOG_DEBUG("trst: %i, srst: %i, high_output: 0x%2.2x, high_direction: 0x%2.2x", trst, srst, high_output, high_direction);
|
|
}
|
|
|
|
void olimex_jtag_reset(int trst, int srst)
|
|
{
|
|
if (trst == 1)
|
|
{
|
|
if (jtag_reset_config & RESET_TRST_OPEN_DRAIN)
|
|
high_output &= ~nTRSTnOE;
|
|
else
|
|
high_output &= ~nTRST;
|
|
}
|
|
else if (trst == 0)
|
|
{
|
|
if (jtag_reset_config & RESET_TRST_OPEN_DRAIN)
|
|
high_output |= nTRSTnOE;
|
|
else
|
|
high_output |= nTRST;
|
|
}
|
|
|
|
if (srst == 1)
|
|
{
|
|
high_output |= nSRST;
|
|
}
|
|
else if (srst == 0)
|
|
{
|
|
high_output &= ~nSRST;
|
|
}
|
|
|
|
/* command "set data bits high byte" */
|
|
BUFFER_ADD = 0x82;
|
|
BUFFER_ADD = high_output;
|
|
BUFFER_ADD = high_direction;
|
|
LOG_DEBUG("trst: %i, srst: %i, high_output: 0x%2.2x, high_direction: 0x%2.2x", trst, srst, high_output, high_direction);
|
|
}
|
|
|
|
void flyswatter_reset(int trst, int srst)
|
|
{
|
|
if (trst == 1)
|
|
{
|
|
low_output &= ~nTRST;
|
|
}
|
|
else if (trst == 0)
|
|
{
|
|
low_output |= nTRST;
|
|
}
|
|
|
|
if (srst == 1)
|
|
{
|
|
low_output |= nSRST;
|
|
}
|
|
else if (srst == 0)
|
|
{
|
|
low_output &= ~nSRST;
|
|
}
|
|
|
|
/* command "set data bits low byte" */
|
|
BUFFER_ADD = 0x80;
|
|
BUFFER_ADD = low_output;
|
|
BUFFER_ADD = low_direction;
|
|
LOG_DEBUG("trst: %i, srst: %i, low_output: 0x%2.2x, low_direction: 0x%2.2x", trst, srst, low_output, low_direction);
|
|
}
|
|
|
|
void turtle_reset(int trst, int srst)
|
|
{
|
|
trst = trst;
|
|
|
|
if (srst == 1)
|
|
{
|
|
low_output |= nSRST;
|
|
}
|
|
else if (srst == 0)
|
|
{
|
|
low_output &= ~nSRST;
|
|
}
|
|
|
|
/* command "set data bits low byte" */
|
|
BUFFER_ADD = 0x80;
|
|
BUFFER_ADD = low_output;
|
|
BUFFER_ADD = low_direction;
|
|
LOG_DEBUG("srst: %i, low_output: 0x%2.2x, low_direction: 0x%2.2x", srst, low_output, low_direction);
|
|
}
|
|
|
|
void comstick_reset(int trst, int srst)
|
|
{
|
|
if (trst == 1)
|
|
{
|
|
high_output &= ~nTRST;
|
|
}
|
|
else if (trst == 0)
|
|
{
|
|
high_output |= nTRST;
|
|
}
|
|
|
|
if (srst == 1)
|
|
{
|
|
high_output &= ~nSRST;
|
|
}
|
|
else if (srst == 0)
|
|
{
|
|
high_output |= nSRST;
|
|
}
|
|
|
|
/* command "set data bits high byte" */
|
|
BUFFER_ADD = 0x82;
|
|
BUFFER_ADD = high_output;
|
|
BUFFER_ADD = high_direction;
|
|
LOG_DEBUG("trst: %i, srst: %i, high_output: 0x%2.2x, high_direction: 0x%2.2x", trst, srst, high_output, high_direction);
|
|
}
|
|
|
|
void stm32stick_reset(int trst, int srst)
|
|
{
|
|
if (trst == 1)
|
|
{
|
|
high_output &= ~nTRST;
|
|
}
|
|
else if (trst == 0)
|
|
{
|
|
high_output |= nTRST;
|
|
}
|
|
|
|
if (srst == 1)
|
|
{
|
|
low_output &= ~nSRST;
|
|
}
|
|
else if (srst == 0)
|
|
{
|
|
low_output |= nSRST;
|
|
}
|
|
|
|
/* command "set data bits low byte" */
|
|
BUFFER_ADD = 0x80;
|
|
BUFFER_ADD = low_output;
|
|
BUFFER_ADD = low_direction;
|
|
|
|
/* command "set data bits high byte" */
|
|
BUFFER_ADD = 0x82;
|
|
BUFFER_ADD = high_output;
|
|
BUFFER_ADD = high_direction;
|
|
LOG_DEBUG("trst: %i, srst: %i, high_output: 0x%2.2x, high_direction: 0x%2.2x", trst, srst, high_output, high_direction);
|
|
}
|
|
|
|
int ft2232_execute_queue()
|
|
{
|
|
jtag_command_t *cmd = jtag_command_queue; /* currently processed command */
|
|
jtag_command_t *first_unsent = cmd; /* next command that has to be sent */
|
|
u8 *buffer;
|
|
int scan_size; /* size of IR or DR scan */
|
|
enum scan_type type;
|
|
int i;
|
|
int predicted_size = 0;
|
|
int require_send = 0;
|
|
int retval;
|
|
|
|
/* return ERROR_OK, unless ft2232_send_and_recv reports a failed check
|
|
* that wasn't handled by a caller-provided error handler
|
|
*/
|
|
retval = ERROR_OK;
|
|
|
|
ft2232_buffer_size = 0;
|
|
ft2232_expect_read = 0;
|
|
|
|
/* blink, if the current layout has that feature */
|
|
if (layout->blink)
|
|
layout->blink();
|
|
|
|
while (cmd)
|
|
{
|
|
switch(cmd->type)
|
|
{
|
|
case JTAG_END_STATE:
|
|
if (cmd->cmd.end_state->end_state != -1)
|
|
ft2232_end_state(cmd->cmd.end_state->end_state);
|
|
break;
|
|
case JTAG_RESET:
|
|
/* only send the maximum buffer size that FT2232C can handle */
|
|
predicted_size = 3;
|
|
if (ft2232_buffer_size + predicted_size + 1 > FT2232_BUFFER_SIZE)
|
|
{
|
|
if (ft2232_send_and_recv(first_unsent, cmd) != ERROR_OK)
|
|
retval = ERROR_JTAG_QUEUE_FAILED;
|
|
require_send = 0;
|
|
first_unsent = cmd;
|
|
}
|
|
|
|
if ((cmd->cmd.reset->trst == 1) || (cmd->cmd.reset->srst && (jtag_reset_config & RESET_SRST_PULLS_TRST)))
|
|
{
|
|
cur_state = TAP_TLR;
|
|
}
|
|
layout->reset(cmd->cmd.reset->trst, cmd->cmd.reset->srst);
|
|
require_send = 1;
|
|
|
|
#ifdef _DEBUG_JTAG_IO_
|
|
LOG_DEBUG("trst: %i, srst: %i", cmd->cmd.reset->trst, cmd->cmd.reset->srst);
|
|
#endif
|
|
break;
|
|
case JTAG_RUNTEST:
|
|
/* only send the maximum buffer size that FT2232C can handle */
|
|
predicted_size = 0;
|
|
if (cur_state != TAP_RTI)
|
|
predicted_size += 3;
|
|
predicted_size += 3 * CEIL(cmd->cmd.runtest->num_cycles, 7);
|
|
if ((cmd->cmd.runtest->end_state != -1) && (cmd->cmd.runtest->end_state != TAP_RTI))
|
|
predicted_size += 3;
|
|
if ((cmd->cmd.runtest->end_state == -1) && (end_state != TAP_RTI))
|
|
predicted_size += 3;
|
|
if (ft2232_buffer_size + predicted_size + 1 > FT2232_BUFFER_SIZE)
|
|
{
|
|
if (ft2232_send_and_recv(first_unsent, cmd) != ERROR_OK)
|
|
retval = ERROR_JTAG_QUEUE_FAILED;
|
|
require_send = 0;
|
|
first_unsent = cmd;
|
|
}
|
|
if (cur_state != TAP_RTI)
|
|
{
|
|
/* command "Clock Data to TMS/CS Pin (no Read)" */
|
|
BUFFER_ADD = 0x4b;
|
|
/* scan 7 bit */
|
|
BUFFER_ADD = 0x6;
|
|
/* TMS data bits */
|
|
BUFFER_ADD = TAP_MOVE(cur_state, TAP_RTI);
|
|
cur_state = TAP_RTI;
|
|
require_send = 1;
|
|
}
|
|
i = cmd->cmd.runtest->num_cycles;
|
|
while (i > 0)
|
|
{
|
|
/* command "Clock Data to TMS/CS Pin (no Read)" */
|
|
BUFFER_ADD = 0x4b;
|
|
/* scan 7 bit */
|
|
BUFFER_ADD = (i > 7) ? 6 : (i - 1);
|
|
/* TMS data bits */
|
|
BUFFER_ADD = 0x0;
|
|
cur_state = TAP_RTI;
|
|
i -= (i > 7) ? 7 : i;
|
|
/* LOG_DEBUG("added TMS scan (no read)"); */
|
|
}
|
|
if (cmd->cmd.runtest->end_state != -1)
|
|
ft2232_end_state(cmd->cmd.runtest->end_state);
|
|
if (cur_state != end_state)
|
|
{
|
|
/* command "Clock Data to TMS/CS Pin (no Read)" */
|
|
BUFFER_ADD = 0x4b;
|
|
/* scan 7 bit */
|
|
BUFFER_ADD = 0x6;
|
|
/* TMS data bits */
|
|
BUFFER_ADD = TAP_MOVE(cur_state, end_state);
|
|
cur_state = end_state;
|
|
/* LOG_DEBUG("added TMS scan (no read)"); */
|
|
}
|
|
require_send = 1;
|
|
#ifdef _DEBUG_JTAG_IO_
|
|
LOG_DEBUG("runtest: %i, end in %i", cmd->cmd.runtest->num_cycles, end_state);
|
|
#endif
|
|
break;
|
|
case JTAG_STATEMOVE:
|
|
/* only send the maximum buffer size that FT2232C can handle */
|
|
predicted_size = 3;
|
|
if (ft2232_buffer_size + predicted_size + 1 > FT2232_BUFFER_SIZE)
|
|
{
|
|
if (ft2232_send_and_recv(first_unsent, cmd) != ERROR_OK)
|
|
retval = ERROR_JTAG_QUEUE_FAILED;
|
|
require_send = 0;
|
|
first_unsent = cmd;
|
|
}
|
|
if (cmd->cmd.statemove->end_state != -1)
|
|
ft2232_end_state(cmd->cmd.statemove->end_state);
|
|
/* command "Clock Data to TMS/CS Pin (no Read)" */
|
|
BUFFER_ADD = 0x4b;
|
|
/* scan 7 bit */
|
|
BUFFER_ADD = 0x6;
|
|
/* TMS data bits */
|
|
BUFFER_ADD = TAP_MOVE(cur_state, end_state);
|
|
/* LOG_DEBUG("added TMS scan (no read)"); */
|
|
cur_state = end_state;
|
|
require_send = 1;
|
|
#ifdef _DEBUG_JTAG_IO_
|
|
LOG_DEBUG("statemove: %i", end_state);
|
|
#endif
|
|
break;
|
|
case JTAG_PATHMOVE:
|
|
/* only send the maximum buffer size that FT2232C can handle */
|
|
predicted_size = 3 * CEIL(cmd->cmd.pathmove->num_states, 7);
|
|
if (ft2232_buffer_size + predicted_size + 1 > FT2232_BUFFER_SIZE)
|
|
{
|
|
if (ft2232_send_and_recv(first_unsent, cmd) != ERROR_OK)
|
|
retval = ERROR_JTAG_QUEUE_FAILED;
|
|
require_send = 0;
|
|
first_unsent = cmd;
|
|
}
|
|
ft2232_add_pathmove(cmd->cmd.pathmove);
|
|
require_send = 1;
|
|
#ifdef _DEBUG_JTAG_IO_
|
|
LOG_DEBUG("pathmove: %i states, end in %i", cmd->cmd.pathmove->num_states, cmd->cmd.pathmove->path[cmd->cmd.pathmove->num_states - 1]);
|
|
#endif
|
|
break;
|
|
case JTAG_SCAN:
|
|
scan_size = jtag_build_buffer(cmd->cmd.scan, &buffer);
|
|
type = jtag_scan_type(cmd->cmd.scan);
|
|
predicted_size = ft2232_predict_scan_out(scan_size, type);
|
|
if ((predicted_size + 1) > FT2232_BUFFER_SIZE)
|
|
{
|
|
LOG_DEBUG("oversized ft2232 scan (predicted_size > FT2232_BUFFER_SIZE)");
|
|
/* unsent commands before this */
|
|
if (first_unsent != cmd)
|
|
if (ft2232_send_and_recv(first_unsent, cmd) != ERROR_OK)
|
|
retval = ERROR_JTAG_QUEUE_FAILED;
|
|
|
|
/* current command */
|
|
if (cmd->cmd.scan->end_state != -1)
|
|
ft2232_end_state(cmd->cmd.scan->end_state);
|
|
ft2232_large_scan(cmd->cmd.scan, type, buffer, scan_size);
|
|
require_send = 0;
|
|
first_unsent = cmd->next;
|
|
if (buffer)
|
|
free(buffer);
|
|
break;
|
|
}
|
|
else if (ft2232_buffer_size + predicted_size + 1 > FT2232_BUFFER_SIZE)
|
|
{
|
|
LOG_DEBUG("ft2232 buffer size reached, sending queued commands (first_unsent: %p, cmd: %p)", first_unsent, cmd);
|
|
if (ft2232_send_and_recv(first_unsent, cmd) != ERROR_OK)
|
|
retval = ERROR_JTAG_QUEUE_FAILED;
|
|
require_send = 0;
|
|
first_unsent = cmd;
|
|
}
|
|
ft2232_expect_read += ft2232_predict_scan_in(scan_size, type);
|
|
/* LOG_DEBUG("new read size: %i", ft2232_expect_read); */
|
|
if (cmd->cmd.scan->end_state != -1)
|
|
ft2232_end_state(cmd->cmd.scan->end_state);
|
|
ft2232_add_scan(cmd->cmd.scan->ir_scan, type, buffer, scan_size);
|
|
require_send = 1;
|
|
if (buffer)
|
|
free(buffer);
|
|
#ifdef _DEBUG_JTAG_IO_
|
|
LOG_DEBUG("%s scan, %i bit, end in %i", (cmd->cmd.scan->ir_scan) ? "IR" : "DR", scan_size, end_state);
|
|
#endif
|
|
break;
|
|
case JTAG_SLEEP:
|
|
if (ft2232_send_and_recv(first_unsent, cmd) != ERROR_OK)
|
|
retval = ERROR_JTAG_QUEUE_FAILED;
|
|
first_unsent = cmd->next;
|
|
jtag_sleep(cmd->cmd.sleep->us);
|
|
#ifdef _DEBUG_JTAG_IO_
|
|
LOG_DEBUG("sleep %i usec", cmd->cmd.sleep->us);
|
|
#endif
|
|
break;
|
|
default:
|
|
LOG_ERROR("BUG: unknown JTAG command type encountered");
|
|
exit(-1);
|
|
}
|
|
cmd = cmd->next;
|
|
}
|
|
|
|
if (require_send > 0)
|
|
if (ft2232_send_and_recv(first_unsent, cmd) != ERROR_OK)
|
|
retval = ERROR_JTAG_QUEUE_FAILED;
|
|
|
|
return retval;
|
|
}
|
|
|
|
#if BUILD_FT2232_FTD2XX == 1
|
|
static int ft2232_init_ftd2xx(u16 vid, u16 pid, int more, int *try_more)
|
|
{
|
|
FT_STATUS status;
|
|
DWORD openex_flags = 0;
|
|
char *openex_string = NULL;
|
|
u8 latency_timer;
|
|
|
|
LOG_DEBUG("'ft2232' interface using FTD2XX with '%s' layout (%4.4x:%4.4x)",
|
|
ft2232_layout, vid, pid);
|
|
|
|
#if IS_WIN32 == 0
|
|
/* Add non-standard Vid/Pid to the linux driver */
|
|
if ((status = FT_SetVIDPID(vid, pid)) != FT_OK)
|
|
{
|
|
LOG_WARNING("couldn't add %4.4x:%4.4x",
|
|
vid, pid);
|
|
}
|
|
#endif
|
|
|
|
if (ft2232_device_desc && ft2232_serial)
|
|
{
|
|
LOG_WARNING("can't open by device description and serial number, giving precedence to serial");
|
|
ft2232_device_desc = NULL;
|
|
}
|
|
|
|
if (ft2232_device_desc)
|
|
{
|
|
openex_string = ft2232_device_desc;
|
|
openex_flags = FT_OPEN_BY_DESCRIPTION;
|
|
}
|
|
else if (ft2232_serial)
|
|
{
|
|
openex_string = ft2232_serial;
|
|
openex_flags = FT_OPEN_BY_SERIAL_NUMBER;
|
|
}
|
|
else
|
|
{
|
|
LOG_ERROR("neither device description nor serial number specified");
|
|
LOG_ERROR("please add \"ft2232_device_desc <string>\" or \"ft2232_serial <string>\" to your .cfg file");
|
|
|
|
return ERROR_JTAG_INIT_FAILED;
|
|
}
|
|
|
|
if ((status = FT_OpenEx(openex_string, openex_flags, &ftdih)) != FT_OK)
|
|
{
|
|
DWORD num_devices;
|
|
|
|
if (more) {
|
|
LOG_WARNING("unable to open ftdi device (trying more): %lu",
|
|
status);
|
|
*try_more = 1;
|
|
return ERROR_JTAG_INIT_FAILED;
|
|
}
|
|
LOG_ERROR("unable to open ftdi device: %lu", status);
|
|
status = FT_ListDevices(&num_devices, NULL, FT_LIST_NUMBER_ONLY);
|
|
if (status == FT_OK)
|
|
{
|
|
char **desc_array = malloc(sizeof(char*) * (num_devices + 1));
|
|
int i;
|
|
|
|
for (i = 0; i < num_devices; i++)
|
|
desc_array[i] = malloc(64);
|
|
desc_array[num_devices] = NULL;
|
|
|
|
status = FT_ListDevices(desc_array, &num_devices, FT_LIST_ALL | openex_flags);
|
|
|
|
if (status == FT_OK)
|
|
{
|
|
LOG_ERROR("ListDevices: %lu\n", num_devices);
|
|
for (i = 0; i < num_devices; i++)
|
|
LOG_ERROR("%i: %s", i, desc_array[i]);
|
|
}
|
|
|
|
for (i = 0; i < num_devices; i++)
|
|
free(desc_array[i]);
|
|
free(desc_array);
|
|
}
|
|
else
|
|
{
|
|
LOG_ERROR("ListDevices: NONE\n");
|
|
}
|
|
return ERROR_JTAG_INIT_FAILED;
|
|
}
|
|
|
|
if ((status = FT_SetLatencyTimer(ftdih, ft2232_latency)) != FT_OK)
|
|
{
|
|
LOG_ERROR("unable to set latency timer: %lu", status);
|
|
return ERROR_JTAG_INIT_FAILED;
|
|
}
|
|
|
|
if ((status = FT_GetLatencyTimer(ftdih, &latency_timer)) != FT_OK)
|
|
{
|
|
LOG_ERROR("unable to get latency timer: %lu", status);
|
|
return ERROR_JTAG_INIT_FAILED;
|
|
}
|
|
else
|
|
{
|
|
LOG_DEBUG("current latency timer: %i", latency_timer);
|
|
}
|
|
|
|
if ((status = FT_SetTimeouts(ftdih, 5000, 5000)) != FT_OK)
|
|
{
|
|
LOG_ERROR("unable to set timeouts: %lu", status);
|
|
return ERROR_JTAG_INIT_FAILED;
|
|
}
|
|
|
|
if ((status = FT_SetBitMode(ftdih, 0x0b, 2)) != FT_OK)
|
|
{
|
|
LOG_ERROR("unable to enable bit i/o mode: %lu", status);
|
|
return ERROR_JTAG_INIT_FAILED;
|
|
}
|
|
|
|
return ERROR_OK;
|
|
}
|
|
|
|
static int ft2232_purge_ftd2xx(void)
|
|
{
|
|
FT_STATUS status;
|
|
|
|
if ((status = FT_Purge(ftdih, FT_PURGE_RX | FT_PURGE_TX)) != FT_OK)
|
|
{
|
|
LOG_ERROR("error purging ftd2xx device: %lu", status);
|
|
return ERROR_JTAG_INIT_FAILED;
|
|
}
|
|
|
|
return ERROR_OK;
|
|
}
|
|
#endif /* BUILD_FT2232_FTD2XX == 1 */
|
|
|
|
#if BUILD_FT2232_LIBFTDI == 1
|
|
static int ft2232_init_libftdi(u16 vid, u16 pid, int more, int *try_more)
|
|
{
|
|
u8 latency_timer;
|
|
|
|
LOG_DEBUG("'ft2232' interface using libftdi with '%s' layout (%4.4x:%4.4x)",
|
|
ft2232_layout, vid, pid);
|
|
|
|
if (ftdi_init(&ftdic) < 0)
|
|
return ERROR_JTAG_INIT_FAILED;
|
|
|
|
/* context, vendor id, product id */
|
|
if (ftdi_usb_open_desc(&ftdic, vid, pid, ft2232_device_desc,
|
|
ft2232_serial) < 0) {
|
|
if (more)
|
|
LOG_WARNING("unable to open ftdi device (trying more): %s",
|
|
ftdic.error_str);
|
|
else
|
|
LOG_ERROR("unable to open ftdi device: %s", ftdic.error_str);
|
|
*try_more = 1;
|
|
return ERROR_JTAG_INIT_FAILED;
|
|
}
|
|
|
|
if (ftdi_set_interface(&ftdic, INTERFACE_A) < 0)
|
|
{
|
|
LOG_ERROR("unable to select FT2232 channel A: %s", ftdic.error_str);
|
|
return ERROR_JTAG_INIT_FAILED;
|
|
}
|
|
|
|
if (ftdi_usb_reset(&ftdic) < 0)
|
|
{
|
|
LOG_ERROR("unable to reset ftdi device");
|
|
return ERROR_JTAG_INIT_FAILED;
|
|
}
|
|
|
|
if (ftdi_set_latency_timer(&ftdic, ft2232_latency) < 0)
|
|
{
|
|
LOG_ERROR("unable to set latency timer");
|
|
return ERROR_JTAG_INIT_FAILED;
|
|
}
|
|
|
|
if (ftdi_get_latency_timer(&ftdic, &latency_timer) < 0)
|
|
{
|
|
LOG_ERROR("unable to get latency timer");
|
|
return ERROR_JTAG_INIT_FAILED;
|
|
}
|
|
else
|
|
{
|
|
LOG_DEBUG("current latency timer: %i", latency_timer);
|
|
}
|
|
|
|
ftdi_set_bitmode(&ftdic, 0x0b, 2); /* ctx, JTAG I/O mask */
|
|
|
|
return ERROR_OK;
|
|
}
|
|
|
|
static int ft2232_purge_libftdi(void)
|
|
{
|
|
if (ftdi_usb_purge_buffers(&ftdic) < 0)
|
|
{
|
|
LOG_ERROR("ftdi_purge_buffers: %s", ftdic.error_str);
|
|
return ERROR_JTAG_INIT_FAILED;
|
|
}
|
|
|
|
return ERROR_OK;
|
|
}
|
|
#endif /* BUILD_FT2232_LIBFTDI == 1 */
|
|
|
|
int ft2232_init(void)
|
|
{
|
|
u8 buf[1];
|
|
int retval;
|
|
u32 bytes_written;
|
|
ft2232_layout_t *cur_layout = ft2232_layouts;
|
|
int i;
|
|
|
|
if ((ft2232_layout == NULL) || (ft2232_layout[0] == 0))
|
|
{
|
|
ft2232_layout = "usbjtag";
|
|
LOG_WARNING("No ft2232 layout specified, using default 'usbjtag'");
|
|
}
|
|
|
|
while (cur_layout->name)
|
|
{
|
|
if (strcmp(cur_layout->name, ft2232_layout) == 0)
|
|
{
|
|
layout = cur_layout;
|
|
break;
|
|
}
|
|
cur_layout++;
|
|
}
|
|
|
|
if (!layout)
|
|
{
|
|
LOG_ERROR("No matching layout found for %s", ft2232_layout);
|
|
return ERROR_JTAG_INIT_FAILED;
|
|
}
|
|
|
|
for (i = 0; 1; i++) {
|
|
/*
|
|
* "more indicates that there are more IDs to try, so we should
|
|
* not print an error for an ID mismatch (but for anything
|
|
* else, we should).
|
|
*
|
|
* try_more indicates that the error code returned indicates an
|
|
* ID mismatch (and nothing else) and that we should proceeed
|
|
* with the next ID pair.
|
|
*/
|
|
int more = ft2232_vid[i+1] || ft2232_pid[i+1];
|
|
int try_more = 0;
|
|
|
|
#if BUILD_FT2232_FTD2XX == 1
|
|
retval = ft2232_init_ftd2xx(ft2232_vid[i], ft2232_pid[i],
|
|
more, &try_more);
|
|
#elif BUILD_FT2232_LIBFTDI == 1
|
|
retval = ft2232_init_libftdi(ft2232_vid[i], ft2232_pid[i],
|
|
more, &try_more);
|
|
#endif
|
|
if (retval >= 0)
|
|
break;
|
|
if (!more || !try_more)
|
|
return retval;
|
|
}
|
|
|
|
ft2232_buffer_size = 0;
|
|
ft2232_buffer = malloc(FT2232_BUFFER_SIZE);
|
|
|
|
if (layout->init() != ERROR_OK)
|
|
return ERROR_JTAG_INIT_FAILED;
|
|
|
|
ft2232_speed(jtag_speed);
|
|
|
|
buf[0] = 0x85; /* Disconnect TDI/DO to TDO/DI for Loopback */
|
|
if (((retval = ft2232_write(buf, 1, &bytes_written)) != ERROR_OK) || (bytes_written != 1))
|
|
{
|
|
LOG_ERROR("couldn't write to FT2232 to disable loopback");
|
|
return ERROR_JTAG_INIT_FAILED;
|
|
}
|
|
|
|
#if BUILD_FT2232_FTD2XX == 1
|
|
return ft2232_purge_ftd2xx();
|
|
#elif BUILD_FT2232_LIBFTDI == 1
|
|
return ft2232_purge_libftdi();
|
|
#endif
|
|
|
|
return ERROR_OK;
|
|
}
|
|
|
|
int usbjtag_init(void)
|
|
{
|
|
u8 buf[3];
|
|
u32 bytes_written;
|
|
|
|
low_output = 0x08;
|
|
low_direction = 0x0b;
|
|
|
|
if (strcmp(ft2232_layout, "usbjtag") == 0)
|
|
{
|
|
nTRST = 0x10;
|
|
nTRSTnOE = 0x10;
|
|
nSRST = 0x40;
|
|
nSRSTnOE = 0x40;
|
|
}
|
|
else if (strcmp(ft2232_layout, "signalyzer") == 0)
|
|
{
|
|
nTRST = 0x10;
|
|
nTRSTnOE = 0x10;
|
|
nSRST = 0x20;
|
|
nSRSTnOE = 0x20;
|
|
}
|
|
else if (strcmp(ft2232_layout, "evb_lm3s811") == 0)
|
|
{
|
|
nTRST = 0x0;
|
|
nTRSTnOE = 0x00;
|
|
nSRST = 0x20;
|
|
nSRSTnOE = 0x20;
|
|
low_output = 0x88;
|
|
low_direction = 0x8b;
|
|
}
|
|
else
|
|
{
|
|
LOG_ERROR("BUG: usbjtag_init called for unknown layout '%s'", ft2232_layout);
|
|
return ERROR_JTAG_INIT_FAILED;
|
|
}
|
|
|
|
if (jtag_reset_config & RESET_TRST_OPEN_DRAIN)
|
|
{
|
|
low_direction &= ~nTRSTnOE; /* nTRST input */
|
|
low_output &= ~nTRST; /* nTRST = 0 */
|
|
}
|
|
else
|
|
{
|
|
low_direction |= nTRSTnOE; /* nTRST output */
|
|
low_output |= nTRST; /* nTRST = 1 */
|
|
}
|
|
|
|
if (jtag_reset_config & RESET_SRST_PUSH_PULL)
|
|
{
|
|
low_direction |= nSRSTnOE; /* nSRST output */
|
|
low_output |= nSRST; /* nSRST = 1 */
|
|
}
|
|
else
|
|
{
|
|
low_direction &= ~nSRSTnOE; /* nSRST input */
|
|
low_output &= ~nSRST; /* nSRST = 0 */
|
|
}
|
|
|
|
/* initialize low byte for jtag */
|
|
buf[0] = 0x80; /* command "set data bits low byte" */
|
|
buf[1] = low_output; /* value (TMS=1,TCK=0, TDI=0, xRST high) */
|
|
buf[2] = low_direction; /* dir (output=1), TCK/TDI/TMS=out, TDO=in */
|
|
LOG_DEBUG("%2.2x %2.2x %2.2x", buf[0], buf[1], buf[2]);
|
|
|
|
if (((ft2232_write(buf, 3, &bytes_written)) != ERROR_OK) || (bytes_written != 3))
|
|
{
|
|
LOG_ERROR("couldn't initialize FT2232 with 'USBJTAG' layout");
|
|
return ERROR_JTAG_INIT_FAILED;
|
|
}
|
|
|
|
return ERROR_OK;
|
|
}
|
|
|
|
int jtagkey_init(void)
|
|
{
|
|
u8 buf[3];
|
|
u32 bytes_written;
|
|
|
|
low_output = 0x08;
|
|
low_direction = 0x1b;
|
|
|
|
/* initialize low byte for jtag */
|
|
buf[0] = 0x80; /* command "set data bits low byte" */
|
|
buf[1] = low_output; /* value (TMS=1,TCK=0, TDI=0, nOE=0) */
|
|
buf[2] = low_direction; /* dir (output=1), TCK/TDI/TMS=out, TDO=in, nOE=out */
|
|
LOG_DEBUG("%2.2x %2.2x %2.2x", buf[0], buf[1], buf[2]);
|
|
|
|
if (((ft2232_write(buf, 3, &bytes_written)) != ERROR_OK) || (bytes_written != 3))
|
|
{
|
|
LOG_ERROR("couldn't initialize FT2232 with 'JTAGkey' layout");
|
|
return ERROR_JTAG_INIT_FAILED;
|
|
}
|
|
|
|
if (strcmp(layout->name, "jtagkey") == 0)
|
|
{
|
|
nTRST = 0x01;
|
|
nTRSTnOE = 0x4;
|
|
nSRST = 0x02;
|
|
nSRSTnOE = 0x08;
|
|
}
|
|
else if ((strcmp(layout->name, "jtagkey_prototype_v1") == 0) ||
|
|
(strcmp(layout->name, "oocdlink") == 0))
|
|
{
|
|
nTRST = 0x02;
|
|
nTRSTnOE = 0x1;
|
|
nSRST = 0x08;
|
|
nSRSTnOE = 0x04;
|
|
}
|
|
else
|
|
{
|
|
LOG_ERROR("BUG: jtagkey_init called for non jtagkey layout");
|
|
exit(-1);
|
|
}
|
|
|
|
high_output = 0x0;
|
|
high_direction = 0x0f;
|
|
|
|
if (jtag_reset_config & RESET_TRST_OPEN_DRAIN)
|
|
{
|
|
high_output |= nTRSTnOE;
|
|
high_output &= ~nTRST;
|
|
}
|
|
else
|
|
{
|
|
high_output &= ~nTRSTnOE;
|
|
high_output |= nTRST;
|
|
}
|
|
|
|
if (jtag_reset_config & RESET_SRST_PUSH_PULL)
|
|
{
|
|
high_output &= ~nSRSTnOE;
|
|
high_output |= nSRST;
|
|
}
|
|
else
|
|
{
|
|
high_output |= nSRSTnOE;
|
|
high_output &= ~nSRST;
|
|
}
|
|
|
|
/* initialize high port */
|
|
buf[0] = 0x82; /* command "set data bits high byte" */
|
|
buf[1] = high_output; /* value */
|
|
buf[2] = high_direction; /* all outputs (xRST and xRSTnOE) */
|
|
LOG_DEBUG("%2.2x %2.2x %2.2x", buf[0], buf[1], buf[2]);
|
|
|
|
if (((ft2232_write(buf, 3, &bytes_written)) != ERROR_OK) || (bytes_written != 3))
|
|
{
|
|
LOG_ERROR("couldn't initialize FT2232 with 'JTAGkey' layout");
|
|
return ERROR_JTAG_INIT_FAILED;
|
|
}
|
|
|
|
return ERROR_OK;
|
|
}
|
|
|
|
int olimex_jtag_init(void)
|
|
{
|
|
u8 buf[3];
|
|
u32 bytes_written;
|
|
|
|
low_output = 0x08;
|
|
low_direction = 0x1b;
|
|
|
|
/* initialize low byte for jtag */
|
|
buf[0] = 0x80; /* command "set data bits low byte" */
|
|
buf[1] = low_output; /* value (TMS=1,TCK=0, TDI=0, nOE=0) */
|
|
buf[2] = low_direction; /* dir (output=1), TCK/TDI/TMS=out, TDO=in, nOE=out */
|
|
LOG_DEBUG("%2.2x %2.2x %2.2x", buf[0], buf[1], buf[2]);
|
|
|
|
if (((ft2232_write(buf, 3, &bytes_written)) != ERROR_OK) || (bytes_written != 3))
|
|
{
|
|
LOG_ERROR("couldn't initialize FT2232 with 'JTAGkey' layout");
|
|
return ERROR_JTAG_INIT_FAILED;
|
|
}
|
|
|
|
nTRST = 0x01;
|
|
nTRSTnOE = 0x4;
|
|
nSRST = 0x02;
|
|
nSRSTnOE = 0x00; /* no output enable for nSRST */
|
|
|
|
high_output = 0x0;
|
|
high_direction = 0x0f;
|
|
|
|
if (jtag_reset_config & RESET_TRST_OPEN_DRAIN)
|
|
{
|
|
high_output |= nTRSTnOE;
|
|
high_output &= ~nTRST;
|
|
}
|
|
else
|
|
{
|
|
high_output &= ~nTRSTnOE;
|
|
high_output |= nTRST;
|
|
}
|
|
|
|
if (jtag_reset_config & RESET_SRST_PUSH_PULL)
|
|
{
|
|
LOG_ERROR("can't set nSRST to push-pull on the Olimex ARM-USB-OCD");
|
|
}
|
|
else
|
|
{
|
|
high_output &= ~nSRST;
|
|
}
|
|
|
|
/* turn red LED on */
|
|
high_output |= 0x08;
|
|
|
|
/* initialize high port */
|
|
buf[0] = 0x82; /* command "set data bits high byte" */
|
|
buf[1] = high_output; /* value */
|
|
buf[2] = high_direction; /* all outputs (xRST and xRSTnOE) */
|
|
LOG_DEBUG("%2.2x %2.2x %2.2x", buf[0], buf[1], buf[2]);
|
|
|
|
if (((ft2232_write(buf, 3, &bytes_written)) != ERROR_OK) || (bytes_written != 3))
|
|
{
|
|
LOG_ERROR("couldn't initialize FT2232 with 'JTAGkey' layout");
|
|
return ERROR_JTAG_INIT_FAILED;
|
|
}
|
|
|
|
return ERROR_OK;
|
|
}
|
|
|
|
int flyswatter_init(void)
|
|
{
|
|
u8 buf[3];
|
|
u32 bytes_written;
|
|
|
|
low_output = 0x18;
|
|
low_direction = 0xfb;
|
|
|
|
/* initialize low byte for jtag */
|
|
buf[0] = 0x80; /* command "set data bits low byte" */
|
|
buf[1] = low_output; /* value (TMS=1,TCK=0, TDI=0, nOE=0) */
|
|
buf[2] = low_direction; /* dir (output=1), TCK/TDI/TMS=out, TDO=in, nOE[12]=out, n[ST]srst=out */
|
|
LOG_DEBUG("%2.2x %2.2x %2.2x", buf[0], buf[1], buf[2]);
|
|
|
|
if (((ft2232_write(buf, 3, &bytes_written)) != ERROR_OK) || (bytes_written != 3))
|
|
{
|
|
LOG_ERROR("couldn't initialize FT2232 with 'flyswatter' layout");
|
|
return ERROR_JTAG_INIT_FAILED;
|
|
}
|
|
|
|
nTRST = 0x10;
|
|
nTRSTnOE = 0x0; /* not output enable for nTRST */
|
|
nSRST = 0x20;
|
|
nSRSTnOE = 0x00; /* no output enable for nSRST */
|
|
|
|
high_output = 0x00;
|
|
high_direction = 0x0c;
|
|
|
|
/* turn red LED1 on, LED2 off */
|
|
high_output |= 0x08;
|
|
|
|
/* initialize high port */
|
|
buf[0] = 0x82; /* command "set data bits high byte" */
|
|
buf[1] = high_output; /* value */
|
|
buf[2] = high_direction; /* all outputs (xRST and xRSTnOE) */
|
|
LOG_DEBUG("%2.2x %2.2x %2.2x", buf[0], buf[1], buf[2]);
|
|
|
|
if (((ft2232_write(buf, 3, &bytes_written)) != ERROR_OK) || (bytes_written != 3))
|
|
{
|
|
LOG_ERROR("couldn't initialize FT2232 with 'flyswatter' layout");
|
|
return ERROR_JTAG_INIT_FAILED;
|
|
}
|
|
|
|
return ERROR_OK;
|
|
}
|
|
|
|
int turtle_init(void)
|
|
{
|
|
u8 buf[3];
|
|
u32 bytes_written;
|
|
|
|
low_output = 0x08;
|
|
low_direction = 0x5b;
|
|
|
|
/* initialize low byte for jtag */
|
|
buf[0] = 0x80; /* command "set data bits low byte" */
|
|
buf[1] = low_output; /* value (TMS=1,TCK=0, TDI=0, nOE=0) */
|
|
buf[2] = low_direction; /* dir (output=1), TCK/TDI/TMS=out, TDO=in, nOE=out */
|
|
LOG_DEBUG("%2.2x %2.2x %2.2x", buf[0], buf[1], buf[2]);
|
|
|
|
if (((ft2232_write(buf, 3, &bytes_written)) != ERROR_OK) || (bytes_written != 3))
|
|
{
|
|
LOG_ERROR("couldn't initialize FT2232 with 'turtelizer2' layout");
|
|
return ERROR_JTAG_INIT_FAILED;
|
|
}
|
|
|
|
nSRST = 0x40;
|
|
|
|
high_output = 0x00;
|
|
high_direction = 0x0C;
|
|
|
|
/* initialize high port */
|
|
buf[0] = 0x82; /* command "set data bits high byte" */
|
|
buf[1] = high_output;
|
|
buf[2] = high_direction;
|
|
LOG_DEBUG("%2.2x %2.2x %2.2x", buf[0], buf[1], buf[2]);
|
|
|
|
if (((ft2232_write(buf, 3, &bytes_written)) != ERROR_OK) || (bytes_written != 3))
|
|
{
|
|
LOG_ERROR("couldn't initialize FT2232 with 'turtelizer2' layout");
|
|
return ERROR_JTAG_INIT_FAILED;
|
|
}
|
|
|
|
return ERROR_OK;
|
|
}
|
|
|
|
int comstick_init(void)
|
|
{
|
|
u8 buf[3];
|
|
u32 bytes_written;
|
|
|
|
low_output = 0x08;
|
|
low_direction = 0x0b;
|
|
|
|
/* initialize low byte for jtag */
|
|
buf[0] = 0x80; /* command "set data bits low byte" */
|
|
buf[1] = low_output; /* value (TMS=1,TCK=0, TDI=0, nOE=0) */
|
|
buf[2] = low_direction; /* dir (output=1), TCK/TDI/TMS=out, TDO=in, nOE=out */
|
|
LOG_DEBUG("%2.2x %2.2x %2.2x", buf[0], buf[1], buf[2]);
|
|
|
|
if (((ft2232_write(buf, 3, &bytes_written)) != ERROR_OK) || (bytes_written != 3))
|
|
{
|
|
LOG_ERROR("couldn't initialize FT2232 with 'comstick' layout");
|
|
return ERROR_JTAG_INIT_FAILED;
|
|
}
|
|
|
|
nTRST = 0x01;
|
|
nTRSTnOE = 0x00; /* no output enable for nTRST */
|
|
nSRST = 0x02;
|
|
nSRSTnOE = 0x00; /* no output enable for nSRST */
|
|
|
|
high_output = 0x03;
|
|
high_direction = 0x03;
|
|
|
|
/* initialize high port */
|
|
buf[0] = 0x82; /* command "set data bits high byte" */
|
|
buf[1] = high_output;
|
|
buf[2] = high_direction;
|
|
LOG_DEBUG("%2.2x %2.2x %2.2x", buf[0], buf[1], buf[2]);
|
|
|
|
if (((ft2232_write(buf, 3, &bytes_written)) != ERROR_OK) || (bytes_written != 3))
|
|
{
|
|
LOG_ERROR("couldn't initialize FT2232 with 'comstick' layout");
|
|
return ERROR_JTAG_INIT_FAILED;
|
|
}
|
|
|
|
return ERROR_OK;
|
|
}
|
|
|
|
int stm32stick_init(void)
|
|
{
|
|
u8 buf[3];
|
|
u32 bytes_written;
|
|
|
|
low_output = 0x88;
|
|
low_direction = 0x8b;
|
|
|
|
/* initialize low byte for jtag */
|
|
buf[0] = 0x80; /* command "set data bits low byte" */
|
|
buf[1] = low_output; /* value (TMS=1,TCK=0, TDI=0, nOE=0) */
|
|
buf[2] = low_direction; /* dir (output=1), TCK/TDI/TMS=out, TDO=in, nOE=out */
|
|
LOG_DEBUG("%2.2x %2.2x %2.2x", buf[0], buf[1], buf[2]);
|
|
|
|
if (((ft2232_write(buf, 3, &bytes_written)) != ERROR_OK) || (bytes_written != 3))
|
|
{
|
|
LOG_ERROR("couldn't initialize FT2232 with 'stm32stick' layout");
|
|
return ERROR_JTAG_INIT_FAILED;
|
|
}
|
|
|
|
nTRST = 0x01;
|
|
nTRSTnOE = 0x00; /* no output enable for nTRST */
|
|
nSRST = 0x80;
|
|
nSRSTnOE = 0x00; /* no output enable for nSRST */
|
|
|
|
high_output = 0x01;
|
|
high_direction = 0x03;
|
|
|
|
/* initialize high port */
|
|
buf[0] = 0x82; /* command "set data bits high byte" */
|
|
buf[1] = high_output;
|
|
buf[2] = high_direction;
|
|
LOG_DEBUG("%2.2x %2.2x %2.2x", buf[0], buf[1], buf[2]);
|
|
|
|
if (((ft2232_write(buf, 3, &bytes_written)) != ERROR_OK) || (bytes_written != 3))
|
|
{
|
|
LOG_ERROR("couldn't initialize FT2232 with 'stm32stick' layout");
|
|
return ERROR_JTAG_INIT_FAILED;
|
|
}
|
|
|
|
return ERROR_OK;
|
|
}
|
|
|
|
void olimex_jtag_blink(void)
|
|
{
|
|
/* Olimex ARM-USB-OCD has a LED connected to ACBUS3
|
|
* ACBUS3 is bit 3 of the GPIOH port
|
|
*/
|
|
if (high_output & 0x08)
|
|
{
|
|
/* set port pin high */
|
|
high_output &= 0x07;
|
|
}
|
|
else
|
|
{
|
|
/* set port pin low */
|
|
high_output |= 0x08;
|
|
}
|
|
|
|
BUFFER_ADD = 0x82;
|
|
BUFFER_ADD = high_output;
|
|
BUFFER_ADD = high_direction;
|
|
}
|
|
|
|
void turtle_jtag_blink(void)
|
|
{
|
|
/*
|
|
* Turtelizer2 has two LEDs connected to ACBUS2 and ACBUS3
|
|
*/
|
|
if (high_output & 0x08)
|
|
{
|
|
high_output = 0x04;
|
|
}
|
|
else
|
|
{
|
|
high_output = 0x08;
|
|
}
|
|
|
|
BUFFER_ADD = 0x82;
|
|
BUFFER_ADD = high_output;
|
|
BUFFER_ADD = high_direction;
|
|
}
|
|
|
|
|
|
int ft2232_quit(void)
|
|
{
|
|
#if BUILD_FT2232_FTD2XX == 1
|
|
FT_STATUS status;
|
|
|
|
status = FT_Close(ftdih);
|
|
#elif BUILD_FT2232_LIBFTDI == 1
|
|
ftdi_disable_bitbang(&ftdic);
|
|
|
|
ftdi_usb_close(&ftdic);
|
|
|
|
ftdi_deinit(&ftdic);
|
|
#endif
|
|
|
|
free(ft2232_buffer);
|
|
ft2232_buffer = NULL;
|
|
|
|
return ERROR_OK;
|
|
}
|
|
|
|
int ft2232_handle_device_desc_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
|
|
{
|
|
if (argc == 1)
|
|
{
|
|
ft2232_device_desc = strdup(args[0]);
|
|
}
|
|
else
|
|
{
|
|
LOG_ERROR("expected exactly one argument to ft2232_device_desc <description>");
|
|
}
|
|
|
|
return ERROR_OK;
|
|
}
|
|
|
|
int ft2232_handle_serial_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
|
|
{
|
|
if (argc == 1)
|
|
{
|
|
ft2232_serial = strdup(args[0]);
|
|
}
|
|
else
|
|
{
|
|
LOG_ERROR("expected exactly one argument to ft2232_serial <serial-number>");
|
|
}
|
|
|
|
return ERROR_OK;
|
|
}
|
|
|
|
int ft2232_handle_layout_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
|
|
{
|
|
if (argc == 0)
|
|
return ERROR_OK;
|
|
|
|
ft2232_layout = malloc(strlen(args[0]) + 1);
|
|
strcpy(ft2232_layout, args[0]);
|
|
|
|
return ERROR_OK;
|
|
}
|
|
|
|
int ft2232_handle_vid_pid_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
|
|
{
|
|
int i;
|
|
|
|
if (argc > MAX_USB_IDS*2) {
|
|
LOG_WARNING("ignoring extra IDs in ft2232_vid_pid "
|
|
"(maximum is %d pairs)", MAX_USB_IDS);
|
|
argc = MAX_USB_IDS*2;
|
|
}
|
|
if (argc < 2 || (argc & 1))
|
|
{
|
|
LOG_WARNING("incomplete ft2232_vid_pid configuration directive");
|
|
if (argc < 2)
|
|
return ERROR_OK;
|
|
}
|
|
|
|
for (i = 0; i+1 < argc; i += 2) {
|
|
ft2232_vid[i >> 1] = strtol(args[i], NULL, 0);
|
|
ft2232_pid[i >> 1] = strtol(args[i+1], NULL, 0);
|
|
}
|
|
/*
|
|
* Explicitly terminate, in case there are multiples instances of
|
|
* ft2232_vid_pid.
|
|
*/
|
|
ft2232_vid[i >> 1] = ft2232_pid[i >> 1] = 0;
|
|
|
|
return ERROR_OK;
|
|
}
|
|
|
|
int ft2232_handle_latency_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
|
|
{
|
|
if (argc == 1)
|
|
{
|
|
ft2232_latency = atoi(args[0]);
|
|
}
|
|
else
|
|
{
|
|
LOG_ERROR("expected exactly one argument to ft2232_latency <ms>");
|
|
}
|
|
|
|
return ERROR_OK;
|
|
}
|
|
|
|
|