-/***************************************************************************
- * Copyright (C) 2006 by Dominic Rath *
- * Dominic.Rath@gmx.de *
- * *
- * This program is free software; you can redistribute it and/or modify *
- * it under the terms of the GNU General Public License as published by *
- * the Free Software Foundation; either version 2 of the License, or *
- * (at your option) any later version. *
- * *
- * This program is distributed in the hope that it will be useful, *
- * but WITHOUT ANY WARRANTY; without even the implied warranty of *
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
- * GNU General Public License for more details. *
- * *
- * You should have received a copy of the GNU General Public License *
- * along with this program; if not, write to the *
- * Free Software Foundation, Inc., *
- * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *
- ***************************************************************************/
-#ifdef HAVE_CONFIG_H
-#include "config.h"
-#endif
-
-#include "replacements.h"
-
-#include "jtag.h"
-
-#if 1
-#define _DEBUG_GW16012_IO_
-#endif
-
-/* system includes */
-// -ino: 060521-1036
-#if defined(__FreeBSD__) || defined(__FreeBSD_kernel__)
-
-#include <sys/types.h>
-#include <machine/sysarch.h>
-#include <machine/cpufunc.h>
-#define ioperm(startport,length,enable)\
- i386_set_ioperm((startport), (length), (enable))
-
-#else
-
-#ifdef _WIN32
-#include "errno.h"
-#endif /* _WIN32 */
-
-#endif /* __FreeBSD__, __FreeBSD_kernel__ */
-
-#include <string.h>
-#include <stdlib.h>
-
-#include <sys/time.h>
-#include <time.h>
-
-#if PARPORT_USE_PPDEV == 1
-#if defined(__FreeBSD__) || defined(__FreeBSD_kernel__)
-#include <dev/ppbus/ppi.h>
-#include <dev/ppbus/ppbconf.h>
-#define PPRSTATUS PPIGSTATUS
-#define PPWDATA PPISDATA
-#else
-#include <linux/parport.h>
-#include <linux/ppdev.h>
-#endif
-#include <fcntl.h>
-#include <sys/ioctl.h>
-#else /* not PARPORT_USE_PPDEV */
-#ifndef _WIN32
-#include <sys/io.h>
-#endif
-#endif
-
-#if PARPORT_USE_GIVEIO == 1
-#if IS_CYGWIN == 1
-#include <windows.h>
-#include <errno.h>
-#undef ERROR
-#endif
-#endif
-
-#include "log.h"
-
-/* configuration */
-unsigned long gw16012_port;
-
-/* interface variables
- */
-static u8 gw16012_msb = 0x0;
-static u8 gw16012_control_value = 0x0;
-
-#if PARPORT_USE_PPDEV == 1
-static int device_handle;
-#endif
-
-int gw16012_execute_queue(void);
-int gw16012_register_commands(struct command_context_s *cmd_ctx);
-int gw16012_speed(int speed);
-int gw16012_init(void);
-int gw16012_quit(void);
-
-int gw16012_handle_parport_port_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
-
-jtag_interface_t gw16012_interface =
-{
- .name = "gw16012",
-
- .execute_queue = gw16012_execute_queue,
-
- .speed = gw16012_speed,
- .register_commands = gw16012_register_commands,
- .init = gw16012_init,
- .quit = gw16012_quit,
-};
-
-int gw16012_register_commands(struct command_context_s *cmd_ctx)
-{
- register_command(cmd_ctx, NULL, "parport_port", gw16012_handle_parport_port_command,
- COMMAND_CONFIG, NULL);
-
- return ERROR_OK;
-}
-
-void gw16012_data(u8 value)
-{
- value = (value & 0x7f) | gw16012_msb;
- gw16012_msb ^= 0x80; /* toggle MSB */
-
-#ifdef _DEBUG_GW16012_IO_
- DEBUG("%2.2x", value);
-#endif
-
- #if PARPORT_USE_PPDEV == 1
- ioctl(device_handle, PPWDATA, &value);
- #else
- #if defined(__FreeBSD__) || defined(__FreeBSD_kernel__)
- outb(gw16012_port, value);
- #else
- outb(value, gw16012_port);
- #endif
- #endif
-}
-
-void gw16012_control(u8 value)
-{
- if (value != gw16012_control_value)
- {
- gw16012_control_value = value;
-
-#ifdef _DEBUG_GW16012_IO_
- DEBUG("%2.2x", gw16012_control_value);
-#endif
-
- #if PARPORT_USE_PPDEV == 1
- ioctl(device_handle, PPWCONTROL, &gw16012_control_value);
- #else
- #if defined(__FreeBSD__) || defined(__FreeBSD_kernel__)
- outb(gw16012_port + 2, gw16012_control_value);
- #else
- outb(gw16012_control_value, gw16012_port + 2);
- #endif
- #endif
- }
-}
-
-void gw16012_input(u8 *value)
-{
- #if PARPORT_USE_PPDEV == 1
- ioctl(device_handle, PPRSTATUS, value);
- #else
- *value = inb(gw16012_port + 1);
- #endif
-
-#ifdef _DEBUG_GW16012_IO_
- DEBUG("%2.2x", *value);
-#endif
-}
-
-/* (1) assert or (0) deassert reset lines */
-void gw16012_reset(int trst, int srst)
-{
- DEBUG("trst: %i, srst: %i", trst, srst);
-
- if (trst == 0)
- gw16012_control(0x0d);
- else if (trst == 1)
- gw16012_control(0x0c);
-
- if (srst == 0)
- gw16012_control(0x0a);
- else if (srst == 1)
- gw16012_control(0x0b);
-}
-
-int gw16012_speed(int speed)
-{
-
- return ERROR_OK;
-}
-
-void gw16012_end_state(state)
-{
- if (tap_move_map[state] != -1)
- end_state = state;
- else
- {
- ERROR("BUG: %i is not a valid end state", state);
- exit(-1);
- }
-}
-
-void gw16012_state_move(void)
-{
- int i=0, tms=0;
- u8 tms_scan = TAP_MOVE(cur_state, end_state);
-
- gw16012_control(0x0); /* single-bit mode */
-
- for (i = 0; i < 7; i++)
- {
- tms = (tms_scan >> i) & 1;
- gw16012_data(tms << 1); /* output next TMS bit */
- }
-
- cur_state = end_state;
-}
-
-void gw16012_path_move(pathmove_command_t *cmd)
-{
- int num_states = cmd->num_states;
- int state_count;
-
- state_count = 0;
- while (num_states)
- {
- gw16012_control(0x0); /* single-bit mode */
- if (tap_transitions[cur_state].low == cmd->path[state_count])
- {
- gw16012_data(0x0); /* TCK cycle with TMS low */
- }
- else if (tap_transitions[cur_state].high == cmd->path[state_count])
- {
- gw16012_data(0x2); /* TCK cycle with TMS high */
- }
- else
- {
- ERROR("BUG: %s -> %s isn't a valid TAP transition", tap_state_strings[cur_state], tap_state_strings[cmd->path[state_count]]);
- exit(-1);
- }
-
- cur_state = cmd->path[state_count];
- state_count++;
- num_states--;
- }
-
- end_state = cur_state;
-}
-
-void gw16012_runtest(int num_cycles)
-{
- enum tap_state saved_end_state = end_state;
- int i;
-
- /* only do a state_move when we're not already in RTI */
- if (cur_state != TAP_RTI)
- {
- gw16012_end_state(TAP_RTI);
- gw16012_state_move();
- }
-
- for (i = 0; i < num_cycles; i++)
- {
- gw16012_control(0x0); /* single-bit mode */
- gw16012_data(0x0); /* TMS cycle with TMS low */
- }
-
- gw16012_end_state(saved_end_state);
- if (cur_state != end_state)
- gw16012_state_move();
-}
-
-void gw16012_scan(int ir_scan, enum scan_type type, u8 *buffer, int scan_size)
-{
- int bits_left = scan_size;
- int bit_count = 0;
- enum tap_state saved_end_state = end_state;
- u8 scan_out, scan_in;
-
- /* only if we're not already in the correct Shift state */
- if (!((!ir_scan && (cur_state == TAP_SD)) || (ir_scan && (cur_state == TAP_SI))))
- {
- if (ir_scan)
- gw16012_end_state(TAP_SI);
- else
- gw16012_end_state(TAP_SD);
-
- gw16012_state_move();
- gw16012_end_state(saved_end_state);
- }
-
- while (type == SCAN_OUT && ((bits_left - 1) > 7))
- {
- gw16012_control(0x2); /* seven-bit mode */
- scan_out = buf_get_u32(buffer, bit_count, 7);
- gw16012_data(scan_out);
- bit_count += 7;
- bits_left -= 7;
- }
-
- gw16012_control(0x0); /* single-bit mode */
- while (bits_left-- > 0)
- {
- u8 tms = 0;
-
- scan_out = buf_get_u32(buffer, bit_count, 1);
-
- if (bits_left == 0) /* last bit */
- {
- if ((ir_scan && (end_state == TAP_SI))
- || (!ir_scan && (end_state == TAP_SD)))
- {
- tms = 0;
- }
- else
- {
- tms = 2;
- }
- }
-
- gw16012_data(scan_out | tms);
-
- if (type != SCAN_OUT)
- {
- gw16012_input(&scan_in);
- buf_set_u32(buffer, bit_count, 1, ((scan_in & 0x08) >> 3));
- }
-
- bit_count++;
- }
-
- if (!((ir_scan && (end_state == TAP_SI)) ||
- (!ir_scan && (end_state == TAP_SD))))
- {
- gw16012_data(0x0);
- if (ir_scan)
- cur_state = TAP_PI;
- else
- cur_state = TAP_PD;
-
- if (cur_state != end_state)
- gw16012_state_move();
- }
-}
-
-int gw16012_execute_queue(void)
-{
- jtag_command_t *cmd = jtag_command_queue; /* currently processed command */
- int scan_size;
- enum scan_type type;
- u8 *buffer;
- int retval;
-
- /* return ERROR_OK, unless a jtag_read_buffer returns a failed check
- * that wasn't handled by a caller-provided error handler
- */
- retval = ERROR_OK;
-
- while (cmd)
- {
- switch (cmd->type)
- {
- case JTAG_END_STATE:
-#ifdef _DEBUG_JTAG_IO_
- DEBUG("end_state: %i", cmd->cmd.end_state->end_state);
-#endif
- if (cmd->cmd.end_state->end_state != -1)
- gw16012_end_state(cmd->cmd.end_state->end_state);
- break;
- case JTAG_RESET:
-#ifdef _DEBUG_JTAG_IO_
- DEBUG("reset trst: %i srst %i", cmd->cmd.reset->trst, cmd->cmd.reset->srst);
-#endif
- if (cmd->cmd.reset->trst == 1)
- {
- cur_state = TAP_TLR;
- }
- gw16012_reset(cmd->cmd.reset->trst, cmd->cmd.reset->srst);
- break;
- case JTAG_RUNTEST:
-#ifdef _DEBUG_JTAG_IO_
- DEBUG("runtest %i cycles, end in %i", cmd->cmd.runtest->num_cycles, cmd->cmd.runtest->end_state);
-#endif
- if (cmd->cmd.runtest->end_state != -1)
- gw16012_end_state(cmd->cmd.runtest->end_state);
- gw16012_runtest(cmd->cmd.runtest->num_cycles);
- break;
- case JTAG_STATEMOVE:
-#ifdef _DEBUG_JTAG_IO_
- DEBUG("statemove end in %i", cmd->cmd.statemove->end_state);
-#endif
- if (cmd->cmd.statemove->end_state != -1)
- gw16012_end_state(cmd->cmd.statemove->end_state);
- gw16012_state_move();
- break;
- case JTAG_PATHMOVE:
-#ifdef _DEBUG_JTAG_IO_
- DEBUG("pathmove: %i states, end in %i", cmd->cmd.pathmove->num_states, cmd->cmd.pathmove->path[cmd->cmd.pathmove->num_states - 1]);
-#endif
- gw16012_path_move(cmd->cmd.pathmove);
- break;
- case JTAG_SCAN:
- if (cmd->cmd.scan->end_state != -1)
- gw16012_end_state(cmd->cmd.scan->end_state);
- scan_size = jtag_build_buffer(cmd->cmd.scan, &buffer);
- type = jtag_scan_type(cmd->cmd.scan);
-#ifdef _DEBUG_JTAG_IO_
- DEBUG("%s scan (%i) %i bit end in %i", (cmd->cmd.scan->ir_scan) ? "ir" : "dr",
- type, scan_size, cmd->cmd.scan->end_state);
-#endif
- gw16012_scan(cmd->cmd.scan->ir_scan, type, buffer, scan_size);
- if (jtag_read_buffer(buffer, cmd->cmd.scan) != ERROR_OK)
- retval = ERROR_JTAG_QUEUE_FAILED;
- if (buffer)
- free(buffer);
- break;
- case JTAG_SLEEP:
-#ifdef _DEBUG_JTAG_IO_
- DEBUG("sleep %i", cmd->cmd.sleep->us);
-#endif
- jtag_sleep(cmd->cmd.sleep->us);
- break;
- default:
- ERROR("BUG: unknown JTAG command type encountered");
- exit(-1);
- }
- cmd = cmd->next;
- }
-
- return retval;
-}
-
-#if PARPORT_USE_GIVEIO == 1
-int gw16012_get_giveio_access()
-{
- HANDLE h;
- OSVERSIONINFO version;
-
- version.dwOSVersionInfoSize = sizeof version;
- if (!GetVersionEx( &version )) {
- errno = EINVAL;
- return -1;
- }
- if (version.dwPlatformId != VER_PLATFORM_WIN32_NT)
- return 0;
-
- h = CreateFile( "\\\\.\\giveio", GENERIC_READ, 0, NULL, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, NULL );
- if (h == INVALID_HANDLE_VALUE) {
- errno = ENODEV;
- return -1;
- }
-
- CloseHandle( h );
-
- return 0;
-}
-#endif
-
-int gw16012_init(void)
-{
-#if PARPORT_USE_PPDEV == 1
- char buffer[256];
- int i = 0;
- u8 control_port;
-#endif
- u8 status_port;
-
-#if PARPORT_USE_PPDEV == 1
- if (device_handle>0)
- {
- ERROR("device is already opened");
- return ERROR_JTAG_INIT_FAILED;
- }
-
-#if defined(__FreeBSD__) || defined(__FreeBSD_kernel__)
- DEBUG("opening /dev/ppi%d...", gw16012_port);
-
- snprintf(buffer, 256, "/dev/ppi%d", gw16012_port);
- device_handle = open(buffer, O_WRONLY);
-#else
- DEBUG("opening /dev/parport%d...", gw16012_port);
-
- snprintf(buffer, 256, "/dev/parport%d", gw16012_port);
- device_handle = open(buffer, O_WRONLY);
-#endif
- if (device_handle<0)
- {
- ERROR("cannot open device. check it exists and that user read and write rights are set");
- return ERROR_JTAG_INIT_FAILED;
- }
-
- DEBUG("...open");
-
-#if defined(__FreeBSD__) || defined(__FreeBSD_kernel__)
- i=ioctl(device_handle, PPCLAIM);
- if (i<0)
- {
- ERROR("cannot claim device");
- return ERROR_JTAG_INIT_FAILED;
- }
-
- i = PARPORT_MODE_COMPAT;
- i= ioctl(device_handle, PPSETMODE, & i);
- if (i<0)
- {
- ERROR(" cannot set compatible mode to device");
- return ERROR_JTAG_INIT_FAILED;
- }
-
- i = IEEE1284_MODE_COMPAT;
- i = ioctl(device_handle, PPNEGOT, & i);
- if (i<0)
- {
- ERROR("cannot set compatible 1284 mode to device");
- return ERROR_JTAG_INIT_FAILED;
- }
-#endif
-#else
- if (gw16012_port == 0)
- {
- gw16012_port = 0x378;
- WARNING("No gw16012 port specified, using default '0x378' (LPT1)");
- }
-
- DEBUG("requesting privileges for parallel port 0x%lx...", gw16012_port);
-#if PARPORT_USE_GIVEIO == 1
- if (gw16012_get_giveio_access() != 0)
-#else /* PARPORT_USE_GIVEIO */
- if (ioperm(gw16012_port, 3, 1) != 0)
-#endif /* PARPORT_USE_GIVEIO */
- {
- ERROR("missing privileges for direct i/o");
- return ERROR_JTAG_INIT_FAILED;
- }
- DEBUG("...privileges granted");
-
- /* make sure parallel port is in right mode (clear tristate and interrupt */
-#if defined(__FreeBSD__) || defined(__FreeBSD_kernel__)
- outb(gw16012_port + 2, 0x0);
-#else
- outb(0x0, gw16012_port + 2);
-#endif
-#endif /* PARPORT_USE_PPDEV */
-
- gw16012_input(&status_port);
- gw16012_msb = (status_port & 0x80) ^ 0x80;
-
- gw16012_speed(jtag_speed);
- gw16012_reset(0, 0);
-
- return ERROR_OK;
-}
-
-int gw16012_quit(void)
-{
-
- return ERROR_OK;
-}
-
-int gw16012_handle_parport_port_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
-{
- if (argc == 0)
- return ERROR_OK;
-
- /* only if the port wasn't overwritten by cmdline */
- if (gw16012_port == 0)
- gw16012_port = strtoul(args[0], NULL, 0);
-
- return ERROR_OK;
-}
+/***************************************************************************\r
+ * Copyright (C) 2006 by Dominic Rath *\r
+ * Dominic.Rath@gmx.de *\r
+ * *\r
+ * This program is free software; you can redistribute it and/or modify *\r
+ * it under the terms of the GNU General Public License as published by *\r
+ * the Free Software Foundation; either version 2 of the License, or *\r
+ * (at your option) any later version. *\r
+ * *\r
+ * This program is distributed in the hope that it will be useful, *\r
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of *\r
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *\r
+ * GNU General Public License for more details. *\r
+ * *\r
+ * You should have received a copy of the GNU General Public License *\r
+ * along with this program; if not, write to the *\r
+ * Free Software Foundation, Inc., *\r
+ * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *\r
+ ***************************************************************************/\r
+#ifdef HAVE_CONFIG_H\r
+#include "config.h"\r
+#endif\r
+\r
+#include "replacements.h"\r
+\r
+#include "jtag.h"\r
+\r
+#if 1\r
+#define _DEBUG_GW16012_IO_\r
+#endif\r
+\r
+/* system includes */\r
+// -ino: 060521-1036\r
+#if defined(__FreeBSD__) || defined(__FreeBSD_kernel__)\r
+\r
+#include <sys/types.h>\r
+#include <machine/sysarch.h>\r
+#include <machine/cpufunc.h>\r
+#define ioperm(startport,length,enable)\\r
+ i386_set_ioperm((startport), (length), (enable))\r
+\r
+#else\r
+\r
+#ifdef _WIN32\r
+#include "errno.h"\r
+#endif /* _WIN32 */\r
+\r
+#endif /* __FreeBSD__, __FreeBSD_kernel__ */\r
+\r
+#include <string.h>\r
+#include <stdlib.h>\r
+\r
+#include <sys/time.h>\r
+#include <time.h>\r
+\r
+#if PARPORT_USE_PPDEV == 1\r
+#if defined(__FreeBSD__) || defined(__FreeBSD_kernel__)\r
+#include <dev/ppbus/ppi.h>\r
+#include <dev/ppbus/ppbconf.h>\r
+#define PPRSTATUS PPIGSTATUS\r
+#define PPWDATA PPISDATA\r
+#else\r
+#include <linux/parport.h>\r
+#include <linux/ppdev.h>\r
+#endif\r
+#include <fcntl.h>\r
+#include <sys/ioctl.h>\r
+#else /* not PARPORT_USE_PPDEV */\r
+#ifndef _WIN32\r
+#include <sys/io.h>\r
+#endif\r
+#endif\r
+\r
+#if PARPORT_USE_GIVEIO == 1\r
+#if IS_CYGWIN == 1\r
+#include <windows.h>\r
+#include <errno.h>\r
+#undef ERROR\r
+#endif\r
+#endif\r
+\r
+#include "log.h"\r
+\r
+/* configuration */\r
+u16 gw16012_port;\r
+\r
+/* interface variables\r
+ */\r
+static u8 gw16012_msb = 0x0;\r
+static u8 gw16012_control_value = 0x0;\r
+\r
+#if PARPORT_USE_PPDEV == 1\r
+static int device_handle;\r
+#endif\r
+\r
+int gw16012_execute_queue(void);\r
+int gw16012_register_commands(struct command_context_s *cmd_ctx);\r
+int gw16012_speed(int speed);\r
+int gw16012_init(void);\r
+int gw16012_quit(void);\r
+\r
+int gw16012_handle_parport_port_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);\r
+\r
+jtag_interface_t gw16012_interface = \r
+{\r
+ .name = "gw16012",\r
+ \r
+ .execute_queue = gw16012_execute_queue,\r
+\r
+ .speed = gw16012_speed, \r
+ .register_commands = gw16012_register_commands,\r
+ .init = gw16012_init,\r
+ .quit = gw16012_quit,\r
+};\r
+\r
+int gw16012_register_commands(struct command_context_s *cmd_ctx)\r
+{\r
+ register_command(cmd_ctx, NULL, "parport_port", gw16012_handle_parport_port_command,\r
+ COMMAND_CONFIG, NULL);\r
+ \r
+ return ERROR_OK;\r
+}\r
+\r
+void gw16012_data(u8 value)\r
+{\r
+ value = (value & 0x7f) | gw16012_msb;\r
+ gw16012_msb ^= 0x80; /* toggle MSB */\r
+\r
+#ifdef _DEBUG_GW16012_IO_\r
+ DEBUG("%2.2x", value);\r
+#endif\r
+ \r
+ #if PARPORT_USE_PPDEV == 1\r
+ ioctl(device_handle, PPWDATA, &value);\r
+ #else\r
+ #if defined(__FreeBSD__) || defined(__FreeBSD_kernel__)\r
+ outb(gw16012_port, value);\r
+ #else\r
+ outb(value, gw16012_port);\r
+ #endif\r
+ #endif \r
+}\r
+\r
+void gw16012_control(u8 value)\r
+{\r
+ if (value != gw16012_control_value)\r
+ {\r
+ gw16012_control_value = value;\r
+\r
+#ifdef _DEBUG_GW16012_IO_\r
+ DEBUG("%2.2x", gw16012_control_value);\r
+#endif\r
+\r
+ #if PARPORT_USE_PPDEV == 1\r
+ ioctl(device_handle, PPWCONTROL, &gw16012_control_value);\r
+ #else\r
+ #if defined(__FreeBSD__) || defined(__FreeBSD_kernel__)\r
+ outb(gw16012_port + 2, gw16012_control_value);\r
+ #else\r
+ outb(gw16012_control_value, gw16012_port + 2);\r
+ #endif\r
+ #endif\r
+ }\r
+}\r
+\r
+void gw16012_input(u8 *value)\r
+{\r
+ #if PARPORT_USE_PPDEV == 1\r
+ ioctl(device_handle, PPRSTATUS, value);\r
+ #else\r
+ *value = inb(gw16012_port + 1);\r
+ #endif\r
+\r
+#ifdef _DEBUG_GW16012_IO_\r
+ DEBUG("%2.2x", *value);\r
+#endif\r
+}\r
+\r
+/* (1) assert or (0) deassert reset lines */\r
+void gw16012_reset(int trst, int srst)\r
+{\r
+ DEBUG("trst: %i, srst: %i", trst, srst);\r
+\r
+ if (trst == 0)\r
+ gw16012_control(0x0d);\r
+ else if (trst == 1)\r
+ gw16012_control(0x0c);\r
+\r
+ if (srst == 0)\r
+ gw16012_control(0x0a);\r
+ else if (srst == 1)\r
+ gw16012_control(0x0b);\r
+}\r
+\r
+int gw16012_speed(int speed)\r
+{\r
+\r
+ return ERROR_OK;\r
+}\r
+\r
+void gw16012_end_state(state)\r
+{\r
+ if (tap_move_map[state] != -1)\r
+ end_state = state;\r
+ else\r
+ {\r
+ ERROR("BUG: %i is not a valid end state", state);\r
+ exit(-1);\r
+ }\r
+}\r
+\r
+void gw16012_state_move(void)\r
+{\r
+ int i=0, tms=0;\r
+ u8 tms_scan = TAP_MOVE(cur_state, end_state);\r
+ \r
+ gw16012_control(0x0); /* single-bit mode */\r
+ \r
+ for (i = 0; i < 7; i++)\r
+ {\r
+ tms = (tms_scan >> i) & 1;\r
+ gw16012_data(tms << 1); /* output next TMS bit */\r
+ }\r
+ \r
+ cur_state = end_state;\r
+}\r
+\r
+void gw16012_path_move(pathmove_command_t *cmd)\r
+{\r
+ int num_states = cmd->num_states;\r
+ int state_count;\r
+\r
+ state_count = 0;\r
+ while (num_states)\r
+ {\r
+ gw16012_control(0x0); /* single-bit mode */\r
+ if (tap_transitions[cur_state].low == cmd->path[state_count])\r
+ {\r
+ gw16012_data(0x0); /* TCK cycle with TMS low */\r
+ }\r
+ else if (tap_transitions[cur_state].high == cmd->path[state_count])\r
+ {\r
+ gw16012_data(0x2); /* TCK cycle with TMS high */\r
+ }\r
+ else\r
+ {\r
+ ERROR("BUG: %s -> %s isn't a valid TAP transition", tap_state_strings[cur_state], tap_state_strings[cmd->path[state_count]]);\r
+ exit(-1);\r
+ }\r
+ \r
+ cur_state = cmd->path[state_count];\r
+ state_count++;\r
+ num_states--;\r
+ }\r
+ \r
+ end_state = cur_state;\r
+}\r
+\r
+void gw16012_runtest(int num_cycles)\r
+{\r
+ enum tap_state saved_end_state = end_state;\r
+ int i;\r
+ \r
+ /* only do a state_move when we're not already in RTI */\r
+ if (cur_state != TAP_RTI)\r
+ {\r
+ gw16012_end_state(TAP_RTI);\r
+ gw16012_state_move();\r
+ }\r
+ \r
+ for (i = 0; i < num_cycles; i++)\r
+ {\r
+ gw16012_control(0x0); /* single-bit mode */\r
+ gw16012_data(0x0); /* TMS cycle with TMS low */\r
+ }\r
+ \r
+ gw16012_end_state(saved_end_state);\r
+ if (cur_state != end_state)\r
+ gw16012_state_move();\r
+}\r
+\r
+void gw16012_scan(int ir_scan, enum scan_type type, u8 *buffer, int scan_size)\r
+{\r
+ int bits_left = scan_size;\r
+ int bit_count = 0;\r
+ enum tap_state saved_end_state = end_state;\r
+ u8 scan_out, scan_in;\r
+\r
+ /* only if we're not already in the correct Shift state */\r
+ if (!((!ir_scan && (cur_state == TAP_SD)) || (ir_scan && (cur_state == TAP_SI))))\r
+ {\r
+ if (ir_scan)\r
+ gw16012_end_state(TAP_SI);\r
+ else\r
+ gw16012_end_state(TAP_SD);\r
+\r
+ gw16012_state_move();\r
+ gw16012_end_state(saved_end_state);\r
+ }\r
+\r
+ while (type == SCAN_OUT && ((bits_left - 1) > 7))\r
+ {\r
+ gw16012_control(0x2); /* seven-bit mode */\r
+ scan_out = buf_get_u32(buffer, bit_count, 7);\r
+ gw16012_data(scan_out);\r
+ bit_count += 7;\r
+ bits_left -= 7;\r
+ }\r
+ \r
+ gw16012_control(0x0); /* single-bit mode */\r
+ while (bits_left-- > 0)\r
+ {\r
+ u8 tms = 0;\r
+ \r
+ scan_out = buf_get_u32(buffer, bit_count, 1);\r
+ \r
+ if (bits_left == 0) /* last bit */\r
+ {\r
+ if ((ir_scan && (end_state == TAP_SI))\r
+ || (!ir_scan && (end_state == TAP_SD)))\r
+ {\r
+ tms = 0; \r
+ }\r
+ else\r
+ {\r
+ tms = 2;\r
+ }\r
+ }\r
+\r
+ gw16012_data(scan_out | tms);\r
+\r
+ if (type != SCAN_OUT)\r
+ {\r
+ gw16012_input(&scan_in);\r
+ buf_set_u32(buffer, bit_count, 1, ((scan_in & 0x08) >> 3));\r
+ } \r
+\r
+ bit_count++;\r
+ }\r
+\r
+ if (!((ir_scan && (end_state == TAP_SI)) ||\r
+ (!ir_scan && (end_state == TAP_SD))))\r
+ {\r
+ gw16012_data(0x0);\r
+ if (ir_scan)\r
+ cur_state = TAP_PI;\r
+ else\r
+ cur_state = TAP_PD;\r
+ \r
+ if (cur_state != end_state)\r
+ gw16012_state_move();\r
+ }\r
+}\r
+\r
+int gw16012_execute_queue(void)\r
+{\r
+ jtag_command_t *cmd = jtag_command_queue; /* currently processed command */\r
+ int scan_size;\r
+ enum scan_type type;\r
+ u8 *buffer;\r
+ int retval;\r
+ \r
+ /* return ERROR_OK, unless a jtag_read_buffer returns a failed check\r
+ * that wasn't handled by a caller-provided error handler\r
+ */ \r
+ retval = ERROR_OK;\r
+ \r
+ while (cmd)\r
+ {\r
+ switch (cmd->type)\r
+ {\r
+ case JTAG_END_STATE:\r
+#ifdef _DEBUG_JTAG_IO_\r
+ DEBUG("end_state: %i", cmd->cmd.end_state->end_state);\r
+#endif\r
+ if (cmd->cmd.end_state->end_state != -1)\r
+ gw16012_end_state(cmd->cmd.end_state->end_state);\r
+ break;\r
+ case JTAG_RESET:\r
+#ifdef _DEBUG_JTAG_IO_\r
+ DEBUG("reset trst: %i srst %i", cmd->cmd.reset->trst, cmd->cmd.reset->srst);\r
+#endif\r
+ if (cmd->cmd.reset->trst == 1)\r
+ {\r
+ cur_state = TAP_TLR;\r
+ }\r
+ gw16012_reset(cmd->cmd.reset->trst, cmd->cmd.reset->srst);\r
+ break;\r
+ case JTAG_RUNTEST:\r
+#ifdef _DEBUG_JTAG_IO_\r
+ DEBUG("runtest %i cycles, end in %i", cmd->cmd.runtest->num_cycles, cmd->cmd.runtest->end_state);\r
+#endif\r
+ if (cmd->cmd.runtest->end_state != -1)\r
+ gw16012_end_state(cmd->cmd.runtest->end_state);\r
+ gw16012_runtest(cmd->cmd.runtest->num_cycles);\r
+ break;\r
+ case JTAG_STATEMOVE:\r
+#ifdef _DEBUG_JTAG_IO_\r
+ DEBUG("statemove end in %i", cmd->cmd.statemove->end_state);\r
+#endif\r
+ if (cmd->cmd.statemove->end_state != -1)\r
+ gw16012_end_state(cmd->cmd.statemove->end_state);\r
+ gw16012_state_move();\r
+ break;\r
+ case JTAG_PATHMOVE:\r
+#ifdef _DEBUG_JTAG_IO_\r
+ DEBUG("pathmove: %i states, end in %i", cmd->cmd.pathmove->num_states, cmd->cmd.pathmove->path[cmd->cmd.pathmove->num_states - 1]);\r
+#endif\r
+ gw16012_path_move(cmd->cmd.pathmove);\r
+ break;\r
+ case JTAG_SCAN:\r
+ if (cmd->cmd.scan->end_state != -1)\r
+ gw16012_end_state(cmd->cmd.scan->end_state);\r
+ scan_size = jtag_build_buffer(cmd->cmd.scan, &buffer);\r
+ type = jtag_scan_type(cmd->cmd.scan);\r
+#ifdef _DEBUG_JTAG_IO_\r
+ DEBUG("%s scan (%i) %i bit end in %i", (cmd->cmd.scan->ir_scan) ? "ir" : "dr", \r
+ type, scan_size, cmd->cmd.scan->end_state);\r
+#endif\r
+ gw16012_scan(cmd->cmd.scan->ir_scan, type, buffer, scan_size);\r
+ if (jtag_read_buffer(buffer, cmd->cmd.scan) != ERROR_OK)\r
+ retval = ERROR_JTAG_QUEUE_FAILED;\r
+ if (buffer)\r
+ free(buffer);\r
+ break;\r
+ case JTAG_SLEEP:\r
+#ifdef _DEBUG_JTAG_IO_\r
+ DEBUG("sleep %i", cmd->cmd.sleep->us);\r
+#endif\r
+ jtag_sleep(cmd->cmd.sleep->us);\r
+ break;\r
+ default:\r
+ ERROR("BUG: unknown JTAG command type encountered");\r
+ exit(-1);\r
+ }\r
+ cmd = cmd->next;\r
+ }\r
+ \r
+ return retval;\r
+}\r
+\r
+#if PARPORT_USE_GIVEIO == 1\r
+int gw16012_get_giveio_access()\r
+{\r
+ HANDLE h;\r
+ OSVERSIONINFO version;\r
+\r
+ version.dwOSVersionInfoSize = sizeof version;\r
+ if (!GetVersionEx( &version )) {\r
+ errno = EINVAL;\r
+ return -1;\r
+ }\r
+ if (version.dwPlatformId != VER_PLATFORM_WIN32_NT)\r
+ return 0;\r
+\r
+ h = CreateFile( "\\\\.\\giveio", GENERIC_READ, 0, NULL, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, NULL );\r
+ if (h == INVALID_HANDLE_VALUE) {\r
+ errno = ENODEV;\r
+ return -1;\r
+ }\r
+\r
+ CloseHandle( h );\r
+\r
+ return 0;\r
+}\r
+#endif\r
+\r
+int gw16012_init(void)\r
+{\r
+#if PARPORT_USE_PPDEV == 1\r
+ char buffer[256];\r
+ int i = 0;\r
+#endif\r
+ u8 status_port;\r
+ \r
+#if PARPORT_USE_PPDEV == 1\r
+ if (device_handle>0)\r
+ {\r
+ ERROR("device is already opened");\r
+ return ERROR_JTAG_INIT_FAILED;\r
+ }\r
+\r
+#if defined(__FreeBSD__) || defined(__FreeBSD_kernel__)\r
+ DEBUG("opening /dev/ppi%d...", gw16012_port);\r
+\r
+ snprintf(buffer, 256, "/dev/ppi%d", gw16012_port);\r
+ device_handle = open(buffer, O_WRONLY);\r
+#else\r
+ DEBUG("opening /dev/parport%d...", gw16012_port);\r
+\r
+ snprintf(buffer, 256, "/dev/parport%d", gw16012_port);\r
+ device_handle = open(buffer, O_WRONLY);\r
+#endif \r
+ if (device_handle<0)\r
+ {\r
+ ERROR("cannot open device. check it exists and that user read and write rights are set");\r
+ return ERROR_JTAG_INIT_FAILED;\r
+ }\r
+\r
+ DEBUG("...open");\r
+\r
+#if defined(__FreeBSD__) || defined(__FreeBSD_kernel__)\r
+ i=ioctl(device_handle, PPCLAIM);\r
+ if (i<0)\r
+ {\r
+ ERROR("cannot claim device");\r
+ return ERROR_JTAG_INIT_FAILED;\r
+ }\r
+\r
+ i = PARPORT_MODE_COMPAT;\r
+ i= ioctl(device_handle, PPSETMODE, & i);\r
+ if (i<0)\r
+ {\r
+ ERROR(" cannot set compatible mode to device");\r
+ return ERROR_JTAG_INIT_FAILED;\r
+ }\r
+\r
+ i = IEEE1284_MODE_COMPAT;\r
+ i = ioctl(device_handle, PPNEGOT, & i);\r
+ if (i<0)\r
+ {\r
+ ERROR("cannot set compatible 1284 mode to device");\r
+ return ERROR_JTAG_INIT_FAILED;\r
+ }\r
+#endif\r
+#else\r
+ if (gw16012_port == 0)\r
+ {\r
+ gw16012_port = 0x378;\r
+ WARNING("No gw16012 port specified, using default '0x378' (LPT1)");\r
+ }\r
+ \r
+ DEBUG("requesting privileges for parallel port 0x%lx...", gw16012_port);\r
+#if PARPORT_USE_GIVEIO == 1\r
+ if (gw16012_get_giveio_access() != 0)\r
+#else /* PARPORT_USE_GIVEIO */\r
+ if (ioperm(gw16012_port, 3, 1) != 0)\r
+#endif /* PARPORT_USE_GIVEIO */\r
+ {\r
+ ERROR("missing privileges for direct i/o");\r
+ return ERROR_JTAG_INIT_FAILED;\r
+ }\r
+ DEBUG("...privileges granted");\r
+\r
+ /* make sure parallel port is in right mode (clear tristate and interrupt */\r
+#if defined(__FreeBSD__) || defined(__FreeBSD_kernel__)\r
+ outb(gw16012_port + 2, 0x0);\r
+#else\r
+ outb(0x0, gw16012_port + 2);\r
+#endif\r
+#endif /* PARPORT_USE_PPDEV */\r
+ \r
+ gw16012_input(&status_port);\r
+ gw16012_msb = (status_port & 0x80) ^ 0x80;\r
+ \r
+ gw16012_speed(jtag_speed);\r
+ gw16012_reset(0, 0);\r
+ \r
+ return ERROR_OK;\r
+}\r
+\r
+int gw16012_quit(void)\r
+{\r
+ \r
+ return ERROR_OK;\r
+}\r
+\r
+int gw16012_handle_parport_port_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)\r
+{\r
+ if (argc == 0)\r
+ return ERROR_OK;\r
+\r
+ /* only if the port wasn't overwritten by cmdline */\r
+ if (gw16012_port == 0)\r
+ gw16012_port = strtoul(args[0], NULL, 0);\r
+\r
+ return ERROR_OK;\r
+}\r
Code Review / openocd.git / blobdiff