diff options
| -rw-r--r-- | configure.in | 13 | ||||
| -rw-r--r-- | src/jtag/Makefile.am | 8 | ||||
| -rw-r--r-- | src/jtag/dummy.c | 105 | ||||
| -rw-r--r-- | src/jtag/jtag.c | 9 |
4 files changed, 133 insertions, 2 deletions
diff --git a/configure.in b/configure.in index ba70f997..ae35f555 100644 --- a/configure.in +++ b/configure.in @@ -30,6 +30,10 @@ AC_ARG_ENABLE(parport, AS_HELP_STRING([--enable-parport], [Enable building the pc parallel port driver]), [build_parport=$enableval], [build_parport=no]) +AC_ARG_ENABLE(dummy, + AS_HELP_STRING([--enable-dummy], [Enable building the dummy port driver]), + [build_dummy=$enableval], [build_dummy=no]) + case "${host_cpu}" in i?86|x86*) AC_ARG_ENABLE(parport_ppdev, @@ -144,6 +148,14 @@ else AC_DEFINE(BUILD_PARPORT, 0, [0 if you don't want parport.]) fi +if test $build_dummy = yes; then + build_bitbang=yes + AC_DEFINE(BUILD_DUMMY, 1, [1 if you want dummy driver.]) +else + AC_DEFINE(BUILD_DUMMY, 0, [0 if you don't want dummy driver.]) +fi + + if test $build_ep93xx = yes; then build_bitbang=yes AC_DEFINE(BUILD_EP93XX, 1, [1 if you want ep93xx.]) @@ -243,6 +255,7 @@ AM_CONFIG_HEADER(config.h) AM_INIT_AUTOMAKE(openocd, 1.0) AM_CONDITIONAL(PARPORT, test $build_parport = yes) +AM_CONDITIONAL(DUMMY, test $build_dummy = yes) AM_CONDITIONAL(GIVEIO, test $parport_use_giveio = yes) AM_CONDITIONAL(EP93XX, test $build_ep93xx = yes) AM_CONDITIONAL(ECOSBOARD, test $build_ecosboard = yes) diff --git a/src/jtag/Makefile.am b/src/jtag/Makefile.am index 04c06e2f..d37a9181 100644 --- a/src/jtag/Makefile.am +++ b/src/jtag/Makefile.am @@ -25,6 +25,12 @@ else PARPORTFILES = endif +if DUMMY +DUMMYFILES = dummy.c +else +DUMMYFILES = +endif + if FT2232_LIBFTDI FT2232FILES = ft2232.c else @@ -87,7 +93,7 @@ else USBPROGFILES = endif -libjtag_a_SOURCES = jtag.c $(BITBANGFILES) $(PARPORTFILES) $(FT2232FILES) $(AMTJTAGACCELFILES) $(EP93XXFILES) \ +libjtag_a_SOURCES = jtag.c $(BITBANGFILES) $(PARPORTFILES) $(DUMMYFILES) $(FT2232FILES) $(AMTJTAGACCELFILES) $(EP93XXFILES) \ $(AT91RM9200FILES) $(GW16012FILES) $(BITQFILES) $(PRESTOFILES) $(USBPROGFILES) $(ECOSBOARDFILES) noinst_HEADERS = bitbang.h jtag.h diff --git a/src/jtag/dummy.c b/src/jtag/dummy.c new file mode 100644 index 00000000..90c60db8 --- /dev/null +++ b/src/jtag/dummy.c @@ -0,0 +1,105 @@ +/***************************************************************************
+ * Copyright (C) 2008 by Øyvind Harboe *
+ * oyvind.harboe@zylin.com *
+ * *
+ * 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"
+#include "bitbang.h"
+
+
+int dummy_speed(int speed);
+int dummy_register_commands(struct command_context_s *cmd_ctx);
+int dummy_init(void);
+int dummy_quit(void);
+
+/* The dummy driver is used to easily check the code path
+ * where the target is unresponsive.
+ */
+jtag_interface_t dummy_interface =
+{
+ .name = "dummy",
+
+ .execute_queue = bitbang_execute_queue,
+
+ .speed = dummy_speed,
+ .register_commands = dummy_register_commands,
+ .init = dummy_init,
+ .quit = dummy_quit,
+};
+
+int dummy_read(void);
+void dummy_write(int tck, int tms, int tdi);
+void dummy_reset(int trst, int srst);
+void dummy_led(int on);
+
+bitbang_interface_t dummy_bitbang =
+{
+ .read = dummy_read,
+ .write = dummy_write,
+ .reset = dummy_reset,
+ .blink = dummy_led
+};
+
+int dummy_read(void)
+{
+ return 1;
+}
+
+
+void dummy_write(int tck, int tms, int tdi)
+{
+}
+
+void dummy_reset(int trst, int srst)
+{
+}
+
+
+int dummy_speed(int speed)
+{
+ return ERROR_OK;
+}
+
+int dummy_register_commands(struct command_context_s *cmd_ctx)
+{
+ return ERROR_OK;
+}
+
+
+int dummy_init(void)
+{
+ bitbang_interface = &dummy_bitbang;
+
+ return ERROR_OK;
+}
+
+int dummy_quit(void)
+{
+ return ERROR_OK;
+}
+
+
+void dummy_led(int on)
+{
+}
+
diff --git a/src/jtag/jtag.c b/src/jtag/jtag.c index fe76a322..74f00900 100644 --- a/src/jtag/jtag.c +++ b/src/jtag/jtag.c @@ -156,7 +156,11 @@ static int hasKHz = 0; #if BUILD_PARPORT == 1 extern jtag_interface_t parport_interface; #endif - + +#if BUILD_DUMMY == 1 + extern jtag_interface_t dummy_interface; +#endif + #if BUILD_FT2232_FTD2XX == 1 extern jtag_interface_t ft2232_interface; #endif @@ -196,6 +200,9 @@ jtag_interface_t *jtag_interfaces[] = { #if BUILD_PARPORT == 1 &parport_interface, #endif +#if BUILD_DUMMY == 1 + &dummy_interface, +#endif #if BUILD_FT2232_FTD2XX == 1 &ft2232_interface, #endif |