diff --git a/jtag/ChangeLog b/jtag/ChangeLog
index 812b2a4e..bb8cbaeb 100644
--- a/jtag/ChangeLog
+++ b/jtag/ChangeLog
@@ -1,3 +1,11 @@
+2003-07-25  Marcel Telka  <marcel@telka.sk>
+
+	* data/Makefile.am (nobase_dist_pkgdata_DATA): Added broadcom/bcm3310/STEPPINGS and
+		broadcom/bcm3310/bcm3310.
+	* data/broadcom/PARTS: Added BCM3310.
+	* data/broadcom/bcm3310/STEPPINGS: New file.
+	* data/broadcom/bcm3310/bcm3310: Ditto.
+
 2003-07-24  Marcel Telka  <marcel@telka.sk>
 
 	* po/POTFILES.in: Removed missing files.
diff --git a/jtag/NEWS b/jtag/NEWS
index d0656822..ec8599c3 100644
--- a/jtag/NEWS
+++ b/jtag/NEWS
@@ -12,6 +12,8 @@ See libbrux/NEWS for more news.
 		- removed explicit JTAG chain length detection (patch 753298, Matan Ziv-Av)
 		- simplified output messages
 		- removed support for report results to file
+	* Added initial JTAG declarations for Broadcom BCM3310 (see support request 770145 for
+		more info, thanks to Ramses VI).
 	* Fixed invalid memory allocation size (core dump) in jtag_parse_line() function.
 	* Minor bugs fixed.
 
diff --git a/jtag/README b/jtag/README
index 760f39d7..ed166d0f 100644
--- a/jtag/README
+++ b/jtag/README
@@ -46,6 +46,7 @@ JTAG adapters/cables (see 'help cable' command for more info):
 JTAG-aware parts (chips):
 - Atmel ATmega128 (partial support)
 - Broadcom BCM1250
+- Broadcom BCM3310 (partial support)
 - Broadcom BCM5421S
 - DEC SA1100
 - Hitachi SH7727
diff --git a/jtag/THANKS b/jtag/THANKS
index fae525f0..26a809cf 100644
--- a/jtag/THANKS
+++ b/jtag/THANKS
@@ -8,6 +8,7 @@ Jachym Holecek
 August Hörandl
 Stas Khirman
 Christian Pellegrin
+Ramses VI
 Holger Schurig
 Matan Ziv-Av
 Alessandro Zummo
diff --git a/jtag/data/Makefile.am b/jtag/data/Makefile.am
index d2f5b273..8253223d 100644
--- a/jtag/data/Makefile.am
+++ b/jtag/data/Makefile.am
@@ -31,6 +31,8 @@ nobase_dist_pkgdata_DATA = \
 	broadcom/PARTS \
 	broadcom/bcm1250/STEPPINGS \
 	broadcom/bcm1250/bcm1250 \
+	broadcom/bcm3310/STEPPINGS \
+	broadcom/bcm3310/bcm3310 \
 	broadcom/bcm5421s/STEPPINGS \
 	broadcom/bcm5421s/bcm5421s \
 	dec/PARTS \
diff --git a/jtag/data/broadcom/PARTS b/jtag/data/broadcom/PARTS
index bfb4a25e..80f6c56e 100644
--- a/jtag/data/broadcom/PARTS
+++ b/jtag/data/broadcom/PARTS
@@ -23,4 +23,5 @@
 
 # bits 27-12 of the Device Identification Register
 0001001001010000	bcm1250		BCM1250
+0011001100010000	bcm3310		BCM3310
 0101010000100001	bcm5421s	BCM5421S
diff --git a/jtag/data/broadcom/bcm3310/STEPPINGS b/jtag/data/broadcom/bcm3310/STEPPINGS
new file mode 100644
index 00000000..6c1bddbe
--- /dev/null
+++ b/jtag/data/broadcom/bcm3310/STEPPINGS
@@ -0,0 +1,25 @@
+#
+# $Id$
+#
+# Copyright (C) 2003 ETC s.r.o.
+#
+# 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.
+#
+# Written by Marcel Telka <marcel@telka.sk>, 2003.
+#
+
+# bits 31-28 of the Device Identification Register
+0000	bcm3310		0
diff --git a/jtag/data/broadcom/bcm3310/bcm3310 b/jtag/data/broadcom/bcm3310/bcm3310
new file mode 100644
index 00000000..ee33e5da
--- /dev/null
+++ b/jtag/data/broadcom/bcm3310/bcm3310
@@ -0,0 +1,37 @@
+#
+# $Id$
+#
+# JTAG declarations for Broadcom BCM3310
+# Copyright (C) 2003 ETC s.r.o.
+#
+# 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.
+#
+# Written by Marcel Telka <marcel@telka.sk>, 2003.
+#
+
+# mandatory data registers
+register	BSR	397
+register	BR	1
+# optional data registers
+register	DIR	32
+
+instruction length 5
+# mandatory instructions
+instruction EXTEST		00000	BSR	# TODO: EXTEST instruction value not verified
+instruction SAMPLE/PRELOAD	00010	BSR	# TODO: SAMPLE/PRELOAD instruction value not verified
+instruction BYPASS		11111	BR
+# optional instructions
+instruction IDCODE		00001	DIR	# TODO: IDCODE instruction value not verified