diff --git a/jtag/data/Makefile.am b/jtag/data/Makefile.am
index 9e641287..bee0ce03 100644
--- a/jtag/data/Makefile.am
+++ b/jtag/data/Makefile.am
@@ -99,6 +99,8 @@ nobase_dist_pkgdata_DATA = \
 	lattice/PARTS \
 	lattice/lc4032v-tqfp48/STEPPINGS \
 	lattice/lc4032v-tqfp48/lc4032v-tqfp48 \
+	lattice/lc4128c-tqfp100/STEPPINGS \
+	lattice/lc4128c-tqfp100/lc4128c-tqfp100 \
 	lattice/m4a3-256.192-fpbga256/STEPPINGS \
 	lattice/m4a3-256.192-fpbga256/m4a3-256.192-fpbga256 \
 	lattice/m4a3-64.32-tqfp48/STEPPINGS \
diff --git a/jtag/data/lattice/PARTS b/jtag/data/lattice/PARTS
index ad34d780..050a7d45 100644
--- a/jtag/data/lattice/PARTS
+++ b/jtag/data/lattice/PARTS
@@ -25,3 +25,4 @@
 0111010010000110  m4a3-64.32-tqfp48     M4A3-64/32-TQFP48
 0001100000000101  lc4032v-tqfp48        LC4032V-TQFP48
 0000011000001111  m4a3-256.192-fpbga256 M4A3-256/192-fpBGA256
+0001100000010000  lc4128c-tqfp100       LC4128C-TQFP100
diff --git a/jtag/data/lattice/lc4128c-tqfp100/STEPPINGS b/jtag/data/lattice/lc4128c-tqfp100/STEPPINGS
new file mode 100644
index 00000000..0909849f
--- /dev/null
+++ b/jtag/data/lattice/lc4128c-tqfp100/STEPPINGS
@@ -0,0 +1,25 @@
+#
+# $Id$
+#
+# Copyright (C) 2004 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 Ian Campbell <icampbell@arcom.com>, 2004
+#
+
+# bits 31-28 of the Device Identification Register
+0000	lc4128c-tqfp100	0
diff --git a/jtag/data/lattice/lc4128c-tqfp100/lc4128c-tqfp100 b/jtag/data/lattice/lc4128c-tqfp100/lc4128c-tqfp100
new file mode 100644
index 00000000..e91d4c3a
--- /dev/null
+++ b/jtag/data/lattice/lc4128c-tqfp100/lc4128c-tqfp100
@@ -0,0 +1,340 @@
+#
+# $Id$
+#
+# JTAG declarations for Lattice LC4128C (100-pin TQFP)
+# Copyright (C) 2004 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.
+#
+# Generated from lc4128ct100_isc.bsm using bsdl2jtag by
+# Ian Campbell <icampbell@arcom.com>, 2004.
+#
+# lc4128ct100_isc.bsm had the following copyright:
+#	Copyright 2000 - 2003 Lattice Semiconductor Corporation
+#	5555 NE Moore Ct., Hillsboro, OR 97124
+#	All rights reserved.  No part of this program or publication
+#	may be reproduced, transmitted, transcribed, stored in a
+#	retrieval system, or translated into any language or
+#	computer language, in any form or by any means without this
+#	notice appearing within.
+
+signal GND0	1
+signal GND1	2
+signal GND2	3
+signal GND3	4
+signal TDI	5
+signal IOB0	6
+signal IOB2	7
+signal IOB4	8
+signal IOB6	9
+signal GNDO00	10
+signal GNDO01	11
+signal GNDO02	12
+signal GNDO03	13
+signal IOB8	14
+signal IOB10	15
+signal IOB12	16
+signal IOB13	17
+signal I0	18
+signal I1	19
+signal I2	20
+signal I3	21
+signal I4	22
+signal I5	23
+signal VCCO00	24
+signal VCCO01	25
+signal VCCO02	26
+signal IOC14	27
+signal IOC12	28
+signal IOC10	29
+signal IOC8	30
+signal IOC6	31
+signal IOC5	32
+signal IOC4	33
+signal IOC2	34
+signal TCK	35
+signal VCC0	36
+signal VCC1	37
+signal VCC2	38
+signal VCC3	39
+signal IOD13	40
+signal IOD12	41
+signal IOD10	42
+signal IOD8	43
+signal IOD6	44
+signal IOD4	45
+signal IOD2	46
+signal IOD0	47
+signal CLK1	48
+signal CLK2	49
+signal IOE0	50
+signal IOE2	51
+signal IOE4	52
+signal IOE6	53
+signal VCCO10	54
+signal VCCO11	55
+signal VCCO12	56
+signal GNDO10	57
+signal GNDO11	58
+signal GNDO12	59
+signal GNDO13	60
+signal IOE8	61
+signal IOE10	62
+signal IOE12	63
+signal IOE14	64
+signal TMS	65
+signal IOF0	66
+signal IOF2	67
+signal IOF4	68
+signal IOF6	69
+signal IOF8	70
+signal IOF10	71
+signal IOF12	72
+signal IOF13	73
+signal IOG14	74
+signal IOG12	75
+signal IOG10	76
+signal IOG8	77
+signal IOG6	78
+signal IOG5	79
+signal IOG4	80
+signal IOG2	81
+signal TDO	82
+signal IOH13	83
+signal IOH12	84
+signal IOH10	85
+signal IOH8	86
+signal IOH6	87
+signal IOH4	88
+signal IOH2	89
+signal IOH0	90
+signal CLK3	91
+signal CLK0	92
+signal IOA0	93
+signal IOA2	94
+signal IOA4	95
+signal IOA6	96
+signal IOA8	97
+signal IOA10	98
+signal IOA12	99
+
+register	BSR	196
+register	BR	1
+register	DIR	32
+
+instruction length 8
+
+instruction BYPASS 11111111 BR
+instruction SAMPLE/PRELOAD 00011100 BSR
+instruction EXTEST 00000000 BSR
+instruction IDCODE 00010110 DIR
+
+bit 195 I 1 CLK0
+bit 194 O 1 IOA0 193 0 Z
+bit 193 C 0 *
+bit 192 O 0 *
+bit 191 O 0 *
+bit 190 O 1 IOA2 189 0 Z
+bit 189 C 0 *
+bit 188 O 1 IOA4 187 0 Z
+bit 187 C 0 *
+bit 186 O 0 *
+bit 185 O 0 *
+bit 184 O 1 IOA6 183 0 Z
+bit 183 C 0 *
+bit 182 O 1 IOA8 181 0 Z
+bit 181 C 0 *
+bit 180 O 0 *
+bit 179 O 0 *
+bit 178 O 1 IOA10 177 0 Z
+bit 177 C 0 *
+bit 176 O 1 IOA12 175 0 Z
+bit 175 C 0 *
+bit 174 O 0 *
+bit 173 O 0 *
+bit 172 O 1 IOA14 171 0 Z
+bit 171 C 0 *
+bit 170 O 1 IOB0 169 0 Z
+bit 169 C 0 *
+bit 168 O 0 *
+bit 167 O 0 *
+bit 166 O 1 IOB2 165 0 Z
+bit 165 C 0 *
+bit 164 O 1 IOB4 163 0 Z
+bit 163 C 0 *
+bit 162 O 0 *
+bit 161 O 0 *
+bit 160 O 1 IOB6 159 0 Z
+bit 159 C 0 *
+bit 158 O 1 IOB8 157 0 Z
+bit 157 C 0 *
+bit 156 O 0 *
+bit 155 O 0 *
+bit 154 O 1 IOB10 153 0 Z
+bit 153 C 0 *
+bit 152 O 1 IOB12 151 0 Z
+bit 151 C 0 *
+bit 150 O 1 IOB13 149 0 Z
+bit 149 C 0 *
+bit 148 O 1 I0 147 0 Z
+bit 147 C 0 *
+bit 146 O 1 IOD0 145 0 Z
+bit 145 C 0 *
+bit 144 O 0 *
+bit 143 O 0 *
+bit 142 O 1 IOD2 141 0 Z
+bit 141 C 0 *
+bit 140 O 1 IOD4 139 0 Z
+bit 139 C 0 *
+bit 138 O 0 *
+bit 137 O 0 *
+bit 136 O 1 IOD6 135 0 Z
+bit 135 C 0 *
+bit 134 O 1 IOD8 133 0 Z
+bit 133 C 0 *
+bit 132 O 0 *
+bit 131 O 0 *
+bit 130 O 1 IOD10 129 0 Z
+bit 129 C 0 *
+bit 128 O 1 IOD12 127 0 Z
+bit 127 C 0 *
+bit 126 O 1 IOD13 125 0 Z
+bit 125 C 0 *
+bit 124 O 1 I2 123 0 Z
+bit 123 C 0 *
+bit 122 O 1 I1 121 0 Z
+bit 121 C 0 *
+bit 120 O 0 *
+bit 119 O 0 *
+bit 118 O 1 IOC2 117 0 Z
+bit 117 C 0 *
+bit 116 O 1 IOC4 115 0 Z
+bit 115 C 0 *
+bit 114 O 1 IOC5 113 0 Z
+bit 113 C 0 *
+bit 112 O 1 IOC6 111 0 Z
+bit 111 C 0 *
+bit 110 O 1 IOC8 109 0 Z
+bit 109 C 0 *
+bit 108 O 0 *
+bit 107 O 0 *
+bit 106 O 1 IOC10 105 0 Z
+bit 105 C 0 *
+bit 104 O 1 IOC12 103 0 Z
+bit 103 C 0 *
+bit 102 O 0 *
+bit 101 O 0 *
+bit 100 O 1 IOC14 99 0 Z
+bit 99 C 0 *
+bit 98 I 1 CLK1
+bit 97 I 1 CLK2
+bit 96 O 1 IOE0 95 0 Z
+bit 95 C 0 *
+bit 94 O 0 *
+bit 93 O 0 *
+bit 92 O 1 IOE2 91 0 Z
+bit 91 C 0 *
+bit 90 O 1 IOE4 89 0 Z
+bit 89 C 0 *
+bit 88 O 0 *
+bit 87 O 0 *
+bit 86 O 1 IOE6 85 0 Z
+bit 85 C 0 *
+bit 84 O 1 IOE8 83 0 Z
+bit 83 C 0 *
+bit 82 O 0 *
+bit 81 O 0 *
+bit 80 O 1 IOE10 79 0 Z
+bit 79 C 0 *
+bit 78 O 1 IOE12 77 0 Z
+bit 77 C 0 *
+bit 76 O 0 *
+bit 75 O 0 *
+bit 74 O 1 IOE14 73 0 Z
+bit 73 C 0 *
+bit 72 O 1 IOF0 71 0 Z
+bit 71 C 0 *
+bit 70 O 0 *
+bit 69 O 0 *
+bit 68 O 1 IOF2 67 0 Z
+bit 67 C 0 *
+bit 66 O 1 IOF4 65 0 Z
+bit 65 C 0 *
+bit 64 O 0 *
+bit 63 O 0 *
+bit 62 O 1 IOF6 61 0 Z
+bit 61 C 0 *
+bit 60 O 1 IOF8 59 0 Z
+bit 59 C 0 *
+bit 58 O 0 *
+bit 57 O 0 *
+bit 56 O 1 IOF10 55 0 Z
+bit 55 C 0 *
+bit 54 O 1 IOF12 53 0 Z
+bit 53 C 0 *
+bit 52 O 1 IOF13 51 0 Z
+bit 51 C 0 *
+bit 50 O 1 I3 49 0 Z
+bit 49 C 0 *
+bit 48 O 1 IOH0 47 0 Z
+bit 47 C 0 *
+bit 46 O 0 *
+bit 45 O 0 *
+bit 44 O 1 IOH2 43 0 Z
+bit 43 C 0 *
+bit 42 O 1 IOH4 41 0 Z
+bit 41 C 0 *
+bit 40 O 0 *
+bit 39 O 0 *
+bit 38 O 1 IOH6 37 0 Z
+bit 37 C 0 *
+bit 36 O 1 IOH8 35 0 Z
+bit 35 C 0 *
+bit 34 O 0 *
+bit 33 O 0 *
+bit 32 O 1 IOH10 31 0 Z
+bit 31 C 0 *
+bit 30 O 1 IOH12 29 0 Z
+bit 29 C 0 *
+bit 28 O 1 IOH13 27 0 Z
+bit 27 C 0 *
+bit 26 O 1 I5 25 0 Z
+bit 25 C 0 *
+bit 24 O 1 I4 23 0 Z
+bit 23 C 0 *
+bit 22 O 0 *
+bit 21 O 0 *
+bit 20 O 1 IOG2 19 0 Z
+bit 19 C 0 *
+bit 18 O 1 IOG4 17 0 Z
+bit 17 C 0 *
+bit 16 O 1 IOG5 15 0 Z
+bit 15 C 0 *
+bit 14 O 1 IOG6 13 0 Z
+bit 13 C 0 *
+bit 12 O 1 IOG8 11 0 Z
+bit 11 C 0 *
+bit 10 O 0 *
+bit 9 O 0 *
+bit 8 O 1 IOG10 7 0 Z
+bit 7 C 0 *
+bit 6 O 1 IOG12 5 0 Z
+bit 5 C 0 *
+bit 4 O 0 *
+bit 3 O 0 *
+bit 2 O 1 IOG14 1 0 Z
+bit 1 C 0 *
+bit 0 I 1 CLK3