diff --git a/jtag/src/Makefile.am b/jtag/src/Makefile.am
index c134070c..bad97b80 100644
--- a/jtag/src/Makefile.am
+++ b/jtag/src/Makefile.am
@@ -27,7 +27,7 @@ SUBDIRS = \
 
 bin_PROGRAMS = jtag
 
-jtag_SOURCES = jtag.c detect.c readmem.c detect.h pxa250.c pxa250.h
+jtag_SOURCES = jtag.c detect.c readmem.c detect.h pxa250.c pxa250.h sa1110.c sa1110.h
 
 jtag_DEPENDENCIES = tap/libtap.a part/libpart.a
 
diff --git a/jtag/src/pxa250.h b/jtag/src/pxa250.h
new file mode 100644
index 00000000..53d1348c
--- /dev/null
+++ b/jtag/src/pxa250.h
@@ -0,0 +1,35 @@
+/*
+ * $Id$
+ *
+ * Copyright (C) 2002 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>, 2002.
+ *
+ */
+
+#ifndef PXA250_H
+#define	PXA250_H
+
+#include <stdint.h>
+
+#include "part.h"
+
+uint32_t pxa250_bus_read( parts *ps, uint32_t adr );
+void pxa250_bus_write( parts *ps, uint32_t adr, uint32_t data );
+
+#endif /* PXA250_H */
diff --git a/jtag/src/sa1110.c b/jtag/src/sa1110.c
new file mode 100644
index 00000000..0a05b911
--- /dev/null
+++ b/jtag/src/sa1110.c
@@ -0,0 +1,130 @@
+/*
+ * $Id$
+ *
+ * Copyright (C) 2002 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>, 2002.
+ *
+ */
+
+#include <stdint.h>
+
+#include "part.h"
+
+#include "sa1110.h"
+
+/* SA1110 must be in position 0 */
+
+static void
+setup_address( part *p, uint32_t a )
+{
+	int i;
+	char buff[10];
+
+	for (i = 0; i < 26; i++) {
+		sprintf( buff, "A%d", i );
+		part_set_signal( p, buff, 1, (a >> i) & 1 );
+	}
+}
+
+static void
+set_data_in( part *p )
+{
+	int i;
+	char buff[10];
+
+	for (i = 0; i < 32; i++) {
+		sprintf( buff, "D%d", i );
+		part_set_signal( p, buff, 0, 0 );
+	}
+}
+
+static void
+setup_data( part *p, uint32_t d )
+{
+	int i;
+	char buff[10];
+
+	for (i = 0; i < 32; i++) {
+		sprintf( buff, "D%d", i );
+		part_set_signal( p, buff, 1, (d >> i) & 1 );
+	}
+}
+
+uint32_t
+sa1110_bus_read( parts *ps, uint32_t adr )
+{
+	/* see Figure 10-12 in SA doc */
+	part *p = ps->parts[0];
+
+	part_set_signal( p, "nCS0", 1, 0 );
+	part_set_signal( p, "nCS1", 1, 1 );
+	part_set_signal( p, "nCS2", 1, 1 );
+	part_set_signal( p, "nCS3", 1, 1 );
+	part_set_signal( p, "nCS4", 1, 1 );
+	part_set_signal( p, "nCS5", 1, 1 );
+	part_set_signal( p, "RD_nWR", 1, 1 );
+	part_set_signal( p, "nWE", 1, 1 ); /* TODO: this is probably not required */
+	part_set_signal( p, "nOE", 1, 0 );
+
+	setup_address( p, adr );
+	set_data_in( p );
+
+	parts_shift_data_registers( ps );
+	parts_shift_data_registers( ps );
+
+	{
+		int i;
+		char buff[10];
+		uint32_t d = 0;
+
+		for (i = 0; i < 32; i++) {
+			sprintf( buff, "D%d", i );
+			d |= (uint32_t) (part_get_signal( p, buff ) << i);
+		}
+
+		return d;
+	}
+}
+
+void
+sa1110_bus_write( parts *ps, uint32_t adr, uint32_t data )
+{
+	/* see Figure 10-16 in SA doc */
+	part *p = ps->parts[0];
+
+	part_set_signal( p, "nCS0", 1, 0 );
+	part_set_signal( p, "nCS1", 1, 1 );
+	part_set_signal( p, "nCS2", 1, 1 );
+	part_set_signal( p, "nCS3", 1, 1 );
+	part_set_signal( p, "nCS4", 1, 1 );
+	part_set_signal( p, "nCS5", 1, 1 );
+	part_set_signal( p, "RD_nWR", 1, 0 );
+	part_set_signal( p, "nWE", 1, 1 );
+	part_set_signal( p, "nOE", 1, 1 );
+
+	setup_address( p, adr );
+	setup_data( p, data );
+
+	parts_shift_data_registers( ps );
+
+	part_set_signal( p, "nWE", 1, 0 );
+	parts_shift_data_registers( ps );
+	part_set_signal( p, "nWE", 1, 1 );
+	parts_shift_data_registers( ps );
+}
diff --git a/jtag/src/sa1110.h b/jtag/src/sa1110.h
new file mode 100644
index 00000000..8430fb0e
--- /dev/null
+++ b/jtag/src/sa1110.h
@@ -0,0 +1,35 @@
+/*
+ * $Id$
+ *
+ * Copyright (C) 2002 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>, 2002.
+ *
+ */
+
+#ifndef SA1110_H
+#define	SA1110_H
+
+#include <stdint.h>
+
+#include "part.h"
+
+uint32_t sa1110_bus_read( parts *ps, uint32_t adr );
+void sa1110_bus_write( parts *ps, uint32_t adr, uint32_t data );
+
+#endif /* SA1110_H */