diff --git a/tcl/target/xmos_xs1-xau8a-10_arm.cfg b/tcl/target/xmos_xs1-xau8a-10_arm.cfg
new file mode 100644
index 000000000..3fc197a3c
--- /dev/null
+++ b/tcl/target/xmos_xs1-xau8a-10_arm.cfg
@@ -0,0 +1,16 @@
+#
+# XMOS xCORE-XA XS1-XAU8A-10: ARM Cortex-M3 @ 48 MHz
+#
+# http://www.xmos.com/products/silicon/xcore-xa/xa-series
+#
+
+if { ![info exists CHIPNAME] } {
+	set CHIPNAME xcorexa
+}
+
+if { ![info exists WORKAREASIZE] } {
+	# XS1-XAU8A-10-FB265: 128 KB SRAM
+	set WORKAREASIZE 0x20000
+}
+
+source [find target/efm32.cfg]