diff --git a/Makefile b/Makefile
index 241091f..dd50f09 100644
--- a/Makefile
+++ b/Makefile
@@ -13,7 +13,7 @@ SYSREGS_BASE	:= 0x1c010000
 GIC_DIST_BASE	:= 0x2c001000
 GIC_CPU_BASE	:= 0x2c002000
 CNTFRQ		:= 0x01800000	# 24Mhz
-
+LED		:= 0x0008
 #INITRD_FLAGS	:= -DUSE_INITRD
 CPPFLAGS	+= $(INITRD_FLAGS)
 
@@ -78,13 +78,13 @@ $(XIMAGE): boot.xen.o model.xen.lds fdt.dtb $(XEN) $(KERNEL) $(FILESYSTEM)
 	$(LD) -o $@ --script=model.xen.lds
 
 boot.o: $(BOOTLOADER) Makefile
-	$(CC) $(CPPFLAGS) -DCNTFRQ=$(CNTFRQ) -DUART_BASE=$(UART_BASE) -DSYSREGS_BASE=$(SYSREGS_BASE) -DGIC_DIST_BASE=$(GIC_DIST_BASE) -DGIC_CPU_BASE=$(GIC_CPU_BASE) -c -o $@ $(BOOTLOADER)
+	$(CC) $(CPPFLAGS) -DCNTFRQ=$(CNTFRQ) -DUART_BASE=$(UART_BASE) -DLED=$(LED) -DSYSREGS_BASE=$(SYSREGS_BASE) -DGIC_DIST_BASE=$(GIC_DIST_BASE) -DGIC_CPU_BASE=$(GIC_CPU_BASE) -c -o $@ $(BOOTLOADER)
 
 model.lds: $(LD_SCRIPT) Makefile
 	$(CC) $(CPPFLAGS) -DPHYS_OFFSET=$(PHYS_OFFSET) -DMBOX_OFFSET=$(MBOX_OFFSET) -DBOOT=boot.o -DKERNEL_OFFSET=$(KERNEL_OFFSET) -DFDT_OFFSET=$(FDT_OFFSET) -DFS_OFFSET=$(FS_OFFSET) -DKERNEL=$(KERNEL) -DFILESYSTEM=$(FILESYSTEM) -E -P -C -o $@ $<
 
 boot.xen.o: $(BOOTLOADER) Makefile
-	$(CC) $(CPPFLAGS) -DCNTFRQ=$(CNTFRQ) -DUART_BASE=$(UART_BASE) -DSYSREGS_BASE=$(SYSREGS_BASE) -DGIC_DIST_BASE=$(GIC_DIST_BASE) -DGIC_CPU_BASE=$(GIC_CPU_BASE) -c -o $@ $(BOOTLOADER) -DXEN
+	$(CC) $(CPPFLAGS) -DCNTFRQ=$(CNTFRQ) -DUART_BASE=$(UART_BASE) -DLED=$(LED) -DSYSREGS_BASE=$(SYSREGS_BASE) -DGIC_DIST_BASE=$(GIC_DIST_BASE) -DGIC_CPU_BASE=$(GIC_CPU_BASE) -c -o $@ $(BOOTLOADER) -DXEN
 
 model.xen.lds: $(LD_SCRIPT) Makefile
 	$(CC) $(CPPFLAGS) -DPHYS_OFFSET=$(PHYS_OFFSET) -DMBOX_OFFSET=$(MBOX_OFFSET) -DBOOT=boot.xen.o -DXEN_OFFSET=$(XEN_OFFSET) -DKERNEL_OFFSET=$(KERNEL_OFFSET) -DFDT_OFFSET=$(FDT_OFFSET) -DFS_OFFSET=$(FS_OFFSET) -DXEN=$(XEN) -DKERNEL=$(KERNEL) -DFILESYSTEM=$(FILESYSTEM) -E -P -C -o $@ $<
diff --git a/boot.S b/boot.S
index 3e2cecd..60b642c 100644
--- a/boot.S
+++ b/boot.S
@@ -107,6 +107,13 @@ start_ns:
 	str	wzr, [x4, #0xa0]		// V2M_SYS_CFGDATA
 	str	w5, [x4, #0xa4]			// V2M_SYS_CFGCTRL
 
+	ldr	x4, =LED
+	mov	w5, #0xFF
+	str	w5, [x4]
+
+	mov	x4, #0x00A4
+	mov	w5, #0xC0800000	
+	str	w5, [x4]
 	/*
 	 * Primary CPU
 	 */

Anyhow the more important is the DTS:

total 248784
drwxrwxr-x.  3 konrad konrad     4096 Aug 15 11:46 .
drwxrwxr-x. 11 konrad konrad     4096 Aug 15 11:40 ..
-rw-rw-r--.  1 konrad konrad 90957497 Apr 15 15:50 64
-rw-rw-r--.  1 konrad konrad 90571528 Apr 15 15:49 a
-rw-rw-r--.  1 konrad konrad     2388 Apr 15 22:54 boot.S
-rw-rw-r--.  1 konrad konrad     1544 Aug 15 11:46 boot.xen.o
lrwxrwxrwx.  1 konrad konrad       41 Apr 15 14:17 fdt.dtb -> ../arm-dts/fast_models/rtsm_ve-aemv8a.dtb
drwxrwxr-x.  8 konrad konrad     4096 Apr 15 14:17 .git
-rw-rw-r--.  1 konrad konrad       44 Apr 15 14:17 .gitignore
lrwxrwxrwx.  1 konrad konrad       10 Apr 15 14:24 Image -> ../vmlinuz
-rw-rw-r--.  1 konrad konrad     1508 Apr 15 14:17 LICENSE.txt
-rw-rw-r--.  1 konrad konrad     3701 Apr 15 22:53 Makefile
-rw-rw-r--.  1 konrad konrad      935 Apr 15 14:17 model.lds.S
-rw-rw-r--.  1 konrad konrad     2457 Aug 15 11:46 model.xen.lds
-rw-rw-r--.  1 konrad konrad      667 Apr 15 14:17 README
lrwxrwxrwx.  1 konrad konrad       41 Apr 15 15:26 rtsm_ve-aemv8a.dts -> ../arm-dts/fast_models/rtsm_ve-aemv8a.dts
-rw-rw-r--.  1 konrad konrad     6007 Apr 15 15:28 rtsm_ve-motherboard.dtsi
lrwxrwxrwx.  1 konrad konrad       14 Apr 22 15:19 Xen -> ../xen/xen/xen
-rwxrwxr-x.  1 konrad konrad   853552 Apr 15 15:40 xen64
-rwxrwxr-x.  1 konrad konrad   853552 Apr 15 23:12 Xen.ok
lrwxrwxrwx.  1 konrad konrad       24 Apr 15 21:55 Xen.old -> /home/konrad/xen/xen/xen
-rwxrwxr-x.  1 konrad konrad  6761469 Aug 15 11:46 xen-system.axf
-rw-rw-r--.  1 konrad konrad 64854103 Apr 15 15:46 z

aarch64 <konrad@localhost:~/ARM/arm-dts> git log --oneline | head -1
cbfbe3d versatile_express: Update to 3.19 state

With this change:

diff --git a/fast_models/rtsm_ve-aemv8a.dts b/fast_models/rtsm_ve-aemv8a.dts
index 50b544d..6c6240c 100644
--- a/fast_models/rtsm_ve-aemv8a.dts
+++ b/fast_models/rtsm_ve-aemv8a.dts
@@ -18,7 +18,17 @@
 	#address-cells = <2>;
 	#size-cells = <2>;
 
-	chosen { };
+	chosen {
+		#address-cells = <1>;
+		#size-cells = <1>;
+
+		xen,xen-bootargs = "dtuart=serial0 loglvl=all guesd_loglvl=all dom0_mem=512M,max:512";
+		module@1 {
+			compatible = "xen,linux-zimage", "xen,multiboot-module";
+			reg = <0x80080000 0x800000>;
+			bootargs = "";
+		};
+	};
 
 	aliases {
 		serial0 = &v2m_serial0;
